added proxy URL generation feature

src/routes/generate.js

@@ -0,0 +1,19 @@
+const express = require("express");
+const router = express.Router();
+const { base64encode } = require("nodejs-base64");
+
+var Url2 = require("url-parse");
+var http = require("http");
+var https = require("https");
+
+router.get("/proxyURL", async (req, res) => {
+  const baseURL = req.protocol + "://" + req.headers.host + "/";
+  var parts = new URL(req.url, baseURL);
+  var encodedImageUrl = parts.searchParams.get("url");
+  var imageUrl = base64encode(encodedImageUrl);
+  
+  var proxyURL = baseURL + "fetch/image?key=" + imageUrl;
+  res.json({proxyURL:proxyURL});  
+});
+
+module.exports = router;

src/routes/index.js

@@ -13,5 +13,6 @@ router.get("/", (req, res) => {
 });
 
 router.use("/fetch", require("./fetch"));
+router.use("/generate", require("./generate"));
 
 module.exports = router;