protected function _ping($method, $parameters)
{
list($this->_requestSource, $this->_requestTarget) = $parameters;
$fault = null;
// is the source argument really an url?
if (!$fault && !Pingback_Utility::isURL($this->_requestSource)) {
$fault = self::RESPONSE_FAULT_SOURCE;
}
// is the target argument really an url?
if (!$fault && !Pingback_Utility::isURL($this->_requestTarget)) {
$fault = self::RESPONSE_FAULT_TARGET;
}
// is the target url pingback enabled?
if (!$fault && !Pingback_Utility::isPingbackEnabled($this->_requestTarget)) {
$fault = self::RESPONSE_FAULT_TARGET_INVALID;
}
// is the source backlinking to the target?
if (!$fault && !Pingback_Utility::isBacklinking($this->_requestSource, $this->_requestTarget)) {
$fault = self::RESPONSE_FAULT_SOURCE_LINK;
}
if ($fault !== null) {
$this->setFault($fault);
return $this->getFaultAsArray($fault);
} else {
$this->setSuccess();
return $this->getSuccessAsArray();
}
}
