WP Super Cache - Version 1.7.4

Version Description

Release Info

Developer	donncha
Plugin	WP Super Cache
Version	1.7.4
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Code changes from version 1.7.3 to 1.7.4

Files changed (4) hide show

readme.txt +9 -3
wp-cache-phase1.php +13 -2
wp-cache-phase2.php +52 -1
wp-cache.php +92 -15

readme.txt CHANGED Viewed

	@@ -1,8 +1,8 @@
1	# WP Super Cache #
2	* Contributors: donncha, automattic
3	* Tags: performance, caching, wp-cache, wp-super-cache, cache
4	- * Tested up to: 5.7.1
5	- * Stable tag: 1.7.3
6	* Requires at least: 3.1
7	* Requires PHP: 5.2.4
8	* License: GPLv2 or later
	@@ -269,6 +269,12 @@ Your theme is probably responsive which means it resizes the page to suit whatev
269
270	## Changelog ##
271






272	### 1.7.3 ###
273	* Sanitize the settings that are written to the config file #763
274	* Fix the display of "direct cached" example urls in some circumstance. #766
	@@ -761,4 +767,4 @@ Your theme is probably responsive which means it resizes the page to suit whatev
761
762
763	## Upgrade Notice ##
764	- Security and ~~bugfix~~ release. Security issue ~~isn't~~ ~~too~~ ~~serious~~ but you should upgrade.


1	# WP Super Cache #
2	* Contributors: donncha, automattic
3	* Tags: performance, caching, wp-cache, wp-super-cache, cache
4	+ * Tested up to: 5.8.1
5	+ * Stable tag: 1.7.4
6	* Requires at least: 3.1
7	* Requires PHP: 5.2.4
8	* License: GPLv2 or later

269
270	## Changelog ##
271
272	+ ### 1.7.4 ###
273	+ * Make config file path configurable, props @sebastianpopp #755
274	+ * Stop a very rare/difficult attack when updating wp-config.php, props @guyasyou for reporting. #780
275	+ * Add textbox to add tracking parameters to ignore when caching. props @markfinst, @radex02 #777
276	+ * Add "Rejected Cookies" setting to the advanced settings page. #774
277	+
278	### 1.7.3 ###
279	* Sanitize the settings that are written to the config file #763
280	* Fix the display of "direct cached" example urls in some circumstance. #766

767
768
769	## Upgrade Notice ##
770	+ Security and new feature release. Security issue is very difficult to perform but you should upgrade.

wp-cache-phase1.php CHANGED Viewed

	@@ -5,7 +5,11 @@ if ( ! function_exists( 'wp_cache_phase2' ) ) {
5	}
6
7	// error_reporting(E_ERROR \| E_PARSE); // uncomment to debug this file!
8	- if ( ! ~~@include WP_CONTENT_DIR .~~ '~~/wp-cache-config.php~~' ) {




9	return false;
10	}
11
	@@ -77,6 +81,13 @@ if ( wpsc_is_backend() ) {
77	return true;
78	}
79







80	if ( wpsc_is_caching_user_disabled() ) {
81	wp_cache_debug( 'Caching disabled for logged in users on settings page.' );
82	return true;
	@@ -109,7 +120,7 @@ if ( function_exists( 'add_filter' ) ) { // loaded since WordPress 4.6
109	add_filter( 'supercache_filename_str', 'wp_cache_check_mobile' );
110	}
111
112	- $wp_cache_request_uri = $_SERVER['REQUEST_URI']; // Cache this in case any plugin modifies it.
113
114	if ( defined( 'DOING_CRON' ) ) {
115	extract( wp_super_cache_init() ); // $key, $cache_filename, $meta_file, $cache_file, $meta_pathname


5	}
6
7	// error_reporting(E_ERROR \| E_PARSE); // uncomment to debug this file!
8	+ if ( !defined( 'WPCACHECONFIGPATH' ) ) {
9	+ define( 'WPCACHECONFIGPATH', WP_CONTENT_DIR );
10	+ }
11	+
12	+ if ( ! @include WPCACHECONFIGPATH . '/wp-cache-config.php' ) {
13	return false;
14	}
15

