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authorPierre Schmitz <pierre@archlinux.de>2013-09-23 07:47:40 +0200
committerFlorian Pritz <bluewind@xinu.at>2013-09-23 18:07:47 +0200
commit635b0717931df907ee8015a42ad0ed1fcdf967c4 (patch)
treed301376b6dfc5326a7c2190c99194475ff7bc016 /application/helpers
parent551c359d8e50608093ba0f7179bd311d89e90da2 (diff)
Implement rangeDownload() as driver and provide sendfile implementations for Nginx and Lighttpd
* The rangeDownload() function has been moved to libraries/Ddownload/drivers/Ddownload_php.php * The nginx and lighttpd drivers can be set via $config['download_driver'] Signed-off-by: Pierre Schmitz <pierre@archlinux.de>
Diffstat (limited to 'application/helpers')
-rw-r--r--application/helpers/filebin_helper.php99
1 files changed, 0 insertions, 99 deletions
diff --git a/application/helpers/filebin_helper.php b/application/helpers/filebin_helper.php
index 6e4c84e43..71ce7e6ca 100644
--- a/application/helpers/filebin_helper.php
+++ b/application/helpers/filebin_helper.php
@@ -20,105 +20,6 @@ function format_bytes($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;