new config params and using them in middleware

lib/cartodb/middleware/rate-limit.js

@@ -5,23 +5,26 @@ const REDIS_DB = 8;
 const RATE_LIMIT_ENDPOINTS_GROUPS = {
     ENDPOINT_1: 'anonymous',
     ENDPOINT_2: 'static',
-    ENDPOINT_3: 'static-named',
+    ENDPOINT_3: 'staticNamed',
     ENDPOINT_5: 'dataview',
-    ENDPOINT_6: 'dataview-search',
+    ENDPOINT_6: 'dataviewSearch',
     ENDPOINT_7: 'analysis',
     ENDPOINT_8: 'tile',
     ENDPOINT_9: 'attributes',
-    ENDPOINT_10: 'named-list',
-    ENDPOINT_11: 'named-create',
-    ENDPOINT_12: 'named-get',
+    ENDPOINT_10: 'namedList',
+    ENDPOINT_11: 'namedCreate',
+    ENDPOINT_12: 'namedGet',
     ENDPOINT_13: 'named',
-    ENDPOINT_14: 'named-update',
-    ENDPOINT_15: 'named-delete',
-    ENDPOINT_17: 'named-tiles'
+    ENDPOINT_14: 'namedUpdate',
+    ENDPOINT_15: 'namedDelete',
+    ENDPOINT_17: 'namedTiles'
 };
 
 function rateLimitMiddleware(metadataBackend, endpointGroup = null) {
     return function rateLimit(req, res, next) {
+        if (!global.environment.enabledFeatures.rateLimitsEnabled) {
+            return next();
+        }
 
         const user = 'cdb';
         // const user = res.locals.user;
@@ -29,6 +32,10 @@ function rateLimitMiddleware(metadataBackend, endpointGroup = null) {
             endpointGroup = getEndpointGroup();
         }
 
+        if (!endpointGroup || !isRateLimitEnabledByEndpoint(endpointGroup)) {
+            return next();
+        }
+
         const redisParams = [
             getLuaScript(),
             2,
@@ -117,6 +124,10 @@ function getLuaScript() {
     `;
 }
 
+function isRateLimitEnabledByEndpoint(endpointGroup) {
+    return global.environment.enabledFeatures.rateLimitsByEndpoint[endpointGroup] === true;
+}
+
 module.exports.rateLimitMiddleware = rateLimitMiddleware;
 module.exports.RATE_LIMIT_ENDPOINTS_GROUPS = RATE_LIMIT_ENDPOINTS_GROUPS;
 module.exports.getStoreKey = getStoreKey;