81	return true;
82	}
83
84	+ if ( wpsc_is_rejected_cookie() ) {
85	+ define( 'DONOTCACHEPAGE', 1 );
86	+ $cache_enabled = false;
87	+ wp_cache_debug( 'Caching disabled because rejected cookie found.' );
88	+ return true;
89	+ }
90	+
91	if ( wpsc_is_caching_user_disabled() ) {
92	wp_cache_debug( 'Caching disabled for logged in users on settings page.' );
93	return true;

120	add_filter( 'supercache_filename_str', 'wp_cache_check_mobile' );
121	}
122
123	+ $wp_cache_request_uri = wpsc_remove_tracking_params_from_uri( $_SERVER['REQUEST_URI'] ); // Cache this in case any plugin modifies it and filter out tracking parameters.
124
125	if ( defined( 'DOING_CRON' ) ) {
126	extract( wp_super_cache_init() ); // $key, $cache_filename, $meta_file, $cache_file, $meta_pathname

wp-cache-phase2.php CHANGED Viewed

@@ -28,6 +28,36 @@ function get_wp_cache_key( $url = false ) {
             	return do_cacheaction( 'wp_cache_key', wp_cache_check_mobile( $WPSC_HTTP_HOST . $server_port . preg_replace('/#.*$/', '', str_replace( '/index.php', '/', $url ) ) . $wp_cache_gzip_encoding . wp_cache_get_cookies_values() ) );
+            }
             function wp_super_cache_init() {
             	global $wp_cache_key, $key, $blogcacheid, $file_prefix, $blog_cache_dir, $meta_file, $cache_file, $cache_filename, $meta_pathname;
@@ -1235,7 +1265,13 @@ function wp_cache_replace_line( $old, $new, $my_file ) {
+            		}
+            	}
-            -
            	$tmp_config_filename = tempnam( $GLOBALS['cache_path'], 'wpsc' );
             	rename( $tmp_config_filename, $tmp_config_filename . ".php" );
             	$tmp_config_filename .= ".php";
             	wp_cache_debug( 'wp_cache_replace_line: writing to ' . $tmp_config_filename );
@@ -1606,6 +1642,21 @@ function wp_cache_get_response_headers() {
             	return $headers;
+            }
             function wp_cache_is_rejected($uri) {
             	global $cache_rejected_uri;


28	return do_cacheaction( 'wp_cache_key', wp_cache_check_mobile( $WPSC_HTTP_HOST . $server_port . preg_replace('/#.*$/', '', str_replace( '/index.php', '/', $url ) ) . $wp_cache_gzip_encoding . wp_cache_get_cookies_values() ) );
29	}
30
31	+ function wpsc_remove_tracking_params_from_uri( $uri ) {
32	+ global $wpsc_tracking_parameters, $wpsc_ignore_tracking_parameters;
33	+
34	+ if ( ! isset( $wpsc_ignore_tracking_parameters ) \|\| ! $wpsc_ignore_tracking_parameters ) {
35	+ return $uri;
36	+ }
37	+
38	+ if ( ! isset( $wpsc_tracking_parameters ) \|\| empty( $wpsc_tracking_parameters ) ) {
39	+ return $uri;
40	+ }
41	+
42	+ $parsed_url = parse_url( $uri );
43	+ $query = array();
44	+
45	+ if ( isset( $parsed_url['query'] ) ) {
46	+ parse_str( $parsed_url['query'], $query );
47	+ foreach( $wpsc_tracking_parameters as $param_name ) {
48	+ unset( $query[$param_name] );
49	+ }
50	+ }
51	+ $path = isset( $parsed_url['path'] ) ? $parsed_url['path'] : '';
52	+ $query = ! empty( $query ) ? '?' . http_build_query( $query ) : '';
53	+
54	+ if ( $uri !== $path . $query ) {
55	+ wp_cache_debug( 'Removed tracking parameters from URL. Returning ' . $path . $query );
56	+ }
57	+
58	+ return $path . $query;
59	+ }
60	+
61	function wp_super_cache_init() {
62	global $wp_cache_key, $key, $blogcacheid, $file_prefix, $blog_cache_dir, $meta_file, $cache_file, $cache_filename, $meta_pathname;
63

