Re init git

website/api/index.js

@@ -0,0 +1,88 @@
+const port = process.env.PORT || 3000
+const express = require('express')
+const AbortController = require('abort-controller')
+const { Resolver } = require('dns').promises
+const resolver = new Resolver()
+var app = express()
+app.use(express.json())
+// const cors = require("cors");
+// app.use(
+//   cors({
+//     allowedHeaders: ["sessionId", "Content-Type"],
+//     exposedHeaders: ["sessionId"],
+//     origin: "*",
+//     methods: "GET,HEAD,PUT,PATCH,POST,DELETE",
+//     preflightContinue: false
+//   })
+// );
+
+app.get('/api', function (req, res) {
+  res.json({
+    hello: 'world'
+  })
+})
+
+resolver.setServers(['159.69.198.101', '108.61.201.119'])
+
+app.get('/api/:domainName', function (req, res) {
+  let controller = new AbortController()
+  let signal = controller.signal
+  let timeout = 3000
+
+  function myTimer () {
+    timeout = setTimeout(() => {
+      controller.abort()
+      res.json({
+        status: 'timeout'
+      })
+    }, timeout)
+  }
+  myTimer()
+  resolver
+    .resolve(`${req.params.domainName}`)
+    .then(addresses => {
+      // console.log(addresses)
+      clearTimeout(timeout)
+
+      let ip = addresses[0].toString()
+      if ((ip == '0.0.0.0' && ip != null) || undefined) {
+        res.json({
+          status: 'failed'
+        })
+      } else {
+        res.json({
+          status: 'ok'
+        })
+      }
+    })
+    .catch(error => {
+      if (
+        error.code === 'NOTFOUND' ||
+        error.code === 'SERVFAIL' ||
+        error.code === 'REFUSED'
+      ) {
+        clearTimeout(timeout)
+        res.json({
+          status: 'failed'
+        })
+      } else if (error.code === 'TIMEOUT') {
+        clearTimeout(timeout)
+        res.json({
+          status: 'timeout'
+        })
+      } else if (
+        error.code === 'ENOTFOUND' ||
+        error.code === 'NXDOMAIN' ||
+        error.code === 'NOTIMP'
+      ) {
+        clearTimeout(timeout)
+        res.json({
+          status: 'failed'
+        })
+      }
+    })
+})
+app.listen(port, err => {
+  if (err) throw err
+  console.log(`Server ready on port ${port}`)
+})