AppleId

//

//  RAAppleIdManager.swift

//  *****

//

//  Created by baitongtong on 2020/11/5.

//  Copyright © 2020 hq. All rights reserved.

//

 

import UIKit

import AuthenticationServices

@available(iOS 13.0, *)

class RAAppleIdManager: NSObject {

    

    static var shard = RAAppleIdManager()

    ///发起苹果登录

    func loginWithApple(callBack:((_ result: Bool,_ info: [String: Any]?) -> ())?) {

        let appleIDProvide = ASAuthorizationAppleIDProvider()

        let appIDRequest = appleIDProvide.createRequest()

        appIDRequest.requestedScopes = [ASAuthorization.Scope.fullName,ASAuthorization.Scope.email]

        let authorizationController = ASAuthorizationController.init(authorizationRequests: [appIDRequest])

        authorizationController.delegate = self

        authorizationController.presentationContextProvider = self

        authorizationController.performRequests()

        self.fetchAppleLogin = { status,dic in

            if let callBack = callBack {

                callBack(status,dic)

            }

        }

    }

    

    ///如果存在iCloud Keychain 凭证或者AppleID 凭证提示用户

    func perfomExistingAccountSetupFlows() {

        let appleIDProvide = ASAuthorizationAppleIDProvider()

        let appIDRequest = appleIDProvide.createRequest()

        let passwordProvider = ASAuthorizationPasswordProvider()

        let passwordRequest = passwordProvider.createRequest()

        let authorizationController = ASAuthorizationController.init(authorizationRequests: [appIDRequest,passwordRequest])

        authorizationController.delegate = self

        authorizationController.presentationContextProvider = self

        authorizationController.performRequests()

    }

    private func loginWithServer(user:String,token:String,code:String) {

        ///向你的服务器验证 ,验证通过即可登录

    }

    

    var fetchAppleLogin:((_ result: Bool,_ info: [String: Any]?) -> ())?

    

    ///苹果称，该 API 的速度非常快，我们可以在 App 每次启动时调用，然后根据结果做相应的处理：

    func panduan() {

        let appleIDProvider = ASAuthorizationAppleIDProvider()

        appleIDProvider.getCredentialState(forUserID: "currentUserIdentifier") { (credentialState, error) in

            switch credentialState {

            ///authorized：登录状态有效；

            ///revoked：上次使用苹果账号登录的凭据已被移除，需退出解除绑定并重新引导使用苹果登录；

            ///notFound：未登录，直接显示开发者 App 的登录页面。

            case .authorized:

                // The Apple ID credential is valid

                break

            case .revoked:

                // Apple ID Credential revoked, handle unlink

                break

            case .notFound:

                // Credential not found, show login UI

                break

            default:

                break

            }

        }

    }

    

    func listern() {

        // Register for revocation notification

        //        let center = NotificationCenter.default

        //        let name = NSNotification.Name.ASAuthorizationAppleIDProviderCredentialRevoked

        //        let observer = center.addObserver(forName: name, object: nil, queue: nil) { (Notification) in

        //            // Sign the user out, optionally guide them to sign in again

        //        }

    }

    

}

 

 

@available(iOS 13.0, *)

extension RAAppleIdManager : ASAuthorizationControllerDelegate,ASAuthorizationControllerPresentationContextProviding {

    func authorizationController(controller: ASAuthorizationController, didCompleteWithAuthorization authorization: ASAuthorization) {

        if authorization.credential.isKind(of: ASAuthorizationAppleIDCredential.classForCoder()) {

            

            /// 用户登录使用ASAuthorizationAppleIDCredential

            let appleIDCredential = authorization.credential as! ASAuthorizationAppleIDCredential

            let userId = appleIDCredential.user

            /// 使用过授权的，可能获取不到以下三个参数

            let familyName = appleIDCredential.fullName?.familyName ?? ""

            let givenName = appleIDCredential.fullName?.givenName ?? ""

            let email = appleIDCredential.email ?? ""

            

            let identityToken = appleIDCredential.identityToken ?? Data()

//            let authorizationCode = appleIDCredential.authorizationCode ?? Data()

            // 用于判断当前登录的苹果账号是否是一个真实用户，取值有：unsupported、unknown、likelyReal

//            let realUserStatus = appleIDCredential.realUserStatus

            // 服务器验证需要使用的参数

            let info:[String: Any] = ["nickName":familyName + givenName,"thirdPartyOpenId": userId,"email": email,"token":identityToken]

            if let callBack = fetchAppleLogin {

                callBack(true,info)

            }

 

        }else if authorization.credential.isKind(of: ASPasswordCredential.classForCoder()) {

            /// 这个获取的是iCloud记录的账号密码，需要输入框支持iOS 12 记录账号密码的新特性，如果不支持，可以忽略

            /// Sign in using an existing iCloud Keychain credential.

            /// 用户登录使用现有的密码凭证

            let passworCreddential = authorization.credential as! ASPasswordCredential

            /// 密码凭证对象的用户标识 用户的唯一标识

            let userId = passworCreddential.user

            /// 密码凭证对象的密码

            ///let password = passworCreddential.password

            let info:[String: Any] = ["nickName":"","thirdPartyOpenId": userId,"email": "","token":""]

            if let callBack = fetchAppleLogin {

                callBack(true,info)

            }

            

        }else{

            if let callBack = fetchAppleLogin {

                callBack(false,nil)

            }

        }

    }

    

    func authorizationController(controller: ASAuthorizationController, didCompleteWithError error: Error) {

        var errorStr : String?

        switch (error as NSError).code {

        case ASAuthorizationError.canceled.rawValue :

            errorStr = "用户取消了授权请求"

        case ASAuthorizationError.failed.rawValue :

            errorStr = "授权请求失败"

        case ASAuthorizationError.invalidResponse.rawValue :

            errorStr = "授权请求无响应"

        case ASAuthorizationError.notHandled.rawValue :

            errorStr = "未能处理授权请求"

        case ASAuthorizationError.unknown.rawValue :

            errorStr = "授权请求失败原因未知"

        default:

            break

        }

        if let str = errorStr {

            if let callBack = fetchAppleLogin {

                callBack(false,["error":str])

            }

        }

    }

    

    func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {

        return UIApplication.shared.windows.last ?? ASPresentationAnchor()

    }

    

}