1265	}
1266	}
1267
1268	+ $tmp_config_filename = tempnam( $GLOBALS['cache_path'], md5( mt_rand( 0, 9999 ) ) );
1269	+ if ( file_exists( $tmp_config_filename . '.php' ) ) {
1270	+ unlink( $tmp_config_filename . '.php' );
1271	+ if ( file_exists( $tmp_config_filename . '.php' ) ) {
1272	+ die( __( 'WARNING: attempt to intercept updating of config file.', 'wp-super-cache' ) );
1273	+ }
1274	+ }
1275	rename( $tmp_config_filename, $tmp_config_filename . ".php" );
1276	$tmp_config_filename .= ".php";
1277	wp_cache_debug( 'wp_cache_replace_line: writing to ' . $tmp_config_filename );

1642	return $headers;
1643	}
1644
1645	+ function wpsc_is_rejected_cookie() {
1646	+ global $wpsc_rejected_cookies;
1647	+ if ( false == is_array( $wpsc_rejected_cookies ) ) {
1648	+ return false;
1649	+ }
1650	+
1651	+ foreach ( $wpsc_rejected_cookies as $expr ) {
1652	+ if ( $expr !== '' && $match = preg_grep( "~$expr~", array_keys( $_COOKIE ) ) ) {
1653	+ wp_cache_debug( 'wpsc_is_rejected_cookie: found cookie: ' . $expr );
1654	+ return true;
1655	+ }
1656	+ }
1657	+ return false;
1658	+ }
1659	+
1660	function wp_cache_is_rejected($uri) {
1661	global $cache_rejected_uri;
1662

wp-cache.php CHANGED Viewed

	@@ -3,7 +3,7 @@
3	Plugin Name: WP Super Cache
4	Plugin URI: https://wordpress.org/plugins/wp-super-cache/
5	Description: Very fast caching plugin for WordPress.
6	- Version: 1.7.3
7	Author: Automattic
8	Author URI: https://automattic.com/
9	License: GPL2+
	@@ -43,7 +43,11 @@ if ( ! defined( 'PHP_VERSION_ID' ) ) {
43	function wpsc_init() {
44	global $wp_cache_config_file, $wp_cache_config_file_sample, $wpsc_advanced_cache_dist_filename, $wp_cache_check_wp_config, $wpsc_advanced_cache_filename;
45
46	- ~~$wp_cache_config_file~~ = ~~WP_CONTENT_DIR~~ . '~~/wp-cache-config.php~~';




47
48	if ( !defined( 'WPCACHEHOME' ) ) {
49	define( 'WPCACHEHOME', dirname( __FILE__ ) . '/' );
	@@ -128,7 +132,7 @@ function get_wpcachehome() {
128	} elseif ( is_file( dirname( __FILE__ ) . '/wp-super-cache/wp-cache-config-sample.php' ) ) {
129	define( 'WPCACHEHOME', dirname( __FILE__ ) . '/wp-super-cache/' );
130	} else {
131	- die( sprintf( esc_html__( 'Please create %s /wp-cache-config.php from wp-super-cache/wp-cache-config-sample.php', 'wp-super-cache' ), esc_attr( ~~WP_CONTENT_DIR~~ ) ) );
132	}
133	}
134	}
	@@ -350,11 +354,11 @@ function wp_cache_manager_error_checks() {
350	if ( !defined( 'SUBMITDISABLED' ) )
351	define( "SUBMITDISABLED", 'disabled style="color: #aaa" ' );
352	?><div class="notice notice-error"><h4><?php _e( 'Read Only Mode. Configuration cannot be changed.', 'wp-super-cache' ); ?></h4>
353	- <p><?php printf( __( 'The WP Super Cache configuration file is <code>%s/wp-cache-config.php</code> and cannot be modified. That file must be writeable by the web server to make any changes.', 'wp-super-cache' ), ~~WP_CONTENT_DIR~~ ); ?>
354	<?php _e( 'A simple way of doing that is by changing the permissions temporarily using the CHMOD command or through your ftp client. Make sure it’s globally writeable and it should be fine.', 'wp-super-cache' ); ?></p>
355	<p><?php _e( '<a href="https://codex.wordpress.org/Changing_File_Permissions">This page</a> explains how to change file permissions.', 'wp-super-cache' ); ?></p>
356	- <?php _e( 'Writeable:', 'wp-super-cache' ); ?> <code>chmod 666 <?php echo ~~WP_CONTENT_DIR~~; ?>/wp-cache-config.php</code><br />
357	- <?php _e( 'Read-only:', 'wp-super-cache' ); ?> <code>chmod 644 <?php echo ~~WP_CONTENT_DIR~~; ?>/wp-cache-config.php</code></p>
358	</div><?php
359	} elseif ( !defined( 'SUBMITDISABLED' ) ) {
360	define( "SUBMITDISABLED", ' ' );
	@@ -1142,7 +1146,9 @@ table.wpsc-settings-table {
1142	<legend class="hidden">Cache Location</legend>
1143	<input type='text' size=80 name='wp_cache_location' value='<?php echo esc_attr( $cache_path ); ?>' />
1144	<p><?php printf( __( 'Change the location of your cache files. The default is WP_CONTENT_DIR . /cache/ which translates to %s.', 'wp-super-cache' ), WP_CONTENT_DIR . '/cache/' ); ?></p>
1145	- <ol~~><li><?php _e( 'You must give the full path to the directory.', 'wp-super-cache' ); ?></li~~>


