Improve docker-compose browserless docker container, add env var for STEALTH and BLOCK_ADS

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,9 +1,9 @@
 ---
 name: Bug report
-about: Create a report to help us improve
+about: Create a bug report, if you don't follow this template, your report will be DELETED
 title: ''
-labels: ''
-assignees: ''
+labels: 'triage'
+assignees: 'dgtlmoon'
 
 ---
 
@@ -11,15 +11,18 @@ assignees: ''
 A clear and concise description of what the bug is.
 
 **Version**
-In the top right area: 0....
+*Exact version* in the top right area: 0....
 
 **To Reproduce**
+
 Steps to reproduce the behavior:
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
+! ALWAYS INCLUDE AN EXAMPLE URL WHERE IT IS POSSIBLE TO RE-CREATE THE ISSUE - USE THE 'SHARE WATCH' FEATURE AND PASTE IN THE SHARE-LINK!
+
 **Expected behavior**
 A clear and concise description of what you expected to happen.
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,8 +1,8 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-title: ''
-labels: ''
+title: '[feature]'
+labels: 'enhancement'
 assignees: ''
 
 ---

.github/workflows/containers.yml

@@ -85,8 +85,8 @@ jobs:
           version: latest
           driver-opts: image=moby/buildkit:master
 
-      # master always builds :latest
-      - name: Build and push :latest
+      # master branch -> :dev container tag
+      - name: Build and push :dev
         id: docker_build
         if: ${{ github.ref }} == "refs/heads/master"
         uses: docker/build-push-action@v2
@@ -95,12 +95,12 @@ jobs:
           file: ./Dockerfile
           push: true
           tags: |
-            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:latest,ghcr.io/${{ github.repository }}:latest
+            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:dev,ghcr.io/${{ github.repository }}:dev
           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
 
-      # A new tagged release is required, which builds :tag
+      # A new tagged release is required, which builds :tag and :latest
       - name: Build and push :tag
         id: docker_build_tag_release
         if: github.event_name == 'release' && startsWith(github.event.release.tag_name, '0.')
@@ -110,7 +110,10 @@ 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 }}
+            ${{ secrets.DOCKER_HUB_USERNAME }}/changedetection.io:latest
+            ghcr.io/dgtlmoon/changedetection.io: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
@@ -125,5 +128,3 @@ jobs:
           key: ${{ runner.os }}-buildx-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-buildx-
-
-

.gitignore

@@ -8,5 +8,6 @@ __pycache__
 build
 dist
 venv
+test-datastore
 *.egg-info*
 .vscode/settings.json

MANIFEST.in

@@ -1,3 +1,4 @@
+recursive-include changedetectionio/api *
 recursive-include changedetectionio/templates *
 recursive-include changedetectionio/static *
 recursive-include changedetectionio/model *

README.md

@@ -12,7 +12,7 @@ Live your data-life *pro-actively* instead of *re-actively*.
 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"  />](https://lemonade.changedetection.io/start)
+[<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/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)
 
 
 **Get your own private instance now! Let us host it for you!**
@@ -48,26 +48,37 @@ _Need an actual Chrome runner with Javascript support? We support fetching via W
 
 ## Screenshots
 
-Examining differences in content.
+### Examine differences in content.
 
-<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/screenshot-diff.png" style="max-width:100%;" alt="Self-hosted web page change monitoring context difference "  title="Self-hosted web page change monitoring context difference " />
+Easily see what changed, examine by word, line, or individual character.
+
+<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/screenshot-diff.png" style="max-width:100%;" alt="Self-hosted web page change monitoring context difference "  title="Self-hosted web page change monitoring context difference " />
 
 Please :star: star :star: this project and help it grow! https://github.com/dgtlmoon/changedetection.io/
 
+### Filter by elements using the Visual Selector tool.
+
+Available when connected to a <a href="https://github.com/dgtlmoon/changedetection.io/wiki/Playwright-content-fetcher">playwright content fetcher</a> (included as part of our subscription service)
+
+<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/visualselector-anim.gif" style="max-width:100%;" alt="Self-hosted web page change monitoring context difference "  title="Self-hosted web page change monitoring context difference " />
 
 ## Installation
 
 ### Docker
 
 With Docker composer, just clone this repository and..
+
 ```bash
 $ docker-compose up -d
 ```
+
 Docker standalone
 ```bash
 $ docker run -d --restart always -p "127.0.0.1:5000:5000" -v datastore-volume:/datastore --name changedetection.io dgtlmoon/changedetection.io
 ```
 
+`:latest` tag is our latest stable release, `:dev` tag is our bleeding edge `master` branch.
+
 ### Windows
 
 See the install instructions at the wiki https://github.com/dgtlmoon/changedetection.io/wiki/Microsoft-Windows
@@ -129,7 +140,7 @@ Just some examples
  
 <a href="https://github.com/caronc/apprise#popular-notification-services">And everything else in this list!</a>
 
-<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/screenshot-notifications.png" style="max-width:100%;" alt="Self-hosted web page change monitoring notifications"  title="Self-hosted web page change monitoring notifications"  />
+<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/screenshot-notifications.png" style="max-width:100%;" alt="Self-hosted web page change monitoring notifications"  title="Self-hosted web page change monitoring notifications"  />
 
 Now you can also customise your notification content!
 
@@ -137,11 +148,11 @@ Now you can also customise your notification content!
 
 Detect changes and monitor data in JSON API's by using the built-in JSONPath selectors as a filter / selector.
 
-![image](https://user-images.githubusercontent.com/275001/125165842-0ce01980-e1dc-11eb-9e73-d8137dd162dc.png)
+![image](https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/json-filter-field-example.png)
 
 This will re-parse the JSON and apply formatting to the text, making it super easy to monitor and detect changes in JSON API results
 
-![image](https://user-images.githubusercontent.com/275001/125165995-d9ea5580-e1dc-11eb-8030-f0deced2661a.png)
+![image](https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/json-diff-example.png)
 
 ### Parse JSON embedded in HTML!
 
@@ -177,7 +188,7 @@ Or directly donate an amount PayPal [![Donate](https://img.shields.io/badge/Dona
 
 Or BTC `1PLFN327GyUarpJd7nVe7Reqg9qHx5frNn`
 
-<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/btc-support.png" style="max-width:50%;" alt="Support us!"  />
+<img src="https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/docs/btc-support.png" style="max-width:50%;" alt="Support us!"  />
 
 ## Commercial Support
 

changedetectionio/__init__.py

@@ -20,6 +20,7 @@ from copy import deepcopy
 from threading import Event
 
 import flask_login
+import logging
 import pytz
 import timeago
 from feedgen.feed import FeedGenerator
@@ -36,11 +37,14 @@ from flask import (
     url_for,
 )
 from flask_login import login_required
+from flask_restful import abort, Api
+
 from flask_wtf import CSRFProtect
 
 from changedetectionio import html_tools
+from changedetectionio.api import api_v1
 
-__version__ = '0.39.13.1'
+__version__ = '0.39.15'
 
 datastore = None
 
@@ -78,6 +82,8 @@ csrf.init_app(app)
 
 notification_debug_log=[]
 
+watch_api = Api(app, decorators=[csrf.exempt])
+
 def init_app_secret(datastore_path):
     secret = ""
 
@@ -102,7 +108,7 @@ def _jinja2_filter_datetime(watch_obj, format="%Y-%m-%d %H:%M:%S"):
     # Worker thread tells us which UUID it is currently processing.
     for t in running_update_threads:
         if t.current_uuid == watch_obj['uuid']:
-            return "Checking now.."
+            return '<span class="loader"></span><span> Checking now</span>'
 
     if watch_obj['last_checked'] == 0:
         return 'Not yet'
@@ -173,12 +179,35 @@ def changedetection_app(config=None, datastore_o=None):
     global datastore
     datastore = datastore_o
 
+    # so far just for read-only via tests, but this will be moved eventually to be the main source
+    # (instead of the global var)
+    app.config['DATASTORE']=datastore_o
+
     #app.config.update(config or {})
 
     login_manager = flask_login.LoginManager(app)
     login_manager.login_view = 'login'
     app.secret_key = init_app_secret(config['datastore_path'])
 
+
+    watch_api.add_resource(api_v1.WatchSingleHistory,
+                           '/api/v1/watch/<string:uuid>/history/<string:timestamp>',
+                           resource_class_kwargs={'datastore': datastore, 'update_q': update_q})
+
+    watch_api.add_resource(api_v1.WatchHistory,
+                           '/api/v1/watch/<string:uuid>/history',
+                           resource_class_kwargs={'datastore': datastore})
+
+    watch_api.add_resource(api_v1.CreateWatch, '/api/v1/watch',
+                           resource_class_kwargs={'datastore': datastore, 'update_q': update_q})
+
+    watch_api.add_resource(api_v1.Watch, '/api/v1/watch/<string:uuid>',
+                           resource_class_kwargs={'datastore': datastore, 'update_q': update_q})
+
+
+
+
+
     # Setup cors headers to allow all domains
     # https://flask-cors.readthedocs.io/en/latest/
     #    CORS(app)
@@ -293,25 +322,19 @@ def changedetection_app(config=None, datastore_o=None):
 
         for watch in sorted_watches:
 
-            dates = list(watch['history'].keys())
+            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]]
+            prev_fname = watch.history[dates[-2]]
 
-            if not watch['viewed']:
+            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)
                 guid = "{}/{}".format(watch['uuid'], watch['last_changed'])
                 fe = fg.add_entry()
 
-
                 # Include a link to the diff page, they will have to login here to see if password protection is enabled.
                 # Description is the page you watch, link takes you to the diff JS UI page
                 base_url = datastore.data['settings']['application']['base_url']
@@ -326,13 +349,14 @@ def changedetection_app(config=None, datastore_o=None):
 
                 watch_title = watch.get('title') if watch.get('title') else watch.get('url')
                 fe.title(title=watch_title)
-                latest_fname = watch['history'][dates[0]]
+                latest_fname = watch.history[dates[-1]]
 
                 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.content(content="<html><body><h4>{}</h4>{}</body></html>".format(watch_title, html_diff),
+                           type='CDATA')
 
                 fe.guid(guid, permalink=False)
-                dt = datetime.datetime.fromtimestamp(int(watch['newest_history_key']))
+                dt = datetime.datetime.fromtimestamp(int(watch.newest_history_key))
                 dt = dt.replace(tzinfo=pytz.UTC)
                 fe.pubDate(dt)
 
@@ -367,6 +391,8 @@ def changedetection_app(config=None, datastore_o=None):
 
             if limit_tag != None:
                 # Support for comma separated list of tags.
+                if watch['tag'] is None:
+                    continue
                 for tag_in_watch in watch['tag'].split(','):
                     tag_in_watch = tag_in_watch.strip()
                     if tag_in_watch == limit_tag:
@@ -389,11 +415,13 @@ 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.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)
+
+
         if session.get('share-link'):
             del(session['share-link'])
         return output
@@ -430,6 +458,19 @@ def changedetection_app(config=None, datastore_o=None):
 
         return 'OK'
 
+
+    @app.route("/scrub/<string:uuid>", methods=['GET'])
+    @login_required
+    def scrub_watch(uuid):
+        try:
+            datastore.scrub_watch(uuid)
+        except KeyError:
+            flash('Watch not found', 'error')
+        else:
+            flash("Scrubbed watch {}".format(uuid))
+
+        return redirect(url_for('index'))
+
     @app.route("/scrub", methods=['GET', 'POST'])
     @login_required
     def scrub_page():
@@ -465,10 +506,10 @@ def changedetection_app(config=None, datastore_o=None):
 
         # 0 means that theres only one, so that there should be no 'unviewed' history available
         if newest_history_key == 0:
-            newest_history_key = list(datastore.data['watching'][uuid]['history'].keys())[0]
+            newest_history_key = list(datastore.data['watching'][uuid].history.keys())[0]
 
         if newest_history_key:
-            with open(datastore.data['watching'][uuid]['history'][newest_history_key],
+            with open(datastore.data['watching'][uuid].history[newest_history_key],
                       encoding='utf-8') as file:
                 raw_content = file.read()
 
@@ -520,16 +561,9 @@ def changedetection_app(config=None, datastore_o=None):
 
         # Defaults for proxy choice
         if datastore.proxy_list is not None:  # When enabled
-            system_proxy = datastore.data['settings']['requests']['proxy']
-            if default['proxy'] is None:
-                default['proxy'] = system_proxy
-            else:
-                # Does the chosen one exist?
-                if not any(default['proxy'] in tup for tup in datastore.proxy_list):
-                    default['proxy'] = datastore.proxy_list[0][0]
-
-            # Used by the form handler to keep or remove the proxy settings
-            default['proxy_list'] = datastore.proxy_list
+            # Radio needs '' not None, or incase that the chosen one no longer exists
+            if default['proxy'] is None or not any(default['proxy'] in tup for tup in datastore.proxy_list):
+                default['proxy'] = ''
 
         # proxy_override set to the json/text list of the items
         form = forms.watchForm(formdata=request.form if request.method == 'POST' else None,
@@ -540,9 +574,7 @@ def changedetection_app(config=None, datastore_o=None):
             # @todo - Couldn't get setattr() etc dynamic addition working, so remove it instead
             del form.proxy
         else:
-            form.proxy.choices = datastore.proxy_list
-            if default['proxy'] is None:
-                form.proxy.default='http://hello'
+            form.proxy.choices = [('', 'Default')] + datastore.proxy_list
 
         if request.method == 'POST' and form.validate():
             extra_update_obj = {}
@@ -571,14 +603,18 @@ 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']):
+                if len(datastore.data['watching'][uuid].history):
                     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']):
+                if len(datastore.data['watching'][uuid].history):
                     extra_update_obj['previous_md5'] = get_current_checksum_include_ignore_text(uuid=uuid)
 
+            # Be sure proxy value is None
+            if datastore.proxy_list is not None and form.data['proxy'] == '':
+                extra_update_obj['proxy'] = None
+
             datastore.data['watching'][uuid].update(form.data)
             datastore.data['watching'][uuid].update(extra_update_obj)
 
@@ -605,6 +641,12 @@ def changedetection_app(config=None, datastore_o=None):
             if request.method == 'POST' and not form.validate():
                 flash("An error occurred, please see below.", "error")
 
+            visualselector_data_is_ready = datastore.visualselector_data_is_ready(uuid)
+
+            # Only works reliably with Playwright
+            visualselector_enabled = os.getenv('PLAYWRIGHT_DRIVER_URL', False) and default['fetch_backend'] == 'html_webdriver'
+
+
             output = render_template("edit.html",
                                      uuid=uuid,
                                      watch=datastore.data['watching'][uuid],
@@ -612,7 +654,9 @@ def changedetection_app(config=None, datastore_o=None):
                                      has_empty_checktime=using_default_check_time,
                                      using_global_webdriver_wait=default['webdriver_delay'] is None,
                                      current_base_url=datastore.data['settings']['application']['base_url'],
-                                     emailprefix=os.getenv('NOTIFICATION_MAIL_BUTTON_PREFIX', False)
+                                     emailprefix=os.getenv('NOTIFICATION_MAIL_BUTTON_PREFIX', False),
+                                     visualselector_data_is_ready=visualselector_data_is_ready,
+                                     visualselector_enabled=visualselector_enabled
                                      )
 
         return output
@@ -676,6 +720,7 @@ def changedetection_app(config=None, datastore_o=None):
                                  form=form,
                                  current_base_url = datastore.data['settings']['application']['base_url'],
                                  hide_remove_pass=os.getenv("SALTED_PASS", False),
+                                 api_key=datastore.data['settings']['application'].get('api_access_token'),
                                  emailprefix=os.getenv('NOTIFICATION_MAIL_BUTTON_PREFIX', False))
 
         return output
@@ -718,15 +763,14 @@ def changedetection_app(config=None, datastore_o=None):
         return output
 
     # Clear all statuses, so we do not see the 'unviewed' class
-    @app.route("/api/mark-all-viewed", methods=['GET'])
+    @app.route("/form/mark-all-viewed", methods=['GET'])
     @login_required
     def mark_all_viewed():
 
         # Save the current newest history as the most recently viewed
         for watch_uuid, watch in datastore.data['watching'].items():
-            datastore.set_last_viewed(watch_uuid, watch['newest_history_key'])
+            datastore.set_last_viewed(watch_uuid, int(time.time()))
 
-        flash("Cleared all statuses.")
         return redirect(url_for('index'))
 
     @app.route("/diff/<string:uuid>", methods=['GET'])
@@ -744,20 +788,17 @@ def changedetection_app(config=None, datastore_o=None):
             flash("No history found for the specified link, bad link?", "error")
             return redirect(url_for('index'))
 
-        dates = list(watch['history'].keys())
-        # 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]
+        history = watch.history
+        dates = list(history.keys())
 
         if len(dates) < 2:
             flash("Not enough saved change detection snapshots to produce a report.", "error")
             return redirect(url_for('index'))
 
         # Save the current newest history as the most recently viewed
-        datastore.set_last_viewed(uuid, dates[0])
-        newest_file = watch['history'][dates[0]]
+        datastore.set_last_viewed(uuid, time.time())
+
+        newest_file = history[dates[-1]]
 
         try:
             with open(newest_file, 'r') as f:
@@ -767,10 +808,10 @@ def changedetection_app(config=None, datastore_o=None):
 
         previous_version = request.args.get('previous_version')
         try:
-            previous_file = watch['history'][previous_version]
+            previous_file = history[previous_version]
         except KeyError:
             # Not present, use a default value, the second one in the sorted list.
-            previous_file = watch['history'][dates[1]]
+            previous_file = history[dates[-2]]
 
         try:
             with open(previous_file, 'r') as f:
@@ -781,18 +822,25 @@ def changedetection_app(config=None, datastore_o=None):
 
         screenshot_url = datastore.get_screenshot(uuid)
 
-        output = render_template("diff.html", watch_a=watch,
+        system_uses_webdriver = datastore.data['settings']['application']['fetch_backend'] == 'html_webdriver'
+
+        is_html_webdriver = True if watch.get('fetch_backend') == 'html_webdriver' or (
+                    watch.get('fetch_backend', None) is None and system_uses_webdriver) else False
+
+        output = render_template("diff.html",
+                                 watch_a=watch,
                                  newest=newest_version_file_contents,
                                  previous=previous_version_file_contents,
                                  extra_stylesheets=extra_stylesheets,
                                  versions=dates[1:],
                                  uuid=uuid,
-                                 newest_version_timestamp=dates[0],
+                                 newest_version_timestamp=dates[-1],
                                  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,
-                                 screenshot=screenshot_url)
+                                 screenshot=screenshot_url,
+                                 is_html_webdriver=is_html_webdriver)
 
         return output
 
@@ -807,6 +855,12 @@ def changedetection_app(config=None, datastore_o=None):
         if uuid == 'first':
             uuid = list(datastore.data['watching'].keys()).pop()
 
+        # Normally you would never reach this, because the 'preview' button is not available when there's no history
+        # However they may try to scrub and reload the page
+        if datastore.data['watching'][uuid].history_n == 0:
+            flash("Preview unavailable - No fetch/check completed or triggers not reached", "error")
+            return redirect(url_for('index'))
+
         extra_stylesheets = [url_for('static_content', group='styles', filename='diff.css')]
 
         try:
@@ -815,9 +869,9 @@ def changedetection_app(config=None, datastore_o=None):
             flash("No history found for the specified link, bad link?", "error")
             return redirect(url_for('index'))
 
