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wiki/server/modules/authentication/azure/authentication.js

57 lines
2.0 KiB

const _ = require('lodash')
// ------------------------------------
// Azure AD Account
// ------------------------------------
const OIDCStrategy = require('passport-azure-ad').OIDCStrategy
module.exports = {
init (passport, conf) {
// Workaround for Chrome's SameSite cookies
// cookieSameSite needs useCookieInsteadOfSession to work correctly.
// cookieEncryptionKeys is extracted from conf.cookieEncryptionKeyString.
// It's a concatnation of 44-character length strings each of which represents a single pair of key/iv.
// Valid cookieEncryptionKeys enables both cookieSameSite and useCookieInsteadOfSession.
const keyArray = [];
if (conf.cookieEncryptionKeyString) {
let keyString = conf.cookieEncryptionKeyString;
while (keyString.length >= 44) {
keyArray.push({ key: keyString.substring(0, 32), iv: keyString.substring(32, 44) });
keyString = keyString.substring(44);
}
}
passport.use(conf.key,
new OIDCStrategy({
identityMetadata: conf.entryPoint,
clientID: conf.clientId,
redirectUrl: conf.callbackURL,
responseType: 'id_token',
responseMode: 'form_post',
scope: ['profile', 'email', 'openid'],
allowHttpForRedirectUrl: WIKI.IS_DEBUG,
passReqToCallback: true,
cookieSameSite: keyArray.length > 0,
useCookieInsteadOfSession: keyArray.length > 0,
cookieEncryptionKeys: keyArray
}, async (req, iss, sub, profile, cb) => {
const usrEmail = _.get(profile, '_json.email', null) || _.get(profile, '_json.preferred_username')
try {
const user = await WIKI.db.users.processProfile({
providerKey: req.params.strategy,
profile: {
id: profile.oid,
displayName: profile.displayName,
email: usrEmail,
picture: ''
}
})
cb(null, user)
} catch (err) {
cb(err, null)
}
})
)
}
}