|
1 | | -import type { EmulatorEnv } from '../src'; |
2 | | -import { Auth, emulatorHost, WorkersKVStoreSingle } from '../src'; |
| 1 | +import { Hono } from 'hono'; |
| 2 | +import { getCookie, setCookie } from 'hono/cookie'; |
| 3 | +import { csrf } from 'hono/csrf'; |
| 4 | +import { html } from 'hono/html'; |
| 5 | +import { Auth, EmulatorCredential, emulatorHost, WorkersKVStoreSingle } from '../src'; |
3 | 6 |
|
4 | | -interface Bindings extends EmulatorEnv { |
| 7 | +type Env = { |
5 | 8 | EMAIL_ADDRESS: string; |
6 | 9 | PASSWORD: string; |
7 | | - FIREBASE_AUTH_EMULATOR_HOST: string; |
8 | 10 | PUBLIC_JWK_CACHE_KV: KVNamespace; |
9 | 11 | PROJECT_ID: string; |
10 | 12 | PUBLIC_JWK_CACHE_KEY: string; |
11 | | -} |
| 13 | + |
| 14 | + FIREBASE_AUTH_EMULATOR_HOST: string; // satisfied EmulatorEnv |
| 15 | +}; |
| 16 | + |
| 17 | +const app = new Hono<{ Bindings: Env }>(); |
12 | 18 |
|
13 | 19 | const signInPath = '/identitytoolkit.googleapis.com/v1/accounts:signInWithPassword?key=test1234'; |
14 | 20 |
|
15 | | -export async function handleRequest(req: Request, env: Bindings) { |
16 | | - const url = new URL(req.url); |
17 | | - const firebaseEmuHost = emulatorHost(env); |
18 | | - if (url.pathname === '/get-jwt' && !!firebaseEmuHost) { |
19 | | - const firebaseEmulatorSignInUrl = 'http://' + firebaseEmuHost + signInPath; |
20 | | - const resp = await fetch(firebaseEmulatorSignInUrl, { |
21 | | - method: 'POST', |
22 | | - body: JSON.stringify({ |
23 | | - email: env.EMAIL_ADDRESS, |
24 | | - password: env.PASSWORD, |
25 | | - returnSecureToken: true, |
26 | | - }), |
27 | | - headers: { |
28 | | - 'Content-Type': 'application/json', |
29 | | - }, |
30 | | - }); |
31 | | - return resp; |
32 | | - } |
| 21 | +app.get('/get-jwt', async c => { |
| 22 | + const firebaseEmuHost = emulatorHost(c.env); |
| 23 | + const firebaseEmulatorSignInUrl = 'http://' + firebaseEmuHost + signInPath; |
| 24 | + return await fetch(firebaseEmulatorSignInUrl, { |
| 25 | + method: 'POST', |
| 26 | + body: JSON.stringify({ |
| 27 | + email: c.env.EMAIL_ADDRESS, |
| 28 | + password: c.env.PASSWORD, |
| 29 | + returnSecureToken: true, |
| 30 | + }), |
| 31 | + headers: { |
| 32 | + 'Content-Type': 'application/json', |
| 33 | + }, |
| 34 | + }); |
| 35 | +}); |
33 | 36 |
|
34 | | - const authorization = req.headers.get('Authorization'); |
| 37 | +app.post('/verify-header', async c => { |
| 38 | + const authorization = c.req.raw.headers.get('Authorization'); |
35 | 39 | if (authorization === null) { |
36 | 40 | return new Response(null, { |
37 | 41 | status: 400, |
38 | 42 | }); |
39 | 43 | } |
40 | 44 | const jwt = authorization.replace(/Bearer\s+/i, ''); |
41 | 45 | const auth = Auth.getOrInitialize( |
42 | | - env.PROJECT_ID, |
43 | | - WorkersKVStoreSingle.getOrInitialize(env.PUBLIC_JWK_CACHE_KEY, env.PUBLIC_JWK_CACHE_KV) |
| 46 | + c.env.PROJECT_ID, |
| 47 | + WorkersKVStoreSingle.getOrInitialize(c.env.PUBLIC_JWK_CACHE_KEY, c.env.PUBLIC_JWK_CACHE_KV) |
44 | 48 | ); |
