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youku.class.php
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youku.class.php
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<?php
class Youku {
const USER_AGENT = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.116 Safari/537.36";
const REFERER = "http://www.youku.com";
const FORM_ENCODE = "GBK";
const TO_ENCODE = "UTF-8";
private static $base = "http://v.youku.com/player/getPlaylist/VideoIDS/";
private static $source = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890";
private static $sz = '-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1';
private static $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
public static function parse($url){
preg_match("#id\_([\w=]+)#", $url, $matches); //id里可以有=号
if (empty($matches)){
$html = self::_cget($url);
preg_match("#videoId2\s*=\s*\'(\w+)\'#", $html, $matches);
if(!$matches) return false;
}
//根据you vid 获取相应的视频地址
return self::_getYouku(trim($matches[1]));
}
/**
* [_cget curl获取数据]
* @param [type] $url [url地址]
* @param boolean $convert [是否转换编码]
* @param integer $timeout [超时时间]
* @return [type] [description]
*/
public static function _cget($url,$convert=false,$timeout=10){
$ch=curl_init($url);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_TIMEOUT,$timeout);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);
curl_setopt($ch,CURLOPT_USERAGENT,self::USER_AGENT);
curl_setopt($ch,CURLOPT_REFERER,self::REFERER);
curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1); //跟随301跳转
curl_setopt($ch,CURLOPT_AUTOREFERER,1); //自动设置referer
$res=curl_exec($ch);
curl_close($ch);
if($convert){
$res=mb_convert_encoding($res,self::TO_ENCODE,self::FORM_ENCODE);
}
return $res;
}
//start 获得优酷视频需要用到的方法
private static function getSid(){
$sid = time().(mt_rand(0,9000)+10000);
return $sid;
}
private static function getKey($key1,$key2){
$a = hexdec($key1);
$b = $a ^0xA55AA5A5;
$b = dechex($b);
return $key2.$b;
}
private static function getFileid($fileId,$seed){
$mixed = self::getMixString($seed);
$ids = explode("*",rtrim($fileId,'*')); //去掉末尾的*号分割为数组
$realId = "";
for ($i=0;$i<count($ids);$i++){
$idx = $ids[$i];
$realId .= substr($mixed,$idx,1);
}
return $realId;
}
private static function getMixString($seed){
$mixed = "";
$source = self::$source;
$len = strlen($source);
for($i=0;$i<$len;$i++){
$seed = ($seed * 211 + 30031)%65536;
$index = ($seed / 65536 * strlen($source));
$c = substr($source,$index,1);
$mixed .= $c;
$source = str_replace($c,"",$source);
}
return $mixed;
}
private static function yk_d($a){
if (!$a) {
return '';
}
$f = strlen($a);
$b = 0;
$str = self::$str;
for ($c = ''; $b < $f;) {
$e = self::charCodeAt($a, $b++) & 255;
if ($b == $f) {
$c .= self::charAt($str, $e >> 2);
$c .= self::charAt($str, ($e & 3) << 4);
$c .= '==';
break;
}
$g = self::charCodeAt($a, $b++);
if ($b == $f) {
$c .= self::charAt($str, $e >> 2);
$c .= self::charAt($str, ($e & 3) << 4 | ($g & 240) >> 4);
$c .= self::charAt($str, ($g & 15) << 2);
$c .= '=';
break;
}
$h = self::charCodeAt($a, $b++);
$c .= self::charAt($str, $e >> 2);
$c .= self::charAt($str, ($e & 3) << 4 | ($g & 240) >> 4);
$c .= self::charAt($str, ($g & 15) << 2 | ($h & 192) >> 6);
$c .= self::charAt($str, $h & 63);
}
return $c;
}
private static function yk_na($a){
if (!$a) {
return '';
}
$h = explode(',', self::$sz);
$i = strlen($a);
$f = 0;
for ($e = ''; $f < $i;) {
do {
$c = $h[self::charCodeAt($a, $f++) & 255];
} while ($f < $i && -1 == $c);
