function _antispam_comment_form_validate in AntiSpam 6

Comment form validate callback; check for spambots.

1 string reference to '_antispam_comment_form_validate'

antispam_form_alter in ./antispam.module

Implementation of hook_form_alter().

File

./antispam.module, line 936

Code

function _antispam_comment_form_validate($form, &$form_state) {

  // Quit if there have already been errors in the form.
  if (form_get_errors()) {
    return;
  }

  // Ok, let's build a quick query to see if we can catch a spambot.
  $antispambot_rules = antispam_get_anti_spambot_rules();
  $sql_where = array();
  $sql_args = array();
  if ($antispambot_rules['ip']) {
    $sql_where[] = 's.hostname = \'%s\'';
    $sql_args[] = ip_address();
  }
  if ($antispambot_rules['body'] && !empty($form_state['values']['comment'])) {
    $sql_where[] = 'c.comment = \'%s\'';
    $sql_args[] = $form_state['values']['comment'];
  }
  if ($antispambot_rules['mail'] && !empty($form_state['values']['mail'])) {
    $sql_where[] = 's.mail = \'%s\'';
    $sql_args[] = ${$form_state}['values']['mail'];
  }
  if (count($sql_where) > 0) {
    if ($antispambot_rules['body'] || $antispambot_rules['mail']) {
      $sql_stmt = 'SELECT 1 FROM {comments} c INNER JOIN {antispam_spam_marks} s ON s.content_type = \'comment\' AND s.content_id = c.cid WHERE (%cond)';
    }
    else {
      $sql_stmt = 'SELECT 1 FROM {antispam_spam_marks} s WHERE s.content_type = \'comment\' AND (%cond)';
    }
    $sql_stmt = str_replace('%cond', implode(' OR ', $sql_where), $sql_stmt);
    if (db_result(db_query($sql_stmt, $sql_args, 0, 1))) {
      antispam_anti_spambot_action(array(
        t('SQL') => _antispam_translate_query($sql_stmt, $sql_args),
        t('E-mail') => $form_state['values']['mail'],
        t('Comment') => $form_state['values']['comment'],
      ));
    }
  }
}