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<?php
class sc{
public function __construct(){
include "lib/backend.php";
$this->backend = new backend("sc");
include "lib/fuckhtml.php";
$this->fuckhtml = new fuckhtml();
}
private function get($proxy, $url, $get = []){
$curlproc = curl_init();
if($get !== []){
$get = http_build_query($get);
$url .= "?" . $get;
}
curl_setopt($curlproc, CURLOPT_URL, $url);
// http2 bypass
curl_setopt($curlproc, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
$headers =
["User-Agent: " . config::USER_AGENT,
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Accept-Language: en-US,en;q=0.5",
"Accept-Encoding: gzip",
"DNT: 1",
"Sec-GPC: 1",
"Connection: keep-alive",
"Upgrade-Insecure-Requests: 1",
"Sec-Fetch-Dest: document",
"Sec-Fetch-Mode: navigate",
"Sec-Fetch-Site: none",
"Sec-Fetch-User: ?1",
"Priority: u=0, i"];
$this->backend->assign_proxy($curlproc, $proxy);
curl_setopt($curlproc, CURLOPT_ENCODING, ""); // default encoding
curl_setopt($curlproc, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curlproc, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlproc, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($curlproc, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($curlproc, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($curlproc, CURLOPT_TIMEOUT, 30);
$data = curl_exec($curlproc);
if(curl_errno($curlproc)){
throw new Exception(curl_error($curlproc));
}
curl_close($curlproc);
return $data;
}
function resolve($id){
if(
!preg_match(
'/^(t|p)[0-9]+$/',
$id
)
){
throw new Exception("ID is invalid");
}
$type = $id[0] == "t" ? "track" : "playlist";
$id = substr($id, 1);
try{
$html =
$this->get(
$this->backend->get_ip(),
"https://w.soundcloud.com/player/",
[
"url" => "http://api.soundcloud.com/{$type}s/{$id}",
"show_artwork" => "true"
]
);
}catch(Exception $error){
throw new Exception("Failed to fetch song embed page");
}
$this->fuckhtml->load($html);
$link =
$this->fuckhtml
->getElementsByAttributeValue(
"rel",
"canonical",
"link"
);
if(count($link) === 0){
throw new Exception("Soundcloud could not resolve the song ID to an URL");
}
return
$this->fuckhtml
->getTextContent(
$link[0]
["attributes"]
["href"]
);
}
}
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