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MDL-39688 do not set Etag when sending http ranges

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This commit is contained in:
Petr Škoda 2013-05-25 09:10:24 +02:00
parent 73f560c7b2
commit f111746140
2 changed files with 15 additions and 1 deletions
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10
lib/filelib.php
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@ -2021,7 +2021,11 @@ function readfile_accel($file, $mimetype, $accelerate) {
header('Last-Modified: '. gmdate('D, d M Y H:i:s', $lastmodified) .' GMT');
if (is_object($file)) {
header('ETag: ' . $file->get_contenthash());
if (empty($_SERVER['HTTP_RANGE'])) {
// Use Etag only when not byteserving,
// is it tag of this range or whole file?
header('Etag: ' . $file->get_contenthash());
}
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) and $_SERVER['HTTP_IF_NONE_MATCH'] === $file->get_contenthash()) {
header('HTTP/1.1 304 Not Modified');
return;
@ -2671,6 +2675,10 @@ function byteserving_send_file($handle, $mimetype, $ranges, $filesize) {
// better turn off any kind of compression and buffering
@ini_set('zlib.output_compression', 'Off');
// Remove Etag because is is not strictly defined for byteserving,
// is it tag of this range or whole file?
header_remove('Etag');
$chunksize = 1*(1024*1024); // 1MB chunks - must be less than 2MB!
if ($handle === false) {
die;

6
lib/xsendfilelib.php
View file

@ -68,6 +68,12 @@ function xsendfile($filepath) {
}
}
// Remove Etag because is is not strictly defined for byteserving,
// is it tag of this range or whole file?
if (!empty($_SERVER['HTTP_RANGE'])) {
header_remove('Etag');
}
if ($CFG->xsendfile === 'X-LIGHTTPD-send-file') {
// http://redmine.lighttpd.net/projects/lighttpd/wiki/X-LIGHTTPD-send-file says 1.4 it does not support byteserving
header('Accept-Ranges: none');