问题描述
我正在考虑使用第 3 方 SMS 提供商在 Expo 中使用 firebase 电话登录,因为即使在设置 const attemptInvisibLeverification = true;
后,我也无法在 Android 上使用 this code 可靠地禁用 Recaptcha。
因此,我计划在使用 firebase 创建用户的同时使用 3rd 方 SMS 提供商(例如 Twilio)发送 SMS。这样我就可以绕过使用 Recaptcha。如果您发现这有什么问题,请告知我该如何解决。
// <project_root>/functions/index.js
const functions = require('firebase-functions');
const admin = require('firebase-admin');
/*
set environment variables via terminal
$ firebase functions:config:set twilio.account=<accountSid> twilio.token=<authToken> twilio.from=<your from number>
*/
const config = functions.config();
const twilio = require('twilio')(config.twilio.account,config.twilio.token);
/*
Now you need to download a private cert (service-account.json)
https://firebase.google.com/docs/admin/setup#add_firebase_to_your_app
and add add it to your /functions directory (don't forget to .gitignore it)
*/
const serviceAccount = require('./service-account.json');
admin.initializeApp({
credential: admin.credential.cert(serviceAccount),databaseURL: 'https://<your-project-id>.firebaseio.com',});
// Looks for user by phone number. If found (new log in),sends
// verfication. If not found (new sign up),creates new user and
// sends verification
exports.logInWithPhoneNumber = functions.https.onRequest((req,res) => {
const { phone } = req.body;
admin
.auth()
.getUserByPhoneNumber(phone)
.then(userRecord => sendSMsverification(res,userRecord.uid,phone))
.catch(error => {
switch (error.code) {
case 'auth/user-not-found':
return createuser();
default:
return sendError(error);
}
});
const createuser = () => {
admin
.auth()
.createuser({
phoneNumber: phone,})
.then(({ uid }) => sendSMsverification(res,uid,phone))
.catch(sendError);
};
const sendError = error => res.status(422).send(error);
const sendSMsverification = (res,phone) => {
const code = Math.floor(Math.random() * 899999 + 100000);
const expiration = Date.Now() + 2 * 60000; // Expires in 2 minutes
const verification = { code,expiration,valid: true };
const setUser = message => {
admin
.firestore()
.collection('users')
.doc(uid)
.set({ verification })
.then(() => res.send({ success: true }))
.catch(sendError);
};
twilio.messages
.create({
body: `Your family code is ${code}`,to: phone,from: config.twilio.from,})
.then(setUser)
.catch(sendError);
};
});
exports.verifyToken = functions.https.onRequest((req,res) => {
// Validate code and expiration time,ensuring that code hasn't been used before.
// If matches,create custom auth token and then invalidate code
const { code,phone } = req.body;
const sendError = error => res.status(422).send({ error: error.message });
admin
.auth()
.getUserByPhoneNumber(phone)
.then(userRecord => {
return admin
.firestore()
.collection('users')
.doc(userRecord.uid)
.get();
})
.then(doc => {
if (!doc.exists) {
return Promise.reject(new Error('custom/uid-not-found'));
}
const timeNow = Date.Now();
const { verification } = doc.data();
let error = null;
if (verification.code !== parseInt(code,10)) {
error = 'custom/code-does-not-match';
} else if (!verification.valid) {
error = 'custom/code-already-used';
} else if (timeNow > verification.expiration) {
error = 'custom/code-expired';
}
if (error) {
return Promise.reject(new Error(error));
}
doc.ref.update({ 'verification.valid': false });
return Promise.resolve(doc.id);
})
.then(uid => admin.auth().createCustomToken(uid))
.then(token => res.send({ token }))
.catch(sendError);
});
解决方法
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