/**
* Makes an HTTP request using PHP's CURL
*
* @param RESTian_Request $request
* @param RESTian_Response $response
* @return RESTian_Response
*/
function make_request($request, $response)
{
$ch = curl_init();
curl_setopt_array($ch, array(CURLOPT_URL => $request->get_url(), CURLOPT_USERAGENT => $request->client->get_user_agent(), CURLOPT_HTTPHEADER => $request->get_curl_headers(), CURLOPT_POST => false, CURLOPT_HEADER => false, CURLOPT_TIMEOUT => '30', CURLOPT_RETURNTRANSFER => true, CURLOPT_SSL_VERIFYPEER => $request->sslverify, CURLOPT_SSL_VERIFYHOST => true === $request->sslverify ? 2 : false));
if (!$request->omit_body) {
$response->body = trim(curl_exec($ch));
}
$info = curl_getinfo($ch);
$response->status_code = $info['http_code'];
if (0 != curl_errno($ch)) {
$response->set_http_error(curl_errno($ch), curl_error($ch));
}
if (!$request->omit_result) {
$response->result = (object) array('info' => $info, 'version' => curl_version(), 'error' => curl_error($ch), 'errno' => curl_errno($ch));
}
curl_close($ch);
return $response;
}
/**
* Call the API.
*
* On success (HTTP status == 200) $this->error_code and $this->error_msg will be false.
* On failure (HTTP status != 200) $this->error_code and $this->error_msg will contain error information.
*
* On success or failure, $this->response will contain the response captured by HTTP agent
* except when username and password are not passed as part of auth.
*
* @return object|RESTian_Response
*/
function make_request()
{
$response = new RESTian_Response(array('request' => $this));
$api = $this->client;
/**
* Assign request & response to API so they are accessible inside the auth_provider
*/
$api->request = $this;
$api->response = $response;
$auth_provider = $api->get_auth_provider();
if ($this->needs_authentication() && !$this->has_authentication()) {
$response->set_error('NO_AUTH', $this->service);
} else {
$http_agent = RESTian::get_new_http_agent($this->client->http_agent);
$this->assign_settings();
$response = $http_agent->make_request($this, $response);
if ($response->is_http_error()) {
/**
* See if we can provide more than one error type here.
*/
$msg = 'There was a problem reaching %s when calling the %s. Please try again later or contact the site\'s administrator.';
$response->set_error('API_FAIL', sprintf($msg, $this->client->api_name, $this->service->service_name));
} else {
if ('authenticate' == $response->request->service->service_name) {
$handled = $auth_provider->authenticated($response);
} else {
$handled = $auth_provider->handle_response($response);
}
if (!$handled) {
// @todo Add more HTTP status code responses as we better understand the use-cases.
switch ($response->status_code) {
case '200':
/**
* @var RESTian_Parser_Base $parser
*/
$parser = RESTian::get_new_parser($this->service->content_type, $this, $response);
if ($parser instanceof RESTian_Parser_Base) {
$response->data = $parser->parse($response->body);
}
break;
case '401':
$response->set_error('BAD_AUTH', $this->service);
break;
default:
/**
* See if we can provide more than one error type here.
*/
$response->set_error('UNKNOWN', 'Unexpected API response code: ' . $response->status_code);
break;
}
}
if ($this->omit_body) {
$response->body = null;
}
if ($this->omit_result) {
$response->result = null;
}
}
}
return $response;
}
/**
* Authenticate against the API.
*
* @param bool|array $credentials
* @return RESTian_Response
*/
function authenticate($credentials = false)
{
if (!$credentials) {
$credentials = $this->_credentials;
}
if (!$this->_credentials) {
$this->_credentials = $credentials;
}
$this->_auth_service = $this->get_auth_service();
/**
* @var RESTian_Auth_Provider_Base
*/
$auth_provider = $this->get_auth_provider();
$this->request = new RESTian_Request(null, array('credentials' => $credentials, 'service' => $this->_auth_service));
if (!$this->is_credentials($credentials)) {
$response = new RESTian_Response(array('request' => $this->request));
$response->set_error('NO_AUTH', 'Credentials not provided. Please enter your credentials.');
} else {
/**
* @var RESTian_Response $response
*/
$response = $this->make_request($this->request);
$response->authenticated = $auth_provider->authenticated($response);
if (!$response->authenticated) {
$response->set_error('BAD_AUTH', $auth_provider->message);
} else {
$auth_provider->capture_grant($response);
}
}
return $response;
}
