Alma Alexyz
fbf04d90db
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.
75 lines
2.1 KiB
Dart
75 lines
2.1 KiB
Dart
import 'dart:convert';
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import '../http_client.dart';
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import '../http_util.dart';
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import '../models.dart';
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import '../sse.dart';
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import 'base_provider.dart';
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/// Port of g4f.Provider.You (default youchat mode, no login).
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class YouChat extends BaseProvider {
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@override
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String get name => 'You';
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@override
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bool get working => true;
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@override
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List<String> get models => ['gpt-3.5-turbo', 'gpt-4o'];
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@override
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String get defaultModel => 'gpt-3.5-turbo';
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@override
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Stream<String> createAsyncGenerator(
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String model,
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List<Message> messages, {
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bool stream = false,
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}) async* {
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final res = await g4fHttp
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.post(
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Uri.parse('https://you.com/api/streamingSearch'),
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headers: browserHeaders(
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origin: 'https://you.com',
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referer: 'https://you.com/search?fromSearchBar=true&tbm=youchat',
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accept: 'text/event-stream',
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),
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body: {
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'q': formatPrompt(messages),
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'domain': 'youchat',
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'selectedChatMode': 'default',
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'chat': '[]',
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},
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)
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.timeout(requestTimeout);
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if (res.statusCode != 200) {
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throw Exception('You ${res.statusCode}');
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}
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final raw = res.body;
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final buf = StringBuffer();
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String? event;
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for (final line in raw.split(RegExp(r'\r?\n'))) {
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if (line.startsWith('event:')) {
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event = line.substring(6).trim();
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} else if (line.startsWith('data:')) {
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final dataStr = line.substring(5).trim();
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try {
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final data = jsonDecode(dataStr);
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if (data is Map) {
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if (event == 'youChatToken' && data['youChatToken'] is String) {
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buf.write(data['youChatToken']);
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} else if (event == 'youChatUpdate' && data['t'] is String) {
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buf.write(data['t']);
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}
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}
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} catch (_) {}
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}
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}
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var text = buf.toString().trim();
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if (!looksLikeModelOutput(text)) {
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text = extractAllSseContent(raw).join().trim();
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}
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if (!looksLikeModelOutput(text)) throw Exception('You empty');
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yield text;
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}
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}
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