第三方应用使用apple id授权登录

#pragma mark- 授权苹果ID
- (void)authorizationAppleID {
    
    if (@available(iOS 13.0, *)) {
        
        ASAuthorizationAppleIDProvider * appleIDProvider = [[ASAuthorizationAppleIDProvider alloc] init];
        ASAuthorizationAppleIDRequest * authAppleIDRequest = [appleIDProvider createRequest];
        ASAuthorizationPasswordRequest * passwordRequest = [[[ASAuthorizationPasswordProvider alloc] init] createRequest];

        NSMutableArray <ASAuthorizationRequest *> * array = [NSMutableArray arrayWithCapacity:2];
        if (authAppleIDRequest) {
            [array addObject:authAppleIDRequest];
        }
//        if (passwordRequest) {
//            [array addObject:passwordRequest];
//        }
        NSArray <ASAuthorizationRequest *> * requests = [array copy];
        
        ASAuthorizationController * authorizationController = [[ASAuthorizationController alloc] initWithAuthorizationRequests:requests];
        authorizationController.delegate = self;
        authorizationController.presentationContextProvider = self;
        [authorizationController performRequests];
        
    } else {
        // 处理不支持系统版本
        [SVProgressHUD showImage:[UIImage imageNamed:@""] status:@"使用该功能，需升级至iOS13以上"];
        NSLog(@"系统不支持Apple登录");
    }
}

#pragma mark- ASAuthorizationControllerDelegate
// 授权成功
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithAuthorization:(ASAuthorization *)authorization API_AVAILABLE(ios(13.0)) {
    
    if ([authorization.credential isKindOfClass:[ASAuthorizationAppleIDCredential class]]) {
        
        ASAuthorizationAppleIDCredential * credential = authorization.credential;
        
        // 苹果用户唯一标识符，该值在同一个开发者账号下的所有 App 下是一样的，开发者可以用该唯一标识符与自己后台系统的账号体系绑定起来。
        NSString * userID = credential.user;
        
        // 苹果用户信息 如果授权过，可能无法再次获取该信息
        NSPersonNameComponents * fullName = credential.fullName;
        NSString * email = credential.email;
        
        // 服务器验证需要使用的参数
        NSString * authorizationCode = [[NSString alloc] initWithData:credential.authorizationCode encoding:NSUTF8StringEncoding];
        NSString * identityToken = [[NSString alloc] initWithData:credential.identityToken encoding:NSUTF8StringEncoding];
        
        // 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
        ASUserDetectionStatus realUserStatus = credential.realUserStatus;
        
        [[NSUserDefaults standardUserDefaults] setObject:userID forKey:@"appleID"];
        
//        NSLog(@"userID: %@", userID);
//        NSLog(@"fullName: %@", fullName);
//        NSLog(@"email: %@", email);
//        NSLog(@"authorizationCode: %@", authorizationCode);
//        NSLog(@"identityToken: %@", identityToken);//把这个传给服务端
//        NSLog(@"realUserStatus: %@", @(realUserStatus));
        [self appleLoginWithParam:@{@"appleUserId":userID,@"identityToken":identityToken}];//这里就是把授权得到的信息交给服务端进行处理
    }
    else if ([authorization.credential isKindOfClass:[ASPasswordCredential class]]) {
        
        // 用户登录使用现有的密码凭证
        ASPasswordCredential * passwordCredential = authorization.credential;
        // 密码凭证对象的用户标识 用户的唯一标识
        NSString * user = passwordCredential.user;
        // 密码凭证对象的密码
        NSString * password = passwordCredential.password;
        
        NSLog(@"userID: %@", user);
        NSLog(@"password: %@", password);
        
    } else {
        
    }
}

// 授权失败
- (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithError:(NSError *)error API_AVAILABLE(ios(13.0)) {
    
    NSString *errorMsg = nil;
    
    switch (error.code) {
        case ASAuthorizationErrorCanceled:
            errorMsg = @"用户取消了授权请求";
            break;
        case ASAuthorizationErrorFailed:
            errorMsg = @"授权请求失败";
            break;
        case ASAuthorizationErrorInvalidResponse:
            errorMsg = @"授权请求响应无效";
            break;
        case ASAuthorizationErrorNotHandled:
            errorMsg = @"未能处理授权请求";
            break;
        case ASAuthorizationErrorUnknown:
            errorMsg = @"授权请求失败未知原因";
            break;
    }
    NSLog(@"%@", errorMsg);
}

#pragma mark- ASAuthorizationControllerPresentationContextProviding
- (ASPresentationAnchor)presentationAnchorForAuthorizationController:(ASAuthorizationController *)controller {
    
    return self.view.window;
}

#pragma mark- apple授权状态 更改通知
- (void)handleSignInWithAppleStateChanged:(NSNotification *)notification{
    NSLog(@"%@", notification.userInfo);
}