Shows which items are already in the queue, disables adding to the queue if already in the recheck queue

Co-authored-by: Ara Hayrabedian <ara.hayrabedian@gmail.com>

.github/workflows/containers.yml

@@ -2,16 +2,20 @@ name: Build and push containers
 
 on:
   # Automatically triggered by a testing workflow passing, but this is only checked when it lands in the `master`/default branch
-  workflow_run:
-    workflows: ["ChangeDetection.io Test"]
-    branches: [master]
-    tags: ['0.*']
-    types: [completed]
+#  workflow_run:
+#    workflows: ["ChangeDetection.io Test"]
+#    branches: [master]
+#    tags: ['0.*']
+#    types: [completed]
 
   # Or a new tagged release
   release:
     types: [published, edited]
 
+  push:
+    branches:
+      - master
+
 jobs:
   metadata:
     runs-on: ubuntu-latest
@@ -91,8 +95,7 @@ jobs:
           file: ./Dockerfile
           push: true
           tags: |
-            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:latest
-            ghcr.io/${{ github.repository }}:latest
+            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:latest,ghcr.io/${{ github.repository }}:latest
           platforms: linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
@@ -107,8 +110,7 @@ jobs:
           file: ./Dockerfile
           push: true
           tags: |
-            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:${{ github.event.release.tag_name }}
-            ghcr.io/dgtlmoon/changedetection.io:${{ github.event.release.tag_name }}
+            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:${{ github.event.release.tag_name }},ghcr.io/dgtlmoon/changedetection.io:${{ github.event.release.tag_name }}
           platforms: linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache

.gitignore

@@ -7,4 +7,6 @@ __pycache__
 .pytest_cache
 build
 dist
+venv
+*.egg-info*
 .vscode/settings.json

CONTRIBUTING.md

@@ -3,3 +3,13 @@ Contributing is always welcome!
 I am no professional flask developer, if you know a better way that something can be done, please let me know!
 
 Otherwise, it's always best to PR into the `dev` branch.
+
+Please be sure that all new functionality has a matching test!
+
+Use `pytest` to validate/test, you can run the existing tests as `pytest tests/test_notifications.py` for example
+
+```
+pip3 install -r requirements-dev
+```
+
+this is from https://github.com/dgtlmoon/changedetection.io/blob/master/requirements-dev.txt

MANIFEST.in

@@ -2,5 +2,5 @@ recursive-include changedetectionio/templates *
 recursive-include changedetectionio/static *
 include changedetection.py
 global-exclude *.pyc
-global-exclude *node_modules*
+global-exclude node_modules
 global-exclude venv

README.md

@@ -7,16 +7,24 @@
 
 _Know when web pages change! Stay ontop of new information!_ 
 
-Live your data-life *pro-actively* instead of *re-actively*, do not rely on manipulative social media for consuming important information.
+Live your data-life *pro-actively* instead of *re-actively*.
 
-Open source web page monitoring, notification and change detection.
+Free, Open-source web page monitoring, notification and change detection. Don't have time? [**Try our $6.99/month subscription - unlimited checks and watches!**](https://lemonade.changedetection.io/start)
 
 
-<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/screenshot.png" style="max-width:100%;" alt="Self-hosted web page change monitoring"  title="Self-hosted web page change monitoring"  />
+[<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/screenshot.png" style="max-width:100%;" alt="Self-hosted web page change monitoring"  title="Self-hosted web page change monitoring"  />](https://lemonade.changedetection.io/start)
 
-[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://dashboard.heroku.com/new?template=https%3A%2F%2Fgithub.com%2Fdgtlmoon%2Fchangedetection.io%2Ftree%2Fmaster)
 
-Read the [Heroku notes and limitations wiki page first](https://github.com/dgtlmoon/changedetection.io/wiki/Heroku-notes)
+**Get your own private instance now! Let us host it for you!**
+
+[**Try our $6.99/month subscription - unlimited checks and watches!**](https://lemonade.changedetection.io/start) , _half the price of other website change monitoring services and comes with unlimited watches & checks!_
+
+
+
+- Automatic Updates, Automatic Backups, No Heroku "paused application", don't miss a change!
+- Javascript browser included
+- Unlimited checks and watches!
+
 
 #### Example use cases
 
@@ -28,19 +36,16 @@ Read the [Heroku notes and limitations wiki page first](https://github.com/dgtlm
 - COVID related news from government websites
 - University/organisation news from their website
 - Detect and monitor changes in JSON API responses 
-- API monitoring and alerting
+- JSON API monitoring and alerting
 - Changes in legal and other documents
 - Trigger API calls via notifications when text appears on a website
 - Glue together APIs using the JSON filter and JSON notifications
 - Create RSS feeds based on changes in web content
+- Monitor HTML source code for unexpected changes, strengthen your PCI compliance
 - You have a very sensitive list of URLs to watch and you do _not_ want to use the paid alternatives. (Remember, _you_ are the product)
- 
+
 _Need an actual Chrome runner with Javascript support? We support fetching via WebDriver!</a>_
 
-**Get monitoring now! super simple.**
-
-<a href="https://dashboard.heroku.com/new?template=https%3A%2F%2Fgithub.com%2Fdgtlmoon%2Fchangedetection.io%2Ftree%2Fmaster">Deploy to Heroku for free</a>, Run this python directly, or with <a href="https://docs.docker.com/get-docker/">docker</a> and/or <a href="https://www.digitalocean.com/community/tutorial_collections/how-to-install-docker-compose">docker-compose</a>
-
 ## Screenshots
 
