<?php
namespace SpeedyCache;
if(!defined('ABSPATH')){
die('HACKING ATTEMPT!');
}
use \SpeedyCache\Util;
class Ajax{
static function hooks(){
add_action('wp_ajax_speedycache_delete_page_cache', '\SpeedyCache\Ajax::delete_page_cache');
add_action('wp_ajax_speedycache_save_cache_settings', '\SpeedyCache\Ajax::save_cache_settings');
add_action('wp_ajax_speedycache_save_file_settings', '\SpeedyCache\Ajax::save_file_settings');
add_action('wp_ajax_speedycache_save_preload_settings', '\SpeedyCache\Ajax::save_preload_settings');
add_action('wp_ajax_speedycache_save_media_settings', '\SpeedyCache\Ajax::save_media_settings');
add_action('wp_ajax_speedycache_save_cdn_settings', '\SpeedyCache\Ajax::save_cdn_settings');
add_action('wp_ajax_speedycache_test_pagespeed', '\SpeedyCache\Ajax::test_pagespeed');
add_action('wp_ajax_speedycache_save_excludes', '\SpeedyCache\Ajax::save_excludes');
add_action('wp_ajax_speedycache_delete_exclude_rule', '\SpeedyCache\Ajax::delete_exclude_rule');
add_action('wp_ajax_speedycache_save_deletion_role_settings', '\SpeedyCache\Ajax::save_deletion_roles');
if(defined('SPEEDYCACHE_PRO')){
add_action('wp_ajax_speedycache_optm_db', '\SpeedyCache\Ajax::optm_db');
add_action('wp_ajax_speedycache_flush_objects', '\SpeedyCache\Ajax::flush_objs');
add_action('wp_ajax_speedycache_save_object_settings', '\SpeedyCache\Ajax::save_object_settings');
add_action('wp_ajax_speedycache_save_bloat_settings', '\SpeedyCache\Ajax::save_bloat_settings');
add_action('wp_ajax_speedycache_preloading_add_settings', '\SpeedyCache\Ajax::add_preload_settings');
add_action('wp_ajax_speedycache_preloading_delete_resource', '\SpeedyCache\Ajax::delete_preload_resource');
// Critical CSS
add_action('wp_ajax_speedycache_critical_css', '\SpeedyCache\Ajax::generate_critical_css');
}
}
static function delete_page_cache(){
check_ajax_referer('speedycache_ajax_nonce');
$page_id = Util::sanitize_get('page_id');
if(empty($page_id)){
wp_send_json_error(__('Can not delete cache of this page as the page ID is empty', 'speedycache'));
}
}
static function save_cache_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_options');
$options['status'] = isset($_REQUEST['status']);
$options['preload'] = isset($_REQUEST['preload']);
$options['preload_interval'] = (int) Util::sanitize_request('preload_interval', 0);
$options['logged_in_user'] = isset($_REQUEST['logged_in_user']);
$options['mobile'] = isset($_REQUEST['mobile']);
$options['mobile_theme'] = isset($_REQUEST['mobile_theme']);
$options['lbc'] = isset($_REQUEST['lbc']);
$options['gzip'] = isset($_REQUEST['gzip']);
$options['purge_varnish'] = isset($_REQUEST['purge_varnish']);
$options['varniship'] = !empty($_REQUEST['varniship']) ? Util::sanitize_request('varniship') : '';
$options['purge_interval'] = (int) Util::sanitize_request('purge_interval', 0);
$options['purge_interval_unit'] = Util::sanitize_request('purge_interval_unit', 'days');
$options['purge_enable_exact_time'] = isset($_REQUEST['purge_enable_exact_time']);
$options['purge_exact_time'] = Util::sanitize_request('purge_exact_time', 0);
$options['auto_purge_fonts'] = isset($_REQUEST['auto_purge_fonts']);
$options['auto_purge_gravatar'] = isset($_REQUEST['auto_purge_gravatar']);
wp_clear_scheduled_hook('speedycache_purge_cache');
wp_clear_scheduled_hook('speedycache_preload');
$speedycache->options = $options;
update_option('speedycache_options', $options);
\SpeedyCache\Htaccess::init();
\SpeedyCache\Install::set_advanced_cache();
Util::set_config_file(); // Updates the config file
wp_send_json_success();
}
static function save_file_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_options', []);
// CSS options
$options['minify_html'] = isset($_REQUEST['minify_html']);
$options['minify_css'] = isset($_REQUEST['minify_css']);
$options['combine_css'] = isset($_REQUEST['combine_css']);
$options['unused_css'] = isset($_REQUEST['unused_css']);
$options['critical_css'] = isset($_REQUEST['critical_css']);
$options['unusedcss_load'] = Util::sanitize_request('unusedcss_load');
$options['unused_css_exclude_stylesheets'] = !empty($_REQUEST['unused_css_exclude_stylesheets']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['unused_css_exclude_stylesheets']))) : [];
$options['unusedcss_include_selector'] = !empty($_REQUEST['unusedcss_include_selector']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['unusedcss_include_selector']))) : [];
// JS options
$options['minify_js'] = isset($_REQUEST['minify_js']);
$options['combine_js'] = isset($_REQUEST['combine_js']);
$options['delay_js'] = isset($_REQUEST['delay_js']);
$options['delay_js_mode'] = isset($_REQUEST['delay_js_mode']) ? Util::sanitize_request('delay_js_mode') : '';
$options['delay_js_excludes'] = !empty($_REQUEST['delay_js_excludes']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['delay_js_excludes']))) : [];
