118 lines
3.1 KiB
PHP
118 lines
3.1 KiB
PHP
<?php
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/**
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* The class handles the comments functionalities.
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*
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* @since 1.0.33
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* @package RankMath
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* @subpackage RankMath\Frontend
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath\Frontend;
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use RankMath\Helper;
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use RankMath\Traits\Hooker;
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use RankMath\Helpers\HTML;
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use RankMath\Helpers\Str;
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use RankMath\Helpers\Security;
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defined( 'ABSPATH' ) || exit;
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/**
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* Comments class.
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*
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* @copyright Copyright (C) 2008-2019, Yoast BV
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* The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
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*/
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class Comments {
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use Hooker;
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/**
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* The Constructor.
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*/
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public function __construct() {
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$this->action( 'wp_head', 'add_attributes', 99 );
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}
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/**
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* Add UGC attribute and remove ?replytocom parameters.
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*/
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public function add_attributes() {
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/**
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* Enable or disable the feature that adds ugc attribute.
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*
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* @param bool $remove Whether to remove the parameters.
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*/
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if ( $this->do_filter( 'frontend/add_ugc_attribute', true ) ) {
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$this->filter( 'comment_text', 'add_ugc_attribute' );
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$this->filter( 'get_comment_author_link', 'add_ugc_attribute' );
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}
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/**
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* Enable or disable the feature that removes the ?replytocom parameters.
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*
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* @param bool $remove Whether to remove the parameters.
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*/
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if ( $this->do_filter( 'frontend/remove_reply_to_com', true ) ) {
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$this->filter( 'comment_reply_link', 'remove_reply_to_com' );
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$this->action( 'template_redirect', 'replytocom_redirect', 1 );
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}
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}
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/**
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* Replace the ?replytocom with #comment-[number] in a link.
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*
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* @param string $link The comment link as a string.
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* @return string The new link.
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*/
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public function remove_reply_to_com( $link ) {
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return preg_replace( '`href=(["\'])(?:.*(?:\?|&|&)replytocom=(\d+)#respond)`', 'href=$1#comment-$2', $link );
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}
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/**
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* Redirect the ?replytocom URLs.
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*
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* @return bool True when redirect has been done.
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*/
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public function replytocom_redirect() {
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if ( isset( $_GET['replytocom'] ) && is_singular() ) {
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$url = get_permalink( $GLOBALS['post']->ID );
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$query_string = Security::remove_query_arg_raw( 'replytocom', sanitize_text_field( $_SERVER['QUERY_STRING'] ) );
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if ( ! empty( $query_string ) ) {
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$url .= '?' . $query_string;
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}
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$url .= '#comment-' . sanitize_text_field( $_GET['replytocom'] );
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Helper::redirect( $url, 301 );
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return true;
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}
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return false;
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}
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/**
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* Add 'ugc' attribute to comment.
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*
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* @param string $text Comment or author link text to add ugc attribute.
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* @return string
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*/
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public function add_ugc_attribute( $text ) {
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preg_match_all( '/<(a\s[^>]+)>/', $text, $matches );
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if ( empty( $matches ) || empty( $matches[0] ) ) {
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return $text;
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}
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foreach ( $matches[0] as $link ) {
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$attrs = HTML::extract_attributes( $link );
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$attrs['rel'] = empty( $attrs['rel'] ) ? 'ugc' : ( Str::contains( 'ugc', $attrs['rel'] ) ? $attrs['rel'] : $attrs['rel'] . ' ugc' );
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$new = '<a' . HTML::attributes_to_string( $attrs ) . '>';
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$text = str_replace( $link, $new, $text );
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}
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return $text;
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}
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}
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