From 758447cfa419f1a11bc022ef8168447992364e52 Mon Sep 17 00:00:00 2001 From: Andreas Gohr Date: Fri, 13 Mar 2009 20:02:47 +0100 Subject: Support for multirange requests for media FS#1630 Ignore-this: 50de569608231b910a62327d2f3af1de This patch moves all HTTP sending related functions to inc/httputils.php Handling of range requests was rewritten completely to support mutirange requests. This should fix problems with Adobe Reader but needs testing. darcs-hash:20090313190247-7ad00-e6ec1f81acb9f7ac651357dd034c2689aea6868d.gz --- inc/pageutils.php | 92 ------------------------------------------------------- 1 file changed, 92 deletions(-) (limited to 'inc/pageutils.php') diff --git a/inc/pageutils.php b/inc/pageutils.php index 105cfa18e..872191d12 100644 --- a/inc/pageutils.php +++ b/inc/pageutils.php @@ -528,97 +528,5 @@ function isVisiblePage($id){ return !isHiddenPage($id); } -/** - * Checks and sets HTTP headers for conditional HTTP requests - * - * @author Simon Willison - * @link http://simon.incutio.com/archive/2003/04/23/conditionalGet - * @param timestamp $timestamp lastmodified time of the cache file - * @returns void or exits with previously header() commands executed - */ -function http_conditionalRequest($timestamp){ - // A PHP implementation of conditional get, see - // http://fishbowl.pastiche.org/archives/001132.html - $last_modified = substr(gmdate('r', $timestamp), 0, -5).'GMT'; - $etag = '"'.md5($last_modified).'"'; - // Send the headers - header("Last-Modified: $last_modified"); - header("ETag: $etag"); - // See if the client has provided the required headers - if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])){ - $if_modified_since = stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']); - }else{ - $if_modified_since = false; - } - - if (isset($_SERVER['HTTP_IF_NONE_MATCH'])){ - $if_none_match = stripslashes($_SERVER['HTTP_IF_NONE_MATCH']); - }else{ - $if_none_match = false; - } - - if (!$if_modified_since && !$if_none_match){ - return; - } - - // At least one of the headers is there - check them - if ($if_none_match && $if_none_match != $etag) { - return; // etag is there but doesn't match - } - - if ($if_modified_since && $if_modified_since != $last_modified) { - return; // if-modified-since is there but doesn't match - } - - // Nothing has changed since their last request - serve a 304 and exit - header('HTTP/1.0 304 Not Modified'); - - // don't produce output, even if compression is on - ob_end_clean(); - exit; -} -/** - * Let the webserver send the given file vi x-sendfile method - * - * @author Chris Smith - * @returns void or exits with previously header() commands executed - */ -function http_sendfile($file) { - global $conf; - - //use x-sendfile header to pass the delivery to compatible webservers - if($conf['xsendfile'] == 1){ - header("X-LIGHTTPD-send-file: $file"); - ob_end_clean(); - exit; - }elseif($conf['xsendfile'] == 2){ - header("X-Sendfile: $file"); - ob_end_clean(); - exit; - }elseif($conf['xsendfile'] == 3){ - header("X-Accel-Redirect: $file"); - ob_end_clean(); - exit; - } - - return false; -} - -/** - * Check for a gzipped version and create if necessary - * - * return true if there exists a gzip version of the uncompressed file - * (samepath/samefilename.sameext.gz) created after the uncompressed file - * - * @author Chris Smith - */ -function http_gzip_valid($uncompressed_file) { - $gzip = $uncompressed_file.'.gz'; - if (filemtime($gzip) < filemtime($uncompressed_file)) { // filemtime returns false (0) if file doesn't exist - return copy($uncompressed_file, 'compress.zlib://'.$gzip); - } - - return true; -} //Setup VIM: ex: et ts=2 enc=utf-8 : -- cgit v1.2.3