Initializes the cURL connection.
If the simpletest_httpauth_credentials variable is set, this function will add HTTP authentication headers. This is necessary for testing sites that are protected by login credentials from public access. See the description of $curl_options for other options.
protected function curlInitialize() {
global $base_url;
if (!isset($this->curlHandle)) {
$this->curlHandle = curl_init();
// Some versions/configurations of cURL break on a NULL cookie jar, so
// supply a real file.
if (empty($this->cookieFile)) {
$this->cookieFile = $this->public_files_directory . '/cookie.jar';
}
$curl_options = array(
CURLOPT_COOKIEJAR => $this->cookieFile,
CURLOPT_URL => $base_url,
CURLOPT_FOLLOWLOCATION => FALSE,
CURLOPT_RETURNTRANSFER => TRUE,
CURLOPT_SSL_VERIFYPEER => FALSE,
// Required to make the tests run on HTTPS.
CURLOPT_SSL_VERIFYHOST => FALSE,
// Required to make the tests run on HTTPS.
CURLOPT_HEADERFUNCTION => array(
&$this,
'curlHeaderCallback',
),
CURLOPT_USERAGENT => $this->databasePrefix,
);
if (isset($this->httpauth_credentials)) {
$curl_options[CURLOPT_HTTPAUTH] = $this->httpauth_method;
$curl_options[CURLOPT_USERPWD] = $this->httpauth_credentials;
}
// curl_setopt_array() returns FALSE if any of the specified options
// cannot be set, and stops processing any further options.
$result = curl_setopt_array($this->curlHandle, $this->additionalCurlOptions + $curl_options);
if (!$result) {
throw new \UnexpectedValueException('One or more cURL options could not be set.');
}
// By default, the child session name should be the same as the parent.
$this->session_name = session_name();
}
// We set the user agent header on each request so as to use the current
// time and a new uniqid.
if (preg_match('/simpletest\\d+/', $this->databasePrefix, $matches)) {
curl_setopt($this->curlHandle, CURLOPT_USERAGENT, drupal_generate_test_ua($matches[0]));
}
}