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.
99 lines
2.7 KiB
Dart
99 lines
2.7 KiB
Dart
import 'dart:convert';
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import 'package:http/http.dart' as http;
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import '../http_client.dart';
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import 'package:uuid/uuid.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.Liaobots — guest auth code + chat.
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class Liaobots extends BaseProvider {
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@override
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String get name => 'Liaobots';
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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-4'];
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@override
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String get defaultModel => 'gpt-3.5-turbo';
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static const _hosts = [
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'https://liaobots.work',
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'https://liaobots.site',
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'https://liaobots.com',
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];
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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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Object? last;
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for (final host in _hosts) {
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try {
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yield await _chat(host, model, messages);
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return;
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} catch (e) {
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last = e;
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}
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}
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throw Exception('Liaobots failed: $last');
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}
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Future<String> _chat(String host, String model, List<Message> messages) async {
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final headers = browserHeaders(
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origin: host,
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referer: '$host/',
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contentType: 'application/json',
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);
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final login = await g4fHttp
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.post(
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Uri.parse('$host/api/user'),
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headers: headers,
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body: jsonEncode({'authcode': const Uuid().v4()}),
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)
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.timeout(const Duration(seconds: 12));
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String? auth;
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if (login.statusCode == 200) {
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try {
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final data = jsonDecode(login.body);
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auth = (data is Map ? (data['authCode'] ?? data['authcode']) : null)
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?.toString();
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} catch (_) {}
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}
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final req = http.Request('POST', Uri.parse('$host/api/chat'));
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req.headers.addAll({
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...headers,
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if (auth != null) 'x-auth-code': auth,
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if (auth != null) 'authorization': auth,
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});
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req.body = jsonEncode({
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'conversationId': const Uuid().v4(),
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'model': {
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'id': models.contains(model) ? model : defaultModel,
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'name': model,
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'maxLength': 24000,
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'tokenLimit': 8000,
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},
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'messages': toOpenAiMessages(messages),
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'key': '',
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'prompt': extractSystemMessage(messages),
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});
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final res = await g4fHttp.send(req).timeout(requestTimeout);
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if (res.statusCode != 200) {
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throw Exception('Liaobots ${res.statusCode} @ $host');
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}
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final raw = utf8.decode(await res.stream.toBytes().timeout(requestTimeout));
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final sse = extractAllSseContent(raw).join();
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final text = looksLikeModelOutput(sse) ? sse : raw.trim();
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if (!looksLikeModelOutput(text)) throw Exception('Liaobots empty @ $host');
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return text;
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}
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}
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