MarkTiedemann/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Poor Man's CGI with Node
$ chmod +x script.sh
$ node server.js &
$ curl localhost -d hello
<!DOCTYPE html>
<pre>
POST / HTTP/1.1
Host: localhost
User-Agent: curl/7.54.0
Accept: */*
Content-Length: 5
Content-Type: application/x-www-form-urlencoded

hello
</pre>

  
## script.sh
#!/bin/bash
echo "<!DOCTYPE html>
<pre>
$method $url HTTP/$http_version_major.$http_version_minor
$(while read -r key val; do echo "$key: $val"; done <<< "$headers")

$(while read -r line; do echo "$line"; done)
</pre>"

## server.js
const http = require("http")
const child_process = require("child_process")

http.createServer(function(req, res) {
    let env = {
        method: req.method,
        url: req.url,
        http_version_major: req.httpVersionMajor,
        http_version_minor: req.httpVersionMinor,
        headers: (function() {
            let headers = []
            for (let i = 0; i < req.rawHeaders.length; i++)
                headers.push(req.rawHeaders[i] + " " + req.rawHeaders[++i])
            return headers.join("\n")
        })()
    }
    let child = child_process.spawn("./script.sh", { env })
    req.pipe(child.stdin)
    req.prependOnceListener("end", function() { child.stdin.write("\n") })
    child.stdout.pipe(res)
}).listen(80)
	#!/bin/bash
	echo "<!DOCTYPE html>
	<pre>
	$method $url HTTP/$http_version_major.$http_version_minor
	$(while read -r key val; do echo "$key: $val"; done <<< "$headers")

	$(while read -r line; do echo "$line"; done)
	</pre>"
	const http = require("http")
	const child_process = require("child_process")

	http.createServer(function(req, res) {
	let env = {
	method: req.method,
	url: req.url,
	http_version_major: req.httpVersionMajor,
	http_version_minor: req.httpVersionMinor,
	headers: (function() {
	let headers = []
	for (let i = 0; i < req.rawHeaders.length; i++)
	headers.push(req.rawHeaders[i] + " " + req.rawHeaders[++i])
	return headers.join("\n")
	})()
	}
	let child = child_process.spawn("./script.sh", { env })
	req.pipe(child.stdin)
	req.prependOnceListener("end", function() { child.stdin.write("\n") })
	child.stdout.pipe(res)
	}).listen(80)