如何在 Firebase 中使用电子邮件和电话进行身份验证？

Question

我正在寻找一种 react-native 方法，让用户使用他的电话号码注册，然后添加他的电子邮件和密码。 但是当用户登录时，他只使用电子邮件和密码登录。

电话号码仅出于安全原因。

我在用户验证他的号码后执行 signInWithPhoneNumber() 我调用了 createUserWithEmailAndPassword() 但这是在控制台 Auth 中同时进行的两个单独的身份验证 “电子邮件”和“电话号码”

代码

// I just pass the result into separate screen then use it to confirm all stuff is work :D

...
auth()
        .signInWithPhoneNumber(phoneWithAreaCode, true)
        .then(confirmResult => {
          console.log('2', phoneWithAreaCode);
          console.log('confirmResult', confirmResult);
          this.setState({
            confirmResult,
            loading: false,
          });
        })
...

confirmCode = codeInput => {
    const {confirmResult, email, password} = this.state;
    console.log('codeInput Is:', codeInput.length);
    if (confirmResult && codeInput.length) {
      confirmResult
        .confirm(codeInput)
        .then(async () => {
          clearInterval(this.interval);
          const {params} = this.props.navigation.state;
          await auth()
            .createUserWithEmailAndPassword(email, password)
            .then(({user}) => {
              console.log('hey u');
              let uid = user.uid;
              params.createUser(uid);
            })
            .catch(error => {
              // Handle Errors here.
              var errorCode = error.code;
              switch (errorCode) {
                case 'auth/email-already-in-use':
                  this.setState({loading: false, password: ''});
                  break;
                case 'auth/invalid-email':
                  this.setState({loading: false, password: ''});
                  break;
                case 'auth/operation-not-allowed':
                  this.setState({loading: false, password: ''});
                  break;
                case 'auth/weak-password':
                  this.setState({loading: false, password: ''});
                  break;
                default:
                  this.setState({loading: false, password: ''});
                  break;
              }
            });
          //Check if any users exist
          // database()
          //   .ref(`users`)
          //   .limitToFirst(1)
          //   .once('value', async snapshot => {
          //     if (snapshot.exists()) {
          //       console.log('exists!');
          //       return true;
          //     } else {
          //       // params.createUser(user.uid);
          //       console.log('No user found Hah');
          //     }
          //   });
          this.setState({
            timer: 0,
            isValid: true,
          });
        })
        .catch(error => {
          let errorCode = error.code;
          let errorMessage = error.message;
          console.log(errorCode);
          switch (errorCode) {
            case 'auth/invalid-verification-code':
              this.setState({codeInput: ''});
              this.refs.codeInputRef2.clear();
              break;
            default:
              break;
          }
          console.log(errorMessage);
        });
    } else {
      console.log('Not here');
    }
  };

编辑

 confirmCode = codeInput => {
    const {confirmResult, password, email} = this.state;
    console.log('codeInput Is:', codeInput.length);
    if (confirmResult && codeInput.length) {
      confirmResult
        .confirm(codeInput)
        .then(user => {
          console.log(user);
          let userE = auth().currentUser;
          // userE.updateEmail(email); 

          auth().createUserWithEmailAndPassword(email, password);

          clearInterval(this.interval);
          const {params} = this.props.navigation.state;
          params.createUser(user.uid);
          this.setState({
            timer: 0,
            isValid: true,
          });
        })
        .catch(error => {
          let errorCode = error.code;
          let errorMessage = error.message;
          switch (errorCode) {
            case 'auth/invalid-verification-code':
              this.refs.codeInputRef2.clear();
              break;
            default:
              break;
          }
          console.log(errorMessage);
        });
    } else {
      console.log('Not here');
    }
  };

Answer 1

如果您想为同一用户使用多个身份验证提供程序，则需要链接它们以防止创建单独的用户。要链接它们，您可以使用 linkWithCredential() 例如：

var credential = firebase.auth.EmailAuthProvider.credential(email, password);

这里将邮箱和密码传递给EmailAuthProvider.credential方法，然后可以将AuthCredential对象传递给登录用户的linkWithCredential方法：

firebase.auth().currentUser.linkWithCredential(credential).then(function(usercred) {
  var user = usercred.user;
  console.log("Account linking success", user);
}, function(error) {
  console.log("Account linking error", error);
});

您可以查看文档以了解链接多个提供商的其他方式：

https://firebase.google.com/docs/auth/web/account-linking

https://firebase.google.com/docs/auth/web/account-linking#link-email-address-and-password-credentials-to-a-user-account