1146	<li><?php _e( 'If the directory does not exist, it will be created. Please make sure your web server user has write access to the parent directory. The parent directory must exist.', 'wp-super-cache' ); ?></li>
1147	<li><?php _e( 'If the new cache directory does not exist, it will be created and the contents of the old cache directory will be moved there. Otherwise, the old cache directory will be left where it is.', 'wp-super-cache' ); ?></li>
1148	<li><?php _e( 'Submit a blank entry to set it to the default directory, WP_CONTENT_DIR . /cache/.', 'wp-super-cache' ); ?></li>
	@@ -1172,6 +1178,7 @@ table.wpsc-settings-table {
1172	<li><?php printf( __( 'If uninstalling this plugin, make sure the directory <em>%s</em> is writeable by the webserver so the files <em>advanced-cache.php</em> and <em>cache-config.php</em> can be deleted automatically. (Making sure those files are writeable is probably a good idea!)', 'wp-super-cache' ), esc_attr( WP_CONTENT_DIR ) ); ?></li>
1173	<li><?php printf( __( 'Please see the <a href="%1$s/wp-super-cache/readme.txt">readme.txt</a> for instructions on uninstalling this script. Look for the heading, "How to uninstall WP Super Cache".', 'wp-super-cache' ), plugins_url() ); ?></li>
1174	<li><?php echo '<em>' . sprintf( __( 'Need help? Check the <a href="%1$s">Super Cache readme file</a>. It includes installation documentation, a FAQ and Troubleshooting tips. The <a href="%2$s">support forum</a> is also available. Your question may already have been answered.', 'wp-super-cache' ), 'https://wordpress.org/plugins/wp-super-cache/', 'https://wordpress.org/support/topic-tag/wp-super-cache/?forum_id=10' ) . '</em>'; ?></li>

1175	</ol>
1176
1177	<?php
	@@ -1189,9 +1196,13 @@ table.wpsc-settings-table {
1189	echo "\n";
1190	wp_cache_edit_rejected();
1191	echo "\n";


1192	wp_cache_edit_accepted();
1193	echo '</fieldset>';
1194


1195	wp_cache_edit_rejected_ua();
1196
1197	wp_lock_down();
	@@ -1979,6 +1990,72 @@ function wp_cache_edit_rejected_pages() {
1979
1980	}
1981


































