-        if len(watch['history']):
-            timestamps = sorted(watch['history'].keys(), key=lambda x: int(x))
-            filename = watch['history'][timestamps[-1]]
+        if watch.history_n >0:
+            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()
@@ -853,6 +907,11 @@ def changedetection_app(config=None, datastore_o=None):
             content.append({'line': "No history found", 'classes': ''})
 
         screenshot_url = datastore.get_screenshot(uuid)
+        system_uses_webdriver = datastore.data['settings']['application']['fetch_backend'] == 'html_webdriver'
+
+        is_html_webdriver = True if watch.get('fetch_backend') == 'html_webdriver' or (
+                watch.get('fetch_backend', None) is None and system_uses_webdriver) else False
+
         output = render_template("preview.html",
                                  content=content,
                                  extra_stylesheets=extra_stylesheets,
@@ -861,8 +920,9 @@ def changedetection_app(config=None, datastore_o=None):
                                  current_diff_url=watch['url'],
                                  screenshot=screenshot_url,
                                  watch=watch,
-                                 uuid=uuid)
-        
+                                 uuid=uuid,
+                                 is_html_webdriver=is_html_webdriver)
+
         return output
 
     @app.route("/settings/notification-logs", methods=['GET'])
@@ -870,31 +930,10 @@ def changedetection_app(config=None, datastore_o=None):
     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"])
+                                 logs=notification_debug_log if len(notification_debug_log) else ["Notification logs are empty - no notifications sent yet."])
 
         return output
 
-    @app.route("/api/<string:uuid>/snapshot/current", methods=['GET'])
-    @login_required
-    def api_snapshot(uuid):
-
-        # More for testing, possible to return the first/only
-        if uuid == 'first':
-            uuid = list(datastore.data['watching'].keys()).pop()
-
-        try:
-            watch = datastore.data['watching'][uuid]
-        except KeyError:
-            return abort(400, "No history found for the specified link, bad link?")
-
-        newest = list(watch['history'].keys())[-1]
-        with open(watch['history'][newest], 'r') as f:
-            content = f.read()
-
-        resp = make_response(content)
-        resp.headers['Content-Type'] = 'text/plain'
-        return resp
-
     @app.route("/favicon.ico", methods=['GET'])
     def favicon():
         return send_from_directory("static/images", path="favicon.ico")
@@ -975,10 +1014,9 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/static/<string:group>/<string:filename>", methods=['GET'])
     def static_content(group, filename):
+        from flask import make_response
+
         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)
@@ -997,6 +1035,26 @@ def changedetection_app(config=None, datastore_o=None):
             except FileNotFoundError:
                 abort(404)
 
+
+        if group == 'visual_selector_data':
+            # 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="elements.json", directory=watch_dir, path=watch_dir + "/elements.json"))
+                response.headers['Content-type'] = 'application/json'
+                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)
@@ -1005,7 +1063,7 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/api/add", methods=['POST'])
     @login_required
-    def api_watch_add():
+    def form_watch_add():
         from changedetectionio import forms
         form = forms.quickWatchForm(request.form)
 
@@ -1031,7 +1089,7 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/api/delete", methods=['GET'])
     @login_required
-    def api_delete():
+    def form_delete():
         uuid = request.args.get('uuid')
 
         if uuid != 'all' and not uuid in datastore.data['watching'].keys():
@@ -1048,7 +1106,7 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/api/clone", methods=['GET'])
     @login_required
-    def api_clone():
+    def form_clone():
         uuid = request.args.get('uuid')
         # More for testing, possible to return the first/only
         if uuid == 'first':
@@ -1062,7 +1120,7 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/api/checknow", methods=['GET'])
     @login_required
-    def api_watch_checknow():
+    def form_watch_checknow():
 
         tag = request.args.get('tag')
         uuid = request.args.get('uuid')
@@ -1099,7 +1157,7 @@ def changedetection_app(config=None, datastore_o=None):
 
     @app.route("/api/share-url", methods=['GET'])
     @login_required
-    def api_share_put_watch():
+    def form_share_put_watch():
         """Given a watch UUID, upload the info and return a share-link
            the share-link can be imported/added"""
         import requests
@@ -1113,6 +1171,7 @@ def changedetection_app(config=None, datastore_o=None):
 
         # copy it to memory as trim off what we dont need (history)
         watch = deepcopy(datastore.data['watching'][uuid])
+        # For older versions that are not a @property
         if (watch.get('history')):
             del (watch['history'])
 
@@ -1142,14 +1201,14 @@ def changedetection_app(config=None, datastore_o=None):
 
 
         except Exception as e:
-            flash("Could not share, something went wrong while communicating with the share server.", 'error')
+            logging.error("Error sharing -{}".format(str(e)))
+            flash("Could not share, something went wrong while communicating with the share server - {}".format(str(e)), 'error')
 
         # https://changedetection.io/share/VrMv05wpXyQa
         # in the browser - should give you a nice info page - wtf
         # paste in etc
         return redirect(url_for('index'))
 
-
     # @todo handle ctrl break
     ticker_thread = threading.Thread(target=ticker_thread_check_time_launch_checks).start()
 
@@ -1191,6 +1250,9 @@ def check_for_new_version():
 
 def notification_runner():
     global notification_debug_log
+    from datetime import datetime
+    import json
+
     while not app.config.exit.is_set():
         try:
             # At the moment only one thread runs (single runner)
@@ -1199,13 +1261,17 @@ def notification_runner():
             time.sleep(1)
 
         else:
-            # Process notifications
+
+            now = datetime.now()
+            sent_obj = None
+
             try:
                 from changedetectionio import notification
-                notification.process_notification(n_object, datastore)
+
+                sent_obj = notification.process_notification(n_object, datastore)
 
             except Exception as e:
-                print("Watch URL: {}  Error {}".format(n_object['watch_url'], str(e)))
+                logging.error("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:
@@ -1215,14 +1281,19 @@ def notification_runner():
                 log_lines = str(e).splitlines()
                 notification_debug_log += log_lines
 
-                # Trim the log length
-                notification_debug_log = notification_debug_log[-100:]
-
+            # Process notifications
+            notification_debug_log+= ["{} - SENDING - {}".format(now.strftime("%Y/%m/%d %H:%M:%S,000"), json.dumps(sent_obj))]
+            # 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():
+    import random
     from changedetectionio import update_worker
 
+    recheck_time_minimum_seconds = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 20))
+    print("System env MINIMUM_SECONDS_RECHECK_TIME", recheck_time_minimum_seconds)
+
     # 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']))
@@ -1240,9 +1311,10 @@ 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
+        watch_uuid_list = []
         while True:
             try:
-                copied_datastore = deepcopy(datastore)
+                watch_uuid_list = datastore.data['watching'].keys()
             except RuntimeError as e:
                 # RuntimeError: dictionary changed size during iteration
                 time.sleep(0.1)
@@ -1253,33 +1325,49 @@ def ticker_thread_check_time_launch_checks():
         while update_q.qsize() >= 2000:
             time.sleep(1)
 
+
+        recheck_time_system_seconds = int(datastore.threshold_seconds)
+
         # 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 = datastore.threshold_seconds
-
-        for uuid, watch in copied_datastore.data['watching'].items():
+        for uuid in watch_uuid_list:
+            now = time.time()
+            watch = datastore.data['watching'].get(uuid)
+            if not watch:
+                logging.error("Watch: {} no longer present.".format(uuid))
+                continue
 
             # No need todo further processing if it's paused
             if watch['paused']:
                 continue
 
             # If they supplied an individual entry minutes to threshold.
-            threshold = now
-            watch_threshold_seconds = watch.threshold_seconds()
-            if watch_threshold_seconds:
-                threshold -= watch_threshold_seconds
-            else:
-                threshold -= recheck_time_system_seconds
 
-            # Yeah, put it in the queue, it's more than time
-            if watch['last_checked'] <= max(threshold, recheck_time_minimum_seconds):
+            watch_threshold_seconds = watch.threshold_seconds()
+            threshold = watch_threshold_seconds if watch_threshold_seconds > 0 else recheck_time_system_seconds
+
+            # #580 - Jitter plus/minus amount of time to make the check seem more random to the server
+            jitter = datastore.data['settings']['requests'].get('jitter_seconds', 0)
+            if jitter > 0:
+                if watch.jitter_seconds == 0:
+                    watch.jitter_seconds = random.uniform(-abs(jitter), jitter)
+
+
+            seconds_since_last_recheck = now - watch['last_checked']
+            if seconds_since_last_recheck >= (threshold + watch.jitter_seconds) and seconds_since_last_recheck >= recheck_time_minimum_seconds:
                 if not uuid in running_uuids and uuid not in update_q.queue:
+                    print("Queued watch UUID {} last checked at {} queued at {:0.2f} jitter {:0.2f}s, {:0.2f}s since last checked".format(uuid,
+                                                                                                         watch['last_checked'],
+                                                                                                         now,
+                                                                                                         watch.jitter_seconds,
+                                                                                                         now - watch['last_checked']))
+                    # Into the queue with you
                     update_q.put(uuid)
 
-        # Wait a few seconds before checking the list again
-        time.sleep(3)
+                    # Reset for next time
+                    watch.jitter_seconds = 0
+
+        # Wait before checking the list again - saves CPU
+        time.sleep(1)
 
         # Should be low so we can break this out in testing
         app.config.exit.wait(1)

changedetectionio/api/api_v1.py

@@ -0,0 +1,124 @@
+from flask_restful import abort, Resource
+from flask import request, make_response
+import validators
+from . import auth
+
+
+
+# https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+
+class Watch(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+        self.update_q = kwargs['update_q']
+
+    # Get information about a single watch, excluding the history list (can be large)
+    # curl http://localhost:4000/api/v1/watch/<string:uuid>
+    # ?recheck=true
+    @auth.check_token
+    def get(self, uuid):
+        from copy import deepcopy
+        watch = deepcopy(self.datastore.data['watching'].get(uuid))
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+
+        if request.args.get('recheck'):
+            self.update_q.put(uuid)
+            return "OK", 200
+
+        # Return without history, get that via another API call
+        watch['history_n'] = watch.history_n
+        return watch
+
+    @auth.check_token
+    def delete(self, uuid):
+        if not self.datastore.data['watching'].get(uuid):
+            abort(400, message='No watch exists with the UUID of {}'.format(uuid))
+
+        self.datastore.delete(uuid)
+        return 'OK', 204
+
+
+class WatchHistory(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    # Get a list of available history for a watch by UUID
+    # curl http://localhost:4000/api/v1/watch/<string:uuid>/history
+    def get(self, uuid):
+        watch = self.datastore.data['watching'].get(uuid)
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+        return watch.history, 200
+
+
+class WatchSingleHistory(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+
+    # Read a given history snapshot and return its content
+    # <string:timestamp> or "latest"
+    # curl http://localhost:4000/api/v1/watch/<string:uuid>/history/<int:timestamp>
+    @auth.check_token
+    def get(self, uuid, timestamp):
+        watch = self.datastore.data['watching'].get(uuid)
+        if not watch:
+            abort(404, message='No watch exists with the UUID of {}'.format(uuid))
+
+        if not len(watch.history):
+            abort(404, message='Watch found but no history exists for the UUID {}'.format(uuid))
+
+        if timestamp == 'latest':
+            timestamp = list(watch.history.keys())[-1]
+
+        with open(watch.history[timestamp], 'r') as f:
+            content = f.read()
+
+        response = make_response(content, 200)
+        response.mimetype = "text/plain"
+        return response
+
+
+class CreateWatch(Resource):
+    def __init__(self, **kwargs):
+        # datastore is a black box dependency
+        self.datastore = kwargs['datastore']
+        self.update_q = kwargs['update_q']
+
+    @auth.check_token
+    def post(self):
+        # curl http://localhost:4000/api/v1/watch -H "Content-Type: application/json" -d '{"url": "https://my-nice.com", "tag": "one, two" }'
+        json_data = request.get_json()
+        tag = json_data['tag'].strip() if json_data.get('tag') else ''
+
+        if not validators.url(json_data['url'].strip()):
+            return "Invalid or unsupported URL", 400
+
+        extras = {'title': json_data['title'].strip()} if json_data.get('title') else {}
+
+        new_uuid = self.datastore.add_watch(url=json_data['url'].strip(), tag=tag, extras=extras)
+        self.update_q.put(new_uuid)
+        return {'uuid': new_uuid}, 201
+
+    # Return concise list of available watches and some very basic info
+    # curl http://localhost:4000/api/v1/watch|python -mjson.tool
+    # ?recheck_all=1 to recheck all
+    @auth.check_token
+    def get(self):
+        list = {}
+        for k, v in self.datastore.data['watching'].items():
+            list[k] = {'url': v['url'],
+                       'title': v['title'],
+                       'last_checked': v['last_checked'],
+                       'last_changed': v['last_changed'],
+                       'last_error': v['last_error']}
+
+        if request.args.get('recheck_all'):
+            for uuid in self.datastore.data['watching'].keys():
+                self.update_q.put(uuid)
+            return {'status': "OK"}, 200
+
+        return list, 200

changedetectionio/api/auth.py

@@ -0,0 +1,33 @@
+from flask import request, make_response, jsonify
+from functools import wraps
+
+
+# Simple API auth key comparison
+# @todo - Maybe short lived token in the future?
+
+def check_token(f):
+    @wraps(f)
+    def decorated(*args, **kwargs):
+        datastore = args[0].datastore
+
+        config_api_token_enabled = datastore.data['settings']['application'].get('api_access_token_enabled')
+        if not config_api_token_enabled:
+            return
+
+        try:
+            api_key_header = request.headers['x-api-key']
+        except KeyError:
+            return make_response(
+                jsonify("No authorization x-api-key header."), 403
+            )
+
+        config_api_token = datastore.data['settings']['application'].get('api_access_token')
+
+        if api_key_header != config_api_token:
+            return make_response(
+                jsonify("Invalid access - API key invalid."), 403
+            )
+
+        return f(*args, **kwargs)
+
+    return decorated

changedetectionio/content_fetcher.py

@@ -1,11 +1,18 @@
 from abc import ABC, abstractmethod
 import chardet
+import json
 import os
 import requests
 import time
-import urllib3.exceptions
 import sys
 
+class PageUnloadable(Exception):
+    def __init__(self, status_code, url):
+        # Set this so we can use it in other parts of the app
+        self.status_code = status_code
+        self.url = url
+        return
+    pass
 
 class EmptyReply(Exception):
     def __init__(self, status_code, url):
@@ -13,7 +20,22 @@ class EmptyReply(Exception):
         self.status_code = status_code
         self.url = url
         return
+    pass
 
+class ScreenshotUnavailable(Exception):
+    def __init__(self, status_code, url):
+        # Set this so we can use it in other parts of the app
+        self.status_code = status_code
+        self.url = url
+        return
+    pass
+
+class ReplyWithContentButNoText(Exception):
+    def __init__(self, status_code, url):
+        # Set this so we can use it in other parts of the app
+        self.status_code = status_code
+        self.url = url
+        return
     pass
 
 
@@ -22,6 +44,135 @@ class Fetcher():
     status_code = None
     content = None
     headers = None
+
+    fetcher_description = "No description"
+    xpath_element_js = """               
+                // Include the getXpath script directly, easier than fetching
+                !function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):(e=e||self).getXPath=n()}(this,function(){return function(e){var n=e;if(n&&n.id)return'//*[@id="'+n.id+'"]';for(var o=[];n&&Node.ELEMENT_NODE===n.nodeType;){for(var i=0,r=!1,d=n.previousSibling;d;)d.nodeType!==Node.DOCUMENT_TYPE_NODE&&d.nodeName===n.nodeName&&i++,d=d.previousSibling;for(d=n.nextSibling;d;){if(d.nodeName===n.nodeName){r=!0;break}d=d.nextSibling}o.push((n.prefix?n.prefix+":":"")+n.localName+(i||r?"["+(i+1)+"]":"")),n=n.parentNode}return o.length?"/"+o.reverse().join("/"):""}});
+
+
+                const findUpTag = (el) => {
+                  let r = el
+                  chained_css = [];
+                  depth=0;
+            
+                // Strategy 1: Keep going up until we hit an ID tag, imagine it's like  #list-widget div h4
+                  while (r.parentNode) {
+                    if(depth==5) {
+                      break;
+                    }
+                    if('' !==r.id) {
+                      chained_css.unshift("#"+r.id);
+                      final_selector= chained_css.join('>');
+                      // Be sure theres only one, some sites have multiples of the same ID tag :-(
+                      if (window.document.querySelectorAll(final_selector).length ==1 ) {
+                        return final_selector;
+                      }
+                      return null;
+                    } else {
+                      chained_css.unshift(r.tagName.toLowerCase());
+                    }
+                    r=r.parentNode;
+                    depth+=1;
+                  }
+                  return null;
+                }
+
+
+                // @todo - if it's SVG or IMG, go into image diff mode
+                var elements = window.document.querySelectorAll("div,span,form,table,tbody,tr,td,a,p,ul,li,h1,h2,h3,h4, header, footer, section, article, aside, details, main, nav, section, summary");
+                var size_pos=[];
+                // after page fetch, inject this JS
+                // build a map of all elements and their positions (maybe that only include text?)
+                var bbox;
+                for (var i = 0; i < elements.length; i++) {   
+                 bbox = elements[i].getBoundingClientRect();
+
+                 // forget really small ones
+                 if (bbox['width'] <20 && bbox['height'] < 20 ) {
+                   continue;
+                 }
+
+                 // @todo the getXpath kind of sucks, it doesnt know when there is for example just one ID sometimes
+                 // it should not traverse when we know we can anchor off just an ID one level up etc..
+                 // maybe, get current class or id, keep traversing up looking for only class or id until there is just one match 
+
+                 // 1st primitive - if it has class, try joining it all and select, if theres only one.. well thats us.
+                 xpath_result=false;
+                 
+                 try {
+                   var d= findUpTag(elements[i]);
+                   if (d) {
+                     xpath_result =d;
+                   }                
+                 } catch (e) {
+                   console.log(e);
+                 }
+                 
+                 // You could swap it and default to getXpath and then try the smarter one
+                 // default back to the less intelligent one
+                 if (!xpath_result) {
+                    try {
+                       // I've seen on FB and eBay that this doesnt work
+                       // ReferenceError: getXPath is not defined at eval (eval at evaluate (:152:29), <anonymous>:67:20) at UtilityScript.evaluate (<anonymous>:159:18) at UtilityScript.<anonymous> (<anonymous>:1:44)
+                       xpath_result = getXPath(elements[i]);
+                     } catch (e) {
+                       console.log(e);
+                       continue;
+                     }            
+                 }
+                 
+                 if(window.getComputedStyle(elements[i]).visibility === "hidden") {
+                   continue;
+                 }
+
+                 size_pos.push({
+                   xpath: xpath_result,
+                   width: Math.round(bbox['width']), 
+                   height: Math.round(bbox['height']), 
+                   left: Math.floor(bbox['left']), 
+                   top: Math.floor(bbox['top']), 
+                   childCount: elements[i].childElementCount
+                 });                 
+                }
+
+
+                // inject the current one set in the css_filter, which may be a CSS rule
+                // used for displaying the current one in VisualSelector, where its not one we generated.
+                if (css_filter.length) {
+                   q=false;                   
+                   try {
+                       // is it xpath?
+                       if (css_filter.startsWith('/') || css_filter.startsWith('xpath:')) {
+                         q=document.evaluate(css_filter.replace('xpath:',''), document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
+                       } else {
+                         q=document.querySelector(css_filter);
+                       }                       
+                   } catch (e) {
+                    // Maybe catch DOMException and alert? 
+                     console.log(e);                       
+                   }
+                   bbox=false;
+                   if(q) {
+                     bbox = q.getBoundingClientRect();
+                   }
+                                   
+                   if (bbox && bbox['width'] >0 && bbox['height']>0) {                       
+                       size_pos.push({
+                           xpath: css_filter,
+                           width: bbox['width'], 
+                           height: bbox['height'],
+                           left: bbox['left'],
+                           top: bbox['top'],
+                           childCount: q.childElementCount
+                         });
+                     }
+                }
+                // Window.width required for proper scaling in the frontend
+                return {'size_pos':size_pos, 'browser_width': window.innerWidth};
+    """
+    xpath_data = None
+
     # Will be needed in the future by the VisualSelector, always get this where possible.
     screenshot = False
     fetcher_description = "No description"
@@ -42,7 +193,8 @@ class Fetcher():
             request_headers,
             request_body,
             request_method,
-            ignore_status_codes=False):
+            ignore_status_codes=False,
+            current_css_filter=None):
         # Should set self.error, self.status_code and self.content
         pass
 
