*
'; // question (hidden with js) [aria-required="true" required="required"]
$antispam_unqprfx_form_part .= '
'; // empty field (hidden with css)
echo $antispam_unqprfx_form_part;
}
add_action( 'comment_form', 'antispam_unqprfx_form_part' ); // add anti-spam input to the comment form
function antispam_unqprfx_check_comment( $commentdata ) {
global $antispam_unqprfx_send_spam_comment_to_admin;
extract( $commentdata );
$antispam_unqprfx_pre_error_message = 'Go back and try again.';
$antispam_unqprfx_error_message = '';
if( !is_user_logged_in() && $comment_type != 'pingback' && $comment_type != 'trackback' /* && !current_user_can( 'publish_posts' ) */ ) { // logged in user is not a spammer
$error_flag = false;
if ( trim( $_POST['anti-spam-q'] ) != date('Y') ) { // answer is wrong - maybe spam
$error_flag = true;
if ( empty( $_POST['anti-spam-q'] ) ) { // empty answer - maybe spam
$antispam_unqprfx_error_message .= '
Error: empty answer. ';
}else{
$antispam_unqprfx_error_message .= '
Error: answer is wrong. ';
}
}
if ( ! empty( $_POST['anti-spam-e'] ) ) { // field is not empty - maybe spam
$error_flag = true;
$antispam_unqprfx_error_message .= '
Error: field should be empty. ';
}
if( $error_flag ){ // if we have an error
if ( $antispam_unqprfx_send_spam_comment_to_admin ) { // if sending email to admin is enabled
$post = get_post($comment->comment_post_ID);
$antispam_unqprfx_admin_email = get_option('admin_email'); // admin email
$antispam_unqprfx_subject = 'Spam comment on site "'.get_bloginfo('name').'" '; // email subject
$antispam_unqprfx_message = 'Spam comment on "'.$post->post_title.'"' . "\r\n";
$antispam_unqprfx_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
$antispam_unqprfx_message .= 'IP : ' . $_SERVER['REMOTE_ADDR'] . "\r\n";
$antispam_unqprfx_message .= 'User agent : ' . $_SERVER['HTTP_USER_AGENT'] . "\r\n";
$antispam_unqprfx_message .= 'Referer : ' . $_SERVER['HTTP_REFERER'] . "\r\n\r\n";
$antispam_unqprfx_message .= 'Errors: ' . $antispam_unqprfx_error_message . "\r\n\r\n";
$antispam_unqprfx_message .= 'Post vars:'."\r\n"; // lets see what post vars spammers try to submit
foreach ($_POST as $key => $value) {
$antispam_unqprfx_message .= '$_POST['.$key. '] = '.$value."\r\n"; // .chr(13).chr(10)
}
$antispam_unqprfx_message .= "\r\n\r\n";
$antispam_unqprfx_message .= 'Cookie vars:'."\r\n"; // lets see what cookie vars spammers try to submit
foreach ($_COOKIE as $key => $value) {
$antispam_unqprfx_message .= '$_COOKIE['.$key. '] = '.$value."\r\n"; // .chr(13).chr(10)
}
$antispam_unqprfx_message .= "\r\n\r\n";
$antispam_unqprfx_message .= '-----------------------------'."\r\n";
$antispam_unqprfx_message .= 'This is spam comment rejected by Anti-spam plugin. wordpress.org/extend/plugins/anti-spam/' . "\r\n";
$antispam_unqprfx_message .= 'You may edit "anti-spam.php" file and disable this notification.' . "\r\n";
$antispam_unqprfx_message .= 'You should find "$antispam_unqprfx_send_spam_comment_to_admin" and make it equal to "false".' . "\r\n";
@wp_mail( $antispam_unqprfx_admin_email, $antispam_unqprfx_subject, $antispam_unqprfx_message ); // send comment to admin email
}
wp_die( $antispam_unqprfx_pre_error_message . $antispam_unqprfx_error_message ); // die and show errors
}
}
return $commentdata;
}
if( ! is_admin() ) {
add_filter( 'preprocess_comment', 'antispam_unqprfx_check_comment', 1 );
}
function antispam_unqprfx_plugin_meta( $links, $file ) { // add 'Plugin page' and 'Donate' links to plugin meta row
if ( strpos( $file, 'anti-spam.php' ) !== false ) {
$links = array_merge( $links, array( '' . __('Anti-spam') . '' ) );
$links = array_merge( $links, array( '' . __('Donate') . '' ) );
}
return $links;
}
add_filter( 'plugin_row_meta', 'antispam_unqprfx_plugin_meta', 10, 2 );