protected function validateBrokerSessionId($sid)
    {
        $matches = null;

        if (!preg_match('/^SSO-(\w*+)-(\w*+)-([a-z0-9]*+)$/', $this->getBrokerSessionID(), $matches)) {
            return $this->fail("Invalid session id");
        }

        $brokerId = $matches[1];
        $token = $matches[2];

        if ($this->generateSessionId($brokerId, $token) != $sid) {
            return $this->fail("Checksum failed: Client IP address may have changed", 403);
        }

        return $brokerId;
    }
protected function validateBrokerSessionId($sid)
    {
        $matches = null;

        if (!preg_match('/^SSO-(\w*+)-(\w*+)-([a-z0-9]*+)$/', $this->getBrokerSessionID(), $matches)) {
            return $this->fail("Invalid session id");
        }

        $brokerId = $matches[1];
        $token = $matches[2];

        if ($this->generateSessionId($brokerId, $token) != $sid) {
            return $this->fail("Checksum failed: Client IP address may have changed", 403);
        }

        return $brokerId;
    }
protected function validateBrokerSessionId ( $ sid ) { $ matches = null ; if ( ! preg_match ( '/^SSO-(\w*+)-(\w*+)-([a-z0-9]*+)$/' , $ this -> getBrokerSessionID ( ) , $ matches ) ) { return $ this -> fail ( "Invalid session id" ) ; } $ brokerId = $ matches [ 1 ] ; $ token = $ matches [ 2 ] ; if ( $ this -> generateSessionId ( $ brokerId , $ token ) != $ sid ) { return $ this -> fail ( "Checksum failed: Client IP address may have changed" , 403 ) ; } return $ brokerId ; }
Validate the broker session id

@param string $sid session id
@return string  the broker id
Validate the broker session id