save_configuration( $options, POWERED_CACHE_IS_NETWORK );
// drop object cache on backend changes
if ( isset( $options['object_cache'] ) && $old_options['object_cache'] !== $options['object_cache'] ) {
wp_cache_flush();
}
// maybe cancel preloading process when it turned off
if ( $old_options['enable_cache_preload'] && ! $options['enable_cache_preload'] ) {
cancel_preloading();
}
// cleanup existing cache on toggling cache option
if ( $old_options['enable_page_cache'] && ! $options['enable_page_cache'] ) {
clean_site_cache_dir();
}
if ( $old_options['cache_timeout'] !== $options['cache_timeout'] ) {
$timestamp = wp_next_scheduled( PURGE_CACHE_CRON_NAME );
wp_unschedule_event( $timestamp, PURGE_CACHE_CRON_NAME );
}
/**
* Fires after saving configurations.
*
* @hook powered_cache_settings_saved
*
* @param {array} $old_options Old settings.
* @param {array} $options New settings.
*
* @since 1.0
*/
do_action( 'powered_cache_settings_saved', $old_options, $options );
$redirect_url = wp_get_referer();
if ( empty( $redirect_url ) ) {
$redirect_url = $_SERVER['REQUEST_URI'];
}
$redirect_url = add_query_arg(
[
'pc_action' => $action,
],
$redirect_url
);
wp_safe_redirect( $redirect_url );
exit;
}
}
/**
* Sanitize options
*
* @param array $options Raw input, most likely $_POST request
*
* @return array|mixed Sanitized options
*/
function sanitize_options( $options ) {
$sanitized_options = [];
if ( isset( $options['object_cache'] ) && in_array( $options['object_cache'], get_available_object_caches(), true ) ) {
$sanitized_options['object_cache'] = sanitize_text_field( $options['object_cache'] );
} else {
$sanitized_options['object_cache'] = 'off';
}
$sanitized_options['enable_page_cache'] = ! empty( $options['enable_page_cache'] );
$sanitized_options['cache_mobile'] = ! empty( $options['cache_mobile'] );
$sanitized_options['cache_mobile_separate_file'] = ! empty( $options['cache_mobile_separate_file'] );
$sanitized_options['loggedin_user_cache'] = ! empty( $options['loggedin_user_cache'] );
$sanitized_options['gzip_compression'] = ! empty( $options['gzip_compression'] );
$sanitized_options['cache_timeout'] = absint( $options['cache_timeout'] );
$sanitized_options['auto_configure_htaccess'] = ! empty( $options['auto_configure_htaccess'] );
$sanitized_options['rejected_user_agents'] = sanitize_textarea_field( $options['rejected_user_agents'] );
$sanitized_options['rejected_cookies'] = sanitize_textarea_field( $options['rejected_cookies'] );
$sanitized_options['vary_cookies'] = sanitize_textarea_field( $options['vary_cookies'] );
$sanitized_options['rejected_uri'] = sanitize_textarea_field( $options['rejected_uri'] );
$sanitized_options['accepted_query_strings'] = sanitize_textarea_field( $options['accepted_query_strings'] );
$sanitized_options['purge_additional_pages'] = sanitize_textarea_field( $options['purge_additional_pages'] );
$sanitized_options['purge_additional_pages'] = sanitize_textarea_field( $options['purge_additional_pages'] );
$sanitized_options['minify_html'] = ! empty( $options['minify_html'] );
$sanitized_options['combine_google_fonts'] = ! empty( $options['combine_google_fonts'] );
$sanitized_options['minify_css'] = ! empty( $options['minify_css'] );
$sanitized_options['combine_css'] = ! empty( $options['combine_css'] );
