function _antispam_api_prepare_request_data in AntiSpam 7

Same name and namespace in other branches

1. 6 antispam.module \_antispam_api_prepare_request_data()

Prepare user request data for AntiSpam requests.

Return value

array Relevant information extracted from $_SERVER superglobal.

1 call to _antispam_api_prepare_request_data()

antispam_api_cmd_comment_check in ./antispam.module

AntiSpam API: Comment Check.

File

./antispam.module, line 2292

Primary hook implementations for the Antispam module.

Code

function _antispam_api_prepare_request_data() {

  // You may add more elements here, but they are often related to internal
  // server data that makes little sense to check whether a comment is spam or
  // not. Be sure to not send HTTP_COOKIE as it may compromise your user's
  // privacy!
  static $safe_to_send = array(
    'CONTENT_LENGTH',
    'CONTENT_TYPE',
    'HTTP_ACCEPT',
    'HTTP_ACCEPT_CHARSET',
    'HTTP_ACCEPT_ENCODING',
    'HTTP_ACCEPT_LANGUAGE',
    'HTTP_REFERER',
    'HTTP_USER_AGENT',
    'REMOTE_ADDR',
    'REMOTE_PORT',
    'SCRIPT_URI',
    'SCRIPT_URL',
    'SERVER_ADDR',
    'SERVER_NAME',
    'REQUEST_METHOD',
    'REQUEST_URI',
    'SCRIPT_NAME',
  );

  // The contents of $_SERVER doesn't change between requests, so we can have
  // this cached in static storage.
  static $server_data;
  if (!$server_data) {
    $server_data = array();
    foreach ($_SERVER as $key => $value) {
      if (in_array($key, $safe_to_send)) {
        $server_data[$key] = $value;
      }
    }
  }
  return $server_data;
}