$options['delay_js_scripts'] = !empty($_REQUEST['delay_js_scripts']) ? array_unique(array_map('trim', explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['delay_js_scripts']))))) : [];
$options['render_blocking'] = isset($_REQUEST['render_blocking']);
$options['render_blocking_excludes'] = isset($_REQUEST['render_blocking_excludes']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['render_blocking_excludes']))) : [];
$options['disable_emojis'] = isset($_REQUEST['disable_emojis']);
$options['lazy_load_html'] = isset($_REQUEST['lazy_load_html']);
if(isset($_REQUEST['lazy_load_html_elements'])){
$options['lazy_load_html_elements'] = !empty($_REQUEST['lazy_load_html_elements']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['lazy_load_html_elements']))) : [];
}
$speedycache->options = $options;
update_option('speedycache_options', $options);
wp_send_json_success();
}
static function save_preload_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_options');
$options['critical_images'] = isset($_REQUEST['critical_images']);
$options['critical_image_count'] = isset($_REQUEST['critical_images']) ? Util::sanitize_request('critical_image_count') : '';
$options['instant_page'] = isset($_REQUEST['instant_page']);
$options['dns_prefetch'] = isset($_REQUEST['dns_prefetch']);
if(!empty($_REQUEST['dns_urls'])){
$options['dns_urls'] = explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['dns_urls'])));
}
$options['preload_resources'] = isset($_REQUEST['preload_resources']);
$options['pre_connect'] = isset($_REQUEST['pre_connect']);
// TODO: here more options will be added after all modals have been added.
$speedycache->options = $options;
update_option('speedycache_options', $options);
wp_send_json_success();
}
static function save_media_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_options');
$options['gravatar_cache'] = isset($_REQUEST['gravatar_cache']);
$options['lazy_load'] = isset($_REQUEST['lazy_load']);
$options['lazy_load_placeholder'] = Util::sanitize_request('lazy_load_placeholder');
if(isset($_REQUEST['lazy_load_placeholder_custom_url'])){
$options['lazy_load_placeholder_custom_url'] = !empty($_REQUEST['lazy_load_placeholder_custom_url']) ? sanitize_url(wp_unslash($_REQUEST['lazy_load_placeholder_custom_url'])) : '';
}
if(isset($_REQUEST['exclude_above_fold'])){
$options['exclude_above_fold'] = !empty($_REQUEST['exclude_above_fold']) ? Util::sanitize_request('exclude_above_fold') : '';
}
if(isset($_REQUEST['lazy_load_keywords'])){
$options['lazy_load_keywords'] = !empty($_REQUEST['lazy_load_keywords']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['lazy_load_keywords']))) : [];
}
$options['image_dimensions'] = isset($_REQUEST['image_dimensions']);
$options['local_gfonts'] = isset($_REQUEST['local_gfonts']);
$options['google_fonts'] = isset($_REQUEST['google_fonts']);
$options['font_rendering'] = isset($_REQUEST['font_rendering']);
// TODO: here more options will be added after all modals have been added.
$speedycache->options = $options;
update_option('speedycache_options', $options);
wp_send_json_success();
}
static function save_object_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
if(!class_exists('Redis')){
wp_send_json_error(__('phpRedis Library not found', 'speedycache'));
return;
}
$options = get_option('speedycache_object_cache', []);
$options['enable'] = isset($_REQUEST['enable_object']);
$options['host'] = Util::sanitize_request('host');
$options['port'] = Util::sanitize_request('port');
$options['username'] = Util::sanitize_request('username');
$options['password'] = Util::sanitize_request('password');
$options['hashed_prefix'] = substr(md5(site_url()), 0, 12);
$options['ttl'] = Util::sanitize_request('ttl', 0);
$options['db-id'] = Util::sanitize_request('db-id', 0);
$options['persistent'] = isset($_REQUEST['persistent']);
$options['admin'] = isset($_REQUEST['admin']);
$options['async_flush'] = isset($_REQUEST['async_flush']);
$options['serialization'] = Util::sanitize_request('serialization');
$options['compress'] = Util::sanitize_request('compress');
$options['non_cache_group'] = !empty($_REQUEST['non_cache_group']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['non_cache_group']))) : [];
$speedycache->object = $options;
if(!file_put_contents(\SpeedyCache\ObjectCache::$conf_file, json_encode($speedycache->object))){
wp_send_json_error(__('Unable to modify Object Cache Conf file, the issue might be related to permission on your server.', 'speedycache'));
return;
}
if(!empty($speedycache->object['enable'])){
\SpeedyCache\ObjectCache::update_file();
} else {
if(file_exists(WP_CONTENT_DIR . '/object-cache.php')){
unlink(WP_CONTENT_DIR . '/object-cache.php');
}
}
try{
\SpeedyCache\ObjectCache::boot();
} catch(\Exception $e) {
wp_send_json_error($e->getMessage());
return;
}
\SpeedyCache\ObjectCache::flush_db();
\SpeedyCache\ObjectCache::$instance = null;
update_option('speedycache_object_cache', $options); // We need to update at last only after object cache can be enabled.