$sanitized_options['excluded_css_files'] = sanitize_textarea_field( $options['excluded_css_files'] );
$sanitized_options['minify_js'] = ! empty( $options['minify_js'] );
$sanitized_options['combine_js'] = ! empty( $options['combine_js'] );
$sanitized_options['excluded_js_files'] = sanitize_textarea_field( $options['excluded_js_files'] );
$sanitized_options['excluded_js_files'] = sanitize_textarea_field( $options['excluded_js_files'] );
$sanitized_options['js_execution_method'] = sanitize_text_field( $options['js_execution_method'] );
$sanitized_options['js_execution_optimized_only'] = ! empty( $options['js_execution_optimized_only'] );
$sanitized_options['enable_lazy_load'] = ! empty( $options['enable_lazy_load'] );
$sanitized_options['lazy_load_post_content'] = ! empty( $options['lazy_load_post_content'] );
$sanitized_options['lazy_load_images'] = ! empty( $options['lazy_load_images'] );
$sanitized_options['lazy_load_iframes'] = ! empty( $options['lazy_load_iframes'] );
$sanitized_options['lazy_load_widgets'] = ! empty( $options['lazy_load_widgets'] );
$sanitized_options['lazy_load_post_thumbnail'] = ! empty( $options['lazy_load_post_thumbnail'] );
$sanitized_options['lazy_load_avatars'] = ! empty( $options['lazy_load_avatars'] );
$sanitized_options['disable_wp_lazy_load'] = ! empty( $options['disable_wp_lazy_load'] );
$sanitized_options['disable_wp_embeds'] = ! empty( $options['disable_wp_embeds'] );
$sanitized_options['disable_emoji_scripts'] = ! empty( $options['disable_emoji_scripts'] );
$sanitized_options['enable_cdn'] = ! empty( $options['enable_cdn'] );
// convert TTL in minute
if ( $options['cache_timeout'] > 0 && isset( $options['cache_timeout_interval'] ) ) {
switch ( $options['cache_timeout_interval'] ) {
case 'DAY':
$sanitized_options['cache_timeout'] = $options['cache_timeout'] * 1440;
break;
case 'HOUR':
$sanitized_options['cache_timeout'] = $options['cache_timeout'] * 60;
break;
case 'MINUTE':
default:
$sanitized_options['cache_timeout'] = $options['cache_timeout'] * 1;
}
}
$cdn_hostname = [];
if ( isset( $options['cdn_hostname'] ) ) {
foreach ( (array) $options['cdn_hostname'] as $hostname ) {
$cdn_hostname[] = esc_url_raw( $hostname );
}
}
$cdn_zone = [];
if ( isset( $options['cdn_zone'] ) ) {
foreach ( (array) $options['cdn_zone'] as $zone ) {
$cdn_zone[] = sanitize_text_field( $zone );
}
}
$sanitized_options['cdn_hostname'] = $cdn_hostname;
$sanitized_options['cdn_zone'] = $cdn_zone;
$sanitized_options['cdn_rejected_files'] = sanitize_textarea_field( $options['cdn_rejected_files'] );
$sanitized_options['enable_cache_preload'] = ! empty( $options['enable_cache_preload'] );
$sanitized_options['preload_homepage'] = ! empty( $options['preload_homepage'] );
$sanitized_options['preload_public_posts'] = ! empty( $options['preload_public_posts'] );
$sanitized_options['preload_public_tax'] = ! empty( $options['preload_public_tax'] );
$sanitized_options['enable_sitemap_preload'] = ! empty( $options['enable_sitemap_preload'] );
$sanitized_options['preload_sitemap'] = sanitize_textarea_field( $options['preload_sitemap'] );
$sanitized_options['prefetch_dns'] = sanitize_textarea_field( $options['prefetch_dns'] );
