function drupal_generate_test_ua in Drupal 7

Same name and namespace in other branches

1. 8 core/includes/bootstrap.inc \drupal_generate_test_ua()
2. 9 core/includes/bootstrap.inc \drupal_generate_test_ua()

Generates a user agent string with a HMAC and timestamp for simpletest.

3 calls to drupal_generate_test_ua()

DrupalWebTestCase::curlInitialize in modules/simpletest/drupal_web_test_case.php

Initializes the cURL connection.

drupal_http_request in includes/common.inc

Performs an HTTP request.

SimpleTestFunctionalTest::testUserAgentValidation in modules/simpletest/simpletest.test

Test validation of the User-Agent header we use to perform test requests.

File

includes/bootstrap.inc, line 2870

Functions that need to be loaded on every Drupal request.

Code

function drupal_generate_test_ua($prefix) {
  static $key;
  if (!isset($key)) {

    // We use the salt from settings.php to make the HMAC key, since
    // the database is not yet initialized and we can't access any Drupal variables.
    // The file properties add more entropy not easily accessible to others.
    $key = drupal_get_hash_salt() . filectime(__FILE__) . fileinode(__FILE__);
  }

  // Generate a moderately secure HMAC based on the database credentials.
  $salt = uniqid('', TRUE);
  $check_string = $prefix . ';' . time() . ';' . $salt;
  return $check_string . ';' . drupal_hmac_base64($check_string, $key);
}