function spam_scan in Spam 6

Same name and namespace in other branches

1. 5.3 spam.module \spam_scan()

API call for scanning content for spam. If spam is found, the appropriate action will be taken.

5 calls to spam_scan()

comment_spam_scan in content/spam_content_comment.inc

Scan comment content before it is posted into the database.

contact_spam_scan in content/spam_content_contact.inc

Scan contact form content before it is sent to users.

node_spam_scan in content/spam_content_node.inc

Scan node content before it is posted into the database.

user_spamapi in content/spam_content_user.inc

User module _spamapi() hook.

user_spam_scan in content/spam_content_user.inc

Scan user before it is created in the database.

File

./spam.module, line 31

Spam module, v3 Copyright(c) 2006-2008 Jeremy Andrews <jeremy@tag1consulting.com>. All rights reserved.

Code

function spam_scan($content, $type, $extra = array(), $filter_test = FALSE) {
  $id = spam_invoke_module($type, 'content_id', $content, $extra);
  spam_log(SPAM_DEBUG, 'spam_scan', t('scanning content'), $type, $id);
  $spam = spam_content_is_spam($content, $type, $extra, $filter_test);
  if (spam_bypass_filters() || user_access('bypass filters')) {
    spam_log(SPAM_DEBUG, 'spam_scan', t('bypassing spam actions'), $type, $id);
    return $spam['score'];
  }
  _spam_update_statistics(t('scan @type', array(
    '@type' => $type,
  )));
  if ($spam['is_spam']) {
    spam_log(SPAM_DEBUG, 'spam_scan', t('content is spam'), $type, $id);
    _spam_update_statistics(t('detected spam @type', array(
      '@type' => $type,
    )));
    switch (variable_get('spam_visitor_action', SPAM_ACTION_PREVENT)) {
      case SPAM_ACTION_PREVENT_SILENT:
        spam_log(SPAM_LOG, 'spam_scan', t('content is spam, action(prevent silently)'), $type, $id);
        _spam_update_statistics(t('silently prevented spam @type', array(
          '@type' => $type,
        )));

        // TODO: We redirect to avoid the content being posted, but we should
        //       be much smarter about where we redirect to.
        drupal_goto('');
        break;
      case SPAM_ACTION_UNPUBLISH:
        spam_log(SPAM_LOG, 'spam_scan', t('content is spam, action(unpublish)'), $type, $id);
        _spam_update_statistics(t('prevented spam @type', array(
          '@type' => $type,
        )));
        if ($id) {
          spam_unpublish($type, $id, $extra);
        }
        break;
      case SPAM_ACTION_HOLD:
        $_SESSION['spam_content'] = serialize((array) $content);
        $_SESSION['spam_type'] = $type;
        spam_log(SPAM_LOG, 'spam_scan', t('content is spam, holding'), $type, $id);
        _spam_update_statistics(t('held spam @type', array(
          '@type' => $type,
        )));
        if ($id) {
          spam_hold($type, $id, $content);
        }
        break;
      case SPAM_ACTION_PREVENT:
        spam_log(SPAM_LOG, 'spam_scan', t('content is spam, action(prevent)'), $type, $id);
      default:
        $_SESSION['spam_content'] = serialize((array) $content);
        $_SESSION['spam_type'] = $type;
        _spam_update_statistics(t('prevented spam @type', array(
          '@type' => $type,
        )));
        drupal_goto('spam/denied');
        break;
    }
  }
}