 Examining differences in content.
@@ -63,6 +68,10 @@ Docker standalone
 $ docker run -d --restart always -p "127.0.0.1:5000:5000" -v datastore-volume:/datastore --name changedetection.io dgtlmoon/changedetection.io
 ```
 
+### Windows
+
+See the install instructions at the wiki https://github.com/dgtlmoon/changedetection.io/wiki/Microsoft-Windows
+
 ### Python Pip
 
 Check out our pypi page https://pypi.org/project/changedetection.io/
@@ -91,10 +100,16 @@ docker run -d --restart always -p "127.0.0.1:5000:5000" -v datastore-volume:/dat
 ```bash
 docker-compose pull && docker-compose up -d
 ```
-### Filters
+
+See the wiki for more information https://github.com/dgtlmoon/changedetection.io/wiki
+
+
+## Filters
 XPath, JSONPath and CSS support comes baked in! You can be as specific as you need, use XPath exported from various XPath element query creation tools.
 
-### Notifications
+(We support LXML re:test, re:math and re:replace.)
+
+## Notifications
 
 ChangeDetection.io supports a massive amount of notifications (including email, office365, custom APIs, etc) when a web-page has a change detected thanks to the <a href="https://github.com/caronc/apprise">apprise</a> library.
 Simply set one or more notification URL's in the _[edit]_ tab of that watch.
@@ -118,7 +133,7 @@ Just some examples
 
 Now you can also customise your notification content!
 
-### JSON API Monitoring
+## JSON API Monitoring
 
 Detect changes and monitor data in JSON API's by using the built-in JSONPath selectors as a filter / selector.
 
@@ -128,7 +143,7 @@ This will re-parse the JSON and apply formatting to the text, making it super ea
 
 ![image](https://user-images.githubusercontent.com/275001/125165995-d9ea5580-e1dc-11eb-8030-f0deced2661a.png)
 
-#### Parse JSON embedded in HTML!
+### Parse JSON embedded in HTML!
 
 When you enable a `json:` filter, you can even automatically extract and parse embedded JSON inside a HTML page! Amazingly handy for sites that build content based on JSON, such as many e-commerce websites. 
 
@@ -142,19 +157,16 @@ When you enable a `json:` filter, you can even automatically extract and parse e
 
 `json:$.price` would give `23.50`, or you can extract the whole structure
 
-### Proxy configuration
+## Proxy configuration
 
 See the wiki https://github.com/dgtlmoon/changedetection.io/wiki/Proxy-configuration
 
-### Raspberry Pi support?
+## Raspberry Pi support?
 
-Raspberry Pi and linux/arm/v6 linux/arm/v7 arm64 devices are supported! 
+Raspberry Pi and linux/arm/v6 linux/arm/v7 arm64 devices are supported! See the wiki for [details](https://github.com/dgtlmoon/changedetection.io/wiki/Fetching-pages-with-WebDriver)
 
-### Windows native support?
 
-Sorry not yet :( https://github.com/dgtlmoon/changedetection.io/labels/windows
-
-### Support us
+## Support us
 
 Do you use changedetection.io to make money? does it save you time or money? Does it make your life easier? less stressful? Remember, we write this software when we should be doing actual paid work, we have to buy food and pay rent just like you.
 
@@ -164,8 +176,12 @@ BTC `1PLFN327GyUarpJd7nVe7Reqg9qHx5frNn`
 
 <img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/btc-support.png" style="max-width:50%;" alt="Support us!"  />
 
+## Commercial Support
 
-[release-shield]: https://img.shields.io/github/v/release/dgtlmoon/changedetection.io?style=for-the-badge
+I offer commercial support, this software is depended on by network security, aerospace , data-science and data-journalist professionals just to name a few, please reach out at dgtlmoon@gmail.com for any enquiries, I am more than glad to work with your organisation to further the possibilities of what can be done with changedetection.io
+
+
+[release-shield]: https://img.shields.io:/github/v/release/dgtlmoon/changedetection.io?style=for-the-badge
 [docker-pulls]: https://img.shields.io/docker/pulls/dgtlmoon/changedetection.io?style=for-the-badge
 [test-shield]: https://github.com/dgtlmoon/changedetection.io/actions/workflows/test-only.yml/badge.svg?branch=master
 

changedetection.py

@@ -1,106 +1,11 @@
 #!/usr/bin/python3
 
-# Launch as a eventlet.wsgi server instance.
-
-import getopt
-import os
-import sys
-
-import eventlet
-import eventlet.wsgi
-import changedetectionio
-
-from changedetectionio import store
-
-def main():
-    ssl_mode = False
-    port = os.environ.get('PORT') or 5000
-    do_cleanup = False
-
-    # Must be absolute so that send_from_directory doesnt try to make it relative to backend/
-    datastore_path = os.path.join(os.getcwd(), "datastore")
-
-    try:
-        opts, args = getopt.getopt(sys.argv[1:], "Ccsd:p:", "port")
-    except getopt.GetoptError:
-        print('backend.py -s SSL enable -p [port] -d [datastore path]')
-        sys.exit(2)
-
-    create_datastore_dir = False
-
-    for opt, arg in opts:
-        #        if opt == '--purge':
-        # Remove history, the actual files you need to delete manually.
-        #            for uuid, watch in datastore.data['watching'].items():
-        #                watch.update({'history': {}, 'last_checked': 0, 'last_changed': 0, 'previous_md5': None})
-
-        if opt == '-s':
-            ssl_mode = True
-
-        if opt == '-p':
-            port = int(arg)
-
-        if opt == '-d':
-            datastore_path = arg
-
-        # Cleanup (remove text files that arent in the index)
-        if opt == '-c':
-            do_cleanup = True
-
-        # Create the datadir if it doesnt exist
-        if opt == '-C':
-            create_datastore_dir = True
-
-    # isnt there some @thingy to attach to each route to tell it, that this route needs a datastore
-    app_config = {'datastore_path': datastore_path}
-
-    if not os.path.isdir(app_config['datastore_path']):
-        if create_datastore_dir:
-            os.mkdir(app_config['datastore_path'])
-        else:
-            print ("ERROR: Directory path for the datastore '{}' does not exist, cannot start, please make sure the directory exists.\n"
-                   "Alternatively, use the -d parameter.".format(app_config['datastore_path']),file=sys.stderr)
-            sys.exit(2)
-
-    datastore = store.ChangeDetectionStore(datastore_path=app_config['datastore_path'], version_tag=changedetectionio.__version__)
-    app = changedetectionio.changedetection_app(app_config, datastore)
-
-    # Go into cleanup mode
-    if do_cleanup:
-        datastore.remove_unused_snapshots()
-
-    app.config['datastore_path'] = datastore_path
-
-
-    @app.context_processor
-    def inject_version():
-        return dict(right_sticky="v{}".format(datastore.data['version_tag']),
-                    new_version_available=app.config['NEW_VERSION_AVAILABLE'],
-                    has_password=datastore.data['settings']['application']['password'] != False
-                    )
-
-    # Proxy sub-directory support
-    # Set environment var USE_X_SETTINGS=1 on this script
-    # And then in your proxy_pass settings
-    #
-    #         proxy_set_header Host "localhost";
-    #         proxy_set_header X-Forwarded-Prefix /app;
-
-    if os.getenv('USE_X_SETTINGS'):
-        print ("USE_X_SETTINGS is ENABLED\n")
-        from werkzeug.middleware.proxy_fix import ProxyFix
-        app.wsgi_app = ProxyFix(app.wsgi_app, x_prefix=1, x_host=1)
-
-    if ssl_mode:
-        # @todo finalise SSL config, but this should get you in the right direction if you need it.
-        eventlet.wsgi.server(eventlet.wrap_ssl(eventlet.listen(('', port)),
-                                               certfile='cert.pem',
-                                               keyfile='privkey.pem',
-                                               server_side=True), app)
-
-    else:
-        eventlet.wsgi.server(eventlet.listen(('', int(port))), app)
+# Entry-point for running from the CLI when not installed via Pip, Pip will handle the console_scripts entry_points's from setup.py
+# It's recommended to use `pip3 install changedetection.io` and start with `changedetection.py` instead, it will be linkd to your global path.
+# or Docker.
+# Read more https://github.com/dgtlmoon/changedetection.io/wiki
 
+from changedetectionio import changedetection
 
 if __name__ == '__main__':
-    main()
+    changedetection.main()

changedetectionio/.gitignore

@@ -0,0 +1 @@
+test-datastore

changedetectionio/__init__.py

@@ -11,26 +11,35 @@
 # proxy per check
 #  - flask_cors, itsdangerous,MarkupSafe
 
-import time
+import datetime
 import os
-import timeago
-import flask_login
-from flask_login import login_required
-
+import queue
 import threading
+import time
+from copy import deepcopy
 from threading import Event
 
-import queue
-
-from flask import Flask, render_template, request, send_from_directory, abort, redirect, url_for, flash
-
-from feedgen.feed import FeedGenerator
-from flask import make_response
-import datetime
+import flask_login
 import pytz
-from copy import deepcopy
+import timeago
+from feedgen.feed import FeedGenerator
+from flask import (
+    Flask,
+    abort,
+    flash,
+    make_response,
+    redirect,
+    render_template,
+    request,
+    send_from_directory,
+    url_for,
+)
+from flask_login import login_required
+from flask_wtf import CSRFProtect
 
-__version__ = '0.39.7'
+from changedetectionio import html_tools
+
+__version__ = '0.39.12'
 
 datastore = None
 
@@ -44,11 +53,10 @@ update_q = queue.Queue()
 
 notification_q = queue.Queue()
 
-# Needs to be set this way because we also build and publish via pip
-base_path = os.path.dirname(os.path.realpath(__file__))
 app = Flask(__name__,
-            static_url_path="{}/static".format(base_path),
-            template_folder="{}/templates".format(base_path))
+            static_url_path="",
+            static_folder="static",
+            template_folder="templates")
 
 # Stop browser caching of assets
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
@@ -64,6 +72,10 @@ app.config['LOGIN_DISABLED'] = False
 # Disables caching of the templates
 app.config['TEMPLATES_AUTO_RELOAD'] = True
 
+csrf = CSRFProtect()
+csrf.init_app(app)
+
+notification_debug_log=[]
 
 def init_app_secret(datastore_path):
     secret = ""
@@ -82,16 +94,6 @@ def init_app_secret(datastore_path):
 
     return secret
 
-# Remember python is by reference
-# populate_form in wtfors didnt work for me. (try using a setattr() obj type on datastore.watch?)
-def populate_form_from_watch(form, watch):
-    for i in form.__dict__.keys():
-        if i[0] != '_':
-            p = getattr(form, i)
-            if hasattr(p, 'data') and i in watch:
-                setattr(p, "data", watch[i])
-
-
 # We use the whole watch object from the store/JSON so we can see if there's some related status in terms of a thread
 # running or something similar.
 @app.template_filter('format_last_checked_time')
@@ -119,7 +121,7 @@ def _jinja2_filter_datetimestamp(timestamp, format="%Y-%m-%d %H:%M:%S"):
     # return timeago.format(timestamp, time.time())
     # return datetime.datetime.utcfromtimestamp(timestamp).strftime(format)
 
-
+# When nobody is logged in Flask-Login's current_user is set to an AnonymousUser object.
 class User(flask_login.UserMixin):
     id=None
 
@@ -128,7 +130,6 @@ class User(flask_login.UserMixin):
     def get_user(self, email="defaultuser@changedetection.io"):
         return self
     def is_authenticated(self):
-
         return True
     def is_active(self):
         return True
@@ -137,13 +138,21 @@ class User(flask_login.UserMixin):
     def get_id(self):
         return str(self.id)
 
+    # Compare given password against JSON store or Env var
     def check_password(self, password):
 
-        import hashlib
         import base64
+        import hashlib
+
+        # Can be stored in env (for deployments) or in the general configs
+        raw_salt_pass = os.getenv("SALTED_PASS", False)
+
+        if not raw_salt_pass:
+            raw_salt_pass = datastore.data['settings']['application']['password']
+
+        raw_salt_pass = base64.b64decode(raw_salt_pass)
+
 
-        # Getting the values back out
-        raw_salt_pass = base64.b64decode(datastore.data['settings']['application']['password'])
         salt_from_storage = raw_salt_pass[:32]  # 32 is the length of the salt
 
         # Use the exact same setup you used to generate the key, but this time put in the password to check
@@ -194,11 +203,15 @@ def changedetection_app(config=None, datastore_o=None):
     @app.route('/login', methods=['GET', 'POST'])
     def login():
 
-        if not datastore.data['settings']['application']['password']:
+        if not datastore.data['settings']['application']['password'] and not os.getenv("SALTED_PASS", False):
             flash("Login not required, no password enabled.", "notice")
             return redirect(url_for('index'))
 
         if request.method == 'GET':
+            if flask_login.current_user.is_authenticated:
+                flash("Already logged in")
+                return redirect(url_for("index"))
+
             output = render_template("login.html")
             return output
 
@@ -209,10 +222,18 @@ def changedetection_app(config=None, datastore_o=None):
 
         if (user.check_password(password)):
             flask_login.login_user(user, remember=True)
-            next = request.args.get('next')
+
+            # For now there's nothing else interesting here other than the index/list page
+            # It's more reliable and safe to ignore the 'next' redirect
+            # When we used...
+            # next = request.args.get('next')
+            # return redirect(next or url_for('index'))
+            # We would sometimes get login loop errors on sites hosted in sub-paths
+
+            # note for the future:
             #            if not is_safe_url(next):
             #                return flask.abort(400)
-            return redirect(next or url_for('index'))
+            return redirect(url_for('index'))
 
         else:
             flash('Incorrect password', 'error')
@@ -221,8 +242,15 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.before_request
     def do_something_whenever_a_request_comes_in():
-        # Disable password  loginif there is not one set
-        app.config['LOGIN_DISABLED'] = datastore.data['settings']['application']['password'] == False
+
+        # Disable password login if there is not one set
+        # (No password in settings or env var)
+        app.config['LOGIN_DISABLED'] = datastore.data['settings']['application']['password'] == False and os.getenv("SALTED_PASS", False) == False
+
+        # Set the auth cookie path if we're running as X-settings/X-Forwarded-Prefix
+        if os.getenv('USE_X_SETTINGS') and 'X-Forwarded-Prefix' in request.headers:
+            app.config['REMEMBER_COOKIE_PATH'] = request.headers['X-Forwarded-Prefix']
+            app.config['SESSION_COOKIE_PATH'] = request.headers['X-Forwarded-Prefix']
 
         # For the RSS path, allow access via a token
         if request.path == '/rss' and request.args.get('token'):
@@ -234,7 +262,7 @@ def changedetection_app(config=None, datastore_o=None):
     @app.route("/rss", methods=['GET'])
     @login_required
     def rss():
-
+        from . import diff
         limit_tag = request.args.get('tag')
 
         # Sort by last_changed and add the uuid which is usually the key..
@@ -263,6 +291,19 @@ def changedetection_app(config=None, datastore_o=None):
         fg.link(href='https://changedetection.io')
 
         for watch in sorted_watches:
+
+            dates = list(watch['history'].keys())
+            # Re #521 - Don't bother processing this one if theres less than 2 snapshots, means we never had a change detected.
+            if len(dates) < 2:
+                continue
+
+            # Convert to int, sort and back to str again
+            # @todo replace datastore getter that does this automatically
+            dates = [int(i) for i in dates]
+            dates.sort(reverse=True)
+            dates = [str(i) for i in dates]
+            prev_fname = watch['history'][dates[1]]
+
             if not watch['viewed']:
                 # Re #239 - GUID needs to be individual for each event
                 # @todo In the future make this a configurable link back (see work on BASE_URL https://github.com/dgtlmoon/changedetection.io/pull/228)
@@ -278,12 +319,16 @@ def changedetection_app(config=None, datastore_o=None):
 
                 diff_link = {'href': "{}{}".format(base_url, url_for('diff_history_page', uuid=watch['uuid']))}
 
-                # @todo use title if it exists
                 fe.link(link=diff_link)
-                fe.title(title=watch['url'])
 
-                # @todo in the future <description><![CDATA[<html><body>Any code html is valid.</body></html>]]></description>
-                fe.description(description=watch['url'])
+                # @todo watch should be a getter - watch.get('title') (internally if URL else..)
+
+                watch_title = watch.get('title') if watch.get('title') else watch.get('url')
+                fe.title(title=watch_title)
+                latest_fname = watch['history'][dates[0]]
+
+                html_diff = diff.render_diff(prev_fname, latest_fname, include_equal=False, line_feed_sep="</br>")
+                fe.description(description="<![CDATA[<html><body><h4>{}</h4>{}</body></html>".format(watch_title, html_diff))
 
                 fe.guid(guid, permalink=False)
                 dt = datetime.datetime.fromtimestamp(int(watch['newest_history_key']))
@@ -297,6 +342,8 @@ def changedetection_app(config=None, datastore_o=None):
     @app.route("/", methods=['GET'])
     @login_required
     def index():
+        from changedetectionio import forms
+
         limit_tag = request.args.get('tag')
         pause_uuid = request.args.get('pause')
 
@@ -333,7 +380,6 @@ def changedetection_app(config=None, datastore_o=None):
 
         existing_tags = datastore.get_all_tags()
 
-        from changedetectionio import forms
         form = forms.quickWatchForm(request.form)
 
         output = render_template("watch-overview.html",
@@ -342,10 +388,46 @@ def changedetection_app(config=None, datastore_o=None):
                                  tags=existing_tags,
                                  active_tag=limit_tag,
                                  app_rss_token=datastore.data['settings']['application']['rss_access_token'],
-                                 has_unviewed=datastore.data['has_unviewed'])
+                                 has_unviewed=datastore.data['has_unviewed'],
+                                 # Don't link to hosting when we're on the hosting environment
+                                 hosted_sticky=os.getenv("SALTED_PASS", False) == False,
+                                 guid=datastore.data['app_guid'],
+                                 queued_uuids=update_q.queue)
 
         return output
 
+
+    # AJAX endpoint for sending a test
+    @app.route("/notification/send-test", methods=['POST'])
+    @login_required
+    def ajax_callback_send_notification_test():
+
+        import apprise
+        apobj = apprise.Apprise()
+
+        # validate URLS
+        if not len(request.form['notification_urls'].strip()):
+            return make_response({'error': 'No Notification URLs set'}, 400)
+
+        for server_url in request.form['notification_urls'].splitlines():
+            if len(server_url.strip()):
+                if not apobj.add(server_url):
+                    message = '{} is not a valid AppRise URL.'.format(server_url)
+                    return make_response({'error': message}, 400)
+
+        try:
+            n_object = {'watch_url': request.form['window_url'],
+                        'notification_urls': request.form['notification_urls'].splitlines(),
+                        'notification_title': request.form['notification_title'].strip(),
+                        'notification_body': request.form['notification_body'].strip(),
+                        'notification_format': request.form['notification_format'].strip()
+                        }
+            notification_q.put(n_object)
+        except Exception as e:
+            return make_response({'error': str(e)}, 400)
+
+        return 'OK'
+
     @app.route("/scrub", methods=['GET', 'POST'])
     @login_required
     def scrub_page():
@@ -400,6 +482,7 @@ def changedetection_app(config=None, datastore_o=None):
     def get_current_checksum_include_ignore_text(uuid):
 
         import hashlib
+
         from changedetectionio import fetch_site_status
 
         # Get the most recent one
@@ -415,7 +498,7 @@ def changedetection_app(config=None, datastore_o=None):
                 raw_content = file.read()
 
                 handler = fetch_site_status.perform_site_check(datastore=datastore)
-                stripped_content = handler.strip_ignore_text(raw_content,
+                stripped_content = html_tools.strip_ignore_text(raw_content,
                                                              datastore.data['watching'][uuid]['ignore_text'])
 
                 if datastore.data['settings']['application'].get('ignore_whitespace', False):
@@ -430,49 +513,46 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/edit/<string:uuid>", methods=['GET', 'POST'])
     @login_required
+    # https://stackoverflow.com/questions/42984453/wtforms-populate-form-with-data-if-data-exists
+    # https://wtforms.readthedocs.io/en/3.0.x/forms/#wtforms.form.Form.populate_obj ?
+
     def edit_page(uuid):
         from changedetectionio import forms
-        form = forms.watchForm(request.form)
+
 
         # More for testing, possible to return the first/only
+        if not datastore.data['watching'].keys():
+            flash("No watches to edit", "error")
+            return redirect(url_for('index'))
+
         if uuid == 'first':
             uuid = list(datastore.data['watching'].keys()).pop()
 
+        if not uuid in datastore.data['watching']:
+            flash("No watch with the UUID %s found." % (uuid), "error")
+            return redirect(url_for('index'))
+
+        form = forms.watchForm(formdata=request.form if request.method == 'POST' else None,
+                                        data=datastore.data['watching'][uuid]
+                                        )
 
         if request.method == 'GET':
-            if not uuid in datastore.data['watching']:
-                flash("No watch with the UUID %s found." % (uuid), "error")
-                return redirect(url_for('index'))
-
-            populate_form_from_watch(form, datastore.data['watching'][uuid])
-
+            # Set some defaults that refer to the main config when None, we do the same in POST,
+            # probably there should be a nice little handler for this.
             if datastore.data['watching'][uuid]['fetch_backend'] is None:
                 form.fetch_backend.data = datastore.data['settings']['application']['fetch_backend']
+            if datastore.data['watching'][uuid]['minutes_between_check'] is None:
+                form.minutes_between_check.data = datastore.data['settings']['requests']['minutes_between_check']
 
         if request.method == 'POST' and form.validate():
 
             # Re #110, if they submit the same as the default value, set it to None, so we continue to follow the default
             if form.minutes_between_check.data == datastore.data['settings']['requests']['minutes_between_check']:
                 form.minutes_between_check.data = None
-
             if form.fetch_backend.data == datastore.data['settings']['application']['fetch_backend']:
                 form.fetch_backend.data = None
 
-            update_obj = {'url': form.url.data.strip(),
-                          'minutes_between_check': form.minutes_between_check.data,
-                          'tag': form.tag.data.strip(),
-                          'title': form.title.data.strip(),
-                          'headers': form.headers.data,
-                          'body': form.body.data,
-                          'method': form.method.data,
-                          'fetch_backend': form.fetch_backend.data,
-                          'trigger_text': form.trigger_text.data,
-                          'notification_title': form.notification_title.data,
-                          'notification_body': form.notification_body.data,
-                          'notification_format': form.notification_format.data,
-                          'extract_title_as_title': form.extract_title_as_title.data
-
-                          }
+            extra_update_obj = {}
 
             # Notification URLs
             datastore.data['watching'][uuid]['notification_urls'] = form.notification_urls.data
@@ -484,17 +564,15 @@ def changedetection_app(config=None, datastore_o=None):
             # Reset the previous_md5 so we process a new snapshot including stripping ignore text.
             if form_ignore_text:
                 if len(datastore.data['watching'][uuid]['history']):
-                    update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
-
-
-            datastore.data['watching'][uuid]['css_filter'] = form.css_filter.data.strip()
+                    extra_update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
 
             # Reset the previous_md5 so we process a new snapshot including stripping ignore text.
             if form.css_filter.data.strip() != datastore.data['watching'][uuid]['css_filter']:
                 if len(datastore.data['watching'][uuid]['history']):
-                    update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
+                    extra_update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
 
-            datastore.data['watching'][uuid].update(update_obj)
+            datastore.data['watching'][uuid].update(form.data)
+            datastore.data['watching'][uuid].update(extra_update_obj)
 
             flash("Updated watch.")
 
@@ -505,41 +583,28 @@ def changedetection_app(config=None, datastore_o=None):
             # Queue the watch for immediate recheck
             update_q.put(uuid)
 
-            if form.trigger_check.data:
-                if len(form.notification_urls.data):
-                    n_object = {'watch_url': form.url.data.strip(),
-                                'notification_urls': form.notification_urls.data,
-                                'notification_title': form.notification_title.data,
-                                'notification_body': form.notification_body.data,
-                                'notification_format': form.notification_format.data,
-                                }
-                    notification_q.put(n_object)
-                    flash('Test notification queued.')
-                else:
-                    flash('No notification URLs set, cannot send test.', 'error')
-
             # Diff page [edit] link should go back to diff page
-            if request.args.get("next") and request.args.get("next") == 'diff':
+            if request.args.get("next") and request.args.get("next") == 'diff' and not form.save_and_preview_button.data:
                 return redirect(url_for('diff_history_page', uuid=uuid))
             else:
-                return redirect(url_for('index'))
+                if form.save_and_preview_button.data:
+                    flash('You may need to reload this page to see the new content.')
+                    return redirect(url_for('preview_page', uuid=uuid))
+                else:
+                    return redirect(url_for('index'))
 
         else:
             if request.method == 'POST' and not form.validate():
                 flash("An error occurred, please see below.", "error")
 
-            # Re #110 offer the default minutes
-            using_default_minutes = False
-            if form.minutes_between_check.data == None:
-                form.minutes_between_check.data = datastore.data['settings']['requests']['minutes_between_check']
-                using_default_minutes = True
-
+            has_empty_checktime = datastore.data['watching'][uuid].has_empty_checktime
             output = render_template("edit.html",
                                      uuid=uuid,
                                      watch=datastore.data['watching'][uuid],
                                      form=form,
-                                     using_default_minutes=using_default_minutes,
-                                     current_base_url = datastore.data['settings']['application']['base_url']
+                                     has_empty_checktime=has_empty_checktime,
+                                     current_base_url=datastore.data['settings']['application']['base_url'],
+                                     emailprefix=os.getenv('NOTIFICATION_MAIL_BUTTON_PREFIX', False)
                                      )
 
         return output
@@ -547,72 +612,45 @@ def changedetection_app(config=None, datastore_o=None):
     @app.route("/settings", methods=['GET', "POST"])
     @login_required
     def settings_page():
+        from changedetectionio import content_fetcher, forms
 
-        from changedetectionio import forms
-        from changedetectionio import content_fetcher
+        # Don't use form.data on POST so that it doesnt overrid the checkbox status from the POST status
+        form = forms.globalSettingsForm(formdata=request.form if request.method == 'POST' else None,
+                                        data=datastore.data['settings']
+                                        )
 
-        form = forms.globalSettingsForm(request.form)
+        if request.method == 'POST':
+            # Password unset is a GET, but we can lock the session to a salted env password to always need the password
+            if form.application.form.data.get('removepassword_button', False):
+                # SALTED_PASS means the password is "locked" to what we set in the Env var
+                if not os.getenv("SALTED_PASS", False):
+                    datastore.remove_password()
+                    flash("Password protection removed.", 'notice')
+                    flask_login.logout_user()
+                    return redirect(url_for('settings_page'))
 
-        if request.method == 'GET':
-            form.minutes_between_check.data = int(datastore.data['settings']['requests']['minutes_between_check'])
-            form.notification_urls.data = datastore.data['settings']['application']['notification_urls']
-            form.global_ignore_text.data = datastore.data['settings']['application']['global_ignore_text']
-            form.ignore_whitespace.data = datastore.data['settings']['application']['ignore_whitespace']
-            form.extract_title_as_title.data = datastore.data['settings']['application']['extract_title_as_title']
-            form.fetch_backend.data = datastore.data['settings']['application']['fetch_backend']
-            form.notification_title.data = datastore.data['settings']['application']['notification_title']
-            form.notification_body.data = datastore.data['settings']['application']['notification_body']
-            form.notification_format.data = datastore.data['settings']['application']['notification_format']
-            form.base_url.data = datastore.data['settings']['application']['base_url']
+            if form.validate():
+                datastore.data['settings']['application'].update(form.data['application'])
+                datastore.data['settings']['requests'].update(form.data['requests'])
+                datastore.needs_write = True
 
-            # Password unset is a GET
-            if request.values.get('removepassword') == 'yes':
-                from pathlib import Path
-                datastore.data['settings']['application']['password'] = False
-                flash("Password protection removed.", 'notice')
-                flask_login.logout_user()
-                return redirect(url_for('settings_page'))
+                if not os.getenv("SALTED_PASS", False) and len(form.application.form.password.encrypted_password):
+                    datastore.data['settings']['application']['password'] = form.application.form.password.encrypted_password
+                    datastore.needs_write = True
+                    flash("Password protection enabled.", 'notice')
+                    flask_login.logout_user()
+                    return redirect(url_for('index'))
 
-        if request.method == 'POST' and form.validate():
+                flash("Settings updated.")
 
-            datastore.data['settings']['application']['notification_urls'] = form.notification_urls.data
-            datastore.data['settings']['requests']['minutes_between_check'] = form.minutes_between_check.data
-            datastore.data['settings']['application']['extract_title_as_title'] = form.extract_title_as_title.data
-            datastore.data['settings']['application']['fetch_backend'] = form.fetch_backend.data
-            datastore.data['settings']['application']['notification_title'] = form.notification_title.data
-            datastore.data['settings']['application']['notification_body'] = form.notification_body.data
-            datastore.data['settings']['application']['notification_format'] = form.notification_format.data
-            datastore.data['settings']['application']['notification_urls'] = form.notification_urls.data
-            datastore.data['settings']['application']['base_url'] = form.base_url.data
-            datastore.data['settings']['application']['global_ignore_text'] =  form.global_ignore_text.data
-            datastore.data['settings']['application']['ignore_whitespace'] = form.ignore_whitespace.data
+            else:
+                flash("An error occurred, please see below.", "error")
 
-            if form.trigger_check.data:
-                if len(form.notification_urls.data):
-                    n_object = {'watch_url': "Test from changedetection.io!",
-                                'notification_urls': form.notification_urls.data,
-                                'notification_title': form.notification_title.data,
-                                'notification_body': form.notification_body.data,
-                                'notification_format': form.notification_format.data,
-                                }
-                    notification_q.put(n_object)
-                    flash('Test notification queued.')
-                else:
-                    flash('No notification URLs set, cannot send test.', 'error')
-
-            if form.password.encrypted_password:
-                datastore.data['settings']['application']['password'] = form.password.encrypted_password
-                flash("Password protection enabled.", 'notice')
-                flask_login.logout_user()
-                return redirect(url_for('index'))
-
-            datastore.needs_write = True
-            flash("Settings updated.")
-
-        if request.method == 'POST' and not form.validate():
-            flash("An error occurred, please see below.", "error")
-
-        output = render_template("settings.html", form=form, current_base_url = datastore.data['settings']['application']['base_url'])
+        output = render_template("settings.html",
+                                 form=form,
+                                 current_base_url = datastore.data['settings']['application']['base_url'],
+                                 hide_remove_pass=os.getenv("SALTED_PASS", False),
+                                 emailprefix=os.getenv('NOTIFICATION_MAIL_BUTTON_PREFIX', False))
 
         return output
 
@@ -625,12 +663,19 @@ def changedetection_app(config=None, datastore_o=None):
         good = 0
 
         if request.method == 'POST':
+            now=time.time()
             urls = request.values.get('urls').split("\n")
+
+            if (len(urls) > 5000):
+                flash("Importing 5,000 of the first URLs from your list, the rest can be imported again.")
+
             for url in urls:
                 url = url.strip()
+                url, *tags = url.split(" ")
                 # Flask wtform validators wont work with basic auth, use validators package
-                if len(url) and validators.url(url):
-                    new_uuid = datastore.add_watch(url=url.strip(), tag="")
+                # Up to 5000 per batch so we dont flood the server
+                if len(url) and validators.url(url.replace('source:', '')) and good < 5000:
+                    new_uuid = datastore.add_watch(url=url.strip(), tag=" ".join(tags), write_to_disk_now=False)
                     # Straight into the queue.
                     update_q.put(new_uuid)
                     good += 1
@@ -638,7 +683,8 @@ def changedetection_app(config=None, datastore_o=None):
                     if len(url):
                         remaining_urls.append(url)
 
-            flash("{} Imported, {} Skipped.".format(good, len(remaining_urls)))
+            flash("{} Imported in {:.2f}s, {} Skipped.".format(good, time.time()-now,len(remaining_urls)))
+            datastore.needs_write = True
 
             if len(remaining_urls) == 0:
                 # Looking good, redirect to index.
@@ -691,8 +737,12 @@ def changedetection_app(config=None, datastore_o=None):
         # Save the current newest history as the most recently viewed
         datastore.set_last_viewed(uuid, dates[0])
         newest_file = watch['history'][dates[0]]
-        with open(newest_file, 'r') as f:
-            newest_version_file_contents = f.read()
+
+        try:
+            with open(newest_file, 'r') as f:
+                newest_version_file_contents = f.read()
+        except Exception as e:
+            newest_version_file_contents = "Unable to read {}.\n".format(newest_file)
 
         previous_version = request.args.get('previous_version')
         try:
@@ -701,8 +751,14 @@ def changedetection_app(config=None, datastore_o=None):
             # Not present, use a default value, the second one in the sorted list.
             previous_file = watch['history'][dates[1]]
 
-        with open(previous_file, 'r') as f:
-            previous_version_file_contents = f.read()
+        try:
+            with open(previous_file, 'r') as f:
+                previous_version_file_contents = f.read()
+        except Exception as e:
+            previous_version_file_contents = "Unable to read {}.\n".format(previous_file)
+
+
+        screenshot_url = datastore.get_screenshot(uuid)
 
         output = render_template("diff.html", watch_a=watch,
                                  newest=newest_version_file_contents,
@@ -714,13 +770,17 @@ def changedetection_app(config=None, datastore_o=None):
                                  current_previous_version=str(previous_version),
                                  current_diff_url=watch['url'],
                                  extra_title=" - Diff - {}".format(watch['title'] if watch['title'] else watch['url']),
-                                 left_sticky= True )
+                                 left_sticky=True,
+                                 screenshot=screenshot_url)
 
         return output
 
     @app.route("/preview/<string:uuid>", methods=['GET'])
     @login_required
     def preview_page(uuid):
+        content = []
+        ignored_line_numbers = []
+        trigger_line_numbers = []
 
         # More for testing, possible to return the first/only
         if uuid == 'first':
@@ -734,15 +794,63 @@ def changedetection_app(config=None, datastore_o=None):
             flash("No history found for the specified link, bad link?", "error")
             return redirect(url_for('index'))
 
-        newest = list(watch['history'].keys())[-1]
-        with open(watch['history'][newest], 'r') as f:
-            content = f.readlines()
+        if len(watch['history']):
+            timestamps = sorted(watch['history'].keys(), key=lambda x: int(x))
+            filename = watch['history'][timestamps[-1]]
+            try:
+                with open(filename, 'r') as f:
+                    tmp = f.readlines()
 
+                    # Get what needs to be highlighted
+                    ignore_rules = watch.get('ignore_text', []) + datastore.data['settings']['application']['global_ignore_text']
+
+                    # .readlines will keep the \n, but we will parse it here again, in the future tidy this up
+                    ignored_line_numbers = html_tools.strip_ignore_text(content="".join(tmp),
+                                                                        wordlist=ignore_rules,
+                                                                        mode='line numbers'
+                                                                        )
+
+                    trigger_line_numbers = html_tools.strip_ignore_text(content="".join(tmp),
+                                                                        wordlist=watch['trigger_text'],
+                                                                        mode='line numbers'
+                                                                        )
+                    # Prepare the classes and lines used in the template
+                    i=0
+                    for l in tmp:
+                        classes=[]
+                        i+=1
+                        if i in ignored_line_numbers:
+                            classes.append('ignored')
+                        if i in trigger_line_numbers:
+                            classes.append('triggered')
+                        content.append({'line': l, 'classes': ' '.join(classes)})
+
+
+            except Exception as e:
+                content.append({'line': "File doesnt exist or unable to read file {}".format(filename), 'classes': ''})
+        else:
+            content.append({'line': "No history found", 'classes': ''})
+
+        screenshot_url = datastore.get_screenshot(uuid)
         output = render_template("preview.html",
                                  content=content,
                                  extra_stylesheets=extra_stylesheets,
+                                 ignored_line_numbers=ignored_line_numbers,
+                                 triggered_line_numbers=trigger_line_numbers,
                                  current_diff_url=watch['url'],
+                                 screenshot=screenshot_url,
+                                 watch=watch,
                                  uuid=uuid)
+        
+        return output
+
+    @app.route("/settings/notification-logs", methods=['GET'])
+    @login_required
+    def notification_logs():
+        global notification_debug_log
+        output = render_template("notification-log.html",
+                                 logs=notification_debug_log if len(notification_debug_log) else ["No errors or warnings detected"])
+
         return output
 
     @app.route("/api/<string:uuid>/snapshot/current", methods=['GET'])
@@ -813,23 +921,61 @@ def changedetection_app(config=None, datastore_o=None):
                                  compresslevel=8)
 
             # Create a list file with just the URLs, so it's easier to port somewhere else in the future
-            list_file = os.path.join(datastore_o.datastore_path, "url-list.txt")
-            with open(list_file, "w") as f:
-                for uuid in datastore.data['watching']:
-                    url = datastore.data['watching'][uuid]['url']
+            list_file = "url-list.txt"
+            with open(os.path.join(datastore_o.datastore_path, list_file), "w") as f:
+                for uuid in datastore.data["watching"]:
+                    url = datastore.data["watching"][uuid]["url"]
                     f.write("{}\r\n".format(url))
+            list_with_tags_file = "url-list-with-tags.txt"
+            with open(
+                os.path.join(datastore_o.datastore_path, list_with_tags_file), "w"
+            ) as f:
+                for uuid in datastore.data["watching"]:
+                    url = datastore.data["watching"][uuid]["url"]
+                    tag = datastore.data["watching"][uuid]["tag"]
+                    f.write("{} {}\r\n".format(url, tag))
 
             # Add it to the Zip
-            zipObj.write(list_file,
-                         arcname="url-list.txt",
-                         compress_type=zipfile.ZIP_DEFLATED,
-                         compresslevel=8)
+            zipObj.write(
+                os.path.join(datastore_o.datastore_path, list_file),
+                arcname=list_file,
+                compress_type=zipfile.ZIP_DEFLATED,
+                compresslevel=8,
+            )
+            zipObj.write(
+                os.path.join(datastore_o.datastore_path, list_with_tags_file),
+                arcname=list_with_tags_file,
+                compress_type=zipfile.ZIP_DEFLATED,
+                compresslevel=8,
+            )
 
         # Send_from_directory needs to be the full absolute path
         return send_from_directory(os.path.abspath(datastore_o.datastore_path), backupname, as_attachment=True)
 
     @app.route("/static/<string:group>/<string:filename>", methods=['GET'])
     def static_content(group, filename):
+        if group == 'screenshot':
+
+            from flask import make_response
+
+            # Could be sensitive, follow password requirements
+            if datastore.data['settings']['application']['password'] and not flask_login.current_user.is_authenticated:
+                abort(403)
+
+            # These files should be in our subdirectory
+            try:
+                # set nocache, set content-type
+                watch_dir = datastore_o.datastore_path + "/" + filename
+                response = make_response(send_from_directory(filename="last-screenshot.png", directory=watch_dir, path=watch_dir + "/last-screenshot.png"))
+                response.headers['Content-type'] = 'image/png'
+                response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate'
+                response.headers['Pragma'] = 'no-cache'
+                response.headers['Expires'] = 0
+                return response
+
+            except FileNotFoundError:
+                abort(404)
+
         # These files should be in our subdirectory
         try:
             return send_from_directory("static/{}".format(group), path=filename)
@@ -860,11 +1006,14 @@ def changedetection_app(config=None, datastore_o=None):
             flash("Error")
             return redirect(url_for('index'))
 
+
     @app.route("/api/delete", methods=['GET'])
     @login_required
     def api_delete():
-
         uuid = request.args.get('uuid')
+        # More for testing, possible to return the first/only
+        if uuid == 'first':
+            uuid = list(datastore.data['watching'].keys()).pop()
         datastore.delete(uuid)
         flash('Deleted.')
 
@@ -918,7 +1067,7 @@ def changedetection_app(config=None, datastore_o=None):
                 if watch_uuid not in running_uuids and not datastore.data['watching'][watch_uuid]['paused']:
                     update_q.put(watch_uuid)
                     i += 1
-        flash("{} watches are rechecking.".format(i))
+        flash("{} watches are queued for rechecking.".format(i))
         return redirect(url_for('index', tag=tag))
 
     # @todo handle ctrl break
@@ -936,7 +1085,6 @@ def changedetection_app(config=None, datastore_o=None):
 # Check for new version and anonymous stats
 def check_for_new_version():
     import requests
-
     import urllib3
     urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
@@ -962,6 +1110,7 @@ def check_for_new_version():
         app.config.exit.wait(86400)
 
 def notification_runner():
+    global notification_debug_log
     while not app.config.exit.is_set():
         try:
             # At the moment only one thread runs (single runner)
@@ -976,14 +1125,28 @@ def notification_runner():
                 notification.process_notification(n_object, datastore)
 
             except Exception as e:
-                print("Watch URL: {}  Error {}".format(n_object['watch_url'], e))
+                print("Watch URL: {}  Error {}".format(n_object['watch_url'], str(e)))
+
+                # UUID wont be present when we submit a 'test' from the global settings
+                if 'uuid' in n_object:
+                    datastore.update_watch(uuid=n_object['uuid'],
+                                           update_obj={'last_notification_error': "Notification error detected, please see logs."})
+
+                log_lines = str(e).splitlines()
+                notification_debug_log += log_lines
+
+                # Trim the log length
+                notification_debug_log = notification_debug_log[-100:]
+
 
 # Thread runner to check every minute, look for new watches to feed into the Queue.
 def ticker_thread_check_time_launch_checks():
     from changedetectionio import update_worker
 
-    # Spin up Workers.
-    for _ in range(datastore.data['settings']['requests']['workers']):
+    # Spin up Workers that do the fetching
+    # Can be overriden by ENV or use the default settings
+    n_workers = int(os.getenv("FETCH_WORKERS", datastore.data['settings']['requests']['workers']))
+    for _ in range(n_workers):
         new_worker = update_worker.update_worker(update_q, notification_q, app, datastore)
         running_update_threads.append(new_worker)
         new_worker.start()
@@ -997,22 +1160,40 @@ def ticker_thread_check_time_launch_checks():
                 running_uuids.append(t.current_uuid)
 
         # Re #232 - Deepcopy the data incase it changes while we're iterating through it all
-        copied_datastore = deepcopy(datastore)
+        while True:
+            try:
+                copied_datastore = deepcopy(datastore)
+            except RuntimeError as e:
+                # RuntimeError: dictionary changed size during iteration
+                time.sleep(0.1)
+            else:
+                break
+
+        # Re #438 - Don't place more watches in the queue to be checked if the queue is already large
+        while update_q.qsize() >= 2000:
+            time.sleep(1)
 
         # Check for watches outside of the time threshold to put in the thread queue.
+        now = time.time()
+
+        recheck_time_minimum_seconds = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 60))
+        recheck_time_system_seconds = int(copied_datastore.data['settings']['requests']['minutes_between_check']) * 60
+
         for uuid, watch in copied_datastore.data['watching'].items():
+
+            # No need todo further processing if it's paused
+            if watch['paused']:
+                continue
+
             # If they supplied an individual entry minutes to threshold.
-            if 'minutes_between_check' in watch and watch['minutes_between_check'] is not None:
-                # Cast to int just incase
-                max_time = int(watch['minutes_between_check']) * 60
+            threshold = now
+            if watch.threshold_seconds:
+                threshold -= watch.threshold_seconds
             else:
-                # Default system wide.
-                max_time = int(copied_datastore.data['settings']['requests']['minutes_between_check']) * 60
+                threshold -= recheck_time_system_seconds
 
-            threshold = time.time() - max_time
-
-            # Yeah, put it in the queue, it's more than time.
-            if not watch['paused'] and watch['last_checked'] <= threshold:
+            # Yeah, put it in the queue, it's more than time
+            if watch['last_checked'] <= max(threshold, recheck_time_minimum_seconds):
                 if not uuid in running_uuids and uuid not in update_q.queue:
                     update_q.put(uuid)
 
@@ -1020,4 +1201,4 @@ def ticker_thread_check_time_launch_checks():
         time.sleep(3)
 
         # Should be low so we can break this out in testing
-        app.config.exit.wait(1)
+        app.config.exit.wait(1)

changedetectionio/changedetection.py

@@ -0,0 +1,114 @@
+#!/usr/bin/python3
+
+# Launch as a eventlet.wsgi server instance.
+
+import getopt
+import os
+import sys
+
+import eventlet
+import eventlet.wsgi
+from . import store, changedetection_app
+from . import __version__
+
+def main():
+    ssl_mode = False
+    host = ''
+    port = os.environ.get('PORT') or 5000
+    do_cleanup = False
+    datastore_path = None
+
+    # On Windows, create and use a default path.
+    if os.name == 'nt':
+        datastore_path = os.path.expandvars(r'%APPDATA%\changedetection.io')
+        os.makedirs(datastore_path, exist_ok=True)
+    else:
+        # Must be absolute so that send_from_directory doesnt try to make it relative to backend/
+        datastore_path = os.path.join(os.getcwd(), "../datastore")
+
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], "Ccsd:h:p:", "port")
+    except getopt.GetoptError:
+        print('backend.py -s SSL enable -h [host] -p [port] -d [datastore path]')
+        sys.exit(2)
+
+    create_datastore_dir = False
+
+    for opt, arg in opts:
+        #        if opt == '--purge':
+        # Remove history, the actual files you need to delete manually.
+        #            for uuid, watch in datastore.data['watching'].items():
+        #                watch.update({'history': {}, 'last_checked': 0, 'last_changed': 0, 'previous_md5': None})
+
+        if opt == '-s':
+            ssl_mode = True
+
+        if opt == '-h':
+            host = arg
+
+        if opt == '-p':
+            port = int(arg)
+
+        if opt == '-d':
+            datastore_path = arg
+
+        # Cleanup (remove text files that arent in the index)
+        if opt == '-c':
+            do_cleanup = True
+
+        # Create the datadir if it doesnt exist
+        if opt == '-C':
+            create_datastore_dir = True
+
+    # isnt there some @thingy to attach to each route to tell it, that this route needs a datastore
+    app_config = {'datastore_path': datastore_path}
+
+    if not os.path.isdir(app_config['datastore_path']):
+        if create_datastore_dir:
+            os.mkdir(app_config['datastore_path'])
+        else:
+            print(
+                "ERROR: Directory path for the datastore '{}' does not exist, cannot start, please make sure the directory exists or specify a directory with the -d option.\n"
+                "Or use the -C parameter to create the directory.".format(app_config['datastore_path']), file=sys.stderr)
+            sys.exit(2)
+
+    datastore = store.ChangeDetectionStore(datastore_path=app_config['datastore_path'], version_tag=__version__)
+    app = changedetection_app(app_config, datastore)
+
+    # Go into cleanup mode
+    if do_cleanup:
+        datastore.remove_unused_snapshots()
+
+    app.config['datastore_path'] = datastore_path
+
+
+    @app.context_processor
+    def inject_version():
+        return dict(right_sticky="v{}".format(datastore.data['version_tag']),
+                    new_version_available=app.config['NEW_VERSION_AVAILABLE'],
+                    has_password=datastore.data['settings']['application']['password'] != False
+                    )
+
+    # Proxy sub-directory support
+    # Set environment var USE_X_SETTINGS=1 on this script
+    # And then in your proxy_pass settings
+    #
+    #         proxy_set_header Host "localhost";
+    #         proxy_set_header X-Forwarded-Prefix /app;
+
+    if os.getenv('USE_X_SETTINGS'):
+        print ("USE_X_SETTINGS is ENABLED\n")
+        from werkzeug.middleware.proxy_fix import ProxyFix
+        app.wsgi_app = ProxyFix(app.wsgi_app, x_prefix=1, x_host=1)
+
+    if ssl_mode:
+        # @todo finalise SSL config, but this should get you in the right direction if you need it.
+        eventlet.wsgi.server(eventlet.wrap_ssl(eventlet.listen((host, port)),
+                                               certfile='cert.pem',
+                                               keyfile='privkey.pem',
+                                               server_side=True), app)
+
+    else:
+        eventlet.wsgi.server(eventlet.listen((host, int(port))), app)
+
+

changedetectionio/content_fetcher.py

@@ -1,10 +1,12 @@
-import os
-import time
 from abc import ABC, abstractmethod
+import chardet
+import os
 from selenium import webdriver
 from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 from selenium.webdriver.common.proxy import Proxy as SeleniumProxy
 from selenium.common.exceptions import WebDriverException
+import requests
+import time
 import urllib3.exceptions
 
 
@@ -20,7 +22,7 @@ class EmptyReply(Exception):
 class Fetcher():
     error = None
     status_code = None
-    content = None # Should always be bytes.
+    content = None
     headers = None
 
     fetcher_description ="No description"
@@ -30,10 +32,24 @@ class Fetcher():
         return self.error
 
     @abstractmethod
-    def run(self, url, timeout, request_headers, request_body, request_method):
+    def run(self,
+            url,
+            timeout,
+            request_headers,
+            request_body,
+            request_method,
+            ignore_status_codes=False):
         # Should set self.error, self.status_code and self.content
         pass
 
+    @abstractmethod
+    def quit(self):
+        return
+
+    @abstractmethod
+    def screenshot(self):
+        return
+
     @abstractmethod
     def get_last_status_code(self):
         return self.status_code
@@ -97,21 +113,27 @@ class html_webdriver(Fetcher):
         if proxy_args:
             self.proxy = SeleniumProxy(raw=proxy_args)
 
-    def run(self, url, timeout, request_headers, request_body, request_method):
+    def run(self,
+            url,
+            timeout,
+            request_headers,
+            request_body,
+            request_method,
+            ignore_status_codes=False):
 
         # request_body, request_method unused for now, until some magic in the future happens.
 
         # check env for WEBDRIVER_URL
-        driver = webdriver.Remote(
+        self.driver = webdriver.Remote(
             command_executor=self.command_executor,
             desired_capabilities=DesiredCapabilities.CHROME,
             proxy=self.proxy)
 
         try:
-            driver.get(url)
+            self.driver.get(url)
         except WebDriverException as e:
             # Be sure we close the session window
-            driver.quit()
+            self.quit()
             raise
 
         # @todo - how to check this? is it possible?
@@ -120,33 +142,45 @@ class html_webdriver(Fetcher):
         # raise EmptyReply(url=url, status_code=r.status_code)
 
         # @todo - dom wait loaded?
-        time.sleep(5)
-        self.content = driver.page_source
+        time.sleep(int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)))
+        self.content = self.driver.page_source
         self.headers = {}
 
-        driver.quit()
-
+    def screenshot(self):
+        return self.driver.get_screenshot_as_png()
 
+    # Does the connection to the webdriver work? run a test connection.
     def is_ready(self):
         from selenium import webdriver
         from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
         from selenium.common.exceptions import WebDriverException
 
-        driver = webdriver.Remote(
+        self.driver = webdriver.Remote(
             command_executor=self.command_executor,
             desired_capabilities=DesiredCapabilities.CHROME)
 
         # driver.quit() seems to cause better exceptions
-        driver.quit()
-
+        self.quit()
         return True
 
+    def quit(self):
+        if self.driver:
+            try:
+                self.driver.quit()
+            except Exception as e:
+                print("Exception in chrome shutdown/quit" + str(e))
+
 # "html_requests" is listed as the default fetcher in store.py!
 class html_requests(Fetcher):
     fetcher_description = "Basic fast Plaintext/HTTP Client"
 
-    def run(self, url, timeout, request_headers, request_body, request_method):
-        import requests
+    def run(self,
+            url,
+            timeout,
+            request_headers,
+            request_body,
+            request_method,
+            ignore_status_codes=False):
 
         r = requests.request(method=request_method,
                          data=request_body,
@@ -155,16 +189,21 @@ class html_requests(Fetcher):
                          timeout=timeout,
                          verify=False)
 
-        # https://stackoverflow.com/questions/44203397/python-requests-get-returns-improperly-decoded-text-instead-of-utf-8
-        # Return bytes here
-        html = r.text
+        # If the response did not tell us what encoding format to expect, Then use chardet to override what `requests` thinks.
+        # For example - some sites don't tell us it's utf-8, but return utf-8 content
+        # This seems to not occur when using webdriver/selenium, it seems to detect the text encoding more reliably.
+        # https://github.com/psf/requests/issues/1604 good info about requests encoding detection
+        if not r.headers.get('content-type') or not 'charset=' in r.headers.get('content-type'):
+            encoding = chardet.detect(r.content)['encoding']
+            if encoding:
+                r.encoding = encoding
 
         # @todo test this
         # @todo maybe you really want to test zero-byte return pages?
-        if not r or not html or not len(html):
+        if (not ignore_status_codes and not r) or not r.content or not len(r.content):
             raise EmptyReply(url=url, status_code=r.status_code)
 
         self.status_code = r.status_code
-        self.content = html
+        self.content = r.text
         self.headers = r.headers
 

changedetectionio/diff.py

@@ -2,22 +2,31 @@
 
 import difflib
 
+
+def same_slicer(l, a, b):
+    if a == b:
+        return [l[a]]
+    else:
+        return l[a:b]
+
 # like .compare but a little different output
 def customSequenceMatcher(before, after, include_equal=False):
     cruncher = difflib.SequenceMatcher(isjunk=lambda x: x in " \\t", a=before, b=after)
 
+    # @todo Line-by-line mode instead of buncghed, including `after` that is not in `before` (maybe unset?)
     for tag, alo, ahi, blo, bhi in cruncher.get_opcodes():
         if include_equal and tag == 'equal':
             g = before[alo:ahi]
             yield g
         elif tag == 'delete':
-            g = "(removed) {}".format(before[alo])
+            g = ["(removed) " + i for i in same_slicer(before, alo, ahi)]
             yield g
         elif tag == 'replace':
-            g = ["(changed) {}".format(before[alo]), "(-> into) {}".format(after[blo])]
+            g = ["(changed) " + i for i in same_slicer(before, alo, ahi)]
+            g += ["(into   ) " + i for i in same_slicer(after, blo, bhi)]
             yield g
         elif tag == 'insert':
-            g = "(added) {}".format(after[blo])
+            g = ["(added  ) " + i for i in same_slicer(after, blo, bhi)]
             yield g
 
 # only_differences - only return info about the differences, no context

changedetectionio/fetch_site_status.py

@@ -1,10 +1,10 @@
-import time
-from changedetectionio import content_fetcher
 import hashlib
-from inscriptis import get_text
-import urllib3
-from . import html_tools
+import os
 import re
+import time
+import urllib3
+
+from changedetectionio import content_fetcher, html_tools
 
 urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
 
@@ -16,49 +16,23 @@ class perform_site_check():
         super().__init__(*args, **kwargs)
         self.datastore = datastore
 
-    def strip_ignore_text(self, content, list_ignore_text):
-        import re
-        ignore = []
-        ignore_regex = []
-        for k in list_ignore_text:
-
-            # Is it a regex?
-            if k[0] == '/':
-                ignore_regex.append(k.strip(" /"))
-            else:
-                ignore.append(k)
-
-        output = []
-        for line in content.splitlines():
-
-            # Always ignore blank lines in this mode. (when this function gets called)
-            if len(line.strip()):
-                regex_matches = False
-
-                # if any of these match, skip
-                for regex in ignore_regex:
-                    try:
-                        if re.search(regex, line, re.IGNORECASE):
-                            regex_matches = True
-                    except Exception as e:
-                        continue
-
-                if not regex_matches and not any(skip_text in line for skip_text in ignore):
-                    output.append(line.encode('utf8'))
-
-        return "\n".encode('utf8').join(output)
-
-
-
     def run(self, uuid):
         timestamp = int(time.time())  # used for storage etc too
 
         changed_detected = False
+        screenshot = False  # as bytes
         stripped_text_from_html = ""
 
         watch = self.datastore.data['watching'][uuid]
 
-        update_obj = {}
+        # Protect against file:// access
+        if re.search(r'^file', watch['url'], re.IGNORECASE) and not os.getenv('ALLOW_FILE_URI', False):
+            raise Exception(
+                "file:// type access is denied for security reasons."
+            )
+
+        # Unset any existing notification error
+        update_obj = {'last_notification_error': False, 'last_error': False}
 
         extra_headers = self.datastore.get_val(uuid, 'headers')
 
@@ -72,52 +46,75 @@ class perform_site_check():
         if 'Accept-Encoding' in request_headers and "br" in request_headers['Accept-Encoding']:
             request_headers['Accept-Encoding'] = request_headers['Accept-Encoding'].replace(', br', '')
 
-        # @todo check the failures are really handled how we expect
+        timeout = self.datastore.data['settings']['requests']['timeout']
+        url = self.datastore.get_val(uuid, 'url')
+        request_body = self.datastore.get_val(uuid, 'body')
+        request_method = self.datastore.get_val(uuid, 'method')
+        ignore_status_code = self.datastore.get_val(uuid, 'ignore_status_codes')
 
+        # source: support
+        is_source = False
+        if url.startswith('source:'):
+            url = url.replace('source:', '')
+            is_source = True
+
+        # Pluggable content fetcher
+        prefer_backend = watch['fetch_backend']
+        if hasattr(content_fetcher, prefer_backend):
+            klass = getattr(content_fetcher, prefer_backend)
         else:
-            timeout = self.datastore.data['settings']['requests']['timeout']
-            url = self.datastore.get_val(uuid, 'url')
-            request_body = self.datastore.get_val(uuid, 'body')
-            request_method = self.datastore.get_val(uuid, 'method')
+            # If the klass doesnt exist, just use a default
+            klass = getattr(content_fetcher, "html_requests")
 
-            # Pluggable content fetcher
-            prefer_backend = watch['fetch_backend']
-            if hasattr(content_fetcher, prefer_backend):
-                klass = getattr(content_fetcher, prefer_backend)
+        fetcher = klass()
+        fetcher.run(url, timeout, request_headers, request_body, request_method, ignore_status_code)
+        # Fetching complete, now filters
+        # @todo move to class / maybe inside of fetcher abstract base?
+
+        # @note: I feel like the following should be in a more obvious chain system
+        #  - Check filter text
+        #  - Is the checksum different?
+        #  - Do we convert to JSON?
+        # https://stackoverflow.com/questions/41817578/basic-method-chaining ?
+        # return content().textfilter().jsonextract().checksumcompare() ?
