360 lines
16 KiB
PHP
360 lines
16 KiB
PHP
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<?php
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if (!defined('ABSPATH')) exit;
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/**
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* ITK Optimization
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*
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* Merged from informatiq-wp-secure optimization class and informatiq-utils.
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* All features are toggleable via itk_optimization option.
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*/
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class ITK_Optimization {
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private array $opts;
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public function __construct() {
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$this->opts = get_option('itk_optimization', []);
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$this->init();
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}
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private function on(string $key): bool {
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return !empty($this->opts[$key]);
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}
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private function init(): void {
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// ── Version / meta ──────────────────────────────────────
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if ($this->on('remove_wp_version')) {
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remove_action('wp_head', 'wp_generator');
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add_filter('the_generator', '__return_empty_string');
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}
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// ── Login errors ────────────────────────────────────────
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if ($this->on('hide_login_errors')) {
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add_filter('login_errors', fn() => 'Something went wrong.');
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}
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// ── Comment class ───────────────────────────────────────
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if ($this->on('remove_author_class')) {
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add_filter('comment_class', [$this, 'remove_comment_author_class']);
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}
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// ── Script / style versions ─────────────────────────────
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if ($this->on('remove_script_versions')) {
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add_filter('style_loader_src', [$this, 'remove_version_param'], 999);
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add_filter('script_loader_src', [$this, 'remove_version_param'], 999);
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}
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// ── Author base ─────────────────────────────────────────
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if ($this->on('change_author_base')) {
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add_action('init', [$this, 'change_author_base']);
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}
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// ── Revisions ───────────────────────────────────────────
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if ($this->on('limit_revisions') && !defined('WP_POST_REVISIONS')) {
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define('WP_POST_REVISIONS', 3);
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}
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if (!defined('AUTOSAVE_INTERVAL')) {
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define('AUTOSAVE_INTERVAL', 300);
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}
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// ── Emoji ───────────────────────────────────────────────
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if ($this->on('remove_emoji')) {
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add_action('init', [$this, 'disable_emojis']);
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}
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// ── User fields ─────────────────────────────────────────
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if ($this->on('remove_default_userfields')) {
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add_filter('user_contactmethods', [$this, 'remove_default_userfields']);
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}
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// ── Content cleanup ─────────────────────────────────────
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if ($this->on('clean_bad_content')) {
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add_filter('content_save_pre', [$this, 'clean_bad_content']);
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}
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// ── WP head noise ───────────────────────────────────────
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if ($this->on('remove_wp_head_noise')) {
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$this->remove_wp_head_noise();
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}
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// ── XML-RPC ─────────────────────────────────────────────
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if ($this->on('disable_xml_rpc')) {
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add_filter('xmlrpc_enabled', '__return_false');
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}
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// ── WP Embed ────────────────────────────────────────────
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if ($this->on('deregister_wp_embed')) {
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add_action('wp_footer', [$this, 'deregister_wp_embed']);
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}
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// ── Empty search ────────────────────────────────────────
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if ($this->on('stop_empty_search_redirect')) {
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add_filter('request', [$this, 'stop_empty_search']);
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}
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// ── Widgets ─────────────────────────────────────────────
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if ($this->on('unregister_default_widgets')) {
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add_action('widgets_init', [$this, 'unregister_default_widgets'], 11);
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}
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// ── Defer JS ────────────────────────────────────────────
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if ($this->on('defer_js')) {
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add_filter('script_loader_tag', [$this, 'defer_js'], 10);
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}
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// ── Heartbeat ───────────────────────────────────────────
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if ($this->on('limit_heartbeat')) {
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add_filter('wpe_heartbeat_allowed_pages', [$this, 'limit_heartbeat_pages']);
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}
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// ── Dashboard widgets ───────────────────────────────────
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if ($this->on('disable_dashboard_widgets')) {
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add_action('admin_init', [$this, 'disable_dashboard_widgets'], 9999);
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}
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add_action('wp_dashboard_setup', [$this, 'add_itq_dashboard_widget']);
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// ── Comment URL field ───────────────────────────────────
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if ($this->on('disable_comments_url')) {
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add_filter('comment_form_default_fields', [$this, 'remove_comment_url']);
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}
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// ── Google FLoC / Permissions-Policy ────────────────────
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if ($this->on('disable_floc')) {
