def assemble_certificates()

in rpi-image-builder/aws-iot-fleet-provisioning/provisioning_handler.py [0:0]

• 13 lines of code
• 1 McCabe index (conditional complexity)

    def assemble_certificates(self, payload):
        """ Method takes the payload and constructs/saves the certificate and private key. Method uses
        existing AWS IoT Core naming convention.
        
        Arguments:
            payload {string} -- Certifiable certificate/key data.

        Returns:
            ownership_token {string} -- proof of ownership from certificate issuance activity.
        """
        ### Cert ID 
        cert_id = payload['certificateId']
        self.new_key_root = cert_id[0:10]

        self.new_cert_name = '{}-certificate.pem.crt'.format(self.new_key_root)
        ### Create certificate
        f = open('{}/{}'.format(self.secure_cert_path, self.new_cert_name), 'w+')
        f.write(payload['certificatePem'])
        f.close()
        

        ### Create private key
        self.new_key_name = '{}-private.pem.key'.format(self.new_key_root)
        f = open('{}/{}'.format(self.secure_cert_path, self.new_key_name), 'w+')
        f.write(payload['privateKey'])
        f.close()

        ### Extract/return Ownership token
        self.ownership_token = payload['certificateOwnershipToken']
        
        # Register newly aquired cert
        self.register_thing(self.unique_id, self.ownership_token)