+
+        is_json = 'application/json' in fetcher.headers.get('Content-Type', '')
+        is_html = not is_json
+
+        # source: support, basically treat it as plaintext
+        if is_source:
+            is_html = False
+            is_json = False
+
+        css_filter_rule = watch['css_filter']
+        subtractive_selectors = watch.get(
+            "subtractive_selectors", []
+        ) + self.datastore.data["settings"]["application"].get(
+            "global_subtractive_selectors", []
+        )
+
+        has_filter_rule = css_filter_rule and len(css_filter_rule.strip())
+        has_subtractive_selectors = subtractive_selectors and len(subtractive_selectors[0].strip())
+
+        if is_json and not has_filter_rule:
+            css_filter_rule = "json:$"
+            has_filter_rule = True
+
+        if has_filter_rule:
+            if 'json:' in css_filter_rule:
+                stripped_text_from_html = html_tools.extract_json_as_string(content=fetcher.content, jsonpath_filter=css_filter_rule)
+                is_html = False
+
+        if is_html or is_source:
+            # CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
+            html_content = fetcher.content
+
+            # If not JSON,  and if it's not text/plain..
+            if 'text/plain' in fetcher.headers.get('Content-Type', '').lower():
+                # Don't run get_text or xpath/css filters on plaintext
+                stripped_text_from_html = html_content
             else:
-                # If the klass doesnt exist, just use a default
-                klass = getattr(content_fetcher, "html_requests")
-
-
-            fetcher = klass()
-            fetcher.run(url, timeout, request_headers, request_body, request_method)
-            # Fetching complete, now filters
-            # @todo move to class / maybe inside of fetcher abstract base?
-
-            # @note: I feel like the following should be in a more obvious chain system
-            #  - Check filter text
-            #  - Is the checksum different?
-            #  - Do we convert to JSON?
-            # https://stackoverflow.com/questions/41817578/basic-method-chaining ?
-            # return content().textfilter().jsonextract().checksumcompare() ?
-
-            is_json = fetcher.headers.get('Content-Type', '') == 'application/json'
-            is_html = not is_json
-            css_filter_rule = watch['css_filter']
-
-            has_filter_rule = css_filter_rule and len(css_filter_rule.strip())
-            if is_json and not has_filter_rule:
-                css_filter_rule = "json:$"
-                has_filter_rule = True
-
-            if has_filter_rule:
-                if 'json:' in css_filter_rule:
-                    stripped_text_from_html = html_tools.extract_json_as_string(content=fetcher.content, jsonpath_filter=css_filter_rule)
-                    is_html = False
-
-            if is_html:
-                # CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
-                html_content = fetcher.content
+                # Then we assume HTML
                 if has_filter_rule:
                     # For HTML/XML we offer xpath as an option, just start a regular xPath "/.."
                     if css_filter_rule[0] == '/':
@@ -125,70 +122,79 @@ class perform_site_check():
                     else:
                         # CSS Filter, extract the HTML that matches and feed that into the existing inscriptis::get_text
                         html_content = html_tools.css_filter(css_filter=css_filter_rule, html_content=fetcher.content)
+                if has_subtractive_selectors:
+                    html_content = html_tools.element_removal(subtractive_selectors, html_content)
 
-                # get_text() via inscriptis
-                stripped_text_from_html = get_text(html_content)
+                if not is_source:
+                    # extract text
+                    stripped_text_from_html = \
+                        html_tools.html_to_text(
+                            html_content,
+                            render_anchor_tag_content=self.datastore.data["settings"][
+                                "application"].get(
+                                "render_anchor_tag_content", False)
+                        )
+
+                elif is_source:
+                    stripped_text_from_html = html_content
 
             # Re #340 - return the content before the 'ignore text' was applied
             text_content_before_ignored_filter = stripped_text_from_html.encode('utf-8')
 
-            # We rely on the actual text in the html output.. many sites have random script vars etc,
-            # in the future we'll implement other mechanisms.
 
-            update_obj["last_check_status"] = fetcher.get_last_status_code()
-            update_obj["last_error"] = False
+        # Re #340 - return the content before the 'ignore text' was applied
+        text_content_before_ignored_filter = stripped_text_from_html.encode('utf-8')
 
-            # If there's text to skip
-            # @todo we could abstract out the get_text() to handle this cleaner
-            text_to_ignore = watch.get('ignore_text', []) + self.datastore.data['settings']['application'].get('global_ignore_text', [])
-            if len(text_to_ignore):
-                stripped_text_from_html = self.strip_ignore_text(stripped_text_from_html, text_to_ignore)
-            else:
-                stripped_text_from_html = stripped_text_from_html.encode('utf8')
+        # We rely on the actual text in the html output.. many sites have random script vars etc,
+        # in the future we'll implement other mechanisms.
 
-            # Re #133 - if we should strip whitespaces from triggering the change detected comparison
-            if self.datastore.data['settings']['application'].get('ignore_whitespace', False):
-                fetched_md5 = hashlib.md5(stripped_text_from_html.translate(None, b'\r\n\t ')).hexdigest()
-            else:
-                fetched_md5 = hashlib.md5(stripped_text_from_html).hexdigest()
+        update_obj["last_check_status"] = fetcher.get_last_status_code()
 
-            # On the first run of a site, watch['previous_md5'] will be an empty string, set it the current one.
-            if not len(watch['previous_md5']):
-                watch['previous_md5'] = fetched_md5
-                update_obj["previous_md5"] = fetched_md5
+        # If there's text to skip
+        # @todo we could abstract out the get_text() to handle this cleaner
+        text_to_ignore = watch.get('ignore_text', []) + self.datastore.data['settings']['application'].get('global_ignore_text', [])
+        if len(text_to_ignore):
+            stripped_text_from_html = html_tools.strip_ignore_text(stripped_text_from_html, text_to_ignore)
+        else:
+            stripped_text_from_html = stripped_text_from_html.encode('utf8')
 
-            blocked_by_not_found_trigger_text = False
+        # Re #133 - if we should strip whitespaces from triggering the change detected comparison
+        if self.datastore.data['settings']['application'].get('ignore_whitespace', False):
+            fetched_md5 = hashlib.md5(stripped_text_from_html.translate(None, b'\r\n\t ')).hexdigest()
+        else:
+            fetched_md5 = hashlib.md5(stripped_text_from_html).hexdigest()
 
-            if len(watch['trigger_text']):
-                blocked_by_not_found_trigger_text = True
-                for line in watch['trigger_text']:
-                    # Because JSON wont serialize a re.compile object
-                    if line[0] == '/' and line[-1] == '/':
-                        regex = re.compile(line.strip('/'), re.IGNORECASE)
-                        # Found it? so we don't wait for it anymore
-                        r = re.search(regex, str(stripped_text_from_html))
-                        if r:
-                            blocked_by_not_found_trigger_text = False
-                            break
+        # On the first run of a site, watch['previous_md5'] will be an empty string, set it the current one.
+        if not len(watch['previous_md5']):
+            watch['previous_md5'] = fetched_md5
+            update_obj["previous_md5"] = fetched_md5
 
-                    elif line.lower() in str(stripped_text_from_html).lower():
-                        # We found it don't wait for it.
-                        blocked_by_not_found_trigger_text = False
-                        break
+        blocked_by_not_found_trigger_text = False
 
+        if len(watch['trigger_text']):
+            # Yeah, lets block first until something matches
+            blocked_by_not_found_trigger_text = True
+            # Filter and trigger works the same, so reuse it
+            result = html_tools.strip_ignore_text(content=str(stripped_text_from_html),
+                                                  wordlist=watch['trigger_text'],
+                                                  mode="line numbers")
+            if result:
+                blocked_by_not_found_trigger_text = False
 
+        if not blocked_by_not_found_trigger_text and watch['previous_md5'] != fetched_md5:
+            changed_detected = True
+            update_obj["previous_md5"] = fetched_md5
+            update_obj["last_changed"] = timestamp
 
-            if not blocked_by_not_found_trigger_text and watch['previous_md5'] != fetched_md5:
-                changed_detected = True
-                update_obj["previous_md5"] = fetched_md5
-                update_obj["last_changed"] = timestamp
+        # Extract title as title
+        if is_html:
+            if self.datastore.data['settings']['application']['extract_title_as_title'] or watch['extract_title_as_title']:
+                if not watch['title'] or not len(watch['title']):
+                    update_obj['title'] = html_tools.extract_element(find='title', html_content=fetcher.content)
 
+        if self.datastore.data['settings']['application'].get('real_browser_save_screenshot', True):
+            screenshot = fetcher.screenshot()
 
-            # Extract title as title
-            if is_html:
-                if self.datastore.data['settings']['application']['extract_title_as_title'] or watch['extract_title_as_title']:
-                    if not watch['title'] or not len(watch['title']):
-                        update_obj['title'] = html_tools.extract_element(find='title', html_content=fetcher.content)
+        fetcher.quit()
 
-
-        return changed_detected, update_obj, text_content_before_ignored_filter
+        return changed_detected, update_obj, text_content_before_ignored_filter, screenshot

changedetectionio/forms.py

@@ -1,12 +1,31 @@
-from wtforms import Form, SelectField, RadioField, BooleanField, StringField, PasswordField, validators, IntegerField, fields, TextAreaField, \
-    Field
-from wtforms import widgets
-from wtforms.validators import ValidationError
-from wtforms.fields import html5
-from changedetectionio import content_fetcher
 import re
 
-from changedetectionio.notification import default_notification_format, valid_notification_formats, default_notification_body, default_notification_title
+from wtforms import (
+    BooleanField,
+    Field,
+    Form,
+    IntegerField,
+    PasswordField,
+    RadioField,
+    SelectField,
+    StringField,
+    SubmitField,
+    TextAreaField,
+    fields,
+    validators,
+    widgets,
+)
+from wtforms.validators import ValidationError
+
+from changedetectionio import content_fetcher
+from changedetectionio.notification import (
+    default_notification_body,
+    default_notification_format,
+    default_notification_title,
+    valid_notification_formats,
+)
+
+from wtforms.fields import FormField
 
 valid_method = {
     'GET',
@@ -44,8 +63,8 @@ class SaltyPasswordField(StringField):
     encrypted_password = ""
 
     def build_password(self, password):
-        import hashlib
         import base64
+        import hashlib
         import secrets
 
         # Make a new salt on every new password and store it with the password
@@ -103,8 +122,8 @@ class ValidateContentFetcherIsReady(object):
         self.message = message
 
     def __call__(self, form, field):
-        from changedetectionio import content_fetcher
         import urllib3.exceptions
+        from changedetectionio import content_fetcher
 
         # Better would be a radiohandler that keeps a reference to each class
         if field.data is not None:
@@ -219,77 +238,99 @@ class ValidateCSSJSONXPATHInput(object):
     @todo CSS validator ;)
     """
 
-    def __init__(self, message=None):
+    def __init__(self, message=None, allow_xpath=True, allow_json=True):
         self.message = message
+        self.allow_xpath = allow_xpath
+        self.allow_json = allow_json
 
     def __call__(self, form, field):
 
+        if isinstance(field.data, str):
+            data = [field.data]
+        else:
+            data = field.data
+
+        for line in data:
         # Nothing to see here
-        if not len(field.data.strip()):
-            return
+            if not len(line.strip()):
+                return
 
-        # Does it look like XPath?
-        if field.data.strip()[0] == '/':
-            from lxml import html, etree
-            tree = html.fromstring("<html></html>")
+            # Does it look like XPath?
+            if line.strip()[0] == '/':
+                if not self.allow_xpath:
+                    raise ValidationError("XPath not permitted in this field!")
+                from lxml import etree, html
+                tree = html.fromstring("<html></html>")
 
-            try:
-                tree.xpath(field.data.strip())
-            except etree.XPathEvalError as e:
-                message = field.gettext('\'%s\' is not a valid XPath expression. (%s)')
-                raise ValidationError(message % (field.data, str(e)))
-            except:
-                raise ValidationError("A system-error occurred when validating your XPath expression")
+                try:
+                    tree.xpath(line.strip())
+                except etree.XPathEvalError as e:
+                    message = field.gettext('\'%s\' is not a valid XPath expression. (%s)')
+                    raise ValidationError(message % (line, str(e)))
+                except:
+                    raise ValidationError("A system-error occurred when validating your XPath expression")
 
-        if 'json:' in field.data:
-            from jsonpath_ng.exceptions import JsonPathParserError, JsonPathLexerError
-            from jsonpath_ng.ext import parse
+            if 'json:' in line:
+                if not self.allow_json:
+                    raise ValidationError("JSONPath not permitted in this field!")
 
-            input = field.data.replace('json:', '')
+                from jsonpath_ng.exceptions import (
+                    JsonPathLexerError,
+                    JsonPathParserError,
+                )
+                from jsonpath_ng.ext import parse
 
-            try:
-                parse(input)
-            except (JsonPathParserError, JsonPathLexerError) as e:
-                message = field.gettext('\'%s\' is not a valid JSONPath expression. (%s)')
-                raise ValidationError(message % (input, str(e)))
-            except:
-                raise ValidationError("A system-error occurred when validating your JSONPath expression")
+                input = line.replace('json:', '')
+
+                try:
+                    parse(input)
+                except (JsonPathParserError, JsonPathLexerError) as e:
+                    message = field.gettext('\'%s\' is not a valid JSONPath expression. (%s)')
+                    raise ValidationError(message % (input, str(e)))
+                except:
+                    raise ValidationError("A system-error occurred when validating your JSONPath expression")
+
+                # Re #265 - maybe in the future fetch the page and offer a
+                # warning/notice that its possible the rule doesnt yet match anything?
 
-            # Re #265 - maybe in the future fetch the page and offer a
-            # warning/notice that its possible the rule doesnt yet match anything?
 
 class quickWatchForm(Form):
-    # https://wtforms.readthedocs.io/en/2.3.x/fields/#module-wtforms.fields.html5
-    # `require_tld` = False is needed even for the test harness "http://localhost:5005.." to run
-    url = html5.URLField('URL', validators=[validateURL()])
+    url = fields.URLField('URL', validators=[validateURL()])
     tag = StringField('Group tag', [validators.Optional(), validators.Length(max=35)])
 
+# Common to a single watch and the global settings
 class commonSettingsForm(Form):
 
-    notification_urls = StringListField('Notification URL List', validators=[validators.Optional(), ValidateNotificationBodyAndTitleWhenURLisSet(), ValidateAppRiseServers()])
-    notification_title = StringField('Notification Title', default=default_notification_title, validators=[validators.Optional(), ValidateTokensList()])
-    notification_body = TextAreaField('Notification Body', default=default_notification_body, validators=[validators.Optional(), ValidateTokensList()])
-    notification_format = SelectField('Notification Format', choices=valid_notification_formats.keys(), default=default_notification_format)
-    trigger_check = BooleanField('Send test notification on save')
-    fetch_backend = RadioField(u'Fetch Method', choices=content_fetcher.available_fetchers(), validators=[ValidateContentFetcherIsReady()])
+    notification_urls = StringListField('Notification URL list', validators=[validators.Optional(), ValidateNotificationBodyAndTitleWhenURLisSet(), ValidateAppRiseServers()])
+    notification_title = StringField('Notification title', default=default_notification_title, validators=[validators.Optional(), ValidateTokensList()])
+    notification_body = TextAreaField('Notification body', default=default_notification_body, validators=[validators.Optional(), ValidateTokensList()])
+    notification_format = SelectField('Notification format', choices=valid_notification_formats.keys(), default=default_notification_format)
+    fetch_backend = RadioField(u'Fetch method', choices=content_fetcher.available_fetchers(), validators=[ValidateContentFetcherIsReady()])
     extract_title_as_title = BooleanField('Extract <title> from document and use as watch title', default=False)
 
 class watchForm(commonSettingsForm):
 
-    url = html5.URLField('URL', validators=[validateURL()])
-    tag = StringField('Group tag', [validators.Optional(), validators.Length(max=35)])
+    url = fields.URLField('URL', validators=[validateURL()])
+    tag = StringField('Group tag', [validators.Optional(), validators.Length(max=35)], default='')
 
-    minutes_between_check = html5.IntegerField('Maximum time in minutes until recheck',
+    minutes_between_check = fields.IntegerField('Maximum time in minutes until recheck',
                                                [validators.Optional(), validators.NumberRange(min=1)])
-    css_filter = StringField('CSS/JSON/XPATH Filter', [ValidateCSSJSONXPATHInput()])
-    title = StringField('Title')
 
-    ignore_text = StringListField('Ignore Text', [ValidateListRegex()])
-    headers = StringDictKeyValue('Request Headers')
-    body = TextAreaField('Request Body', [validators.Optional()])
-    method = SelectField('Request Method', choices=valid_method, default=default_method)
+    css_filter = StringField('CSS/JSON/XPATH Filter', [ValidateCSSJSONXPATHInput()], default='')
+
+    subtractive_selectors = StringListField('Remove elements', [ValidateCSSJSONXPATHInput(allow_xpath=False, allow_json=False)])
+    title = StringField('Title', default='')
+
+    ignore_text = StringListField('Ignore text', [ValidateListRegex()])
+    headers = StringDictKeyValue('Request headers')
+    body = TextAreaField('Request body', [validators.Optional()])
+    method = SelectField('Request method', choices=valid_method, default=default_method)
+    ignore_status_codes = BooleanField('Ignore status codes (process non-2xx status codes as normal)', default=False)
     trigger_text = StringListField('Trigger/wait for text', [validators.Optional(), ValidateListRegex()])
 
+    save_button = SubmitField('Save', render_kw={"class": "pure-button pure-button-primary"})
+    save_and_preview_button = SubmitField('Save & Preview', render_kw={"class": "pure-button pure-button-primary"})
+
     def validate(self, **kwargs):
         if not super().validate():
             return False
@@ -303,12 +344,31 @@ class watchForm(commonSettingsForm):
 
         return result
 
-class globalSettingsForm(commonSettingsForm):
 
-    password = SaltyPasswordField()
-    minutes_between_check = html5.IntegerField('Maximum time in minutes until recheck',
+# datastore.data['settings']['requests']..
+class globalSettingsRequestForm(Form):
+    minutes_between_check = fields.IntegerField('Maximum time in minutes until recheck',
                                                [validators.NumberRange(min=1)])
-    extract_title_as_title = BooleanField('Extract <title> from document and use as watch title')
+# datastore.data['settings']['application']..
+class globalSettingsApplicationForm(commonSettingsForm):
+
     base_url = StringField('Base URL', validators=[validators.Optional()])
+    global_subtractive_selectors = StringListField('Remove elements', [ValidateCSSJSONXPATHInput(allow_xpath=False, allow_json=False)])
     global_ignore_text = StringListField('Ignore Text', [ValidateListRegex()])
-    ignore_whitespace = BooleanField('Ignore whitespace')
+    ignore_whitespace = BooleanField('Ignore whitespace')
+    real_browser_save_screenshot = BooleanField('Save last screenshot when using Chrome?')
+    removepassword_button = SubmitField('Remove password', render_kw={"class": "pure-button pure-button-primary"})
+    render_anchor_tag_content = BooleanField('Render anchor tag content', default=False)
+    fetch_backend = RadioField('Fetch Method', default="html_requests", choices=content_fetcher.available_fetchers(), validators=[ValidateContentFetcherIsReady()])
+    password = SaltyPasswordField()
+
+
+class globalSettingsForm(Form):
+    # Define these as FormFields/"sub forms", this way it matches the JSON storage
+    # datastore.data['settings']['application']..
+    # datastore.data['settings']['requests']..
+
+    requests = FormField(globalSettingsRequestForm)
+    application = FormField(globalSettingsApplicationForm)
+    save_button = SubmitField('Save', render_kw={"class": "pure-button pure-button-primary"})
+

changedetectionio/html_tools.py

@@ -1,6 +1,12 @@
 import json
+import re
+from typing import List
+
 from bs4 import BeautifulSoup
 from jsonpath_ng.ext import parse
+import re
+from inscriptis import get_text
+from inscriptis.model.config import ParserConfig
 
 
 class JSONNotFound(ValueError):
@@ -16,16 +22,27 @@ def css_filter(css_filter, html_content):
 
     return html_block + "\n"
 
+def subtractive_css_selector(css_selector, html_content):
+    soup = BeautifulSoup(html_content, "html.parser")
+    for item in soup.select(css_selector):
+        item.decompose()
+    return str(soup)
+
+
+def element_removal(selectors: List[str], html_content):
+    """Joins individual filters into one css filter."""
+    selector = ",".join(selectors)
+    return subtractive_css_selector(selector, html_content)
+
 
 # Return str Utf-8 of matched rules
 def xpath_filter(xpath_filter, html_content):
-    from lxml import html
-    from lxml import etree
+    from lxml import etree, html
 
     tree = html.fromstring(html_content)
     html_block = ""
 
-    for item in tree.xpath(xpath_filter.strip()):
+    for item in tree.xpath(xpath_filter.strip(), namespaces={'re':'http://exslt.org/regular-expressions'}):
         html_block+= etree.tostring(item, pretty_print=True).decode('utf-8')+"<br/>"
 
     return html_block
@@ -64,7 +81,8 @@ def _parse_json(json_data, jsonpath_filter):
         # Re 265 - Just return an empty string when filter not found
         return ''
 
-    stripped_text_from_html = json.dumps(s, indent=4)
+    # Ticket #462 - allow the original encoding through, usually it's UTF-8 or similar
+    stripped_text_from_html = json.dumps(s, indent=4, ensure_ascii=False)
 
     return stripped_text_from_html
 
@@ -105,3 +123,82 @@ def extract_json_as_string(content, jsonpath_filter):
         return ''
 
     return stripped_text_from_html
+
+# Mode     - "content" return the content without the matches (default)
+#          - "line numbers" return a list of line numbers that match (int list)
+#
+# wordlist - list of regex's (str) or words (str)
+def strip_ignore_text(content, wordlist, mode="content"):
+    ignore = []
+    ignore_regex = []
+
+    # @todo check this runs case insensitive
+    for k in wordlist:
+
+        # Is it a regex?
+        if k[0] == '/':
+            ignore_regex.append(k.strip(" /"))
+        else:
+            ignore.append(k)
+
+    i = 0
+    output = []
+    ignored_line_numbers = []
+    for line in content.splitlines():
+        i += 1
+        # Always ignore blank lines in this mode. (when this function gets called)
+        if len(line.strip()):
+            regex_matches = False
+
+            # if any of these match, skip
+            for regex in ignore_regex:
+                try:
+                    if re.search(regex, line, re.IGNORECASE):
+                        regex_matches = True
+                except Exception as e:
+                    continue
+
+            if not regex_matches and not any(skip_text.lower() in line.lower() for skip_text in ignore):
+                output.append(line.encode('utf8'))
+            else:
+                ignored_line_numbers.append(i)
+
+
+
+    # Used for finding out what to highlight
+    if mode == "line numbers":
+        return ignored_line_numbers
+
+    return "\n".encode('utf8').join(output)
+
+
+def html_to_text(html_content: str, render_anchor_tag_content=False) -> str:
+    """Converts html string to a string with just the text. If ignoring
+    rendering anchor tag content is enable, anchor tag content are also
+    included in the text
+
+    :param html_content: string with html content
+    :param render_anchor_tag_content: boolean flag indicating whether to extract
+    hyperlinks (the anchor tag content) together with text. This refers to the
+    'href' inside 'a' tags.
+    Anchor tag content is rendered in the following manner:
+    '[ text ](anchor tag content)'
+    :return: extracted text from the HTML
+    """
+    #  if anchor tag content flag is set to True define a config for
+    #  extracting this content
+    if render_anchor_tag_content:
+
+        parser_config = ParserConfig(
+            annotation_rules={"a": ["hyperlink"]}, display_links=True
+        )
+
+    # otherwise set config to None
+    else:
+        parser_config = None
+
+    # get text and annotations via inscriptis
+    text_content = get_text(html_content, config=parser_config)
+
+    return text_content
+

changedetectionio/model/App.py

@@ -0,0 +1,49 @@
+import collections
+import os
+
+import uuid as uuid_builder
+
+from changedetectionio.notification import (
+    default_notification_body,
+    default_notification_format,
+    default_notification_title,
+)
+
+class model(dict):
+    def __init__(self, *arg, **kw):
+        super(model, self).__init__(*arg, **kw)
+        self.update({
+            'note': "Hello! If you change this file manually, please be sure to restart your changedetection.io instance!",
+            'watching': {},
+            'settings': {
+                'headers': {
+                    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36',
+                    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
+                    'Accept-Encoding': 'gzip, deflate',  # No support for brolti in python requests yet.
+                    'Accept-Language': 'en-GB,en-US;q=0.9,en;'
+                },
+                'requests': {
+                    'timeout': 15,  # Default 15 seconds
+                    # Default 3 hours
+                    'minutes_between_check': 3 * 60,  # Default 3 hours
+                    'workers': 10  # Number of threads, lower is better for slow connections
+                },
+                'application': {
+                    'password': False,
+                    'base_url' : None,
+                    'extract_title_as_title': False,
+                    'fetch_backend': os.getenv("DEFAULT_FETCH_BACKEND", "html_requests"),
+                    'global_ignore_text': [], # List of text to ignore when calculating the comparison checksum
+                    'global_subtractive_selectors': [],
+                    'ignore_whitespace': False,
+                    'render_anchor_tag_content': False,
+                    'notification_urls': [], # Apprise URL list
+                    # Custom notification content
+                    'notification_title': default_notification_title,
+                    'notification_body': default_notification_body,
+                    'notification_format': default_notification_format,
+                    'real_browser_save_screenshot': True,
+                    'schema_version' : 0
+                }
+            }
+        })

changedetectionio/model/Watch.py

@@ -0,0 +1,62 @@
+import os
+
+import uuid as uuid_builder
+
+minimum_seconds_recheck_time = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 5))
+
+from changedetectionio.notification import (
+    default_notification_body,
+    default_notification_format,
+    default_notification_title,
+)
+
+
+class model(dict):
+    def __init__(self, *arg, **kw):
+        self.update({
+            'url': None,
+            'tag': None,
+            'last_checked': 0,
+            'last_changed': 0,
+            'paused': False,
+            'last_viewed': 0,  # history key value of the last viewed via the [diff] link
+            'newest_history_key': "",
+            'title': None,
+            'previous_md5': "",
+            'uuid': str(uuid_builder.uuid4()),
+            'headers': {},  # Extra headers to send
+            'body': None,
+            'method': 'GET',
+            'history': {},  # Dict of timestamp and output stripped filename
+            'ignore_text': [],  # List of text to ignore when calculating the comparison checksum
+            # Custom notification content
+            'notification_urls': [],  # List of URLs to add to the notification Queue (Usually AppRise)
+            'notification_title': default_notification_title,
+            'notification_body': default_notification_body,
+            'notification_format': default_notification_format,
+            'css_filter': "",
+            'subtractive_selectors': [],
+            'trigger_text': [],  # List of text or regex to wait for until a change is detected
+            'fetch_backend': None,
+            'extract_title_as_title': False,
+            # Re #110, so then if this is set to None, we know to use the default value instead
+            # Requires setting to None on submit if it's the same as the default
+            # Should be all None by default, so we use the system default in this case.
+            'minutes_between_check': None
+        })
+        # goes at the end so we update the default object with the initialiser
+        super(model, self).__init__(*arg, **kw)
+
+
+    @property
+    def has_empty_checktime(self):
+        if self.get('minutes_between_check', None):
+            return False
+        return True
+
+    @property
+    def threshold_seconds(self):
+        sec = self.get('minutes_between_check', None)
+        if sec:
+            sec = sec * 60
+        return sec

changedetectionio/notification.py

@@ -25,15 +25,6 @@ default_notification_body = '{watch_url} had a change.\n---\n{diff}\n---\n'
 default_notification_title = 'ChangeDetection.io Notification - {watch_url}'
 
 def process_notification(n_object, datastore):
-    import logging
-    log = logging.getLogger('apprise')
-    log.setLevel('TRACE')
-    apobj = apprise.Apprise(debug=True)
-
-    for url in n_object['notification_urls']:
-        url = url.strip()
-        print (">> Process Notification: AppRise notifying {}".format(url))
-        apobj.add(url)
 
     # Get the notification body from datastore
     n_body = n_object.get('notification_body', default_notification_body)
@@ -53,11 +44,52 @@ def process_notification(n_object, datastore):
         n_title = n_title.replace(token, val)
         n_body = n_body.replace(token, val)
 
-    apobj.notify(
-        body=n_body,
-        title=n_title,
-        body_format=n_format,
-    )
+    # https://github.com/caronc/apprise/wiki/Development_LogCapture
+    # Anything higher than or equal to WARNING (which covers things like Connection errors)
+    # raise it as an exception
+    apobjs=[]
+    for url in n_object['notification_urls']:
+
+        apobj = apprise.Apprise(debug=True)
+        url = url.strip()
+        if len(url):
+            print(">> Process Notification: AppRise notifying {}".format(url))
+            with apprise.LogCapture(level=apprise.logging.DEBUG) as logs:
+                # Re 323 - Limit discord length to their 2000 char limit total or it wont send.
+                # Because different notifications may require different pre-processing, run each sequentially :(
+                # 2000 bytes minus -
+                #     200 bytes for the overhead of the _entire_ json payload, 200 bytes for {tts, wait, content} etc headers
+                #     Length of URL - Incase they specify a longer custom avatar_url
+