@@ -123,52 +275,101 @@ class base_html_playwright(Fetcher):
             request_headers,
             request_body,
             request_method,
-            ignore_status_codes=False):
+            ignore_status_codes=False,
+            current_css_filter=None):
 
         from playwright.sync_api import sync_playwright
         import playwright._impl._api_types
         from playwright._impl._api_types import Error, TimeoutError
-
+        response = None
         with sync_playwright() as p:
             browser_type = getattr(p, self.browser_type)
 
             # Seemed to cause a connection Exception even tho I can see it connect
             # self.browser = browser_type.connect(self.command_executor, timeout=timeout*1000)
-            browser = browser_type.connect_over_cdp(self.command_executor, timeout=timeout * 1000)
+            # 60,000 connection timeout only
+            browser = browser_type.connect_over_cdp(self.command_executor, timeout=60000)
 
             # Set user agent to prevent Cloudflare from blocking the browser
             # Use the default one configured in the App.py model that's passed from fetch_site_status.py
             context = browser.new_context(
                 user_agent=request_headers['User-Agent'] if request_headers.get('User-Agent') else 'Mozilla/5.0',
-                proxy=self.proxy
+                proxy=self.proxy,
+                # This is needed to enable JavaScript execution on GitHub and others
+                bypass_csp=True,
+                # Should never be needed
+                accept_downloads=False
             )
+
             page = context.new_page()
-            page.set_viewport_size({"width": 1280, "height": 1024})
             try:
-                response = page.goto(url, timeout=timeout * 1000, wait_until='commit')
-                # Wait_until = commit
-                # - `'commit'` - consider operation to be finished when network response is received and the document started loading.
-                # Better to not use any smarts from Playwright and just wait an arbitrary number of seconds
-                # This seemed to solve nearly all 'TimeoutErrors'
-                extra_wait = int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay
-                page.wait_for_timeout(extra_wait * 1000)
+                page.set_default_navigation_timeout(90000)
+                page.set_default_timeout(90000)
+
+               # Bug - never set viewport size BEFORE page.goto
+
+                # Waits for the next navigation. Using Python context manager
+                # prevents a race condition between clicking and waiting for a navigation.
+                with page.expect_navigation():
+                    response = page.goto(url, wait_until='load')
+
             except playwright._impl._api_types.TimeoutError as e:
-                raise EmptyReply(url=url, status_code=None)
+                context.close()
+                browser.close()
+                # This can be ok, we will try to grab what we could retrieve
+                pass
+            except Exception as e:
+                print ("other exception when page.goto")
+                print (str(e))
+                context.close()
+                browser.close()
+                raise PageUnloadable(url=url, status_code=None)
 
             if response is None:
+                context.close()
+                browser.close()
+                print ("response object was none")
                 raise EmptyReply(url=url, status_code=None)
 
-            if len(page.content().strip()) == 0:
-                raise EmptyReply(url=url, status_code=None)
-
-            self.status_code = response.status
+            # Bug 2(?) Set the viewport size AFTER loading the page
+            page.set_viewport_size({"width": 1280, "height": 1024})            
+            extra_wait = int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay
+            time.sleep(extra_wait)
             self.content = page.content()
+            self.status_code = response.status
+
+            if len(self.content.strip()) == 0:
+                context.close()
+                browser.close()
+                print ("Content was empty")
+                raise EmptyReply(url=url, status_code=None)
+            
             self.headers = response.all_headers()
 
+            if current_css_filter is not None:
+                page.evaluate("var css_filter={}".format(json.dumps(current_css_filter)))
+            else:
+                page.evaluate("var css_filter=''")
+
+            self.xpath_data = page.evaluate("async () => {" + self.xpath_element_js + "}")
+
+            # Bug 3 in Playwright screenshot handling
             # Some bug where it gives the wrong screenshot size, but making a request with the clip set first seems to solve it
             # JPEG is better here because the screenshots can be very very large
-            page.screenshot(type='jpeg', clip={'x': 1.0, 'y': 1.0, 'width': 1280, 'height': 1024})
-            self.screenshot = page.screenshot(type='jpeg', full_page=True, quality=90)
+
+            # Screenshots also travel via the ws:// (websocket) meaning that the binary data is base64 encoded
+            # which will significantly increase the IO size between the server and client, it's recommended to use the lowest
+            # acceptable screenshot quality here
+            try:
+                # Quality set to 1 because it's not used, just used as a work-around for a bug, no need to change this.
+                page.screenshot(type='jpeg', clip={'x': 1.0, 'y': 1.0, 'width': 1280, 'height': 1024}, quality=1)
+                # The actual screenshot
+                self.screenshot = page.screenshot(type='jpeg', full_page=True, quality=int(os.getenv("PLAYWRIGHT_SCREENSHOT_QUALITY", 72)))
+            except Exception as e:
+                context.close()
+                browser.close()
+                raise ScreenshotUnavailable(url=url, status_code=None)
+
             context.close()
             browser.close()
 
@@ -220,7 +421,8 @@ class base_html_webdriver(Fetcher):
             request_headers,
             request_body,
             request_method,
-            ignore_status_codes=False):
+            ignore_status_codes=False,
+            current_css_filter=None):
 
         from selenium import webdriver
         from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
@@ -240,6 +442,10 @@ class base_html_webdriver(Fetcher):
             self.quit()
             raise
 
+        self.driver.set_window_size(1280, 1024)
+        self.driver.implicitly_wait(int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)))
+        self.screenshot = self.driver.get_screenshot_as_png()
+
         # @todo - how to check this? is it possible?
         self.status_code = 200
         # @todo somehow we should try to get this working for WebDriver
@@ -249,8 +455,6 @@ class base_html_webdriver(Fetcher):
         time.sleep(int(os.getenv("WEBDRIVER_DELAY_BEFORE_CONTENT_READY", 5)) + self.render_extract_delay)
         self.content = self.driver.page_source
         self.headers = {}
-        self.screenshot = self.driver.get_screenshot_as_png()
-        self.quit()
 
     # Does the connection to the webdriver work? run a test connection.
     def is_ready(self):
@@ -287,7 +491,8 @@ class html_requests(Fetcher):
             request_headers,
             request_body,
             request_method,
-            ignore_status_codes=False):
+            ignore_status_codes=False,
+            current_css_filter=None):
 
         proxies={}
 

changedetectionio/fetch_site_status.py

@@ -94,6 +94,7 @@ class perform_site_check():
             # If the klass doesnt exist, just use a default
             klass = getattr(content_fetcher, "html_requests")
 
+
         proxy_args = self.set_proxy_from_list(watch)
         fetcher = klass(proxy_override=proxy_args)
 
@@ -104,7 +105,8 @@ class perform_site_check():
         elif system_webdriver_delay is not None:
             fetcher.render_extract_delay = system_webdriver_delay
 
-        fetcher.run(url, timeout, request_headers, request_body, request_method, ignore_status_code)
+        fetcher.run(url, timeout, request_headers, request_body, request_method, ignore_status_code, watch['css_filter'])
+        fetcher.quit()
 
         # Fetching complete, now filters
         # @todo move to class / maybe inside of fetcher abstract base?
@@ -184,6 +186,11 @@ class perform_site_check():
         # Re #340 - return the content before the 'ignore text' was applied
         text_content_before_ignored_filter = stripped_text_from_html.encode('utf-8')
 
+        # Treat pages with no renderable text content as a change? No by default
+        empty_pages_are_a_change = self.datastore.data['settings']['application'].get('empty_pages_are_a_change', False)
+        if not is_json and not empty_pages_are_a_change and len(stripped_text_from_html.strip()) == 0:
+            raise content_fetcher.ReplyWithContentButNoText(url=url, status_code=200)
+
         # 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.
 
@@ -197,38 +204,72 @@ class perform_site_check():
         else:
             stripped_text_from_html = stripped_text_from_html.encode('utf8')
 
+        # 615 Extract text by regex
+        extract_text = watch.get('extract_text', [])
+        if len(extract_text) > 0:
+            regex_matched_output = []
+            for s_re in extract_text:
+                result = re.findall(s_re.encode('utf8'), stripped_text_from_html,
+                                    flags=re.MULTILINE | re.DOTALL | re.LOCALE)
+                if result:
+                    regex_matched_output.append(result[0])
+
+            if regex_matched_output:
+                stripped_text_from_html = b'\n'.join(regex_matched_output)
+                text_content_before_ignored_filter = stripped_text_from_html
+
         # 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()
 
-        # On the first run of a site, watch['previous_md5'] will be None, set it the current one.
-        if not watch.get('previous_md5'):
-            watch['previous_md5'] = fetched_md5
-            update_obj["previous_md5"] = fetched_md5
-
-        blocked_by_not_found_trigger_text = False
+        ############ Blocking rules, after checksum #################
+        blocked = False
 
         if len(watch['trigger_text']):
-            # Yeah, lets block first until something matches
-            blocked_by_not_found_trigger_text = True
+            # Assume blocked
+            blocked = True
             # Filter and trigger works the same, so reuse it
+            # It should return the line numbers that match
             result = html_tools.strip_ignore_text(content=str(stripped_text_from_html),
                                                   wordlist=watch['trigger_text'],
                                                   mode="line numbers")
+            # Unblock if the trigger was found
             if result:
-                blocked_by_not_found_trigger_text = False
+                blocked = False
 
-        if not blocked_by_not_found_trigger_text and watch['previous_md5'] != fetched_md5:
+
+        if len(watch['text_should_not_be_present']):
+            # If anything matched, then we should block a change from happening
+            result = html_tools.strip_ignore_text(content=str(stripped_text_from_html),
+                                                  wordlist=watch['text_should_not_be_present'],
+                                                  mode="line numbers")
+            if result:
+                blocked = True
+
+        # The main thing that all this at the moment comes down to :)
+        if watch['previous_md5'] != fetched_md5:
             changed_detected = True
-            update_obj["previous_md5"] = fetched_md5
+
+        # Looks like something changed, but did it match all the rules?
+        if blocked:
+            changed_detected = False
+        else:
             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)
 
-        return changed_detected, update_obj, text_content_before_ignored_filter, fetcher.screenshot
+        # Always record the new checksum
+        update_obj["previous_md5"] = fetched_md5
+
+        # On the first run of a site, watch['previous_md5'] will be None, set it the current one.
+        if not watch.get('previous_md5'):
+            watch['previous_md5'] = fetched_md5
+
+        return changed_detected, update_obj, text_content_before_ignored_filter, fetcher.screenshot, fetcher.xpath_data

changedetectionio/forms.py

@@ -223,7 +223,7 @@ class validateURL(object):
         except validators.ValidationFailure:
             message = field.gettext('\'%s\' is not a valid URL.' % (field.data.strip()))
             raise ValidationError(message)
-        
+
 class ValidateListRegex(object):
     """
     Validates that anything that looks like a regex passes as a regex
@@ -307,7 +307,7 @@ class ValidateCSSJSONXPATHInput(object):
 
 class quickWatchForm(Form):
     url = fields.URLField('URL', validators=[validateURL()])
-    tag = StringField('Group tag', [validators.Optional(), validators.Length(max=35)])
+    tag = StringField('Group tag', [validators.Optional()])
 
 # Common to a single watch and the global settings
 class commonSettingsForm(Form):
@@ -323,13 +323,16 @@ class commonSettingsForm(Form):
 class watchForm(commonSettingsForm):
 
     url = fields.URLField('URL', validators=[validateURL()])
-    tag = StringField('Group tag', [validators.Optional(), validators.Length(max=35)], default='')
+    tag = StringField('Group tag', [validators.Optional()], default='')
 
     time_between_check = FormField(TimeBetweenCheckForm)
 
     css_filter = StringField('CSS/JSON/XPATH Filter', [ValidateCSSJSONXPATHInput()], default='')
 
     subtractive_selectors = StringListField('Remove elements', [ValidateCSSJSONXPATHInput(allow_xpath=False, allow_json=False)])
+
+    extract_text = StringListField('Extract text', [ValidateListRegex()])
+
     title = StringField('Title', default='')
 
     ignore_text = StringListField('Ignore text', [ValidateListRegex()])
@@ -338,6 +341,8 @@ class watchForm(commonSettingsForm):
     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()])
+    text_should_not_be_present = StringListField('Block change-detection if text matches', [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"})
     proxy = RadioField('Proxy')
@@ -360,7 +365,9 @@ class watchForm(commonSettingsForm):
 class globalSettingsRequestForm(Form):
     time_between_check = FormField(TimeBetweenCheckForm)
     proxy = RadioField('Proxy')
-
+    jitter_seconds = IntegerField('Random jitter seconds ± check',
+                                  render_kw={"style": "width: 5em;"},
+                                  validators=[validators.NumberRange(min=0, message="Should contain zero or more seconds")])
 
 # datastore.data['settings']['application']..
 class globalSettingsApplicationForm(commonSettingsForm):
@@ -371,8 +378,10 @@ class globalSettingsApplicationForm(commonSettingsForm):
     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"})
+    empty_pages_are_a_change =  BooleanField('Treat empty pages as a change?', default=False)
     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()])
+    api_access_token_enabled = BooleanField('API access token security check enabled', default=True, validators=[validators.Optional()])
     password = SaltyPasswordField()
 
 

changedetectionio/html_tools.py

@@ -39,7 +39,7 @@ def element_removal(selectors: List[str], html_content):
 def xpath_filter(xpath_filter, html_content):
     from lxml import etree, html
 
-    tree = html.fromstring(html_content)
+    tree = html.fromstring(bytes(html_content, encoding='utf-8'))
     html_block = ""
 
     for item in tree.xpath(xpath_filter.strip(), namespaces={'re':'http://exslt.org/regular-expressions'}):

changedetectionio/importer.py

@@ -92,7 +92,7 @@ class import_distill_io_json(Importer):
 
         for d in data.get('data'):
             d_config = json.loads(d['config'])
-            extras = {'title': d['name']}
+            extras = {'title': d.get('name', None)}
 
             if len(d['uri']) and good < 5000:
                 try:
@@ -114,12 +114,9 @@ class import_distill_io_json(Importer):
                 except IndexError:
                     pass
 
-                try:
+
+                if d.get('tags', False):
                     extras['tag'] = ", ".join(d['tags'])
-                except KeyError:
-                    pass
-                except IndexError:
-                    pass
 
                 new_uuid = datastore.add_watch(url=d['uri'].strip(),
                                                extras=extras,

changedetectionio/model/App.py

@@ -23,17 +23,20 @@ class model(dict):
                 'requests': {
                     'timeout': 15,  # Default 15 seconds
                     'time_between_check': {'weeks': None, 'days': None, 'hours': 3, 'minutes': None, 'seconds': None},
+                    'jitter_seconds': 0,
                     'workers': 10,  # Number of threads, lower is better for slow connections
                     'proxy': None # Preferred proxy connection
                 },
                 'application': {
+                    'api_access_token_enabled': True,
                     'password': False,
                     'base_url' : None,
                     'extract_title_as_title': False,
+                    'empty_pages_are_a_change': 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,
+                    'ignore_whitespace': True,
                     'render_anchor_tag_content': False,
                     'notification_urls': [], # Apprise URL list
                     # Custom notification content

changedetectionio/model/Watch.py

@@ -1,5 +1,4 @@
 import os
-
 import uuid as uuid_builder
 
 minimum_seconds_recheck_time = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 60))
@@ -12,31 +11,34 @@ from changedetectionio.notification import (
 
 
 class model(dict):
-    base_config = {
+    __newest_history_key = None
+    __history_n=0
+    __base_config = {
             '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': 0,
+            #'newest_history_key': 0,
             'title': None,
             'previous_md5': False,
-#           UUID not needed, should be generated only as a key
-#            'uuid':
+            'uuid': str(uuid_builder.uuid4()),
             'headers': {},  # Extra headers to send
             'body': None,
             'method': 'GET',
-            'history': {},  # Dict of timestamp and output stripped filename
+            #'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': "",
+            'css_filter': '',
+            'extract_text': [],  # Extract text by regex after filters
             'subtractive_selectors': [],
             'trigger_text': [],  # List of text or regex to wait for until a change is detected
+            'text_should_not_be_present': [], # Text that should not present
             'fetch_backend': None,
             'extract_title_as_title': False,
             'proxy': None, # Preferred proxy connection
@@ -46,12 +48,106 @@ class model(dict):
             'time_between_check': {'weeks': None, 'days': None, 'hours': None, 'minutes': None, 'seconds': None},
             'webdriver_delay': None
         }
-
+    jitter_seconds = 0
+    mtable = {'seconds': 1, 'minutes': 60, 'hours': 3600, 'days': 86400, 'weeks': 86400 * 7}
     def __init__(self, *arg, **kw):
-        self.update(self.base_config)
+        import uuid
+        self.update(self.__base_config)
+        self.__datastore_path = kw['datastore_path']
+
+        self['uuid'] = str(uuid.uuid4())
+
+        del kw['datastore_path']
+
+        if kw.get('default'):
+            self.update(kw['default'])
+            del kw['default']
+
         # goes at the end so we update the default object with the initialiser
         super(model, self).__init__(*arg, **kw)
 
+    @property
+    def viewed(self):
+        if int(self['last_viewed']) >= int(self.newest_history_key) :
+            return True
+
+        return False
+
+    @property
+    def history_n(self):
+        return self.__history_n
+
+    @property
+    def history(self):
+        tmp_history = {}
+        import logging
+        import time
+
+        # Read the history file as a dict
+        fname = os.path.join(self.__datastore_path, self.get('uuid'), "history.txt")
+        if os.path.isfile(fname):
+            logging.debug("Reading history index " + str(time.time()))
+            with open(fname, "r") as f:
+                tmp_history = dict(i.strip().split(',', 2) for i in f.readlines())
+
+        if len(tmp_history):
+            self.__newest_history_key = list(tmp_history.keys())[-1]
+
+        self.__history_n = len(tmp_history)
+
+        return tmp_history
+
+    @property
+    def has_history(self):
+        fname = os.path.join(self.__datastore_path, self.get('uuid'), "history.txt")
+        return os.path.isfile(fname)
+
+    # Returns the newest key, but if theres only 1 record, then it's counted as not being new, so return 0.
+    @property
+    def newest_history_key(self):
+        if self.__newest_history_key is not None:
+            return self.__newest_history_key
+
+        if len(self.history) <= 1:
+            return 0
+
+
+        bump = self.history
+        return self.__newest_history_key
+
+
+    # Save some text file to the appropriate path and bump the history
+    # result_obj from fetch_site_status.run()
+    def save_history_text(self, contents, timestamp):
+        import uuid
+        from os import mkdir, path, unlink
+        import logging
+
+        output_path = "{}/{}".format(self.__datastore_path, self['uuid'])
+
+        # Incase the operator deleted it, check and create.
+        if not os.path.isdir(output_path):
+            mkdir(output_path)
+
+        snapshot_fname = "{}/{}.stripped.txt".format(output_path, uuid.uuid4())
+        logging.debug("Saving history text {}".format(snapshot_fname))
+
+        with open(snapshot_fname, 'wb') as f:
+            f.write(contents)
+            f.close()
+
+        # Append to index
+        # @todo check last char was \n
+        index_fname = "{}/history.txt".format(output_path)
+        with open(index_fname, 'a') as f:
+            f.write("{},{}\n".format(timestamp, snapshot_fname))
+            f.close()
+
+        self.__newest_history_key = timestamp
+        self.__history_n+=1
+
+        #@todo bump static cache of the last timestamp so we dont need to examine the file to set a proper ''viewed'' status
+        return snapshot_fname
 
