igorw/README.md Secret

## README.md

      
    Raw
  

              README.md
            
          
    API API

a docker-inspired heroku clone in 100 lines of php

php supervisor.php
php -S 127.0.0.1:8080 app.php
git archive --format=zip master > api-api.zip
curl -XPOST 127.0.0.1:8080/api/api -F file='@api-api.zip'


## app.php
<?php

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Process\Process;

require 'vendor/autoload.php';

$app = new Silex\Application();

$app['debug'] = true;

$app->get('/', function () {
    return <<<HTML
<!DOCTYPE html>
<html>
<head>
    <title>API API</title>
</head>
<body>

<h1>API API</h1>

<p>This is an API for creating APIs. Just send a
<code>POST</code> request to /api/api with a zip
file attached containing your code under the form
key <code>file</code>.</p>

<p>We will then run your API!</p>

</body>
</html>
HTML;
});

$app->post('/api/api', function (Request $request) use ($app) {
    $appId = hash('sha1', randomBytes(512));
    $appDir = __DIR__.'/tmp/'.$appId;

    if (!$request->files->has('file')) {
        return $app->json(['error' => 'missing file'], 412);
    }

    if (!is_dir($appDir)) {
        mkdir($appDir, 0755, true);
    }

    $file = $request->files->get('file');
    $file->move($appDir, '__upload.zip');
    run($appDir, cmd('unzip %s', '__upload.zip'));
    run($appDir, cmd('rm %s', '__upload.zip'));
    run($appDir, cmd('wget %s', 'https://getcomposer.org/composer.phar'));
    run($appDir, cmd('php %s/composer.phar install', $appDir));

    $port = 8080;
    do {
        $port++;
        $process = run(null, cmd('nc -z 127.0.0.1 %s', $port));
    } while ($process->isSuccessful());

    background($appDir, cmd('php -S %s app.php', '127.0.0.1:'.$port));

    return $app->json([
        'id' => $appId,
        'port' => $port,
    ]);
});

$app->run();

function randomBytes($n) {
    $fd = fopen('/dev/urandom', 'r');
    $bytes = fread($fd, $n);
    fclose($fd);
    return $bytes;
}

function run($cwd, $cmd) {
    $process = new Process($cmd, $cwd);
    $process->run();

    return $process;
}

function background($cwd, $cmd) {
    $client = stream_socket_client('unix://supervisor.ipc', $errno, $errstr);
    if (!$client) {
        throw new Exception($errstr, $errno);
    }
    $data = [
        'cmd' => $cmd,
        'cwd' => $cwd,
    ];
    fwrite($client, json_encode($data));
}

function cmd($cmd, ...$args) {
    return vsprintf($cmd, array_map('escapeshellarg', $args));
}

## composer.json
{
    "require": {
        "silex/silex": "^1.0",
        "symfony/process": "^3.0"
    }
}

## supervisor.php
<?php

use Symfony\Component\Process\Process;

require 'vendor/autoload.php';

$server = stream_socket_server('unix://supervisor.ipc', $errno, $errstr);
if (!$server) {
    throw new Exception($errstr, $errno);
}

while ($conn = stream_socket_accept($server, -1)) {
    $request = stream_get_line($conn, 1024);
    $data = json_decode($request, true);

    echo $data['cmd']."\n";

    $process = new Process($data['cmd'], $data['cwd']);
    $process->start();

    fclose($conn);
}
fclose($server);
	<?php

	use Symfony\Component\HttpFoundation\Request;
	use Symfony\Component\Process\Process;

	require 'vendor/autoload.php';

	$app = new Silex\Application();

	$app['debug'] = true;

	$app->get('/', function () {
	return <<<HTML
	<!DOCTYPE html>
	<html>
	<head>
	<title>API API</title>
	</head>
	<body>

	<h1>API API</h1>

	<p>This is an API for creating APIs. Just send a
	<code>POST</code> request to /api/api with a zip
	file attached containing your code under the form
	key <code>file</code>.</p>

	<p>We will then run your API!</p>

	</body>
	</html>
	HTML;
	});

	$app->post('/api/api', function (Request $request) use ($app) {
	$appId = hash('sha1', randomBytes(512));
	$appDir = __DIR__.'/tmp/'.$appId;

	if (!$request->files->has('file')) {
	return $app->json(['error' => 'missing file'], 412);
	}

	if (!is_dir($appDir)) {
	mkdir($appDir, 0755, true);
	}

	$file = $request->files->get('file');
	$file->move($appDir, '__upload.zip');
	run($appDir, cmd('unzip %s', '__upload.zip'));
	run($appDir, cmd('rm %s', '__upload.zip'));
	run($appDir, cmd('wget %s', 'https://getcomposer.org/composer.phar'));
	run($appDir, cmd('php %s/composer.phar install', $appDir));

	$port = 8080;
	do {
	$port++;
	$process = run(null, cmd('nc -z 127.0.0.1 %s', $port));
	} while ($process->isSuccessful());

	background($appDir, cmd('php -S %s app.php', '127.0.0.1:'.$port));

	return $app->json([
	'id' => $appId,
	'port' => $port,
	]);
	});

	$app->run();

	function randomBytes($n) {
	$fd = fopen('/dev/urandom', 'r');
	$bytes = fread($fd, $n);
	fclose($fd);
	return $bytes;
	}

	function run($cwd, $cmd) {
	$process = new Process($cmd, $cwd);
	$process->run();

	return $process;
	}

	function background($cwd, $cmd) {
	$client = stream_socket_client('unix://supervisor.ipc', $errno, $errstr);
	if (!$client) {
	throw new Exception($errstr, $errno);
	}
	$data = [
	'cmd' => $cmd,
	'cwd' => $cwd,
	];
	fwrite($client, json_encode($data));
	}

	function cmd($cmd, ...$args) {
	return vsprintf($cmd, array_map('escapeshellarg', $args));
	}
	{
	"require": {
	"silex/silex": "^1.0",
	"symfony/process": "^3.0"
	}
	}