+                # So if no avatar_url is specified, add one so it can be correctly calculated into the total payload
+                k = '?' if not '?' in url else '&'
+                if not 'avatar_url' in url:
+                    url += k + 'avatar_url=https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/changedetectionio/static/images/avatar-256x256.png'
+
+                payload_max_size = 1700
+                # Trim everything to a max of 1700 total chars (leave some for padding, control etc)
+                # Incase n_title > 1700
+                # basically trim back the body until the total size fits our threshold
+                # and trim off the n_title to fit always.
+                body_limit = max(0, payload_max_size - len(n_title))
+                body = n_body[0:body_limit] if 'discord://' in url else n_body
+
+                apobj.add(url)
+
+                apobj.notify(
+                    title=n_title[0:payload_max_size],
+                    body=body,
+                    body_format=n_format)
+
+                apobj.clear()
+
+                # Incase it needs to exist in memory for a while after to process(?)
+                apobjs.append(apobj)
+
+                # Returns empty string if nothing found, multi-line string otherwise
+                log_value = logs.getvalue()
+                if log_value and 'WARNING' in log_value or 'ERROR' in log_value:
+                    raise Exception(log_value)
 
 # Notification title + body content parameters get created here.
 def create_notification_parameters(n_object, datastore):

changedetectionio/static/js/notifications.js

@@ -0,0 +1,53 @@
+$(document).ready(function() {
+
+  $('#add-email-helper').click(function (e) {
+    e.preventDefault();
+    email = prompt("Destination email");
+    if(email) {
+      var n = $("#notification_urls");
+      var p=email_notification_prefix;
+      $(n).val( $.trim( $(n).val() )+"\n"+email_notification_prefix+email );
+    }
+  });
+
+  $('#send-test-notification').click(function (e) {
+    e.preventDefault();
+
+    // this can be global
+    var csrftoken = $('input[name=csrf_token]').val();
+    $.ajaxSetup({
+        beforeSend: function(xhr, settings) {
+            if (!/^(GET|HEAD|OPTIONS|TRACE)$/i.test(settings.type) && !this.crossDomain) {
+                xhr.setRequestHeader("X-CSRFToken", csrftoken)
+            }
+        }
+    })
+
+    data = {
+        window_url : window.location.href,
+        notification_urls : $('#notification_urls').val(),
+        notification_title : $('#notification_title').val(),
+        notification_body : $('#notification_body').val(),
+        notification_format : $('#notification_format').val(),
+    }
+    for (key in data) {
+      if (!data[key].length) {
+        alert(key+" is empty, cannot send test.")
+        return;
+      }
+    }
+
+    $.ajax({
+      type: "POST",
+      url: notification_base_url,
+      data : data
+    }).done(function(data){
+      console.log(data);
+      alert('Sent');
+    }).fail(function(data){
+      console.log(data);
+      alert('Error: '+data.responseJSON.error);
+    })
+  });
+});
+

changedetectionio/static/js/tabs.js

@@ -1,6 +1,11 @@
 // Rewrite this is a plugin.. is all this JS really 'worth it?'
 
 
+if(!window.location.hash) {
+  var tab=document.querySelectorAll("#default-tab a");
+  tab[0].click();
+}
+
 window.addEventListener('hashchange', function() {
   var tabs = document.getElementsByClassName('active');
   while (tabs[0]) {
@@ -21,7 +26,6 @@ if (!has_errors.length) {
   focus_error_tab();
 }
 
-
 function set_active_tab() {
   var tab=document.querySelectorAll("a[href='"+location.hash+"']");
   if (tab.length) {

changedetectionio/static/js/watch-overview.js

@@ -0,0 +1,6 @@
+$(function () {
+  // Remove unviewed status when normally clicked
+  $('.diff-link').click(function () {
+    $(this).closest('.unviewed').removeClass('unviewed');
+  });
+});

changedetectionio/static/styles/diff.css

@@ -1,7 +1,8 @@
 #diff-ui {
   background: #fff;
   padding: 2em;
-  margin: 1em;
+  margin-left: 1em;
+  margin-right: 1em;
   border-radius: 5px;
   font-size: 11px; }
   #diff-ui table {
@@ -54,3 +55,24 @@ ins {
   body {
     height: 99%;
     /* Hide scroll bar in Firefox */ } }
+
+td#diff-col div {
+  text-align: justify;
+  white-space: pre-wrap; }
+
+.ignored {
+  background-color: #ccc;
+  /*  border: #0d91fa 1px solid; */
+  opacity: 0.7; }
+
+.triggered {
+  background-color: #1b98f8; }
+
+/* ignored and triggered? make it obvious error */
+.ignored.triggered {
+  background-color: #ff0000; }
+
+.tab-pane-inner#screenshot {
+  text-align: center; }
+  .tab-pane-inner#screenshot img {
+    max-width: 99%; }

changedetectionio/static/styles/diff.scss

@@ -2,7 +2,8 @@
 
     background: #fff;
     padding: 2em;
-    margin: 1em;
+    margin-left: 1em;
+    margin-right: 1em;
     border-radius: 5px;
     font-size: 11px;
 
@@ -66,3 +67,30 @@ ins {
 		height: 99%; /* Hide scroll bar in Firefox */
 	}
 }
+
+td#diff-col div {
+    text-align: justify;
+    white-space: pre-wrap;
+}
+
+.ignored {
+    background-color: #ccc;
+   /*  border: #0d91fa 1px solid; */
+    opacity: 0.7;
+}
+
+.triggered {
+    background-color: #1b98f8;
+}
+
+/* ignored and triggered? make it obvious error */
+.ignored.triggered {
+  background-color: #ff0000;
+}
+
+.tab-pane-inner#screenshot {
+  text-align: center;
+  img {
+    max-width: 99%;
+  }
+}

changedetectionio/static/styles/package-lock.json

@@ -9,7 +9,7 @@
       "version": "0.0.3",
       "license": "ISC",
       "dependencies": {
-        "node-sass": "^6.0.1",
+        "node-sass": "^7.0.0",
         "tar": "^6.1.9",
         "trim-newlines": "^3.0.1"
       }
@@ -128,13 +128,35 @@
       }
     },
     "node_modules/ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
       "engines": {
-        "node": ">=0.10.0"
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/ansi-styles/node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dependencies": {
+        "color-name": "~1.1.4"
+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
+    "node_modules/ansi-styles/node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+    },
     "node_modules/aproba": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
@@ -251,18 +273,18 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "node_modules/chalk": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "dependencies": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
       },
       "engines": {
-        "node": ">=0.10.0"
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
     "node_modules/chownr": {
@@ -344,6 +366,14 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
+    "node_modules/color-support": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
+      "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
+      "bin": {
+        "color-support": "bin.js"
+      }
+    },
     "node_modules/combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -677,17 +707,6 @@
         "node": ">= 0.4.0"
       }
     },
-    "node_modules/has-ansi": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
-      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
-      "dependencies": {
-        "ansi-regex": "^2.0.0"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
@@ -1042,13 +1061,13 @@
       }
     },
     "node_modules/node-sass": {
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-6.0.1.tgz",
-      "integrity": "sha512-f+Rbqt92Ful9gX0cGtdYwjTrWAaGURgaK5rZCWOgCNyGWusFYHhbqCCBoFBeat+HKETOU02AyTxNhJV0YZf2jQ==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-7.0.0.tgz",
+      "integrity": "sha512-6yUnsD3L8fVbgMX6nKQqZkjRcG7a/PpmF0pEyeWf+BgbTj2ToJlCYrnUifL2KbjV5gIY22I3oppahBWA3B+jUg==",
       "hasInstallScript": true,
       "dependencies": {
         "async-foreach": "^0.1.3",
-        "chalk": "^1.1.1",
+        "chalk": "^4.1.2",
         "cross-spawn": "^7.0.3",
         "gaze": "^1.0.0",
         "get-stdin": "^4.0.1",
@@ -1057,7 +1076,7 @@
         "meow": "^9.0.0",
         "nan": "^2.13.2",
         "node-gyp": "^7.1.0",
-        "npmlog": "^4.0.0",
+        "npmlog": "^5.0.0",
         "request": "^2.88.0",
         "sass-graph": "2.2.5",
         "stdout-stream": "^1.4.0",
@@ -1070,6 +1089,106 @@
         "node": ">=12"
       }
     },
+    "node_modules/node-sass/node_modules/ansi-regex": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/node-sass/node_modules/are-we-there-yet": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-2.0.0.tgz",
+      "integrity": "sha512-Ci/qENmwHnsYo9xKIcUJN5LeDKdJ6R1Z1j9V/J5wyq8nh/mYPEpIKJbBZXtZjG04HiK7zV/p6Vs9952MrMeUIw==",
+      "dependencies": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^3.6.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/node-sass/node_modules/emoji-regex": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
+    },
+    "node_modules/node-sass/node_modules/gauge": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-3.0.2.tgz",
+      "integrity": "sha512-+5J6MS/5XksCuXq++uFRsnUd7Ovu1XenbeuIuNRJxYWjgQbPuFhT14lAvsWfqfAmnwluf1OwMjz39HjfLPci0Q==",
+      "dependencies": {
+        "aproba": "^1.0.3 || ^2.0.0",
+        "color-support": "^1.1.2",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.1",
+        "object-assign": "^4.1.1",
+        "signal-exit": "^3.0.0",
+        "string-width": "^4.2.3",
+        "strip-ansi": "^6.0.1",
+        "wide-align": "^1.1.2"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/node-sass/node_modules/is-fullwidth-code-point": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/node-sass/node_modules/npmlog": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-5.0.1.tgz",
+      "integrity": "sha512-AqZtDUWOMKs1G/8lwylVjrdYgqA4d9nu8hc+0gzRxlDb1I10+FHBGMXs6aiQHFdCUUlqH99MUMuLfzWDNDtfxw==",
+      "dependencies": {
+        "are-we-there-yet": "^2.0.0",
+        "console-control-strings": "^1.1.0",
+        "gauge": "^3.0.0",
+        "set-blocking": "^2.0.0"
+      }
+    },
+    "node_modules/node-sass/node_modules/readable-stream": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+      "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/node-sass/node_modules/string-width": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/node-sass/node_modules/strip-ansi": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/nopt": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
@@ -1616,11 +1735,22 @@
       }
     },
     "node_modules/supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
       "engines": {
-        "node": ">=0.8.0"
+        "node": ">=8"
+      }
+    },
+    "node_modules/supports-color/node_modules/has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "engines": {
+        "node": ">=8"
       }
     },
     "node_modules/tar": {
@@ -2050,9 +2180,27 @@
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
     "ansi-styles": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4="
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "requires": {
+        "color-convert": "^2.0.1"
+      },
+      "dependencies": {
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
+        }
+      }
     },
     "aproba": {
       "version": "1.2.0",
@@ -2149,15 +2297,12 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
     },
     "chalk": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
       "requires": {
-        "ansi-styles": "^2.2.1",
-        "escape-string-regexp": "^1.0.2",
-        "has-ansi": "^2.0.0",
-        "strip-ansi": "^3.0.0",
-        "supports-color": "^2.0.0"
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
       }
     },
     "chownr": {
@@ -2223,6 +2368,11 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
     },
+    "color-support": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
+      "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg=="
+    },
     "combined-stream": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
@@ -2485,14 +2635,6 @@
         "function-bind": "^1.1.1"
       }
     },
-    "has-ansi": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-2.0.0.tgz",
-      "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=",
-      "requires": {
-        "ansi-regex": "^2.0.0"
-      }
-    },
     "has-flag": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
@@ -2768,12 +2910,12 @@
       }
     },
     "node-sass": {
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-6.0.1.tgz",
-      "integrity": "sha512-f+Rbqt92Ful9gX0cGtdYwjTrWAaGURgaK5rZCWOgCNyGWusFYHhbqCCBoFBeat+HKETOU02AyTxNhJV0YZf2jQ==",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-7.0.0.tgz",
+      "integrity": "sha512-6yUnsD3L8fVbgMX6nKQqZkjRcG7a/PpmF0pEyeWf+BgbTj2ToJlCYrnUifL2KbjV5gIY22I3oppahBWA3B+jUg==",
       "requires": {
         "async-foreach": "^0.1.3",
-        "chalk": "^1.1.1",
+        "chalk": "^4.1.2",
         "cross-spawn": "^7.0.3",
         "gaze": "^1.0.0",
         "get-stdin": "^4.0.1",
@@ -2782,11 +2924,92 @@
         "meow": "^9.0.0",
         "nan": "^2.13.2",
         "node-gyp": "^7.1.0",
-        "npmlog": "^4.0.0",
+        "npmlog": "^5.0.0",
         "request": "^2.88.0",
         "sass-graph": "2.2.5",
         "stdout-stream": "^1.4.0",
         "true-case-path": "^1.0.2"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
+          "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="
+        },
+        "are-we-there-yet": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-2.0.0.tgz",
+          "integrity": "sha512-Ci/qENmwHnsYo9xKIcUJN5LeDKdJ6R1Z1j9V/J5wyq8nh/mYPEpIKJbBZXtZjG04HiK7zV/p6Vs9952MrMeUIw==",
+          "requires": {
+            "delegates": "^1.0.0",
+            "readable-stream": "^3.6.0"
+          }
+        },
+        "emoji-regex": {
+          "version": "8.0.0",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+          "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A=="
+        },
+        "gauge": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/gauge/-/gauge-3.0.2.tgz",
+          "integrity": "sha512-+5J6MS/5XksCuXq++uFRsnUd7Ovu1XenbeuIuNRJxYWjgQbPuFhT14lAvsWfqfAmnwluf1OwMjz39HjfLPci0Q==",
+          "requires": {
+            "aproba": "^1.0.3 || ^2.0.0",
+            "color-support": "^1.1.2",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.1",
+            "object-assign": "^4.1.1",
+            "signal-exit": "^3.0.0",
+            "string-width": "^4.2.3",
+            "strip-ansi": "^6.0.1",
+            "wide-align": "^1.1.2"
+          }
+        },
+        "is-fullwidth-code-point": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg=="
+        },
+        "npmlog": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-5.0.1.tgz",
+          "integrity": "sha512-AqZtDUWOMKs1G/8lwylVjrdYgqA4d9nu8hc+0gzRxlDb1I10+FHBGMXs6aiQHFdCUUlqH99MUMuLfzWDNDtfxw==",
+          "requires": {
+            "are-we-there-yet": "^2.0.0",
+            "console-control-strings": "^1.1.0",
+            "gauge": "^3.0.0",
+            "set-blocking": "^2.0.0"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        },
+        "string-width": {
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+          "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
+            "strip-ansi": "^6.0.1"
+          }
+        },
+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "requires": {
+            "ansi-regex": "^5.0.1"
+          }
+        }
       }
     },
     "nopt": {
@@ -3213,9 +3436,19 @@
       }
     },
     "supports-color": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc="
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "requires": {
+        "has-flag": "^4.0.0"
+      },
+      "dependencies": {
+        "has-flag": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
+        }
+      }
     },
     "tar": {
       "version": "6.1.9",

changedetectionio/static/styles/package.json

@@ -4,13 +4,12 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "build": "node-sass styles.scss diff.scss -o .",
-    "watch": "node-sass --watch styles.scss diff.scss -o ."
+    "build": "node-sass styles.scss -o .;node-sass diff.scss -o ."
   },
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "node-sass": "^6.0.1",
+    "node-sass": "^7.0.0",
     "tar": "^6.1.9",
     "trim-newlines": "^3.0.1"
   }

changedetectionio/static/styles/styles.scss

@@ -35,16 +35,21 @@ a.github-link {
 
 section.content {
   padding-top: 5em;
-  padding-bottom: 5em;
+  padding-bottom: 1em;
   flex-direction: column;
   display: flex;
   align-items: center;
   justify-content: center;
 }
 
+code {
+  background: #eee;
+}
+
 /* table related */
 .watch-table {
   width: 100%;
+  font-size: 80%;
 
   tr.unviewed {
     font-weight: bold;
@@ -55,7 +60,6 @@ section.content {
   }
 
   td {
-    font-size: 80%;
     white-space: nowrap;
   }
 
@@ -107,12 +111,12 @@ section.content {
 
 body:after {
   content: "";
-  background: linear-gradient(130deg, #ff7a18, #af002d 41.07%, #319197 76.05%)
+  background: linear-gradient(130deg, #5ad8f7, #2f50af 41.07%, #9150bf 84.05%);
 }
 
 body:after, body:before {
   display: block;
-  height: 600px;
+  height: 650px;
   position: absolute;
   top: 0;
   left: 0;
@@ -125,11 +129,8 @@ body::after {
 }
 
 body::before {
+  // background-image set in base.html so it works with reverse proxies etc
   content: "";
-  background-image: url(/static/images/gradient-border.png);
-}
-
-body:before {
   background-size: cover
 }
 
@@ -240,10 +241,16 @@ body:after, body:before {
 
 #notification-customisation {
     border: 1px solid #ccc;
-    padding: 1rem;
+    padding: 0.5rem;
     border-radius: 5px;
 }
 
+#notification-error-log {
+    border: 1px solid #ccc;
+    padding: 1rem;
+    border-radius: 5px;
+    overflow-wrap: break-word;
+}
 
 #token-table {
     &.pure-table td, &.pure-table th {
@@ -265,6 +272,7 @@ body:after, body:before {
   }
   legend {
     color: #fff;
+    font-weight: bold;
   }
 }
 
@@ -317,12 +325,10 @@ footer {
     */
 }
 
-
-
 .sticky-tab {
   position: absolute;
-  top: 80px;
-  font-size: 8px;
+  top: 60px;
+  font-size: 65%;
   background: #fff;
   padding: 10px;
   &#left-sticky {
@@ -331,6 +337,11 @@ footer {
   &#right-sticky {
     right: 0px;
   }
+  &#hosted-sticky {
+    right: 0px;
+    top: 100px;
+    font-weight: bold;
+  }
 }
 
 #new-version-text a {
@@ -364,6 +375,15 @@ footer {
         div {
             margin: 0px;
         }
+        .checkbox {
+            > * {
+              display: inline;
+              vertical-align: middle;
+            }
+            > label {
+               padding-left: 5px;
+            }
+        }
     }
   /* The input fields with errors */
   .error {
@@ -417,18 +437,35 @@ footer {
   }
 }
 
+
+
+@media only screen and (max-width: 760px), (min-device-width: 768px) and (max-device-width: 800px) {
+
+  div.sticky-tab#hosted-sticky {
+    top: 60px;
+    left: 0px;
+    right: auto;
+  }
+
+  section.content {
+    padding-top: 110px;
+  }
+
+  // Make the tabs easier to hit, they will be all nice and horizontal
+  div.tabs.collapsable ul li {
+    display: block;
+    border-radius: 0px;
+  }
+
+  input[type='text'] {
+    width: 100%;
+  }
+
 /*
 Max width before this PARTICULAR table gets nasty
 This query will take effect for any screen smaller than 760px
 and also iPads specifically.
 */
-
-@media only screen and (max-width: 760px), (min-device-width: 768px) and (max-device-width: 1024px) {
-
-  input[type='text'] {
-    width: 100%;
-  }
-    
   .watch-table {
     /* Force table to not be like tables anymore */
     thead, tbody, th, td, tr {
@@ -542,9 +579,16 @@ $form-edge-padding: 20px;
     display: block;
   }
 }
-.edit-form {
-  min-width: 70%;
-  .tab-pane-inner {
+
+.login-form {
+  .inner {
+    background: #fff;;
+    padding: $form-edge-padding;
+    border-radius: 5px;
+  }
+}
+
+.tab-pane-inner {
     &:not(:target) {
         display: none;
     }
@@ -553,7 +597,12 @@ $form-edge-padding: 20px;
     }
     // doesnt need padding because theres another row of buttons/activity
     padding: 0px;
-  }
+}
+
+.edit-form {
+  min-width: 70%;
+  /* so it cant overflow */
+  max-width: 95%;
   .box-wrap {
     position: relative;
   }
@@ -565,5 +614,14 @@ $form-edge-padding: 20px;
     display: block;
     background: #fff;
   }
+
+  .pure-form-message-inline {
+    padding-left: 0;
+  }
 }
 
+ul {
+    padding-left: 1em;
+    padding-top: 0px;
+    margin-top: 4px;
+}

changedetectionio/store.py

@@ -1,15 +1,15 @@
-from os import unlink, path, mkdir
 import json
-import uuid as uuid_builder
-from threading import Lock
-from copy import deepcopy
-
 import logging
-import time
-import threading
 import os
+import threading
+import time
+import uuid as uuid_builder
+from copy import deepcopy
+from os import mkdir, path, unlink
+from threading import Lock
+
+from changedetectionio.model import Watch, App
 
-from changedetectionio.notification import default_notification_format, default_notification_body, default_notification_title
 
 # Is there an existing library to ensure some data store (JSON etc) is in sync with CRUD methods?
 # Open a github issue if you know something :)
@@ -25,67 +25,10 @@ class ChangeDetectionStore:
         self.json_store_path = "{}/url-watches.json".format(self.datastore_path)
         self.stop_thread = False
 
-        self.__data = {
-            'note': "Hello! If you change this file manually, please be sure to restart your changedetection.io instance!",
-            'watching': {},
-            'settings': {
-                'headers': {
-                    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36',
-                    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
-                    'Accept-Encoding': 'gzip, deflate',  # No support for brolti in python requests yet.
-                    'Accept-Language': 'en-GB,en-US;q=0.9,en;'
-                },
-                'requests': {
-                    'timeout': 15,  # Default 15 seconds
-                    'minutes_between_check': 3 * 60,  # Default 3 hours
-                    'workers': 10  # Number of threads, lower is better for slow connections
-                },
-                'application': {
-                    'password': False,
-                    'base_url' : None,
-                    'extract_title_as_title': False,
-                    'fetch_backend': 'html_requests',
-                    'global_ignore_text': [], # List of text to ignore when calculating the comparison checksum
-                    'ignore_whitespace': False,
-                    'notification_urls': [], # Apprise URL list
-                    # Custom notification content
-                    'notification_title': default_notification_title,
-                    'notification_body': default_notification_body,
-                    'notification_format': default_notification_format,
-                }
-            }
-        }
+        self.__data = App.model()
 
         # Base definition for all watchers
-        self.generic_definition = {
-            'url': None,
-            'tag': None,
-            'last_checked': 0,
-            'last_changed': 0,
-            'paused': False,
-            'last_viewed': 0,  # history key value of the last viewed via the [diff] link
-            'newest_history_key': "",
-            'title': None,
-            # Re #110, so then if this is set to None, we know to use the default value instead
-            # Requires setting to None on submit if it's the same as the default
-            'minutes_between_check': None,
-            'previous_md5': "",
-            'uuid': str(uuid_builder.uuid4()),
-            'headers': {},  # Extra headers to send
-            'body': None,
-            'method': 'GET',
-            'history': {},  # Dict of timestamp and output stripped filename
-            'ignore_text': [], # List of text to ignore when calculating the comparison checksum
-            # Custom notification content
-            'notification_urls': [], # List of URLs to add to the notification Queue (Usually AppRise)
-            'notification_title': default_notification_title,
-            'notification_body': default_notification_body,
-            'notification_format': default_notification_format,
-            'css_filter': "",
-            'trigger_text': [],  # List of text or regex to wait for until a change is detected
-            'fetch_backend': None,
-            'extract_title_as_title': False
-        }
+        self.generic_definition = Watch.model()
 
         if path.isfile('changedetectionio/source.txt'):
             with open('changedetectionio/source.txt') as f:
@@ -133,7 +76,7 @@ class ChangeDetectionStore:
                 self.add_watch(url='http://www.quotationspage.com/random.php', tag='test')
                 self.add_watch(url='https://news.ycombinator.com/', tag='Tech news')
                 self.add_watch(url='https://www.gov.uk/coronavirus', tag='Covid')
-                self.add_watch(url='https://changedetection.io', tag='Tech news')
+                self.add_watch(url='https://changedetection.io/CHANGELOG.txt')
 
         self.__data['version_tag'] = version_tag
 
@@ -144,8 +87,8 @@ class ChangeDetectionStore:
             unlink(password_reset_lockfile)
 
         if not 'app_guid' in self.__data:
-            import sys
             import os
+            import sys
             if "pytest" in sys.modules or "PYTEST_CURRENT_TEST" in os.environ:
                 self.__data['app_guid'] = "test-" + str(uuid_builder.uuid4())
             else:
@@ -182,11 +125,11 @@ class ChangeDetectionStore:
         self.data['watching'][uuid].update({'last_viewed': int(timestamp)})
         self.needs_write = True
 
-    def update_watch(self, uuid, update_obj):
+    def remove_password(self):
+        self.__data['settings']['application']['password'] = False
+        self.needs_write = True
 
-        # Skip if 'paused' state
-        if self.__data['watching'][uuid]['paused']:
-            return
+    def update_watch(self, uuid, update_obj):
 
         with self.lock:
 
@@ -329,15 +272,14 @@ class ChangeDetectionStore:
         self.needs_write = True
         return changes_removed
 
-    def add_watch(self, url, tag, extras=None):
+    def add_watch(self, url, tag="", extras=None, write_to_disk_now=True):
         if extras is None:
             extras = {}
 
         with self.lock:
             # @todo use a common generic version of this
             new_uuid = str(uuid_builder.uuid4())
-            _blank = deepcopy(self.generic_definition)
-            _blank.update({
+            new_watch = Watch.model({
                 'url': url,
                 'tag': tag
             })
@@ -348,9 +290,8 @@ class ChangeDetectionStore:
                 if k in apply_extras:
                     del apply_extras[k]
 
-            _blank.update(apply_extras)
-
-            self.data['watching'][new_uuid] = _blank
+            new_watch.update(apply_extras)
+            self.__data['watching'][new_uuid]=new_watch
 
         # Get the directory ready
         output_path = "{}/{}".format(self.datastore_path, new_uuid)
@@ -359,7 +300,8 @@ class ChangeDetectionStore:
         except FileExistsError:
             print(output_path, "already exists.")
 
-        self.sync_to_json()
+        if write_to_disk_now:
+            self.sync_to_json()
         return new_uuid
 
     # Save some text file to the appropriate path and bump the history
@@ -379,6 +321,22 @@ class ChangeDetectionStore:
 
         return fname
 
+    def get_screenshot(self, watch_uuid):
+        output_path = "{}/{}".format(self.datastore_path, watch_uuid)
+        fname = "{}/last-screenshot.png".format(output_path)
+        if path.isfile(fname):
+            return fname
+
+        return False
+
+    # Save as PNG, PNG is larger but better for doing visual diff in the future
+    def save_screenshot(self, watch_uuid, screenshot: bytes):
+        output_path = "{}/{}".format(self.datastore_path, watch_uuid)
+        fname = "{}/last-screenshot.png".format(output_path)
+        with open(fname, 'wb') as f:
+            f.write(screenshot)
+            f.close()
+
     def sync_to_json(self):
         logging.info("Saving JSON..")
 
@@ -398,13 +356,10 @@ class ChangeDetectionStore:
                 # system was out of memory, out of RAM etc
                 with open(self.json_store_path+".tmp", 'w') as json_file:
                     json.dump(data, json_file, indent=4)
-
+                os.replace(self.json_store_path+".tmp", self.json_store_path)
             except Exception as e:
                 logging.error("Error writing JSON!! (Main JSON file save was skipped) : %s", str(e))
 
-            else:
-                os.rename(self.json_store_path+".tmp", self.json_store_path)
-
             self.needs_write = False
 
     # Thread runner, this helps with thread/write issues when there are many operations that want to update the JSON
@@ -437,6 +392,7 @@ class ChangeDetectionStore:
                 index.append(self.data['watching'][uuid]['history'][str(id)])
 
         import pathlib
+
         # Only in the sub-directories
         for item in pathlib.Path(self.datastore_path).rglob("*/*txt"):
             if not str(item) in index:

changedetectionio/templates/_common_fields.jinja

@@ -1,7 +1,7 @@
 
 {% from '_helpers.jinja' import render_field %}
 
-{% macro render_common_settings_form(form, current_base_url) %}
+{% macro render_common_settings_form(form, current_base_url, emailprefix) %}
 
                         <div class="pure-control-group">
                             {{ render_field(form.notification_urls, rows=5, placeholder="Examples:
@@ -10,12 +10,22 @@
     AWS SNS - sns://AccessKeyID/AccessSecretKey/RegionName/+PhoneNo
     SMTPS - mailtos://user:pass@mail.domain.com?to=receivingAddress@example.com")
                             }}
-                            <div class="pure-form-message-inline">Use <a target=_new
-                                                                         href="https://github.com/caronc/apprise">AppRise
-                                URLs</a> for notification to just about any service! <i><a target=_new href="https://github.com/dgtlmoon/changedetection.io/wiki/Notification-configuration-notes">Please read the notification services wiki here for important configuration notes</a></i>
+                            <div class="pure-form-message-inline">
+                              <ul>
+                                <li>Use <a target=_new href="https://github.com/caronc/apprise">AppRise URLs</a> for notification to just about any service! <i><a target=_new href="https://github.com/dgtlmoon/changedetection.io/wiki/Notification-configuration-notes">Please read the notification services wiki here for important configuration notes</a></i>.</li>
+                                <li><code>discord://</code> only supports a maximum <strong>2,000 characters</strong> of notification text, including the title.</li>
+                                <li><code>tgram://</code> bots cant send messages to other bots, so you should specify chat ID of non-bot user.</li>
+                                <li>Go here for <a href="{{url_for('notification_logs')}}">notification debug logs</a></li>
+                              </ul>
                             </div>
+                            <br/>
+                            <a id="send-test-notification" class="pure-button button-secondary button-xsmall" style="font-size: 70%">Send test notification</a>
+{% if emailprefix %}
+                            <a id="add-email-helper" class="pure-button button-secondary button-xsmall" style="font-size: 70%">Add email</a>
+
+{% endif %}
                         </div>
-                        <div id="notification-customisation">
+                        <div id="notification-customisation" class="pure-control-group">
                             <div class="pure-control-group">
                                 {{ render_field(form.notification_title, class="m-d") }}
                                 <span class="pure-form-message-inline">Title for all notifications</span>
@@ -30,9 +40,8 @@
                             </div>
                             <div class="pure-controls">
                             <span class="pure-form-message-inline">
-                                These tokens can be used in the notification body and title to
-                                customise the notification text.
-                            </span>
+                                These tokens can be used in the notification body and title to customise the notification text.
+
                                 <table class="pure-table" id="token-table">
                                     <thead>
                                     <tr>
@@ -84,13 +93,10 @@
                                     </tr>
                                     </tbody>
                                 </table>
-                                <span class="pure-form-message-inline">
+                                <br/>
                                 URLs generated by changedetection.io (such as <code>{diff_url}</code>) require the <code>BASE_URL</code> environment variable set.<br/>
                                 Your <code>BASE_URL</code> var is currently "{{current_base_url}}"
                             </span>
                             </div>
                         </div>
-                        <div class="pure-control-group">
-                            {{ render_field(form.trigger_check) }}
-                        </div>
 {% endmacro %}

changedetectionio/templates/_helpers.jinja

@@ -1,3 +1,30 @@
+{% macro render_field(field) %}
+  <div {% if field.errors %} class="error" {% endif %}>{{ field(**kwargs)|safe }}
