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<?php |
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namespace WPEXtra\Modules\Common; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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use WPEXtra\Settings; |
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use WPEXtra\Helper; |
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use WPEXtra\Base; |
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|
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class Permalinks extends Base { |
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|
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public function __construct() { |
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parent::__construct(); |
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add_action('update_option_wp_extra', [$this, 'sync_rewrite_rules'], 10, 2); |
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} |
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|
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public function sync_rewrite_rules($old_value, $value) { |
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$keys = ['slug_post_type', 'slug_taxonomy']; |
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$needs_flush = false; |
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foreach ($keys as $key) { |
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if (($old_value[$key] ?? null) !== ($value[$key] ?? null)) { |
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$needs_flush = true; |
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break; |
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} |
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} |
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if ($needs_flush) { |
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flush_rewrite_rules(false); |
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} |
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} |
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|
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protected $features = [ |
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'external_links', |
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'redirect_attachment', |
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'redirect_single_post', |
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'slug_post_type', |
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'slug_taxonomy', |
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'robots_txt', |
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]; |
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|
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public function external_links() { |
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add_filter('the_content', [$this, 'filter_external_links'], 99); |
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} |
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|
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public function filter_external_links($content) { |
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if (empty($content) || !is_string($content)) { |
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return $content; |
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} |
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|
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$site_host = wp_parse_url(home_url(), PHP_URL_HOST); |
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|
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if (class_exists('\WP_HTML_Tag_Processor')) { |
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$processor = new \WP_HTML_Tag_Processor($content); |
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|
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while ($processor->next_tag(['tag_name' => 'a'])) { |
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$href = (string) $processor->get_attribute('href'); |
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if ($href && preg_match('#^https?://#i', $href)) { |
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$link_host = wp_parse_url($href, PHP_URL_HOST); |
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if ($link_host && strcasecmp($link_host, $site_host) !== 0) { |
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$processor->set_attribute('target', '_blank'); |
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|
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$rel = (string) $processor->get_attribute('rel'); |
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$rel_parts = array_filter(array_map('trim', explode(' ', $rel))); |
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|
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if (!in_array('nofollow', $rel_parts, true)) { |
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$rel_parts[] = 'nofollow'; |
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} |
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if (!in_array('noopener', $rel_parts, true)) { |
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$rel_parts[] = 'noopener'; |
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} |
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if (!in_array('noreferrer', $rel_parts, true)) { |
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$rel_parts[] = 'noreferrer'; |
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} |
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|
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$processor->set_attribute('rel', implode(' ', array_unique($rel_parts))); |
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} |
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} |
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} |
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|
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return $processor->get_updated_html(); |
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} |
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|
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// Regex fallback |
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return preg_replace_callback('/<a\s+([^>]+)>/i', function($matches) use ($site_host) { |
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$attrs = $matches[1]; |
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if (preg_match('/href=["\'](https?:\/\/[^"\']+)["\']/i', $attrs, $url_match)) { |
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$link_host = wp_parse_url($url_match[1], PHP_URL_HOST); |
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if ($link_host && strcasecmp($link_host, $site_host) !== 0) { |
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if (!preg_match('/target=["\']/i', $attrs)) { |
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$attrs .= ' target="_blank"'; |
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} |
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if (preg_match('/rel=["\']([^"\']*)["\']/i', $attrs, $rel_match)) { |
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$rel = $rel_match[1]; |
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if (strpos($rel, 'nofollow') === false) $rel .= ' nofollow'; |
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if (strpos($rel, 'noopener') === false) $rel .= ' noopener'; |
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if (strpos($rel, 'noreferrer') === false) $rel .= ' noreferrer'; |
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$attrs = preg_replace('/rel=["\'][^"\']*["\']/i', 'rel="' . trim($rel) . '"', $attrs); |
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} else { |
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$attrs .= ' rel="nofollow noopener noreferrer"'; |
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} |
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} |
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} |
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return '<a ' . trim($attrs) . '>'; |
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}, $content); |
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} |
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|
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public function redirect_attachment() { |
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add_action('template_redirect', [$this, 'redirect_attachment_page']); |
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} |
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|
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public function redirect_attachment_page() { |
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if (is_attachment()) { |
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global $post; |
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if ($post && !empty($post->post_parent)) { |
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wp_safe_redirect(esc_url(get_permalink($post->post_parent)), 301); |
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exit; |
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} else { |
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wp_safe_redirect(esc_url(home_url('/')), 301); |
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exit; |
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} |
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} |
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} |
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|
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public function redirect_single_post() { |
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add_action('template_redirect', [$this, 'search_results_return_one_post']); |
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} |
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|
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public function search_results_return_one_post() { |
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if (is_search()) { |
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global $wp_query; |
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if ($wp_query && $wp_query->post_count == 1 && $wp_query->max_num_pages == 1 && !empty($wp_query->posts[0])) { |
