[fix] require iOS privacy consent and simplify settings

2026-10-22 12:33:05 +08:00 · 2026-09-28 16:53:43 +08:00
parent 3992ea56db
commit a4baca222c
17 changed files with 1091 additions and 299 deletions
@@ -0,0 +1,61 @@
+import Foundation
+
+/// Serialize writes and deletions so an in-flight capture cannot recreate a
+/// preview after a clear/revocation has finished.
+final class ThumbnailFileStore {
+    let directory: URL
+    private let queue = DispatchQueue(label: "cn.crossdesk.mobile.thumbnails",
+                                     qos: .utility)
+
+    init(directory: URL) {
+        self.directory = directory
+    }
+
+    func url(for fileName: String) -> URL {
+        directory.appendingPathComponent(fileName, isDirectory: false)
+    }
+
+    func save(fileName: String, makeData: @escaping () -> Data?,
+              completion: @escaping (String?) -> Void) {
+        queue.async {
+            let saved: String? = autoreleasepool {
+                guard let data = makeData() else { return nil }
+                do {
+                    try FileManager.default.createDirectory(at: self.directory,
+                                                            withIntermediateDirectories: true)
+                    var directory = self.directory
+                    var values = URLResourceValues()
+                    values.isExcludedFromBackup = true
+                    try directory.setResourceValues(values)
+                    #if os(iOS)
+                    try data.write(to: self.url(for: fileName),
+                                   options: [.atomic, .completeFileProtection])
+                    #else
+                    try data.write(to: self.url(for: fileName), options: .atomic)
+                    #endif
+                    return fileName
+                } catch {
+                    return nil
+                }
+            }
+            completion(saved)
+        }
+    }
+
+    func remove(fileName: String) {
+        queue.async { try? FileManager.default.removeItem(at: self.url(for: fileName)) }
+    }
+
+    func removeAll(completion: @escaping (Bool) -> Void) {
+        queue.async {
+            do {
+                if FileManager.default.fileExists(atPath: self.directory.path) {
+                    try FileManager.default.removeItem(at: self.directory)
+                }
+                completion(true)
+            } catch {
+                completion(false)
+            }
+        }
+    }
+}