在注册时进行Firebase电子邮件验证 [英] Firebase email verification at SignUp

问题描述

在用户注册Firebase之前，我应该如何验证电子邮件地址? 我知道电子邮件地址已通过.sendEmailVerification验证，但是这仅适用于当前用户.因此，在发送验证电子邮件之前，必须已经创建了一个用户.这不会有多大帮助，因为您显然必须先验证电子邮件，然后才能将其添加到数据库中.因此，什么是好的解决方法?

How should I go about verifying an email address prior to the user signing up with Firebase? I know that an email address is verified with .sendEmailVerification, however this only works on the current user. Hence a user must be already created before sending a verification email. This would not be of much help since you obviously have to verify an email before adding it to your database. Therefore, what is a good workaround?

推荐答案

在使用Firebase Auth进行注册之前，您无法验证电子邮件.电子邮件验证并非总是必需的.这就是为什么Firebase Auth将它作为一种方法提供给用户的原因.某些应用程序不需要注册时进行电子邮件验证，其他应用程序可以将其设置为可选，其他应用程序可以提供对未验证用户的有限访问权限，等等.

You can't verify the email prior to sign up with Firebase Auth. Email verification is not always required. This is why Firebase Auth provides it as a method on the user. Some applications do not require email verification on sign-up, others may make it optional, others may offer limited access to unverified users, etc.

如果您想要求用户在访问您的应用程序内容之前经过验证，则可以: 通过Firebase规则强制执行，例如: ".read": "auth.token.email_verified === true"

If you want to require users to be verified before accessing your app content, you can either: enforce that via Firebase rules, eg: ".read": "auth.token.email_verified === true"

或者，如果您使用自己的后端，请使用Firebase Admin SDK， https://firebase.google.com/docs/auth/admin/验证ID令牌:

Or, if you are using your own backend, use the Firebase Admin SDK, https://firebase.google.com/docs/auth/admin/verify-id-tokens:

admin.auth().verifyIdToken(idToken).then(decodedToken => {
  if (decodedToken.email_verified) {
    // Email verified. Grant access.
  } else {
    // Email not verified. Ask user to verify email.
  }
});

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