Windshaft-cartodb/lib/api/middlewares/layergroup-token.js
2019-10-07 09:40:50 +02:00

31 lines
1004 B
JavaScript

'use strict';
const LayergroupToken = require('../../models/layergroup-token');
const authErrorMessageTemplate = function (signer, user) {
return `Cannot use map signature of user "${signer}" on db of user "${user}"`;
};
module.exports = function layergroupToken () {
return function layergroupTokenMiddleware (req, res, next) {
const user = res.locals.user;
const layergroupToken = LayergroupToken.parse(req.params.token);
res.locals.token = layergroupToken.token;
res.locals.cache_buster = layergroupToken.cacheBuster;
if (layergroupToken.signer) {
res.locals.signer = layergroupToken.signer;
if (res.locals.signer !== user) {
const err = new Error(authErrorMessageTemplate(res.locals.signer, user));
err.type = 'auth';
err.http_status = (req.query && req.query.callback) ? 200: 403;
return next(err);
}
}
return next();
};
};