class RegionForm(Form):
username = UsernameField(_("Pick a username for the admin account:"),
help=_("Enter the administrative username."))
password = PasswordField(
_("Choose a password:"******"Please enter the password for this account."))
def validate_username(self):
if len(self.username.value) < 1:
return _("Username missing")
if len(self.username.value) > USERNAME_MAXLEN:
return _("Username too long, must be < ") + str(USERNAME_MAXLEN)
if not re.match(r'[a-z_][a-z0-9_-]*', self.username.value):
return _("Username must match NAME_REGEX, i.e. [a-z_][a-z0-9_-]*")
def validate_password(self):
if len(self.password.value) < 1:
return _("Password must be set")
class SSHForm(Form):
install_server = BooleanField(_("Install OpenSSH server"))
ssh_import_id = ChoiceField(
_("Import SSH identity:"),
choices=[
(_("No"), True, None),
(_("from GitHub"), True, "gh"),
(_("from Launchpad"), True, "lp"),
],
help=_("You can import your SSH keys from GitHub or Launchpad."))
import_username = UsernameField(_ssh_import_data[None]['caption'])
pwauth = BooleanField(_("Allow password authentication over SSH"))
cancel_label = _("Back")
def __init__(self, initial):
super().__init__(initial=initial)
connect_signal(
self.install_server.widget, 'change', self._toggle_server)
self._toggle_server(None, self.install_server.value)
def _toggle_server(self, sender, new_value):
if new_value:
self.ssh_import_id.enabled = True
self.import_username.enabled = self.ssh_import_id.value is not None
self.pwauth.enabled = self.ssh_import_id.value is not None
else:
self.ssh_import_id.enabled = False
self.import_username.enabled = False
self.pwauth.enabled = False
# validation of the import username does not read from
# ssh_import_id.value because it is sometimes done from the
# 'select' signal of the import id selector, which is called
# before the import id selector's value has actually changed. so
# the signal handler stuffs the value here before doing
# validation (yes, this is a hack).
ssh_import_id_value = None
def validate_import_username(self):
if self.ssh_import_id_value is None:
return
username = self.import_username.value
if len(username) == 0:
return _("This field must not be blank.")
if len(username) > SSH_IMPORT_MAXLEN:
return _("SSH id too long, must be < ") + str(SSH_IMPORT_MAXLEN)
if self.ssh_import_id_value == 'lp':
lp_regex = r"^[a-z0-9][a-z0-9\+\.\-]*$"
if not re.match(lp_regex, self.import_username.value):
return _("A Launchpad username must start with a letter or "
"number. All letters must be lower-case. The "
"characters +, - and . are also allowed after "
"the first character.""")
elif self.ssh_import_id_value == 'gh':
if not re.match(r'^[a-zA-Z0-9\-]+$', username):
return _("A GitHub username may only contain alphanumeric "
"characters or single hyphens, and cannot begin or "
"end with a hyphen.")