updated cors-proxy to use given env variables

index.mjs

@@ -0,0 +1,39 @@
+import cors_proxy from 'cors-anywhere'
+import {env} from 'process'
+
+let HOST = env.HOST || 'localhost'
+let PORT = env.PORT || 1337
+let USER = env.USER || ''
+let PW = env.PW || ''
+
+const token = USER !== "" && PW !== ""
+  ? btoa(unescape(encodeURIComponent(USER + ':' + PW)))
+  : ""
+
+const headers = {}
+if (token !== "")
+  headers.Authorization = `Basic ${token}`
+
+cors_proxy
+  .createServer({
+    originWhitelist: [], // allow all origins
+    requireHeader: ['origin', 'x-requested-with'],
+    setHeaders: headers,
+    removeHeaders: [
+      'cookie',
+      'cookie2',
+      'x-request-start',
+      'x-request-id',
+      'via',
+      'connect-time',
+      'total-route-time',
+    ],
+    redirectSameOrigin: true,
+    httpProxyOptions: {
+      // Do not add X-Forwarded-For, etc. headers, because Heroku already adds it.
+      xfwd: false,
+    },
+  })
+  .listen(PORT, HOST, () => {
+    console.log(`Running CORS Anywhere on 'http://${HOST}:${PORT}/'`)
+  })