+  <div {% if field.errors %} class="error" {% endif %}>{{ field.label }}</div>
+
+  {% if field.errors %}
+    <ul class=errors>
+    {% for error in field.errors %}
+      <li>{{ error }}</li>
+    {% endfor %}
+    </ul>
+  {% endif %}
+  </div>
+{% endmacro %}
+
+{% macro render_checkbox_field(field) %}
+  <div class="checkbox {% if field.errors %} error {% endif %}">
+  {{ field(**kwargs)|safe }} {{ field.label }}
+  {% if field.errors %}
+    <ul class=errors>
+    {% for error in field.errors %}
+      <li>{{ error }}</li>
+    {% endfor %}
+    </ul>
+  {% endif %}
+  </div>
+{% endmacro %}
+
 {% macro render_field(field) %}
   <div {% if field.errors %} class="error" {% endif %}>{{ field.label }}</div>
   <div {% if field.errors %} class="error" {% endif %}>{{ field(**kwargs)|safe }}
@@ -25,3 +52,6 @@
 {% endmacro %}
 
 
+{% macro render_button(field) %}
+  {{ field(**kwargs)|safe }}
+{% endmacro %}

changedetectionio/templates/base.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="Self hosted website change detection.">
     <title>Change Detection{{extra_title}}</title>
+    <link rel="alternate" type="application/rss+xml" title="Changedetection.io » Feed{% if active_tag %}- {{active_tag}}{% endif %}" href="{{ url_for('rss', tag=active_tag , token=app_rss_token)}}" />
     <link rel="stylesheet" href="{{url_for('static_content', group='styles', filename='pure-min.css')}}">
     <link rel="stylesheet" href="{{url_for('static_content', group='styles', filename='styles.css')}}">
     {% if extra_stylesheets %}
@@ -12,7 +13,15 @@
         <link rel="stylesheet" href="{{ m }}?ver=1000">
         {% endfor %}
     {% endif %}
+    <style>
+    body::before {
+        background-image: url({{url_for('static_content', group='images', filename='gradient-border.png')}});
+    }
+    </style>
+    <script type="text/javascript" src="{{url_for('static_content', group='js', filename='jquery-3.6.0.min.js')}}"></script>
+
 </head>
+
 <body>
 
 <div class="header">
@@ -35,13 +44,13 @@
         {% if current_user.is_authenticated or not has_password %}
             {% if not current_diff_url %}
             <li class="pure-menu-item">
-                <a href="{{ url_for('get_backup')}}" class="pure-menu-link">BACKUP</a>
+                <a href="{{ url_for('settings_page')}}" class="pure-menu-link">SETTINGS</a>
             </li>
             <li class="pure-menu-item">
                 <a href="{{ url_for('import_page')}}" class="pure-menu-link">IMPORT</a>
             </li>
             <li class="pure-menu-item">
-                <a href="{{ url_for('settings_page')}}" class="pure-menu-link">SETTINGS</a>
+                <a href="{{ url_for('get_backup')}}" class="pure-menu-link">BACKUP</a>
             </li>
             {% else %}
             <li class="pure-menu-item">
@@ -68,7 +77,7 @@
         </ul>
     </div>
 </div>
-
+{% if hosted_sticky %}<div class="sticky-tab" id="hosted-sticky"><a href="https://lemonade.changedetection.io/start?ref={{guid}}">Let us host your instance!</a></div>{% endif %}
 {% if left_sticky %}<div class="sticky-tab" id="left-sticky"><a href="{{url_for('preview_page', uuid=uuid)}}">Show current snapshot</a></div> {% endif %}
 {% if right_sticky %}<div class="sticky-tab" id="right-sticky">{{ right_sticky }}</div> {% endif %}
 <section class="content">

changedetectionio/templates/diff.html

@@ -1,7 +1,6 @@
 {% extends 'base.html' %}
 
 {% block content %}
-
 <div id="settings">
     <h1>Differences</h1>
     <form class="pure-form " action="" method="GET">
@@ -35,20 +34,45 @@
 <div id="diff-jump">
     <a onclick="next_diff();">Jump</a>
 </div>
+
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='tabs.js')}}" defer></script>
+<div class="tabs">
+    <ul>
+        <li class="tab" id="default-tab"><a href="#text">Text</a></li>
+{% if screenshot %}
+        <li class="tab"><a href="#screenshot">Current screenshot</a></li>
+{% endif %}
+    </ul>
+</div>
+
 <div id="diff-ui">
-    <table>
-        <tbody>
-        <tr>
-            <!-- just proof of concept copied straight from github.com/kpdecker/jsdiff -->
-            <td id="a" style="display: none;">{{previous}}</td>
-            <td id="b" style="display: none;">{{newest}}</td>
-            <td id="diff-col">
-                <span id="result"></span>
-            </td>
-        </tr>
-        </tbody>
-    </table>
-    Diff algorithm from the amazing <a href="https://github.com/kpdecker/jsdiff">github.com/kpdecker/jsdiff</a>
+     <div class="tab-pane-inner" id="text">
+         <div class="tip">Pro-tip: Use <strong>show current snapshot</strong> tab to visualise what will be ignored.
+         </div>
+         <table>
+             <tbody>
+             <tr>
+                 <!-- just proof of concept copied straight from github.com/kpdecker/jsdiff -->
+                 <td id="a" style="display: none;">{{previous}}</td>
+                 <td id="b" style="display: none;">{{newest}}</td>
+                 <td id="diff-col">
+                     <span id="result"></span>
+                 </td>
+             </tr>
+             </tbody>
+         </table>
+         Diff algorithm from the amazing <a href="https://github.com/kpdecker/jsdiff">github.com/kpdecker/jsdiff</a>
+     </div>
+
+{% if screenshot %}
+     <div class="tab-pane-inner" id="screenshot">
+         <p>
+         <i>For now, only the most recent screenshot is saved and displayed.</i>
+             </p>
+
+        <img src="{{url_for('static_content', group='screenshot', filename=uuid)}}">
+     </div>
+{% endif %}
 
 </div>
 

changedetectionio/templates/edit.html

@@ -1,12 +1,19 @@
 {% extends 'base.html' %}
 {% block content %}
-{% from '_helpers.jinja' import render_field %}
+{% from '_helpers.jinja' import render_field, render_checkbox_field, render_button %}
 {% from '_common_fields.jinja' import render_common_settings_form %}
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='tabs.js')}}" defer></script>
+<script>
+    const notification_base_url="{{url_for('ajax_callback_send_notification_test')}}";
+{% if emailprefix %}
+    const email_notification_prefix=JSON.parse('{{ emailprefix|tojson }}');
+{% endif %}
+</script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='notifications.js')}}" defer></script>
 
 <div class="edit-form monospaced-textarea">
 
-    <div class="tabs">
+    <div class="tabs collapsable">
         <ul>
             <li class="tab" id="default-tab"><a href="#general">General</a></li>
             <li class="tab"><a href="#request">Request</a></li>
@@ -18,6 +25,7 @@
     <div class="box-wrap inner">
         <form class="pure-form pure-form-stacked"
               action="{{ url_for('edit_page', uuid=uuid, next = request.args.get('next') ) }}" method="POST">
+             <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
 
             <div class="tab-pane-inner" id="general">
                 <fieldset>
@@ -34,7 +42,7 @@
                     </div>
                     <div class="pure-control-group">
                         {{ render_field(form.minutes_between_check) }}
-                        {% if using_default_minutes %}
+                        {% if has_empty_checktime %}
                         <span class="pure-form-message-inline">Currently using the <a
                                 href="{{ url_for('settings_page', uuid=uuid) }}">default global settings</a>, change to another value if you want to be specific.</span>
                         {% else %}
@@ -43,7 +51,7 @@
                         {% endif %}
                     </div>
                     <div class="pure-control-group">
-                        {{ render_field(form.extract_title_as_title) }}
+                        {{ render_checkbox_field(form.extract_title_as_title) }}
                     </div>
                 </fieldset>
             </div>
@@ -57,53 +65,85 @@
                         </span>
                     </div>
 
+                <hr/>
                 <fieldset class="pure-group">
-                                    <div class="pure-control-group">
-                    {{ render_field(form.method) }}
-                </div>
-                    <strong>Note: <i>Request Headers and Body settings are ONLY used by Basic fast Plaintext/HTTP Client fetch method.</i></strong>
-                    {{ render_field(form.headers, rows=5, placeholder="Example
+
+                    <span class="pure-form-message-inline">
+                        <strong>Request override is currently only used by the <i>Basic fast Plaintext/HTTP Client</i> method.</strong>
+                    </span>
+                    <div class="pure-control-group">
+                        {{ render_field(form.method) }}
+                    </div>
+                    <div class="pure-control-group">
+{{ render_field(form.headers, rows=5, placeholder="Example
 Cookie: foobar
 User-Agent: wonderbra 1.0") }}
-                </fieldset>
-                <div class="pure-control-group">
-                    {{ render_field(form.body, rows=5, placeholder="Example
+                    </div>
+                    <div class="pure-control-group">
+                                        {{ render_field(form.body, rows=5, placeholder="Example
 {
    \"name\":\"John\",
    \"age\":30,
    \"car\":null
 }") }}
-                </div>
-
+                    </div>
+                    <div>
+                        {{ render_checkbox_field(form.ignore_status_codes) }}
+                    </div>
+                </fieldset>
+                <br/>
             </div>
 
             <div class="tab-pane-inner" id="notifications">
                 <strong>Note: <i>These settings override the global settings for this watch.</i></strong>
                 <fieldset>
                     <div class="field-group">
-                        {{ render_common_settings_form(form, current_base_url) }}
+                        {{ render_common_settings_form(form, current_base_url, emailprefix) }}
                     </div>
                 </fieldset>
             </div>
 
             <div class="tab-pane-inner" id="filters-and-triggers">
                 <fieldset>
+                        <div class="pure-control-group">
+                            <strong>Pro-tips:</strong><br/>
+                            <ul>
+                                <li>
+                                    Use the preview page to see your filters and triggers highlighted.
+                                </li>
+                                <li>
+                                    Some sites use JavaScript to create the content, for this you should <a href="https://github.com/dgtlmoon/changedetection.io/wiki/Fetching-pages-with-WebDriver">use the Chrome/WebDriver Fetcher</a>
+                                </li>
+                            </ul>
+                    </div>
+
                     <div class="pure-control-group">
                         {{ render_field(form.css_filter, placeholder=".class-name or #some-id, or other CSS selector rule.",
                         class="m-d") }}
                         <span class="pure-form-message-inline">
                     <ul>
                         <li>CSS - Limit text to this CSS rule, only text matching this CSS rule is included.</li>
-                        <li>JSON - Limit text to this JSON rule, using <a href="https://pypi.org/project/jsonpath-ng/">JSONPath</a>, prefix with <b>"json:"</b>, <a
+                        <li>JSON - Limit text to this JSON rule, using <a href="https://pypi.org/project/jsonpath-ng/">JSONPath</a>, prefix with <code>"json:"</code>, use <code>json:$</code> to force re-formatting if required,  <a
                                 href="https://jsonpath.com/" target="new">test your JSONPath here</a></li>
-                        <li>XPATH - Limit text to this XPath rule, simply start with a forward-slash, example  <b>//*[contains(@class, 'sametext')]</b>, <a
+                        <li>XPath - Limit text to this XPath rule, simply start with a forward-slash, example  <code>//*[contains(@class, 'sametext')]</code>, <a
                                 href="http://xpather.com/" target="new">test your XPath here</a></li>
                     </ul>
                     Please be sure that you thoroughly understand how to write CSS or JSONPath, XPath selector rules before filing an issue on GitHub! <a
                                 href="https://github.com/dgtlmoon/changedetection.io/wiki/CSS-Selector-help">here for more CSS selector help</a>.<br/>
                 </span>
                     </div>
-
+                    <fieldset class="pure-group">
+                      {{ render_field(form.subtractive_selectors, rows=5, placeholder="header
+footer
+nav
+.stockticker") }}
+                      <span class="pure-form-message-inline">
+                        <ul>
+                          <li> Remove HTML element(s) by CSS selector before text conversion. </li>
+                          <li> Add multiple elements or CSS selectors per line to ignore multiple parts of the HTML. </li>
+                        </ul>
+                      </span>
+                    </fieldset>
                 </fieldset>
                 <fieldset class="pure-group">
                     {{ render_field(form.ignore_text, rows=5, placeholder="Some text to ignore in a line
@@ -112,8 +152,9 @@ User-Agent: wonderbra 1.0") }}
                     <span class="pure-form-message-inline">
                         <ul>
                             <li>Each line processed separately, any line matching will be ignored (removed before creating the checksum)</li>
-                            <li>Regular Expression support, wrap the line in forward slash <b>/regex/</b></li>
+                            <li>Regular Expression support, wrap the line in forward slash <code>/regex/</code></li>
                             <li>Changing this will affect the comparison checksum which may trigger an alert</li>
+                            <li>Use the preview/show current tab to see ignores</li>
                         </ul>
                 </span>
 
@@ -127,8 +168,8 @@ User-Agent: wonderbra 1.0") }}
                     <ul>
                         <li>Text to wait for before triggering a change/notification, all text and regex are tested <i>case-insensitive</i>.</li>
                         <li>Trigger text is processed from the result-text that comes out of any CSS/JSON Filters for this watch</li>
-                        <li>Each line is process separately (think of each line as "OR")</li>
-                        <li>Note: Wrap in forward slash / to use regex  example: <span style="font-family: monospace; background: #eee">/foo\d/</span></li>
+                        <li>Each line is processed separately (think of each line as "OR")</li>
+                        <li>Note: Wrap in forward slash / to use regex  example: <code>/foo\d/</code></li>
                     </ul>
                         </span>
                     </div>
@@ -138,7 +179,8 @@ User-Agent: wonderbra 1.0") }}
             <div id="actions">
                 <div class="pure-control-group">
 
-                    <button type="submit" class="pure-button pure-button-primary">Save</button>
+                      {{ render_button(form.save_button) }} {{ render_button(form.save_and_preview_button) }}
+
                     <a href="{{url_for('api_delete', uuid=uuid)}}"
                        class="pure-button button-small button-error ">Delete</a>
                     <a href="{{url_for('api_clone', uuid=uuid)}}"

changedetectionio/templates/import.html

@@ -4,8 +4,16 @@
 <div class="edit-form">
      <div class="inner">
         <form class="pure-form pure-form-aligned" action="{{url_for('import_page')}}" method="POST">
+            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
             <fieldset class="pure-group">
-                <legend>One URL per line, URLs that do not pass validation will stay in the textarea.</legend>
+              <legend>
+                Enter one URL per line, and optionally add tags for each URL after a space, delineated by comma (,):
+                <br>
+                <code>https://example.com tag1, tag2, last tag</code>
+                <br>
+                URLs which do not pass validation will stay in the textarea.
+              </legend>
+              
 
                 <textarea name="urls" class="pure-input-1-2" placeholder="https://"
                           style="width: 100%;
@@ -20,4 +28,3 @@
 </div>
 
 {% endblock %}
-

changedetectionio/templates/login.html

@@ -1,15 +1,15 @@
 {% extends 'base.html' %}
 
 {% block content %}
-<div class="edit-form">
-
+<div class="login-form">
  <div class="inner">
     <form class="pure-form pure-form-stacked" action="{{url_for('login')}}" method="POST">
+        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
         <fieldset>
             <div class="pure-control-group">
                 <label for="password">Password</label>
                 <input type="password" id="password" required="" name="password" value=""
-                       size="15"/>
+                       size="15" autofocus />
                 <input type="hidden" id="email" name="email" value="defaultuser@changedetection.io" />
             </div>
             <div class="pure-control-group">

changedetectionio/templates/notification-log.html

@@ -0,0 +1,19 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<div class="edit-form">
+     <div class="inner">
+
+         <h4 style="margin-top: 0px;">The following issues were detected when sending notifications</h4>
+                <div id="notification-error-log">
+                <ul style="font-size: 80%; margin:0px; padding: 0 0 0 7px">
+                {% for log in logs|reverse %}
+                    <li>{{log}}</li>
+                {% endfor %}
+                </ul>
+                </div>
+
+     </div>
+</div>
+
+{% endblock %}

changedetectionio/templates/preview.html

@@ -3,24 +3,43 @@
 {% block content %}
 
 <div id="settings">
-    <h1>Current</h1>
+    <h1>Current - {{watch.last_checked|format_timestamp_timeago}}</h1>
 </div>
 
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='tabs.js')}}" defer></script>
+<div class="tabs">
+    <ul>
+        <li class="tab" id="default-tab"><a href="#text">Text</a></li>
+{% if screenshot %}
+        <li class="tab"><a href="#screenshot">Current screenshot</a></li>
+{% endif %}
+    </ul>
+</div>
 
 <div id="diff-ui">
+    <div class="tab-pane-inner" id="text">
+        <span class="ignored">Grey lines are ignored</span> <span class="triggered">Blue lines are triggers</span>
+        <table>
+            <tbody>
+            <tr>
+                <td id="diff-col">
+                    {% for row in content %}
+                    <div class="{{row.classes}}">{{row.line}}</div>
+                    {% endfor %}
+                </td>
+            </tr>
+            </tbody>
+        </table>
+    </div>
 
-    <table>
-        <tbody>
-        <tr>
-            <!-- just proof of concept copied straight from github.com/kpdecker/jsdiff -->
+{% if screenshot %}
+     <div class="tab-pane-inner" id="screenshot">
+         <p>
+         <i>For now, only the most recent screenshot is saved and displayed.</i>
+             </p>
 
-            <td id="diff-col">
-                <span id="result">{% for row in content %}<pre>{{row}}</pre>{% endfor %}</span>
-            </td>
-        </tr>
-        </tbody>
-    </table>
+        <img src="{{url_for('static_content', group='screenshot', filename=uuid)}}">
+     </div>
+{% endif %}
 </div>
-
-
 {% endblock %}

changedetectionio/templates/scrub.html

@@ -4,6 +4,7 @@
 <div class="edit-form">
     <div class="box-wrap inner">
     <form class="pure-form pure-form-stacked" action="{{url_for('scrub_page')}}" method="POST">
+        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
         <fieldset>
             <div class="pure-control-group">
                 This will remove all version snapshots/data, but keep your list of URLs. <br/>

changedetectionio/templates/settings.html

@@ -1,14 +1,20 @@
 {% extends 'base.html' %}
 
 {% block content %}
-{% from '_helpers.jinja' import render_field %}
+{% from '_helpers.jinja' import render_field, render_checkbox_field, render_button %}
 {% from '_common_fields.jinja' import render_common_settings_form %}
-
+<script>
+    const notification_base_url="{{url_for('ajax_callback_send_notification_test')}}";
+{% if emailprefix %}
+    const email_notification_prefix=JSON.parse('{{emailprefix|tojson}}');
+{% endif %}
+</script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='settings.js')}}" defer></script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='tabs.js')}}" defer></script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='notifications.js')}}" defer></script>
 
 <div class="edit-form">
-    <div class="tabs">
+    <div class="tabs collapsable">
         <ul>
             <li class="tab" id="default-tab"><a href="#general">General</a></li>
             <li class="tab"><a href="#notifications">Notifications</a></li>
@@ -18,23 +24,27 @@
     </div>
     <div class="box-wrap inner">
         <form class="pure-form pure-form-stacked settings" action="{{url_for('settings_page')}}" method="POST">
+            <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
             <div class="tab-pane-inner" id="general">
                 <fieldset>
                     <div class="pure-control-group">
-                        {{ render_field(form.minutes_between_check) }}
+                        {{ render_field(form.requests.form.minutes_between_check) }}
                         <span class="pure-form-message-inline">Default time for all watches, when the watch does not have a specific time setting.</span>
                     </div>
                     <div class="pure-control-group">
-                        {% if current_user.is_authenticated %}
-                        <a href="{{url_for('settings_page', removepassword='yes')}}"
-                           class="pure-button pure-button-primary">Remove password</a>
+                        {% if not hide_remove_pass %}
+                            {% if current_user.is_authenticated %}
+                                {{ render_button(form.application.form.removepassword_button) }}
+                            {% else %}
+                            {{ render_field(form.application.form.password) }}
+                            <span class="pure-form-message-inline">Password protection for your changedetection.io application.</span>
+                            {% endif %}
                         {% else %}
-                        {{ render_field(form.password) }}
-                        <span class="pure-form-message-inline">Password protection for your changedetection.io application.</span>
+                            <span class="pure-form-message-inline">Password is locked.</span>
                         {% endif %}
                     </div>
                     <div class="pure-control-group">
-                        {{ render_field(form.base_url, placeholder="http://yoursite.com:5000/",
+                        {{ render_field(form.application.form.base_url, placeholder="http://yoursite.com:5000/",
                         class="m-d") }}
                         <span class="pure-form-message-inline">
                             Base URL used for the {base_url} token in notifications and RSS links.<br/>Default value is the ENV var 'BASE_URL' (Currently "{{current_base_url}}"),
@@ -43,23 +53,29 @@
                     </div>
 
                     <div class="pure-control-group">
-                        {{ render_field(form.extract_title_as_title) }}
+                        {{ render_checkbox_field(form.application.form.extract_title_as_title) }}
                         <span class="pure-form-message-inline">Note: This will automatically apply to all existing watches.</span>
                     </div>
+
+                    <div class="pure-control-group">
+                        {{ render_checkbox_field(form.application.form.real_browser_save_screenshot) }}
+                        <span class="pure-form-message-inline">When using a Chrome browser, a screenshot from the last check will be available on the Diff page</span>
+                    </div>
+
                 </fieldset>
             </div>
 
             <div class="tab-pane-inner" id="notifications">
                 <fieldset>
                     <div class="field-group">
-                        {{ render_common_settings_form(form, current_base_url) }}
+                        {{ render_common_settings_form(form.application.form, current_base_url, emailprefix) }}
                     </div>
                 </fieldset>
             </div>
 
             <div class="tab-pane-inner" id="fetching">
                 <div class="pure-control-group">
-                    {{ render_field(form.fetch_backend) }}
+                    {{ render_field(form.application.form.fetch_backend) }}
                     <span class="pure-form-message-inline">
                         <p>Use the <strong>Basic</strong> method (default) where your watched sites don't need Javascript to render.</p>
                         <p>The <strong>Chrome/Javascript</strong> method requires a network connection to a running WebDriver+Chrome server, set by the ENV var 'WEBDRIVER_URL'. </p>
@@ -71,15 +87,32 @@
             <div class="tab-pane-inner" id="filters">
 
                     <fieldset class="pure-group">
-                    {{ render_field(form.ignore_whitespace) }}
+                    {{ render_checkbox_field(form.application.form.ignore_whitespace) }}
                     <span class="pure-form-message-inline">Ignore whitespace, tabs and new-lines/line-feeds when considering if a change was detected.<br/>
-                    <i>Note:</i> Changing this will change the status of your existing watches, possibily trigger alerts etc.
+                    <i>Note:</i> Changing this will change the status of your existing watches, possibly trigger alerts etc.
+                    </span>
+                    </fieldset>
+                <fieldset class="pure-group">
+                    {{ render_checkbox_field(form.application.form.render_anchor_tag_content) }}
+                    <span class="pure-form-message-inline">Render anchor tag content, default disabled, when enabled renders links as <code>(link text)[https://somesite.com]</code>
+                        <br/>
+                    <i>Note:</i> Changing this could affect the content of your existing watches, possibly trigger alerts etc.
                     </span>
                     </fieldset>
-
-
                     <fieldset class="pure-group">
-                    {{ render_field(form.global_ignore_text, rows=5, placeholder="Some text to ignore in a line
+                      {{ render_field(form.application.form.global_subtractive_selectors, rows=5, placeholder="header
+footer
+nav
+.stockticker") }}
+                      <span class="pure-form-message-inline">
+                        <ul>
+                          <li> Remove HTML element(s) by CSS selector before text conversion. </li>
+                          <li> Add multiple elements or CSS selectors per line to ignore multiple parts of the HTML. </li>
+                        </ul>
+                      </span>
+                    </fieldset>
+                    <fieldset class="pure-group">
+                    {{ render_field(form.application.form.global_ignore_text, rows=5, placeholder="Some text to ignore in a line
 /some.regex\d{2}/ for case-INsensitive regex
                     ") }}
                     <span class="pure-form-message-inline">Note: This is applied globally in addition to the per-watch rules.</span><br/>
@@ -87,8 +120,9 @@
                         <ul>
                             <li>Note: This is applied globally in addition to the per-watch rules.</li>
                             <li>Each line processed separately, any line matching will be ignored (removed before creating the checksum)</li>
-                            <li>Regular Expression support, wrap the line in forward slash <b>/regex/</b></li>
+                            <li>Regular Expression support, wrap the line in forward slash <code>/regex/</code></li>
                             <li>Changing this will affect the comparison checksum which may trigger an alert</li>
+                            <li>Use the preview/show current tab to see ignores</li>
                         </ul>
                      </span>
                     </fieldset>
@@ -96,11 +130,9 @@
 
             <div id="actions">
                 <div class="pure-control-group">
-                    <button type="submit" class="pure-button pure-button-primary">Save</button>
-                                           <a href="{{url_for('index')}}" class="pure-button button-small button-cancel">Back</a>
-                        <a href="{{url_for('scrub_page')}}" class="pure-button button-small button-cancel">Delete
-                            History
-                            Snapshot Data</a>
+                    {{ render_button(form.save_button) }}
+                    <a href="{{url_for('index')}}" class="pure-button button-small button-cancel">Back</a>
+                    <a href="{{url_for('scrub_page')}}" class="pure-button button-small button-cancel">Delete History Snapshot Data</a>
                 </div>
             </div>
         </form>

changedetectionio/templates/watch-overview.html

@@ -1,14 +1,16 @@
 {% extends 'base.html' %}
 {% block content %}
 {% from '_helpers.jinja' import render_simple_field %}
-
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='jquery-3.6.0.min.js')}}"></script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='watch-overview.js')}}" defer></script>
 <div class="box">
 
     <form class="pure-form" action="{{ url_for('api_watch_add') }}" method="POST" id="new-watch-form">
+        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
         <fieldset>
             <legend>Add a new change detection watch</legend>
                 {{ render_simple_field(form.url, placeholder="https://...", required=true) }}
-                {{ render_simple_field(form.tag, value=active_tag if active_tag else '', placeholder="tag") }}
+                {{ render_simple_field(form.tag, value=active_tag if active_tag else '', placeholder="watch group") }}
             <button type="submit" class="pure-button pure-button-primary">Watch</button>
         </fieldset>
         <!-- add extra stuff, like do a http POST and send headers -->
@@ -42,18 +44,23 @@
             <tr id="{{ watch.uuid }}"
                 class="{{ loop.cycle('pure-table-odd', 'pure-table-even') }}
                 {% if watch.last_error is defined and watch.last_error != False %}error{% endif %}
+                {% if watch.last_notification_error is defined and watch.last_notification_error != False %}error{% endif %}
                 {% if watch.paused is defined and watch.paused != False %}paused{% endif %}
-                {% if watch.newest_history_key| int > watch.last_viewed| int %}unviewed{% endif %}">
+                {% if watch.newest_history_key| int > watch.last_viewed| int %}unviewed{% endif %}
+                {% if watch.uuid in queued_uuids %}queued{% endif %}">
                 <td class="inline">{{ loop.index }}</td>
                 <td class="inline paused-state state-{{watch.paused}}"><a href="{{url_for('index', pause=watch.uuid, tag=active_tag)}}"><img src="{{url_for('static_content', group='images', filename='pause.svg')}}" alt="Pause" title="Pause"/></a></td>
 
                 <td class="title-col inline">{{watch.title if watch.title is not none and watch.title|length > 0 else watch.url}}
-                    <a class="external" target="_blank" rel="noopener" href="{{ watch.url }}"></a>
-                    {%if watch.fetch_backend == "html_webdriver" %}<img style="height: 1em; display:inline-block;" src="static/images/Google-Chrome-icon.png" />{% endif %}
+                    <a class="external" target="_blank" rel="noopener" href="{{ watch.url.replace('source:','') }}"></a>
+                    {%if watch.fetch_backend == "html_webdriver" %}<img style="height: 1em; display:inline-block;" src="{{url_for('static_content', group='images', filename='Google-Chrome-icon.png')}}" />{% endif %}
 
                     {% if watch.last_error is defined and watch.last_error != False %}
                     <div class="fetch-error">{{ watch.last_error }}</div>
                     {% endif %}
+                    {% if watch.last_notification_error is defined and watch.last_notification_error != False %}
+                    <div class="fetch-error notification-error">{{ watch.last_notification_error }}</div>
+                    {% endif %}
                     {% if not active_tag %}
                     <span class="watch-tag-list">{{ watch.tag}}</span>
                     {% endif %}
@@ -66,11 +73,11 @@
                     {% endif %}
                 </td>
                 <td>
-                    <a href="{{ url_for('api_watch_checknow', uuid=watch.uuid, tag=request.args.get('tag')) }}"
-                       class="pure-button button-small pure-button-primary">Recheck</a>
+                    <a {% if watch.uuid in queued_uuids %}disabled="true"{% endif %} href="{{ url_for('api_watch_checknow', uuid=watch.uuid, tag=request.args.get('tag')) }}"
+                       class="recheck pure-button button-small pure-button-primary">{% if watch.uuid in queued_uuids %}Queued{% else %}Recheck{% endif %}</a>
