diff options
Diffstat (limited to 'application/helpers')
| -rw-r--r-- | application/helpers/filebin_helper.php | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/application/helpers/filebin_helper.php b/application/helpers/filebin_helper.php index 6e4c84e43..71ce7e6ca 100644 --- a/application/helpers/filebin_helper.php +++ b/application/helpers/filebin_helper.php @@ -20,105 +20,6 @@ function format_bytes($size) } } -// Original source: http://www.phpfreaks.com/forums/index.php?topic=198274.msg895468#msg895468 -function rangeDownload($file, $filename, $type) -{ - $fp = @fopen($file, 'r'); - - $size = filesize($file); // File size - $length = $size; // Content length - $start = 0; // Start byte - $end = $size - 1; // End byte - // Now that we've gotten so far without errors we send the accept range header - /* At the moment we only support single ranges. - * Multiple ranges requires some more work to ensure it works correctly - * and comply with the spesifications: http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2 - * - * Multirange support annouces itself with: - * header('Accept-Ranges: bytes'); - * - * Multirange content must be sent with multipart/byteranges mediatype, - * (mediatype = mimetype) - * as well as a boundry header to indicate the various chunks of data. - */ - header("Accept-Ranges: 0-$length"); - // header('Accept-Ranges: bytes'); - // multipart/byteranges - // http://www.w3.org/Protocols/rfc2616/rfc2616-sec19.html#sec19.2 - if (isset($_SERVER['HTTP_RANGE'])) - { - $c_start = $start; - $c_end = $end; - // Extract the range string - list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2); - // Make sure the client hasn't sent us a multibyte range - if (strpos($range, ',') !== false) - { - // (?) Shoud this be issued here, or should the first - // range be used? Or should the header be ignored and - // we output the whole content? - header('HTTP/1.1 416 Requested Range Not Satisfiable'); - header("Content-Range: bytes $start-$end/$size"); - // (?) Echo some info to the client? - exit; - } - // If the range starts with an '-' we start from the beginning - // If not, we forward the file pointer - // And make sure to get the end byte if spesified - if ($range{0} == '-') - { - // The n-number of the last bytes is requested - $c_start = $size - substr($range, 1); - } - else - { - $range = explode('-', $range); - $c_start = $range[0]; - $c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size; - } - /* Check the range and make sure it's treated according to the specs. - * http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html - */ - // End bytes can not be larger than $end. - $c_end = ($c_end > $end) ? $end : $c_end; - // Validate the requested range and return an error if it's not correct. - if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) - { - header('HTTP/1.1 416 Requested Range Not Satisfiable'); - header("Content-Range: bytes $start-$end/$size"); - // (?) Echo some info to the client? - exit; - } - $start = $c_start; - $end = $c_end; - $length = $end - $start + 1; // Calculate new content length - fseek($fp, $start); - header('HTTP/1.1 206 Partial Content'); - // Notify the client the byte range we'll be outputting - header("Content-Range: bytes $start-$end/$size"); - } - header("Content-Length: $length"); - header("Content-disposition: inline; filename=\"".$filename."\"\n"); - header("Content-Type: ".$type."\n"); - - // Start buffered download - $buffer = 1024 * 8; - while(!feof($fp) && ($p = ftell($fp)) <= $end) - { - if ($p + $buffer > $end) - { - // In case we're only outputtin a chunk, make sure we don't - // read past the length - $buffer = $end - $p + 1; - } - set_time_limit(0); // Reset time limit for big files - echo fread($fp, $buffer); - flush(); // Free up memory. Otherwise large files will trigger PHP's memory limit. - } - - fclose($fp); -} - function even_odd($reset = false) { static $counter = 1; |