mirror of
https://git.v0l.io/Kieran/void.cat.git
synced 2025-03-20 05:51:43 +01:00
83 lines
1.9 KiB
PHP
83 lines
1.9 KiB
PHP
<?php
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/**
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* Reads the requested portion of a file and sends its contents to the client with the appropriate headers.
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*
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* This HTTP_RANGE compatible read file function is necessary for allowing streaming media to be skipped around in.
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*
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* @param string $location
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* @param string $filename
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* @param string $mimeType
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* @return void
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*
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* @link https://groups.google.com/d/msg/jplayer/nSM2UmnSKKA/Hu76jDZS4xcJ
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* @link http://php.net/manual/en/function.readfile.php#86244
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*/
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function smartReadFile($location, $filename, $mimeType = 'application/octet-stream')
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{
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if (!file_exists($location))
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{
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header ("HTTP/1.1 404 Not Found");
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return;
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}
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$size = filesize($location);
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$ftime = filemtime($location);
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$time = date('r', $ftime);
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$fm = @fopen($location, 'rb');
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if (!$fm)
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{
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header ("HTTP/1.1 505 Internal server error");
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return;
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}
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$begin = 0;
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$end = $size - 1;
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if (isset($_SERVER['HTTP_RANGE']))
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{
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if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches))
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{
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$begin = intval($matches[1]);
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if (!empty($matches[2]))
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{
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$end = intval($matches[2]);
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}
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}
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}
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if (isset($_SERVER['HTTP_RANGE']))
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{
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header('HTTP/1.1 206 Partial Content');
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}
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else
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{
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header('HTTP/1.1 200 OK');
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}
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$expire = 604800;
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header("Content-Type: $mimeType");
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header("Cache-Control: public, max-age=$expire");
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header("Accept-Ranges: bytes");
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header("Content-Length: " . (($end - $begin) + 1));
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if (isset($_SERVER['HTTP_RANGE']))
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{
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header("Content-Range: bytes $begin-$end/$size");
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}
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header("Content-Disposition: inline; filename=$filename");
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header("Content-Transfer-Encoding: binary");
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header("Last-Modified: $time");
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header("Expires: " . date('r', strtotime("+$expire seconds")));
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$cur = $begin;
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fseek($fm, $begin, 0);
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while(!feof($fm) && $cur <= $end && (connection_status() == 0))
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{
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print fread($fm, min(1024 * 16, ($end - $cur) + 1));
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$cur += 1024 * 16;
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}
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}
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?>
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