get download link from nhaccuatui - lamdt@familug.org

url.php

<?
// Get arg
$arguments = getopt("h::u:d::");
// For help
if(isset($arguments['h']) or empty($arguments))
{
	$html = "Options: \n\r
	-h: \t Help \n\r
	-u: \t Nhaccuatui URL \n\r 
	--d: \t Enable download \n\r
	Ex: php url.php -u http://www.nhaccuatui.com/bai-hat/our-same-word-orchestra-ver-yiruma.U6_h_PbuBH.html -l /home/lamdt/Music -d\n\r";

	echo $html; exit(0);
}
// Get url from arg
$url = $arguments['u'];
// validate url
if(preg_match("#^http://www.nhaccuatui.com.+#", $url) and filter_var($url, FILTER_VALIDATE_URL))
{
	// IF url is valid
	// get key of this song
	$ex =  explode('.', $url);
	$song_key = $ex[count($ex) - 2];

	// get content from api
	$api_result = file_get_contents("http://www.nhaccuatui.com/download/song/$song_key");

	$r = json_decode($api_result);

	if($r == null)
	{
		echo "Could not connect nhaccuatui";
		exit(0);
	}

	// check error_code
	if($r->error_code != 0)
	{
		echo "ERROR: ".$r->error_message;
		exit(0);
	}
	// get download link
	$link = $r->data->stream_url;
	
	echo "
	Download Link:
	\n\r
	".$link."
	\n\r
	=====================================\n\r";
	
	// if download enable
	if(isset($arguments['d']))
	{
		echo "Download start..................";
		$d1 = exec("wget $link");
		echo $d1;
	}
}
else
{
	echo "Only for http://www.nhaccuatui.com/";
}
echo "\n\r";
?>