get-facebook-video-url.php

<?php
  header('Access-Control-Allow-Origin: http://www.alhazen.co', false);
	
	if(!(strpos($_SERVER["HTTP_REFERER"], "http://www.alhazen.co") !== false))
	{
		echo "Why so curious?";
		exit;
	}
	sleep(2);
	$id = $_POST['id'];
	if(!is_numeric($id)) {
		echo "Bad FB id"; 
		return;
	}
	function getData($id)
	{
		$token = YOUR_APP_ACCESS_TOKEN;

		$ch = curl_init();
		$timeout = 5;
		curl_setopt($ch, CURLOPT_URL, "https://graph.facebook.com/v2.8/$id?fields=source,title&access_token=$token");
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_HTTPHEADER, 'Content-Type:application/json');
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		$data = curl_exec($ch);
		curl_close($ch);
		return $data;
	}
	echo getData($id);
?>