     @property
     def has_empty_checktime(self):
@@ -62,8 +158,7 @@ class model(dict):
 
     def threshold_seconds(self):
         seconds = 0
-        mtable = {'seconds': 1, 'minutes': 60, 'hours': 3600, 'days': 86400, 'weeks': 86400 * 7}
-        for m, n in mtable.items():
+        for m, n in self.mtable.items():
             x = self.get('time_between_check', {}).get(m, None)
             if x:
                 seconds += x * n

changedetectionio/notification.py

@@ -48,6 +48,7 @@ def process_notification(n_object, datastore):
     # Anything higher than or equal to WARNING (which covers things like Connection errors)
     # raise it as an exception
     apobjs=[]
+    sent_objs=[]
     for url in n_object['notification_urls']:
 
         apobj = apprise.Apprise(debug=True)
@@ -67,6 +68,11 @@ def process_notification(n_object, datastore):
                     url += k + 'avatar_url=https://raw.githubusercontent.com/dgtlmoon/changedetection.io/master/changedetectionio/static/images/avatar-256x256.png'
 
                 if url.startswith('tgram://'):
+                    # Telegram only supports a limit subset of HTML, remove the '<br/>' we place in.
+                    # re https://github.com/dgtlmoon/changedetection.io/issues/555
+                    # @todo re-use an existing library we have already imported to strip all non-allowed tags
+                    n_body = n_body.replace('<br/>', '\n')
+                    n_body = n_body.replace('</br>', '\n')
                     # real limit is 4096, but minus some for extra metadata
                     payload_max_size = 3600
                     body_limit = max(0, payload_max_size - len(n_title))
@@ -96,6 +102,15 @@ def process_notification(n_object, datastore):
                 log_value = logs.getvalue()
                 if log_value and 'WARNING' in log_value or 'ERROR' in log_value:
                     raise Exception(log_value)
+                
+                sent_objs.append({'title': n_title,
+                                  'body': n_body,
+                                  'url' : url,
+                                  'body_format': n_format})
+
+    # Return what was sent for better logging - after the for loop
+    return sent_objs
+
 
 # Notification title + body content parameters get created here.
 def create_notification_parameters(n_object, datastore):

changedetectionio/run_all_tests.sh

@@ -22,3 +22,26 @@ echo "RUNNING WITH BASE_URL SET"
 export BASE_URL="https://really-unique-domain.io"
 pytest tests/test_notification.py
 
+
+# Now for the selenium and playwright/browserless fetchers
+# Note - this is not UI functional tests - just checking that each one can fetch the content
+
+echo "TESTING WEBDRIVER FETCH > SELENIUM/WEBDRIVER..."
+docker run -d --name $$-test_selenium  -p 4444:4444 --rm --shm-size="2g"  selenium/standalone-chrome-debug:3.141.59
+# takes a while to spin up
+sleep 5
+export WEBDRIVER_URL=http://localhost:4444/wd/hub
+pytest tests/fetchers/test_content.py
+unset WEBDRIVER_URL
+docker kill $$-test_selenium
+
+echo "TESTING WEBDRIVER FETCH > PLAYWRIGHT/BROWSERLESS..."
+# Not all platforms support playwright (not ARM/rPI), so it's not packaged in requirements.txt
+pip3 install playwright~=1.22
+docker run -d --name $$-test_browserless -e "DEFAULT_LAUNCH_ARGS=[\"--window-size=1920,1080\"]" --rm  -p 3000:3000  --shm-size="2g"  browserless/chrome:1.53-chrome-stable
+# takes a while to spin up
+sleep 5
+export PLAYWRIGHT_DRIVER_URL=ws://127.0.0.1:3000
+pytest tests/fetchers/test_content.py
+unset PLAYWRIGHT_DRIVER_URL
+docker kill $$-test_browserless

changedetectionio/static/js/diff-overview.js

@@ -0,0 +1,17 @@
+$(document).ready(function () {
+    // Load it when the #screenshot tab is in use, so we dont give a slow experience when waiting for the text diff to load
+    window.addEventListener('hashchange', function (e) {
+        toggle(location.hash);
+    }, false);
+
+    toggle(location.hash);
+
+    function toggle(hash_name) {
+        if (hash_name === '#screenshot') {
+            $("img#screenshot-img").attr('src', screenshot_url);
+            $("#settings").hide();
+        } else {
+            $("#settings").show();
+        }
+    }
+});

changedetectionio/static/js/global-settings.js

@@ -1,4 +1,4 @@
-$(document).ready(function() {
+$(document).ready(function () {
     function toggle() {
         if ($('input[name="application-fetch_backend"]:checked').val() != 'html_requests') {
             $('#requests-override-options').hide();
@@ -8,9 +8,29 @@ $(document).ready(function() {
             $('#webdriver-override-options').hide();
         }
     }
+
     $('input[name="application-fetch_backend"]').click(function (e) {
         toggle();
     });
     toggle();
 
+    $("#api-key").hover(
+        function () {
+            $("#api-key-copy").html('copy').fadeIn();
+        },
+        function () {
+            $("#api-key-copy").hide();
+        }
+    ).click(function (e) {
+        $("#api-key-copy").html('copied');
+        var range = document.createRange();
+        var n = $("#api-key")[0];
+        range.selectNode(n);
+        window.getSelection().removeAllRanges();
+        window.getSelection().addRange(range);
+        document.execCommand("copy");
+        window.getSelection().removeAllRanges();
+
+    });
 });
+

changedetectionio/static/js/limit.js

@@ -0,0 +1,56 @@
+/**
+ * debounce
+ * @param {integer} milliseconds This param indicates the number of milliseconds
+ *     to wait after the last call before calling the original function.
+ * @param {object} What "this" refers to in the returned function.
+ * @return {function} This returns a function that when called will wait the
+ *     indicated number of milliseconds after the last call before
+ *     calling the original function.
+ */
+Function.prototype.debounce = function (milliseconds, context) {
+    var baseFunction = this,
+        timer = null,
+        wait = milliseconds;
+
+    return function () {
+        var self = context || this,
+            args = arguments;
+
+        function complete() {
+            baseFunction.apply(self, args);
+            timer = null;
+        }
+
+        if (timer) {
+            clearTimeout(timer);
+        }
+
+        timer = setTimeout(complete, wait);
+    };
+};
+
+/**
+* throttle
+* @param {integer} milliseconds This param indicates the number of milliseconds
+*     to wait between calls before calling the original function.
+* @param {object} What "this" refers to in the returned function.
+* @return {function} This returns a function that when called will wait the
+*     indicated number of milliseconds between calls before
+*     calling the original function.
+*/
+Function.prototype.throttle = function (milliseconds, context) {
+    var baseFunction = this,
+        lastEventTimestamp = null,
+        limit = milliseconds;
+
+    return function () {
+        var self = context || this,
+            args = arguments,
+            now = Date.now();
+
+        if (!lastEventTimestamp || now - lastEventTimestamp >= limit) {
+            lastEventTimestamp = now;
+            baseFunction.apply(self, args);
+        }
+    };
+};

changedetectionio/static/js/notifications.js

@@ -40,13 +40,19 @@ $(document).ready(function() {
     $.ajax({
       type: "POST",
       url: notification_base_url,
-      data : data
+      data : data,
+        statusCode: {
+        400: function() {
+            // More than likely the CSRF token was lost when the server restarted
+          alert("There was a problem processing the request, please reload the page.");
+        }
+      }
     }).done(function(data){
       console.log(data);
       alert('Sent');
     }).fail(function(data){
       console.log(data);
-      alert('Error: '+data.responseJSON.error);
+      alert('There was an error communicating with the server.');
     })
   });
 });

changedetectionio/static/js/visual-selector.js

@@ -0,0 +1,230 @@
+// Horrible proof of concept code :)
+// yes - this is really a hack, if you are a front-ender and want to help, please get in touch!
+
+$(document).ready(function() {
+
+    var current_selected_i;
+    var state_clicked=false;
+
+    var c;
+
+    // greyed out fill context
+    var xctx;
+    // redline highlight context
+    var ctx;
+
+    var current_default_xpath;
+    var x_scale=1;
+    var y_scale=1;
+    var selector_image;
+    var selector_image_rect;
+    var selector_data;
+
+    $('#visualselector-tab').click(function () {
+        $("img#selector-background").off('load');
+        state_clicked = false;
+        current_selected_i = false;
+        bootstrap_visualselector();
+    });
+
+    $(document).on('keydown', function(event) {
+        if ($("img#selector-background").is(":visible")) {
+            if (event.key == "Escape") {
+                state_clicked=false;
+                ctx.clearRect(0, 0, c.width, c.height);
+            }
+        }
+    });
+
+    // For when the page loads
+    if(!window.location.hash || window.location.hash != '#visualselector') {
+        $("img#selector-background").attr('src','');
+        return;
+    }
+
+    // Handle clearing button/link
+    $('#clear-selector').on('click', function(event) {
+        if(!state_clicked) {
+            alert('Oops, Nothing selected!');
+        }
+        state_clicked=false;
+        ctx.clearRect(0, 0, c.width, c.height);
+        xctx.clearRect(0, 0, c.width, c.height);
+        $("#css_filter").val('');
+    });
+
+
+    bootstrap_visualselector();
+
+
+
+    function bootstrap_visualselector() {
+        if ( 1 ) {
+            // bootstrap it, this will trigger everything else
+            $("img#selector-background").bind('load', function () {
+                console.log("Loaded background...");
+               c = document.getElementById("selector-canvas");
+                // greyed out fill context
+               xctx = c.getContext("2d");
+                // redline highlight context
+               ctx = c.getContext("2d");
+               current_default_xpath =$("#css_filter").val();
+               fetch_data();
+               $('#selector-canvas').off("mousemove mousedown");
+               // screenshot_url defined in the edit.html template
+            }).attr("src", screenshot_url);
+        }
+    }
+
+    function fetch_data() {
+      // Image is ready
+      $('.fetching-update-notice').html("Fetching element data..");
+
+      $.ajax({
+        url: watch_visual_selector_data_url,
+        context: document.body
+      }).done(function (data) {
+        $('.fetching-update-notice').html("Rendering..");
+        selector_data = data;
+        console.log("Reported browser width from backend: "+data['browser_width']);
+        state_clicked=false;
+        set_scale();
+        reflow_selector();
+        $('.fetching-update-notice').fadeOut();
+      });
+    };
+
+
+
+    function set_scale() {
+
+      // some things to check if the scaling doesnt work
+      // - that the widths/sizes really are about the actual screen size cat elements.json |grep -o width......|sort|uniq
+      selector_image = $("img#selector-background")[0];
+      selector_image_rect = selector_image.getBoundingClientRect();
+
+      // make the canvas the same size as the image
+      $('#selector-canvas').attr('height', selector_image_rect.height);
+      $('#selector-canvas').attr('width', selector_image_rect.width);
+      $('#selector-wrapper').attr('width', selector_image_rect.width);
+      x_scale = selector_image_rect.width / selector_data['browser_width'];
+      y_scale = selector_image_rect.height / selector_image.naturalHeight;
+      ctx.strokeStyle = 'rgba(255,0,0, 0.9)';
+      ctx.fillStyle = 'rgba(255,0,0, 0.1)';
+      ctx.lineWidth = 3;
+      console.log("scaling set  x: "+x_scale+" by y:"+y_scale);
+      $("#selector-current-xpath").css('max-width', selector_image_rect.width);
+    }
+
+    function reflow_selector() {
+        $(window).resize(function() {
+            set_scale();
+            highlight_current_selected_i();
+        });
+      var selector_currnt_xpath_text=$("#selector-current-xpath span");
+
+      set_scale();
+
+      console.log(selector_data['size_pos'].length + " selectors found");
+
+      // highlight the default one if we can find it in the xPath list
+      // or the xpath matches the default one
+      found = false;
+      if(current_default_xpath.length) {
+          for (var i = selector_data['size_pos'].length; i!==0; i--) {
+            var sel = selector_data['size_pos'][i-1];
+            if(selector_data['size_pos'][i - 1].xpath == current_default_xpath) {
+            console.log("highlighting "+current_default_xpath);
+              current_selected_i = i-1;
+              highlight_current_selected_i();
+              found = true;
+              break;
+            }
+          }
+        if(!found) {
+          alert("Unfortunately your existing CSS/xPath Filter was no longer found!");
+        }
+      }
+
+
+      $('#selector-canvas').bind('mousemove', function (e) {
+        if(state_clicked) {
+          return;
+        }
+        ctx.clearRect(0, 0, c.width, c.height);
+        current_selected_i=null;
+
+        // Add in offset
+        if ((typeof e.offsetX === "undefined" || typeof e.offsetY === "undefined") || (e.offsetX === 0 && e.offsetY === 0)) {
+          var targetOffset = $(e.target).offset();
+          e.offsetX = e.pageX - targetOffset.left;
+          e.offsetY = e.pageY - targetOffset.top;
+        }
+
+        // Reverse order - the most specific one should be deeper/"laster"
+        // Basically, find the most 'deepest'
+        var found=0;
+        ctx.fillStyle = 'rgba(205,0,0,0.35)';
+        for (var i = selector_data['size_pos'].length; i!==0; i--) {
+          // draw all of them? let them choose somehow?
+          var sel = selector_data['size_pos'][i-1];
+          // If we are in a bounding-box
+          if (e.offsetY > sel.top * y_scale && e.offsetY < sel.top * y_scale + sel.height * y_scale
+              &&
+              e.offsetX > sel.left * y_scale && e.offsetX < sel.left * y_scale + sel.width * y_scale
+
+          ) {
+
+            // FOUND ONE
+            set_current_selected_text(sel.xpath);
+            ctx.strokeRect(sel.left * x_scale, sel.top * y_scale, sel.width * x_scale, sel.height * y_scale);
+            ctx.fillRect(sel.left * x_scale, sel.top * y_scale, sel.width * x_scale, sel.height * y_scale);
+
+            // no need to keep digging
+            // @todo or, O to go out/up, I to go in
+            // or double click to go up/out the selector?
+            current_selected_i=i-1;
+            found+=1;
+            break;
+          }
+        }
+
+      }.debounce(5));
+
+      function set_current_selected_text(s) {
+        selector_currnt_xpath_text[0].innerHTML=s;
+      }
+
+      function highlight_current_selected_i() {
+        if(state_clicked) {
+          state_clicked=false;
+          xctx.clearRect(0,0,c.width, c.height);
+          return;
+        }
+
+        var sel = selector_data['size_pos'][current_selected_i];
+        if (sel[0] == '/') {
+        // @todo - not sure just checking / is right
+            $("#css_filter").val('xpath:'+sel.xpath);
+        } else {
+            $("#css_filter").val(sel.xpath);
+        }
+        xctx.fillStyle = 'rgba(205,205,205,0.95)';
+        xctx.strokeStyle = 'rgba(225,0,0,0.9)';
+        xctx.lineWidth = 3;
+        xctx.fillRect(0,0,c.width, c.height);
+        // Clear out what only should be seen (make a clear/clean spot)
+        xctx.clearRect(sel.left * x_scale, sel.top * y_scale, sel.width * x_scale, sel.height * y_scale);
+        xctx.strokeRect(sel.left * x_scale, sel.top * y_scale, sel.width * x_scale, sel.height * y_scale);
+        state_clicked=true;
+        set_current_selected_text(sel.xpath);
+
+      }
+
+
+      $('#selector-canvas').bind('mousedown', function (e) {
+        highlight_current_selected_i();
+      });
+    }
+
+});

changedetectionio/static/js/watch-overview.js

@@ -4,6 +4,7 @@ $(function () {
     $(this).closest('.unviewed').removeClass('unviewed');
   });
 
+
   $('.with-share-link > *').click(function () {
       $("#copied-clipboard").remove();
 
@@ -20,5 +21,6 @@ $(function () {
        $(this).remove();
       });
   });
+
 });
 

changedetectionio/static/styles/styles.css

@@ -284,6 +284,11 @@ footer {
 .pure-form {
   /* The input fields with errors */
   /* The list of errors */ }
+  .pure-form fieldset {
+    padding-top: 0px; }
+    .pure-form fieldset ul {
+      padding-bottom: 0px;
+      margin-bottom: 0px; }
   .pure-form .pure-control-group, .pure-form .pure-group, .pure-form .pure-controls {
     padding-bottom: 1em; }
     .pure-form .pure-control-group div, .pure-form .pure-group div, .pure-form .pure-controls div {
@@ -333,7 +338,8 @@ footer {
     padding-top: 110px; }
   div.tabs.collapsable ul li {
     display: block;
-    border-radius: 0px; }
+    border-radius: 0px;
+    margin-right: 0px; }
   input[type='text'] {
     width: 100%; }
   /*
@@ -347,6 +353,8 @@ and also iPads specifically.
     /* Hide table headers (but not display: none;, for accessibility) */ }
     .watch-table thead, .watch-table tbody, .watch-table th, .watch-table td, .watch-table tr {
       display: block; }
+    .watch-table .last-checked > span {
+      vertical-align: middle; }
     .watch-table .last-checked::before {
       color: #555;
       content: "Last Checked "; }
@@ -364,7 +372,8 @@ and also iPads specifically.
     .watch-table td {
       /* Behave  like a "row" */
       border: none;
-      border-bottom: 1px solid #eee; }
+      border-bottom: 1px solid #eee;
+      vertical-align: middle; }
       .watch-table td:before {
         /* Top/left values mimic padding */
         top: 6px;
@@ -424,6 +433,15 @@ and also iPads specifically.
   .tab-pane-inner:target {
     display: block; }
 
