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Ticket #18819: wp-comments-post.php

File wp-comments-post.php, 3.9 KB (added by WhiteJV, 4 years ago)

Patched wp-comments-post.php

Line 
1<?php
2/**
3 * Handles Comment Post to WordPress and prevents duplicate comment posting.
4 *
5 * @package WordPress
6 */
7
8if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
9        header('Allow: POST');
10        header('HTTP/1.1 405 Method Not Allowed');
11        header('Content-Type: text/plain');
12        exit;
13}
14
15/** Sets up the WordPress Environment. */
16require( dirname(__FILE__) . '/wp-load.php' );
17
18nocache_headers();
19
20$comment_post_ID = isset($_POST['comment_post_ID']) ? (int) $_POST['comment_post_ID'] : 0;
21
22$post = get_post($comment_post_ID);
23
24if ( empty($post->comment_status) ) {
25        do_action('comment_id_not_found', $comment_post_ID);
26        exit;
27}
28
29// get_post_status() will get the parent status for attachments.
30$status = get_post_status($post);
31
32$status_obj = get_post_status_object($status);
33
34if ( !comments_open($comment_post_ID) ) {
35        do_action('comment_closed', $comment_post_ID);
36        wp_die( __('Sorry, comments are closed for this item.') );
37} elseif ( 'trash' == $status ) {
38        do_action('comment_on_trash', $comment_post_ID);
39        exit;
40} elseif ( !$status_obj->public && !$status_obj->private ) {
41        do_action('comment_on_draft', $comment_post_ID);
42        exit;
43} elseif ( post_password_required($comment_post_ID) ) {
44        do_action('comment_on_password_protected', $comment_post_ID);
45        exit;
46} else {
47        do_action('pre_comment_on_post', $comment_post_ID);
48}
49
50$comment_author       = ( isset($_POST['author']) )  ? trim(strip_tags($_POST['author'])) : null;
51$comment_author_email = ( isset($_POST['email']) )   ? trim($_POST['email']) : null;
52$comment_author_url   = ( isset($_POST['url']) )     ? trim($_POST['url']) : null;
53$comment_content      = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
54
55// If the user is logged in
56$user = wp_get_current_user();
57if ( $user->ID ) {
58        if ( empty( $user->display_name ) )
59                $user->display_name=$user->user_login;
60        $comment_author       = $wpdb->escape($user->display_name);
61        $comment_author_email = $wpdb->escape($user->user_email);
62        $comment_author_url   = $wpdb->escape($user->user_url);
63        if ( current_user_can('unfiltered_html') ) {
64                if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
65                        kses_remove_filters(); // start with a clean slate
66                        kses_init_filters(); // set up the filters
67                }
68        }
69} else {
70        if ( get_option('comment_registration') || 'private' == $status )
71                wp_die( __('Sorry, you must be logged in to post a comment.') );
72}
73
74$comment_type = '';
75
76if ( get_option('require_name_email') && !$user->ID ) {
77        if ( 6 > strlen($comment_author_email) || '' == $comment_author )
78                wp_die( __('Error: please fill the required fields (name, email).') );
79        elseif ( !is_email($comment_author_email))
80                wp_die( __('Error: please enter a valid email address.') );
81}
82
83if ( '' == $comment_content )
84        wp_die( __('Error: please type a comment.') );
85
86$comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
87
88$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
89
90$comment_id = wp_new_comment( $commentdata );
91
92$comment = get_comment($comment_id);
93if ( (!defined('BLOCK_COMMENTER_COOKIES')) || (!BLOCK_COMMENTER_COOKIES) ) {
94        if ( !$user->ID ) {
95                $comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
96                setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
97                setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
98                setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
99        }
100}
101
102$location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
103$location = apply_filters('comment_post_redirect', $location, $comment);
104
105wp_redirect($location);
106exit;
107?>