def oauth_redirect_to_root(
request: HttpRequest,
url: str,
sso_type: str,
is_signup: bool = False,
extra_url_params: Dict[str, str] = {},
next: Optional[str] = REQ(default=None),
multiuse_object_key: str = REQ(default=""),
mobile_flow_otp: Optional[str] = REQ(default=None),
desktop_flow_otp: Optional[str] = REQ(default=None),
) -> HttpResponse:
main_site_uri = settings.ROOT_DOMAIN_URI + url
if settings.SOCIAL_AUTH_SUBDOMAIN is not None and sso_type == "social":
main_site_uri = (settings.EXTERNAL_URI_SCHEME +
settings.SOCIAL_AUTH_SUBDOMAIN + "." +
settings.EXTERNAL_HOST) + url
params = {
"subdomain": get_subdomain(request),
"is_signup": "1" if is_signup else "0",
}
params["multiuse_object_key"] = multiuse_object_key
# mobile_flow_otp is a one-time pad provided by the app that we
# can use to encrypt the API key when passing back to the app.
validate_otp_params(mobile_flow_otp, desktop_flow_otp)
if mobile_flow_otp is not None:
params["mobile_flow_otp"] = mobile_flow_otp
if desktop_flow_otp is not None:
params["desktop_flow_otp"] = desktop_flow_otp
if next:
params["next"] = next
params = {**params, **extra_url_params}
return redirect(
append_url_query_string(main_site_uri, urllib.parse.urlencode(params)))
def create_response_for_otp_flow(
key: str, otp: str, user_profile: UserProfile, encrypted_key_field_name: str
) -> HttpResponse:
realm_uri = user_profile.realm.uri
# Check if the mobile URI is overridden in settings, if so, replace it
# This block should only apply to the mobile flow, so we if add others, this
# needs to be conditional.
if realm_uri in settings.REALM_MOBILE_REMAP_URIS:
realm_uri = settings.REALM_MOBILE_REMAP_URIS[realm_uri]
params = {
encrypted_key_field_name: otp_encrypt_api_key(key, otp),
"email": user_profile.delivery_email,
"user_id": user_profile.id,
"realm": realm_uri,
}
# We can't use HttpResponseRedirect, since it only allows HTTP(S) URLs
response = HttpResponse(status=302)
response["Location"] = append_url_query_string("zulip://login", urllib.parse.urlencode(params))
return response
def test_create_bigbluebutton_link(self) -> None:
with mock.patch("zerver.views.video_calls.random.randint", return_value="1"), mock.patch(
"secrets.token_bytes", return_value=b"\x00" * 20
):
response = self.client_get(
"/json/calls/bigbluebutton/create?meeting_name=general > meeting"
)
response_dict = self.assert_json_success(response)
self.assertEqual(
response_dict["url"],
append_url_query_string(
"/calls/bigbluebutton/join",
"bigbluebutton="
+ self.signer.sign_object(
{
"meeting_id": "zulip-1",
"name": "general > meeting",
"password": "******" * 32,
}
),
),
)
def password_reset(request: HttpRequest) -> HttpResponse:
if is_subdomain_root_or_alias(request) and settings.ROOT_DOMAIN_LANDING_PAGE:
redirect_url = append_url_query_string(
reverse("realm_redirect"), urlencode({"next": reverse("password_reset")})
)
return HttpResponseRedirect(redirect_url)
try:
response = DjangoPasswordResetView.as_view(
template_name="zerver/reset.html",
form_class=ZulipPasswordResetForm,
success_url="/accounts/password/reset/done/",
)(request)
except RateLimited as e:
assert e.secs_to_freedom is not None
return render(
request,
"zerver/rate_limit_exceeded.html",
context={"retry_after": int(e.secs_to_freedom)},
status=429,
)
assert isinstance(response, HttpResponse)
return response
def get_gravatar_url(email: str,
avatar_version: int,
medium: bool = False) -> str:
url = _get_unversioned_gravatar_url(email, medium)
return append_url_query_string(url, f"version={avatar_version:d}")
def join_bigbluebutton(
request: HttpRequest, bigbluebutton: str = REQ()) -> HttpResponse:
assert request.user.is_authenticated
if settings.BIG_BLUE_BUTTON_URL is None or settings.BIG_BLUE_BUTTON_SECRET is None:
raise JsonableError(_("BigBlueButton is not configured."))
try:
bigbluebutton_data = Signer().unsign_object(bigbluebutton)
except Exception:
raise JsonableError(_("Invalid signature."))
create_params = urlencode(
{
"meetingID": bigbluebutton_data["meeting_id"],
"name": bigbluebutton_data["name"],
"moderatorPW": bigbluebutton_data["password"],
# We generate the attendee password from moderatorPW,
# because the BigBlueButton API requires a separate
# password. This integration is designed to have all users
# join as moderators, so we generate attendeePW by
# truncating the moderatorPW while keeping it long enough
# to not be vulnerable to brute force attacks.
"attendeePW": bigbluebutton_data["password"][:16],
},
quote_via=quote,
)
checksum = hashlib.sha256(
("create" + create_params +
settings.BIG_BLUE_BUTTON_SECRET).encode()).hexdigest()
try:
response = VideoCallSession().get(
append_url_query_string(
settings.BIG_BLUE_BUTTON_URL + "api/create", create_params) +
"&checksum=" + checksum)
response.raise_for_status()
except requests.RequestException:
raise JsonableError(_("Error connecting to the BigBlueButton server."))
