def check_subdomain_available(subdomain: str,
allow_reserved_subdomain: bool = False) -> None:
error_strings = {
"too short":
_("Subdomain needs to have length 3 or greater."),
"extremal dash":
_("Subdomain cannot start or end with a '-'."),
"bad character":
_("Subdomain can only have lowercase letters, numbers, and '-'s."),
"unavailable":
_("Subdomain unavailable. Please choose a different one."),
}
if subdomain == Realm.SUBDOMAIN_FOR_ROOT_DOMAIN:
if is_root_domain_available():
return
raise ValidationError(error_strings["unavailable"])
if subdomain[0] == "-" or subdomain[-1] == "-":
raise ValidationError(error_strings["extremal dash"])
if not re.match("^[a-z0-9-]*$", subdomain):
raise ValidationError(error_strings["bad character"])
if len(subdomain) < 3:
raise ValidationError(error_strings["too short"])
if Realm.objects.filter(string_id=subdomain).exists():
raise ValidationError(error_strings["unavailable"])
if is_reserved_subdomain(subdomain) and not allow_reserved_subdomain:
raise ValidationError(error_strings["unavailable"])
def check_subdomain_available(subdomain: str) -> None:
error_strings = {
'too short': _("Subdomain needs to have length 3 or greater."),
'extremal dash': _("Subdomain cannot start or end with a '-'."),
'bad character': _("Subdomain can only have lowercase letters, numbers, and '-'s."),
'unavailable': _("Subdomain unavailable. Please choose a different one.")}
if subdomain == Realm.SUBDOMAIN_FOR_ROOT_DOMAIN:
if is_root_domain_available():
return
raise ValidationError(error_strings['unavailable'])
if len(subdomain) < 3:
raise ValidationError(error_strings['too short'])
if subdomain[0] == '-' or subdomain[-1] == '-':
raise ValidationError(error_strings['extremal dash'])
if not re.match('^[a-z0-9-]*$', subdomain):
raise ValidationError(error_strings['bad character'])
if is_reserved_subdomain(subdomain) or \
get_realm(subdomain) is not None:
raise ValidationError(error_strings['unavailable'])
def accounts_register(request: HttpRequest) -> HttpResponse:
key = request.POST['key']
confirmation = Confirmation.objects.get(confirmation_key=key)
prereg_user = confirmation.content_object
email = prereg_user.email
realm_creation = prereg_user.realm_creation
password_required = prereg_user.password_required
is_realm_admin = prereg_user.invited_as_admin or realm_creation
try:
validators.validate_email(email)
except ValidationError:
return render(request, "zerver/invalid_email.html", context={"invalid_email": True})
if realm_creation:
# For creating a new realm, there is no existing realm or domain
realm = None
else:
realm = get_realm(get_subdomain(request))
if realm is None or realm != prereg_user.realm:
return render_confirmation_key_error(
request, ConfirmationKeyException(ConfirmationKeyException.DOES_NOT_EXIST))
try:
email_allowed_for_realm(email, realm)
except DomainNotAllowedForRealmError:
return render(request, "zerver/invalid_email.html",
context={"realm_name": realm.name, "closed_domain": True})
except DisposableEmailError:
return render(request, "zerver/invalid_email.html",
context={"realm_name": realm.name, "disposable_emails_not_allowed": True})
except EmailContainsPlusError:
return render(request, "zerver/invalid_email.html",
context={"realm_name": realm.name, "email_contains_plus": True})
if realm.deactivated:
# The user is trying to register for a deactivated realm. Advise them to
# contact support.
return redirect_to_deactivation_notice()
try:
validate_email_for_realm(realm, email)
except ValidationError: # nocoverage # We need to add a test for this.
return HttpResponseRedirect(reverse('django.contrib.auth.views.login') + '?email=' +
urllib.parse.quote_plus(email))
name_validated = False
full_name = None
if request.POST.get('from_confirmation'):
try:
del request.session['authenticated_full_name']
except KeyError:
pass
if realm is not None and realm.is_zephyr_mirror_realm:
# For MIT users, we can get an authoritative name from Hesiod.
# Technically we should check that this is actually an MIT
# realm, but we can cross that bridge if we ever get a non-MIT
# zephyr mirroring realm.
hesiod_name = compute_mit_user_fullname(email)
form = RegistrationForm(
initial={'full_name': hesiod_name if "@" not in hesiod_name else ""},
realm_creation=realm_creation)
name_validated = True
elif settings.POPULATE_PROFILE_VIA_LDAP:
for backend in get_backends():
if isinstance(backend, LDAPBackend):
try:
ldap_username = backend.django_to_ldap_username(email)
except ZulipLDAPException:
logging.warning("New account email %s could not be found in LDAP" % (email,))
form = RegistrationForm(realm_creation=realm_creation)
break
ldap_attrs = _LDAPUser(backend, ldap_username).attrs
try:
ldap_full_name = ldap_attrs[settings.AUTH_LDAP_USER_ATTR_MAP['full_name']][0]
request.session['authenticated_full_name'] = ldap_full_name
name_validated = True
# We don't use initial= here, because if the form is
# complete (that is, no additional fields need to be
# filled out by the user) we want the form to validate,
# so they can be directly registered without having to
# go through this interstitial.
form = RegistrationForm({'full_name': ldap_full_name},
realm_creation=realm_creation)
