File size: 4,474 Bytes
390536f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | import * as client from "openid-client";
import { Strategy, type VerifyFunction } from "openid-client/passport";
import passport from "passport";
import session from "express-session";
import type { Express, RequestHandler } from "express";
import memoize from "memoizee";
import connectPg from "connect-pg-simple";
import { authStorage } from "./storage";
const getOidcConfig = memoize(
async () => {
return await client.discovery(
new URL(process.env.ISSUER_URL ?? "https://replit.com/oidc"),
process.env.REPL_ID!
);
},
{ maxAge: 3600 * 1000 }
);
export function getSession() {
const sessionTtl = 7 * 24 * 60 * 60 * 1000; // 1 week
const pgStore = connectPg(session);
const sessionStore = new pgStore({
conString: process.env.DATABASE_URL,
createTableIfMissing: false,
ttl: sessionTtl,
tableName: "sessions",
});
return session({
secret: process.env.SESSION_SECRET!,
store: sessionStore,
resave: false,
saveUninitialized: false,
cookie: {
httpOnly: true,
secure: true,
maxAge: sessionTtl,
},
});
}
function updateUserSession(
user: any,
tokens: client.TokenEndpointResponse & client.TokenEndpointResponseHelpers
) {
user.claims = tokens.claims();
user.access_token = tokens.access_token;
user.refresh_token = tokens.refresh_token;
user.expires_at = user.claims?.exp;
}
async function upsertUser(claims: any) {
await authStorage.upsertUser({
id: claims["sub"],
email: claims["email"],
firstName: claims["first_name"],
lastName: claims["last_name"],
profileImageUrl: claims["profile_image_url"],
});
}
export async function setupAuth(app: Express) {
app.set("trust proxy", 1);
app.use(getSession());
app.use(passport.initialize());
app.use(passport.session());
const config = await getOidcConfig();
const verify: VerifyFunction = async (
tokens: client.TokenEndpointResponse & client.TokenEndpointResponseHelpers,
verified: passport.AuthenticateCallback
) => {
const user = {};
updateUserSession(user, tokens);
await upsertUser(tokens.claims());
verified(null, user);
};
// Keep track of registered strategies
const registeredStrategies = new Set<string>();
// Helper function to ensure strategy exists for a domain
const ensureStrategy = (domain: string) => {
const strategyName = `replitauth:${domain}`;
if (!registeredStrategies.has(strategyName)) {
const strategy = new Strategy(
{
name: strategyName,
config,
scope: "openid email profile offline_access",
callbackURL: `https://${domain}/api/callback`,
},
verify
);
passport.use(strategy);
registeredStrategies.add(strategyName);
}
};
passport.serializeUser((user: Express.User, cb) => cb(null, user));
passport.deserializeUser((user: Express.User, cb) => cb(null, user));
app.get("/api/login", (req, res, next) => {
ensureStrategy(req.hostname);
passport.authenticate(`replitauth:${req.hostname}`, {
prompt: "login consent",
scope: ["openid", "email", "profile", "offline_access"],
})(req, res, next);
});
app.get("/api/callback", (req, res, next) => {
ensureStrategy(req.hostname);
passport.authenticate(`replitauth:${req.hostname}`, {
successReturnToOrRedirect: "/",
failureRedirect: "/api/login",
})(req, res, next);
});
app.get("/api/logout", (req, res) => {
req.logout(() => {
res.redirect(
client.buildEndSessionUrl(config, {
client_id: process.env.REPL_ID!,
post_logout_redirect_uri: `${req.protocol}://${req.hostname}`,
}).href
);
});
});
}
export const isAuthenticated: RequestHandler = async (req, res, next) => {
const user = req.user as any;
if (!req.isAuthenticated() || !user.expires_at) {
return res.status(401).json({ message: "Unauthorized" });
}
const now = Math.floor(Date.now() / 1000);
if (now <= user.expires_at) {
return next();
}
const refreshToken = user.refresh_token;
if (!refreshToken) {
res.status(401).json({ message: "Unauthorized" });
return;
}
try {
const config = await getOidcConfig();
const tokenResponse = await client.refreshTokenGrant(config, refreshToken);
updateUserSession(user, tokenResponse);
return next();
} catch (error) {
res.status(401).json({ message: "Unauthorized" });
return;
}
};
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