1982	function wp_cache_update_rejected_strings() {
1983	global $cache_rejected_uri, $wp_cache_config_file, $valid_nonce;
1984
	@@ -1995,7 +2072,7 @@ function wp_cache_edit_rejected() {
1995	$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
1996	wp_cache_update_rejected_strings();
1997
1998	- echo '<a name="rejecturi"></a>';
1999	echo '<form name="wp_edit_rejected" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#rejecturi' ) . '" method="post">';
2000	echo "<p>" . __( 'Add here strings (not a filename) that forces a page not to be cached. For example, if your URLs include year and you dont want to cache last year posts, it’s enough to specify the year, i.e. ’/2004/’. WP-Cache will search if that string is part of the URI and if so, it will not cache that page.', 'wp-super-cache' ) . "</p>\n";
2001	echo '<textarea name="wp_rejected_uri" cols="40" rows="4" style="width: 50%; font-size: 12px;" class="code">';
	@@ -2023,7 +2100,7 @@ function wp_cache_edit_accepted() {
2023	wp_cache_update_accepted_strings();
2024	$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
2025
2026	- echo '<a name="cancache"></a>';
2027	echo '<div style="clear:both"></div><form name="wp_edit_accepted" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#cancache' ) . '" method="post">';
2028	echo "<p>" . __( 'Add here those filenames that can be cached, even if they match one of the rejected substring specified above.', 'wp-super-cache' ) . "</p>\n";
2029	echo '<textarea name="wp_accepted_files" cols="40" rows="8" style="width: 50%; font-size: 12px;" class="code">';
	@@ -3809,16 +3886,16 @@ function wp_cache_disable_plugin( $delete_config_file = true ) {
3809	$file_not_deleted = false;
3810	wpsc_remove_advanced_cache();
3811	if ( @file_exists( WP_CONTENT_DIR . "/advanced-cache.php" ) ) {
3812	- $file_not_deleted[] = 'advanced-cache.php';
3813	}
3814	- if ( $delete_config_file && @file_exists( ~~WP_CONTENT_DIR~~ . "/wp-cache-config.php" ) ) {
3815	- if ( false == unlink( ~~WP_CONTENT_DIR~~ . "/wp-cache-config.php" ) )
3816	- $file_not_deleted[] = 'wp-cache-config.php';
3817	}
3818	if ( $file_not_deleted ) {
3819	$msg = __( "Dear User,\n\nWP Super Cache was removed from your blog or deactivated but some files could\nnot be deleted.\n\n", 'wp-super-cache' );
3820	- foreach( (array)$file_not_deleted as $~~filename~~ ) {
3821	- $msg .= ~~WP_CONTENT_DIR .~~ "/{$~~filename~~}\n";
3822	}
3823	$msg .= "\n";
3824	$msg .= sprintf( __( "You should delete these files manually.\nYou may need to change the permissions of the files or parent directory.\nYou can read more about this in the Codex at\n%s\n\nThank you.", 'wp-super-cache' ), 'https://codex.wordpress.org/Changing_File_Permissions#About_Chmod' );


3	Plugin Name: WP Super Cache
4	Plugin URI: https://wordpress.org/plugins/wp-super-cache/
5	Description: Very fast caching plugin for WordPress.
6	+ Version: 1.7.4
7	Author: Automattic
8	Author URI: https://automattic.com/
9	License: GPL2+

43	function wpsc_init() {
44	global $wp_cache_config_file, $wp_cache_config_file_sample, $wpsc_advanced_cache_dist_filename, $wp_cache_check_wp_config, $wpsc_advanced_cache_filename;
45
46	+ if ( !defined( 'WPCACHECONFIGPATH' ) ) {
47	+ define( 'WPCACHECONFIGPATH', WP_CONTENT_DIR );
48	+ }
49	+
50	+ $wp_cache_config_file = WPCACHECONFIGPATH . '/wp-cache-config.php';
51
52	if ( !defined( 'WPCACHEHOME' ) ) {
53	define( 'WPCACHEHOME', dirname( __FILE__ ) . '/' );

132	} elseif ( is_file( dirname( __FILE__ ) . '/wp-super-cache/wp-cache-config-sample.php' ) ) {
133	define( 'WPCACHEHOME', dirname( __FILE__ ) . '/wp-super-cache/' );
134	} else {
135	+ die( sprintf( esc_html__( 'Please create %s/wp-cache-config.php from wp-super-cache/wp-cache-config-sample.php', 'wp-super-cache' ), esc_attr( WPCACHECONFIGPATH ) ) );
136	}
137	}
138	}

