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function spam_content_update in Spam 5.3

Same name and namespace in other branches
  1. 6 spam.module \spam_content_update()

This function is called when content on your website is updated.

Parameters

$content: An array holding the complete content.

$type: A string naming the type of content being updated.

3 calls to spam_content_update()
comment_comment in modules/spam_comment.inc
Drupal _comment() hook.
node_nodeapi in modules/spam_node.inc
Drupal _nodeapi() hook.
spam_user in modules/spam_user.inc

File

./spam.module, line 275

Code

function spam_content_update($content, $type, $extra = array()) {
  if (!spam_filter_content_type($content, $type, $extra)) {
    return;
  }
  $id = spam_invoke_module($type, 'content_id', $content, $extra);
  spam_log(SPAM_VERBOSE, 'spam_content_update', t('updating'), $type, $id);
  $error = FALSE;
  $score = 0;
  if ($id) {
    $score = spam_content_filter($content, $type, $extra);
    db_query("UPDATE {spam_tracker} SET score = %d, hostname = %d, timestamp = %d WHERE content_type = '%s' AND content_id = '%s'", $score, time(), $type, $id);
    $sid = db_result(db_query("SELECT sid FROM {spam_tracker} WHERE content_type = '%s' AND content_id = %d", $type, $id));
    if ($sid) {
      watchdog('spam', t('Updated %type with id %id in spam tracker table.', array(
        '%type' => $type,
        '%id' => $id,
      )), WATCHDOG_NOTICE);
      $extra['sid'] = $sid;
      if (!isset($extra['host'])) {

        // Content type modules can set this value, should REMOTE_ADDR not be
        // the correct IP for their content type.
        $extra['host'] = $_SERVER['REMOTE_ADDR'];
      }
      $fields = spam_invoke_module($type, 'filter_fields', $content, $extra);
      if (!empty($fields) && is_array($fields['main'])) {
        $gid = 0;
        $filters = db_query('SELECT name, module, gain FROM {spam_filters} WHERE gid = %d AND status = %d ORDER BY weight', $gid, SPAM_FILTER_ENABLED);
        while ($filter = db_fetch_object($filters)) {

          // Let filters act on insert action.
          spam_invoke_module($filter->module, 'update', $type, $content, $fields, $extra);
        }
      }
      else {
        watchdog('spam', t('Function spam_content_update failed, no fields are defined for %type content type.', array(
          '%type' => $type,
        )), WATCHDOG_ERROR);
        $error = -3;
      }
    }
    else {
      watchdog('spam', t('Update to %type with id %id not filtered before, inserting.', array(
        '%type' => $type,
        '%id' => $id,
      )), WATCHDOG_NOTICE);

      // It seems that the content hasn't ever been scanned before, let's try
      // inserting it.
      $error = spam_content_insert($content, $type, $extra);
    }
  }
  else {
    watchdog('spam', t('Function spam_content_update failed, unable to update %type in spam_tracker table, no id found in the content array.', array(
      '%type' => $type,
    )), WATCHDOG_ERROR);
    $error = -1;
  }

  // This content became spam during an update, mark it as such.
  if ($score >= variable_get('spam_threshold', SPAM_DEFAULT_THRESHOLD)) {
    spam_mark_as_spam($type, $id, $extra);
    $_SESSION['content'] = serialize((array) $content);
    $_SESSION['type'] = $type;
    spam_update_statistics(t('prevented spam @type', array(
      '@type' => $type,
    )));
    spam_log(SPAM_DEBUG, 'spam_content_update', t('redirecting to spam/denied'), $type, $id);
    drupal_goto('spam/denied');
  }
  return $error;
}