+#beta-logo {
+  height: 50px;
+  right: -3px;
+  top: -3px;
+  position: absolute; }
+
+#selector-header {
+  padding-bottom: 1em; }
+
 .edit-form {
   min-width: 70%;
   /* so it cant overflow */
@@ -447,4 +465,70 @@ ul {
 .time-check-widget tr {
   display: inline; }
   .time-check-widget tr input[type="number"] {
-    width: 4em; }
+    width: 5em; }
+
+#selector-wrapper {
+  height: 600px;
+  overflow-y: scroll;
+  position: relative; }
+  #selector-wrapper > img {
+    position: absolute;
+    z-index: 4;
+    max-width: 100%; }
+  #selector-wrapper > canvas {
+    position: relative;
+    z-index: 5;
+    max-width: 100%; }
+    #selector-wrapper > canvas:hover {
+      cursor: pointer; }
+
+#selector-current-xpath {
+  font-size: 80%; }
+
+#webdriver-override-options input[type="number"] {
+  width: 5em; }
+
+#api-key:hover {
+  cursor: pointer; }
+
+#api-key-copy {
+  color: #0078e7; }
+
+/* spinner */
+.loader,
+.loader:after {
+  border-radius: 50%;
+  width: 10px;
+  height: 10px; }
+
+.loader {
+  margin: 0px auto;
+  font-size: 3px;
+  vertical-align: middle;
+  display: inline-block;
+  text-indent: -9999em;
+  border-top: 1.1em solid rgba(38, 104, 237, 0.2);
+  border-right: 1.1em solid rgba(38, 104, 237, 0.2);
+  border-bottom: 1.1em solid rgba(38, 104, 237, 0.2);
+  border-left: 1.1em solid #2668ed;
+  -webkit-transform: translateZ(0);
+  -ms-transform: translateZ(0);
+  transform: translateZ(0);
+  -webkit-animation: load8 1.1s infinite linear;
+  animation: load8 1.1s infinite linear; }
+
+@-webkit-keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg); }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg); } }
+
+@keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg); }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg); } }

changedetectionio/static/styles/styles.scss

@@ -375,6 +375,13 @@ footer {
 
 
 .pure-form {
+    fieldset {
+        padding-top: 0px;
+        ul {
+            padding-bottom: 0px;
+            margin-bottom: 0px;
+        }
+    }
     .pure-control-group, .pure-group, .pure-controls {
         padding-bottom: 1em;
         div {
@@ -462,6 +469,7 @@ footer {
   div.tabs.collapsable ul li {
     display: block;
     border-radius: 0px;
+    margin-right: 0px;
   }
 
   input[type='text'] {
@@ -479,6 +487,11 @@ and also iPads specifically.
       display: block;
     }
 
+    .last-checked {
+      > span {
+        vertical-align: middle;
+      }
+    }
     .last-checked::before {
       color: #555;
       content: "Last Checked ";
@@ -509,7 +522,7 @@ and also iPads specifically.
       /* Behave  like a "row" */
       border: none;
       border-bottom: 1px solid #eee;
-
+      vertical-align: middle;
       &:before {
         /* Top/left values mimic padding */
         top: 6px;
@@ -606,6 +619,18 @@ $form-edge-padding: 20px;
     padding: 0px;
 }
 
+#beta-logo {
+    height: 50px;
+    // looks better when it's hanging off a little
+    right: -3px;
+    top: -3px;
+    position: absolute;
+}
+
+#selector-header {
+    padding-bottom: 1em;
+}
+
 .edit-form {
   min-width: 70%;
   /* so it cant overflow */
@@ -637,7 +662,92 @@ ul {
     tr {
         display: inline;
         input[type="number"] {
-            width: 4em;
+            width: 5em;
         }
     }
-}
+}
+
+#selector-wrapper {
+ height: 600px;
+ overflow-y: scroll;
+ position: relative;
+    //width: 100%;
+ > img {
+    position: absolute;
+    z-index: 4;
+    max-width: 100%;
+ }
+ >canvas {
+    position: relative;
+    z-index: 5;
+     max-width: 100%;
+     &:hover {
+     cursor: pointer;
+     }
+ }
+}
+
+#selector-current-xpath {
+  font-size: 80%;
+}
+
+#webdriver-override-options {
+        input[type="number"] {
+            width: 5em;
+        }
+}
+
+#api-key {
+  &:hover {
+    cursor: pointer;
+  }
+}
+
+#api-key-copy {
+  color: #0078e7;
+}
+
+/* spinner */
+.loader,
+.loader:after {
+  border-radius: 50%;
+  width: 10px;
+  height: 10px;
+}
+.loader {
+  margin: 0px auto;
+  font-size: 3px;
+  vertical-align: middle;
+  display: inline-block;
+  text-indent: -9999em;
+  border-top: 1.1em solid rgba(38,104,237, 0.2);
+  border-right: 1.1em solid rgba(38,104,237, 0.2);
+  border-bottom: 1.1em solid rgba(38,104,237, 0.2);
+  border-left: 1.1em solid #2668ed;
+  -webkit-transform: translateZ(0);
+  -ms-transform: translateZ(0);
+  transform: translateZ(0);
+  -webkit-animation: load8 1.1s infinite linear;
+  animation: load8 1.1s infinite linear;
+}
+@-webkit-keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}
+@keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}
+

changedetectionio/store.py

@@ -12,6 +12,7 @@ from os import mkdir, path, unlink
 from threading import Lock
 import re
 import requests
+import secrets
 
 from . model import App, Watch
 
@@ -39,7 +40,7 @@ class ChangeDetectionStore:
 
         # Base definition for all watchers
         # deepcopy part of #569 - not sure why its needed exactly
-        self.generic_definition = deepcopy(Watch.model())
+        self.generic_definition = deepcopy(Watch.model(datastore_path = datastore_path, default={}))
 
         if path.isfile('changedetectionio/source.txt'):
             with open('changedetectionio/source.txt') as f:
@@ -70,13 +71,10 @@ class ChangeDetectionStore:
                     if 'application' in from_disk['settings']:
                         self.__data['settings']['application'].update(from_disk['settings']['application'])
 
-                # Reinitialise each `watching` with our generic_definition in the case that we add a new var in the future.
-                # @todo pretty sure theres a python we todo this with an abstracted(?) object!
+                # Convert each existing watch back to the Watch.model object
                 for uuid, watch in self.__data['watching'].items():
-                    _blank = deepcopy(self.generic_definition)
-                    _blank.update(watch)
-                    self.__data['watching'].update({uuid: _blank})
-                    self.__data['watching'][uuid]['newest_history_key'] = self.get_newest_history_key(uuid)
+                    watch['uuid']=uuid
+                    self.__data['watching'][uuid] = Watch.model(datastore_path=self.datastore_path, default=watch)
                     print("Watching:", uuid, self.__data['watching'][uuid]['url'])
 
         # First time ran, doesnt exist.
@@ -86,8 +84,7 @@ 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/CHANGELOG.txt')
+                self.add_watch(url='https://changedetection.io/CHANGELOG.txt', tag='changedetection.io')
 
         self.__data['version_tag'] = version_tag
 
@@ -107,10 +104,13 @@ class ChangeDetectionStore:
 
         # Generate the URL access token for RSS feeds
         if not 'rss_access_token' in self.__data['settings']['application']:
-            import secrets
             secret = secrets.token_hex(16)
             self.__data['settings']['application']['rss_access_token'] = secret
 
+        # Generate the API access token
+        if not 'api_access_token' in self.__data['settings']['application']:
+            secret = secrets.token_hex(16)
+            self.__data['settings']['application']['api_access_token'] = secret
 
         # Proxy list support - available as a selection in settings when text file is imported
         # CSV list
@@ -127,23 +127,8 @@ class ChangeDetectionStore:
         # Finally start the thread that will manage periodic data saves to JSON
         save_data_thread = threading.Thread(target=self.save_datastore).start()
 
-    # Returns the newest key, but if theres only 1 record, then it's counted as not being new, so return 0.
-    def get_newest_history_key(self, uuid):
-        if len(self.__data['watching'][uuid]['history']) == 1:
-            return 0
-
-        dates = list(self.__data['watching'][uuid]['history'].keys())
-        # 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)
-        if len(dates):
-            # always keyed as str
-            return str(dates[0])
-
-        return 0
-
     def set_last_viewed(self, uuid, timestamp):
+        logging.debug("Setting watch UUID: {} last viewed to {}".format(uuid, int(timestamp)))
         self.data['watching'][uuid].update({'last_viewed': int(timestamp)})
         self.needs_write = True
 
@@ -167,7 +152,6 @@ class ChangeDetectionStore:
                         del (update_obj[dict_key])
 
             self.__data['watching'][uuid].update(update_obj)
-            self.__data['watching'][uuid]['newest_history_key'] = self.get_newest_history_key(uuid)
 
         self.needs_write = True
 
@@ -175,27 +159,26 @@ class ChangeDetectionStore:
     def threshold_seconds(self):
         seconds = 0
         mtable = {'seconds': 1, 'minutes': 60, 'hours': 3600, 'days': 86400, 'weeks': 86400 * 7}
-        minimum_seconds_recheck_time = int(os.getenv('MINIMUM_SECONDS_RECHECK_TIME', 60))
         for m, n in mtable.items():
             x = self.__data['settings']['requests']['time_between_check'].get(m)
             if x:
                 seconds += x * n
-        return max(seconds, minimum_seconds_recheck_time)
+        return seconds
+
+    @property
+    def has_unviewed(self):
+        for uuid, watch in self.__data['watching'].items():
+            if watch.viewed == False:
+                return True
+        return False
 
     @property
     def data(self):
         has_unviewed = False
-        for uuid, v in self.__data['watching'].items():
-            self.__data['watching'][uuid]['newest_history_key'] = self.get_newest_history_key(uuid)
-            if int(v['newest_history_key']) <= int(v['last_viewed']):
-                self.__data['watching'][uuid]['viewed'] = True
-
-            else:
-                self.__data['watching'][uuid]['viewed'] = False
-                has_unviewed = True
-
+        for uuid, watch in self.__data['watching'].items():
             # #106 - Be sure this is None on empty string, False, None, etc
             # Default var for fetch_backend
+            # @todo this may not be needed anymore, or could be easily removed
             if not self.__data['watching'][uuid]['fetch_backend']:
                 self.__data['watching'][uuid]['fetch_backend'] = self.__data['settings']['application']['fetch_backend']
 
@@ -204,14 +187,13 @@ class ChangeDetectionStore:
         if not self.__data['settings']['application']['base_url']:
           self.__data['settings']['application']['base_url'] = env_base_url.strip('" ')
 
-        self.__data['has_unviewed'] = has_unviewed
-
         return self.__data
 
     def get_all_tags(self):
         tags = []
         for uuid, watch in self.data['watching'].items():
-
+            if watch['tag'] is None:
+                continue
             # Support for comma separated list of tags.
             for tag in watch['tag'].split(','):
                 tag = tag.strip()
@@ -235,11 +217,11 @@ class ChangeDetectionStore:
 
                 # GitHub #30 also delete history records
                 for uuid in self.data['watching']:
-                    for path in self.data['watching'][uuid]['history'].values():
+                    for path in self.data['watching'][uuid].history.values():
                         self.unlink_history_file(path)
 
             else:
-                for path in self.data['watching'][uuid]['history'].values():
+                for path in self.data['watching'][uuid].history.values():
                     self.unlink_history_file(path)
 
                 del self.data['watching'][uuid]
@@ -271,15 +253,31 @@ class ChangeDetectionStore:
     def scrub_watch(self, uuid):
         import pathlib
 
-        self.__data['watching'][uuid].update({'history': {}, 'last_checked': 0, 'last_changed': 0, 'newest_history_key': 0, 'previous_md5': False})
-        self.needs_write_urgent = True
+        self.__data['watching'][uuid].update(
+            {'last_checked': 0,
+             'last_changed': 0,
+             'last_viewed': 0,
+             'previous_md5': False,
+             'last_notification_error': False,
+             'last_error': False})
 
-        for item in pathlib.Path(self.datastore_path).rglob(uuid+"/*.txt"):
+        # JSON Data, Screenshots, Textfiles (history index and snapshots), HTML in the future etc
+        for item in pathlib.Path(os.path.join(self.datastore_path, uuid)).rglob("*.*"):
             unlink(item)
 
+        # Force the attr to recalculate
+        bump = self.__data['watching'][uuid].history
+
+        self.needs_write_urgent = True
+
     def add_watch(self, url, tag="", extras=None, write_to_disk_now=True):
+
         if extras is None:
             extras = {}
+        # should always be str
+        if tag is None or not tag:
+            tag=''
+
         # Incase these are copied across, assume it's a reference and deepcopy()
         apply_extras = deepcopy(extras)
 
@@ -292,14 +290,15 @@ class ChangeDetectionStore:
                                      headers={'App-Guid': self.__data['app_guid']})
                 res = r.json()
 
-                # List of permisable stuff we accept from the wild internet
+                # List of permissible attributes we accept from the wild internet
                 for k in ['url', 'tag',
-                                   'paused', 'title',
-                                   'previous_md5', 'headers',
-                                   'body', 'method',
-                                   'ignore_text', 'css_filter',
-                                   'subtractive_selectors', 'trigger_text',
-                                   'extract_title_as_title']:
+                          'paused', 'title',
+                          'previous_md5', 'headers',
+                          'body', 'method',
+                          'ignore_text', 'css_filter',
+                          'subtractive_selectors', 'trigger_text',
+                          'extract_title_as_title', 'extract_text',
+                          'text_should_not_be_present']:
                     if res.get(k):
                         apply_extras[k] = res[k]
 
@@ -309,16 +308,15 @@ class ChangeDetectionStore:
                 return False
 
         with self.lock:
-            # @todo use a common generic version of this
-            new_uuid = str(uuid_builder.uuid4())
+
             # #Re 569
-            # Not sure why deepcopy was needed here, sometimes new watches would appear to already have 'history' set
-            # I assumed this would instantiate a new object but somehow an existing dict was getting used
-            new_watch = deepcopy(Watch.model({
+            new_watch = Watch.model(datastore_path=self.datastore_path, default={
                 'url': url,
                 'tag': tag
-            }))
+            })
 
+            new_uuid = new_watch['uuid']
+            logging.debug("Added URL {} - {}".format(url, new_uuid))
 
             for k in ['uuid', 'history', 'last_checked', 'last_changed', 'newest_history_key', 'previous_md5', 'viewed']:
                 if k in apply_extras:
@@ -338,23 +336,6 @@ class ChangeDetectionStore:
             self.sync_to_json()
         return new_uuid
 
-    # Save some text file to the appropriate path and bump the history
-    # result_obj from fetch_site_status.run()
-    def save_history_text(self, watch_uuid, contents):
-        import uuid
-
-        output_path = "{}/{}".format(self.datastore_path, watch_uuid)
-        # Incase the operator deleted it, check and create.
-        if not os.path.isdir(output_path):
-            mkdir(output_path)
-
-        fname = "{}/{}.stripped.txt".format(output_path, uuid.uuid4())
-        with open(fname, 'wb') as f:
-            f.write(contents)
-            f.close()
-
-        return fname
-
     def get_screenshot(self, watch_uuid):
         output_path = "{}/{}".format(self.datastore_path, watch_uuid)
         fname = "{}/last-screenshot.png".format(output_path)
@@ -363,6 +344,15 @@ class ChangeDetectionStore:
 
         return False
 
+    def visualselector_data_is_ready(self, watch_uuid):
+        output_path = "{}/{}".format(self.datastore_path, watch_uuid)
+        screenshot_filename = "{}/last-screenshot.png".format(output_path)
+        elements_index_filename = "{}/elements.json".format(output_path)
+        if path.isfile(screenshot_filename) and  path.isfile(elements_index_filename) :
+            return True
+
+        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)
@@ -371,6 +361,14 @@ class ChangeDetectionStore:
             f.write(screenshot)
             f.close()
 
+    def save_xpath_data(self, watch_uuid, data):
+        output_path = "{}/{}".format(self.datastore_path, watch_uuid)
+        fname = "{}/elements.json".format(output_path)
+        with open(fname, 'w') as f:
+            f.write(json.dumps(data))
+            f.close()
+
+
     def sync_to_json(self):
         logging.info("Saving JSON..")
         print("Saving JSON..")
@@ -423,8 +421,8 @@ class ChangeDetectionStore:
 
         index=[]
         for uuid in self.data['watching']:
-            for id in self.data['watching'][uuid]['history']:
-                index.append(self.data['watching'][uuid]['history'][str(id)])
+            for id in self.data['watching'][uuid].history:
+                index.append(self.data['watching'][uuid].history[str(id)])
 
         import pathlib
 
@@ -495,3 +493,28 @@ class ChangeDetectionStore:
                 # Only upgrade individual watch time if it was set
                 if watch.get('minutes_between_check', False):
                     self.data['watching'][uuid]['time_between_check']['minutes'] = watch['minutes_between_check']
+
+    # Move the history list to a flat text file index
+    # Better than SQLite because this list is only appended to, and works across NAS / NFS type setups
+    def update_2(self):
+        # @todo test running this on a newly updated one (when this already ran)
+        for uuid, watch in self.data['watching'].items():
+            history = []
+
+            if watch.get('history', False):
+                for d, p in watch['history'].items():
+                    d = int(d)  # Used to be keyed as str, we'll fix this now too
+                    history.append("{},{}\n".format(d,p))
+
+                if len(history):
+                    target_path = os.path.join(self.datastore_path, uuid)
+                    if os.path.exists(target_path):
+                        with open(os.path.join(target_path, "history.txt"), "w") as f:
+                            f.writelines(history)
+                    else:
+                        logging.warning("Datastore history directory {} does not exist, skipping history import.".format(target_path))
+
+                # No longer needed, dynamically pulled from the disk when needed.
+                # But we should set it back to a empty dict so we don't break if this schema runs on an earlier version.
+                # In the distant future we can remove this entirely
+                self.data['watching'][uuid]['history'] = {}

changedetectionio/templates/_common_fields.jinja

@@ -14,7 +14,7 @@
                                 <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>
+                                <li><code>tgram://</code> only supports very limited HTML and can fail when extra tags are sent, <a href="https://core.telegram.org/bots/api#html-style">read more here</a> (or use plaintext/markdown format)</li>
                               </ul>
                             </div>
                             <br/>
@@ -22,6 +22,7 @@
 {% if emailprefix %}
                             <a id="add-email-helper" class="pure-button button-secondary button-xsmall" style="font-size: 70%">Add email</a>
 {% endif %}
+                            <a href="{{url_for('notification_logs')}}" class="pure-button button-secondary button-xsmall" style="font-size: 70%">Notification debug logs</a>
                         </div>
                         <div id="notification-customisation" class="pure-control-group">
                             <div class="pure-control-group">

changedetectionio/templates/diff.html

@@ -1,6 +1,11 @@
 {% extends 'base.html' %}
 
 {% block content %}
+<script>
+    const screenshot_url="{{url_for('static_content', group='screenshot', filename=uuid)}}";
+</script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='diff-overview.js')}}" defer></script>
+
 <div id="settings">
     <h1>Differences</h1>
     <form class="pure-form " action="" method="GET">
@@ -39,9 +44,7 @@
 <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 %}
+        <li class="tab" id="screenshot-tab"><a href="#screenshot">Screenshot</a></li>
     </ul>
 </div>
 
@@ -63,17 +66,21 @@
          </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 class="tip">
+             For now, Differences are performed on text, not graphically, only the latest screenshot is available.
+         </div>
+         </br>
+         {% if is_html_webdriver %}
+           {% if screenshot %}
+             <img style="max-width: 80%" id="screenshot-img" alt="Current screenshot from most recent request"/>
+           {% else %}
+              No screenshot available just yet! Try rechecking the page.
+           {% endif %}
+         {% else %}
+           <strong>Screenshot requires Playwright/WebDriver enabled</strong>
+         {% endif %}
      </div>
-{% endif %}
-
 </div>
 
 

changedetectionio/templates/edit.html

@@ -5,12 +5,18 @@
 <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')}}";
+    const watch_visual_selector_data_url="{{url_for('static_content', group='visual_selector_data', filename=uuid)}}";
+    const screenshot_url="{{url_for('static_content', group='screenshot', filename=uuid)}}";
+
 {% if emailprefix %}
     const email_notification_prefix=JSON.parse('{{ emailprefix|tojson }}');
 {% endif %}
+
 </script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='watch-settings.js')}}" defer></script>
 <script type="text/javascript" src="{{url_for('static_content', group='js', filename='notifications.js')}}" defer></script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='visual-selector.js')}}" defer></script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='limit.js')}}" defer></script>
 
