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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