-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #483 from kipr/navzam/eula-support
EULA support
- Loading branch information
Showing
30 changed files
with
3,628 additions
and
231 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* eslint-env node */ | ||
|
|
||
| const { cert, initializeApp } = require('firebase-admin/app'); | ||
| const { getAuth } = require('firebase-admin/auth'); | ||
| const axios = require('axios').default; | ||
|
|
||
| class FirebaseTokenManager { | ||
| constructor(serviceAccountKey, firebaseApiKey) { | ||
| this.firebaseApiKey = firebaseApiKey; | ||
|
|
||
| const firebaseApp = initializeApp({ | ||
| credential: cert(serviceAccountKey), | ||
| }); | ||
|
|
||
| this.firebaseAuth = getAuth(firebaseApp); | ||
|
|
||
| this.idToken = null; | ||
| this.idTokenExp = null; | ||
|
|
||
| // Immediately schedule a refresh to get the initial token | ||
| this.refreshTimerId = setTimeout(this.refreshToken.bind(this), 0); | ||
| } | ||
|
|
||
| getToken() { | ||
| // May return an expired token if token refresh is failing | ||
| console.log('using firebase token', this.idToken); | ||
| return this.idToken; | ||
| } | ||
|
|
||
| refreshToken() { | ||
| console.log('REFRESHING FIREBASE TOKEN'); | ||
| return this.getCustomToken() | ||
| .then(customToken => { | ||
| console.log('GOT CUSTOM TOKEN:', customToken); | ||
| return this.getIdTokenFromCustomToken(customToken); | ||
| }) | ||
| .then(idToken => { | ||
| console.log('GOT ID TOKEN:', idToken); | ||
|
|
||
| if (!idToken) { | ||
| throw new Error('Failed to get ID token'); | ||
| } | ||
|
|
||
| const base64Url = idToken.split('.')[1]; | ||
| console.log('base64Url', base64Url); | ||
|
|
||
| const buff = Buffer.from(base64Url, 'base64url'); | ||
| const raw = buff.toString('ascii'); | ||
| console.log('raw', raw); | ||
|
|
||
| const parsed = JSON.parse(raw); | ||
| console.log('parsed', parsed); | ||
|
|
||
| const exp = parsed['exp']; | ||
| console.log('exp', exp); | ||
|
|
||
| this.idTokenExp = exp; | ||
| this.idToken = idToken; | ||
|
|
||
| // Schedule refresh 5 mins before expiration | ||
| const msUntilExpiration = (exp * 1000) - Date.now(); | ||
| const refreshAt = msUntilExpiration - (5 * 60 * 1000); | ||
| if (refreshAt > 0) { | ||
| console.log('scheduling refresh in', refreshAt, 'ms'); | ||
| this.refreshTimerId = setTimeout(this.refreshToken.bind(this), refreshAt); | ||
| } else { | ||
| console.log('GOT NEGATIVE REFRESH AT TIME'); | ||
| } | ||
| }) | ||
| .catch(e => { | ||
| // Try again in 1 minute | ||
| console.error('Token refresh failed, retrying in 1 min', e); | ||
| this.refreshTimerId = setTimeout(this.refreshToken.bind(this), 60 * 1000); | ||
| }); | ||
| } | ||
|
|
||
| // Create a custom token with specific claims | ||
| // Used to exchange for an ID token from firebase | ||
| getCustomToken() { | ||
| if (!this.firebaseAuth) { | ||
| throw new Error('Firebase auth not initialized'); | ||
| } | ||
|
|
||
| return this.firebaseAuth.createCustomToken('simulator', { 'sim_backend': true }); | ||
| } | ||
|
|
||
| // Get an ID token from firebase using a previously created custom token | ||
| getIdTokenFromCustomToken(customToken) { | ||
| if (!this.firebaseAuth) { | ||
| throw new Error('Firebase auth not initialized'); | ||
| } | ||
|
|
||
| // Send request to auth emulator if using | ||
| const urlPrefix = process.env.FIREBASE_AUTH_EMULATOR_HOST ? `http://${process.env.FIREBASE_AUTH_EMULATOR_HOST}/` : 'https://'; | ||
| const url = `${urlPrefix}identitytoolkit.googleapis.com/v1/accounts:signInWithCustomToken?key=${this.firebaseApiKey}`; | ||
|
|
||
| return axios.post(url, { | ||
| token: customToken, | ||
| returnSecureToken: true, | ||
| }) | ||
| .then(response => { | ||
| const responseBody = response.data; | ||
| return responseBody.idToken; | ||
| }) | ||
| .catch(error => { | ||
| console.error('FAILED TO GET ID TOKEN', error?.response?.data?.error); | ||
| return null; | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| module.exports = { | ||
| FirebaseTokenManager, | ||
| }; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.