if (-1 == $c) {
break;
}
do {
$b = $h[self::charCodeAt($a, $f++) & 255];
} while ($f < $i && -1 == $b);
if (-1 == $b) {
break;
}
$e .= self::fromCharCode($c << 2 | ($b & 48) >> 4);
do {
$c = self::charCodeAt($a, $f++) & 255;
if (61 == $c) {
return $e;
}
$c = $h[$c];
} while ($f < $i && -1 == $c);
if (-1 == $c) {
break;
}
$e .= self::fromCharCode(($b & 15) << 4 | ($c & 60) >> 2);
do {
$b = self::charCodeAt($a, $f++) & 255;
if (61 == $b) {
return $e;
}
$b = $h[$b];
} while ($f < $i && -1 == $b);
if (-1 == $b) {
break;
}
$e .= self::fromCharCode(($c & 3) << 6 | $b);
}
return $e;
}
private static function yk_e($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]) + self::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;
$e .= self::fromCharCode(self::charCodeAt($c, $q) ^ $b[($b[$h] + $b[$f]) % 256]);
}
return $e;
}
private static function fromCharCode($codes){
if (is_scalar($codes)) {
$codes = func_get_args();
}
$str = '';
foreach ($codes as $code) {
$str .= chr($code);
}
return $str;
}
private static function charCodeAt($str, $index){
static $charCode = array();
$key = md5($str);
$index = $index + 1;
if (isset($charCode[$key])) {
return $charCode[$key][$index];
}
$charCode[$key] = unpack('C*', $str);
return $charCode[$key][$index];
}
private static function charAt($str, $index = 0){
return substr($str, $index, 1);
}
/**
* [_getYouku description]
* @param [type] $vid [视频id]
* @return [type] [description]
*/
public static function _getYouku($vid){
//$link = "http://v.youku.com/player/getPlayList/VideoIDS/{$vid}/Pf/4"; //获取视频信息json 有些视频获取不全(土豆网的 火影忍者)
$blink = self::$base.$vid;
$link = $blink."/Pf/4/ctype/12/ev/1";
$retval = self::_cget($link);
$bretval = self::_cget($blink);
if ($retval) {
$rs = json_decode($retval, true);
$brs = json_decode($bretval, true);
if(!empty($rs['data'][0]['error'])){
return false; //有错误返回false
}
$data = array();
$streamtypes = $rs['data'][0]['streamtypes']; //可以输出的视频清晰度
$streamfileids = $rs['data'][0]['streamfileids'];
$seed = $rs['data'][0]['seed'];
$segs = $rs['data'][0]['segs'];
$ip = $rs['data'][0]['ip'];
$bsegs = $brs['data'][0]['segs'];
list($sid, $token) = explode('_', self::yk_e('becaf9be', self::yk_na($rs['data'][0]['ep'])));
foreach ($segs as $key=>$val) {
if(in_array($key,$streamtypes)){
foreach($val as $k=> $v){
$no = strtoupper(dechex($v['no'])); //转换为16进制 大写
if(strlen($no) == 1){
$no ="0".$no; //no 为每段视频序号
}
//构建视频地址K值
$_k = $v['k'];
if ((!$_k || $_k == '') || $_k == '-1') {
$_k = $bsegs[$key][$k]['k'];
}
$fileId = self::getFileid($streamfileids[$key],$seed);
$fileId = substr($fileId,0,8).$no.substr($fileId,10);
$ep = urlencode(iconv('gbk', 'UTF-8', self::yk_d(self::yk_e('bf7e5f01', ((($sid . '_') . $fileId) . '_') . $token))));
//判断后缀类型 、获得后缀
$typeArray = array("flv"=>"flv","mp4"=>"mp4","hd2"=>"flv","3gphd"=>"mp4","3gp"=>"flv","hd3"=>"flv");
//判断视频清晰度
$sharpness = array("flv"=>"normal","flvhd"=>"normal","mp4"=>"high","hd2"=>"super","3gphd"=>"high","3gp"=>"normal","hd3"=>"original"); //清晰度 数组
$fileType = $typeArray[$key];
$data[$sharpness[$key]][$k] = "http://k.youku.com/player/getFlvPath/sid/".$sid."_00/st/{$fileType}/fileid/".$fileId."?K=".$_k."&hd=1&myp=0&ts=".((((($v['seconds'].'&ypp=0&ctype=12&ev=1&token=').$token).'&oip=').$ip).'&ep=').$ep;;
}
}
}
//返回 图片 标题 链接 时长 视频地址
$data['img'] = $rs['data'][0]['logo'];
$data['title'] = $rs['data'][0]['title'];
$data['seconds'] = $rs['data'][0]['seconds'];
return $data;
} else {
return false;
}
}
//end 获得优酷视频需要用到的方法
}