moving layergroup-token middleware to middlewarify style

lib/cartodb/middleware/context/index.js

@@ -1,12 +1,12 @@
 const cleanUpQueryParams = require('./clean-up-query-params');
-const parseTokenParam = require('./parse-token-param');
+const layergroupToken = require('./layergroup-token');
 const authorize = require('./authorize');
 const dbConnSetup = require('./db-conn-setup');
 
 module.exports = function prepareContextMiddleware(authApi, pgConnection) {
     return [
         cleanUpQueryParams(),
-        parseTokenParam(),
+        layergroupToken,
         authorize(authApi),
         dbConnSetup(pgConnection)
     ];

lib/cartodb/middleware/context/layergroup-token.js

@@ -1,4 +1,4 @@
-var LayergroupToken = require('../models/layergroup-token');
+var LayergroupToken = require('../../models/layergroup-token');
 
 module.exports = function layergroupTokenMiddleware(req, res, next) {
     if (!req.params.hasOwnProperty('token')) {
@@ -16,18 +16,15 @@ module.exports = function layergroupTokenMiddleware(req, res, next) {
         if (!req.params.signer) {
             req.params.signer = user;
         } else if (req.params.signer !== user) {
-            var statusCode = 403;
+            var err = new Error(`Cannot use map signature of user "${req.params.signer}" on db of user "${user}"`);
+            err.type = 'auth';
+            err.http_status = 403;
             if (req.query && req.query.callback) {
-                statusCode = 200;
+                err.http_status = 200;
             }
-            var errorMessage = `Cannot use map signature of user "${req.params.signer}" on db of user "{${user}"`;
-            return res.status(statusCode).json({
-                errors: [errorMessage],
-                errors_with_context: [{
-                    type: 'auth',
-                    message: errorMessage
-                }]
-            });
+            
+            req.profiler.done('req2params');
+            return next(err);
         }
     }
 

test/acceptance/ported/support/ported_server_options.js

@@ -1,6 +1,7 @@
 var _ = require('underscore');
 var serverOptions = require('../../../../lib/cartodb/server_options');
 var mapnik = require('windshaft').mapnik;
+var LayergroupToken = require('../../../../lib/cartodb/models/layergroup-token');
 var OverviewsQueryRewriter = require('../../../../lib/cartodb/utils/overviews_query_rewriter');
 var overviewsQueryRewriter = new OverviewsQueryRewriter({
   zoom_level: 'CDB_ZoomFromScale(!scale_denominator!)'
@@ -56,11 +57,9 @@ module.exports = _.extend({}, serverOptions, {
         // this is in case you want to test sql parameters eg ...png?sql=select * from my_table limit 10
         req.params =  _.extend({}, req.params);
 
-        // We don't want to inherit Date.now() `cache_buster` as it is the default value
-        // introduced by the middleware when no cache buster is found.
-        // We are only interested in the `token` for the ported tests.
-        delete req.params.cache_buster;
-        delete req.params.signer;
+        if (req.params.token) {
+            req.params.token = LayergroupToken.parse(req.params.token).token;
+        }
 
         _.extend(req.params, req.query);
         req.params.user = 'localhost';