Wordpress 2.9.2-scripts
[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 $comment_post_ID = isset($_POST['comment_post_ID']) ? (int) $_POST['comment_post_ID'] : 0;
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', 'future', 'pending') ) ) {
31         do_action('comment_on_draft', $comment_post_ID);
32         exit;
33 } elseif ( 'trash' == $status->post_status ) {
34         do_action('comment_on_trash', $comment_post_ID);
35         exit;
36 } elseif ( post_password_required($comment_post_ID) ) {
37         do_action('comment_on_password_protected', $comment_post_ID);
38         exit;
39 } else {
40         do_action('pre_comment_on_post', $comment_post_ID);
41 }
42
43 $comment_author       = ( isset($_POST['author']) )  ? trim(strip_tags($_POST['author'])) : null;
44 $comment_author_email = ( isset($_POST['email']) )   ? trim($_POST['email']) : null;
45 $comment_author_url   = ( isset($_POST['url']) )     ? trim($_POST['url']) : null;
46 $comment_content      = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
47
48 // If the user is logged in
49 $user = wp_get_current_user();
50 if ( $user->ID ) {
51         if ( empty( $user->display_name ) )
52                 $user->display_name=$user->user_login;
53         $comment_author       = $wpdb->escape($user->display_name);
54         $comment_author_email = $wpdb->escape($user->user_email);
55         $comment_author_url   = $wpdb->escape($user->user_url);
56         if ( current_user_can('unfiltered_html') ) {
57                 if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
58                         kses_remove_filters(); // start with a clean slate
59                         kses_init_filters(); // set up the filters
60                 }
61         }
62 } else {
63         if ( get_option('comment_registration') || 'private' == $status->post_status )
64                 wp_die( __('Sorry, you must be logged in to post a comment.') );
65 }
66
67 $comment_type = '';
68
69 if ( get_option('require_name_email') && !$user->ID ) {
70         if ( 6 > strlen($comment_author_email) || '' == $comment_author )
71                 wp_die( __('Error: please fill the required fields (name, email).') );
72         elseif ( !is_email($comment_author_email))
73                 wp_die( __('Error: please enter a valid email address.') );
74 }
75
76 if ( '' == $comment_content )
77         wp_die( __('Error: please type a comment.') );
78
79 $comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
80
81 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
82
83 $comment_id = wp_new_comment( $commentdata );
84
85 $comment = get_comment($comment_id);
86 if ( !$user->ID ) {
87         $comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
88         setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
89         setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
90         setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
91 }
92
93 $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
94 $location = apply_filters('comment_post_redirect', $location, $comment);
95
96 wp_redirect($location);
97
98 ?>