354	if ( !defined( 'SUBMITDISABLED' ) )
355	define( "SUBMITDISABLED", 'disabled style="color: #aaa" ' );
356	?><div class="notice notice-error"><h4><?php _e( 'Read Only Mode. Configuration cannot be changed.', 'wp-super-cache' ); ?></h4>
357	+ <p><?php printf( __( 'The WP Super Cache configuration file is <code>%s/wp-cache-config.php</code> and cannot be modified. That file must be writeable by the web server to make any changes.', 'wp-super-cache' ), WPCACHECONFIGPATH ); ?>
358	<?php _e( 'A simple way of doing that is by changing the permissions temporarily using the CHMOD command or through your ftp client. Make sure it’s globally writeable and it should be fine.', 'wp-super-cache' ); ?></p>
359	<p><?php _e( '<a href="https://codex.wordpress.org/Changing_File_Permissions">This page</a> explains how to change file permissions.', 'wp-super-cache' ); ?></p>
360	+ <?php _e( 'Writeable:', 'wp-super-cache' ); ?> <code>chmod 666 <?php echo WPCACHECONFIGPATH; ?>/wp-cache-config.php</code><br />
361	+ <?php _e( 'Read-only:', 'wp-super-cache' ); ?> <code>chmod 644 <?php echo WPCACHECONFIGPATH; ?>/wp-cache-config.php</code></p>
362	</div><?php
363	} elseif ( !defined( 'SUBMITDISABLED' ) ) {
364	define( "SUBMITDISABLED", ' ' );

1146	<legend class="hidden">Cache Location</legend>
1147	<input type='text' size=80 name='wp_cache_location' value='<?php echo esc_attr( $cache_path ); ?>' />
1148	<p><?php printf( __( 'Change the location of your cache files. The default is WP_CONTENT_DIR . /cache/ which translates to %s.', 'wp-super-cache' ), WP_CONTENT_DIR . '/cache/' ); ?></p>
1149	+ <ol>
1150	+ <li><?php _e( 'Warning: do not use a shared directory like /tmp/ where other users on this server can modify files. Your cache files could be modified to deface your website.', 'wp-super-cache' ); ?></li>
1151	+ <li><?php _e( 'You must give the full path to the directory.', 'wp-super-cache' ); ?></li>
1152	<li><?php _e( 'If the directory does not exist, it will be created. Please make sure your web server user has write access to the parent directory. The parent directory must exist.', 'wp-super-cache' ); ?></li>
1153	<li><?php _e( 'If the new cache directory does not exist, it will be created and the contents of the old cache directory will be moved there. Otherwise, the old cache directory will be left where it is.', 'wp-super-cache' ); ?></li>
1154	<li><?php _e( 'Submit a blank entry to set it to the default directory, WP_CONTENT_DIR . /cache/.', 'wp-super-cache' ); ?></li>

1178	<li><?php printf( __( 'If uninstalling this plugin, make sure the directory <em>%s</em> is writeable by the webserver so the files <em>advanced-cache.php</em> and <em>cache-config.php</em> can be deleted automatically. (Making sure those files are writeable is probably a good idea!)', 'wp-super-cache' ), esc_attr( WP_CONTENT_DIR ) ); ?></li>
1179	<li><?php printf( __( 'Please see the <a href="%1$s/wp-super-cache/readme.txt">readme.txt</a> for instructions on uninstalling this script. Look for the heading, "How to uninstall WP Super Cache".', 'wp-super-cache' ), plugins_url() ); ?></li>
1180	<li><?php echo '<em>' . sprintf( __( 'Need help? Check the <a href="%1$s">Super Cache readme file</a>. It includes installation documentation, a FAQ and Troubleshooting tips. The <a href="%2$s">support forum</a> is also available. Your question may already have been answered.', 'wp-super-cache' ), 'https://wordpress.org/plugins/wp-super-cache/', 'https://wordpress.org/support/topic-tag/wp-super-cache/?forum_id=10' ) . '</em>'; ?></li>
1181	+ <li><?php _e( 'The location of the plugin configuration file can be changed by defining the WPCACHECONFIGPATH constant in wp-config.php. If not defined it will be set to WP_CONTENT_DIR.', 'wp-super-cache' ); ?></li>
1182	</ol>
1183
1184	<?php

1196	echo "\n";
1197	wp_cache_edit_rejected();
1198	echo "\n";
1199	+ wp_cache_edit_rejected_cookies();
1200	+ echo "\n";
1201	wp_cache_edit_accepted();
1202	echo '</fieldset>';
1203
1204	+ wpsc_edit_tracking_parameters();
1205	+
1206	wp_cache_edit_rejected_ua();
1207
1208	wp_lock_down();

