| 1 | <?php
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| 2 | /**
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| 3 | * Handles Comment Post to WordPress and prevents duplicate comment posting.
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| 4 | *
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| 5 | * @package WordPress
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| 6 | */
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| 7 |
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| 8 | if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
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| 9 | header('Allow: POST');
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| 10 | header('HTTP/1.1 405 Method Not Allowed');
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| 11 | header('Content-Type: text/plain');
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| 12 | exit;
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| 13 | }
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| 14 |
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| 15 | /** Sets up the WordPress Environment. */
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| 16 | require( dirname(__FILE__) . '/wp-load.php' );
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| 17 |
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| 18 | nocache_headers();
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| 19 |
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| 20 | $comment_post_ID = (int) $_POST['comment_post_ID'];
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| 21 |
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| 22 | $status = $wpdb->get_row( $wpdb->prepare("SELECT post_status, comment_status FROM $wpdb->posts WHERE ID = %d", $comment_post_ID) );
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| 23 |
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| 24 | if ( empty($status->comment_status) ) {
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| 25 | do_action('comment_id_not_found', $comment_post_ID);
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| 26 | exit;
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| 27 | } elseif ( !comments_open($comment_post_ID) ) {
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| 28 | do_action('comment_closed', $comment_post_ID);
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| 29 | wp_die( __('Sorry, comments are closed for this item.') );
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| 30 | } elseif ( in_array($status->post_status, array('draft', 'pending') ) ) {
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| 31 | do_action('comment_on_draft', $comment_post_ID);
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| 32 | exit;
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| 33 | } else {
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| 34 | do_action('pre_comment_on_post', $comment_post_ID);
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| 35 | }
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| 36 |
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| 37 | $comment_author = ( isset($_POST['author']) ) ? trim(strip_tags($_POST['author'])) : null;
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| 38 | $comment_author_email = ( isset($_POST['email']) ) ? trim($_POST['email']) : null;
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| 39 | $comment_author_url = ( isset($_POST['url']) ) ? trim($_POST['url']) : null;
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| 40 | $comment_content = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
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| 41 |
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| 42 | // If the user is logged in
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| 43 | $user = wp_get_current_user();
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| 44 | if ( $user->ID ) {
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| 45 | if ( empty( $user->display_name ) )
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| 46 | $user->display_name=$user->user_login;
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| 47 | $comment_author = $wpdb->escape($user->display_name);
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| 48 | $comment_author_email = $wpdb->escape($user->user_email);
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| 49 | $comment_author_url = $wpdb->escape($user->user_url);
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| 50 | if ( current_user_can('unfiltered_html') ) {
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| 51 | if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
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| 52 | kses_remove_filters(); // start with a clean slate
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| 53 | kses_init_filters(); // set up the filters
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| 54 | }
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| 55 | }
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| 56 | } else {
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| 57 | if ( get_option('comment_registration') || 'private' == $status->post_status )
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| 58 | wp_die( __('Sorry, you must be logged in to post a comment.') );
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| 59 | }
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| 60 |
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| 61 | $comment_type = '';
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| 62 |
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| 63 | if ( get_option('require_name_email') && !$user->ID ) {
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| 64 | if ( 6 > strlen($comment_author_email) || '' == $comment_author )
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| 65 | wp_die( __('Error: please fill the required fields (name, email).') );
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| 66 | elseif ( !is_email($comment_author_email))
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| 67 | wp_die( __('Error: please enter a valid email address.') );
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| 68 | }
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| 69 |
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| 70 | if ( '' == $comment_content )
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| 71 | wp_die( __('Error: please type a comment.') );
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| 72 |
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| 73 | $comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
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| 74 |
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| 75 | $commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
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| 76 |
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| 77 | $comment_id = wp_new_comment( $commentdata );
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| 78 |
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| 79 | $comment = get_comment($comment_id);
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| 80 | if ( !$user->ID ) {
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| 81 | $comment_cookie_lifetime = apply_filters('comment_cookie_lifetime', 30000000);
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| 82 | setcookie('comment_author_' . COOKIEHASH, $comment->comment_author, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
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| 83 | setcookie('comment_author_email_' . COOKIEHASH, $comment->comment_author_email, time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
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| 84 | setcookie('comment_author_url_' . COOKIEHASH, esc_url($comment->comment_author_url), time() + $comment_cookie_lifetime, COOKIEPATH, COOKIE_DOMAIN);
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| 85 | }
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| 86 |
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| 87 | $location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
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| 88 | $location = apply_filters('comment_post_redirect', $location, $comment);
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| 89 |
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| 90 | wp_redirect($location);
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| 91 |
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| 92 | ?>
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