3 * Handles Comment Post to WordPress and prevents duplicate comment posting.
8 if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
10 header('HTTP/1.1 405 Method Not Allowed');
11 header('Content-Type: text/plain');
15 /** Sets up the WordPress Environment. */
16 require( dirname(__FILE__) . '/wp-load.php' );
20 $comment_post_ID = isset($_POST['comment_post_ID']) ? (int) $_POST['comment_post_ID'] : 0;
22 $post = get_post($comment_post_ID);
24 if ( empty( $post->comment_status ) ) {
26 * Fires when a comment is attempted on a post that does not exist.
30 * @param int $comment_post_ID Post ID.
32 do_action( 'comment_id_not_found', $comment_post_ID );
36 // get_post_status() will get the parent status for attachments.
37 $status = get_post_status($post);
39 $status_obj = get_post_status_object($status);
41 if ( ! comments_open( $comment_post_ID ) ) {
43 * Fires when a comment is attempted on a post that has comments closed.
47 * @param int $comment_post_ID Post ID.
49 do_action( 'comment_closed', $comment_post_ID );
50 wp_die( __('Sorry, comments are closed for this item.') );
51 } elseif ( 'trash' == $status ) {
53 * Fires when a comment is attempted on a trashed post.
57 * @param int $comment_post_ID Post ID.
59 do_action( 'comment_on_trash', $comment_post_ID );
61 } elseif ( ! $status_obj->public && ! $status_obj->private ) {
63 * Fires when a comment is attempted on a post in draft mode.
67 * @param int $comment_post_ID Post ID.
69 do_action( 'comment_on_draft', $comment_post_ID );
71 } elseif ( post_password_required( $comment_post_ID ) ) {
73 * Fires when a comment is attempted on a password-protected post.
77 * @param int $comment_post_ID Post ID.
79 do_action( 'comment_on_password_protected', $comment_post_ID );
83 * Fires before a comment is posted.
87 * @param int $comment_post_ID Post ID.
89 do_action( 'pre_comment_on_post', $comment_post_ID );
92 $comment_author = ( isset($_POST['author']) ) ? trim(strip_tags($_POST['author'])) : null;
93 $comment_author_email = ( isset($_POST['email']) ) ? trim($_POST['email']) : null;
94 $comment_author_url = ( isset($_POST['url']) ) ? trim($_POST['url']) : null;
95 $comment_content = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
97 // If the user is logged in
98 $user = wp_get_current_user();
99 if ( $user->exists() ) {
100 if ( empty( $user->display_name ) )
101 $user->display_name=$user->user_login;
102 $comment_author = wp_slash( $user->display_name );
103 $comment_author_email = wp_slash( $user->user_email );
104 $comment_author_url = wp_slash( $user->user_url );
105 if ( current_user_can( 'unfiltered_html' ) ) {
106 if ( ! isset( $_POST['_wp_unfiltered_html_comment'] )
107 || ! wp_verify_nonce( $_POST['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_ID )
109 kses_remove_filters(); // start with a clean slate
110 kses_init_filters(); // set up the filters
114 if ( get_option('comment_registration') || 'private' == $status )
115 wp_die( __('Sorry, you must be logged in to post a comment.') );
120 if ( get_option('require_name_email') && !$user->exists() ) {
121 if ( 6 > strlen($comment_author_email) || '' == $comment_author )
122 wp_die( __('<strong>ERROR</strong>: please fill the required fields (name, email).') );
123 elseif ( !is_email($comment_author_email))
124 wp_die( __('<strong>ERROR</strong>: please enter a valid email address.') );
127 if ( '' == $comment_content )
128 wp_die( __('<strong>ERROR</strong>: please type a comment.') );
130 $comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
132 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
134 $comment_id = wp_new_comment( $commentdata );
135 $comment = get_comment($comment_id);
138 * Perform other actions when comment cookies are set.
142 * @param object $comment Comment object.
143 * @param WP_User $user User object. The user may not exist.
145 do_action( 'set_comment_cookies', $comment, $user );
147 $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
150 * Filter the location URI to send the commenter after posting.
154 * @param string $location The 'redirect_to' URI sent via $_POST.
155 * @param object $comment Comment object.
157 $location = apply_filters( 'comment_post_redirect', $location, $comment );
159 wp_safe_redirect( $location );