1990
1991	}
1992
1993	+ function wpsc_update_tracking_parameters() {
1994	+ global $wpsc_tracking_parameters, $valid_nonce, $wp_cache_config_file;
1995	+
1996	+ if ( isset( $_POST['tracking_parameters'] ) && $valid_nonce ) {
1997	+ $text = wp_cache_sanitize_value( str_replace( '\\\\', '\\', $_POST['tracking_parameters'] ), $wpsc_tracking_parameters );
1998	+ wp_cache_replace_line( '^ *\$wpsc_tracking_parameters', "\$wpsc_tracking_parameters = $text;", $wp_cache_config_file );
1999	+ wp_cache_setting( 'wpsc_ignore_tracking_parameters', isset( $_POST['wpsc_ignore_tracking_parameters'] ) ? 1 : 0 );
2000	+ }
2001	+ }
2002	+
2003	+ function wpsc_edit_tracking_parameters() {
2004	+ global $wpsc_tracking_parameters, $wpsc_ignore_tracking_parameters;
2005	+
2006	+ $admin_url = admin_url( 'options-general.php?page=wpsupercache' );
2007	+ wpsc_update_tracking_parameters();
2008	+
2009	+ if ( ! isset( $wpsc_tracking_parameters ) ) {
2010	+ $wpsc_tracking_parameters = array( 'fbclid', 'ref', 'gclid', 'fb_source', 'mc_cid', 'mc_eid', 'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'utm_expid', 'mtm_source', 'mtm_medium', 'mtm_campaign', 'mtm_keyword', 'mtm_content', 'mtm_cid', 'mtm_group', 'mtm_placement' );
2011	+ }
2012	+
2013	+ if ( ! isset( $wpsc_ignore_tracking_parameters ) ) {
2014	+ $wpsc_ignore_tracking_parameters = 0;
2015	+ }
2016	+
2017	+ echo '<a name="trackingparameters"></a><fieldset class="options"><h4>' . __( 'Tracking Parameters', 'wp-super-cache' ) . '</h4>';
2018	+ echo '<form name="edit_tracking_parameters" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#trackingparameters' ) . '" method="post">';
2019	+ echo "<p>" . __( 'Tracking parameters to ignore when caching. Visitors from Facebook, Twitter and elsewhere to your website will go to a URL with tracking parameters added. This setting allows the plugin to ignore those parameters and show an already cached page. Any actual tracking by Google Analytics or other Javascript based code should still work as the URL of the page is not modified.', 'wp-super-cache' ) . "</p>\n";
2020	+ echo '<textarea name="tracking_parameters" cols="20" rows="10" style="width: 50%; font-size: 12px;" class="code">';
2021	+ foreach ( $wpsc_tracking_parameters as $parameter) {
2022	+ echo esc_html( $parameter ) . "\n";
2023	+ }
2024	+ echo '</textarea> ';
2025	+ echo "<p><label><input type='checkbox' name='wpsc_ignore_tracking_parameters' value='1' " . checked( 1, $wpsc_ignore_tracking_parameters, false ) . " /> " . __( 'Enable', 'wp-super-cache' ) . "</label></p>";
2026	+ echo '<div class="submit"><input class="button-primary" type="submit" ' . SUBMITDISABLED . 'value="' . __( 'Save', 'wp-super-cache' ) . '" /></div>';
2027	+ wp_nonce_field('wp-cache');
2028	+ echo "</form>\n";
2029	+ }
2030	+
2031	+ function wp_cache_update_rejected_cookies() {
2032	+ global $wpsc_rejected_cookies, $wp_cache_config_file, $valid_nonce;
2033	+
2034	+ if ( isset( $_POST['wp_rejected_cookies'] ) && $valid_nonce ) {
2035	+ $text = wp_cache_sanitize_value( str_replace( '\\\\', '\\', $_POST['wp_rejected_cookies'] ), $wpsc_rejected_cookies );
2036	+ wp_cache_replace_line( '^ *\$wpsc_rejected_cookies', "\$wpsc_rejected_cookies = $text;", $wp_cache_config_file );
2037	+ }
2038	+ }
2039	+
2040	+ function wp_cache_edit_rejected_cookies() {
2041	+ global $wpsc_rejected_cookies;
2042	+
2043	+ $admin_url = admin_url( 'options-general.php?page=wpsupercache' );
2044	+ wp_cache_update_rejected_cookies();
2045	+
2046	+ echo '<a name="rejectcookies"></a><fieldset class="options"><h4>' . __( 'Rejected Cookies', 'wp-super-cache' ) . '</h4>';
2047	+ echo '<form name="wp_edit_rejected_cookies" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#rejectcookies' ) . '" method="post">';
2048	+ echo "<p>" . __( 'Do not cache pages when these cookies are set. Add the cookie names here, one per line. Matches on fragments, so "test" will match "WordPress_test_cookie". (Simple caching only)', 'wp-super-cache' ) . "</p>\n";
2049	+ echo '<textarea name="wp_rejected_cookies" cols="40" rows="4" style="width: 50%; font-size: 12px;" class="code">';
2050	+ foreach ( $wpsc_rejected_cookies as $file) {
2051	+ echo esc_html( $file ) . "\n";
2052	+ }
2053	+ echo '</textarea> ';
2054	+ echo '<div class="submit"><input class="button-primary" type="submit" ' . SUBMITDISABLED . 'value="' . __( 'Save', 'wp-super-cache' ) . '" /></div>';
2055	+ wp_nonce_field('wp-cache');
2056	+ echo "</form>\n";
2057	+ }
2058	+
2059	function wp_cache_update_rejected_strings() {
2060	global $cache_rejected_uri, $wp_cache_config_file, $valid_nonce;
2061

