kopia lustrzana https://gitlab.com/mysocialportal/relatica
220 wiersze
6.9 KiB
Dart
220 wiersze
6.9 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_web_auth_2/flutter_web_auth_2.dart';
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import 'package:logging/logging.dart';
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import 'package:result_monad/result_monad.dart';
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import 'package:stack_trace/stack_trace.dart';
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import 'package:uuid/uuid.dart';
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import '../../globals.dart';
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import '../../riverpod_controllers/networking/network_services.dart';
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import '../../riverpod_controllers/status_service.dart';
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import '../exec_error.dart';
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import 'credentials_intf.dart';
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class OAuthCredentials implements ICredentials {
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static final _logger = Logger('$OAuthCredentials');
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String clientId;
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String clientSecret;
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final String redirectUrl;
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final String redirectScheme;
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String accessToken;
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@override
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final String serverName;
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@override
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final String id;
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OAuthCredentials({
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required this.clientId,
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required this.clientSecret,
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required this.redirectUrl,
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required this.redirectScheme,
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required this.accessToken,
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required this.serverName,
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required this.id,
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});
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factory OAuthCredentials.bootstrap(String serverName) {
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final redirectScheme = Platform.isWindows || Platform.isLinux
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? 'http://localhost:43824'
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: 'relatica';
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final redirectUrl = Platform.isWindows || Platform.isLinux
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? redirectScheme
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: '$redirectScheme://authorize';
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return OAuthCredentials(
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clientId: '',
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clientSecret: '',
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redirectUrl: redirectUrl,
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redirectScheme: redirectScheme,
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accessToken: '',
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serverName: serverName,
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id: const Uuid().v4(),
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);
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}
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@override
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String get authHeaderValue => 'Bearer $accessToken';
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@override
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FutureResult<ICredentials, ExecError> signIn(Ref ref) async {
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final result = await _getIds(ref)
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.andThenAsync((_) async => await _login(ref))
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.andThenSuccessAsync((_) async => this);
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return result.execErrorCast();
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}
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@override
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Map<String, dynamic> toJson() => {
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'clientId': clientId,
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'clientSecret': clientSecret,
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'redirectUrl': redirectUrl,
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'redirectScheme': redirectScheme,
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'accessToken': accessToken,
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'serverName': serverName,
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'id': id,
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};
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@override
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bool operator ==(Object other) =>
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identical(this, other) ||
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other is OAuthCredentials &&
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runtimeType == other.runtimeType &&
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id == other.id;
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@override
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int get hashCode => id.hashCode;
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static OAuthCredentials fromJson(Map<String, dynamic> json) =>
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OAuthCredentials(
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clientId: json['clientId'],
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clientSecret: json['clientSecret'],
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redirectUrl: json['redirectUrl'],
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redirectScheme: json['redirectScheme'],
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accessToken: json['accessToken'],
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serverName: json['serverName'],
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id: json['id'],
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);
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FutureResult<bool, ExecError> _getIds(Ref ref) async {
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if (clientId.isNotEmpty || clientSecret.isNotEmpty) {
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_logger.info(
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'Client ID and Client Secret are already set, skipping ID fetching');
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return Result.ok(true);
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}
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Attempting to contact $serverName...');
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final idEndpoint = Uri.parse('https://$serverName/api/v1/apps');
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final request = NetworkRequest(idEndpoint,
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headers: ref.read(userAgentHeaderProvider),
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body: {
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'client_name': 'Relatica',
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'redirect_uris': redirectUrl,
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'scopes': 'read write follow push',
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'website': 'https://myportal.social',
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},
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timeout: oauthTimeout);
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final response = await ref.read(httpPostProvider(request).future);
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response.match(onSuccess: (body) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Connected to $serverName...');
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final json = jsonDecode(body);
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clientId = json['client_id'];
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clientSecret = json['client_secret'];
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}, onError: (error) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Error contacting $serverName...: $error');
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_logger.severe(
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'Error contacting $serverName...: $error', Trace.current());
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});
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return response.mapValue((_) => true);
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}
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FutureResult<bool, ExecError> _login(Ref ref) async {
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if (accessToken.isNotEmpty) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Logged into $serverName');
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_logger.info('Already have access token, skipping');
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return Result.ok(true);
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}
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// Construct the url
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final url = Uri.https(serverName, '/oauth/authorize', {
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'response_type': 'code',
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'client_id': clientId,
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'redirect_uri': redirectUrl,
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'scope': 'read write follow push',
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});
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try {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Attempting getting authorization to $serverName');
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final result = await FlutterWebAuth2.authenticate(
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url: url.toString(),
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callbackUrlScheme: redirectScheme,
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options: const FlutterWebAuth2Options(
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preferEphemeral: true,
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));
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final code = Uri.parse(result).queryParameters['code'];
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if (code == null) {
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_logger.severe(
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'Error code was not returned with the query parameters: $result',
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Trace.current());
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ref.read(statusServiceProvider.notifier).setStatus(
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'Error getting the response code during authentication to $serverName');
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return buildErrorResult(
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type: ErrorType.serverError,
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message: 'Error getting the response code during authentication',
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);
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}
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final url2 = Uri.parse('https://$serverName/oauth/token');
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final request = NetworkRequest(url2,
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headers: ref.read(userAgentHeaderProvider),
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body: {
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'client_id': clientId,
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'client_secret': clientSecret,
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'redirect_uri': redirectUrl,
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'grant_type': 'authorization_code',
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'code': code,
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});
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final response = await ref.read(httpPostProvider(request).future);
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response.match(onSuccess: (body) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Logged into $serverName');
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accessToken = jsonDecode(body)['access_token'];
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}, onError: (error) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Error getting authorization to $serverName');
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_logger.severe('Error doing OAUth processing: $error', Trace.current());
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});
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} catch (e) {
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ref
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.read(statusServiceProvider.notifier)
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.setStatus('Error getting authorization to $serverName');
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_logger.severe(
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'Exception while Doing OAuth Process: $e', Trace.current());
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return buildErrorResult(
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type: ErrorType.serverError,
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message: 'Exception while Doing OAuth Process: $e',
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);
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}
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return Result.ok(true);
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}
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}
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