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/ -> wp-comments-post.php (source)

   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  $post = get_post($comment_post_ID);
  23  
  24  if ( 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  
  34  if ( !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();
  57  if ( $user->exists() ) {
  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  $comment_type = '';
  75  
  76  if ( get_option('require_name_email') && !$user->exists() ) {
  77      if ( 6 > strlen($comment_author_email) || '' == $comment_author )
  78          wp_die( __('<strong>ERROR</strong>: please fill the required fields (name, email).') );
  79      elseif ( !is_email($comment_author_email))
  80          wp_die( __('<strong>ERROR</strong>: please enter a valid email address.') );
  81  }
  82  
  83  if ( '' == $comment_content )
  84      wp_die( __('<strong>ERROR</strong>: 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);
  93  do_action('set_comment_cookies', $comment, $user);
  94  
  95  $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
  96  $location = apply_filters('comment_post_redirect', $location, $comment);
  97  
  98  wp_safe_redirect( $location );
  99  exit;


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