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40 changes: 28 additions & 12 deletions middleware/auth.js
Original file line number Diff line number Diff line change
Expand Up @@ -4,41 +4,57 @@ import { createHash } from 'crypto';
const cookieSecret = createHash('sha256').update('51O4').digest('hex');
const hoursPasswordHash =
'b1170d000f6a2c4e32d1ba34f7d788efa32bceeaba5f5ff432eb11ac21cd3d81';
const adminPasswordHash =
'cb59d8384d329f18164b096c627956701b9eac0f975e1c4d6dd5a7d3823da1d8';

function cookieParserMiddleware(req, res, next) {
return cookieParser(cookieSecret)(req, res, next);
}

function getAuthConfig(req) {
const isAdmin = req.originalUrl.startsWith('/hours/admin');
return {
isAdmin,
cookieName: isAdmin ? 'adminPassword' : 'password',
passwordHash: isAdmin ? adminPasswordHash : hoursPasswordHash,
successRedirect: isAdmin ? '/hours/admin' : '/hours/home',
failRedirect: '/hours',
};
}

function hashCheckMiddleware(req, res, next) {
const { isAdmin, cookieName, passwordHash, successRedirect, failRedirect } =
getAuthConfig(req);

//first time auth with query
if (Object.keys(req.query).length > 0 && req.query.password) {
if (
// @ts-ignore
createHash('sha256').update(req.query.password).digest('hex') ===
hoursPasswordHash
passwordHash
) {
//save password in signed cookie
res.cookie('password', req.query.password, {
res.cookie(cookieName, req.query.password, {
signed: true,
});

//go home timmy
res.redirect('/hours/home');
res.redirect(successRedirect);
} else {
//clear invalid query
res.redirect('/hours');
res.redirect(failRedirect);
}
}

//cashed auth with cookie
else if (
req?.signedCookies?.password &&
createHash('sha256').update(req.signedCookies.password).digest('hex') ===
hoursPasswordHash
req?.signedCookies?.[cookieName] &&
createHash('sha256').update(req.signedCookies[cookieName]).digest('hex') ===
passwordHash
) {
if (req.baseUrl === '/hours') {
if (!isAdmin && req.baseUrl === '/hours') {
//go home timmy
res.redirect('/hours/home');
res.redirect(successRedirect);
} else {
//let the king pass
next();
Expand All @@ -48,16 +64,16 @@ function hashCheckMiddleware(req, res, next) {
//invalid auth
else {
//remove invalid cookie
res.clearCookie('password', {
res.clearCookie(cookieName, {
signed: true,
});

if (req.baseUrl === '/hours') {
if (req.baseUrl === '/hours' && !isAdmin) {
//let the peasant pass
next();
} else {
//send to get auth
res.redirect('/hours');
res.redirect(failRedirect);
}
}
}
Expand Down
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