def create_new_node_object(node_string, node_info, donated_vesselname): """ <Purpose> Create a new node entry in the database with a newly generated per node key <Arguments> node_string - the address of the node node_info - information about the node vesselname - the name of the extra vessel <Exceptions> None <Side Effects> None <Return> Returns a database node object """ nodeID = _do_rsa_publickey_to_string(node_info['nodekey']) (ip_or_nat_string, port_num) = split_node_string(node_string) # Generate a new set of keys for the node. The pubkey gets passed # down to us while the private key is stored in a database elsewhere. log("Generating new keys for node owner_key....") new_node_owner_pubkey = backend.generate_key(ip_or_nat_string+". "+nodeID) log("Generated publickey for node "+node_string+" : "+str(new_node_owner_pubkey)) try: # Attempt to add new node to db. database_nodeobject = maindb.create_node(nodeID, ip_or_nat_string, port_num, node_info['version'], False, new_node_owner_pubkey, donated_vesselname) log("Added node to the database with nodeID: " + nodeID) except: raise DatabaseError("Failed to create node and add to database. " + traceback.format_exc()) return database_nodeobject
def register_user(username, password, email, affiliation, pubkey=None): """ <Purpose> Creates a user record with the specified information and sets any additional information necessary for the user record to be complete. <Arguments> username password email affiliation pubkey Optional. A string. If not provided, a key pair will be generated for this user. <Exceptions> UsernameAlreadyExistsError If there is already a user with the specified username. ValidationError If any of the arguments contains invalid values or if the username is the same as the password. <Side Effects> The user record in the django db is created as well as a user record in the corresponding user profile table that stores our custom information. A port will be assigned to the user and the user's donation keys will be set. <Returns> GeniUser instance (our GeniUser model, not the django User) corresponding to the newly registered user. """ # If the frontend code that called this function wants to know which field # is invalid, it must call the validation functions itself before making the # call to register_user(). # These will raise a ValidationError if any of the fields are invalid. # These ensure that the data is of the correct type (e.g. a string) as well as # that we like the content of the variable. validations.validate_username(username) validations.validate_password(password) validations.validate_username_and_password_different(username, password) validations.validate_email(email) validations.validate_affiliation(affiliation) if pubkey is not None: validations.validate_pubkey_string(pubkey) # Lock the user. lockserver_handle = lockserver.create_lockserver_handle() lockserver.lock_user(lockserver_handle, username) try: # Ensure there is not already a user with this username. try: # Raises a DoesNotExistError if the user doesn't exist. maindb.get_user(username) raise UsernameAlreadyExistsError except DoesNotExistError: # This is what we wanted: the username isn't already taken. pass # Get a key pair from the keygen api if the user didn't supply their own pubkey. if pubkey is None: (pubkey, privkey) = keygen.generate_keypair() else: privkey = None # Generate a donor key for this user. This is done through the backend # as the private key must be stored in the keydb, which the website cannot # directly access. keydescription = "donor:" + username donor_pubkey = backend.generate_key(keydescription) # Create the user record. geniuser = maindb.create_user(username, password, email, affiliation, pubkey, privkey, donor_pubkey) finally: # Unlock the user. lockserver.unlock_user(lockserver_handle, username) lockserver.destroy_lockserver_handle(lockserver_handle) return geniuser