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Pods/DDPersistenceKit_Private/DDPersistenceKit_Private/Classes/DDKeychain.swift

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+//
+//   DDKeychain.swift
+//   DDPersistenceKit_Private
+//   Created by DDIsFriend on 2023/9/21.
+//
+
+import Foundation
+import Security
+
+public let DDKC = DDKeychain.default
+open class DDKeychain : NSObject {
+    public static let `default` = DDKeychain()
+    
+    public struct Credentials {
+        var itemKey : String
+        var itemValue : String?
+        public init(itemKey: String, itemValue: String? = nil) {
+            self.itemKey = itemKey
+            self.itemValue = itemValue
+        }
+    }
+    
+    public enum KeychainError : Int {
+        case success = 0
+        case failure = 1
+    }
+    
+    public func addItem(credentials:Credentials) -> KeychainError {
+        let itemKey = credentials.itemKey
+        guard let itemValue = credentials.itemValue else {
+            return .failure
+        }
+        let itemValueData = itemValue.data(using: .utf8)!
+        let query : [String : Any] = [kSecValueData as String:itemValueData,kSecAttrAccount as String:itemKey,kSecClass as String:kSecClassGenericPassword]
+        let status = SecItemAdd(query as CFDictionary, nil)
+        if status == 0 {
+            return .success
+        }
+        return .failure
+    }
+    
+    public func queryItem(credentials:Credentials) -> Data? {
+        let itemKey = credentials.itemKey
+        let query : [String : Any] = [kSecReturnData as String:true,kSecAttrAccount as String:itemKey,kSecClass as String:kSecClassGenericPassword]
+        
+        var itemValueData : CFTypeRef?
+        let status = SecItemCopyMatching(query as CFDictionary, &itemValueData)
+        if status == 0 {
+            return itemValueData as? Data
+        }
+        return nil
+    }
+    
+    public func updateItem(credentials:Credentials) -> KeychainError {
+        let query : [String : Any] = [kSecAttrAccount as String: credentials.itemKey,kSecClass as String:kSecClassGenericPassword]
+        guard let itemValue = credentials.itemValue else {
+            return .failure
+        }
+        let itemValueData = itemValue.data(using: .utf8)!
+        let attributes : [String : Any] = [kSecValueData as String:itemValueData]
+        
+        let status = SecItemUpdate(query as CFDictionary, attributes as CFDictionary)
+        if status == 0 {
+            return .success
+        }
+        return .failure
+    }
+    
+    public func deleteItem(credentials:Credentials) -> KeychainError {
+        let query : [String : Any] = [kSecClass as String:kSecClassGenericPassword,kSecAttrAccount as String:credentials.itemKey]
+        let status = SecItemDelete(query as CFDictionary)
+        if status == 0 {
+            return .success
+        }
+        return .failure
+    }
+}

Pods/DDPersistenceKit_Private/LICENSE

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+Copyright (c) 2023 DDIsFriend <DDIsFriend@163.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

Pods/DDPersistenceKit_Private/README.md

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+# DDPersistenceKit_Private
+
+[![CI Status](https://img.shields.io/travis/DDIsFriend/DDPersistenceKit_Private.svg?style=flat)](https://travis-ci.org/DDIsFriend/DDPersistenceKit_Private)
+[![Version](https://img.shields.io/cocoapods/v/DDPersistenceKit_Private.svg?style=flat)](https://cocoapods.org/pods/DDPersistenceKit_Private)
+[![License](https://img.shields.io/cocoapods/l/DDPersistenceKit_Private.svg?style=flat)](https://cocoapods.org/pods/DDPersistenceKit_Private)
+[![Platform](https://img.shields.io/cocoapods/p/DDPersistenceKit_Private.svg?style=flat)](https://cocoapods.org/pods/DDPersistenceKit_Private)
+
+## Example
+
+To run the example project, clone the repo, and run `pod install` from the Example directory first.
+
+## Requirements
+
+## Installation
+
+DDPersistenceKit_Private is available through [CocoaPods](https://cocoapods.org). To install
+it, simply add the following line to your Podfile:
+
+```ruby
+pod 'DDPersistenceKit_Private'
+```
+
+## Author
+
+DDIsFriend, DDIsFriend@163.com
+
+## License
+
+DDPersistenceKit_Private is available under the MIT license. See the LICENSE file for more info.