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wp_safe_redirect(get_permalink($wp_query->posts[0]->ID)); |
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exit; |
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} |
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} |
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} |
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|
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public function robots_txt() { |
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add_filter('robots_txt', [$this, 'filter_robots_txt'], 99, 2); |
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} |
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|
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public function filter_robots_txt($output, $public) { |
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$custom = Helper::get_option('robots_txt'); |
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if (!empty($custom)) { |
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return $custom; |
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} |
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return $output; |
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} |
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|
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public function slug_post_type() { |
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add_action('pre_get_posts', [$this, 'rempostslug_parse_request'], 1, 1); |
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add_filter('post_type_link', [$this, 'rempostslug_fun'], 10, 3); |
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add_filter('get_the_permalink', [$this, 'rempostslug_fun'], 10, 3); |
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add_filter('the_permalink', [$this, 'rempostslug_fun'], 10, 3); |
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} |
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|
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public function slug_taxonomy() { |
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add_filter('request', [$this, 'remtaxslug_change_term_request'], 1, 1); |
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add_filter('term_link', [$this, 'remtaxslug_term_permalink'], 10, 2); |
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add_filter('get_category_link', [$this, 'remtaxslug_term_permalink'], 10, 3); |
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add_filter('get_term_link', [$this, 'remtaxslug_term_permalink'], 10, 3); |
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add_filter('category_link', [$this, 'remtaxslug_term_permalink'], 10, 3); |
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} |
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|
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public function rempostslug_fun($post_link, $post) { |
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$post_type_list = (array) Helper::get_option('slug_post_type', []); |
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if (empty($post_type_list) || !($post instanceof \WP_Post)) { |
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return $post_link; |
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} |
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if (in_array(get_post_type($post), $post_type_list, true)) { |
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$post_link = trailingslashit(get_option('home')) . user_trailingslashit($post->post_name); |
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} |
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return $post_link; |
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} |
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|
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public function rempostslug_parse_request($query) { |
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$post_type_list = (array) Helper::get_option('slug_post_type', []); |
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if (!$query->is_main_query() || count($query->query) !== 2 || !isset($query->query['page'])) { |
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return; |
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} |
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if (!empty($query->query['name']) && !empty($post_type_list)) { |
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$query->set('post_type', $post_type_list); |
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} |
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} |
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|
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public function remtaxslug_change_term_request($query) { |
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$tax_names = (array) Helper::get_option('slug_taxonomy', []); |
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foreach ($tax_names as $current_tax_name) { |
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if (array_key_exists('attachment', $query) && $query['attachment']) { |
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$include_children = true; |
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$name = $query['attachment']; |
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} else { |
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$include_children = false; |
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$name = array_key_exists('name', $query) ? $query['name'] : ''; |
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} |
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|
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$term = get_term_by('slug', $name, $current_tax_name); |
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|
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if (!empty($name) && !empty($term) && !is_wp_error($term)) { |
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if ($include_children) { |
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unset($query['attachment']); |
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$parent = $term->parent; |
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while ($parent) { |
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$parent_term = get_term($parent, $current_tax_name); |
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if ($parent_term && !is_wp_error($parent_term)) { |
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$name = $parent_term->slug . '/' . $name; |
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$parent = $parent_term->parent; |
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} else { |
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break; |
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} |
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} |
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} else { |
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unset($query['name']); |
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} |
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|
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switch ($current_tax_name) { |
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case 'category': |
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$query['category_name'] = $name; |
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break; |
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case 'post_tag': |
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$query['tag'] = $name; |
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break; |
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default: |
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$query[$current_tax_name] = $name; |
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break; |
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} |
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} |
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} |
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|
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return $query; |
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} |
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|
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public function remtaxslug_term_permalink($url, $taxonomy) { |
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if (is_int($taxonomy)) { |
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$taxonomy_term = get_term($taxonomy); |
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if (!($taxonomy_term instanceof \WP_Term)) { |
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return $url; |
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} |
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$taxonomy_slug = $taxonomy_term->slug; |
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$taxonomy_name = $taxonomy_term->taxonomy; |
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} elseif (is_object($taxonomy) && isset($taxonomy->slug, $taxonomy->taxonomy)) { |
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$taxonomy_slug = $taxonomy->slug; |
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$taxonomy_name = $taxonomy->taxonomy; |
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} else { |
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return $url; |
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} |
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$saved_value = (array) Helper::get_option('slug_taxonomy', []); |
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if (empty($saved_value)) { |
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return $url; |
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} |
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if (in_array($taxonomy_name, $saved_value, true)) { |
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$url = trailingslashit(get_option('home')) . user_trailingslashit($taxonomy_slug); |
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} |
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|
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return $url; |
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} |
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|
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} |
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|
