fix: http/https proxy (#7821)

* add http(s) proxy * Add front-end translation * fix ui description * For linux platform, add rustls support * fix: Fix the proxy address test function. * add: Added default prompts for agency agreement and some multi-language translations * add: Http proxy request client * fix: add async http proxy func and format the code * add: Preliminary support for flutter front-end calling rust back-end http request * Optimize HTTP calls * Optimize HTTP calls * fix: Optimize HTTP requests, refine translations, and fix dependencies * fix: Win and macOS compilation errors * fix: web platforms * fix: Optimize import * fix: Fix web platform issues * fix: Fix web platform issues * fix: update ci * fix: test ci * test: test CI * Revert "fix: update ci" This reverts commit 2e5f247b2e. * test: test CI * test: test CI * fix: fix lock file * fix: Optimize imports
2025-12-12 11:06:57 +00:00 · 2024-04-25 11:46:21 +08:00
parent 66d1af63b0
commit 43a0a4f8e0
68 changed files with 1174 additions and 131 deletions
--- a/flutter/lib/utils/http_service.dart
+++ b/flutter/lib/utils/http_service.dart
@@ -0,0 +1,115 @@
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' as http;
+import '../models/platform_model.dart';
+export 'package:http/http.dart' show Response;
+
+enum HttpMethod { get, post, put, delete }
+
+class HttpService {
+  Future<http.Response> sendRequest(
+    Uri url,
+    HttpMethod method, {
+    Map<String, String>? headers,
+    dynamic body,
+  }) async {
+    headers ??= {'Content-Type': 'application/json'};
+
+    // Determine if there is currently a proxy setting, and if so, use FFI to call the Rust HTTP method.
+    final isProxy = await bind.mainGetProxyStatus();
+
+    if (!isProxy) {
+      return await _pollFultterHttp(url, method, headers: headers, body: body);
+    }
+
+    String headersJson = jsonEncode(headers);
+    String methodName = method.toString().split('.').last;
+    await bind.mainHttpRequest(
+        url: url.toString(),
+        method: methodName.toLowerCase(),
+        body: body,
+        header: headersJson);
+
+    var resJson = await _pollForResponse(url.toString());
+    return _parseHttpResponse(resJson);
+  }
+
+  Future<http.Response> _pollFultterHttp(
+    Uri url,
+    HttpMethod method, {
+    Map<String, String>? headers,
+    dynamic body,
+  }) async {
+    var response = http.Response('', 400);
+
+    switch (method) {
+      case HttpMethod.get:
+        response = await http.get(url, headers: headers);
+        break;
+      case HttpMethod.post:
+        response = await http.post(url, headers: headers, body: body);
+        break;
+      case HttpMethod.put:
+        response = await http.put(url, headers: headers, body: body);
+        break;
+      case HttpMethod.delete:
+        response = await http.delete(url, headers: headers, body: body);
+        break;
+      default:
+        throw Exception('Unsupported HTTP method');
+    }
+
+    return response;
+  }
+
+  Future<String> _pollForResponse(String url) async {
+    String? responseJson = " ";
+    while (responseJson == " ") {
+      responseJson = await bind.mainGetHttpStatus(url: url);
+      if (responseJson == null) {
+        throw Exception('The HTTP request failed');
+      }
+      if (responseJson == " ") {
+        await Future.delayed(const Duration(milliseconds: 100));
+      }
+    }
+    return responseJson!;
+  }
+
+  http.Response _parseHttpResponse(String responseJson) {
+    try {
+      var parsedJson = jsonDecode(responseJson);
+      String body = parsedJson['body'];
+      Map<String, String> headers = {};
+      for (var key in parsedJson['headers'].keys) {
+        headers[key] = parsedJson['headers'][key];
+      }
+      int statusCode = parsedJson['status_code'];
+      return http.Response(body, statusCode, headers: headers);
+    } catch (e) {
+      throw Exception('Failed to parse response: $e');
+    }
+  }
+}
+
+Future<http.Response> get(Uri url, {Map<String, String>? headers}) async {
+  return await HttpService().sendRequest(url, HttpMethod.get, headers: headers);
+}
+
+Future<http.Response> post(Uri url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.post, body: body, headers: headers);
+}
+
+Future<http.Response> put(Uri url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.put, body: body, headers: headers);
+}
+
+Future<http.Response> delete(Uri url,
+    {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+  return await HttpService()
+      .sendRequest(url, HttpMethod.delete, body: body, headers: headers);
+}