好东西又来了,通过优酷链接获取优酷真实视频地址

好东西又来了,通过优酷链接获取优酷真实视频地址,需要的朋友可以拿去研究下,已测试过
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/*
返回:
array
'mp4' => string 'http://f.youku.com/player/getFlvPath/sid/138041779515547_00/st/mp4/fileid/03000804005241236C2C5300422C39EBED4FE4-2CCC-71BB-6AC3-59B4332828D7?K=48daa69002023a2a2828f4f1' (length=167)
'flv' => string 'http://f.youku.com/player/getFlvPath/sid/138041779514451_00/st/flv/fileid/030002040052410FA52C5300422C39EBED4FE4-2CCC-71BB-6AC3-59B4332828D7?K=b9c1dfedde4eb5052828f4f1' (length=167)
*/

if(YoukuFlv::getYoukuFlv("http://v.youku.com/v_show/id_XNjEyOTE4NTEy_ev_1.html"))
{
var_dump( YoukuFlv::result() );
}
else
{
echo YoukuFlv::error();
}



/*
获取优酷视频地址
*/
class YoukuFlv{

static private $error = "";
static private $result = array();

static public function getYoukuFlv($url){
//从url获取youkuid
if(! $id = self::getYoukuId($url)){
return false;
}
//获取youku视频详细信息
$content = self::get_curl_contents( "http://v.youku.com/player/getPlayList/VideoIDS/".$id );
$data = json_decode($content);
if(!isset($data->data[0]->streamfileids)){
self::$error = "Cannot find this video";
return false;
}
foreach($data->data[0]->streamfileids AS $k=>$v){
if($k == 'flv' || $k == 'mp4'){
//sid
$sid= self::getSid();
//fileid
$fileid = self::getfileid($v,$data->data[0]->seed);
$one=($data->data[0]->segs->$k);
self::$result[$k] = "http://f.youku.com/player/getFlvPath/sid/{$sid}_00/st/{$k}/fileid/{$fileid}?K={$one[0]->k}";
}
}
if(empty(self::$result)){
self::$error = "THIS VIOD IS NOT IN MP4 OR FLV FORMAT";
return false;
}else{
return true;
}
}
static public function error(){
return self::$error;
}

static public function result(){
return self::$result;
}

static private function getYoukuId($url){
//url 不能为空
if($url == "" || substr($url , 0 , 29) != "http://v.youku.com/v_show/id_"){
self::$error = "URL IS ERROR";
return false;
}
return substr($url , 29 , -5);
}

static private function get_curl_contents($url, $second = 5){
if(!function_exists('curl_init')) die('php.ini未开启php_curl.dll');
$c = curl_init();
curl_setopt($c,CURLOPT_URL,$url);
$UserAgent=$_SERVER['HTTP_USER_AGENT'];
curl_setopt($c,CURLOPT_USERAGENT,$UserAgent);
curl_setopt($c,CURLOPT_HEADER,0);
curl_setopt($c,CURLOPT_TIMEOUT,$second);
curl_setopt($c,CURLOPT_RETURNTRANSFER, true);
$cnt = curl_exec($c);
curl_close($c);
return $cnt;
}
static private function getSid() {
$sid = time().(rand(0,9000)+10000);
return $sid;
}
static private function getfileid($fileId,$seed) {
$mixed = self::getMixString($seed);
$ids = explode("*",$fileId);
unset($ids[count($ids)-1]);
$realId = "";
for ($i=0;$i $idx = $ids[$i];
$realId .= substr($mixed,$idx,1);
}
return $realId;
}
static private function getMixString($seed) {
$mixed = "";
$source = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890";
$len = strlen($source);
for($i=0;$i $seed = ($seed * 211 + 30031) % 65536;
$index = ($seed / 65536 * strlen($source));
$c = substr($source,$index,1);
$mixed .= $c;
$source = str_replace($c, "",$source);
}
return $mixed;
}
}




?>

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