$sanitized_options['db_cleanup_post_revisions'] = ! empty( $options['db_cleanup_post_revisions'] );
$sanitized_options['db_cleanup_auto_drafts'] = ! empty( $options['db_cleanup_auto_drafts'] );
$sanitized_options['db_cleanup_trashed_posts'] = ! empty( $options['db_cleanup_trashed_posts'] );
$sanitized_options['db_cleanup_spam_comments'] = ! empty( $options['db_cleanup_spam_comments'] );
$sanitized_options['db_cleanup_trashed_comments'] = ! empty( $options['db_cleanup_trashed_comments'] );
$sanitized_options['db_cleanup_expired_transients'] = ! empty( $options['db_cleanup_expired_transients'] );
$sanitized_options['db_cleanup_all_transients'] = ! empty( $options['db_cleanup_all_transients'] );
$sanitized_options['db_cleanup_optimize_tables'] = ! empty( $options['db_cleanup_optimize_tables'] );
$sanitized_options['enable_scheduled_db_cleanup'] = ! empty( $options['enable_scheduled_db_cleanup'] );
$sanitized_options['scheduled_db_cleanup_frequency'] = sanitize_text_field( $options['scheduled_db_cleanup_frequency'] );
$sanitized_options['enable_cloudflare'] = ! empty( $options['enable_cloudflare'] );
$sanitized_options['cloudflare_email'] = sanitize_email( $options['cloudflare_email'] );
$sanitized_options['cloudflare_api_key'] = sanitize_text_field( $options['cloudflare_api_key'] );
$sanitized_options['cloudflare_zone'] = sanitize_text_field( $options['cloudflare_zone'] );
$sanitized_options['enable_heartbeat'] = ! empty( $options['enable_heartbeat'] );
$sanitized_options['heartbeat_dashboard_status'] = sanitize_text_field( $options['heartbeat_dashboard_status'] );
$sanitized_options['heartbeat_editor_status'] = sanitize_text_field( $options['heartbeat_editor_status'] );
$sanitized_options['heartbeat_frontend_status'] = sanitize_text_field( $options['heartbeat_frontend_status'] );
$sanitized_options['heartbeat_dashboard_interval'] = absint( $options['heartbeat_dashboard_interval'] );
$sanitized_options['heartbeat_editor_interval'] = absint( $options['heartbeat_editor_interval'] );
$sanitized_options['heartbeat_frontend_interval'] = absint( $options['heartbeat_frontend_interval'] );
$sanitized_options['enable_varnish'] = ! empty( $options['enable_varnish'] );
$sanitized_options['varnish_ip'] = sanitize_text_field( $options['varnish_ip'] );
$sanitized_options['cache_footprint'] = ! empty( $options['cache_footprint'] );
$sanitized_options['enable_google_tracking'] = ! empty( $options['enable_google_tracking'] );
$sanitized_options['enable_fb_tracking'] = ! empty( $options['enable_fb_tracking'] );
/**
* Filters sanitized options.
*
* @hook powered_cache_sanitized_options
*
* @param {array} $sanitized_options Sanitized options.
* @param {array} $options raw input.
*
* @return {array} New value.
*
* @since 2.0
*/
return apply_filters( 'powered_cache_sanitized_options', $sanitized_options, $options );
}
/**
* Add base admin bar menu
*
* @param object $wp_admin_bar Admin bar object
*
* @since 2.0
*/
function admin_bar_menu( $wp_admin_bar ) {
$href = admin_url( 'admin.php?page=powered-cache' );
if ( POWERED_CACHE_IS_NETWORK && current_user_can( 'manage_network' ) ) {
$href = network_admin_url( 'admin.php?page=powered-cache' );
}
if ( POWERED_CACHE_IS_NETWORK && ! current_user_can( 'manage_network' ) ) {
$href = '#';
}
if ( current_user_can( 'manage_options' ) ) {