 <div class="edit-form monospaced-textarea">
 
@@ -18,6 +24,7 @@
         <ul>
             <li class="tab" id="default-tab"><a href="#general">General</a></li>
             <li class="tab"><a href="#request">Request</a></li>
+            <li class="tab"><a id="visualselector-tab" href="#visualselector">Visual Selector</a></li>
             <li class="tab"><a href="#filters-and-triggers">Filters &amp; Triggers</a></li>
             <li class="tab"><a href="#notifications">Notifications</a></li>
         </ul>
@@ -73,7 +80,7 @@
                         </span>
                     </div>
                 {% endif %}
-                <fieldset class="pure-group" id="webdriver-override-options">
+                <fieldset id="webdriver-override-options">
                     <div class="pure-form-message-inline">
                         <strong>If you're having trouble waiting for the page to be fully rendered (text missing etc), try increasing the 'wait' time here.</strong>
                         <br/>
@@ -125,8 +132,7 @@ User-Agent: wonderbra 1.0") }}
             </div>
 
             <div class="tab-pane-inner" id="filters-and-triggers">
-                <fieldset>
-                        <div class="pure-control-group">
+                    <div class="pure-control-group">
                             <strong>Pro-tips:</strong><br/>
                             <ul>
                                 <li>
@@ -137,7 +143,6 @@ User-Agent: wonderbra 1.0") }}
                                 </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") }}
@@ -153,7 +158,7 @@ User-Agent: wonderbra 1.0") }}
                                 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">
+                    <div class="pure-control-group">
                       {{ render_field(form.subtractive_selectors, rows=5, placeholder="header
 footer
 nav
@@ -164,8 +169,7 @@ nav
                           <li> Add multiple elements or CSS selectors per line to ignore multiple parts of the HTML. </li>
                         </ul>
                       </span>
-                    </fieldset>
-                </fieldset>
+                    </div>
                 <fieldset class="pure-group">
                     {{ render_field(form.ignore_text, rows=5, placeholder="Some text to ignore in a line
 /some.regex\d{2}/ for case-INsensitive regex
@@ -195,6 +199,73 @@ nav
                         </span>
                     </div>
                 </fieldset>
+                <fieldset>
+                    <div class="pure-control-group">
+                        {{ render_field(form.text_should_not_be_present, rows=5, placeholder="For example: Out of stock
+Sold out
+Not in stock
+Unavailable") }}
+                        <span class="pure-form-message-inline">
+                            <ul>
+                                <li>Block change-detection while this text is on the page, all text and regex are tested <i>case-insensitive</i>, good for waiting for when a product is available again</li>
+                                <li>Block text is processed from the result-text that comes out of any CSS/JSON Filters for this watch</li>
+                                <li>All lines here must not exist (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>
+                </fieldset>
+                <fieldset>
+                    <div class="pure-control-group">
+                        {{ render_field(form.extract_text, rows=5, placeholder="\d+ online") }}
+                        <span class="pure-form-message-inline">
+                    <ul>
+                        <li>Extracts text in the final output after other filters using regular expressions, for example <code>\d+ online</code></li>
+                        <li>One line per regular-expression.</li>
+                    </ul>
+                        </span>
+                    </div>
+                </fieldset>
+            </div>
+
+            <div class="tab-pane-inner visual-selector-ui" id="visualselector">
+                <img id="beta-logo" src="{{url_for('static_content', group='images', filename='beta-logo.png')}}">
+
+                <fieldset>
+                    <div class="pure-control-group">
+                        {% if visualselector_enabled %}
+                            {% if visualselector_data_is_ready %}
+                                <div id="selector-header">
+                                    <a id="clear-selector" class="pure-button button-secondary button-xsmall" style="font-size: 70%">Clear selection</a>
+                                    <i class="fetching-update-notice" style="font-size: 80%;">One moment, fetching screenshot and element information..</i>
+                                </div>
+                                <div id="selector-wrapper">
+                                    <!-- request the screenshot and get the element offset info ready -->
+                                    <!-- use img src ready load to know everything is ready to map out -->
+                                    <!-- @todo: maybe something interesting like a field to select 'elements that contain text... and their parents n' -->
+                                    <img id="selector-background" />
+                                    <canvas id="selector-canvas"></canvas>
+
+                                </div>
+                                <div id="selector-current-xpath" style="overflow-x: hidden"><strong>Currently:</strong>&nbsp;<span class="text">Loading...</span></div>
+
+                            <span class="pure-form-message-inline">
+                                <p><span style="font-weight: bold">Beta!</span> The Visual Selector is new and there may be minor bugs, please report pages that dont work, help us to improve this software!</p>
+                            </span>
+
+                            {% else %}
+                                <span class="pure-form-message-inline">Screenshot and element data is not available or not yet ready.</span>
+                            {% endif %}
+                        {% else %}
+                            <span class="pure-form-message-inline">
+                                <p>Sorry, this functionality only works with Playwright/Chrome enabled watches.</p>
+                                <p>Enable the Playwright Chrome fetcher, or alternatively try our <a href="https://lemonade.changedetection.io/start">very affordable subscription based service</a>.</p>
+                                <p>This is because Selenium/WebDriver can not extract full page screenshots reliably.</p>
+
+                            </span>
+                        {% endif %}
+                    </div>
+                </fieldset>
             </div>
 
             <div id="actions">
@@ -202,9 +273,11 @@ nav
 
                       {{ render_button(form.save_button) }} {{ render_button(form.save_and_preview_button) }}
 
-                    <a href="{{url_for('api_delete', uuid=uuid)}}"
+                    <a href="{{url_for('form_delete', uuid=uuid)}}"
                        class="pure-button button-small button-error ">Delete</a>
-                    <a href="{{url_for('api_clone', uuid=uuid)}}"
+                    <a href="{{url_for('scrub_watch', uuid=uuid)}}"
+                       class="pure-button button-small button-error ">Scrub</a>
+                    <a href="{{url_for('form_clone', uuid=uuid)}}"
                        class="pure-button button-small ">Create Copy</a>
                 </div>
             </div>

changedetectionio/templates/notification-log.html

@@ -4,7 +4,7 @@
 <div class="edit-form">
      <div class="inner">
 
-         <h4 style="margin-top: 0px;">The following issues were detected when sending notifications</h4>
+         <h4 style="margin-top: 0px;">Notification debug log</h4>
                 <div id="notification-error-log">
                 <ul style="font-size: 80%; margin:0px; padding: 0 0 0 7px">
                 {% for log in logs|reverse %}

changedetectionio/templates/preview.html

@@ -1,6 +1,10 @@
 {% extends 'base.html' %}
 
 {% block content %}
+<script>
+    const screenshot_url="{{url_for('static_content', group='screenshot', filename=uuid)}}";
+</script>
+<script type="text/javascript" src="{{url_for('static_content', group='js', filename='diff-overview.js')}}" defer></script>
 
 <div id="settings">
     <h1>Current - {{watch.last_checked|format_timestamp_timeago}}</h1>
@@ -10,9 +14,7 @@
 <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 %}
+        <li class="tab" id="screenshot-tab"><a href="#screenshot">Screenshot</a></li>
     </ul>
 </div>
 
@@ -31,15 +33,20 @@
             </tbody>
         </table>
     </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 class="tip">
+             For now, Differences are performed on text, not graphically, only the latest screenshot is available.
+         </div>
+         </br>
+         {% if is_html_webdriver %}
+           {% if screenshot %}
+             <img style="max-width: 80%" id="screenshot-img" alt="Current screenshot from most recent request"/>
+           {% else %}
+              No screenshot available just yet! Try rechecking the page.
+           {% endif %}
+         {% else %}
+           <strong>Screenshot requires Playwright/WebDriver enabled</strong>
+         {% endif %}
      </div>
-{% endif %}
 </div>
 {% endblock %}

changedetectionio/templates/settings.html

@@ -20,6 +20,7 @@
             <li class="tab"><a href="#notifications">Notifications</a></li>
             <li class="tab"><a href="#fetching">Fetching</a></li>
             <li class="tab"><a href="#filters">Global Filters</a></li>
+            <li class="tab"><a href="#api">API</a></li>
         </ul>
     </div>
     <div class="box-wrap inner">
@@ -31,6 +32,11 @@
                         {{ render_field(form.requests.form.time_between_check, class="time-check-widget") }}
                         <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">
+                        {{ render_field(form.requests.form.jitter_seconds, class="jitter_seconds") }}
+                        <span class="pure-form-message-inline">Example - 3 seconds random jitter could trigger up to 3 seconds earlier or up to 3 seconds later</span>
+                    </div>
+
                     <div class="pure-control-group">
                         {% if not hide_remove_pass %}
                             {% if current_user.is_authenticated %}
@@ -43,6 +49,7 @@
                             <span class="pure-form-message-inline">Password is locked.</span>
                         {% endif %}
                     </div>
+
                     <div class="pure-control-group">
                         {{ render_field(form.application.form.base_url, placeholder="http://yoursite.com:5000/",
                         class="m-d") }}
@@ -61,6 +68,11 @@
                         {{ 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>
+
+                    <div class="pure-control-group">
+                        {{ render_checkbox_field(form.application.form.empty_pages_are_a_change) }}
+                        <span class="pure-form-message-inline">When a page contains HTML, but no renderable text appears (empty page), is this considered a change?</span>
+                    </div>
                 {% if form.requests.proxy %}
                     <div class="pure-control-group inline-radio">
                         {{ render_field(form.requests.form.proxy, class="fetch-backend-proxy") }}
@@ -100,7 +112,6 @@
                 </fieldset>
             </div>
 
-
             <div class="tab-pane-inner" id="filters">
 
                     <fieldset class="pure-group">
@@ -145,12 +156,26 @@ nav
                     </fieldset>
            </div>
 
+            <div class="tab-pane-inner" id="api">
+
+                <p>Drive your changedetection.io via API, More about <a href="https://github.com/dgtlmoon/changedetection.io/wiki/API-Reference">API access here</a></p>
+
+                <div class="pure-control-group">
+                    {{ render_checkbox_field(form.application.form.api_access_token_enabled) }}
+                    <div class="pure-form-message-inline">Restrict API access limit by using <code>x-api-key</code> header</div><br/>
+                    <div class="pure-form-message-inline"><br/>API Key <span id="api-key">{{api_key}}</span>
+                        <span style="display:none;" id="api-key-copy" >copy</span>
+                    </div>
+                </div>
+            </div>
+
             <div id="actions">
                 <div class="pure-control-group">
                     {{ 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>
     </div>

changedetectionio/templates/watch-overview.html

@@ -3,9 +3,10 @@
 {% 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">
+    <form class="pure-form" action="{{ url_for('form_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>
@@ -13,7 +14,7 @@
                 {{ 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>
-        <span style="color:#eee; font-size: 80%;"><img style="height: 1em;display:inline-block;" src="{{url_for('static_content', group='images', filename='spread.svg')}}" /> Tip: You can also add 'shared' watches. <a href="#">More info</a></a></span>
+        <span style="color:#eee; font-size: 80%;"><img style="height: 1em;display:inline-block;" src="{{url_for('static_content', group='images', filename='spread.svg')}}" /> Tip: You can also add 'shared' watches. <a href="https://github.com/dgtlmoon/changedetection.io/wiki/Sharing-a-Watch">More info</a></a></span>
     </form>
     <div>
         <a href="{{url_for('index')}}" class="pure-button button-tag {{'active' if not active_tag }}">All</a>
@@ -45,14 +46,14 @@
                 {% 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 and watch.history_n>=2 %}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.replace('source:','') }}"></a>
-                    <a href="{{url_for('api_share_put_watch', uuid=watch.uuid)}}"><img style="height: 1em;display:inline-block;" src="{{url_for('static_content', group='images', filename='spread.svg')}}" /></a>
+                    <a href="{{url_for('form_share_put_watch', uuid=watch.uuid)}}"><img style="height: 1em;display:inline-block;" src="{{url_for('static_content', group='images', filename='spread.svg')}}" /></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 %}
 
@@ -66,21 +67,21 @@
                     <span class="watch-tag-list">{{ watch.tag}}</span>
                     {% endif %}
                 </td>
-                <td class="last-checked">{{watch|format_last_checked_time}}</td>
-                <td class="last-changed">{% if watch.history|length >= 2 and watch.last_changed %}
+                <td class="last-checked">{{watch|format_last_checked_time|safe}}</td>
+                <td class="last-changed">{% if watch.history_n >=2 and watch.last_changed %}
                     {{watch.last_changed|format_timestamp_timeago}}
                     {% else %}
                     Not yet
                     {% endif %}
                 </td>
                 <td>
-                    <a {% if watch.uuid in queued_uuids %}disabled="true"{% endif %} href="{{ url_for('api_watch_checknow', uuid=watch.uuid, tag=request.args.get('tag')) }}"
+                    <a {% if watch.uuid in queued_uuids %}disabled="true"{% endif %} href="{{ url_for('form_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 %}
+                    {% if watch.history_n >= 2 %}
                     <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 %}
+                        {% if watch.history_n == 1 %}
                             <a href="{{ url_for('preview_page', uuid=watch.uuid)}}" target="{{watch.uuid}}" class="pure-button button-small pure-button-primary">Preview</a>
                         {% endif %}
                     {% endif %}
@@ -96,7 +97,7 @@
             </li>
             {% endif %}
             <li>
-               <a href="{{ url_for('api_watch_checknow', tag=active_tag) }}" class="pure-button button-tag ">Recheck
+               <a href="{{ url_for('form_watch_checknow', tag=active_tag) }}" class="pure-button button-tag ">Recheck
                 all {% if active_tag%}in "{{active_tag}}"{%endif%}</a>
             </li>
             <li>

changedetectionio/tests/conftest.py

@@ -32,6 +32,8 @@ def app(request):
     """Create application for the tests."""
     datastore_path = "./test-datastore"
 
+    # So they don't delay in fetching
+    os.environ["MINIMUM_SECONDS_RECHECK_TIME"] = "0"
     try:
         os.mkdir(datastore_path)
     except FileExistsError:

changedetectionio/tests/fetchers/__init__.py

@@ -0,0 +1,2 @@
+"""Tests for the app."""
+

changedetectionio/tests/fetchers/conftest.py

@@ -0,0 +1,3 @@
+#!/usr/bin/python3
+
+from .. import conftest

changedetectionio/tests/fetchers/test_content.py

@@ -0,0 +1,48 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from ..util import live_server_setup
+import logging
+
+
+def test_fetch_webdriver_content(client, live_server):
+    live_server_setup(live_server)
+
+    #####################
+    res = client.post(
+        url_for("settings_page"),
+        data={"application-empty_pages_are_a_change": "",
+              "requests-time_between_check-minutes": 180,
+              'application-fetch_backend': "html_webdriver"},
+        follow_redirects=True
+    )
+
+    assert b"Settings updated." in res.data
+
+    # Add our URL to the import page
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": "https://changedetection.io/ci-test.html"},
+        follow_redirects=True
+    )
+
+    assert b"1 Imported" in res.data
+    time.sleep(3)
+    attempt = 0
+    while attempt < 20:
+        res = client.get(url_for("index"))
+        if not b'Checking now' in res.data:
+            break
+        logging.getLogger().info("Waiting for check to not say 'Checking now'..")
+        time.sleep(3)
+        attempt += 1
+
+
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+    logging.getLogger().info("Looking for correct fetched HTML (text) from server")
+
+    assert b'cool it works' in res.data

changedetectionio/tests/test_api.py

@@ -2,73 +2,192 @@
 
 import time
 from flask import url_for
-from . util import live_server_setup
+from .util import live_server_setup, extract_api_key_from_UI
 
-def test_setup(live_server):
-    live_server_setup(live_server)
+import json
+import uuid
 
 
-def set_response_data(test_return_data):
+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>
+     <div id="sametext">Some text thats the same</div>
+     <div id="changetext">Some text that will change</div>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+    return None
+
+
+def set_modified_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <p>which has this one new line</p>
+     </br>
+     So let's see what happens.  </br>
+     <div id="sametext">Some text thats the same</div>
+     <div id="changetext">Some text that changes</div>
+     </body>
+     </html>
+    """
+
     with open("test-datastore/endpoint-content.txt", "w") as f:
         f.write(test_return_data)
 
+    return None
 
-def test_snapshot_api_detects_change(client, live_server):
-    test_return_data = "Some initial text"
 
-    test_return_data_modified = "Some NEW nice initial text"
+def is_valid_uuid(val):
+    try:
+        uuid.UUID(str(val))
+        return True
+    except ValueError:
+        return False
 
-    sleep_time_for_fetch_thread = 3
 
-    set_response_data(test_return_data)
+def test_api_simple(client, live_server):
+    live_server_setup(live_server)
 
-    # Give the endpoint time to spin up
-    time.sleep(1)
+    api_key = extract_api_key_from_UI(client)
 
-    # Add our URL to the import page
-    test_url = url_for('test_endpoint', content_type="text/plain",
-                       _external=True)
+    # Create a watch
+    set_original_response()
+    watch_uuid = None
+
+    # Validate bad URL
+    test_url = url_for('test_endpoint', _external=True,
+                       headers={'x-api-key': api_key}, )
     res = client.post(
-        url_for("import_page"),
-        data={"urls": test_url},
+        url_for("createwatch"),
+        data=json.dumps({"url": "h://xxxxxxxxxom"}),
+        headers={'content-type': 'application/json', 'x-api-key': api_key},
         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)
-
-    res = client.get(
-        url_for("api_snapshot", uuid="first"),
-        follow_redirects=True
-    )
-
-    assert test_return_data.encode() == res.data
-
-    #  Make a change
-    set_response_data(test_return_data_modified)
-
-    # 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)
-
-    res = client.get(
-        url_for("api_snapshot", uuid="first"),
-        follow_redirects=True
-    )
-
-    assert test_return_data_modified.encode() == res.data
-
-def test_snapshot_api_invalid_uuid(client, live_server):
-
-    res = client.get(
-        url_for("api_snapshot", uuid="invalid"),
-        follow_redirects=True
-    )
-
     assert res.status_code == 400
 
