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