$wp_admin_bar->add_menu(
array(
'id' => MENU_SLUG,
'title' => __( 'Powered Cache', 'powered-cache' ),
'href' => $href,
)
);
}
}
/**
* Maybe display feedback messages when certain action is taken
*
* @since 2.0
*/
function maybe_display_message() {
// phpcs:disable WordPress.Security.NonceVerification.Recommended
if ( ! isset( $_GET['pc_action'] ) ) {
return;
}
/**
* Dont display multiple message when saving the options while having the query_params
*/
if ( ! empty( $_POST ) ) {
return;
}
$screen = get_current_screen();
$success_messages = [
'flush_page_cache_network' => esc_html__( 'Page cache deleted for all websites!', 'powered-cache' ),
'flush_page_cache' => esc_html__( 'Page cache deleted successfully!', 'powered-cache' ),
'flush_object_cache' => esc_html__( 'Object cache deleted successfully!', 'powered-cache' ),
'flush_all_cache' => esc_html__( 'All cached items flushed successfully!', 'powered-cache' ),
'start_preload' => esc_html__( 'The cache preloading has been initialized!', 'powered-cache' ),
'flush_cf_cache' => esc_html__( 'Cloudflare cache flushed, it can take up to 30 seconds to delete all cache from Cloudflare!', 'powered-cache' ),
'reset_settings' => esc_html__( 'Settings have been reset!', 'powered-cache' ),
'import_settings' => esc_html__( 'Settings have been imported!', 'powered-cache' ),
'save_settings_and_optimize' => esc_html__( 'Settings saved and database being optimized...', 'powered-cache' ),
'save_settings' => esc_html__( 'Settings saved.', 'powered-cache' ),
];
$err_messages = [
'flush_page_cache_network_err_permission' => esc_html__( 'You don\'t have permission to perform this action!', 'powered-cache' ),
'flush_page_cache_err_permission' => esc_html__( 'You don\'t have permission to perform this action!', 'powered-cache' ),
'flush_object_cache_err_permission' => esc_html__( 'You don\'t have permission to perform this action!', 'powered-cache' ),
'flush_all_cache_err_permission' => esc_html__( 'You don\'t have permission to perform this action!', 'powered-cache' ),
'start_preload_err_permission' => esc_html__( 'You don\'t have permission to perform this action!', 'powered-cache' ),
'flush_cf_cache_failed' => esc_html__( 'Could not flush Cloudflare cache. Please make sure you entered the correct credentials and zone id!', 'powered-cache' ),
];
if ( isset( $success_messages[ $_GET['pc_action'] ] ) ) {
if ( MENU_SLUG === $screen->parent_base ) { // display with shared-ui on plugin page
add_settings_error( $screen->parent_file, MENU_SLUG, $success_messages[ $_GET['pc_action'] ], 'success' );
return;
}
printf( '', $success_messages[ $_GET['pc_action'] ] ); // phpcs:ignore
}
if ( isset( $err_messages[ $_GET['pc_action'] ] ) ) {
if ( MENU_SLUG === $screen->parent_base ) { // display with shared-ui on plugin page
add_settings_error( $screen->parent_file, MENU_SLUG, $err_messages[ $_GET['pc_action'] ], 'error' );
return;
}
printf( '', $err_messages[ $_GET['pc_action'] ] ); // phpcs:ignore
}
// phpcs:enable WordPress.Security.NonceVerification.Recommended
}
/**
* Adds `Purge All Cache` menu bar item
*
* @param object $wp_admin_bar Admin bar object
*
* @since 1.1
*/
function purge_all_admin_bar_menu( $wp_admin_bar ) {
// Only available for the network admins on multisite.
