init

index.js

@@ -0,0 +1,42 @@
+const express = require('express')
+var fs = require("fs");
+var syncRequest = require("sync-request");
+const app = express()
+const port = 5243
+
+app.get('/', (req, res) => {
+  res.send('Hello!!!')
+})
+
+
+app.post("/track", function (req, res) {
+    var updateFile = function (response, body, path) {
+        if (body.status == 2)
+        {
+            var file = syncRequest("GET", body.url);
+            fs.writeFileSync(path, file.getBody());
+        }
+        response.write("{\"error\":0}");
+        response.end();
+    }
+    var readbody = function (request, response, path) {
+        var content = "";
+        request.on("data", function (data) {
+            content += data;
+        });
+        request.on("end", function () {
+            var body = JSON.parse(content);
+            updateFile(response, body, path);
+        });
+    }
+    if (req.body.hasOwnProperty("status")) {
+         updateFile(res, req.body, req.query.path);
+    } else {
+        readbody(req, res, req.query.path)
+    }
+});
+
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})

package.json

@@ -0,0 +1,16 @@
+{
+  "name": "callbak",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "serve": "node index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.18.2",
+    "sync-request": "^6.1.0"
+  }
+}