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.
29 * @param int $comment_post_ID Post ID.
31 do_action( 'comment_id_not_found', $comment_post_ID );
35 // get_post_status() will get the parent status for attachments.
36 $status = get_post_status($post);
38 $status_obj = get_post_status_object($status);
40 if ( ! comments_open( $comment_post_ID ) ) {
42 * Fires when a comment is attempted on a post that has comments closed.
45 * @param int $comment_post_ID Post ID.
47 do_action( 'comment_closed', $comment_post_ID );
48 wp_die( __('Sorry, comments are closed for this item.') );
49 } elseif ( 'trash' == $status ) {
51 * Fires when a comment is attempted on a trashed post.
54 * @param int $comment_post_ID Post ID.
56 do_action( 'comment_on_trash', $comment_post_ID );
58 } elseif ( ! $status_obj->public && ! $status_obj->private ) {
60 * Fires when a comment is attempted on a post in draft mode.
63 * @param int $comment_post_ID Post ID.
65 do_action( 'comment_on_draft', $comment_post_ID );
67 } elseif ( post_password_required( $comment_post_ID ) ) {
69 * Fires when a comment is attempted on a password-protected post.
72 * @param int $comment_post_ID Post ID.
74 do_action( 'comment_on_password_protected', $comment_post_ID );
78 * Fires before a comment is posted.
81 * @param int $comment_post_ID Post ID.
83 do_action( 'pre_comment_on_post', $comment_post_ID );
86 $comment_author = ( isset($_POST['author']) ) ? trim(strip_tags($_POST['author'])) : null;
87 $comment_author_email = ( isset($_POST['email']) ) ? trim($_POST['email']) : null;
88 $comment_author_url = ( isset($_POST['url']) ) ? trim($_POST['url']) : null;
89 $comment_content = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
91 // If the user is logged in
92 $user = wp_get_current_user();
93 if ( $user->exists() ) {
94 if ( empty( $user->display_name ) )
95 $user->display_name=$user->user_login;
96 $comment_author = wp_slash( $user->display_name );
97 $comment_author_email = wp_slash( $user->user_email );
98 $comment_author_url = wp_slash( $user->user_url );
99 if ( current_user_can( 'unfiltered_html' ) ) {
100 if ( ! isset( $_POST['_wp_unfiltered_html_comment'] )
101 || ! wp_verify_nonce( $_POST['_wp_unfiltered_html_comment'], 'unfiltered-html-comment_' . $comment_post_ID )
103 kses_remove_filters(); // start with a clean slate
104 kses_init_filters(); // set up the filters
108 if ( get_option('comment_registration') || 'private' == $status )
109 wp_die( __('Sorry, you must be logged in to post a comment.') );
114 if ( get_option('require_name_email') && !$user->exists() ) {
115 if ( 6 > strlen($comment_author_email) || '' == $comment_author )
116 wp_die( __('<strong>ERROR</strong>: please fill the required fields (name, email).') );
117 elseif ( !is_email($comment_author_email))
118 wp_die( __('<strong>ERROR</strong>: please enter a valid email address.') );
121 if ( '' == $comment_content )
122 wp_die( __('<strong>ERROR</strong>: please type a comment.') );
124 $comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
126 $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
128 $comment_id = wp_new_comment( $commentdata );
129 $comment = get_comment($comment_id);
132 * Perform other actions when comment cookies are set.
136 * @param object $comment Comment object.
137 * @param WP_User $user User object. The user may not exist.
139 do_action( 'set_comment_cookies', $comment, $user );
141 $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
144 * The location URI to send commenter after posting.
148 * @param string $location The 'redirect_to' URI sent via $_POST.
149 * @param object $comment Comment object.
151 $location = apply_filters( 'comment_post_redirect', $location, $comment );
153 wp_safe_redirect( $location );