pin to mapnik 2.0, enable passing style via url

lib/cartodb/cartodb_windshaft.js

@@ -2,16 +2,15 @@
 var _ = require('underscore')
     , Step       = require('step')
     , Windshaft = require('windshaft')
-    , Cache = require('./cache_validator')
+    , Cache = require('./cache_validator');
 
 var CartodbWindshaft = function(serverOptions) {
 
     // set the cache chanel info to invalidate the cache on the frontend server
     serverOptions.afterTileRender = function(req, res, tile, headers, callback) {
         res.header('X-Cache-Channel', req.params.dbname);
-        // note - may not be invalidating properly
         res.header('Last-Modified', new Date().toUTCString());
-        res.header('Cache-Control', 'no-cache,max-age=3600,must-revalidate, public');
+        res.header('Cache-Control', 'no-cache,max-age=86400,must-revalidate, public');
         callback(null, tile, headers);
     };
 

lib/cartodb/server_options.js

@@ -22,7 +22,7 @@ module.exports = function(){
 me.req2params = function(req, callback){
 
     // Whitelist query parameters and attach format
-    var good_query = ['sql', 'geom_type', 'cache_buster','callback', 'interactivity', 'map_key'];
+    var good_query = ['sql', 'geom_type', 'cache_buster','callback', 'interactivity', 'map_key', 'style'];
     var bad_query  = _.difference(_.keys(req.query), good_query);
 
     _.each(bad_query, function(key){ delete req.query[key]; });

package.json

@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "windshaft-cartodb",
-    "version": "0.0.1",
+    "version": "0.1.0",
     "description": "A map tile server for CartoDB",
     "url": "https://github.com/Vizzuality/Windshaft-cartodb",
     "licenses": [{ "type": "Copyright Vizzuality" }],
@@ -16,7 +16,7 @@
     },
     "dependencies": {
         "underscore"  : "1.1.x",
-        "windshaft"  : "0.3.2",
+        "windshaft"  : "0.4.1",
         "step": "0.0.x",
         "generic-pool": "1.0.x",
         "redis": "0.6.7",