/**
* Retrieves the data using the given url. The default implementation uses the file_get_content()
* function to retrieve the request. Subclasses would need to implement this if a simple GET request
* is not sufficient (i.e. you need POST or custom headers).
* @param string the url to retrieve
* @return string the response from the server
* @TODO support POST requests and custom headers and perhaps proxy requests
*/
protected function retrieveData($url)
{
if ($this->debugMode) {
error_log(sprintf(__CLASS__ . " Retrieving %s", $url));
}
try {
if ($this->method == 'GET') {
$http = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_GET);
} else {
if ($this->method = 'POST') {
$http = phpCAS::getProxiedService(PHPCAS_PROXIED_SERVICE_HTTP_POST);
} else {
throw new Exception('Unsupported HTTP method ' . $this->method);
}
}
$http->setUrl($url);
// Not yet supported in phpCAS-1.2.2, will be added in a future version.
// foreach ($this->getHeaders() as $header) {
// $http->addRequestHeader($header);
// }
$http->send();
$this->response = DataResponse::factory('HTTPDataResponse', array());
$this->response->setRequest($this->method, $url, $this->filters, $this->requestHeaders);
$this->response->setResponse($http->getResponseBody(), $http->getResponseHeaders());
if ($this->debugMode) {
error_log(sprintf(__CLASS__ . " Returned status %d and %d bytes", $this->getResponseCode(), strlen($data)));
}
return $http->getResponseBody();
} catch (CAS_ProxyTicketException $e) {
if ($this->debugMode) {
error_log(__CLASS__ . " The user's proxy ticket expired, prompt for login.");
}
// For now we will just re-throw the exception and let the WebModule that
// is calling us handle prompting for re-authentication.
throw $e;
}
}
/**
* Retrieves the data using the given url. The default implementation uses the file_get_content()
* function to retrieve the request. Subclasses would need to implement this if a simple GET request
* is not sufficient (i.e. you need POST or custom headers).
* @param string the url to retrieve
* @return string the response from the server
* @TODO support POST requests and custom headers and perhaps proxy requests
*/
protected function retrieveData($url)
{
Kurogo::log(LOG_INFO, "Retrieving {$url}", 'data');
$data = file_get_contents($url, false, $this->streamContext);
$http_response_header = isset($http_response_header) ? $http_response_header : array();
$this->response = DataResponse::factory('HTTPDataResponse', array());
$this->response->setRequest($this->method, $url, $this->filters, $this->requestHeaders);
$this->response->setResponse($data);
$this->response->setResponseHeaders($http_response_header);
Kurogo::log(LOG_DEBUG, sprintf("Returned status %d and %d bytes", $this->getResponseCode(), strlen($data)), 'data');
return $data;
}
protected function initResponse()
{
$response = DataResponse::factory($this->DEFAULT_RESPONSE_CLASS, $this->initArgs);
foreach ($this->context as $var => $value) {
$response->setContext($var, $value);
}
return $response;
}
