def _retrieve_certificate(self, access_token, timeout=3):
        """
        Generates a new private key and certificate request, submits the request to be
        signed by the SLCS CA and returns the certificate.
        """
        logger.debug("Retrieve certificate with token.")

        # Generate a new key pair
        key_pair = crypto.PKey()
        key_pair.generate_key(crypto.TYPE_RSA, 2048)
        private_key = crypto.dump_privatekey(crypto.FILETYPE_PEM, key_pair).decode("utf-8")

        # Generate a certificate request using that key-pair
        cert_request = crypto.X509Req()

        # Create public key object
        cert_request.set_pubkey(key_pair)

        # Add the public key to the request
        cert_request.sign(key_pair, 'md5')
        der_cert_req = crypto.dump_certificate_request(crypto.FILETYPE_ASN1, cert_request)

        encoded_cert_req = base64.b64encode(der_cert_req)

        # Build the OAuth session object
        token = {'access_token': access_token, 'token_type': 'Bearer'}
        client = OAuth2Session(token=token)

        response = client.post(
            self.certificate_url,
            data={'certificate_request': encoded_cert_req},
            verify=False,
            timeout=timeout,
        )

        if response.ok:
            content = "{} {}".format(response.text, private_key)
            with open(self.esgf_credentials, 'w') as fh:
                fh.write(content)
            logger.debug('Fetched certificate successfully.')
        else:
            msg = "Could not get certificate: {} {}".format(response.status_code, response.reason)
            raise Exception(msg)
        return True
def _retrieve_certificate(self, access_token, timeout=3):
        """
        Generates a new private key and certificate request, submits the request to be
        signed by the SLCS CA and returns the certificate.
        """
        logger.debug("Retrieve certificate with token.")

        # Generate a new key pair
        key_pair = crypto.PKey()
        key_pair.generate_key(crypto.TYPE_RSA, 2048)
        private_key = crypto.dump_privatekey(crypto.FILETYPE_PEM, key_pair).decode("utf-8")

        # Generate a certificate request using that key-pair
        cert_request = crypto.X509Req()

        # Create public key object
        cert_request.set_pubkey(key_pair)

        # Add the public key to the request
        cert_request.sign(key_pair, 'md5')
        der_cert_req = crypto.dump_certificate_request(crypto.FILETYPE_ASN1, cert_request)

        encoded_cert_req = base64.b64encode(der_cert_req)

        # Build the OAuth session object
        token = {'access_token': access_token, 'token_type': 'Bearer'}
        client = OAuth2Session(token=token)

        response = client.post(
            self.certificate_url,
            data={'certificate_request': encoded_cert_req},
            verify=False,
            timeout=timeout,
        )

        if response.ok:
            content = "{} {}".format(response.text, private_key)
            with open(self.esgf_credentials, 'w') as fh:
                fh.write(content)
            logger.debug('Fetched certificate successfully.')
        else:
            msg = "Could not get certificate: {} {}".format(response.status_code, response.reason)
            raise Exception(msg)
        return True
def _retrieve_certificate ( self , access_token , timeout = 3 ) : logger . debug ( "Retrieve certificate with token." ) # Generate a new key pair key_pair = crypto . PKey ( ) key_pair . generate_key ( crypto . TYPE_RSA , 2048 ) private_key = crypto . dump_privatekey ( crypto . FILETYPE_PEM , key_pair ) . decode ( "utf-8" ) # Generate a certificate request using that key-pair cert_request = crypto . X509Req ( ) # Create public key object cert_request . set_pubkey ( key_pair ) # Add the public key to the request cert_request . sign ( key_pair , 'md5' ) der_cert_req = crypto . dump_certificate_request ( crypto . FILETYPE_ASN1 , cert_request ) encoded_cert_req = base64 . b64encode ( der_cert_req ) # Build the OAuth session object token = { 'access_token' : access_token , 'token_type' : 'Bearer' } client = OAuth2Session ( token = token ) response = client . post ( self . certificate_url , data = { 'certificate_request' : encoded_cert_req } , verify = False , timeout = timeout , ) if response . ok : content = "{} {}" . format ( response . text , private_key ) with open ( self . esgf_credentials , 'w' ) as fh : fh . write ( content ) logger . debug ( 'Fetched certificate successfully.' ) else : msg = "Could not get certificate: {} {}" . format ( response . status_code , response . reason ) raise Exception ( msg ) return True
Generates a new private key and certificate request, submits the request to be
        signed by the SLCS CA and returns the certificate.
Generates a new private key and certificate request submits the request to be signed by the SLCS CA and returns the certificate .