✨ Attachments

lib/providers/auth.dart

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+import 'dart:async';
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:get/get.dart';
+import 'package:get/get_connect/http/src/request/request.dart';
+import 'package:solian/models/account.dart';
+import 'package:solian/services.dart';
+import 'package:oauth2/oauth2.dart' as oauth2;
+
+class AuthProvider extends GetConnect {
+  final deviceEndpoint = Uri.parse('/api/notifications/subscribe');
+  final tokenEndpoint = Uri.parse('/api/auth/token');
+  final userinfoEndpoint = Uri.parse('/api/users/me');
+  final redirectUrl = Uri.parse('solian://auth');
+
+  static const clientId = 'solian';
+  static const clientSecret = '_F4%q2Eea3';
+
+  static const storage = FlutterSecureStorage();
+
+  @override
+  void onInit() {
+    httpClient.baseUrl = ServiceFinder.services['passport'];
+
+    applyAuthenticator();
+  }
+
+  oauth2.Credentials? credentials;
+
+  Future<Request<T?>> reqAuthenticator<T>(Request<T?> request) async {
+    if (credentials != null && credentials!.isExpired) {
+      final resp = await post('/api/auth/token', {
+        'refresh_token': credentials!.refreshToken,
+        'grant_type': 'refresh_token',
+      });
+      if (resp.statusCode != 200) {
+        throw Exception(resp.bodyString);
+      }
+      credentials = oauth2.Credentials(
+        resp.body['access_token'],
+        refreshToken: resp.body['refresh_token'],
+        idToken: resp.body['access_token'],
+        tokenEndpoint: tokenEndpoint,
+        expiration: DateTime.now().add(const Duration(minutes: 3)),
+      );
+      storage.write(key: 'auth_credentials', value: jsonEncode(credentials!.toJson()));
+    }
+
+    if (credentials != null) {
+      request.headers['Authorization'] = 'Bearer ${credentials!.accessToken}';
+    }
+
+    return request;
+  }
+
+  void applyAuthenticator() {
+    isAuthorized.then((status) async {
+      final content = await storage.read(key: 'auth_credentials');
+      credentials = oauth2.Credentials.fromJson(jsonDecode(content!));
+      if (status) {
+        httpClient.addAuthenticator(reqAuthenticator);
+      }
+    });
+  }
+
+  Future<oauth2.Credentials> signin(BuildContext context, String username, String password) async {
+    final resp = await oauth2.resourceOwnerPasswordGrant(
+      tokenEndpoint,
+      username,
+      password,
+      identifier: clientId,
+      secret: clientSecret,
+      scopes: ['*'],
+      basicAuth: false,
+    );
+
+    credentials = oauth2.Credentials(
+      resp.credentials.accessToken,
+      refreshToken: resp.credentials.refreshToken!,
+      idToken: resp.credentials.accessToken,
+      tokenEndpoint: tokenEndpoint,
+      expiration: DateTime.now().add(const Duration(minutes: 3)),
+    );
+
+    storage.write(key: 'auth_credentials', value: jsonEncode(credentials!.toJson()));
+    applyAuthenticator();
+
+    return credentials!;
+  }
+
+  void signout() {
+    storage.deleteAll();
+  }
+
+  Future<bool> get isAuthorized => storage.containsKey(key: 'auth_credentials');
+
+  Future<Response<Account>> get profile => get('/api/users/me', decoder: (data) => Account.fromJson(data));
+}

lib/providers/content/attachment_item.dart

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+import 'package:flutter/material.dart';
+import 'package:solian/models/attachment.dart';
+import 'package:solian/services.dart';
+
+class AttachmentItem extends StatelessWidget {
+  final Attachment item;
+
+  const AttachmentItem({super.key, required this.item});
+
+  @override
+  Widget build(BuildContext context) {
+    return Hero(
+      tag: Key('a${item.uuid}'),
+      child: Image.network(
+        '${ServiceFinder.services['paperclip']}/api/attachments/${item.uuid}',
+        fit: BoxFit.cover,
+      ),
+    );
+  }
+}

lib/providers/content/attachment_list.dart

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+import 'package:get/get.dart';
+import 'package:solian/services.dart';
+
+class AttachmentListProvider extends GetConnect {
+  @override
+  void onInit() {
+    httpClient.baseUrl = ServiceFinder.services['paperclip'];
+  }
+
+  Future<Response> getMetadata(String uuid) => get('/api/attachments/$uuid/meta');
+}