100 lines
3.4 KiB
PHP
100 lines
3.4 KiB
PHP
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<?php
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/**
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* Handles Comment Post to WordPress and prevents duplicate comment posting.
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*
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* @package WordPress
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*/
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if ( 'POST' != $_SERVER['REQUEST_METHOD'] ) {
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header('Allow: POST');
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header('HTTP/1.1 405 Method Not Allowed');
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header('Content-Type: text/plain');
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exit;
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}
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/** Sets up the WordPress Environment. */
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require( dirname(__FILE__) . '/wp-load.php' );
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nocache_headers();
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$comment_post_ID = isset($_POST['comment_post_ID']) ? (int) $_POST['comment_post_ID'] : 0;
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$post = get_post($comment_post_ID);
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if ( empty($post->comment_status) ) {
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do_action('comment_id_not_found', $comment_post_ID);
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exit;
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}
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// get_post_status() will get the parent status for attachments.
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$status = get_post_status($post);
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$status_obj = get_post_status_object($status);
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if ( !comments_open($comment_post_ID) ) {
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do_action('comment_closed', $comment_post_ID);
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wp_die( __('Sorry, comments are closed for this item.') );
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} elseif ( 'trash' == $status ) {
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do_action('comment_on_trash', $comment_post_ID);
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exit;
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} elseif ( !$status_obj->public && !$status_obj->private ) {
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do_action('comment_on_draft', $comment_post_ID);
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exit;
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} elseif ( post_password_required($comment_post_ID) ) {
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do_action('comment_on_password_protected', $comment_post_ID);
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exit;
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} else {
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do_action('pre_comment_on_post', $comment_post_ID);
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}
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$comment_author = ( isset($_POST['author']) ) ? trim(strip_tags($_POST['author'])) : null;
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$comment_author_email = ( isset($_POST['email']) ) ? trim($_POST['email']) : null;
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$comment_author_url = ( isset($_POST['url']) ) ? trim($_POST['url']) : null;
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$comment_content = ( isset($_POST['comment']) ) ? trim($_POST['comment']) : null;
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// If the user is logged in
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$user = wp_get_current_user();
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if ( $user->exists() ) {
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if ( empty( $user->display_name ) )
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$user->display_name=$user->user_login;
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$comment_author = $wpdb->escape($user->display_name);
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$comment_author_email = $wpdb->escape($user->user_email);
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$comment_author_url = $wpdb->escape($user->user_url);
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if ( current_user_can('unfiltered_html') ) {
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if ( wp_create_nonce('unfiltered-html-comment_' . $comment_post_ID) != $_POST['_wp_unfiltered_html_comment'] ) {
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kses_remove_filters(); // start with a clean slate
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kses_init_filters(); // set up the filters
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}
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}
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} else {
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if ( get_option('comment_registration') || 'private' == $status )
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wp_die( __('Sorry, you must be logged in to post a comment.') );
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}
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$comment_type = '';
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if ( get_option('require_name_email') && !$user->exists() ) {
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if ( 6 > strlen($comment_author_email) || '' == $comment_author )
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wp_die( __('<strong>ERROR</strong>: please fill the required fields (name, email).') );
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elseif ( !is_email($comment_author_email))
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wp_die( __('<strong>ERROR</strong>: please enter a valid email address.') );
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}
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if ( '' == $comment_content )
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wp_die( __('<strong>ERROR</strong>: please type a comment.') );
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$comment_parent = isset($_POST['comment_parent']) ? absint($_POST['comment_parent']) : 0;
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$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type', 'comment_parent', 'user_ID');
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$comment_id = wp_new_comment( $commentdata );
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$comment = get_comment($comment_id);
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do_action('set_comment_cookies', $comment, $user);
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$location = empty($_POST['redirect_to']) ? get_comment_link($comment_id) : $_POST['redirect_to'] . '#comment-' . $comment_id;
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$location = apply_filters('comment_post_redirect', $location, $comment);
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wp_safe_redirect( $location );
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exit;
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