72 lines
2.8 KiB
Dart
72 lines
2.8 KiB
Dart
import 'dart:convert';
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import 'package:http/http.dart' as http;
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import '../../../models/trackers/device_code.dart';
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import '../../../utils/app_logger.dart';
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import '../device_code_auth_service.dart';
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import '../oauth_proxy_client.dart';
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import 'simkl_constants.dart';
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import 'simkl_session.dart';
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/// Simkl OAuth PIN (device-code) flow.
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///
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/// `GET /oauth/pin?client_id=...&redirect=<success page>` returns a PIN the
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/// user enters at https://simkl.com/pin. After entry Simkl redirects the
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/// browser to the relay's static "signed in" page. The app polls
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/// `/oauth/pin/<user_code>?client_id=...` until `result == "OK"`.
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class SimklAuthService extends DeviceCodeAuthServiceBase<SimklSession> {
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SimklAuthService({super.httpClient});
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@override
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Future<DeviceCode> createDeviceCode() async {
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final uri = Uri.parse(SimklConstants.pinUrl).replace(
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queryParameters: {
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'client_id': SimklConstants.clientId,
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'redirect': '${OAuthProxyClient.baseUrl}/auth/done',
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},
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);
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final res = await httpClient.get(uri, headers: SimklConstants.headers()).timeout(const Duration(seconds: 15));
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if (res.statusCode != 200) {
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throw DeviceCodeAuthFlowException('Simkl PIN request failed: HTTP ${res.statusCode}: ${res.body}');
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}
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final body = json.decode(res.body) as Map<String, dynamic>;
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return DeviceCode(
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deviceCode: body['device_code'] as String,
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userCode: body['user_code'] as String,
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verificationUrl: body['verification_url'] as String? ?? SimklConstants.verificationUrl,
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// Simkl doesn't expose a prefilled URL; the user manually enters the code.
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verificationUrlComplete: null,
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expiresIn: (body['expires_in'] as num?)?.toInt() ?? 900,
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interval: (body['interval'] as num?)?.toInt() ?? 5,
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);
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}
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@override
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Future<DevicePollEvent> probe(DeviceCode code) async {
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final pollUri = Uri.parse(
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SimklConstants.pinPollUrl(code.userCode),
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).replace(queryParameters: {'client_id': SimklConstants.clientId});
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final http.Response res;
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try {
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res = await httpClient.get(pollUri, headers: SimklConstants.headers()).timeout(const Duration(seconds: 15));
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} catch (e) {
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appLogger.d('Simkl device-code poll error (transient)', error: e);
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return const DevicePollPending();
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}
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// Simkl returns 200 for both pending and success; anything else is
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// effectively expired/denied.
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if (res.statusCode != 200) return const DevicePollExpired();
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final body = json.decode(res.body) as Map<String, dynamic>;
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if (body['result'] == 'OK' && body['access_token'] != null) {
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return DevicePollSuccess(body);
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}
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return const DevicePollPending();
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}
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@override
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SimklSession buildSession(Map<String, dynamic> tokenResponse) => SimklSession.fromTokenResponse(tokenResponse);
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}
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