# FIXME: This will result in the user getting
# validation errors if they have to enter a password.
# Not relevant for ONLY_SSO, though.
break
except TypeError:
# Let the user fill out a name and/or try another backend
form = RegistrationForm(realm_creation=realm_creation)
elif 'full_name' in request.POST:
form = RegistrationForm(
initial={'full_name': request.POST.get('full_name')},
realm_creation=realm_creation
)
else:
form = RegistrationForm(realm_creation=realm_creation)
else:
postdata = request.POST.copy()
if name_changes_disabled(realm):
# If we populate profile information via LDAP and we have a
# verified name from you on file, use that. Otherwise, fall
# back to the full name in the request.
try:
postdata.update({'full_name': request.session['authenticated_full_name']})
name_validated = True
except KeyError:
pass
form = RegistrationForm(postdata, realm_creation=realm_creation)
if not (password_auth_enabled(realm) and password_required):
form['password'].field.required = False
if form.is_valid():
if password_auth_enabled(realm):
password = form.cleaned_data['password']
else:
# SSO users don't need no passwords
password = None
if realm_creation:
string_id = form.cleaned_data['realm_subdomain']
realm_name = form.cleaned_data['realm_name']
realm = do_create_realm(string_id, realm_name)
setup_initial_streams(realm)
setup_realm_internal_bots(realm)
assert(realm is not None)
full_name = form.cleaned_data['full_name']
short_name = email_to_username(email)
default_stream_group_names = request.POST.getlist('default_stream_group')
default_stream_groups = lookup_default_stream_groups(default_stream_group_names, realm)
timezone = ""
if 'timezone' in request.POST and request.POST['timezone'] in get_all_timezones():
timezone = request.POST['timezone']
if 'source_realm' in request.POST and request.POST["source_realm"] != "on":
source_profile = get_source_profile(email, request.POST["source_realm"])
else:
source_profile = None
if not realm_creation:
try:
existing_user_profile = get_user(email, realm) # type: Optional[UserProfile]
except UserProfile.DoesNotExist:
existing_user_profile = None
else:
existing_user_profile = None
return_data = {} # type: Dict[str, bool]
if ldap_auth_enabled(realm):
# If the user was authenticated using an external SSO
# mechanism like Google or GitHub auth, then authentication
# will have already been done before creating the
# PreregistrationUser object with password_required=False, and
# so we don't need to worry about passwords.
#
# If instead the realm is using EmailAuthBackend, we will
# set their password above.
#
# But if the realm is using LDAPAuthBackend, we need to verify
# their LDAP password (which will, as a side effect, create
# the user account) here using authenticate.
auth_result = authenticate(request,
username=email,
password=password,
realm=realm,
return_data=return_data)
if auth_result is not None:
# Since we'll have created a user, we now just log them in.
return login_and_go_to_home(request, auth_result)
if return_data.get("outside_ldap_domain") and email_auth_enabled(realm):
# If both the LDAP and Email auth backends are
# enabled, and the user's email is outside the LDAP
# domain, then the intent is to create a user in the
# realm with their email outside the LDAP organization
# (with e.g. a password stored in the Zulip database,
# not LDAP). So we fall through and create the new
# account.
#
# It's likely that we can extend this block to the
# Google and GitHub auth backends with no code changes
# other than here.
pass
else:
# TODO: This probably isn't going to give a
# user-friendly error message, but it doesn't
# particularly matter, because the registration form
# is hidden for most users.
return HttpResponseRedirect(reverse('django.contrib.auth.views.login') + '?email=' +
urllib.parse.quote_plus(email))
if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
user_profile = existing_user_profile
do_activate_user(user_profile)
do_change_password(user_profile, password)
do_change_full_name(user_profile, full_name, user_profile)
do_set_user_display_setting(user_profile, 'timezone', timezone)
# TODO: When we clean up the `do_activate_user` code path,
# make it respect invited_as_admin / is_realm_admin.
else:
user_profile = do_create_user(email, password, realm, full_name, short_name,
prereg_user=prereg_user, is_realm_admin=is_realm_admin,
tos_version=settings.TOS_VERSION,
timezone=timezone,
newsletter_data={"IP": request.META['REMOTE_ADDR']},
default_stream_groups=default_stream_groups,
source_profile=source_profile)
if realm_creation:
bulk_add_subscriptions([realm.signup_notifications_stream], [user_profile])
send_initial_realm_messages(realm)
# Because for realm creation, registration happens on the
# root domain, we need to log them into the subdomain for
# their new realm.
return redirect_and_log_into_subdomain(realm, full_name, email)
# This dummy_backend check below confirms the user is
# authenticating to the correct subdomain.
auth_result = authenticate(username=user_profile.email,
realm=realm,
return_data=return_data,
use_dummy_backend=True)
if return_data.get('invalid_subdomain'):
# By construction, this should never happen.
logging.error("Subdomain mismatch in registration %s: %s" % (
realm.subdomain, user_profile.email,))
return redirect('/')
return login_and_go_to_home(request, auth_result)
return render(
request,
'zerver/register.html',
context={'form': form,
'email': email,
'key': key,
'full_name': request.session.get('authenticated_full_name', None),
'lock_name': name_validated and name_changes_disabled(realm),
# password_auth_enabled is normally set via our context processor,
# but for the registration form, there is no logged in user yet, so
# we have to set it here.
'creating_new_team': realm_creation,
'password_required': password_auth_enabled(realm) and password_required,
'password_auth_enabled': password_auth_enabled(realm),
'root_domain_available': is_root_domain_available(),
'default_stream_groups': get_default_stream_groups(realm),
'accounts': get_accounts_for_email(email),
'MAX_REALM_NAME_LENGTH': str(Realm.MAX_REALM_NAME_LENGTH),
'MAX_NAME_LENGTH': str(UserProfile.MAX_NAME_LENGTH),
'MAX_PASSWORD_LENGTH': str(form.MAX_PASSWORD_LENGTH),
'MAX_REALM_SUBDOMAIN_LENGTH': str(Realm.MAX_REALM_SUBDOMAIN_LENGTH)
}
)
