获取优酷视频真实下载地址的PHP源代码
原文地址：http://www.51mzw.com/show-84-535-1.html
<?php
//--调用方法/demo.php?url=http://v.youku.com/v_show/id_XMzkyODA2NTEy.html
echo
getYoukuFlv(
$_GET
[
'url'
]);
function
getYoukuFlv(
$url
){
preg_match(
"#id_(.*?)\.html#"
,
$url
,
$out
);
$id
=
$out
[1];
$content
=get_curl_contents(
'http://v.youku.com/player/getPlayList/VideoIDS/'
.
$id
);
$data
=json_decode(
$content
);
foreach
(
$data
->data[0]->streamfileids AS
$k
=>
$v
){
$sid
=getSid();
$fileid
=getfileid(
$v
,
$data
->data[0]->seed);
$one
=(
$data
->data[0]->segs->
$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
,
$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
);
$cnt
=mb_check_encoding(
$cnt
,
'utf-8'
)?iconv(
'gbk'
,
'utf-8//IGNORE'
,
$cnt
):
$cnt
; //字符编码转换
curl_close(
$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
,
$seed
) {
$mixed
= getMixString(
$seed
);
$ids
=
explode
(
"*"
,
$fileId
);
unset(
$ids
[
count
(
$ids
)-1]);
$realId
=
""
;
for
(
$i
=0;
$i
<
count
(
$ids
);++
$i
) {
$idx
=
$ids
[
$i
];
$realId
.=
substr
(
$mixed
,
$idx
,1);
}
return
$realId
;
}
function
getMixString(
$seed
) {
$mixed
=
""
;
$source
=
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\\:._-1234567890"
;
$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
;
}
?>