+    # Create new
+    res = client.post(
+        url_for("createwatch"),
+        data=json.dumps({"url": test_url, 'tag': "One, Two", "title": "My test URL"}),
+        headers={'content-type': 'application/json', 'x-api-key': api_key},
+        follow_redirects=True
+    )
+    s = json.loads(res.data)
+    assert is_valid_uuid(s['uuid'])
+    watch_uuid = s['uuid']
+    assert res.status_code == 201
+
+    time.sleep(3)
+
+    # Verify its in the list and that recheck worked
+    res = client.get(
+        url_for("createwatch"),
+        headers={'x-api-key': api_key}
+    )
+    assert watch_uuid in json.loads(res.data).keys()
+    before_recheck_info = json.loads(res.data)[watch_uuid]
+    assert before_recheck_info['last_checked'] != 0
+    assert before_recheck_info['title'] == 'My test URL'
+
+    set_modified_response()
+    # Trigger recheck of all ?recheck_all=1
+    client.get(
+        url_for("createwatch", recheck_all='1'),
+        headers={'x-api-key': api_key},
+    )
+    time.sleep(3)
+
+    # Did the recheck fire?
+    res = client.get(
+        url_for("createwatch"),
+        headers={'x-api-key': api_key},
+    )
+    after_recheck_info = json.loads(res.data)[watch_uuid]
+    assert after_recheck_info['last_checked'] != before_recheck_info['last_checked']
+    assert after_recheck_info['last_changed'] != 0
+
+    # Check history index list
+    res = client.get(
+        url_for("watchhistory", uuid=watch_uuid),
+        headers={'x-api-key': api_key},
+    )
+    history = json.loads(res.data)
+    assert len(history) == 2, "Should have two history entries (the original and the changed)"
+
+    # Fetch a snapshot by timestamp, check the right one was found
+    res = client.get(
+        url_for("watchsinglehistory", uuid=watch_uuid, timestamp=list(history.keys())[-1]),
+        headers={'x-api-key': api_key},
+    )
+    assert b'which has this one new line' in res.data
+
+    # Fetch a snapshot by 'latest'', check the right one was found
+    res = client.get(
+        url_for("watchsinglehistory", uuid=watch_uuid, timestamp='latest'),
+        headers={'x-api-key': api_key},
+    )
+    assert b'which has this one new line' in res.data
+
+    # Fetch the whole watch
+    res = client.get(
+        url_for("watch", uuid=watch_uuid),
+        headers={'x-api-key': api_key}
+    )
+    watch = json.loads(res.data)
+    # @todo how to handle None/default global values?
+    assert watch['history_n'] == 2, "Found replacement history section, which is in its own API"
+
+    # Finally delete the watch
+    res = client.delete(
+        url_for("watch", uuid=watch_uuid),
+        headers={'x-api-key': api_key},
+    )
+    assert res.status_code == 204
+
+    # Check via a relist
+    res = client.get(
+        url_for("createwatch"),
+        headers={'x-api-key': api_key}
+    )
+    watch_list = json.loads(res.data)
+    assert len(watch_list) == 0, "Watch list should be empty"
+
+
+def test_access_denied(client, live_server):
+    # `config_api_token_enabled` Should be On by default
+    res = client.get(
+        url_for("createwatch")
+    )
+    assert res.status_code == 403
+
+    res = client.get(
+        url_for("createwatch"),
+        headers={'x-api-key': "something horrible"}
+    )
+    assert res.status_code == 403
+
+    # Disable config_api_token_enabled and it should work
+    res = client.post(
+        url_for("settings_page"),
+        data={
+            "requests-time_between_check-minutes": 180,
+            "application-fetch_backend": "html_requests",
+            "application-api_access_token_enabled": ""
+        },
+        follow_redirects=True
+    )
+
+    assert b"Settings updated." in res.data
+
+    res = client.get(
+        url_for("createwatch")
+    )
+    assert res.status_code == 200

changedetectionio/tests/test_auth.py

@@ -29,7 +29,7 @@ def test_basic_auth(client, live_server):
     assert b"Updated watch." in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(1)
     res = client.get(
         url_for("preview_page", uuid="first"),

changedetectionio/tests/test_backend.py

@@ -3,14 +3,15 @@
 import time
 from flask import url_for
 from urllib.request import urlopen
-from . util import set_original_response, set_modified_response, live_server_setup
+from .util import set_original_response, set_modified_response, live_server_setup
 
 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>"
+    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'
 
@@ -32,7 +33,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
 
     # Do this a few times.. ensures we dont accidently set the status
     for n in range(3):
-        client.get(url_for("api_watch_checknow"), follow_redirects=True)
+        client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
         # Give the thread time to pick it up
         time.sleep(sleep_time_for_fetch_thread)
@@ -65,7 +66,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
     assert b'which has this one new line' in res.read()
 
     # Force recheck
-    res = client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    res = client.get(url_for("form_watch_checknow"), follow_redirects=True)
     assert b'1 watches are queued for rechecking.' in res.data
 
     time.sleep(sleep_time_for_fetch_thread)
@@ -82,7 +83,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
     # 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
@@ -93,7 +94,7 @@ def test_check_basic_change_detection_functionality(client, live_server):
 
     # Do this a few times.. ensures we dont accidently set the status
     for n in range(2):
-        client.get(url_for("api_watch_checknow"), follow_redirects=True)
+        client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
         # Give the thread time to pick it up
         time.sleep(sleep_time_for_fetch_thread)
@@ -101,7 +102,8 @@ def test_check_basic_change_detection_functionality(client, live_server):
         # It should report nothing found (no new 'unviewed' class)
         res = client.get(url_for("index"))
         assert b'unviewed' not in res.data
-        assert b'head title' not in res.data # Should not be present because this is off by default
+        assert b'Mark all viewed' not in res.data
+        assert b'head title' not in res.data  # Should not be present because this is off by default
         assert b'test-endpoint' in res.data
 
     set_original_response()
@@ -109,20 +111,28 @@ 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={"application-extract_title_as_title": "1", "requests-time_between_check-minutes": 180, 'application-fetch_backend': "html_requests"},
+        data={"application-extract_title_as_title": "1", "requests-time_between_check-minutes": 180,
+              'application-fetch_backend': "html_requests"},
         follow_redirects=True
     )
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
 
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
+    assert b'Mark all viewed' in res.data
+
     # It should have picked up the <title>
     assert b'head title' in res.data
 
+    # hit the mark all viewed link
+    res = client.get(url_for("mark_all_viewed"), follow_redirects=True)
+
+    assert b'Mark all viewed' not in res.data
+    assert b'unviewed' not in res.data
+
     #
     # Cleanup everything
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
-

changedetectionio/tests/test_block_while_text_present.py

@@ -0,0 +1,137 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from . util import live_server_setup
+from changedetectionio import html_tools
+
+def set_original_ignore_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_modified_original_ignore_response():
+    test_return_data = """<html>
+       <body>
+     Some NEW nice initial text</br>
+     <p>Which is across multiple lines</p>
+     </br>
+     So let's see what happens.  </br>
+     <p>new ignore stuff</p>
+     <p>out of stock</p>
+     <p>blah</p>
+     </body>
+     </html>
+
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+# Is the same but includes ZZZZZ, 'ZZZZZ' is the last line in ignore_text
+def set_modified_response_minus_block_text():
+    test_return_data = """<html>
+       <body>
+     Some NEW nice initial text</br>
+     <p>Which is across multiple lines</p>
+     <p>now on sale $2/p>
+     </br>
+     So let's see what happens.  </br>
+     <p>new ignore stuff</p>
+     <p>blah</p>
+     </body>
+     </html>
+
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+
+def test_check_block_changedetection_text_NOT_present(client, live_server):
+    sleep_time_for_fetch_thread = 3
+    live_server_setup(live_server)
+    # Use a mix of case in ZzZ to prove it works case-insensitive.
+    ignore_text = "out of stoCk\r\nfoobar"
+
+    set_original_ignore_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
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Goto the edit page, add our ignore text
+    # Add our URL to the import page
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"text_should_not_be_present": ignore_text, "url": test_url, 'fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+    # Check it saved
+    res = client.get(
+        url_for("edit_page", uuid="first"),
+    )
+    assert bytes(ignore_text.encode('utf-8')) in res.data
+
+    # Trigger a check
+    client.get(url_for("form_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' not in res.data
+    assert b'/test-endpoint' in res.data
+
+    # The page changed, BUT the text is still there, just the rest of it changes, we should not see a change
+    set_modified_original_ignore_response()
+
+    # Trigger a check
+    client.get(url_for("form_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' not in res.data
+    assert b'/test-endpoint' in res.data
+
+
+    # Now we set a change where the text is gone, it should now trigger
+    set_modified_response_minus_block_text()
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
+    time.sleep(sleep_time_for_fetch_thread)
+
+    res = client.get(url_for("index"))
+    assert b'unviewed' in res.data
+
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data

changedetectionio/tests/test_clone.py

@@ -23,7 +23,7 @@ def test_trigger_functionality(client, live_server):
 
 
     res = client.get(
-        url_for("api_clone", uuid="first"),
+        url_for("form_clone", uuid="first"),
         follow_redirects=True
     )
 

changedetectionio/tests/test_css_selector.py

@@ -89,7 +89,7 @@ def test_check_markup_css_filter_restriction(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -110,7 +110,7 @@ def test_check_markup_css_filter_restriction(client, live_server):
     assert bytes(css_filter.encode('utf-8')) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -118,7 +118,7 @@ def test_check_markup_css_filter_restriction(client, live_server):
     set_modified_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 

changedetectionio/tests/test_element_removal.py

@@ -145,20 +145,19 @@ def test_element_removal_full(client, live_server):
     assert bytes(subtractive_selectors_data.encode("utf-8")) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_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
+    # so that we set the state to 'unviewed' after all the edits
+    client.get(url_for("diff_history_page", uuid="first"))
 
     #  Make a change to header/footer/nav
     set_modified_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)

changedetectionio/tests/test_encoding.py

@@ -39,7 +39,7 @@ def test_check_encoding_detection(client, live_server):
     )
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(2)
@@ -71,7 +71,7 @@ def test_check_encoding_detection_missing_content_type_header(client, live_serve
     )
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(2)

changedetectionio/tests/test_errorhandling.py

@@ -29,7 +29,7 @@ def test_error_handler(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -54,7 +54,7 @@ def test_error_text_handler(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)

changedetectionio/tests/test_extract_regex.py

@@ -0,0 +1,127 @@
+#!/usr/bin/python3
+
+import time
+from flask import url_for
+from .util import live_server_setup
+
+from ..html_tools import *
+
+
+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>
+     <div id="sametext">Some text thats the same</div>
+     <div id="changetext">Some text that will change</div>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+    return None
+
+
+def set_modified_response():
+    test_return_data = """<html>
+       <body>
+     Some initial text</br>
+     <p>which has this one new line</p>
+     </br>
+     So let's see what happens.  </br>
+     <div id="sametext">Some text thats the same</div>
+     <div id="changetext">Some text that did change ( 1000 online <br/> 80 guests)</div>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+    return None
+
+
+def test_check_filter_and_regex_extract(client, live_server):
+    sleep_time_for_fetch_thread = 3
+
+    live_server_setup(live_server)
+    css_filter = "#changetext"
+
+    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
+
+    # Trigger a check
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    # Goto the edit page, add our ignore text
+    # Add our URL to the import page
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"css_filter": css_filter,
+              'extract_text': '\d+ online\n\d+ guests',
+              "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 b'\d+ online' in res.data
+
+    # Trigger a check
+#    client.get(url_for("form_watch_checknow"), follow_redirects=True)
+
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    #  Make a change
+    set_modified_response()
+
+    # Trigger a check
+    client.get(url_for("form_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
+
+    # Check HTML conversion detected and workd
+    res = client.get(
+        url_for("preview_page", uuid="first"),
+        follow_redirects=True
+    )
+
+    # Class will be blank for now because the frontend didnt apply the diff
+    assert b'<div class="">1000 online' in res.data
+    
+    # Both regexs should be here
+    assert b'<div class="">80 guests' in res.data
+
+    # Should not be here
+    assert b'Some text that did change' not in res.data

changedetectionio/tests/test_history_consistency.py

@@ -0,0 +1,84 @@
+#!/usr/bin/python3
+
+import time
+import os
+import json
+import logging
+from flask import url_for
+from .util import live_server_setup
+from urllib.parse import urlparse, parse_qs
+
+def test_consistent_history(client, live_server):
+    live_server_setup(live_server)
+
+    # Give the endpoint time to spin up
+    time.sleep(1)
+    r = range(1, 50)
+
+    for one in r:
+        test_url = url_for('test_endpoint', content_type="text/html", content=str(one), _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)
+    while True:
+        res = client.get(url_for("index"))
+        logging.debug("Waiting for 'Checking now' to go away..")
+        if b'Checking now' not in res.data:
+            break
+        time.sleep(0.5)
+
+    time.sleep(3)
+    # Essentially just triggers the DB write/update
+    res = client.post(
+        url_for("settings_page"),
+        data={"application-empty_pages_are_a_change": "",
+              "requests-time_between_check-minutes": 180,
+              'application-fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    assert b"Settings updated." in res.data
+
+    # Give it time to write it out
+    time.sleep(3)
+    json_db_file = os.path.join(live_server.app.config['DATASTORE'].datastore_path, 'url-watches.json')
+
+    json_obj = None
+    with open(json_db_file, 'r') as f:
+        json_obj = json.load(f)
+
+    # assert the right amount of watches was found in the JSON
+    assert len(json_obj['watching']) == len(r), "Correct number of watches was found in the JSON"
+
+    # each one should have a history.txt containing just one line
+    for w in json_obj['watching'].keys():
+        history_txt_index_file = os.path.join(live_server.app.config['DATASTORE'].datastore_path, w, 'history.txt')
+        assert os.path.isfile(history_txt_index_file), "History.txt should exist where I expect it - {}".format(history_txt_index_file)
+
+        # Same like in model.Watch
+        with open(history_txt_index_file, "r") as f:
+            tmp_history = dict(i.strip().split(',', 2) for i in f.readlines())
+            assert len(tmp_history) == 1, "History.txt should contain 1 line"
+
+        # Should be two files,. the history.txt , and the snapshot.txt
+        files_in_watch_dir = os.listdir(os.path.join(live_server.app.config['DATASTORE'].datastore_path,
+                                                     w))
+        # Find the snapshot one
+        for fname in files_in_watch_dir:
+            if fname != 'history.txt':
+                # contents should match what we requested as content returned from the test url
+                with open(os.path.join(live_server.app.config['DATASTORE'].datastore_path, w, fname), 'r') as snapshot_f:
+                    contents = snapshot_f.read()
+                    watch_url = json_obj['watching'][w]['url']
+                    u = urlparse(watch_url)
+                    q = parse_qs(u[4])
+                    assert q['content'][0] == contents.strip(), "Snapshot file {} should contain {}".format(fname, q['content'][0])
+
+
+
+        assert len(files_in_watch_dir) == 2, "Should be just two files in the dir, history.txt and the snapshot"

changedetectionio/tests/test_ignore_text.py

@@ -102,7 +102,7 @@ def test_check_ignore_text_functionality(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -123,7 +123,7 @@ def test_check_ignore_text_functionality(client, live_server):
     assert bytes(ignore_text.encode('utf-8')) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -137,7 +137,7 @@ def test_check_ignore_text_functionality(client, live_server):
     set_modified_ignore_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 
@@ -152,7 +152,7 @@ def test_check_ignore_text_functionality(client, live_server):
 
     # Just to be sure.. set a regular modified change..
     set_modified_original_ignore_response()
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
 
     res = client.get(url_for("index"))
@@ -165,7 +165,7 @@ def test_check_ignore_text_functionality(client, live_server):
     # 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)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
 
 def test_check_global_ignore_text_functionality(client, live_server):
@@ -200,7 +200,7 @@ def test_check_global_ignore_text_functionality(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -222,7 +222,7 @@ def test_check_global_ignore_text_functionality(client, live_server):
     assert bytes(ignore_text.encode('utf-8')) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -240,7 +240,7 @@ def test_check_global_ignore_text_functionality(client, live_server):
     set_modified_ignore_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 
@@ -251,10 +251,10 @@ def test_check_global_ignore_text_functionality(client, live_server):
 
     # Just to be sure.. set a regular modified change that will trigger it
     set_modified_original_ignore_response()
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
 
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data

changedetectionio/tests/test_ignorehyperlinks.py

@@ -72,14 +72,14 @@ def test_render_anchor_tag_content_true(client, live_server):
 
     time.sleep(sleep_time_for_fetch_thread)
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_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)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -101,7 +101,7 @@ def test_render_anchor_tag_content_true(client, live_server):
     assert b"Settings updated." in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -119,7 +119,7 @@ def test_render_anchor_tag_content_true(client, live_server):
     assert b"/test-endpoint" in res.data
 
     # Cleanup everything
-    res = client.get(url_for("api_delete", uuid="all"),
+    res = client.get(url_for("form_delete", uuid="all"),
                      follow_redirects=True)
     assert b'Deleted' in res.data
 

changedetectionio/tests/test_ignorestatuscode.py

@@ -70,12 +70,12 @@ def test_normal_page_check_works_with_ignore_status_code(client, live_server):
 
     time.sleep(sleep_time_for_fetch_thread)
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_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)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -105,7 +105,7 @@ def test_403_page_check_works_with_ignore_status_code(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -120,7 +120,7 @@ def test_403_page_check_works_with_ignore_status_code(client, live_server):
     assert b"Updated watch." in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -128,7 +128,7 @@ def test_403_page_check_works_with_ignore_status_code(client, live_server):
     set_some_changed_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 
@@ -157,7 +157,7 @@ def test_403_page_check_fails_without_ignore_status_code(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -172,7 +172,7 @@ def test_403_page_check_fails_without_ignore_status_code(client, live_server):
     assert b"Updated watch." in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -180,7 +180,7 @@ def test_403_page_check_fails_without_ignore_status_code(client, live_server):
     set_some_changed_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 

changedetectionio/tests/test_ignorewhitespace.py

@@ -80,12 +80,12 @@ def test_check_ignore_whitespace(client, live_server):
 
     time.sleep(sleep_time_for_fetch_thread)
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     set_original_ignore_response_but_with_whitespace()
     time.sleep(sleep_time_for_fetch_thread)
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)

changedetectionio/tests/test_import.py

@@ -25,7 +25,7 @@ https://example.com tag1, other tag"""
     assert b"3 Imported" in res.data
     assert b"tag1" in res.data
     assert b"other tag" in res.data
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
 
     # Clear flask alerts
     res = client.get( url_for("index"))
@@ -50,7 +50,7 @@ def xtest_import_skip_url(client, live_server):
     assert b"1 Imported" in res.data
     assert b"ht000000broken" in res.data
     assert b"1 Skipped" in res.data
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     # Clear flask alerts
     res = client.get( url_for("index"))
 
@@ -79,7 +79,7 @@ def test_import_distillio(client, live_server):
 
     # Give the endpoint time to spin up
     time.sleep(1)
-    client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     res = client.post(
         url_for("import_page"),
         data={
@@ -115,6 +115,6 @@ def test_import_distillio(client, live_server):
     assert b"nice stuff" in res.data
     assert b"nerd-news" in res.data
 
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     # Clear flask alerts
     res = client.get(url_for("index"))

changedetectionio/tests/test_jsonpath_selector.py

@@ -171,7 +171,7 @@ def test_check_json_without_filter(client, live_server):
     )
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -203,7 +203,7 @@ def test_check_json_filter(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -229,7 +229,7 @@ def test_check_json_filter(client, live_server):
     assert bytes(json_filter.encode('utf-8')) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -237,7 +237,7 @@ def test_check_json_filter(client, live_server):
     set_modified_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(4)
 
@@ -288,7 +288,7 @@ def test_check_json_filter_bool_val(client, live_server):
     time.sleep(3)
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -296,7 +296,7 @@ def test_check_json_filter_bool_val(client, live_server):
     set_modified_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(3)
 