45 | | - const firebaseToken = await auth.verifyIdToken(jwt, env); |
| 49 | + const firebaseToken = await auth.verifyIdToken(jwt, c.env); |
46 | 50 |
|
47 | 51 | return new Response(JSON.stringify(firebaseToken), { |
48 | 52 | headers: { |
49 | 53 | 'Content-Type': 'application/json', |
50 | 54 | }, |
51 | 55 | }); |
52 | | -} |
| 56 | +}); |
| 57 | + |
| 58 | +app.use('/admin/*', csrf()); |
| 59 | + |
| 60 | +app.get('/admin/login', async c => { |
| 61 | + const content = await html`<html> |
| 62 | + <head> |
| 63 | + <meta charset="UTF-8" /> |
| 64 | + <title>Login</title> |
| 65 | + </head> |
| 66 | + <body> |
| 67 | + <h1>Login Page</h1> |
| 68 | + <button id="sign-in" type="button">Sign-In</button> |
| 69 | + <script type="module"> |
| 70 | + // See https://firebase.google.com/docs/auth/admin/manage-cookies |
| 71 | + // |
| 72 | + import { initializeApp } from 'https://www.gstatic.com/firebasejs/10.5.0/firebase-app.js'; |
| 73 | + import $ from 'https://cdn.skypack.dev/jquery'; |
| 74 | + // Add Firebase products that you want to use |
| 75 | + import { |
| 76 | + getAuth, |
| 77 | + signInWithEmailAndPassword, |
| 78 | + onAuthStateChanged, |
| 79 | + connectAuthEmulator, |
| 80 | + signOut, |
| 81 | + setPersistence, |
| 82 | + inMemoryPersistence, |
| 83 | + } from 'https://www.gstatic.com/firebasejs/10.5.0/firebase-auth.js'; |
| 84 | + const app = initializeApp({ |
| 85 | + apiKey: 'test1234', |
| 86 | + authDomain: 'test', |
| 87 | + projectId: 'project12345', |
| 88 | + }); |
| 89 | + const auth = getAuth(app); |
| 90 | + connectAuthEmulator(auth, 'http://127.0.0.1:9099'); |
| 91 | + setPersistence(auth, inMemoryPersistence); |
| 92 | +
|
| 93 | + /** |
| 94 | + * @param {string} name The cookie name. |
| 95 | + * @return {?string} The corresponding cookie value to lookup. |
| 96 | + */ |
| 97 | + function getCookie(name) { |
| 98 | + const v = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)'); |
| 99 | + return v ? v[2] : null; |
| 100 | + } |
| 101 | +
|
| 102 | + /** |
| 103 | + * @param {string} url The session login endpoint. |
| 104 | + * @param {string} idToken The ID token to post to backend. |
| 105 | + * @return {any} A jQuery promise that resolves on completion. |
| 106 | + */ |
| 107 | + function postIdTokenToSessionLogin(url, idToken) { |
| 108 | + // POST to session login endpoint. |
| 109 | + return $.ajax({ |
| 110 | + type: 'POST', |
| 111 | + url: url, |
| 112 | + data: JSON.stringify({ idToken: idToken }), |
| 113 | + contentType: 'application/json', |
| 114 | + }); |
| 115 | + } |
| 116 | +
|
| 117 | + $('#sign-in').on('click', function () { |
| 118 | + console.log('clicked'); |
| 119 | +
|
| 120 | + signInWithEmailAndPassword(auth, '[email protected]', 'test1234') |
| 121 | + .then(({ user }) => { |
| 122 | + // Get the user's ID token as it is needed to exchange for a session cookie. |
| 123 | + const idToken = user.accessToken; |
| 124 | + // Session login endpoint is queried and the session cookie is set. |
