[英]Firebase Email Verification Swift
我尝试使用 Firebase 身份验证,但即使我没有使用电子邮件确认验证,登录也让我进入。 我有两个 Viewcontroller ,一个用于登录,另一个用于注册。 我可以登录并收到用于验证的电子邮件,但我也可以在不验证的情况下登录。
public func sendVerificationMail() {
if self.authUser != nil && !self.authUser!.isEmailVerified {
self.authUser!.sendEmailVerification(completion: { (error) in
// Notify the user that the mail has sent or couldn't because of an error.
})
} else {
// Either the user is not available, or the user is already verified.
}
}
@IBAction func signupButtonTapped(_ sender: Any) {
print("Sign up button tapped")
Auth.auth().createUser(withEmail: self.userEmailTextField.text!, password: self.userPasswordTextField.text!) { (user, error) in
if user != nil {
print("User has Signed Up")
self.sendVerificationMail()
}
if error != nil {
print("User cant Sign Up")
}
}
}
@IBAction func signinButtonTapped(_ sender: Any) {
Auth.auth().signIn(withEmail: self.userEmailTextField.text!, password: self.userPasswordTextField.text!) { (user, error) in
if user != nil {
print("User has Signed In")
}
if error != nil {
print("Cant Sign in user")
} else {
self.performSegue(withIdentifier: "toHome", sender: nil)
}
}
}
Firebase 身份验证不会阻止用户在未验证电子邮件时登录。 如果您想阻止用户在未经验证的情况下继续前进,则需要使用isEmailVerified
布尔值在客户端上对此进行编码。
Auth.auth().signIn(withEmail: self.userEmailTextField.text!, password: self.userPasswordTextField.text!) { (authResult, error) in
if let authResult = authResult {
let user = authResult.user
print("User has Signed In")
if user.isEmailVerified {
self.performSegue(withIdentifier: "toHome", sender: nil)
} else {
// do whatever you want to do when user isn't verified
}
}
if let error = error {
print("Cant Sign in user")
}
}
比@jen-person 提供的更全面的解决方案(并基于另一个 SO 答案)是这样的:
final class MySignInView: UIView { // or possibly MySignInViewController: UIViewController
// ... your properties etc...
@IBAction func signInButtonPressed(sender _: AnyObject) {
trySigningIn()
}
}
// MARK: Private
private extension MySignInView {
func trySigningIn() {
guard
let email = userEmailTextField.text,
let password = userPasswordTextField.text
else {
print("Cannot sign in, email or password is 'nil'")
return
}
do {
try signIn(email: email, password: password) { [unowned self] authResult in
self.userDidSignIn(authResult.user)
}
} catch {
// Display error
}
}
func userDidSignIn(_ user: FIRUser) {
// Creds to Jen: https://stackoverflow.com/a/51389154/1311272
guard user.isEmailVerified else {
// TODO display message about non verified email user?
return
}
performSegue(withIdentifier: "toHome", sender: nil)
}
}
// MARK: Error
private extension MySignInView {
enum Error: Strng, Equatable {
case invalidEmail
case userDisabled
case wrongPassword
case userNotFound
case networkError
case unknownError
}
}
// MARK: Firebae specific
private extension MySignInView {
func signIn(
email: String,
password: String,
onSuccessful: (AuthDataResult) -> Void
) throws {
Auth.auth().signIn(
withEmail: email,
password: password
) { (authResult, anyError) in
if let anyError = anyError {
if let error = Error(anyError: anyError) {
throw error
} else {
fatalError("Unsupported error: \(anyError)")
}
}
onSuccessful(authResult)
}
}
}
private extension MySignInView.Error {
init?(anyError: Swift.Error) {
guard let authErrorCode = FIRAuthErrorCode(rawValue: anyError.code) else {
return nil
}
self.init(fireBaseAuthErrorCode: authErrorCode)
}
// Creds goes to to: https://stackoverflow.com/a/39936083/1311272
init(fireBaseAuthErrorCode: FIRAuthErrorCode) {
switch errCode {
case .ErrorCodeInvalidEmail:
self = .invalidEmail
case .ErrorCodeUserDisabled:
self = .userDisabled
case .ErrorCodeWrongPassword:
self = .wrongPassword
case .ErrorCodeUserNotFound:
self = .userNotFound
case .ErrorCodeNetworkError:
self = .networkError
default:
self = .unknownError
}
}
}
当然,您需要适当地通知用户不同的错误/不正确的状态,而不仅仅是打印。
这段代码可能我应该移到ViewModel
,如果您没有使用MVVM
,我强烈推荐它:)。
if let email = emailTextfield.text, let password = passwordTextfield.text {
Auth.auth().signIn(withEmail: email, password: password) { authResult, error in
if let e = error{
print(e.localizedDescription)
}
else {
//Do whatever you want to do after successful login
}
}
}
你也可以试试这个:
if( !Auth.auth().currentUser!.isEmailVerified) {
// do something
}
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