webhook.php

webhook.php

<?php
	$LOG_FILE = dirname(__FILE__).'/hook.log';
	$SECRET_KEY = '< secret key >';
	$GIT_PATH = "< git repository path >";

	$payload = file_get_contents("php://input");

	if ( $_SERVER['HTTP_X_HUB_SIGNATURE'] === "sha1=".hash_hmac('sha1', $payload, $SECRET_KEY) ) {
		$payload = json_decode($payload, true);
		if ($payload['ref'] === 'refs/heads/master') {
			`cd $GIT_PATH; git pull origin master`;
			file_put_contents($LOG_FILE, date("[Y-m-d H:i:s]")." ".$_SERVER['REMOTE_ADDR']." git pulled: ".$payload['head_commit']['message']."\n", FILE_APPEND|LOCK_EX);
			echo "success!\n";
		}
	}
	else {
		header('HTTP', true, 500);
		file_put_contents($LOG_FILE, date("[Y-m-d H:i:s]")." invalid access: ".$_SERVER['REMOTE_ADDR']."\n", FILE_APPEND|LOCK_EX);
	}

?>