✨ Adds Netlify support for proxying CORS requests

netlify.toml

@@ -27,6 +27,11 @@
   to = "/.netlify/functions/not-supported"
   status = 301
   force = true
+[[redirects]]
+  from = "/cors-proxy"
+  to = "/.netlify/functions/netlify-cors"
+  status = 301
+  force = true
   
 # For router history mode, ensure pages land on index
 [[redirects]]
@@ -40,3 +45,4 @@
   [headers.values]
   # Uncomment to enable Netlify user control. You must have a paid plan.
   # Basic-Auth = "someuser:somepassword anotheruser:anotherpassword"
+

services/serverless-functions/netlify-cors.js

@@ -0,0 +1,42 @@
+/* A Netlify cloud function to handle requests to CORS-disabled services */
+const axios = require('axios');
+
+exports.handler = (event, context, callback) => {
+  // Get URL from header or GET param
+  const requestUrl = event.queryStringParameters.url
+    || event.headers['Target-URL']
+    || event.headers['target-url'];
+
+  // If URL missing, return error
+  if (!requestUrl) {
+    callback(null, {
+      statusCode: 400,
+      body: JSON.stringify({ success: false, msg: 'Missing Target-URL header' }),
+    });
+  }
+
+  // Prepare request
+  const requestConfig = {
+    method: 'GET',
+    url: requestUrl,
+    json: event.body,
+  };
+
+  // Response headers
+  const headers = {
+    'Access-Control-Allow-Origin': '*',
+    ...event.headers,
+  };
+
+  // Make request
+  axios.request(requestConfig)
+    .then((response) => {
+      const body = JSON.stringify(response.data);
+      callback(null, { statusCode: 200, body, headers });
+    }).catch((error) => {
+      callback(null, {
+        statusCode: 400,
+        body: JSON.stringify({ success: false, msg: 'Request failed', error }),
+      });
+    });
+};