Add file provider for iOS

2025-12-19 14:35:17 +08:00
parent 675699d50d
commit 7bddeed04a
7 changed files with 623 additions and 2 deletions
@@ -0,0 +1,101 @@
+import FileProvider
+import UniformTypeIdentifiers
+
+class FileProviderItem: NSObject, NSFileProviderItem {
+    private let url: URL
+    private let fileAttributes: [FileAttributeKey: Any]
+    private let _identifier: NSFileProviderItemIdentifier
+    private let _parentIdentifier: NSFileProviderItemIdentifier
+    private let isRoot: Bool
+
+    init(rootAt url: URL) {
+        self.url = url
+        _identifier = .rootContainer
+        _parentIdentifier = .rootContainer
+        isRoot = true
+        fileAttributes = (try? FileManager.default.attributesOfItem(atPath: url.path)) ?? [:]
+        super.init()
+    }
+
+    init(url: URL, identifier: NSFileProviderItemIdentifier, workingDirectory: URL) {
+        self.url = url
+        _identifier = identifier
+        isRoot = false
+        fileAttributes = (try? FileManager.default.attributesOfItem(atPath: url.path)) ?? [:]
+
+        let parentPath = url.deletingLastPathComponent().path
+        if parentPath == workingDirectory.path {
+            _parentIdentifier = .rootContainer
+        } else {
+            let relativePath = parentPath.replacingOccurrences(of: workingDirectory.path + "/", with: "")
+            _parentIdentifier = NSFileProviderItemIdentifier(relativePath)
+        }
+
+        super.init()
+    }
+
+    var itemIdentifier: NSFileProviderItemIdentifier {
+        _identifier
+    }
+
+    var parentItemIdentifier: NSFileProviderItemIdentifier {
+        _parentIdentifier
+    }
+
+    var filename: String {
+        if isRoot {
+            return "sing-box"
+        }
+        return url.lastPathComponent
+    }
+
+    var contentType: UTType {
+        if isDirectory {
+            return .folder
+        }
+        return UTType(filenameExtension: url.pathExtension) ?? .data
+    }
+
+    var capabilities: NSFileProviderItemCapabilities {
+        [
+            .allowsReading,
+            .allowsWriting,
+            .allowsRenaming,
+            .allowsReparenting,
+            .allowsDeleting,
+            .allowsAddingSubItems,
+            .allowsContentEnumerating,
+        ]
+    }
+
+    var itemVersion: NSFileProviderItemVersion {
+        let modDate = fileAttributes[.modificationDate] as? Date ?? Date()
+        let contentVersion = withUnsafeBytes(of: modDate.timeIntervalSince1970) { Data($0) }
+        return NSFileProviderItemVersion(contentVersion: contentVersion, metadataVersion: contentVersion)
+    }
+
+    var documentSize: NSNumber? {
+        guard !isDirectory else { return nil }
+        return fileAttributes[.size] as? NSNumber
+    }
+
+    var creationDate: Date? {
+        fileAttributes[.creationDate] as? Date
+    }
+
+    var contentModificationDate: Date? {
+        fileAttributes[.modificationDate] as? Date
+    }
+
+    var childItemCount: NSNumber? {
+        guard isDirectory else { return nil }
+        let contents = try? FileManager.default.contentsOfDirectory(atPath: url.path)
+        return NSNumber(value: contents?.count ?? 0)
+    }
+
+    private var isDirectory: Bool {
+        var isDir: ObjCBool = false
+        FileManager.default.fileExists(atPath: url.path, isDirectory: &isDir)
+        return isDir.boolValue
+    }
+}