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4get/audio/spotify.php
2024-02-17 23:22:19 -05:00

214 lines
3.9 KiB
PHP

<?php
include "../data/config.php";
new spotify();
class spotify{
public function __construct(){
include "../lib/fuckhtml.php";
$this->fuckhtml = new fuckhtml();
if(
!isset($_GET["s"]) ||
!preg_match(
'/^(track|episode)\.([A-Za-z0-9]{22})$/',
$_GET["s"],
$matches
)
){
$this->do404("The track ID(s) parameter is missing or invalid");
}
try{
if($matches[1] == "episode"){
$uri = "show";
}else{
$uri = $matches[1];
}
$embed =
$this->get("https://embed.spotify.com/{$uri}/" . $matches[2]);
}catch(Exception $error){
$this->do404("Failed to fetch embed data");
}
$this->fuckhtml->load($embed);
$json =
$this->fuckhtml
->getElementById(
"__NEXT_DATA__",
"script"
);
if($json === null){
$this->do404("Failed to extract JSON");
}
$json =
json_decode($json["innerHTML"], true);
if($json === null){
$this->do404("Failed to decode JSON");
}
switch($matches[1]){
case "track":
if(
isset(
$json
["props"]
["pageProps"]
["state"]
["data"]
["entity"]
["audioPreview"]
["url"]
)
){
header("Content-type: audio/mpeg");
header(
"Location: /audio/linear?s=" .
urlencode(
$json
["props"]
["pageProps"]
["state"]
["data"]
["entity"]
["audioPreview"]
["url"]
)
);
}else{
$this->do404("Could not extract playback URL");
}
break;
case "episode":
if(
isset(
$json
["props"]
["pageProps"]
["state"]
["data"]
["entity"]
["id"]
)
){
try{
$json =
$this->get(
"https://spclient.wg.spotify.com/soundfinder/v1/unauth/episode/" .
$json
["props"]
["pageProps"]
["state"]
["data"]
["entity"]
["id"] .
"/com.widevine.alpha"
);
}catch(Exception $error){
$this->do404("Failed to fetch audio resource");
}
$json = json_decode($json, true);
if($json === null){
$this->do404("Failed to decode audio resource JSON");
}
if(
isset($json["passthrough"]) &&
$json["passthrough"] == "ALLOWED" &&
isset($json["passthroughUrl"])
){
header(
"Location:" .
"/audio/linear.php?s=" .
urlencode(
str_replace(
"http://",
"https://",
$json["passthroughUrl"]
)
)
);
}else{
$this->do404("Failed to find passthroughUrl");
}
}else{
$this->do404("Failed to find episode ID");
}
break;
}
}
private function get($url){
$headers = [
"User-Agent: " . config::USER_AGENT,
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"Accept-Language: en-US,en;q=0.5",
"Accept-Encoding: gzip",
"DNT: 1",
"Connection: keep-alive",
"Upgrade-Insecure-Requests: 1",
"Sec-Fetch-Dest: document",
"Sec-Fetch-Mode: navigate",
"Sec-Fetch-Site: none",
"Sec-Fetch-User: ?1"
];
$curlproc = curl_init();
curl_setopt($curlproc, CURLOPT_URL, $url);
curl_setopt($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 $data;
}
private function do404($error){
http_response_code(404);
header("Content-Type: text/plain");
header("X-Error: $error");
die();
}
}