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
def clean_username(self): value = self.cleaned_data['username'] try: validations.validate_username(value) except ValidationError, err: raise forms.ValidationError, str(err)
def clean_username(self): value = self.cleaned_data["username"] try: validations.validate_username(value) except ValidationError, err: raise forms.ValidationError, str(err)