latest updates

Rsync Studio/Utilities/FilePicker.swift

@@ -0,0 +1,21 @@
+import AppKit
+
+@MainActor
+enum FilePicker {
+    static func chooseDirectory() -> String? {
+        let panel = NSOpenPanel()
+        panel.canChooseDirectories = true
+        panel.canChooseFiles = false
+        panel.allowsMultipleSelection = false
+        panel.canCreateDirectories = true
+        return panel.runModal() == .OK ? panel.url?.path : nil
+    }
+
+    static func chooseFile() -> String? {
+        let panel = NSOpenPanel()
+        panel.canChooseDirectories = false
+        panel.canChooseFiles = true
+        panel.allowsMultipleSelection = false
+        return panel.runModal() == .OK ? panel.url?.path : nil
+    }
+}

Rsync Studio/Utilities/KeychainStore.swift

@@ -0,0 +1,55 @@
+import Foundation
+import Security
+
+enum KeychainStore {
+    private static let service = "net.absdev.RsyncStudio"
+
+    static func string(for account: String) -> String {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account,
+            kSecReturnData as String: true,
+            kSecMatchLimit as String: kSecMatchLimitOne
+        ]
+        var item: CFTypeRef?
+        guard SecItemCopyMatching(query as CFDictionary, &item) == errSecSuccess,
+              let data = item as? Data,
+              let value = String(data: data, encoding: .utf8) else { return "" }
+        return value
+    }
+
+    @discardableResult
+    static func set(_ value: String, for account: String) -> OSStatus {
+        let base: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account
+        ]
+        if value.isEmpty { return delete(account) }
+
+        let data = Data(value.utf8)
+        let update: [String: Any] = [
+            kSecValueData as String: data,
+            kSecAttrAccessible as String: kSecAttrAccessibleWhenUnlocked
+        ]
+        let updateStatus = SecItemUpdate(base as CFDictionary, update as CFDictionary)
+        if updateStatus != errSecItemNotFound { return updateStatus }
+
+        var add = base
+        add[kSecValueData as String] = data
+        add[kSecAttrAccessible as String] = kSecAttrAccessibleWhenUnlocked
+        return SecItemAdd(add as CFDictionary, nil)
+    }
+
+    @discardableResult
+    static func delete(_ account: String) -> OSStatus {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account
+        ]
+        let status = SecItemDelete(query as CFDictionary)
+        return status == errSecItemNotFound ? errSecSuccess : status
+    }
+}