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'use strict'; |
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let firebase = require('firebase'); |
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let admin = require('firebase-admin'); |
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/** Class representing a firebase authentication */ |
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class FirebaseAuth { |
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/** |
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* Creates a firebaseAuth |
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* @params {Object} firebaseConfig - The config for firebase |
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* @params {Object} serviceKey - The service account for firebase |
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*/ |
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constructor(firebaseConfig, serviceKey, nameOfAdmin) { |
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this.firebase = firebase; |
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this.admin = admin; |
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this.firebase.initializeApp(firebaseConfig); |
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if (nameOfAdmin) |
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this.admin.initializeApp({credential: this.admin.credential.cert(serviceKey)}, nameOfAdmin); |
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else |
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this.admin.initializeApp({credential: this.admin.credential.cert(serviceKey)}); |
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} |
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/** |
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* Signing in an user and tries to get their id token. |
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* |
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* @param {String} email - Email for the account |
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* @param {String} password - Password for the account |
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* @promise {String} Returns a string with the id token of the user. |
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* @rejects {Object} Returns an object with errors if rejected |
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*/ |
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signIn(email, password) { |
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return this.firebase.auth().signInWithEmailAndPassword(email, password) |
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.then(() => { |
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return this.getIdToken(); |
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}) |
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.catch((error) => { |
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throw { code: error.code, message: error.message }; |
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}); |
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} |
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/** |
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* Gets the id token from the logged in user. |
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* |
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* @promise {String} Returns a string with the id token of the user. |
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* @rejects {Object} Returns an object with errors if rejected |
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*/ |
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getIdToken() { |
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return this.firebase.auth().currentUser.getIdToken(true) |
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.then((idToken) => { |
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return idToken; |
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}).catch((error) => { |
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throw { code: error.code, message: error.message }; |
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}); |
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} |
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/** |
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* Verify the id token of an user. |
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* |
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* @promise {Boolean} Returns true if successful |
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* @rejects {Object} Returns an object with errors if rejected |
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*/ |
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authToken(idToken) { |
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return this.admin.auth().verifyIdToken(idToken) |
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.then(() => { |
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return true; |
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}).catch((error) => { |
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throw { code: error.code, message: error.message }; |
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}); |
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} |
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} |
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module.exports = FirebaseAuth; |
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