优酷m3u8解析

<?php
header('Content-Type:text/plain');
function yk_e($a, $c){
    for ($f=0, $i, $e='', $h=0; 256 > $h; $h++) {
    $b[$h]=$h;
    }
    for ($h=0; 256 > $h; $h++) {
    $f=(($f + $b[$h]) + charCodeAt($a, $h % strlen($a))) % 256;
    $i=$b[$h];
    $b[$h]=$b[$f];
    $b[$f]=$i;
    }
    for ($q=($f=($h=0)); $q < strlen($c); $q++) {
    $h=($h + 1) % 256;
    $f=($f + $b[$h]) % 256;
    $i=$b[$h];
    $b[$h]=$b[$f];
    $b[$f]=$i;
    $e .= fromCharCode(charCodeAt($c, $q) ^ $b[($b[$h] + $b[$f]) % 256]);
    }
    return $e;
}
    
function fromCharCode($codes){
    if (is_scalar($codes)) {
    $codes=func_get_args();
    }
    $str='';
    foreach ($codes as $code) {
    $str .= chr($code);
    }
    return $str;
}
function charCodeAt($str, $index){
    $charCode=array();
    $key=md5($str);
    $index=$index + 1;
    if (isset($charCode[$key])) {
    return $charCode[$key][$index];
    }
    $charCode[$key]=unpack('C*', $str);
    return $charCode[$key][$index];
}
function charAt($str, $index=0){
    return substr($str, $index, 1);
}

$url=!empty($_GET['url'])?$_GET['url']:'';
$url.=!empty($_POST['url'])?$_POST['url']:'';
if(!empty($url)){
    preg_match('#v_show/id_(.*?)\.html#i',$url,$matches);    
    $vid=$matches[1];
    $utid='7RFdEcq17HsCAbfRhAjhY4m5';
    $link='http://ups.youku.com/ups/get.json?vid='.$vid.'&ccode=0401&client_ip=192.168.1.1&utid='.$utid.'&client_ts='.time();;
    $curl=curl_init();
    curl_setopt($curl,CURLOPT_URL,$link);
    curl_setopt($curl,CURLOPT_TIMEOUT,10);
    curl_setopt($curl,CURLOPT_HEADER,0);
    curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);
    $retval=curl_exec($curl);
    curl_close($curl);
    
    if(!empty($retval)){
        $rs=json_decode($retval, true);
        $stream=$rs['data']['stream'];
        if (!empty($stream)&&count($stream)>0){
            $final_url=$stream[0]['m3u8_url'];
            $arr = array ('msg'=>'ok','url'=>$final_url,'ext'=>'m3u8','link'=>$link);
            echo json_encode($arr);
        } else
            echo '1';
    } else
        echo '2';
} else
    echo '3';
?>

此代码只实现了非VIP用户的m3u8解析，VIP解析将后续跟上