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add_filter('wp_headers', [$this, 'disable_floc']);
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}
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// ── Lightbox images ─────────────────────────────────────
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if ($this->on('lightbox_images')) {
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add_filter('the_content', [$this, 'add_lightbox_rel']);
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}
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// ── Admin bar cleanup ───────────────────────────────────
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if ($this->on('remove_admin_bar_links')) {
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add_action('wp_before_admin_bar_render', [$this, 'remove_admin_bar_links']);
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}
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// ── Admin branding ──────────────────────────────────────
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if ($this->on('admin_branding')) {
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add_filter('admin_footer_text', [$this, 'admin_footer_text']);
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add_action('admin_bar_menu', [$this, 'toolbar_link'], 999);
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add_action('admin_bar_menu', [$this, 'remove_wp_logo'], 999);
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add_action('admin_notices', [$this, 'admin_notice']);
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}
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// ── RSS featured image ──────────────────────────────────
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if ($this->on('featured_image_rss')) {
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add_filter('the_excerpt_rss', [$this, 'featured_to_rss']);
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add_filter('the_content_feed', [$this, 'featured_to_rss']);
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}
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// ── DNS prefetch ────────────────────────────────────────
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if ($this->on('dns_prefetch')) {
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add_action('wp_head', [$this, 'dns_prefetch'], 1);
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}
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// ── Google jQuery ───────────────────────────────────────
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if ($this->on('use_google_jquery')) {
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add_action('init', [$this, 'use_google_jquery']);
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}
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}
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/* ── Callback implementations ─────────────────────────────── */
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public function remove_comment_author_class(array $classes): array {
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return array_filter($classes, fn($c) => strpos($c, 'comment-author-') === false);
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}
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public function remove_version_param(string $src): string {
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return strpos($src, 'ver=') ? remove_query_arg('ver', $src) : $src;
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}
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public function change_author_base(): void {
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global $wp_rewrite;
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$wp_rewrite->author_base = 'writer';
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}
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public function disable_emojis(): void {
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remove_action('wp_head', 'print_emoji_detection_script', 7);
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remove_action('admin_print_scripts','print_emoji_detection_script');
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remove_action('wp_print_styles', 'print_emoji_styles');
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remove_action('admin_print_styles','print_emoji_styles');
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remove_filter('the_content_feed', 'wp_staticize_emoji');
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remove_filter('comment_text_rss', 'wp_staticize_emoji');
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remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
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add_filter('tiny_mce_plugins', fn($p) => is_array($p) ? array_diff($p, ['wpemoji']) : []);
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}
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public function remove_default_userfields(array $fields): array {
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foreach (['aim','jabber','yim'] as $f) unset($fields[$f]);
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return $fields;
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}
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public function clean_bad_content(string $content): string {
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return preg_replace([
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"~<p[^>]*>\s?</p>~",
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"~<a[^>]*>\s?</a>~",
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"~<font[^>]*>~",
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"~<\/font>~",
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"~style\=\"[^\"]*\"~",
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"~<span[^>]*>\s?</span>~",
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], '', $content) ?? $content;
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}
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private function remove_wp_head_noise(): void {
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remove_action('wp_head', 'wlwmanifest_link');
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remove_action('wp_head', 'rsd_link');
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remove_action('wp_head', 'wp_generator');
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remove_action('wp_head', 'start_post_rel_link');
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remove_action('wp_head', 'index_rel_link');
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remove_action('wp_head', 'feed_links_extra', 3);
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remove_action('wp_head', 'feed_links', 2);
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remove_action('wp_head', 'parent_post_rel_link', 10, 0);
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remove_action('wp_head', 'start_post_rel_link', 10, 0);
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remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
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}
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public function deregister_wp_embed(): void {
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wp_deregister_script('wp-embed');
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}
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public function stop_empty_search(array $vars): array {
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if (isset($_GET['s']) && empty($_GET['s'])) $vars['s'] = ' ';
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return $vars;
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}
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public function unregister_default_widgets(): void {
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foreach ([
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'WP_Widget_Calendar', 'WP_Widget_Archives', 'WP_Widget_Meta',
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'WP_Widget_Search', 'WP_Widget_Tag_Cloud',
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] as $w) {
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if (class_exists($w)) unregister_widget($w);
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}
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}
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public function defer_js(string $tag): string {
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$defer = [
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'owl-carousel.min.js','mansonry.js','imgloaded.js',
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'jquery.magnific-popup.min.js','bgswitcher.js','exit.js',
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'lazyload.js','app.js',
