Ticket #10365: 10365.diff

wp-admin/includes/misc.php

@@ -130 +130 @@
         if ((!file_exists($htaccess_file) && is_writable($home_path) && $wp_rewrite->using_mod_rewrite_permalinks()) || is_writable($htaccess_file)) {
                 if ( got_mod_rewrite() ) {
                         $rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
+                        if ( apache_mod_loaded('mod_deflate') ) {
+                                $gzip = <<<EOS
+<IfModule mod_deflate.c>
+# Insert filters
+AddOutputFilterByType DEFLATE text/plain
+AddOutputFilterByType DEFLATE text/html
+AddOutputFilterByType DEFLATE text/xml
+AddOutputFilterByType DEFLATE text/css
+AddOutputFilterByType DEFLATE application/xml
+AddOutputFilterByType DEFLATE application/xhtml+xml
+AddOutputFilterByType DEFLATE application/rss+xml
+AddOutputFilterByType DEFLATE application/javascript
+AddOutputFilterByType DEFLATE application/x-javascript
+AddOutputFilterByType DEFLATE application/x-httpd-php
+AddOutputFilterByType DEFLATE application/x-httpd-fastphp
+AddOutputFilterByType DEFLATE image/svg+xml
+
+# Drop problematic browsers
+BrowserMatch ^Mozilla/4 gzip-only-text/html
+BrowserMatch ^Mozilla/4\.0[678] no-gzip
+BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
+
+# Make sure proxies don't deliver the wrong content
+Header append Vary User-Agent env=!dont-vary
+</IfModule>
+
+EOS;
+                                $rules = $gzip . $rules;
+                        }
                         return insert_with_markers( $htaccess_file, 'WordPress', $rules );
                 }
         }