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Detect when the server compresses output, see #8628

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git-svn-id: http://svn.automattic.com/wordpress/trunk@10476 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
azaozz 2009-02-01 09:45:24 +00:00
parent fc8345977f
commit 75850602a5
8 changed files with 107 additions and 77 deletions
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40
wp-admin/admin-ajax.php
View File

@ -68,12 +68,42 @@ case 'wp-compression-test' :
if ( !current_user_can( 'manage_options' ) )
die('-1');
if ( isset($_GET['tested']) ) {
if ( 1 == $_GET['tested'] )
update_option('can_compress_scripts', 1);
elseif ( 0 == $_GET['tested'] )
update_option('can_compress_scripts', 0);
if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') ) {
update_option('can_compress_scripts', 0);
die('0');
}
if ( isset($_GET['test']) ) {
header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
header( 'Pragma: no-cache' );
header('Content-Type: application/x-javascript; charset=UTF-8');
$force_gzip = ( defined('ENFORCE_GZIP') && ENFORCE_GZIP );
$test_str = '"wpCompressionTest Lorem ipsum dolor sit amet consectetuer mollis sapien urna ut a. Eu nonummy condimentum fringilla tempor pretium platea vel nibh netus Maecenas. Hac molestie amet justo quis pellentesque est ultrices interdum nibh Morbi. Cras mattis pretium Phasellus ante ipsum ipsum ut sociis Suspendisse Lorem. Ante et non molestie. Porta urna Vestibulum egestas id congue nibh eu risus gravida sit. Ac augue auctor Ut et non a elit massa id sodales. Elit eu Nulla at nibh adipiscing mattis lacus mauris at tempus. Netus nibh quis suscipit nec feugiat eget sed lorem et urna. Pellentesque lacus at ut massa consectetuer ligula ut auctor semper Pellentesque. Ut metus massa nibh quam Curabitur molestie nec mauris congue. Volutpat molestie elit justo facilisis neque ac risus Ut nascetur tristique. Vitae sit lorem tellus et quis Phasellus lacus tincidunt nunc Fusce. Pharetra wisi Suspendisse mus sagittis libero lacinia Integer consequat ac Phasellus. Et urna ac cursus tortor aliquam Aliquam amet tellus volutpat Vestibulum. Justo interdum condimentum In augue congue tellus sollicitudin Quisque quis nibh."';
if ( 1 == $_GET['test'] ) {
echo $test_str;
die;
} elseif ( 2 == $_GET['test'] ) {
if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
header('Content-Encoding: deflate');
$out = gzdeflate( $test_str, 1 );
} elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
header('Content-Encoding: gzip');
$out = gzencode( $test_str, 1 );
} else {
die('-1');
}
echo $out;
die;
} elseif ( 'no' == $_GET['test'] ) {
update_option('can_compress_scripts', 0);
} elseif ( 'yes' == $_GET['test'] ) {
update_option('can_compress_scripts', 1);
}
}
die('0');
break;
default :

2
wp-admin/includes/schema.php
View File

@ -303,7 +303,7 @@ function populate_options() {
add_option('dismissed_update_core', array());
// Delete unused options
$unusedoptions = array ('blodotgsping_url', 'bodyterminator', 'emailtestonly', 'phoneemail_separator', 'smilies_directory', 'subjectprefix', 'use_bbcode', 'use_blodotgsping', 'use_phoneemail', 'use_quicktags', 'use_weblogsping', 'weblogs_cache_file', 'use_preview', 'use_htmltrans', 'smilies_directory', 'fileupload_allowedusers', 'use_phoneemail', 'default_post_status', 'default_post_category', 'archive_mode', 'time_difference', 'links_minadminlevel', 'links_use_adminlevels', 'links_rating_type', 'links_rating_char', 'links_rating_ignore_zero', 'links_rating_single_image', 'links_rating_image0', 'links_rating_image1', 'links_rating_image2', 'links_rating_image3', 'links_rating_image4', 'links_rating_image5', 'links_rating_image6', 'links_rating_image7', 'links_rating_image8', 'links_rating_image9', 'weblogs_cacheminutes', 'comment_allowed_tags', 'search_engine_friendly_urls', 'default_geourl_lat', 'default_geourl_lon', 'use_default_geourl', 'weblogs_xml_url', 'new_users_can_blog', '_wpnonce', '_wp_http_referer', 'Update', 'action', 'rich_editing', 'autosave_interval', 'deactivated_plugins');
$unusedoptions = array ('blodotgsping_url', 'bodyterminator', 'emailtestonly', 'phoneemail_separator', 'smilies_directory', 'subjectprefix', 'use_bbcode', 'use_blodotgsping', 'use_phoneemail', 'use_quicktags', 'use_weblogsping', 'weblogs_cache_file', 'use_preview', 'use_htmltrans', 'smilies_directory', 'fileupload_allowedusers', 'use_phoneemail', 'default_post_status', 'default_post_category', 'archive_mode', 'time_difference', 'links_minadminlevel', 'links_use_adminlevels', 'links_rating_type', 'links_rating_char', 'links_rating_ignore_zero', 'links_rating_single_image', 'links_rating_image0', 'links_rating_image1', 'links_rating_image2', 'links_rating_image3', 'links_rating_image4', 'links_rating_image5', 'links_rating_image6', 'links_rating_image7', 'links_rating_image8', 'links_rating_image9', 'weblogs_cacheminutes', 'comment_allowed_tags', 'search_engine_friendly_urls', 'default_geourl_lat', 'default_geourl_lon', 'use_default_geourl', 'weblogs_xml_url', 'new_users_can_blog', '_wpnonce', '_wp_http_referer', 'Update', 'action', 'rich_editing', 'autosave_interval', 'deactivated_plugins', 'can_compress_scripts');
foreach ($unusedoptions as $option) :
delete_option($option);
endforeach;

