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outline/server/auth/google.js

101 lines
2.7 KiB
JavaScript

// @flow
import passport from "@outlinewiki/koa-passport";
import Router from "koa-router";
import { capitalize } from "lodash";
import { Strategy as GoogleStrategy } from "passport-google-oauth2";
import accountProvisioner from "../commands/accountProvisioner";
import env from "../env";
import {
GoogleWorkspaceRequiredError,
GoogleWorkspaceInvalidError,
} from "../errors";
import auth from "../middlewares/authentication";
import passportMiddleware from "../middlewares/passport";
import { getAllowedDomains } from "../utils/authentication";
import { StateStore } from "../utils/passport";
const router = new Router();
const providerName = "google";
const GOOGLE_CLIENT_ID = process.env.GOOGLE_CLIENT_ID;
const GOOGLE_CLIENT_SECRET = process.env.GOOGLE_CLIENT_SECRET;
const allowedDomains = getAllowedDomains();
const scopes = [
"https://www.googleapis.com/auth/userinfo.profile",
"https://www.googleapis.com/auth/userinfo.email",
];
export const config = {
name: "Google",
enabled: !!GOOGLE_CLIENT_ID,
};
if (GOOGLE_CLIENT_ID) {
passport.use(
new GoogleStrategy(
{
clientID: GOOGLE_CLIENT_ID,
clientSecret: GOOGLE_CLIENT_SECRET,
callbackURL: `${env.URL}/auth/google.callback`,
prompt: "select_account consent",
passReqToCallback: true,
store: new StateStore(),
scope: scopes,
},
async function (req, accessToken, refreshToken, profile, done) {
try {
const domain = profile._json.hd;
if (!domain) {
throw new GoogleWorkspaceRequiredError();
}
if (allowedDomains.length && !allowedDomains.includes(domain)) {
throw new GoogleWorkspaceInvalidError();
}
const subdomain = domain.split(".")[0];
const teamName = capitalize(subdomain);
const result = await accountProvisioner({
ip: req.ip,
team: {
name: teamName,
domain,
subdomain,
},
user: {
name: profile.displayName,
email: profile.email,
avatarUrl: profile.picture,
},
authenticationProvider: {
name: providerName,
providerId: domain,
},
authentication: {
providerId: profile.id,
accessToken,
refreshToken,
scopes,
},
});
return done(null, result.user, result);
} catch (err) {
return done(err, null);
}
}
)
);
router.get("google", passport.authenticate(providerName));
router.get(
"google.callback",
auth({ required: false }),
passportMiddleware(providerName)
);
}
export default router;