/**
* The constructor. Setup and handle the XML request.
*/
public function __construct($request)
{
if(!$request) {
$this->BadRequest('A valid XML request to the API was not supplied.');
return;
}
// Store the request XML locally
$this->requestXML = $request;
// Attempt to parse the XML
try {
if (!Interspire_Xml::validateXMLString($request, $xmlErrors)) {
throw new Exception();
}
$this->request = new SimpleXMLElement($request);
}
catch(Exception $e) {
$this->BadRequest('The XML supplied was not valid.');
return;
}
$requiredNodes = array(
'username',
'usertoken',
'requesttype',
'requestmethod',
);
foreach($requiredNodes as $node) {
if(empty($this->request->$node)) {
$this->BadRequest('The supplied XML does not contain the '.$node.' node. This is a required field.');
return;
}
}
if(!$this->AuthenticateUser($this->request->username, $this->request->usertoken)) {
$this->BadRequest('The supplied username and usertoken were unable to be verified. Please ensure that the details are valid and the user has API access.');
}
if(!$this->RouteRequest($this->request->requesttype, $this->request->requestmethod)) {
$this->BadRequest('The supplied requesttype or requestmethod are invalid. Please check that you are calling a valid API method and try again.');
}
}