2072	$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
2073	wp_cache_update_rejected_strings();
2074
2075	+ echo '<a name="rejecturi"></a><fieldset class="options"><h4>' . __( 'Rejected URL Strings', 'wp-super-cache' ) . '</h4>';
2076	echo '<form name="wp_edit_rejected" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#rejecturi' ) . '" method="post">';
2077	echo "<p>" . __( 'Add here strings (not a filename) that forces a page not to be cached. For example, if your URLs include year and you dont want to cache last year posts, it’s enough to specify the year, i.e. ’/2004/’. WP-Cache will search if that string is part of the URI and if so, it will not cache that page.', 'wp-super-cache' ) . "</p>\n";
2078	echo '<textarea name="wp_rejected_uri" cols="40" rows="4" style="width: 50%; font-size: 12px;" class="code">';

2100	wp_cache_update_accepted_strings();
2101	$admin_url = admin_url( 'options-general.php?page=wpsupercache' );
2102
2103	+ echo '<a name="cancache"></a><fieldset class="options"><h4>' . __( 'Always Cache Filenames', 'wp-super-cache' ) . '</h4>';
2104	echo '<div style="clear:both"></div><form name="wp_edit_accepted" action="' . esc_url_raw( add_query_arg( 'tab', 'settings', $admin_url ) . '#cancache' ) . '" method="post">';
2105	echo "<p>" . __( 'Add here those filenames that can be cached, even if they match one of the rejected substring specified above.', 'wp-super-cache' ) . "</p>\n";
2106	echo '<textarea name="wp_accepted_files" cols="40" rows="8" style="width: 50%; font-size: 12px;" class="code">';

3886	$file_not_deleted = false;
3887	wpsc_remove_advanced_cache();
3888	if ( @file_exists( WP_CONTENT_DIR . "/advanced-cache.php" ) ) {
3889	+ $file_not_deleted[] = WP_CONTENT_DIR . '/advanced-cache.php';
3890	}
3891	+ if ( $delete_config_file && @file_exists( WPCACHECONFIGPATH . "/wp-cache-config.php" ) ) {
3892	+ if ( false == unlink( WPCACHECONFIGPATH . "/wp-cache-config.php" ) )
3893	+ $file_not_deleted[] = WPCACHECONFIGPATH . '/wp-cache-config.php';
3894	}
3895	if ( $file_not_deleted ) {
3896	$msg = __( "Dear User,\n\nWP Super Cache was removed from your blog or deactivated but some files could\nnot be deleted.\n\n", 'wp-super-cache' );
3897	+ foreach( (array)$file_not_deleted as $path ) {
3898	+ $msg .= "{$path}\n";
3899	}
3900	$msg .= "\n";
3901	$msg .= sprintf( __( "You should delete these files manually.\nYou may need to change the permissions of the files or parent directory.\nYou can read more about this in the Codex at\n%s\n\nThank you.", 'wp-super-cache' ), 'https://codex.wordpress.org/Changing_File_Permissions#About_Chmod' );