56
wp-admin/includes/template.php
View File

@ -3408,22 +3408,54 @@ function screen_icon($name = '') {
*/
function compression_test() {
?>
<script type="text/javascript" src="load-scripts.php?test=1<?php echo ( defined('ENFORCE_GZIP') && ENFORCE_GZIP ) ? '&c=gzip' : ''; ?>"></script>
<script type="text/javascript">
/* <![CDATA[ */
(function() {
var x, test = typeof wpCompressionTest == 'undefined' ? 0 : 1;
if ( window.XMLHttpRequest ) {
x = new XMLHttpRequest();
} else {
try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
}
var testCompression = {
get : function(test) {
var x;
if ( window.XMLHttpRequest ) {
x = new XMLHttpRequest();
} else {
try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
}
if (x) {
x.open('GET', 'admin-ajax.php?action=wp-compression-test&tested='+test+'&'+(new Date()).getTime(), true);
x.send('');
if (x) {
x.onreadystatechange = function() {
var r, h;
if ( x.readyState == 4 ) {
r = x.responseText.substr(0, 18);
h = x.getResponseHeader('Content-Encoding');
testCompression.check(r, h, test);
}
}
x.open('GET', 'admin-ajax.php?action=wp-compression-test&test='+test+'&'+(new Date()).getTime(), true);
x.send('');
}
},
check : function(r, h, test) {
if ( ! r && ! test )
this.get(1);
if ( 1 == test ) {
if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )
this.get('no');
else
this.get(2);
return;
}
if ( 2 == test ) {
if ( '"wpCompressionTest' == r )
this.get('yes');
else
this.get('no');
}
}
})();
};
testCompression.check();
/* ]]> */
</script>
<?php

31
wp-admin/load-scripts.php
View File

@ -85,36 +85,7 @@ function get_file($path) {
return @file_get_contents($path);
}
// Discard any buffers
while ( @ob_end_clean() );
if ( isset($_GET['test']) && 1 == $_GET['test'] ) {
if ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') )
exit('');
$out = 'var wpCompressionTest = 1;';
$force_gzip = ( isset($_GET['c']) && 'gzip' == $_GET['c'] );
if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
header('Content-Encoding: deflate');
$out = gzdeflate( $out, 3 );
} elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
header('Content-Encoding: gzip');
$out = gzencode( $out, 3 );
} else {
exit('');
}
header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
header( 'Pragma: no-cache' );
header( 'Content-Type: application/x-javascript; charset=UTF-8' );
echo $out;
exit;
}
$load = preg_replace( '/[^a-z0-9,_-]*/i', '', $_GET['load'] );
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
$load = explode(',', $load);
if ( empty($load) )

5
wp-admin/load-styles.php
View File

@ -88,10 +88,7 @@ function get_file($path) {
require(ABSPATH . '/wp-includes/script-loader.php');
require(ABSPATH . '/wp-includes/version.php');
// Discard any buffers
while ( @ob_end_clean() );
$load = preg_replace( '/[^a-z0-9,_-]*/i', '', $_GET['load'] );
$load = preg_replace( '/[^a-z0-9,_-]+/i', '', $_GET['load'] );
$load = explode(',', $load);
if ( empty($load) )

4
wp-includes/js/tinymce/wp-tinymce.php
View File

@ -2,8 +2,6 @@
$basepath = dirname(__FILE__);
while ( @ob_end_clean() );
function get_file($path) {
if ( function_exists('realpath') )
@ -22,7 +20,7 @@ header('Vary: Accept-Encoding'); // Handle proxies
header('Expires: ' . gmdate( "D, d M Y H:i:s", time() + $expires_offset ) . ' GMT');
header("Cache-Control: public, max-age=$expires_offset");
if ( isset($_GET['c']) && 1 == $_GET['c'] && ! ini_get('zlib.output_compression') && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') ) {
if ( isset($_GET['c']) && 1 == $_GET['c'] && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') ) {
header('Content-Encoding: gzip');
echo get_file($basepath . '/wp-tinymce.js.gz');
} else {

6
wp-includes/script-loader.php
View File

@ -678,6 +678,8 @@ function print_admin_styles() {
function script_concat_settings() {
global $concatenate_scripts, $compress_scripts, $compress_css;
$compressed_output = ( ini_get('zlib.output_compression') || 'ob_gzhandler' == ini_get('output_handler') );
if ( ! isset($concatenate_scripts) ) {
$concatenate_scripts = defined('CONCATENATE_SCRIPTS') ? CONCATENATE_SCRIPTS : true;
if ( ! is_admin() || ( $concatenate_scripts && -1 == get_user_option('concatenate_scripts') ) )
@ -686,13 +688,13 @@ function script_concat_settings() {
if ( ! isset($compress_scripts) ) {
$compress_scripts = defined('COMPRESS_SCRIPTS') ? COMPRESS_SCRIPTS : true;
if ( $compress_scripts && ! get_option('can_compress_scripts') )
if ( $compress_scripts && ( ! get_option('can_compress_scripts') || $compressed_output ) )
$compress_scripts = false;
}
if ( ! isset($compress_css) ) {
$compress_css = defined('COMPRESS_CSS') ? COMPRESS_CSS : true;
if ( $compress_css && ! get_option('can_compress_scripts') )
if ( $compress_css && ( ! get_option('can_compress_scripts') || $compressed_output ) )
$compress_css = false;
}
}

2
wp-includes/version.php
View File

@ -15,6 +15,6 @@ $wp_version = '2.8-bleeding-edge';
*
* @global int $wp_db_version
*/
$wp_db_version = 9872;
$wp_db_version = 9873;
?>