Wordpress 2.8
[autoinstalls/wordpress.git] / wp-comments-post.php
1 <?php
2 /**
3  * Handles Comment Post to WordPress and prevents duplicate comment posting.
4  *
5  * @package WordPress
6  */
7
8 if ( '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. */
16 require( dirname(__FILE__) . '/wp-load.php' );
17
18 nocache_headers();
19
20 $comment_post_ID = (int) $_POST['comment_post_ID'];
21
22 $status = $wpdb->get_row( $wpdb->prepare("SELECT post_status, comment_status FROM $wpdb->posts WHERE ID = %d", $comment_post_ID) );
23
24 if ( empty($status->comment_status) ) {
25         do_action('comment_id_not_found', $comment_post_ID);
26         exit;
27 } elseif ( !comments_open($comment_post_ID) ) {
28         do_action('comment_closed', $comment_post_ID);
29         wp_die( __('Sorry, comments are closed for this item.') );
30 } elseif ( in_array($status->post_status, array('draft', 'pending') ) ) {
31         do_action('comment_on_draft', $comment_post_ID);
32         exit;
33 } else {
34         do_action('pre_comment_on_post', $comment_post_ID);
35 }
36
37 $comment_author       = ( isset($_POST['author']) )  ? trim(strip_tags($_POST['author'])) : null;
38 $comment_author_email = ( isset($_POST['email']) )   ? trim($_POST['email']) : null;
39 $comment_author_url   = ( isset($_POST['url']) )     ? trim($_POST['url']) : null;
40 $comment_content      = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
41
42 // If the user is logged in
43 $user = wp_get_current_user();
44 if ( $user->ID ) {
45         if ( empty( $user->display_name ) )
46                 $user->display_name=$user->user_login;
47         $comment_author       = $wpdb->escape($user->display_name);
48         $comment_author_email = $wpdb->escape($user->user_email);
49         $comment_author_url   = $wpdb->escape($user->user_url);
50         if ( current_user_can('unfiltered_html') ) {
51                 if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
52                         kses_remove_filters(); // start with a clean slate
53                         kses_init_filters(); // set up the filters
54                 }
55         }
56 } else {
57         if ( get_option('comment_registration') || 'private' == $status->post_status )
58                 wp_die( __('Sorry, you must be logged in to post a comment.') );
59 }
60
61 $comment_type = '';
62
63 if ( get_option('require_name_email') && !$user->ID ) {
64         if ( 6 > strlen($comment_author_email) || '' == $comment_author )
65                 wp_die( __('Error: please fill the required fields (name, email).') );
66         elseif ( !is_email($comment_author_email))
67                 wp_die( __('Error: please enter a valid email address.') );
68 }
69
70 if ( '' == $comment_content )
71         wp_die( __('Error: please type a comment.') );
72
73 $comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
74
75 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
76
77 $comment_id = wp_new_comment( $commentdata );
78
79 $comment = get_comment($comment_id);
80 if ( !$user->ID ) {
81         $comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
82         setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
83         setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
84         setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
85 }
86
87 $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
88 $location = apply_filters('comment_post_redirect', $location, $comment);
89
90 wp_redirect($location);
91
92 ?>