ios中的回调未返回进行身份验证

Question

我正在使用swifter来获取访问令牌

swifter.authorize(with: URL(string: "callback://")!, presentFrom: self, success: { accessToken, response in
        print("HELLO")
        print(accessToken)
        // ...
    }, failure: { error in
        // ...
    })

我可以成功登录，因为该应用程序打开了SFSafariViewController，但是我没有被定向回我的应用程序，并且永远不会调用成功回调

这里是swifter的代码，我看到presentFrom假设是SFSafariViewController，但SFSafariViewController的delgate方法没有被触发

 public func authorize(with callbackURL: URL, presentFrom presentingViewController: UIViewController? , success: TokenSuccessHandler?, failure: FailureHandler? = nil) {
    self.postOAuthRequestToken(with: callbackURL, success: { token, response in
        var requestToken = token!
        NotificationCenter.default.addObserver(forName: .SwifterCallbackNotification, object: nil, queue: .main) { notification in
            NotificationCenter.default.removeObserver(self)
            presentingViewController?.presentedViewController?.dismiss(animated: true, completion: nil)
            let url = notification.userInfo![CallbackNotification.optionsURLKey] as! URL

            let parameters = url.query!.queryStringParameters
            requestToken.verifier = parameters["oauth_verifier"]

            self.postOAuthAccessToken(with: requestToken, success: { accessToken, response in
                self.client.credential = Credential(accessToken: accessToken!)
                success?(accessToken!, response)
                }, failure: failure)
        }

        let authorizeURL = URL(string: "oauth/authorize", relativeTo: TwitterURL.oauth.url)
        let queryURL = URL(string: authorizeURL!.absoluteString + "?oauth_token=\(token!.key)")!

        if #available(iOS 9.0, *) , let delegate = presentingViewController as? SFSafariViewControllerDelegate {
            let safariView = SFSafariViewController(url: queryURL)
            safariView.delegate = delegate
            presentingViewController?.present(safariView, animated: true, completion: nil)
        } else {
            UIApplication.shared.openURL(queryURL)
        }
    }, failure: failure)
}

Answer 1

它只是等待并说“将你重定向到应用程序”但从未真正回到应用程序？

您需要将这两个函数添加到Appdelegate

func application(_ app: UIApplication, open url: URL, options: [UIApplicationOpenURLOptionsKey : Any] = [:]) -> Bool {
    Swifter.handleOpenURL(url)
    return true
}

func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
    Swifter.handleOpenURL(url as URL)

    return true
}

也试着看看这个以获得进一步的帮助：How to Authorize Twitter with Swifter