/**
* Convert XML document into array.
*
* @param string $xmlRequestBody XML document
* @return array Data converted from XML document to array. Root node is excluded from response.
* @throws InvalidArgumentException In case of invalid argument type.
* @throws Mage_Webapi_Exception If decoding error occurs.
*/
public function interpret($xmlRequestBody)
{
if (!is_string($xmlRequestBody)) {
throw new InvalidArgumentException(sprintf('Invalid data type "%s". String is expected.', gettype($xmlRequestBody)));
}
/** Disable external entity loading to prevent possible vulnerability */
$previousLoaderState = libxml_disable_entity_loader(true);
set_error_handler(array($this, 'handleErrors'));
$this->_xmlParser->loadXML($xmlRequestBody);
restore_error_handler();
libxml_disable_entity_loader($previousLoaderState);
/** Process errors during XML parsing. */
if ($this->_errorMessage !== null) {
if (!$this->_app->isDeveloperMode()) {
$exceptionMessage = $this->_helper->__('Decoding error.');
} else {
$exceptionMessage = 'Decoding Error: ' . $this->_errorMessage;
}
throw new Mage_Webapi_Exception($exceptionMessage, Mage_Webapi_Exception::HTTP_BAD_REQUEST);
}
$data = $this->_xmlParser->xmlToArray();
/** Data will always have exactly one element so it is safe to call reset here. */
return reset($data);
}