                     <a href="{{ url_for('edit_page', uuid=watch.uuid)}}" class="pure-button button-small pure-button-primary">Edit</a>
                     {% if watch.history|length >= 2 %}
-                    <a href="{{ url_for('diff_history_page', uuid=watch.uuid) }}" target="{{watch.uuid}}" class="pure-button button-small pure-button-primary">Diff</a>
+                    <a href="{{ url_for('diff_history_page', uuid=watch.uuid) }}" target="{{watch.uuid}}" class="pure-button button-small pure-button-primary diff-link">Diff</a>
                     {% else %}
                         {% if watch.history|length == 1 %}
                             <a href="{{ url_for('preview_page', uuid=watch.uuid)}}" target="{{watch.uuid}}" class="pure-button button-small pure-button-primary">Preview</a>

changedetectionio/tests/conftest.py

@@ -16,6 +16,7 @@ def cleanup(datastore_path):
     # Unlink test output files
     files = ['output.txt',
              'url-watches.json',
+             'secret.txt',
              'notification.txt',
              'count.txt',
              'endpoint-content.txt'
@@ -42,6 +43,9 @@ def app(request):
     cleanup(app_config['datastore_path'])
     datastore = store.ChangeDetectionStore(datastore_path=app_config['datastore_path'], include_default_watches=False)
     app = changedetection_app(app_config, datastore)
+
+    # Disable CSRF while running tests
+    app.config['WTF_CSRF_ENABLED'] = False
     app.config['STOP_THREADS'] = True
 
     def teardown():

changedetectionio/tests/test_access_control.py

@@ -1,20 +1,20 @@
 from flask import url_for
-
+from . util import live_server_setup
 
 def test_check_access_control(app, client):
     # Still doesnt work, but this is closer.
 
-    with app.test_client() as c:
-        # Check we dont have any password protection enabled yet.
+    with app.test_client(use_cookies=True) as c:
+        # Check we don't have any password protection enabled yet.
         res = c.get(url_for("settings_page"))
         assert b"Remove password" not in res.data
 
         # Enable password check.
         res = c.post(
             url_for("settings_page"),
-            data={"password": "foobar",
-                  "minutes_between_check": 180,
-                  'fetch_backend': "html_requests"},
+            data={"application-password": "foobar",
+                  "requests-minutes_between_check": 180,
+                  'application-fetch_backend': "html_requests"},
             follow_redirects=True
         )
 
@@ -46,63 +46,34 @@ def test_check_access_control(app, client):
         assert b"BACKUP" in res.data
         assert b"IMPORT" in res.data
         assert b"LOG OUT" in res.data
+        assert b"minutes_between_check" in res.data
+        assert b"fetch_backend" in res.data
 
-        # Now remove the password so other tests function, @todo this should happen before each test automatically
-        res = c.get(url_for("settings_page", removepassword="yes"),
-              follow_redirects=True)
+        ##################################################
+        # Remove password button, and check that it worked
+        ##################################################
+        res = c.post(
+            url_for("settings_page"),
+            data={
+                "requests-minutes_between_check": 180,
+                "application-fetch_backend": "html_webdriver",
+                "application-removepassword_button": "Remove password"
+            },
+            follow_redirects=True,
+        )
         assert b"Password protection removed." in res.data
-
-        res = c.get(url_for("index"))
         assert b"LOG OUT" not in res.data
 
-
-# There was a bug where saving the settings form would submit a blank password
-def test_check_access_control_no_blank_password(app, client):
-    # Still doesnt work, but this is closer.
-
-    with app.test_client() as c:
-        # Check we dont have any password protection enabled yet.
-        res = c.get(url_for("settings_page"))
-        assert b"Remove password" not in res.data
-
-        # Enable password check.
+        ############################################################
+        # Be sure a blank password doesnt setup password protection
+        ############################################################
         res = c.post(
             url_for("settings_page"),
-            data={"password": "",
-                  "minutes_between_check": 180,
-                  'fetch_backend': "html_requests"},
-
-        follow_redirects=True
-        )
-
-        assert b"Password protection enabled." not in res.data
-        assert b"Login" not in res.data
-
-
-# There was a bug where saving the settings form would submit a blank password
-def test_check_access_no_remote_access_to_remove_password(app, client):
-    # Still doesnt work, but this is closer.
-
-    with app.test_client() as c:
-        # Check we dont have any password protection enabled yet.
-        res = c.get(url_for("settings_page"))
-        assert b"Remove password" not in res.data
-
-        # Enable password check.
-        res = c.post(
-            url_for("settings_page"),
-            data={"password": "password", "minutes_between_check": 180,
-                  'fetch_backend': "html_requests"},
+            data={"application-password": "",
+                  "requests-minutes_between_check": 180,
+                  'application-fetch_backend': "html_requests"},
             follow_redirects=True
         )
 
-        assert b"Password protection enabled." in res.data
-        assert b"Login" in res.data
+        assert b"Password protection enabled" not in res.data
 
-        res = c.get(url_for("settings_page", removepassword="yes"),
-              follow_redirects=True)
-        assert b"Password protection removed." not in res.data
-
-        res = c.get(url_for("index"),
-              follow_redirects=True)
-        assert b"watch-table-wrapper" not in res.data

changedetectionio/tests/test_api.py

@@ -14,7 +14,6 @@ def set_response_data(test_return_data):
 
 
 def test_snapshot_api_detects_change(client, live_server):
-
     test_return_data = "Some initial text"
 
     test_return_data_modified = "Some NEW nice initial text"
@@ -27,7 +26,8 @@ def test_snapshot_api_detects_change(client, live_server):
     time.sleep(1)
 
     # Add our URL to the import page
-    test_url = url_for('test_endpoint', _external=True)
+    test_url = url_for('test_endpoint', content_type="text/plain",
+                       _external=True)
     res = client.post(
         url_for("import_page"),
         data={"urls": test_url},

changedetectionio/tests/test_backend.py

@@ -7,6 +7,13 @@ from . util import set_original_response, set_modified_response, live_server_set
 
 sleep_time_for_fetch_thread = 3
 
+# Basic test to check inscriptus is not adding return line chars, basically works etc
+def test_inscriptus():
+    from inscriptis import get_text
+    html_content="<html><body>test!<br/>ok man</body></html>"
+    stripped_text_from_html = get_text(html_content)
+    assert stripped_text_from_html == 'test!\nok man'
+
 
 def test_check_basic_change_detection_functionality(client, live_server):
     set_original_response()
@@ -18,6 +25,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
         data={"urls": url_for('test_endpoint', _external=True)},
         follow_redirects=True
     )
+
     assert b"1 Imported" in res.data
 
     time.sleep(sleep_time_for_fetch_thread)
@@ -42,6 +50,14 @@ def test_check_basic_change_detection_functionality(client, live_server):
 
     #####################
 
+    # Check HTML conversion detected and workd
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+    # Check this class does not appear (that we didnt see the actual source)
+    assert b'foobar-detection' not in res.data
+
     # Make a change
     set_modified_response()
 
@@ -50,7 +66,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
 
     # Force recheck
     res = client.get(url_for("api_watch_checknow"), follow_redirects=True)
-    assert b'1 watches are rechecking.' in res.data
+    assert b'1 watches are queued for rechecking.' in res.data
 
     time.sleep(sleep_time_for_fetch_thread)
 
@@ -62,6 +78,11 @@ def test_check_basic_change_detection_functionality(client, live_server):
     res = client.get(url_for("rss"))
     expected_url = url_for('test_endpoint', _external=True)
     assert b'<rss' in res.data
+
+    # re #16 should have the diff in here too
+    assert b'(into   ) which has this one new line' in res.data
+    assert b'CDATA' in res.data
+    
     assert expected_url.encode('utf-8') in res.data
 
     # Following the 'diff' link, it should no longer display as 'unviewed' even after we recheck it a few times
@@ -88,7 +109,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
     # Enable auto pickup of <title> in settings
     res = client.post(
         url_for("settings_page"),
-        data={"extract_title_as_title": "1", "minutes_between_check": 180, 'fetch_backend': "html_requests"},
+        data={"application-extract_title_as_title": "1", "requests-minutes_between_check": 180, 'application-fetch_backend': "html_requests"},
         follow_redirects=True
     )
 

changedetectionio/tests/test_element_removal.py

@@ -0,0 +1,168 @@
+#!/usr/bin/python3
+
+import time
+
+from flask import url_for
+
+from ..html_tools import *
+from .util import live_server_setup
+
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+
+def set_original_response():
+    test_return_data = """<html>
+    <header>
+    <h2>Header</h2>
+    </header>
+    <nav>
+    <ul>
+      <li><a href="#">A</a></li>
+      <li><a href="#">B</a></li>
+      <li><a href="#">C</a></li>
+    </ul>
+    </nav>
+       <body>
+     Some initial text</br>
+     <p>Which is across multiple lines</p>
+     </br>
+     So let's see what happens.  </br>
+    <div id="changetext">Some text that will change</div>
+     </body>
+    <footer>
+    <p>Footer</p>
+    </footer>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+def set_modified_response():
+    test_return_data = """<html>
+    <header>
+    <h2>Header changed</h2>
+    </header>
+    <nav>
+    <ul>
+      <li><a href="#">A changed</a></li>
+      <li><a href="#">B</a></li>
+      <li><a href="#">C</a></li>
+    </ul>
+    </nav>
+       <body>
+     Some initial text</br>
+     <p>Which is across multiple lines</p>
+     </br>
+     So let's see what happens.  </br>
+    <div id="changetext">Some text that changes</div>
+     </body>
+    <footer>
+    <p>Footer changed</p>
+    </footer>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+def test_element_removal_output():
+    from changedetectionio import fetch_site_status
+    from inscriptis import get_text
+
+    # Check text with sub-parts renders correctly
+    content = """<html>
+    <header>
+    <h2>Header</h2>
+    </header>
+    <nav>
+    <ul>
+      <li><a href="#">A</a></li>
+    </ul>
+    </nav>
+       <body>
+     Some initial text</br>
+     <p>across multiple lines</p>
+     <div id="changetext">Some text that changes</div>
+     </body>
+    <footer>
+    <p>Footer</p>
+    </footer>
+     </html>
+    """
+    html_blob = element_removal(
+        ["header", "footer", "nav", "#changetext"], html_content=content
+    )
+    text = get_text(html_blob)
+    assert (
+        text
+        == """Some initial text
+
+across multiple lines
+"""
+    )
+
+
+def test_element_removal_full(client, live_server):
+    sleep_time_for_fetch_thread = 3
+
+    set_original_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # Add our URL to the import page
+    test_url = url_for("test_endpoint", _external=True)
+    res = client.post(
+        url_for("import_page"), data={"urls": test_url}, follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    # Goto the edit page, add the filter data
+    # Not sure why \r needs to be added - absent of the #changetext this is not necessary
+    subtractive_selectors_data = "header\r\nfooter\r\nnav\r\n#changetext"
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={
+            "subtractive_selectors": subtractive_selectors_data,
+            "url": test_url,
+            "tag": "",
+            "headers": "",
+            "fetch_backend": "html_requests",
+        },
+        follow_redirects=True,
+    )
+    assert b"Updated watch." in res.data
+
+    # Check it saved
+    res = client.get(
+        url_for("edit_page", uuid="first"),
+    )
+    assert bytes(subtractive_selectors_data.encode("utf-8")) in res.data
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # No change yet - first check
+    res = client.get(url_for("index"))
+    assert b"unviewed" not in res.data
+
+    #  Make a change to header/footer/nav
+    set_modified_response()
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # There should not be an unviewed change, as changes should be removed
+    res = client.get(url_for("index"))
+    assert b"unviewed" not in res.data

changedetectionio/tests/test_encoding.py

@@ -0,0 +1,87 @@
+#!/usr/bin/python3
+# coding=utf-8
+
+import time
+from flask import url_for
+from .util import live_server_setup
+import pytest
+
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+
+def set_html_response():
+    test_return_data = """
+<html><body><span class="nav_second_img_text">
+                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;铸大国重器，挺制造脊梁，致力能源未来，赋能美好生活。
+                                  </span>
+</body></html>
+    """
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+    return None
+
+
+# In the case the server does not issue a charset= or doesnt have content_type header set
+def test_check_encoding_detection(client, live_server):
+    set_html_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', content_type="text/html", _external=True)
+    client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(2)
+
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    # Should see the proper string
+    assert "铸大国重".encode('utf-8') in res.data
+    # Should not see the failed encoding
+    assert b'\xc2\xa7' not in res.data
+
+
+# In the case the server does not issue a charset= or doesnt have content_type header set
+def test_check_encoding_detection_missing_content_type_header(client, live_server):
+    set_html_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', _external=True)
+    client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(2)
+
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    # Should see the proper string
+    assert "铸大国重".encode('utf-8') in res.data
+    # Should not see the failed encoding
+    assert b'\xc2\xa7' not in res.data

changedetectionio/tests/test_errorhandling.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 
 import time
+
 from flask import url_for
 from . util import live_server_setup
 
@@ -17,7 +18,9 @@ def test_error_handler(client, live_server):
     time.sleep(1)
 
     # Add our URL to the import page
-    test_url = url_for('test_endpoint_403_error', _external=True)
+    test_url = url_for('test_endpoint',
+                       status_code=403,
+                       _external=True)
     res = client.post(
         url_for("import_page"),
         data={"urls": test_url},

changedetectionio/tests/test_html_to_text.py

@@ -0,0 +1,38 @@
+#!/usr/bin/python3
+"""Test suite for the method to extract text from an html string"""
+from ..html_tools import html_to_text
+
+
+def test_html_to_text_func():
+    test_html = """<html>
+       <body>
+     Some initial text</br>
+     <p>Which is across multiple lines</p>
+     <a href="/first_link"> More Text </a>
+     </br>
+     So let's see what happens.  </br>
+     <a href="second_link.com"> Even More Text </a>
+     </body>
+     </html>
+    """
+
+    # extract text, with 'render_anchor_tag_content' set to False
+    text_content = html_to_text(test_html, render_anchor_tag_content=False)
+
+    no_links_text = \
+        "Some initial text\n\nWhich is across multiple " \
+        "lines\n\nMore Text So let's see what happens. Even More Text"
+
+    # check that no links are in the extracted text
+    assert text_content == no_links_text
+
+    # extract text, with 'render_anchor_tag_content' set to True
+    text_content = html_to_text(test_html, render_anchor_tag_content=True)
+
+    links_text = \
+        "Some initial text\n\nWhich is across multiple lines\n\n[ More Text " \
+        "](/first_link) So let's see what happens. [ Even More Text ]" \
+        "(second_link.com)"
+
+    # check that links are present in the extracted text
+    assert text_content == links_text

changedetectionio/tests/test_ignore_regex_text.py

@@ -3,6 +3,7 @@
 import time
 from flask import url_for
 from . util import live_server_setup
+from changedetectionio import html_tools
 
 def test_setup(live_server):
     live_server_setup(live_server)
@@ -23,7 +24,7 @@ def test_strip_regex_text_func():
     ignore_lines = ["sometimes", "/\s\d{2,3}\s/", "/ignore-case text/"]
 
     fetcher = fetch_site_status.perform_site_check(datastore=False)
-    stripped_content = fetcher.strip_ignore_text(test_content, ignore_lines)
+    stripped_content = html_tools.strip_ignore_text(test_content, ignore_lines)
 
     assert b"but 1 lines" in stripped_content
     assert b"igNORe-cAse text" not in stripped_content

changedetectionio/tests/test_ignore_text.py

@@ -3,6 +3,7 @@
 import time
 from flask import url_for
 from . util import live_server_setup
+from changedetectionio import html_tools
 
 def test_setup(live_server):
     live_server_setup(live_server)
@@ -23,7 +24,7 @@ def test_strip_text_func():
     ignore_lines = ["sometimes"]
 
     fetcher = fetch_site_status.perform_site_check(datastore=False)
-    stripped_content = fetcher.strip_ignore_text(test_content, ignore_lines)
+    stripped_content = html_tools.strip_ignore_text(test_content, ignore_lines)
 
     assert b"sometimes" not in stripped_content
     assert b"Some content" in stripped_content
@@ -52,6 +53,8 @@ def set_modified_original_ignore_response():
      <p>Which is across multiple lines</p>
      </br>
      So let's see what happens.  </br>
+     <p>new ignore stuff</p>
+     <p>blah</p>
      </body>
      </html>
 
@@ -67,7 +70,7 @@ def set_modified_ignore_response():
        <body>
      Some initial text</br>
      <p>Which is across multiple lines</p>
-     <P>ZZZZZ</P>
+     <P>ZZZZz</P>
      </br>
      So let's see what happens.  </br>
      </body>
@@ -82,7 +85,8 @@ def set_modified_ignore_response():
 def test_check_ignore_text_functionality(client, live_server):
     sleep_time_for_fetch_thread = 3
 
-    ignore_text = "XXXXX\r\nYYYYY\r\nZZZZZ"
+    # Use a mix of case in ZzZ to prove it works case-insensitive.
+    ignore_text = "XXXXX\r\nYYYYY\r\nzZzZZ\r\nnew ignore stuff"
     set_original_ignore_response()
 
     # Give the endpoint time to spin up
@@ -142,13 +146,25 @@ def test_check_ignore_text_functionality(client, live_server):
     assert b'unviewed' not in res.data
     assert b'/test-endpoint' in res.data
 
+
+
+
+
     # Just to be sure.. set a regular modified change..
     set_modified_original_ignore_response()
     client.get(url_for("api_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
+
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
 
+    # Check the preview/highlighter, we should be able to see what we ignored, but it should be highlighted
+    # We only introduce the "modified" content that includes what we ignore so we can prove the newest version also displays
+    # at /preview
+    res = client.get(url_for("preview_page", uuid="first"))
+    # We should be able to see what we ignored
+    assert b'<div class="ignored">new ignore stuff' in res.data
+
     res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
 
@@ -180,9 +196,9 @@ def test_check_global_ignore_text_functionality(client, live_server):
     res = client.post(
         url_for("settings_page"),
         data={
-            "minutes_between_check": 180,
-            "global_ignore_text": ignore_text,
-            'fetch_backend': "html_requests"
+            "requests-minutes_between_check": 180,
+            "application-global_ignore_text": ignore_text,
+            'application-fetch_backend': "html_requests"
         },
         follow_redirects=True
     )

changedetectionio/tests/test_ignorehyperlinks.py

@@ -0,0 +1,219 @@
+#!/usr/bin/python3
+"""Test suite for the render/not render anchor tag content functionality"""
+
+import time
+from flask import url_for
+from .util import live_server_setup
+
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+def set_original_ignore_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <a href="/original_link"> Some More Text </a>
+     </br>
+     So let's see what happens.  </br>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+# Should be the same as set_original_ignore_response() but with a different
+# link
+def set_modified_ignore_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <a href="/modified_link"> Some More Text </a>
+     </br>
+     So let's see what happens.  </br>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+def test_render_anchor_tag_content_true(client, live_server):
+    """Testing that the link changes are detected when
+    render_anchor_tag_content setting is set to true"""
+    sleep_time_for_fetch_thread = 3
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # set original html text
+    set_original_ignore_response()
+
+    # Goto the settings page, choose not to ignore links
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-minutes_between_check": 180,
+            "application-render_anchor_tag_content": "true",
+            "application-fetch_backend": "html_requests",
+        },
+        follow_redirects=True,
+    )
+    assert b"Settings updated." in res.data
+
+    # Add our URL to the import page
+    test_url = url_for("test_endpoint", _external=True)
+    res = client.post(
+        url_for("import_page"), data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # set a new html text with a modified link
+    set_modified_ignore_response()
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # check that the anchor tag content is rendered
+    res = client.get(url_for("preview_page", uuid="first"))
+    assert '(/modified_link)' in res.data.decode()
+
+    # since the link has changed, and we chose to render anchor tag content,
+    # we should detect a change (new 'unviewed' class)
+    res = client.get(url_for("index"))
+    assert b"unviewed" in res.data
+    assert b"/test-endpoint" in res.data
+
+    # Cleanup everything
+    res = client.get(url_for("api_delete", uuid="all"),
+                     follow_redirects=True)
+    assert b'Deleted' in res.data
+
+
+def test_render_anchor_tag_content_false(client, live_server):
+    """Testing that anchor tag content changes are ignored when
+    render_anchor_tag_content setting is set to false"""
+    sleep_time_for_fetch_thread = 3
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # set the original html text
+    set_original_ignore_response()
+
+    # Goto the settings page, choose to ignore hyperlinks
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-minutes_between_check": 180,
+            "application-render_anchor_tag_content": "false",
+            "application-fetch_backend": "html_requests",
+        },
+        follow_redirects=True,
+    )
+    assert b"Settings updated." in res.data
+
+    # Add our URL to the import page
+    test_url = url_for("test_endpoint", _external=True)
+    res = client.post(
+        url_for("import_page"), data={"urls": test_url}, follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # set a new html text, with a modified link
+    set_modified_ignore_response()
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # check that the anchor tag content is not rendered
+    res = client.get(url_for("preview_page", uuid="first"))
+    assert '(/modified_link)' not in res.data.decode()
+
+    # even though the link has changed, we shouldn't detect a change since
+    # we selected to not render anchor tag content (no new 'unviewed' class)
+    res = client.get(url_for("index"))
+    assert b"unviewed" not in res.data
+    assert b"/test-endpoint" in res.data
+
+    # Cleanup everything
+    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+
+
+def test_render_anchor_tag_content_default(client, live_server):
+    """Testing that anchor tag content changes are ignored when the
+    render_anchor_tag_content setting is not explicitly selected"""
+    sleep_time_for_fetch_thread = 3
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # set the original html text
+    set_original_ignore_response()
+
+    # Goto the settings page, not passing the render_anchor_tag_content setting
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-minutes_between_check": 180,
+            "application-fetch_backend": "html_requests",
+        },
+        follow_redirects=True,
+    )
+    assert b"Settings updated." in res.data
+
+    # Add our URL to the import page
+    test_url = url_for("test_endpoint", _external=True)
+    res = client.post(
+        url_for("import_page"), data={"urls": test_url}, follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # set a new html text, with a modified link
+    set_modified_ignore_response()
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # check that the anchor tag content is not rendered
+    res = client.get(url_for("preview_page", uuid="first"))
+    assert '(/modified_link)' not in res.data.decode()
+
+    # even though the link has changed, we shouldn't detect a change since
+    # we did not select the setting and the default behaviour is to not
+    # render anchor tag content (no new 'unviewed' class)
+    res = client.get(url_for("index"))
+    assert b"unviewed" not in res.data
+    assert b"/test-endpoint" in res.data
+
+    # Cleanup everything
+    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data

changedetectionio/tests/test_ignorestatuscode.py

@@ -0,0 +1,190 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from . util import live_server_setup
+
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+
+def set_original_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <p>Which is across multiple lines</p>
+     </br>
+     So let's see what happens.  </br>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+def set_some_changed_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <p>Which is across multiple lines, and a new thing too.</p>
+     </br>
+     So let's see what happens.  </br>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+def test_normal_page_check_works_with_ignore_status_code(client, live_server):
+    sleep_time_for_fetch_thread = 3
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    set_original_response()
+
+    # Goto the settings page, add our ignore text
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-minutes_between_check": 180,
+            "application-ignore_status_codes": "y",
+            'application-fetch_backend': "html_requests"
+        },
+        follow_redirects=True
+    )
+    assert b"Settings updated." in res.data
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', _external=True)
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    set_some_changed_response()
+    time.sleep(sleep_time_for_fetch_thread)
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # It should report nothing found (no new 'unviewed' class)
+    res = client.get(url_for("index"))
+    assert b'unviewed' in res.data
+    assert b'/test-endpoint' in res.data
+
+
+# Tests the whole stack works with staus codes ignored
+def test_403_page_check_works_with_ignore_status_code(client, live_server):
+    sleep_time_for_fetch_thread = 3
+
+    set_original_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', status_code=403, _external=True)
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Goto the edit page, check our ignore option
+    # Add our URL to the import page
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"ignore_status_codes": "y", "url": test_url, "tag": "", "headers": "", 'fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+    #  Make a change
+    set_some_changed_response()
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # It should have 'unviewed' still
+    # Because it should be looking at only that 'sametext' id
+    res = client.get(url_for("index"))
+    assert b'unviewed' in res.data
+
+
+# Tests the whole stack works with staus codes ignored
+def test_403_page_check_fails_without_ignore_status_code(client, live_server):
+    sleep_time_for_fetch_thread = 3
+
+    set_original_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', status_code=403, _external=True)
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Goto the edit page, check our ignore option
+    # Add our URL to the import page
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"url": test_url, "tag": "", "headers": "", 'fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+    #  Make a change
+    set_some_changed_response()
+
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # It should have 'unviewed' still
+    # Because it should be looking at only that 'sametext' id
+    res = client.get(url_for("index"))
+    assert b'Status Code 403' in res.data

changedetectionio/tests/test_ignorewhitespace.py

@@ -61,9 +61,9 @@ def test_check_ignore_whitespace(client, live_server):
     res = client.post(
         url_for("settings_page"),
         data={
-            "minutes_between_check": 180,
-            "ignore_whitespace": "y",
-            'fetch_backend': "html_requests"
+            "requests-minutes_between_check": 180,
+            "application-ignore_whitespace": "y",
+            "application-fetch_backend": "html_requests"
         },
         follow_redirects=True
     )

changedetectionio/tests/test_import.py

@@ -0,0 +1,28 @@
+#!/usr/bin/python3
+
+import time
+
+from flask import url_for
+
+from .util import live_server_setup
+
+
+def test_import(client, live_server):
+
+    live_server_setup(live_server)
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+
+    res = client.post(
+        url_for("import_page"),
+        data={
+            "urls": """https://example.com
+https://example.com tag1
+https://example.com tag1, other tag"""
+        },
+        follow_redirects=True,
+    )
+    assert b"3 Imported" in res.data
+    assert b"tag1" in res.data
+    assert b"other tag" in res.data

changedetectionio/tests/test_jsonpath_selector.py

@@ -1,4 +1,5 @@
 #!/usr/bin/python3
+# coding=utf-8
 
 import time
 from flask import url_for
@@ -142,7 +143,7 @@ def set_modified_response():
         }
       ],
       "boss": {
-        "name": "Foobar"
+        "name": "Örnsköldsvik"
       },
       "available": false
     }
@@ -162,7 +163,7 @@ def test_check_json_without_filter(client, live_server):
     time.sleep(1)
 
     # Add our URL to the import page
-    test_url = url_for('test_endpoint_json', _external=True)
+    test_url = url_for('test_endpoint', content_type="application/json", _external=True)
     client.post(
         url_for("import_page"),
         data={"urls": test_url},
@@ -193,7 +194,7 @@ def test_check_json_filter(client, live_server):
     time.sleep(1)
 
     # Add our URL to the import page
-    test_url = url_for('test_endpoint', _external=True)
+    test_url = url_for('test_endpoint', content_type="application/json", _external=True)
     res = client.post(
         url_for("import_page"),
         data={"urls": test_url},
@@ -246,8 +247,10 @@ def test_check_json_filter(client, live_server):
 
     # Should not see this, because its not in the JSONPath we entered
     res = client.get(url_for("diff_history_page", uuid="first"))
+
     # But the change should be there, tho its hard to test the change was detected because it will show old and new versions
-    assert b'Foobar' in res.data
+    # And #462 - check we see the proper utf-8 string there
+    assert "Örnsköldsvik".encode('utf-8') in res.data
 
 
 def test_check_json_filter_bool_val(client, live_server):
@@ -258,7 +261,7 @@ def test_check_json_filter_bool_val(client, live_server):
     # Give the endpoint time to spin up
     time.sleep(1)
 
-    test_url = url_for('test_endpoint', _external=True)
+    test_url = url_for('test_endpoint', content_type="application/json", _external=True)
 
     res = client.post(
         url_for("import_page"),
@@ -313,7 +316,7 @@ def test_check_json_ext_filter(client, live_server):
     time.sleep(1)
 
     # Add our URL to the import page
-    test_url = url_for('test_endpoint', _external=True)
+    test_url = url_for('test_endpoint', content_type="application/json", _external=True)
     res = client.post(
         url_for("import_page"),
         data={"urls": test_url},

changedetectionio/tests/test_notification.py

@@ -2,15 +2,17 @@ import os
 import time
 import re
 from flask import url_for
-from . util import set_original_response, set_modified_response, live_server_setup
+from . util import set_original_response, set_modified_response, set_more_modified_response, live_server_setup
 import logging
 from changedetectionio.notification import default_notification_body, default_notification_title
 
+def test_setup(live_server):
+    live_server_setup(live_server)
+
 # Hard to just add more live server URLs when one test is already running (I think)
 # So we add our test here (was in a different file)
 def test_check_notification(client, live_server):
 
-    live_server_setup(live_server)
     set_original_response()
 
     # Give the endpoint time to spin up
@@ -49,83 +51,76 @@ def test_check_notification(client, live_server):
