feat: embed a Flutter G4F client with Cronet, cookie jar, and origin WebView

Port the Oracle off the Python g4f container onto on-device providers: Chromium HTTP via Cronet, a shared cookie session, IterList retry, hosted OpenAI-compat aggregators, and same-origin WebView fallbacks instead of CORS fetch.
2026-09-01 22:05:38 +05:00
parent f3e7412cf9
commit fbf04d90db
49 changed files with 4856 additions and 92 deletions
@@ -0,0 +1,83 @@
+import 'models.dart';
+import 'providers/aggregators.dart';
+import 'providers/aichatos.dart';
+import 'providers/base_provider.dart';
+import 'providers/blackbox.dart';
+import 'providers/chatgpt_oss.dart';
+import 'providers/cloudflare.dart';
+import 'providers/cohere_space.dart';
+import 'providers/copilot_app.dart';
+import 'providers/deep_ai.dart';
+import 'providers/duckduckgo.dart';
+import 'providers/free2gpt.dart';
+import 'providers/glm.dart';
+import 'providers/hugging_chat.dart';
+import 'providers/liaobots.dart';
+import 'providers/opera_aria.dart';
+import 'providers/phind_ai.dart';
+import 'providers/pollinations.dart';
+import 'providers/qwen.dart';
+import 'providers/quillbot.dart';
+import 'providers/teach_anything.dart';
+import 'providers/webview/deepinfra_webview.dart';
+import 'providers/you_chat.dart';
+import 'providers/yqcloud.dart';
+import 'retry.dart';
+
+class G4FChatCompletions {
+  /// REST-live first, then Python-hosted OpenAI-compat, then WAF/WebView.
+  final List<BaseProvider> _providers = [
+    Yqcloud(),
+    DeepAi(),
+    Quillbot(),
+    KiloCode(),
+    OpenCode(),
+    G4FSpace(),
+    Pollinations(),
+    PhindAi(),
+    TeachAnything(),
+    CopilotApp(),
+    ChatGptOss(),
+    AiChatOs(),
+    OperaAria(),
+    Liaobots(),
+    YouChat(),
+    Free2Gpt(),
+    CohereSpace(),
+    GlmZai(),
+    DuckDuckGo(),
+    Blackbox(),
+    HuggingChat(),
+    QwenChat(),
+    CloudflareAi(),
+    DeepInfraWebView(),
+  ];
+
+  List<BaseProvider> get providers => List.unmodifiable(_providers);
+
+  late final IterListProvider _retry = IterListProvider(_providers);
+
+  /// Full completion via g4f IterListProvider (try next on failure).
+  Future<String> create({
+    required List<Message> messages,
+    String? model,
+  }) {
+    return _retry.create(messages: messages, model: model ?? G4FModels.gpt4o);
+  }
+
+  Stream<String> createStream({
+    required List<Message> messages,
+    String? model,
+  }) async* {
+    yield await create(messages: messages, model: model);
+  }
+}
+
+class G4FChat {
+  final completions = G4FChatCompletions();
+}
+
+/// Mirrors `g4f.client.Client`.
+class G4FClient {
+  final chat = G4FChat();
+}