From a2be11558dcae3f6ef6c309082198a70b86e7265 Mon Sep 17 00:00:00 2001
From: Claudio Chimera <Claudio.Chimera@gmail.com>
Date: Sat, 13 Jul 2024 21:29:55 +0200
Subject: [PATCH] Optional Rate Limit

---
 alexa/alexa-adapter.html |  2 +-
 alexa/alexa-adapter.js   | 18 ++++++++++--------
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/alexa/alexa-adapter.html b/alexa/alexa-adapter.html
index 394ea36..fda7616 100644
--- a/alexa/alexa-adapter.html
+++ b/alexa/alexa-adapter.html
@@ -22,7 +22,7 @@
                 }
             },
             rate_limit: {
-                value: 60, required: false, validate: function (v) {
+                value: '', required: false, validate: function (v) {
                     if (v === undefined || v.trim().length === 0) return true;
                     const n = parseInt(v);
                     const f = parseFloat(v);
diff --git a/alexa/alexa-adapter.js b/alexa/alexa-adapter.js
index 7b516ba..c2c3a80 100644
--- a/alexa/alexa-adapter.js
+++ b/alexa/alexa-adapter.js
@@ -143,7 +143,7 @@ module.exports = function (RED) {
             node.http_path = node.usehttpnoderoot ? node.Path_join(node.httpNodeRoot, config.http_path || '') : config.http_path || '';
             node.http_port = config.port || '';
             node.https_server = config.https_server || false;
-            node.rate_limit = parseInt(config.rate_limit || 60);
+            node.rate_limit = parseInt(config.rate_limit || '0');
             node.http_root = node.Path_join('/', node.http_path.trim());
             node.http_server = null;
             node.user_dir = RED.settings.userDir || '.';
@@ -263,13 +263,15 @@ module.exports = function (RED) {
             if (node.verbose) node._debug("startServer port " + node.http_port + " rate limit " + node.rate_limit);
             const app = express();
             app.disable('x-powered-by');
-            const rateLimitMiddleware = expressRateLimit({
-                windowMs: 60 * 1000,
-                max: node.rate_limit,
-                message: `You have exceeded your ${node.rate_limit} requests per minute limit.`,
-                headers: true,
-              });
-            app.use(rateLimitMiddleware);
+            if (node.rate_limit > 0) {
+                const rateLimitMiddleware = expressRateLimit({
+                    windowMs: 60 * 1000,
+                    max: node.rate_limit,
+                    message: `You have exceeded your ${node.rate_limit} requests per minute limit.`,
+                    headers: true,
+                });
+                app.use(rateLimitMiddleware);
+            }
             app.use(helmet());
             app.use(cors());
             app.use(morgan('dev'));