24 lines
666 B
JavaScript
24 lines
666 B
JavaScript
const jwt = require('jsonwebtoken');
|
|
const { allowedOrigins } = require('../../../config/cors-settings');
|
|
const { homeLocation } = require('../../../config/env.json');
|
|
|
|
function getReturnTo(encryptedReturnTo, secret) {
|
|
let returnTo;
|
|
let success = false;
|
|
try {
|
|
returnTo = jwt.verify(encryptedReturnTo, secret).returnTo;
|
|
// we add the '/' to prevent returns to
|
|
// www.freecodecamp.org.somewhere.else.com
|
|
if (!allowedOrigins.some(origin => returnTo.startsWith(origin + '/'))) {
|
|
throw Error();
|
|
}
|
|
success = true;
|
|
} catch {
|
|
returnTo = `${homeLocation}/learn`;
|
|
}
|
|
|
|
return { returnTo, success };
|
|
}
|
|
|
|
module.exports = getReturnTo;
|