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'add-to-cart.min.js','cart-fragments.min.js','woocommerce.min.js',
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'wp-embed.min.js',
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];
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foreach ($defer as $s) {
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if (strpos($tag, $s) !== false) {
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return str_replace(' src', ' defer="defer" src', $tag);
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}
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}
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return $tag;
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}
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public function limit_heartbeat_pages(array $allowed): array {
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return ['index.php','admin.php','edit.php','post.php','post-new.php'];
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}
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public function disable_dashboard_widgets(): void {
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remove_meta_box('dashboard_primary', 'dashboard', 'core');
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remove_meta_box('wpe_dify_news_feed', 'dashboard', 'normal');
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global $wp_meta_boxes;
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unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);
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unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
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unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);
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}
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public function add_itq_dashboard_widget(): void {
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wp_add_dashboard_widget(
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'itk_info_widget',
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'Developed & Maintained by',
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[$this, 'itq_dashboard_widget_content']
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);
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}
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public function itq_dashboard_widget_content(): void {
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echo '<div style="text-align:center">'
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. '<a href="https://informatiq.services" target="_blank">'
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. '<img src="https://informatiq.services/images/logo_IQ_transparentAsset_1.png" width="200"></a>'
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. '<br><strong>Strategic Solutions, Intelligent IT Services</strong>'
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. '<br><br>Email: <a href="mailto:support@informatiq.services">support@informatiq.services</a>'
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. '<br>Phone: (+34) 971 560 060 | Emergency: (+34) 643 732 407'
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. '</div>';
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}
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public function remove_comment_url(array $fields): array {
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unset($fields['url']);
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return $fields;
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}
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public function disable_floc(array $headers): array {
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$headers['Permissions-Policy'] = 'interest-cohort=()';
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return $headers;
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}
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public function add_lightbox_rel(string $content): string {
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global $post;
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$title = isset($post->post_title) ? esc_attr($post->post_title) : '';
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$pattern = '/<a(.*?)href=([\'"])(.*?)\.(bmp|gif|jpeg|jpg|png)([\'"])(.*?)>/i';
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$replace = '<a$1href=$2$3.$4$5 rel="lightbox" title="' . $title . '"$6>';
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return preg_replace($pattern, $replace, $content) ?? $content;
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}
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public function remove_admin_bar_links(): void {
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global $wp_admin_bar;
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foreach (['wp-logo','about','wporg','documentation','support-forums','feedback','comments'] as $node) {
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$wp_admin_bar->remove_menu($node);
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}
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}
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public function admin_footer_text(): string {
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return '<a href="https://wordpress.org" target="_blank">WordPress</a> Core | '
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. 'Customizations by <a href="https://informatiq.services/" target="_blank"><strong>InformatiQ Services</strong></a>';
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}
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public function toolbar_link(\WP_Admin_Bar $bar): void {
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$bar->add_node([
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'id' => 'itq-support',
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'title' => 'InformatiQ Services',
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'href' => 'https://informatiq.services',
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'meta' => ['class' => 'itq-support', 'title' => 'Strategic Solutions, Intelligent IT Services'],
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]);
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}
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public function remove_wp_logo(\WP_Admin_Bar $bar): void {
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$bar->remove_node('wp-logo');
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}
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public function admin_notice(): void {
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echo '<div class="updated notice"><p>'
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. esc_html__('This website has been developed and is being hosted and maintained by', 'informatiq-toolkit')
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. ' <a href="https://informatiq.services" target="_blank">InformatiQ</a></p></div>';
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}
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public function featured_to_rss(string $content): string {
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global $post;
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if (!empty($post->ID) && has_post_thumbnail($post->ID)) {
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$content = get_the_post_thumbnail($post->ID, 'thumbnail', ['style' => 'float:left;margin:0 15px 15px 0']) . $content;
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}
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return $content;
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}
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public function dns_prefetch(): void {
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echo "\n<!-- DNS Prefetch -->\n"
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. '<meta http-equiv="x-dns-prefetch-control" content="on">' . "\n"
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. "<!-- /DNS Prefetch -->\n";
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}
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public function use_google_jquery(): void {
|
||
|
|
if (is_admin()) return;
|
||
|
|
wp_deregister_script('jquery');
|
||
|
|
wp_register_script('jquery', 'https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js', [], null, true);
|
||
|
|
wp_enqueue_script('jquery');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ── Option update (called by admin AJAX) ─────────────────── */
|
||
|
|
|
||
|
|
public function update_options(array $opts): void {
|
||
|
|
$this->opts = $opts;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_options(): array {
|
||
|
|
return $this->opts;
|
||
|
|
}
|
||
|
|
}
|