解析获取优酷视频真实下载地址的PHP源代码

复制代码 代码如下:

<?php

//–调用方法/demo.php?url=/d/file/titlepic/y404 />
echo getyoukuflv($_get[‘url’]);

function getyoukuflv($url){

preg_match(“#id_(.*?)\.html#”,$url,$out);

$id=工作总结格式$out[1];

$content=get_curl_contents(‘/d/file/titlepic/0d2wimqaal />
$data=json_decode($content);

foreach($data->data[0]->streamfileids as $k=>$v){

$sid=getsid();

$fileid=getfileid($v,$data->data[0]->ed);

$one=($data->data[0]->gs->$k);

if($k == ‘flv’ || $k == ‘mp4’) return “http://f.youku.com/player/getflvpath/sid/{$sid}_00/st/{$k}/fileid/{$fileid}?k={$one[0]->k}”;

continue;

}

}

function get_curl_contents($url, $cond = 5){

if(!function_exists(&八年级数学教学反思#8216;curl_init’)) die(‘php.ini未开启php_curl.dll’);

$c = curl_init();

curl_topt($c,curlopt_url,$url);

$uragent=$_rver[‘http_ur_agent’];

curl_topt($c,curlopt_uragent,$uragent);

curl_topt($c,curlopt_header,0);

curl_topt($c,curlopt_timeout,$cond);

curl_topt($c,curlopt_returntransfer, true);

$cnt = curl_exec($c);

$cnt=mb_check_encoding($cnt,’utf-8′)?iconv(‘五一图片2021新图片gbk’,’utf-8//ignore’,$cnt):$cnt; //字符编码转换

curl_clo($c);

return $cnt;

}

function getsid() {

$sid = time().(rand(0,9000)+10000);

return $sid;

}

function getkey($key1,$key2){

$a = hexdec($key1);

$b = $a ^ 0xa55aa5a5;

$b = dechex($b);

return $key2.$b;

}

function getfileid($fileid,$ed) {

$mixed = getmixstring($ed);

$ids = explode(“*”,$fileid);

unt($ids[count($ids)-1]);

$realid = “”;

for ($i=0;$i < 阅兵仪式作文count($ids);++$i) {

$idx = $ids[$i];

$realid .= substr($mixed,$idx,1);

}

return $realid;

}

function getmixstring($ed) {

$mixed = “”;

$source = “abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz/\\:._-1234567890”;

$len = strlen($sourc汤天奇e);

for($i=0;$i< $len;++$i){

$ed = ($ed * 211 + 30031) % 65536;

$index = ($ed / 65536 * strlen($source));

$c = substr($source,$index,1);

$mixed .= $c;

$source = str_replace($c, “”,$source);

}

return $mixed;

}

?>