wp_send_json_success();
}
static function save_cdn_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_cdn', []);
if(!is_array($options)){
$options = [];
}
$options['enabled'] = isset($_REQUEST['enable_cdn']);
$options['cdn_type'] = Util::sanitize_request('cdn_type');
$options['cdn_key'] = sanitize_text_field(wp_unslash($_REQUEST['cdn_key']));
$options['cdn_url'] = sanitize_url(wp_unslash($_REQUEST['cdn_url']));
$options['excludekeywords'] = !empty($_REQUEST['excludekeywords']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['excludekeywords']))) : [];
$options['file_types'] = !empty($_REQUEST['file_types']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['file_types']))) : [];
$options['keywords'] = !empty($_REQUEST['keywords']) ? explode("\n", sanitize_textarea_field(wp_unslash($_REQUEST['keywords']))) : [];
if(!empty($options['file_types'])){
$options['file_types'] = map_deep($options['file_types'], 'trim');
}
if(!empty($options['keywords'])){
$options['keywords'] = map_deep($options['keywords'], 'trim');
}
if(!empty($options['excludekeywords'])){
$options['excludekeywords'] = map_deep($options['excludekeywords'], 'trim');
}
// Fetching the Zone/Pull ID's
if($options['cdn_type'] === 'bunny' && !empty($options['cdn_key'])){
$pull_id = \SpeedyCache\CDN::bunny_get_pull_id($options);
if(!empty($pull_id) && !is_array($pull_id)){
$options['bunny_pull_id'] = $pull_id;
}
}else if($options['cdn_type'] === 'cloudflare' && !empty($options['cdn_key'])){
$zone_id = \SpeedyCache\CDN::cloudflare_zone_id($options);
if(!empty($zone_id)){
$options['cloudflare_zone_id'] = $zone_id;
}
}
update_option('speedycache_cdn', $options);
$speedycache->cdn = $options;
wp_send_json_success();
}
static function save_bloat_settings(){
check_ajax_referer('speedycache_ajax_nonce');
if(!current_user_can('manage_options')){
wp_send_json_error(__('You do not have required permission.', 'speedycache'));
}
global $speedycache;
$options = get_option('speedycache_bloat', []);
$options['disable_xmlrpc'] = isset($_REQUEST['disable_xmlrpc']);
$options['remove_gfonts'] = isset($_REQUEST['remove_gfonts']);
$options['disable_jmigrate'] = isset($_REQUEST['disable_jmigrate']);
$options['disable_dashicons'] = isset($_REQUEST['disable_dashicons']);
$options['disable_gutenberg'] = isset($_REQUEST['disable_gutenberg']);
$options['disable_block_css'] = isset($_REQUEST['disable_block_css']);
$options['disable_oembeds'] = isset($_REQUEST['disable_oembeds']);
$options['disable_cart_fragment'] = isset($_REQUEST['disable_cart_fragment']);
$options['disable_woo_assets'] = isset($_REQUEST['disable_woo_assets']);
$options['disable_rss'] = isset($_REQUEST['disable_rss']);
$options['update_heartbeat'] = isset($_REQUEST['update_heartbeat']);
$options['heartbeat_frequency'] = Util::sanitize_request('heartbeat_frequency');
$options['disable_heartbeat'] = Util::sanitize_request('disable_heartbeat');
$options['limit_post_revision'] = isset($_REQUEST['limit_post_revision']);
$options['post_revision_count'] = Util::sanitize_request('post_revision_count');
$speedycache->bloat = $options;
update_option('speedycache_bloat', $options);
wp_send_json_success();
}
// Adds settings of Preload and preconnect options.
static function add_preload_settings(){
check_ajax_referer('speedycache_ajax_nonce', 'security');
if(!current_user_can('manage_options')){
wp_send_json_error('Must be admin');
}
global $speedycache;
if(empty($_REQUEST['type'])){
wp_send_json_error('Unable to find the settings type');
}
$type = sanitize_text_field(wp_unslash($_REQUEST['type']));
if(!in_array($type, ['pre_connect_list', 'preload_resource_list'])){
wp_send_json_error(__('Could not figure out type of the setting being saved!', 'speedycache'));
}
if(empty($_REQUEST['settings'])){
wp_send_json_error(__('No settings provided to save', 'speedycache'));
}
if(empty($speedycache->options[$type])){
$speedycache->options[$type] = [];
}
$settings = [];
if(empty($_REQUEST['settings']['resource'])){
wp_send_json_error(__('No resource provided!', 'speedycache'));
}
$settings['resource'] = sanitize_url(wp_unslash($_REQUEST['settings']['resource']));
$settings['crossorigin'] = isset($_REQUEST['settings']['crossorigin'])