| 125 | + // CSRF protection should be taken into account. |
| 126 | + // ... |
| 127 | + const csrfToken = getCookie('csrfToken'); |
| 128 | + return postIdTokenToSessionLogin('/admin/login_session', idToken, csrfToken); |
| 129 | + }) |
| 130 | + .then(() => { |
| 131 | + // A page redirect would suffice as the persistence is set to NONE. |
| 132 | + return signOut(auth); |
| 133 | + }) |
| 134 | + .then(() => { |
| 135 | + window.location.assign('/admin/profile'); |
| 136 | + }); |
| 137 | + }); |
| 138 | + </script> |
| 139 | + </body> |
| 140 | + </html>`; |
| 141 | + return c.html(content); |
| 142 | +}); |
| 143 | + |
| 144 | +app.post('/admin/login_session', async c => { |
| 145 | + const json = await c.req.json(); |
| 146 | + const idToken = json.idToken; |
| 147 | + if (!idToken || typeof idToken !== 'string') { |
| 148 | + return c.json({ message: 'invalid idToken' }, 400); |
| 149 | + } |
| 150 | + // Set session expiration to 5 days. |
| 151 | + const expiresIn = 60 * 60 * 24 * 5 * 1000; |
| 152 | + // Create the session cookie. This will also verify the ID token in the process. |
| 153 | + // The session cookie will have the same claims as the ID token. |
| 154 | + // To only allow session cookie setting on recent sign-in, auth_time in ID token |
| 155 | + // can be checked to ensure user was recently signed in before creating a session cookie. |
| 156 | + const auth = Auth.getOrInitialize( |
| 157 | + c.env.PROJECT_ID, |
| 158 | + WorkersKVStoreSingle.getOrInitialize(c.env.PUBLIC_JWK_CACHE_KEY, c.env.PUBLIC_JWK_CACHE_KV), |
| 159 | + new EmulatorCredential() // You MUST use ServiceAccountCredential in real world |
| 160 | + ); |
| 161 | + const sessionCookie = await auth.createSessionCookie( |
| 162 | + idToken, |
| 163 | + { |
| 164 | + expiresIn, |
| 165 | + }, |
| 166 | + c.env // This valus must be removed in real world |
| 167 | + ); |
| 168 | + setCookie(c, 'session', sessionCookie, { |
| 169 | + maxAge: expiresIn, |
| 170 | + httpOnly: true, |
| 171 | + // secure: true // set this in real world |
| 172 | + }); |
| 173 | + return c.json({ message: 'success' }); |
| 174 | +}); |
| 175 | + |
| 176 | +app.get('/admin/profile', async c => { |
| 177 | + const session = getCookie(c, 'session') ?? ''; |
| 178 | + |
| 179 | + const auth = Auth.getOrInitialize( |
| 180 | + c.env.PROJECT_ID, |
| 181 | + WorkersKVStoreSingle.getOrInitialize(c.env.PUBLIC_JWK_CACHE_KEY, c.env.PUBLIC_JWK_CACHE_KV), |
| 182 | + new EmulatorCredential() // You MUST use ServiceAccountCredential in real world |
| 183 | + ); |
| 184 | + |
| 185 | + try { |
| 186 | + const decodedToken = await auth.verifySessionCookie( |
| 187 | + session, |
| 188 | + c.env // This valus must be removed in real world |
| 189 | + ); |
| 190 | + return c.json(decodedToken); |
| 191 | + } catch (err) { |
| 192 | + return c.redirect('/admin/login'); |
| 193 | + } |
| 194 | +}); |
53 | 195 |
|
54 | | -export default { fetch: handleRequest }; |
| 196 | +export default app; |
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