Wordpress 3.0.6
[autoinstalls/wordpress.git] / wp-comments-post.php
index 563745954ec88c839cc9267635a5411145607349..e2e12f76cba98cbbe11b66ddd976e4ad8a8dcb83 100644 (file)
@@ -1,37 +1,62 @@
 <?php
+/**
+ * Handles Comment Post to WordPress and prevents duplicate comment posting.
+ *
+ * @package WordPress
+ */
+
 if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
        header('Allow: POST');
        header('HTTP/1.1 405 Method Not Allowed');
        header('Content-Type: text/plain');
        exit;
 }
-require( dirname(__FILE__) . '/wp-config.php' );
+
+/** Sets up the WordPress Environment. */
+require( dirname(__FILE__) . '/wp-load.php' );
 
 nocache_headers();
 
-$comment_post_ID = (int) $_POST['comment_post_ID'];
+$comment_post_ID = isset($_POST['comment_post_ID']) ? (int) $_POST['comment_post_ID'] : 0;
 
-$status = $wpdb->get_row("SELECT post_status, comment_status FROM $wpdb->posts WHERE ID = '$comment_post_ID'");
+$post = get_post($comment_post_ID);
 
-if ( empty($status->comment_status) ) {
+if ( empty($post->comment_status) ) {
        do_action('comment_id_not_found', $comment_post_ID);
        exit;
-} elseif ( 'closed' ==  $status->comment_status ) {
+}
+
+// get_post_status() will get the parent status for attachments.
+$status = get_post_status($post);
+
+$status_obj = get_post_status_object($status);
+
+if ( !comments_open($comment_post_ID) ) {
        do_action('comment_closed', $comment_post_ID);
        wp_die( __('Sorry, comments are closed for this item.') );
-} elseif ( in_array($status->post_status, array('draft', 'pending') ) ) {
+} elseif ( 'trash' == $status ) {
+       do_action('comment_on_trash', $comment_post_ID);
+       exit;
+} elseif ( !$status_obj->public && !$status_obj->private ) {
        do_action('comment_on_draft', $comment_post_ID);
        exit;
+} elseif ( post_password_required($comment_post_ID) ) {
+       do_action('comment_on_password_protected', $comment_post_ID);
+       exit;
+} else {
+       do_action('pre_comment_on_post', $comment_post_ID);
 }
 
-$comment_author       = trim(strip_tags($_POST['author']));
-$comment_author_email = trim($_POST['email']);
-$comment_author_url   = trim($_POST['url']);
-$comment_content      = trim($_POST['comment']);
+$comment_author       = ( isset($_POST['author']) )  ? trim(strip_tags($_POST['author'])) : null;
+$comment_author_email = ( isset($_POST['email']) )   ? trim($_POST['email']) : null;
+$comment_author_url   = ( isset($_POST['url']) )     ? trim($_POST['url']) : null;
+$comment_content      = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
 
 // If the user is logged in
 $user = wp_get_current_user();
 if ( $user->ID ) {
+       if ( empty( $user->display_name ) )
+               $user->display_name=$user->user_login;
        $comment_author       = $wpdb->escape($user->display_name);
        $comment_author_email = $wpdb->escape($user->user_email);
        $comment_author_url   = $wpdb->escape($user->user_url);
@@ -42,7 +67,7 @@ if ( $user->ID ) {
                }
        }
 } else {
-       if ( get_option('comment_registration') )
+       if ( get_option('comment_registration') || 'private' == $status )
                wp_die( __('Sorry, you must be logged in to post a comment.') );
 }
 
@@ -58,18 +83,21 @@ if ( get_option('require_name_email') && !$user->ID ) {
 if ( '' == $comment_content )
        wp_die( __('Error: please type a comment.') );
 
-$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'user_ID');
+$comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
+
+$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
 
 $comment_id = wp_new_comment( $commentdata );
 
 $comment = get_comment($comment_id);
 if ( !$user->ID ) {
-       setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
-       setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
-       setcookie('comment_author_url_' . COOKIEHASH, clean_url($comment->comment_author_url), time() + 30000000, COOKIEPATH, COOKIE_DOMAIN);
+       $comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
+       setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
+       setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
+       setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
 }
 
-$location = ( empty($_POST['redirect_to']) ? get_permalink($comment_post_ID) : $_POST['redirect_to'] ) . '#comment-' . $comment_id;
+$location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
 $location = apply_filters('comment_post_redirect', $location, $comment);
 
 wp_redirect($location);