@@ -327,7 +327,7 @@ def test_check_json_ext_filter(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -353,7 +353,7 @@ def test_check_json_ext_filter(client, live_server):
     assert bytes(json_filter.encode('utf-8')) in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(3)
@@ -361,7 +361,7 @@ def test_check_json_ext_filter(client, live_server):
     set_modified_ext_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(4)
 

changedetectionio/tests/test_nonrenderable_pages.py

@@ -0,0 +1,102 @@
+#!/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 set_nonrenderable_response():
+    test_return_data = """<html>
+    <head><title>modified head title</title></head>
+    <!-- like when some angular app was broken and doesnt render or whatever -->
+    <body>
+     </body>
+     </html>
+    """
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(test_return_data)
+
+    return None
+
+def test_check_basic_change_detection_functionality(client, live_server):
+    set_original_response()
+    live_server_setup(live_server)
+
+    # Add our URL to the import page
+    res = client.post(
+        url_for("import_page"),
+        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)
+
+    # Do this a few times.. ensures we dont accidently set the status
+    for n in range(3):
+        client.get(url_for("form_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' not in res.data
+
+
+    #####################
+    client.post(
+        url_for("settings_page"),
+        data={"application-empty_pages_are_a_change": "",
+              "requests-time_between_check-minutes": 180,
+              'application-fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+
+    # this should not trigger a change, because no good text could be converted from the HTML
+    set_nonrenderable_response()
+
+    client.get(url_for("form_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' not in res.data
+
+
+    # ok now do the opposite
+
+    client.post(
+        url_for("settings_page"),
+        data={"application-empty_pages_are_a_change": "y",
+              "requests-time_between_check-minutes": 180,
+              'application-fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    set_modified_response()
+
+
+    client.get(url_for("form_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
+
+
+
+
+    #
+    # Cleanup everything
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+

changedetectionio/tests/test_notification.py

@@ -36,7 +36,7 @@ def test_check_notification(client, live_server):
     # Add our URL to the import page
     test_url = url_for('test_endpoint', _external=True)
     res = client.post(
-        url_for("api_watch_add"),
+        url_for("form_watch_add"),
         data={"url": test_url, "tag": ''},
         follow_redirects=True
     )
@@ -98,7 +98,7 @@ def test_check_notification(client, live_server):
     notification_submission = None
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_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:
@@ -133,7 +133,7 @@ def test_check_notification(client, live_server):
 
     # This should insert the {current_snapshot}
     set_more_modified_response()
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_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:
@@ -146,17 +146,21 @@ def test_check_notification(client, live_server):
     os.unlink("test-datastore/notification.txt")
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(1)
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(1)
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(1)
     assert os.path.exists("test-datastore/notification.txt") == False
 
+    res = client.get(url_for("notification_logs"))
+    # be sure we see it in the output log
+    assert b'New ChangeDetection.io Notification - ' + test_url.encode('utf-8') in res.data
+
     # cleanup for the next
     client.get(
-        url_for("api_delete", uuid="all"),
+        url_for("form_delete", uuid="all"),
         follow_redirects=True
     )
 
@@ -168,7 +172,7 @@ def test_notification_validation(client, live_server):
     # Add our URL to the import page
     test_url = url_for('test_endpoint', _external=True)
     res = client.post(
-        url_for("api_watch_add"),
+        url_for("form_watch_add"),
         data={"url": test_url, "tag": 'nice one'},
         follow_redirects=True
     )
@@ -208,6 +212,6 @@ def test_notification_validation(client, live_server):
 
     # cleanup for the next
     client.get(
-        url_for("api_delete", uuid="all"),
+        url_for("form_delete", uuid="all"),
         follow_redirects=True
     )

changedetectionio/tests/test_notification_errors.py

@@ -16,7 +16,7 @@ def test_check_notification_error_handling(client, live_server):
     # 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"),
+        url_for("form_watch_add"),
         data={"url": "https://changedetection.io/CHANGELOG.txt", "tag": ''},
         follow_redirects=True
     )

changedetectionio/tests/test_share_watch.py

@@ -41,7 +41,7 @@ def test_share_watch(client, live_server):
 
     # click share the link
     res = client.get(
-        url_for("api_share_put_watch", uuid="first"),
+        url_for("form_share_put_watch", uuid="first"),
         follow_redirects=True
     )
 
@@ -54,7 +54,7 @@ def test_share_watch(client, live_server):
 
     # Now delete what we have, we will try to re-import it
     # Cleanup everything
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
 
     # Add our URL to the import page

changedetectionio/tests/test_source.py

@@ -39,7 +39,7 @@ def test_check_basic_change_detection_functionality_source(client, live_server):
     set_modified_response()
 
     # Force recheck
-    res = client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    res = client.get(url_for("form_watch_checknow"), follow_redirects=True)
     assert b'1 watches are queued for rechecking.' in res.data
 
     time.sleep(5)

changedetectionio/tests/test_trigger.py

@@ -43,7 +43,7 @@ def set_modified_with_trigger_text_response():
      Some NEW nice initial text</br>
      <p>Which is across multiple lines</p>
      </br>
-     foobar123
+     Add to cart
      <br/>
      So let's see what happens.  </br>
      </body>
@@ -60,7 +60,7 @@ def test_trigger_functionality(client, live_server):
     live_server_setup(live_server)
 
     sleep_time_for_fetch_thread = 3
-    trigger_text = "foobar123"
+    trigger_text = "Add to cart"
     set_original_ignore_response()
 
     # Give the endpoint time to spin up
@@ -76,10 +76,7 @@ def test_trigger_functionality(client, live_server):
     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)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Goto the edit page, add our ignore text
     # Add our URL to the import page
@@ -98,8 +95,14 @@ def test_trigger_functionality(client, live_server):
     )
     assert bytes(trigger_text.encode('utf-8')) in res.data
 
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+    
+    # so that we set the state to 'unviewed' after all the edits
+    client.get(url_for("diff_history_page", uuid="first"))
+
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -113,7 +116,7 @@ def test_trigger_functionality(client, live_server):
     set_modified_original_ignore_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 
@@ -121,16 +124,22 @@ def test_trigger_functionality(client, live_server):
     res = client.get(url_for("index"))
     assert b'unviewed' not in res.data
 
-    # Just to be sure.. set a regular modified change..
+    # Now set the content which contains the trigger text
     time.sleep(sleep_time_for_fetch_thread)
     set_modified_with_trigger_text_response()
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
+    
+    # https://github.com/dgtlmoon/changedetection.io/issues/616
+    # Apparently the actual snapshot that contains the trigger never shows
+    res = client.get(url_for("diff_history_page", uuid="first"))
+    assert b'Add to cart' 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
+
+    # We should be able to see what we triggered on
+    assert b'<div class="triggered">Add to cart' in res.data

changedetectionio/tests/test_trigger_regex.py

@@ -42,9 +42,6 @@ def test_trigger_regex_functionality(client, live_server):
     )
     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)
 
@@ -60,12 +57,14 @@ def test_trigger_regex_functionality(client, live_server):
               "fetch_backend": "html_requests"},
         follow_redirects=True
     )
-
+    time.sleep(sleep_time_for_fetch_thread)
+    # so that we set the state to 'unviewed' after all the edits
+    client.get(url_for("diff_history_page", uuid="first"))
 
     with open("test-datastore/endpoint-content.txt", "w") as f:
         f.write("some new noise")
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
 
     # It should report nothing found (nothing should match the regex)
@@ -75,7 +74,11 @@ def test_trigger_regex_functionality(client, live_server):
     with open("test-datastore/endpoint-content.txt", "w") as f:
         f.write("regex test123<br/>\nsomething 123")
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
     res = client.get(url_for("index"))
-    assert b'unviewed' in res.data
+    assert b'unviewed' in res.data
+
+    # Cleanup everything
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data

changedetectionio/tests/test_trigger_regex_with_filter.py

@@ -22,10 +22,9 @@ def set_original_ignore_response():
 
 
 
-def test_trigger_regex_functionality(client, live_server):
+def test_trigger_regex_functionality_with_filter(client, live_server):
 
     live_server_setup(live_server)
-
     sleep_time_for_fetch_thread = 3
 
     set_original_ignore_response()
@@ -42,43 +41,44 @@ def test_trigger_regex_functionality(client, live_server):
     )
     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
+    # it needs time to save the original version
     time.sleep(sleep_time_for_fetch_thread)
 
-    # It should report nothing found (just a new one shouldnt have anything)
-    res = client.get(url_for("index"))
-    assert b'unviewed' not in res.data
-
     ### test regex with filter
     res = client.post(
         url_for("edit_page", uuid="first"),
-        data={"trigger_text": "/cool.stuff\d/",
+        data={"trigger_text": "/cool.stuff/",
               "url": test_url,
               "css_filter": '#in-here',
               "fetch_backend": "html_requests"},
         follow_redirects=True
     )
 
+    # Give the thread time to pick it up
+    time.sleep(sleep_time_for_fetch_thread)
+
+    client.get(url_for("diff_history_page", uuid="first"))
+
     # Check that we have the expected text.. but it's not in the css filter we want
     with open("test-datastore/endpoint-content.txt", "w") as f:
         f.write("<html>some new noise with cool stuff2 ok</html>")
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
 
     # It should report nothing found (nothing should match the regex and filter)
     res = client.get(url_for("index"))
     assert b'unviewed' not in res.data
 
+    # now this should trigger something
     with open("test-datastore/endpoint-content.txt", "w") as f:
         f.write("<html>some new noise with <span id=in-here>cool stuff6</span> ok</html>")
 
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     time.sleep(sleep_time_for_fetch_thread)
     res = client.get(url_for("index"))
     assert b'unviewed' in res.data
 
-
+# Cleanup everything
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data

changedetectionio/tests/test_xpath_selector.py

@@ -44,6 +44,61 @@ def set_modified_response():
 
     return None
 
+# Handle utf-8 charset replies https://github.com/dgtlmoon/changedetection.io/pull/613
+def test_check_xpath_filter_utf8(client, live_server):
+    filter='//item/*[self::description]'
+
+    d='''<?xml version="1.0" encoding="UTF-8"?>
+<rss xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
+	<channel>
+		<title>rpilocator.com</title>
+		<link>https://rpilocator.com</link>
+		<description>Find Raspberry Pi Computers in Stock</description>
+		<lastBuildDate>Thu, 19 May 2022 23:27:30 GMT</lastBuildDate>
+		<image>
+			<url>https://rpilocator.com/favicon.png</url>
+			<title>rpilocator.com</title>
+			<link>https://rpilocator.com/</link>
+			<width>32</width>
+			<height>32</height>
+		</image>
+		<item>
+			<title>Stock Alert (UK): RPi CM4 - 1GB RAM, No MMC, No Wifi is In Stock at Pimoroni</title>
+			<description>Stock Alert (UK): RPi CM4 - 1GB RAM, No MMC, No Wifi is In Stock at Pimoroni</description>
+			<link>https://rpilocator.com?vendor=pimoroni&amp;utm_source=feed&amp;utm_medium=rss</link>
+			<category>pimoroni</category>
+			<category>UK</category>
+			<category>CM4</category>
+			<guid isPermaLink="false">F9FAB0D9-DF6F-40C8-8DEE5FC0646BB722</guid>
+			<pubDate>Thu, 19 May 2022 14:32:32 GMT</pubDate>
+		</item>
+	</channel>
+</rss>'''
+
+    with open("test-datastore/endpoint-content.txt", "w") as f:
+        f.write(d)
+
+    # Add our URL to the import page
+    test_url = url_for('test_endpoint', _external=True, content_type="application/rss+xml;charset=UTF-8")
+    res = client.post(
+        url_for("import_page"),
+        data={"urls": test_url},
+        follow_redirects=True
+    )
+    assert b"1 Imported" in res.data
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"css_filter": filter, "url": test_url, "tag": "", "headers": "", 'fetch_backend': "html_requests"},
+        follow_redirects=True
+    )
+    assert b"Updated watch." in res.data
+    time.sleep(3)
+    res = client.get(url_for("index"))
+    assert b'Unicode strings with encoding declaration are not supported.' not in res.data
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
+
+
 
 def test_check_markup_xpath_filter_restriction(client, live_server):
     sleep_time_for_fetch_thread = 3
@@ -65,7 +120,7 @@ def test_check_markup_xpath_filter_restriction(client, live_server):
     assert b"1 Imported" in res.data
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
 
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
@@ -89,12 +144,14 @@ def test_check_markup_xpath_filter_restriction(client, live_server):
     set_modified_response()
 
     # Trigger a check
-    client.get(url_for("api_watch_checknow"), follow_redirects=True)
+    client.get(url_for("form_watch_checknow"), follow_redirects=True)
     # Give the thread time to pick it up
     time.sleep(sleep_time_for_fetch_thread)
 
     res = client.get(url_for("index"))
     assert b'unviewed' not in res.data
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
 
 
 def test_xpath_validation(client, live_server):
@@ -117,11 +174,13 @@ def test_xpath_validation(client, live_server):
         follow_redirects=True
     )
     assert b"is not a valid XPath expression" in res.data
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
+    assert b'Deleted' in res.data
 
 
 # actually only really used by the distll.io importer, but could be handy too
 def test_check_with_prefix_css_filter(client, live_server):
-    res = client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    res = client.get(url_for("form_delete", uuid="all"), follow_redirects=True)
     assert b'Deleted' in res.data
 
     # Give the endpoint time to spin up
@@ -153,9 +212,7 @@ def test_check_with_prefix_css_filter(client, live_server):
         follow_redirects=True
     )
 
-    with open('/tmp/fuck.html', 'wb') as f:
-        f.write(res.data)
     assert b"Some text thats the same" in res.data #in selector
     assert b"Some text that will change" not in res.data #not in selector
 
-    client.get(url_for("api_delete", uuid="all"), follow_redirects=True)
+    client.get(url_for("form_delete", uuid="all"), follow_redirects=True)

changedetectionio/tests/util.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python3
 
 from flask import make_response, request
+from flask import url_for
 
 def set_original_response():
     test_return_data = """<html>
@@ -55,14 +56,32 @@ def set_more_modified_response():
     return None
 
 
+# kinda funky, but works for now
+def extract_api_key_from_UI(client):
+    import re
+    res = client.get(
+        url_for("settings_page"),
+    )
+    # <span id="api-key">{{api_key}}</span>
+
+    m = re.search('<span id="api-key">(.+?)</span>', str(res.data))
+    api_key = m.group(1)
+    return api_key.strip()
+
 def live_server_setup(live_server):
 
     @live_server.app.route('/test-endpoint')
     def test_endpoint():
         ctype = request.args.get('content_type')
         status_code = request.args.get('status_code')
+        content = request.args.get('content') or None
 
         try:
+            if content is not None:
+                resp = make_response(content, status_code)
+                resp.headers['Content-Type'] = ctype if ctype else 'text/html'
+                return resp
+
             # 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)

changedetectionio/update_worker.py

@@ -40,11 +40,11 @@ class update_worker(threading.Thread):
                     contents = ""
                     screenshot = False
                     update_obj= {}
+                    xpath_data = False
                     now = time.time()
 
                     try:
-                        changed_detected, update_obj, contents, screenshot = update_handler.run(uuid)
-
+                        changed_detected, update_obj, contents, screenshot, xpath_data = 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
@@ -52,11 +52,28 @@ class update_worker(threading.Thread):
                             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.ReplyWithContentButNoText as e:
+                        # Totally fine, it's by choice - just continue on, nothing more to care about
+                        # Page had elements/content but no renderable text
+                        if self.datastore.data['watching'].get(uuid, False) and self.datastore.data['watching'][uuid].get('css_filter'):
+                            self.datastore.update_watch(uuid=uuid, update_obj={'last_error': "Got HTML content but no text found (CSS / xPath Filter not found in page?)"})
+                        else:
+                            self.datastore.update_watch(uuid=uuid, update_obj={'last_error': "Got HTML content but no text found."})
+                        pass
                     except content_fetcher.EmptyReply as e:
                         # Some kind of custom to-str handler in the exception handler that does this?
-                        err_text = "EmptyReply: Status Code {}".format(e.status_code)
+                        err_text = "EmptyReply - try increasing 'Wait seconds before extracting text', Status Code {}".format(e.status_code)
                         self.datastore.update_watch(uuid=uuid, update_obj={'last_error': err_text,
                                                                            'last_check_status': e.status_code})
+                    except content_fetcher.ScreenshotUnavailable as e:
+                        err_text = "Screenshot unavailable, page did not render fully in the expected time - try increasing 'Wait seconds before extracting text'"
+                        self.datastore.update_watch(uuid=uuid, update_obj={'last_error': err_text,
+                                                                           'last_check_status': e.status_code})
+                    except content_fetcher.PageUnloadable as e:
+                        err_text = "Page request from server didnt respond correctly"
+                        self.datastore.update_watch(uuid=uuid, update_obj={'last_error': err_text,
+                                                                           'last_check_status': e.status_code})
+
                     except Exception as 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)})
@@ -69,9 +86,7 @@ class update_worker(threading.Thread):
                             # For the FIRST time we check a site, or a change detected, save the snapshot.
                             if changed_detected or not watch['last_checked']:
                                 # A change was detected
-                                fname = self.datastore.save_history_text(watch_uuid=uuid, contents=contents)
-                                # Should always be keyed by string(timestamp)
-                                self.datastore.update_watch(uuid, {"history": {str(round(time.time())): fname}})
+                                fname = watch.save_history_text(contents=contents, timestamp=str(round(time.time())))
 
                             # Generally update anything interesting returned
                             self.datastore.update_watch(uuid=uuid, update_obj=update_obj)
@@ -82,16 +97,17 @@ class update_worker(threading.Thread):
                                 print (">> Change detected in UUID {} - {}".format(uuid, watch['url']))
 
                                 # Notifications should only trigger on the second time (first time, we gather the initial snapshot)
-                                if len(watch['history']) > 1:
-
-                                    dates = list(watch['history'].keys())
-                                    # 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 watch.history_n >= 2:
+                                    print(">> Change detected in UUID {} - {}".format(uuid, watch['url']))
+                                    watch_history = watch.history
+                                    dates = list(watch_history.keys())
+                                    # Theoretically it's possible that this could be just 1 long,
+                                    # - In the case that the timestamp key was not unique
+                                    if len(dates) == 1:
+                                        raise ValueError(
+                                            "History index had 2 or more, but only 1 date loaded, timestamps were not unique? maybe two of the same timestamps got written, needs more delay?"
+                                        )
+                                    prev_fname = watch_history[dates[-2]]
 
 
                                     # Did it have any notification alerts to hit?
@@ -144,6 +160,9 @@ class update_worker(threading.Thread):
                         # Always save the screenshot if it's available
                         if screenshot:
                             self.datastore.save_screenshot(watch_uuid=uuid, screenshot=screenshot)
+                        if xpath_data:
+                            self.datastore.save_xpath_data(watch_uuid=uuid, data=xpath_data)
+
 
                 self.current_uuid = None  # Done
                 self.q.task_done()

docker-compose.yml

@@ -73,6 +73,20 @@ services:
 #        hostname: playwright-chrome
 #        image: browserless/chrome
 #        restart: unless-stopped
+#        environment:
+#            - SCREEN_WIDTH=1920
+#            - SCREEN_HEIGHT=1024
+#            - SCREEN_DEPTH=16
+#            - ENABLE_DEBUGGER=false
+#            - SCREEN_WIDTH=1280
+#            - SCREEN_HEIGHT=1024
+#            - SCREEN_DEPTH=16
+#            - PREBOOT_CHROME=true
+#            - CONNECTION_TIMEOUT=300000
+#            - MAX_CONCURRENT_SESSIONS=10
+#            - CHROME_REFRESH_TIME=600000
+#            - DEFAULT_BLOCK_ADS=true
+#            - DEFAULT_STEALTH=true
 
 volumes:
   changedetection-data:

requirements.txt

@@ -6,6 +6,7 @@ timeago ~=1.0
 inscriptis ~= 2.2
 feedgen ~= 0.9
 flask-login ~= 0.5
+flask_restful
 pytz
 
 # Set these versions together to avoid a RequestsDependencyWarning
@@ -17,7 +18,7 @@ wtforms ~= 3.0
 jsonpath-ng ~= 1.5.3
 
 # Notification library
-apprise ~= 0.9.8.3
+apprise ~= 0.9.9
 
 # apprise mqtt https://github.com/dgtlmoon/changedetection.io/issues/315
 paho-mqtt