diff options
Diffstat (limited to 'audio_sc.php')
| -rw-r--r-- | audio_sc.php | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/audio_sc.php b/audio_sc.php deleted file mode 100644 index 36a6855..0000000 --- a/audio_sc.php +++ /dev/null @@ -1,224 +0,0 @@ -<?php - -include "data/config.php"; -new sc_audio(); - -class sc_audio{ - - public function __construct(){ - - include "lib/curlproxy.php"; - $this->proxy = new proxy(); - - if(isset($_GET["u"])){ - - /* - we're now proxying audio - */ - $viewkey = $_GET["u"]; - - if(!isset($_GET["r"])){ - - $this->do404("Ranges(r) are missing"); - } - - $ranges = explode(",", $_GET["r"]); - - // sanitize ranges - foreach($ranges as &$range){ - - if(!is_numeric($range)){ - - $this->do404("Invalid range specified"); - } - - $range = (int)$range; - } - - // sort ranges (just to make sure) - sort($ranges); - - // convert ranges to pairs - $last = -1; - foreach($ranges as &$r){ - - $tmp = $r; - $r = [$last + 1, $r]; - - $last = $tmp; - } - - $browser_headers = getallheaders(); - - // get the requested range from client - $client_range = 0; - foreach($browser_headers as $key => $value){ - - if(strtolower($key) == "range"){ - - preg_match( - '/bytes=([0-9]+)/', - $value, - $client_regex - ); - - if(isset($client_regex[1])){ - - $client_range = (int)$client_regex[1]; - }else{ - - $client_range = 0; - } - break; - } - } - - if( - $client_range < 0 || - $client_range > $ranges[count($ranges) - 1][1] - ){ - - // range is not satisfiable - http_response_code(416); - header("Content-Type: text/plain"); - die(); - } - - $rng = null; - for($i=0; $i<count($ranges); $i++){ - - if($ranges[$i][0] <= $client_range){ - - $rng = $ranges[$i]; - } - } - - // proxy data! - http_response_code(206); // partial content - header("Accept-Ranges: bytes"); - header("Content-Range: bytes {$rng[0]}-{$rng[1]}/" . ($ranges[count($ranges) - 1][1] + 1)); - - $viewkey = - preg_replace( - '/\/media\/([0-9]+)\/[0-9]+\/[0-9]+/', - '/media/$1/' . $rng[0] . '/' . $rng[1], - $viewkey - ); - - try{ - - $this->proxy->stream_linear_audio( - $viewkey - ); - }catch(Exception $error){ - - $this->do404("Could not read stream"); - } - - die(); - } - - /* - redirect user to correct resource - we need to scrape and store the byte positions in the result URL - */ - if(!isset($_GET["s"])){ - - $this->do404("The URL(s) parameter is missing"); - } - - $viewkey = $_GET["s"]; - - if( - preg_match( - '/soundcloud\.com$/', - parse_url($viewkey, PHP_URL_HOST) - ) === false - ){ - - $this->do404("This endpoint can only be used for soundcloud streams"); - } - - try{ - - $json = $this->proxy->get($viewkey)["body"]; - }catch(Exception $error){ - - $this->do404("Curl error: " . $error->getMessage()); - } - - $json = json_decode($json, true); - - if(!isset($json["url"])){ - - $this->do404("Could not get URL from JSON"); - } - - $viewkey = $json["url"]; - - $m3u8 = $this->proxy->get($viewkey)["body"]; - - $m3u8 = explode("\n", $m3u8); - - $lineout = null; - $streampos_arr = []; - foreach($m3u8 as $line){ - - $line = trim($line); - if($line[0] == "#"){ - - continue; - } - - if($lineout === null){ - $lineout = $line; - } - - preg_match( - '/\/media\/[0-9]+\/([0-9]+)\/([0-9]+)/', - $line, - $matches - ); - - if(isset($matches[0])){ - - $streampos_arr[] = [ - (int)$matches[1], - (int)$matches[2] - ]; - } - } - - if($lineout === null){ - - $this->do404("Could not get stream URL"); - } - - $lineout = - preg_replace( - '/\/media\/([0-9]+)\/[0-9]+\/[0-9]+/', - '/media/$1/0/0', - $lineout - ); - - $streampos = []; - - foreach($streampos_arr as $pos){ - - $streampos[] = $pos[1]; - } - - $streampos = implode(",", $streampos); - - header("Location: audio_sc?u=" . urlencode($lineout) . "&r=$streampos"); - header("Accept-Ranges: bytes"); - } - - private function do404($error){ - - http_response_code(404); - header("Content-Type: text/plain"); - header("X-Error: $error"); - die(); - } -} |