Free CORS proxy for everyone

.gitignore

*.log
.pnp*
node_modules
coverage
.nyc_output
dist
lib
bin
*.tgz
tmp
.DS_Store
thumbs.db

README.md

xors

Free CORS proxy for everyone.

Usage: https://xors.herokuapp.com/https://api.github.com/

• No size limitation
• Support most common methods: GET, HEAD, POST, PUT, PATCH and DELETE

package.json

{
  "name": "xors",
  "version": "0.0.1",
  "main": "server.js",
  "license": "Unlicense",
  "dependencies": {
    "cors": "^2.8.5",
    "express": "^4.16.4",
    "node-fetch": "^2.3.0"
  }
}

server.js

const express = require('express')
const cors = require('cors')
const fetch = require('node-fetch')

const toObject = it =>
  Object.assign(...Array.from(
    it.entries(),
    ([key, value]) => ({[key]: value})
  ))

const app = express()

app.use(cors({origin: true}))
app.use(/\/http.+/, (req, res, next) => {
  const url = decodeURIComponent(req.originalUrl.slice(1))

  const init = {
    method: req.method,
    headers: req.headers,
    ...(/head|get/i.test(req.method)? {}: {body: req})
  }
  fetch(url, init)
  .then(result => {
    res.status(result.status)
    res.set(toObject(result.headers))
    result.body.pipe(res)
  })
  .catch(e => {
    console.log(e)
    res.status(502).json(e)
  })
})

app.listen(process.env.PORT)