     notification_url = url.replace('http', 'json')
 
     print (">>>> Notification URL: "+notification_url)
+
+    notification_form_data = {"notification_urls": notification_url,
+                              "notification_title": "New ChangeDetection.io Notification - {watch_url}",
+                              "notification_body": "BASE URL: {base_url}\n"
+                                                   "Watch URL: {watch_url}\n"
+                                                   "Watch UUID: {watch_uuid}\n"
+                                                   "Watch title: {watch_title}\n"
+                                                   "Watch tag: {watch_tag}\n"
+                                                   "Preview: {preview_url}\n"
+                                                   "Diff URL: {diff_url}\n"
+                                                   "Snapshot: {current_snapshot}\n"
+                                                   "Diff: {diff}\n"
+                                                   "Diff Full: {diff_full}\n"
+                                                   ":-)",
+                              "notification_format": "Text"}
+
+    notification_form_data.update({
+        "url": test_url,
+        "tag": "my tag",
+        "title": "my title",
+        "headers": "",
+        "fetch_backend": "html_requests"})
+
     res = client.post(
         url_for("edit_page", uuid="first"),
-        data={"notification_urls": notification_url,
-              "notification_title": "New ChangeDetection.io Notification - {watch_url}",
-              "notification_body": "BASE URL: {base_url}\n"
-                                   "Watch URL: {watch_url}\n"
-                                   "Watch UUID: {watch_uuid}\n"
-                                   "Watch title: {watch_title}\n"
-                                   "Watch tag: {watch_tag}\n"
-                                   "Preview: {preview_url}\n"
-                                   "Diff URL: {diff_url}\n"
-                                   "Snapshot: {current_snapshot}\n"
-                                   "Diff: {diff}\n"
-                                   "Diff Full: {diff_full}\n"
-                                   ":-)",
-              "notification_format": "Text",
-              "url": test_url,
-              "tag": "my tag",
-              "title": "my title",
-              "headers": "",
-              "fetch_backend": "html_requests",
-              "trigger_check": "y"},
+        data=notification_form_data,
         follow_redirects=True
     )
     assert b"Updated watch." in res.data
-    assert b"Test notification queued" in res.data
+
 
     # Hit the edit page, be sure that we saved it
+    # Re #242 - wasnt saving?
     res = client.get(
         url_for("edit_page", uuid="first"))
     assert bytes(notification_url.encode('utf-8')) in res.data
-
-    # Re #242 - wasnt saving?
     assert bytes("New ChangeDetection.io Notification".encode('utf-8')) in res.data
 
 
 
-    # Because we hit 'send test notification on save'
+    ## Now recheck, and it should have sent the notification
     time.sleep(3)
+    set_modified_response()
 
     notification_submission = None
 
+    # Trigger a check
+    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    time.sleep(3)
     # Verify what was sent as a notification, this file should exist
     with open("test-datastore/notification.txt", "r") as f:
         notification_submission = f.read()
-        # Did we see the URL that had a change, in the notification?
-
-    assert test_url in notification_submission
-
     os.unlink("test-datastore/notification.txt")
 
-    set_modified_response()
-
-    # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
-
-    # Give the thread time to pick it up
-    time.sleep(3)
-
-    # Did the front end see it?
-    res = client.get(
-        url_for("index"))
-
-    assert bytes("just now".encode('utf-8')) in res.data
-
-    notification_submission=None
-    # Verify what was sent as a notification
-    with open("test-datastore/notification.txt", "r") as f:
-        notification_submission = f.read()
-        # Did we see the URL that had a change, in the notification?
-
-    assert test_url in notification_submission
-
+    # Did we see the URL that had a change, in the notification?
     # Diff was correctly executed
-    assert "Diff Full: (changed) Which is across multiple lines" in notification_submission
-    assert "(-> into) which has this one new line" in notification_submission
-
+    assert test_url in notification_submission
+    assert ':-)' in notification_submission
+    assert "Diff Full: Some initial text" in notification_submission
+    assert "Diff: (changed) Which is across multiple lines" in notification_submission
+    assert "(into   ) which has this one new line" in notification_submission
+    # Re #342 - check for accidental python byte encoding of non-utf8/string
+    assert "b'" not in notification_submission
+    assert re.search('Watch UUID: [0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}', notification_submission, re.IGNORECASE)
+    assert "Watch title: my title" in notification_submission
+    assert "Watch tag: my tag" in notification_submission
+    assert "diff/" in notification_submission
+    assert "preview/" in notification_submission
+    assert ":-)" in notification_submission
+    assert "New ChangeDetection.io Notification - {}".format(test_url) in notification_submission
 
     if env_base_url:
         # Re #65 - did we see our BASE_URl ?
@@ -134,50 +129,17 @@ def test_check_notification(client, live_server):
     else:
         logging.debug(">>> Skipping BASE_URL check")
 
-    ##  Now configure something clever, we go into custom config (non-default) mode, this is returned by the endpoint
-    with open("test-datastore/endpoint-content.txt", "w") as f:
-        f.write(";jasdhflkjadshf kjhsdfkjl ahslkjf haslkjd hfaklsj hf\njl;asdhfkasj stuff we will detect\n")
 
-    res = client.post(
-        url_for("settings_page"),
-        data={"notification_title": "New ChangeDetection.io Notification - {watch_url}",
-              "notification_urls": "json://foobar.com", #Re #143 should not see that it sent without [test checkbox]
-              "minutes_between_check": 180,
-              "fetch_backend": "html_requests",
-              },
-        follow_redirects=True
-    )
-    assert b"Settings updated." in res.data
-    # Re #143 - should not see this if we didnt hit the test box
-    assert b"Test notification queued" not in res.data
 
-    # Trigger a check
+    # This should insert the {current_snapshot}
+    set_more_modified_response()
     client.get(url_for("api_watch_checknow"), follow_redirects=True)
-
-    # Give the thread time to pick it up
     time.sleep(3)
-
-    # Did the front end see it?
-    res = client.get(
-        url_for("index"))
-
-    assert bytes("just now".encode('utf-8')) in res.data
-
+    # Verify what was sent as a notification, this file should exist
     with open("test-datastore/notification.txt", "r") as f:
         notification_submission = f.read()
-        print ("Notification submission was:", notification_submission)
-        # Re #342 - check for accidental python byte encoding of non-utf8/string
-        assert "b'" not in notification_submission
+    assert "Ohh yeah awesome" in notification_submission
 
-        assert re.search('Watch UUID: [0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}', notification_submission, re.IGNORECASE)
-        assert "Watch title: my title" in notification_submission
-        assert "Watch tag: my tag" in notification_submission
-        assert "diff/" in notification_submission
-        assert "preview/" in notification_submission
-        assert ":-)" in notification_submission
-        assert "New ChangeDetection.io Notification - {}".format(test_url) in notification_submission
-        # This should insert the {current_snapshot}
-        assert "stuff we will detect" in notification_submission
 
     # Prove that "content constantly being marked as Changed with no Updating causes notification" is not a thing
     # https://github.com/dgtlmoon/changedetection.io/discussions/192
@@ -185,33 +147,39 @@ def test_check_notification(client, live_server):
 
     # Trigger a check
     client.get(url_for("api_watch_checknow"), follow_redirects=True)
-    time.sleep(3)
+    time.sleep(1)
     client.get(url_for("api_watch_checknow"), follow_redirects=True)
-    time.sleep(3)
+    time.sleep(1)
     client.get(url_for("api_watch_checknow"), follow_redirects=True)
-    time.sleep(3)
+    time.sleep(1)
     assert os.path.exists("test-datastore/notification.txt") == False
 
-
-    # Now adding a wrong token should give us an error
-    res = client.post(
-        url_for("settings_page"),
-        data={"notification_title": "New ChangeDetection.io Notification - {watch_url}",
-              "notification_body": "Rubbish: {rubbish}\n",
-              "notification_format": "Text",
-              "notification_urls": "json://foobar.com",
-              "minutes_between_check": 180,
-              "fetch_backend": "html_requests"
-              },
+    # cleanup for the next
+    client.get(
+        url_for("api_delete", uuid="first"),
         follow_redirects=True
     )
 
-    assert bytes("is not a valid token".encode('utf-8')) in res.data
+
+def test_notification_validation(client, live_server):
+    #live_server_setup(live_server)
+    time.sleep(3)
+    # re #242 - when you edited an existing new entry, it would not correctly show the notification settings
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', _external=True)
+    res = client.post(
+        url_for("api_watch_add"),
+        data={"url": test_url, "tag": 'nice one'},
+        follow_redirects=True
+    )
+    with open("xxx.bin", "wb") as f:
+        f.write(res.data)
+    assert b"Watch added" in res.data
 
     # Re #360 some validation
     res = client.post(
         url_for("edit_page", uuid="first"),
-        data={"notification_urls": notification_url,
+        data={"notification_urls": 'json://localhost/foobar',
               "notification_title": "",
               "notification_body": "",
               "notification_format": "Text",
@@ -219,9 +187,28 @@ def test_check_notification(client, live_server):
               "tag": "my tag",
               "title": "my title",
               "headers": "",
-              "fetch_backend": "html_requests",
-              "trigger_check": "y"},
+              "fetch_backend": "html_requests"},
         follow_redirects=True
     )
     assert b"Notification Body and Title is required when a Notification URL is used" in res.data
 
+    # Now adding a wrong token should give us an error
+    res = client.post(
+        url_for("settings_page"),
+        data={"application-notification_title": "New ChangeDetection.io Notification - {watch_url}",
+              "application-notification_body": "Rubbish: {rubbish}\n",
+              "application-notification_format": "Text",
+              "application-notification_urls": "json://localhost/foobar",
+              "requests-minutes_between_check": 180,
+              "fetch_backend": "html_requests"
+              },
+        follow_redirects=True
+    )
+
+    assert bytes("is not a valid token".encode('utf-8')) in res.data
+
+    # cleanup for the next
+    client.get(
+        url_for("api_delete", uuid="first"),
+        follow_redirects=True
+    )

changedetectionio/tests/test_notification_errors.py

@@ -0,0 +1,66 @@
+import os
+import time
+import re
+from flask import url_for
+from . util import set_original_response, set_modified_response, live_server_setup
+import logging
+
+def test_check_notification_error_handling(client, live_server):
+
+    live_server_setup(live_server)
+    set_original_response()
+
+    # Give the endpoint time to spin up
+    time.sleep(3)
+
+    # use a different URL so that it doesnt interfere with the actual check until we are ready
+    test_url = url_for('test_endpoint', _external=True)
+    res = client.post(
+        url_for("api_watch_add"),
+        data={"url": "https://changedetection.io/CHANGELOG.txt", "tag": ''},
+        follow_redirects=True
+    )
+    assert b"Watch added" in res.data
+
+    time.sleep(10)
+
+    # Check we capture the failure, we can just use trigger_check = y here
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"notification_urls": "jsons://broken-url.changedetection.io/test",
+              "notification_title": "xxx",
+              "notification_body": "xxxxx",
+              "notification_format": "Text",
+              "url": test_url,
+              "tag": "",
+              "title": "",
+              "headers": "",
+              "minutes_between_check": "180",
+              "fetch_backend": "html_requests",
+              "trigger_check": "y"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    found=False
+    for i in range(1, 10):
+        time.sleep(1)
+        logging.debug("Fetching watch overview....")
+        res = client.get(
+            url_for("index"))
+
+        if bytes("Notification error detected".encode('utf-8')) in res.data:
+            found=True
+            break
+
+
+    assert found
+
+
+    # The error should show in the notification logs
+    res = client.get(
+        url_for("notification_logs"))
+    assert bytes("Name or service not known".encode('utf-8')) in res.data
+
+
+    # And it should be listed on the watch overview

changedetectionio/tests/test_request.py

@@ -77,6 +77,58 @@ def test_body_in_request(client, live_server):
     # Add our URL to the import page
     test_url = url_for('test_body', _external=True)
 
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+
+    time.sleep(3)
+
+    # add the first 'version'
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={
+              "url": test_url,
+              "tag": "",
+              "method": "POST",
+              "fetch_backend": "html_requests",
+              "body": "something something"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    time.sleep(3)
+
+    # Now the change which should trigger a change
+    body_value = 'Test Body Value'
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={
+              "url": test_url,
+              "tag": "",
+              "method": "POST",
+              "fetch_backend": "html_requests",
+              "body": body_value},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    time.sleep(3)
+
+    # The service should echo back the body
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    # If this gets stuck something is wrong, something should always be there
+    assert b"No history found" not in res.data
+    # We should see what we sent in the reply
+    assert str.encode(body_value) in res.data
+
+    ####### data sanity checks
     # Add the test URL twice, we will check
     res = client.post(
         url_for("import_page"),
@@ -85,14 +137,15 @@ def test_body_in_request(client, live_server):
     )
     assert b"1 Imported" in res.data
 
-    res = client.post(
-        url_for("import_page"),
-        data={"urls": test_url},
-        follow_redirects=True
-    )
-    assert b"1 Imported" in res.data
+    watches_with_body = 0
+    with open('test-datastore/url-watches.json') as f:
+        app_struct = json.load(f)
+        for uuid in app_struct['watching']:
+            if app_struct['watching'][uuid]['body']==body_value:
+                watches_with_body += 1
 
-    body_value = 'Test Body Value'
+    # Should be only one with body set
+    assert watches_with_body==1
 
     # Attempt to add a body with a GET method
     res = client.post(
@@ -107,40 +160,6 @@ def test_body_in_request(client, live_server):
     )
     assert b"Body must be empty when Request Method is set to GET" in res.data
 
-    # Add a properly formatted body with a proper method
-    res = client.post(
-        url_for("edit_page", uuid="first"),
-        data={
-              "url": test_url,
-              "tag": "",
-              "method": "POST",
-              "fetch_backend": "html_requests",
-              "body": body_value},
-        follow_redirects=True
-    )
-    assert b"Updated watch." in res.data
-
-    # Give the thread time to pick up the first version
-    time.sleep(5)
-
-    # The service should echo back the body
-    res = client.get(
-        url_for("preview_page", uuid="first"),
-        follow_redirects=True
-    )
-
-    # Check if body returned contains the specified data
-    assert str.encode(body_value) in res.data
-
-    watches_with_body = 0
-    with open('test-datastore/url-watches.json') as f:
-        app_struct = json.load(f)
-        for uuid in app_struct['watching']:
-            if app_struct['watching'][uuid]['body']==body_value:
-                watches_with_body += 1
-
-    # Should be only one with body set
-    assert watches_with_body==1
 
 def test_method_in_request(client, live_server):
     # Add our URL to the import page

changedetectionio/tests/test_security.py

@@ -0,0 +1,36 @@
+from flask import url_for
+from . util import set_original_response, set_modified_response, live_server_setup
+import time
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+def test_file_access(client, live_server):
+
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": 'https://localhost'},
+        follow_redirects=True
+    )
+
+    assert b"1 Imported" in res.data
+
+    # Attempt to add a body with a GET method
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={
+              "url": 'file:///etc/passwd',
+              "tag": "",
+              "method": "GET",
+              "fetch_backend": "html_requests",
+              "body": ""},
+        follow_redirects=True
+    )
+    time.sleep(3)
+
+    res = client.get(
+        url_for("index", uuid="first"),
+        follow_redirects=True
+    )
+
+    assert b'denied for security reasons' in res.data

changedetectionio/tests/test_source.py

@@ -0,0 +1,95 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from urllib.request import urlopen
+from .util import set_original_response, set_modified_response, live_server_setup
+
+sleep_time_for_fetch_thread = 3
+
+def test_setup(live_server):
+    live_server_setup(live_server)
+
+def test_check_basic_change_detection_functionality_source(client, live_server):
+    set_original_response()
+    test_url = 'source:'+url_for('test_endpoint', _external=True)
+    # Add our URL to the import page
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+
+    #####################
+
+    # Check HTML conversion detected and workd
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    # Check this class DOES appear (that we didnt see the actual source)
+    assert b'foobar-detection' in res.data
+
+    # Make a change
+    set_modified_response()
+
+    # Force recheck
+    res = client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    assert b'1 watches are queued for rechecking.' in res.data
+
+    time.sleep(5)
+
+    # Now something should be ready, indicated by having a 'unviewed' class
+    res = client.get(url_for("index"))
+    assert b'unviewed' in res.data
+
+    res = client.get(
+        url_for("diff_history_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    assert b'<title>modified head title' in res.data
+
+
+
+
+def test_check_ignore_elements(client, live_server):
+    set_original_response()
+
+    time.sleep(2)
+    test_url = 'source:'+url_for('test_endpoint', _external=True)
+    # Add our URL to the import page
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+
+    assert b"1 Imported" in res.data
+
+    time.sleep(sleep_time_for_fetch_thread)
+
+    #####################
+    # We want <span> and <p> ONLY, but ignore span with .foobar-detection
+
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"css_filter": 'span,p', "url": test_url, "tag": "", "subtractive_selectors": ".foobar-detection", 'fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+
+    time.sleep(sleep_time_for_fetch_thread)
+
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    assert b'foobar-detection' not in res.data
+    assert b'&lt;br' not in res.data
+    assert b'&lt;p' in res.data

changedetectionio/tests/test_trigger.py

@@ -129,3 +129,8 @@ def test_trigger_functionality(client, live_server):
     time.sleep(sleep_time_for_fetch_thread)
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
+
+    # Check the preview/highlighter, we should be able to see what we triggered on, but it should be highlighted
+    res = client.get(url_for("preview_page", uuid="first"))
+    # We should be able to see what we ignored
+    assert b'<div class="triggered">foobar' in res.data

changedetectionio/tests/test_watch_fields_storage.py

@@ -56,8 +56,8 @@ def test_check_recheck_global_setting(client, live_server):
     res = client.post(
         url_for("settings_page"),
         data={
-               "minutes_between_check": 1566,
-               'fetch_backend': "html_requests"
+               "requests-minutes_between_check": 1566,
+               'application-fetch_backend': "html_requests"
                },
         follow_redirects=True
     )
@@ -88,8 +88,8 @@ def test_check_recheck_global_setting(client, live_server):
     res = client.post(
         url_for("settings_page"),
         data={
-               "minutes_between_check": 222,
-                'fetch_backend': "html_requests"
+               "requests-minutes_between_check": 222,
+                'application-fetch_backend': "html_requests"
                },
         follow_redirects=True
     )
@@ -124,8 +124,8 @@ def test_check_recheck_global_setting(client, live_server):
     res = client.post(
         url_for("settings_page"),
         data={
-               "minutes_between_check": 666,
-                'fetch_backend': "html_requests"
+               "requests-minutes_between_check": 666,
+                'application-fetch_backend': "html_requests"
                },
         follow_redirects=True
     )

changedetectionio/tests/test_xpath_selector.py

@@ -96,6 +96,7 @@ def test_check_markup_xpath_filter_restriction(client, live_server):
     res = client.get(url_for("index"))
     assert b'unviewed' not in res.data
 
+
 def test_xpath_validation(client, live_server):
 
     # Give the endpoint time to spin up

changedetectionio/tests/unit/test-content/after-2.txt

@@ -0,0 +1,3 @@
+After twenty years, as cursed as I may be
+ok
+and insure that I'm one of those computer nerds.

changedetectionio/tests/unit/test-content/after.txt

@@ -2,5 +2,6 @@ After twenty years, as cursed as I may be
 for having learned computerese,
 I continue to examine bits, bytes and words
 xok
+next-x-ok
 and insure that I'm one of those computer nerds.
 and something new

changedetectionio/tests/unit/test_notification_diff.py

@@ -12,12 +12,19 @@ from changedetectionio import diff
 class TestDiffBuilder(unittest.TestCase):
 
     def test_expected_diff_output(self):
-        base_dir=os.path.dirname(__file__)
-        output = diff.render_diff(base_dir+"/test-content/before.txt", base_dir+"/test-content/after.txt")
+        base_dir = os.path.dirname(__file__)
+        output = diff.render_diff(previous_file=base_dir + "/test-content/before.txt", newest_file=base_dir + "/test-content/after.txt")
         output = output.split("\n")
-        self.assertIn("(changed) ok", output)
-        self.assertIn("(-> into) xok", output)
-        self.assertIn("(added) and something new", output)
+        self.assertIn('(changed) ok', output)
+        self.assertIn('(into   ) xok', output)
+        self.assertIn('(into   ) next-x-ok', output)
+        self.assertIn('(added  ) and something new', output)
+
+
+        output = diff.render_diff(previous_file=base_dir + "/test-content/before.txt", newest_file=base_dir + "/test-content/after-2.txt")
+        output = output.split("\n")
+        self.assertIn('(removed) for having learned computerese,', output)
+        self.assertIn('(removed) I continue to examine bits, bytes and words', output)
 
         # @todo test blocks of changed, blocks of added, blocks of removed
 

changedetectionio/tests/util.py

@@ -1,5 +1,6 @@
 #!/usr/bin/python3
 
+from flask import make_response, request
 
 def set_original_response():
     test_return_data = """<html>
@@ -9,6 +10,7 @@ def set_original_response():
      <p>Which is across multiple lines</p>
      </br>
      So let's see what happens.  </br>
+     <span class="foobar-detection" style='display:none'></span>
      </body>
      </html>
     """
@@ -34,38 +36,45 @@ def set_modified_response():
 
     return None
 
+def set_more_modified_response():
+    test_return_data = """<html>
+    <head><title>modified head title</title></head>
+    <body>
+     Some initial text</br>
+     <p>which has this one new line</p>
+     </br>
+     So let's see what happens.  </br>
+     Ohh yeah awesome<br/>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+    return None
+
 
 def live_server_setup(live_server):
 
-
     @live_server.app.route('/test-endpoint')
     def test_endpoint():
-        # Tried using a global var here but didn't seem to work, so reading from a file instead.
-        with open("test-datastore/endpoint-content.txt", "r") as f:
-            return f.read()
+        ctype = request.args.get('content_type')
+        status_code = request.args.get('status_code')
 
-    @live_server.app.route('/test-endpoint-json')
-    def test_endpoint_json():
-
-        from flask import make_response
-
-        with open("test-datastore/endpoint-content.txt", "r") as f:
-            resp = make_response(f.read())
-            resp.headers['Content-Type'] = 'application/json'
-            return resp
-
-    @live_server.app.route('/test-403')
-    def test_endpoint_403_error():
-
-        from flask import make_response
-        resp = make_response('', 403)
-        return resp
+        try:
+            # Tried using a global var here but didn't seem to work, so reading from a file instead.
+            with open("test-datastore/endpoint-content.txt", "r") as f:
+                resp = make_response(f.read(), status_code)
+                resp.headers['Content-Type'] = ctype if ctype else 'text/html'
+                return resp
+        except FileNotFoundError:
+            return make_response('', status_code)
 
     # Just return the headers in the request
     @live_server.app.route('/test-headers')
     def test_headers():
 
-        from flask import request
         output= []
 
         for header in request.headers:
@@ -76,39 +85,30 @@ def live_server_setup(live_server):
     # Just return the body in the request
     @live_server.app.route('/test-body', methods=['POST', 'GET'])
     def test_body():
-
-        from flask import request
-
+        print ("TEST-BODY GOT", request.data, "returning")
         return request.data
 
     # Just return the verb in the request
     @live_server.app.route('/test-method', methods=['POST', 'GET', 'PATCH'])
     def test_method():
-
-        from flask import request
-
         return request.method
 
     # Where we POST to as a notification
     @live_server.app.route('/test_notification_endpoint', methods=['POST', 'GET'])
     def test_notification_endpoint():
-        from flask import request
-
         with open("test-datastore/notification.txt", "wb") as f:
             # Debug method, dump all POST to file also, used to prove #65
             data = request.stream.read()
             if data != None:
                 f.write(data)
 
-        print("\n>> Test notification endpoint was hit.\n")
+        print("\n>> Test notification endpoint was hit.\n", data)
         return "Text was set"
 
 
     # Just return the verb in the request
     @live_server.app.route('/test-basicauth', methods=['GET'])
     def test_basicauth_method():
-
-        from flask import request
         auth = request.authorization
         ret = " ".join([auth.username, auth.password, auth.type])
         return ret

changedetectionio/update_worker.py

@@ -2,6 +2,7 @@ import threading
 import queue
 import time
 
+from changedetectionio import content_fetcher
 # A single update worker
 #
 # Requests for checking on a single site(watch) from a queue of watches
@@ -32,26 +33,23 @@ class update_worker(threading.Thread):
 
             else:
                 self.current_uuid = uuid
-                from changedetectionio import content_fetcher
 
                 if uuid in list(self.datastore.data['watching'].keys()):
 
                     changed_detected = False
                     contents = ""
+                    screenshot = False
                     update_obj= {}
                     now = time.time()
 
                     try:
-
-                        changed_detected, update_obj, contents = update_handler.run(uuid)
+                        changed_detected, update_obj, contents, screenshot = update_handler.run(uuid)
 
                         # Re #342
                         # In Python 3, all strings are sequences of Unicode characters. There is a bytes type that holds raw bytes.
                         # We then convert/.decode('utf-8') for the notification etc
                         if not isinstance(contents, (bytes, bytearray)):
                             raise Exception("Error - returned data from the fetch handler SHOULD be bytes")
-
-
                     except PermissionError as e:
                         self.app.logger.error("File permission error updating", uuid, str(e))
                     except content_fetcher.EmptyReply as e:
@@ -127,8 +125,8 @@ class update_worker(threading.Thread):
                                             'watch_url': watch['url'],
                                             'uuid': uuid,
                                             'current_snapshot': contents.decode('utf-8'),
-                                            'diff_full': diff.render_diff(prev_fname, fname, line_feed_sep=line_feed_sep),
-                                            'diff': diff.render_diff(prev_fname, fname, True, line_feed_sep=line_feed_sep)
+                                            'diff': diff.render_diff(prev_fname, fname, line_feed_sep=line_feed_sep),
+                                            'diff_full': diff.render_diff(prev_fname, fname, True, line_feed_sep=line_feed_sep)
                                         })
 
                                         self.notification_q.put(n_object)
@@ -136,13 +134,21 @@ class update_worker(threading.Thread):
                         except Exception as e:
                             # Catch everything possible here, so that if a worker crashes, we don't lose it until restart!
                             print("!!!! Exception in update_worker !!!\n", e)
+                            self.app.logger.error("Exception reached processing watch UUID: %s - %s", uuid, str(e))
+                            self.datastore.update_watch(uuid=uuid, update_obj={'last_error': str(e)})
 
                     finally:
                         # Always record that we atleast tried
                         self.datastore.update_watch(uuid=uuid, update_obj={'fetch_time': round(time.time() - now, 3),
                                                                            'last_checked': round(time.time())})
+                        # Always save the screenshot if it's available
+                        if screenshot:
+                            self.datastore.save_screenshot(watch_uuid=uuid, screenshot=screenshot)
 
                 self.current_uuid = None  # Done
                 self.q.task_done()
 
+                # Give the CPU time to interrupt
+                time.sleep(0.1)
+
             self.app.config.exit.wait(1)

docker-compose.yml

@@ -1,9 +1,9 @@
 version: '2'
 services:
-    changedetection.io:
+    changedetection:
       image: ghcr.io/dgtlmoon/changedetection.io
-      container_name: changedetection.io
-      hostname: changedetection.io
+      container_name: changedetection
+      hostname: changedetection
       volumes:
         - changedetection-data:/datastore
 

requirements.txt

@@ -1,9 +1,9 @@
 flask~= 2.0
-
+flask_wtf
 eventlet>=0.31.0
 validators
 timeago ~=1.0
-inscriptis ~= 1.2
+inscriptis ~= 2.2
 feedgen ~= 0.9
 flask-login ~= 0.5
 pytz
@@ -13,11 +13,11 @@ requests[socks] ~= 2.26
 urllib3 > 1.26
 chardet > 2.3.0
 
-wtforms ~= 2.3.3
+wtforms ~= 3.0
 jsonpath-ng ~= 1.5.3
 
 # Notification library
-apprise ~= 0.9
+apprise ~= 0.9.8.1
 
 # apprise mqtt https://github.com/dgtlmoon/changedetection.io/issues/315
 paho-mqtt
@@ -34,3 +34,9 @@ lxml
 
 # 3.141 was missing socksVersion, 3.150 was not in pypi, so we try 4.1.0
 selenium ~= 4.1.0
+
+# https://stackoverflow.com/questions/71652965/importerror-cannot-import-name-safe-str-cmp-from-werkzeug-security/71653849#71653849
+# ImportError: cannot import name 'safe_str_cmp' from 'werkzeug.security'
+# need to revisit flask login versions
+werkzeug ~= 2.0.0
+

setup.py

@@ -32,11 +32,11 @@ setup(
     long_description_content_type='text/markdown',
     keywords='website change monitor for changes notification change detection '
              'alerts tracking website tracker change alert website and monitoring',
-    zip_safe=False,
-    entry_points={"console_scripts": ["changedetection.io=changedetection:main"]},
+    entry_points={"console_scripts": ["changedetection.io=changedetectionio.changedetection:main"]},
+    zip_safe=True,
+    scripts=["changedetection.py"],
     author='dgtlmoon',
     url='https://changedetection.io',
-    scripts=['changedetection.py'],
     packages=['changedetectionio'],
     include_package_data=True,
     install_requires=install_requires,