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api.php
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<?php
$action = isset($_POST['action']) ?$_POST['action'] : '';
$rand_agent = function ()
{
$agents = ["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0.3 Safari/537.75.14","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/7.0 Safari/537.75.14","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.75.14 (KHTML, like Gecko) Version/6.1 Safari/537.75.14","Mozilla/5.0 (iPhone; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53","Mozilla/5.0 (iPod; CPU iPhone OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53","Mozilla/5.0 (iPad; CPU OS 7_0 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A465 Safari/9537.53","Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)","Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)","Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)","Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36","Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.57 Safari/537.36","Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:23.0) Gecko/20100101 Firefox/23.0","Mozilla/5.0 (Windows NT 6.2; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0"];
return $agents[array_rand($agents)];
};
$rand_ip = function ()
{
return '123.125.'. rand(1,254). '.'. rand(2,250);
};
$curl_download = function ($url) use($rand_agent, $rand_ip) {
// create a new cURL resource
$ch = curl_init();
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
// CURLOPT_HTTPHEADER
$ip = $rand_ip();
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'User-Agent: ' . $rand_agent(),
'X-Forwarded-For: ' . $ip,
'Client-IP: ' . $ip,
));
// time out
curl_setopt($ch,CURLOPT_TIMEOUT,1200);
// grab URL and pass it to the browser
$response = curl_exec($ch);
// close cURL resource, and free up system resources
curl_close($ch);
return $response;
};
$DecryptionLocation = function ($a)
{
preg_match('/^\d+/', $a, $match);
if (empty($match)) {
return '';
}
$d = $match[0];
$a = substr($a, strlen($d));
$d = intval($d);
if ($d < 1) {
return '';
}
$len = ceil(strlen($a)/$d);
$len2 = $len * (strlen($a)%$d) + 1;
// echo $len ;
// echo "\n";
// echo $len2;
$tmp = [];
for ($j=0,$i=0; $i < strlen($a); $i++,$j++) {
if (!isset($tmp[$j])) {
$tmp[$j] = '';
}
if ($len2 > 1 && $i == $len2) {
$len -=1;
}
if ($j == $len) {
$j = 0;
// echo "\n";
}
$tmp[$j] .= $a{$i};
// echo $a{$i};
}
$output = join('', $tmp);
$output = urldecode($output);
$output = str_replace('^', '0', $output);
if (!preg_match('/https?:\/\//', $output)) {
$output = '';
}
return $output;
};
$get_song_info = function () use($curl_download, $DecryptionLocation)
{
$songId = $_POST['songId'];
$songId = intval($songId);
if ($songId < 1) {
return '';
}
$response = $curl_download("http://www.xiami.com/song/playlist/id/{$songId}");
if (!$response) {
return null;
}
// $response = preg_replace("/<\!\[CDATA\[(.*?)\]\]>/s", "$1", $response);
$response = simplexml_load_string($response);
if (!$response or empty($response->trackList->track)) {
return null;
}
$response = $response->trackList->track;
if (empty($response->location)) {
return null;
}
$response->song_id = trim($response->song_id);
$response->location = trim($response->location);
$response->title = trim($response->title);
$response->album_name = trim($response->album_name);
$response->artist = trim($response->artist);
$response->album_pic = trim($response->album_pic);
// 解密location
$response->location = $DecryptionLocation($response->location);
if (empty($response->location)) {
return null;
}
return $response;
};
