implemented a comprehensive Nextcloud file sharing system with support for user, group, and public link shares with gating based on server-side permissions; added sharing management interfaces including a share sheet; updated the file list with visual badges for incoming shares and improved OCS API response handling.

2026-06-02 21:42:08 +02:00
parent b6d06dd3b4
commit baa26a6e79
33 changed files with 2453 additions and 29 deletions
@@ -0,0 +1,46 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:http/http.dart' as http;
+
+import '../../errors/server_exception.dart';
+import '../nextcloud_ocs.dart';
+import 'nextcloud_sharing_capabilities.dart';
+
+/// Fetches the current user's Nextcloud capabilities via OCS
+/// `GET cloud/capabilities` and extracts the `files_sharing` block. This is the
+/// per-user, group-aware source of truth the sharing UI gates on — no custom
+/// backend involved.
+class GetNextcloudCapabilities {
+  Future<NextcloudSharingCapabilities> run() async {
+    final endpoint = NextcloudOcs.uri(
+      'cloud/capabilities',
+      queryParameters: {'format': 'json'},
+    );
+    final response = await http.get(endpoint, headers: NextcloudOcs.headers());
+    if (response.statusCode != HttpStatus.ok) {
+      throw ServerException(
+        statusCode: response.statusCode,
+        technicalDetails: 'cloud/capabilities: ${response.body}',
+      );
+    }
+    final decoded = jsonDecode(response.body) as Map<String, dynamic>;
+    final data =
+        (decoded['ocs'] as Map<String, dynamic>?)?['data']
+            as Map<String, dynamic>?;
+    final capabilities = data?['capabilities'] as Map<String, dynamic>?;
+    final filesSharing = capabilities?['files_sharing'];
+    if (filesSharing is! Map<String, dynamic>) {
+      // Server doesn't advertise files_sharing (app disabled) — treat as no
+      // sharing capability rather than failing the whole load.
+      return const NextcloudSharingCapabilities();
+    }
+    final passwordPolicy = capabilities?['password_policy'];
+    return NextcloudSharingCapabilities.fromFilesSharing(
+      filesSharing,
+      passwordPolicy: passwordPolicy is Map<String, dynamic>
+          ? passwordPolicy
+          : null,
+    );
+  }
+}