if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
return;
}
$wp_admin_bar->add_menu(
array(
'id' => 'all-cache-purge',
'title' => __( 'Purge All Cache', 'powered-cache' ),
'href' => wp_nonce_url( admin_url( 'admin-post.php?action=powered_cache_purge_all_cache' ), 'powered_cache_purge_all_cache' ),
'parent' => 'powered-cache',
)
);
}
/**
* Purges all cache related things
*
* @since 1.1
*/
function purge_all_cache() {
if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_purge_all_cache' ) ) {
wp_nonce_ays( '' );
}
if ( is_multisite() && ! current_user_can( 'manage_network' ) ) {
$redirect_url = add_query_arg( 'pc_action', 'flush_all_cache_err_permission', wp_get_referer() );
wp_safe_redirect( $redirect_url );
exit;
}
powered_cache_flush();// cleans object cache + page cache dir
/**
* Fires after purging all cache
*
* @hook powered_cache_purge_all_cache
*
* @since 1.1
*/
do_action( 'powered_cache_purge_all_cache' );
$redirect_url = add_query_arg( 'pc_action', 'flush_all_cache', wp_get_referer() );
wp_safe_redirect( $redirect_url );
exit;
}
/**
* Downloads proper configuration file
*
* @since 1.1
*/
function download_rewrite_config() {
if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'powered_cache_download_rewrite' ) ) {
wp_nonce_ays( '' );
}
if ( ! can_control_all_settings() ) {
wp_safe_redirect( wp_get_referer() );
exit;
}
$server = $_GET['server'];
Config::factory()->download_rewrite_rules( $server );
wp_safe_redirect( wp_get_referer() );
die();
}
/**
* Run DB optimization
*
* @param array $options plugin settings
*/
function db_optimize( $options ) {
$powered_cache_db_optimizer = DatabaseOptimizer::factory();
$supported_options = $powered_cache_db_optimizer->get_supported_options();
if ( POWERED_CACHE_IS_NETWORK ) {
$sites = get_sites();
foreach ( $sites as $site ) {
switch_to_blog( $site->blog_id );
foreach ( $supported_options as $optimization_item ) {
if ( $options[ $optimization_item ] ) {
$powered_cache_db_optimizer->push_to_queue( $optimization_item );
}
}
$powered_cache_db_optimizer->save()->dispatch();
restore_current_blog();
}
} else {
foreach ( $supported_options as $optimization_item ) {
if ( $options[ $optimization_item ] ) {
$powered_cache_db_optimizer->push_to_queue( $optimization_item );
}
}
$powered_cache_db_optimizer->save()->dispatch();
}
}
/**
* Cancel preloading process on toggling preload option
*/
function cancel_preloading() {
\PoweredCache\Utils\log( 'Cancel preload process' );
$cache_preloader = CachePreloader::factory();
$cache_preloader->cancel_process();
}
/**
* Perform diagnostic checks
*/
function run_diagnostic() {
global $is_apache;
$nonce = $_POST['nonce'];
if ( wp_verify_nonce( $nonce, 'powered_cache_run_diagnostic' ) ) {
$settings = \PoweredCache\Utils\get_settings();
$checks = array();
// check config file
$config_file = Config::factory()->find_wp_config_file();
$config_file_status = is_writeable( $config_file );
if ( $config_file_status ) {
$config_file_desc = esc_html__( 'wp-config.php is writable.', 'powered-cache' );
} else {
$config_file_desc = sprintf( __( 'wp-config.php is not writable. Please make sure the file writable or you can manually define %s constant.', 'powered-cache' ), 'WP_CACHE' );
}
$checks[] = array(
'check' => 'config',
'status' => $config_file_status,
'description' => $config_file_desc,
);
// check cache directory
$cache_dir = get_cache_dir();
$cache_dir_status = false;
if ( ! file_exists( $cache_dir ) ) {
$cache_dir_desc = sprintf( __( 'Cache directory %s is not exist!', 'powered-cache' ), '' . $cache_dir . '' );
} elseif ( ! is_writeable( $cache_dir ) ) {
$cache_dir_desc = sprintf( __( 'Cache directory %s is not writeable!', 'powered-cache' ), '' . $cache_dir . '' );
} else {
$cache_dir_status = true;
$cache_dir_desc = sprintf( __( 'Cache directory %s exist and writable!', 'powered-cache' ), '' . $cache_dir . '' );
}
$checks[] = array(