$get_file_name = function ($response)
{
return dirname(__FILE__). '/mp3/'. $response->song_id. '.' . str_replace('/', '-', $response->title);
};
if (isset($_GET['debug'])) {
$action = 'api';
$_POST['songId'] = '1770221910';
}
header('Content-Type: application/json');
switch ($action) {
case 'api': {
$response = $get_song_info();
if ($response) {
$mp3file = $get_file_name($response).".mp3";
if (file_exists($mp3file)) {
$response->hasDown = 1;
} else {
$response->hasDown = 0;
}
$response = json_encode($response);
} else {
$response = json_encode(['status' => 0]);
}
echo $response;
break;
}
case 'download': {
$response = $get_song_info();
if (!$response) {
// out
$output = [];
$output['status'] = 0;
$output['song_id'] = $_POST['songId'];
echo json_encode($output);
break;
}
$imgFileExt = pathinfo($response->album_pic, PATHINFO_EXTENSION);
$mp3file = $get_file_name($response).".mp3";
if (!file_exists($mp3file)) {
// 先下文件
$mp3data = $curl_download($response->location);
file_put_contents($mp3file, $mp3data);
}
// 处理文件，亲
/*
* 返回 的 $response 信息
{
"status": "ok",
"song": {
"song_id": "3341658",
"title": "\u7f8e\u3057\u304d\u3082\u306e",
"location": "http:\/\/m5.file.xiami.com\/976\/54976\/301986\/3341658_10853734_l.mp3?auth_key=2b681780455fee58d0f2a0652b61354f-1403568000-0-null",
"song_lrc": "http:\/\/img.xiami.net\/lyric\/58\/3341658_13995474539483.lrc",
"album_pic": "http:\/\/img.xiami.net\/images\/album\/img76\/54976\/3019861370588827_2.jpg",
"song_level": "-1",
"album_id": "301986",
"album_name": "Roman",
"album_pic": "http:\/\/img.xiami.net\/images\/album\/img76\/54976\/3019861370588827_2.jpg",
"artist_id": "54976",
"artist": "Sound Horizon",
"artist_logo": "http:\/\/img.xiami.net\/images\/artistlogo\/88\/13542539337988_1.jpg",
"hasDown": true
}
}
*/
// 处理MP3
// v2
require_once 'Zend/Media/Id3v2.php'; // or using autoload
require_once 'Zend/Media/Id3/Frame/Tit2.php';
require_once 'Zend/Media/Id3/Frame/Talb.php';
require_once 'Zend/Media/Id3/Frame/Apic.php';
require_once 'Zend/Media/Id3/Frame/Tcmp.php';
require_once 'Zend/Media/Id3/Frame/Tso2.php';
require_once 'Zend/Media/Id3/Frame/Tmcl.php';
require_once 'Zend/Media/Id3/Frame/Tope.php';
require_once 'Zend/Media/Id3/Frame/Tpe1.php';
$id3 = new Zend_Media_Id3v2();
// tit2
$tit2 = new Zend_Media_Id3_Frame_Tit2();
$tit2->setText($response->title);
$id3->addFrame($tit2);
// talb
$talb = new Zend_Media_Id3_Frame_Talb();
$talb->setText($response->album_name);
$id3->addFrame($talb);
// tcmp
$tcmp = new Zend_Media_Id3_Frame_Tcmp();
$tcmp->setText($response->artist);
$id3->addFrame($tcmp);
// Tso2
$tso2 = new Zend_Media_Id3_Frame_Tso2();
$tso2->setText($response->artist);
$id3->addFrame($tso2);
// Tmcl
$tmcl = new Zend_Media_Id3_Frame_Tmcl();
$tmcl->setText($response->artist);
$id3->addFrame($tmcl);
// Tope
$tope = new Zend_Media_Id3_Frame_Tope();
$tope->setText($response->artist);
$id3->addFrame($tope);
// Tpe1
$tpe1 = new Zend_Media_Id3_Frame_Tpe1();
$tpe1->setText($response->artist);
$id3->addFrame($tpe1);
// pic
$apic = new Zend_Media_Id3_Frame_Apic();
if ($imgFileExt === 'jpg') {
$apic->setMimeType('image/jpeg');
} else {
$apic->setMimeType('image/'. $imgFileExt);
}
// 远程获取图片
$imgdata = $curl_download($response->album_pic);
$apic->setImageData($imgdata);
$apic->setImageType(3);
$id3->addFrame($apic);
// add
$id3->write($mp3file);
// 移除图片
$imgFile = $get_file_name($response).".{$imgFileExt}";
if (file_exists($imgFile)) {
unlink($imgFile);
}
// out
$output = [];
$output['status'] = 1;
$output['song_id'] = $response->song_id;
echo json_encode($output);
break;
}
default:
# code...
break;
}