'check' => 'cache-dir',
'status' => $cache_dir_status,
'description' => $cache_dir_desc,
);
// check .htaccess file
if ( $is_apache && $settings['auto_configure_htaccess'] ) {
$htaccess_file = get_home_path() . '.htaccess';
$htaccess_file_status = false;
if ( ! file_exists( $htaccess_file ) ) {
$htaccess_file_desc = sprintf( __( '.htaccess file %s is not exist!', 'powered-cache' ), '' . $htaccess_file . '' );
} elseif ( ! is_writeable( $htaccess_file ) ) {
$htaccess_file_desc = sprintf( __( '.htaccess file %s is not writeable!', 'powered-cache' ), '' . $htaccess_file . '' );
} else {
$htaccess_file_status = true;
$htaccess_file_desc = sprintf( __( '.htaccess file %s exist and writable!', 'powered-cache' ), '' . $htaccess_file . '' );
}
$checks[] = array(
'check' => 'htaccess',
'status' => $htaccess_file_status,
'description' => $htaccess_file_desc,
);
}
// check page cache
if ( $settings['enable_page_cache'] ) {
$advanced_cache_file = untrailingslashit( WP_CONTENT_DIR ) . '/advanced-cache.php';
$advanced_cache_file_status = false;
if ( ! file_exists( $advanced_cache_file ) ) {
$advanced_cache_file_desc = sprintf( __( 'Required file for the page caching %s is not exist!', 'powered-cache' ), '' . $advanced_cache_file . '' );
} elseif ( ! is_writeable( $advanced_cache_file ) ) {
$advanced_cache_file_desc = sprintf( __( 'Required file for the page caching %s is not writeable!', 'powered-cache' ), '' . $advanced_cache_file . '' );
} else {
$advanced_cache_file_status = true;
$advanced_cache_file_desc = sprintf( __( 'Required file for the page caching %s exist and writable!', 'powered-cache' ), '' . $advanced_cache_file . '' );
}
$checks[] = array(
'check' => 'advanced-cache',
'status' => $advanced_cache_file_status,
'description' => $advanced_cache_file_desc,
);
}
// check object cache
if ( 'off' !== $settings['object_cache'] ) {
$object_cache_file = untrailingslashit( WP_CONTENT_DIR ) . '/object-cache.php';
$object_cache_file_status = false;
if ( ! file_exists( $object_cache_file ) ) {
$object_cache_file_desc = sprintf( __( 'Required file for the object caching %s is not exist!', 'powered-cache' ), '' . $object_cache_file . '' );
} elseif ( ! is_writeable( $object_cache_file ) ) {
$object_cache_file_desc = sprintf( __( 'Required file for the object caching %s is not writeable!', 'powered-cache' ), '' . $object_cache_file . '' );
} else {
$object_cache_file_status = true;
$object_cache_file_desc = sprintf( __( 'Required file for the object caching %s exist and writable!', 'powered-cache' ), '' . $object_cache_file . '' );
}
$checks[] = array(
'check' => 'object-cache',
'status' => $object_cache_file_status,
'description' => $object_cache_file_desc,
);
}
wp_send_json_success( $checks );
}
wp_send_json_error( [ esc_html__( 'Invalid request', 'powered-cache' ) ] );
}
/**
* Deactivate incompatible plugins
*
* @since 1.0
*/
function deactivate_plugin() {
if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'deactivate_plugin' ) ) {
wp_nonce_ays( '' );
}
if ( ! current_user_can( 'activate_plugins' ) ) {
wp_safe_redirect( wp_get_referer() );
exit;
}
deactivate_plugins( $_GET['plugin'] );
wp_safe_redirect( wp_get_referer() );
die();
}
/**
* Adds settings link to plugin actions
*
* @param array $actions Plugin actions.
*
* @return array
* @since 1.0
*/
function action_links( $actions ) {
$settings_url = POWERED_CACHE_IS_NETWORK ? network_admin_url( 'admin.php?page=powered-cache' ) : admin_url( 'admin.php?page=powered-cache' );
$powered_cache_url = 'https://poweredcache.com/?utm_source=wp_admin&utm_medium=plugin&utm_campaign=plugin_action_links';
$actions['powered_settings'] = sprintf( '%s', esc_url( $settings_url ), esc_html__( 'Settings', 'powered-cache' ) );
if ( ! is_premium() ) {
$actions['get_premium'] = sprintf( '%s', esc_url( $powered_cache_url ), esc_html__( 'Get Premium', 'powered-cache' ) );
}
return array_reverse( $actions );
}