payload = ElementTree.fromstring(response.text)
if payload.find("messageKey").text == "checksumError":
raise JsonableError(
_("Error authenticating to the BigBlueButton server."))
if payload.find("returncode").text != "SUCCESS":
raise JsonableError(
_("BigBlueButton server returned an unexpected error."))
join_params = urlencode(
{
"meetingID": bigbluebutton_data["meeting_id"],
# We use the moderator password here to grant ever user
# full moderator permissions to the bigbluebutton session.
"password": bigbluebutton_data["password"],
"fullName": request.user.full_name,
# https://docs.bigbluebutton.org/dev/api.html#create
# The createTime option is used to have the user redirected to a link
# that is only valid for this meeting.
#
# Even if the same link in Zulip is used again, a new
# createTime parameter will be created, as the meeting on
# the BigBlueButton server has to be recreated. (after a
# few minutes)
"createTime": payload.find("createTime").text,
},
quote_via=quote,
)
checksum = hashlib.sha256(
("join" + join_params +
settings.BIG_BLUE_BUTTON_SECRET).encode()).hexdigest()
redirect_url_base = append_url_query_string(
settings.BIG_BLUE_BUTTON_URL + "api/join", join_params)
return redirect(
append_url_query_string(redirect_url_base, "checksum=" + checksum))
def find_account(
request: HttpRequest, raw_emails: Optional[str] = REQ("emails", default=None)
) -> HttpResponse:
url = reverse("find_account")
emails: List[str] = []
if request.method == "POST":
form = FindMyTeamForm(request.POST)
if form.is_valid():
emails = form.cleaned_data["emails"]
for i in range(len(emails)):
try:
rate_limit_request_by_ip(request, domain="sends_email_by_ip")
except RateLimited as e:
assert e.secs_to_freedom is not None
return render(
request,
"zerver/rate_limit_exceeded.html",
context={"retry_after": int(e.secs_to_freedom)},
status=429,
)
# Django doesn't support __iexact__in lookup with EmailField, so we have
# to use Qs to get around that without needing to do multiple queries.
emails_q = Q()
for email in emails:
emails_q |= Q(delivery_email__iexact=email)
user_profiles = UserProfile.objects.filter(
emails_q, is_active=True, is_bot=False, realm__deactivated=False
)
# We organize the data in preparation for sending exactly
# one outgoing email per provided email address, with each
# email listing all of the accounts that email address has
# with the current Zulip server.
context: Dict[str, Dict[str, Any]] = {}
for user in user_profiles:
key = user.delivery_email.lower()
context.setdefault(key, {})
context[key].setdefault("realms", [])
context[key]["realms"].append(user.realm)
context[key]["external_host"] = settings.EXTERNAL_HOST
# This value will end up being the last user ID among
# matching accounts; since it's only used for minor
# details like language, that arbitrary choice is OK.
context[key]["to_user_id"] = user.id
for delivery_email, realm_context in context.items():
realm_context["email"] = delivery_email
send_email(
"zerver/emails/find_team",
to_user_ids=[realm_context["to_user_id"]],
context=realm_context,
from_address=FromAddress.SUPPORT,
request=request,
)
# Note: Show all the emails in the result otherwise this
# feature can be used to ascertain which email addresses
# are associated with Zulip.
data = urllib.parse.urlencode({"emails": ",".join(emails)})
return redirect(append_url_query_string(url, data))
else:
form = FindMyTeamForm()
# The below validation is perhaps unnecessary, in that we
# shouldn't get able to get here with an invalid email unless
# the user hand-edits the URLs.
if raw_emails:
for email in raw_emails.split(","):
try:
validators.validate_email(email)
emails.append(email)
except ValidationError:
pass
return render(
request,
"zerver/find_account.html",
context={"form": form, "current_url": lambda: url, "emails": emails},
)
def redirect_to_email_login_url(email: str) -> HttpResponseRedirect:
login_url = reverse("login")
redirect_url = append_url_query_string(
login_url, urlencode({"email": email, "already_registered": 1})
)
return HttpResponseRedirect(redirect_url)
def accounts_register(
request: HttpRequest,
key: str = REQ(default=""),
timezone: str = REQ(default="", converter=to_timezone_or_empty),
from_confirmation: Optional[str] = REQ(default=None),
form_full_name: Optional[str] = REQ("full_name", default=None),
source_realm_id: Optional[int] = REQ(
default=None, converter=to_converted_or_fallback(to_non_negative_int, None)
),
) -> HttpResponse:
try:
prereg_user = check_prereg_key(request, key)
except ConfirmationKeyException as e:
return render_confirmation_key_error(request, e)
email = prereg_user.email
realm_creation = prereg_user.realm_creation
password_required = prereg_user.password_required
role = prereg_user.invited_as
if realm_creation:
role = UserProfile.ROLE_REALM_OWNER
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:
assert prereg_user.realm is not None
if get_subdomain(request) != prereg_user.realm.string_id:
return render_confirmation_key_error(
request, ConfirmationKeyException(ConfirmationKeyException.DOES_NOT_EXIST)
)
realm = prereg_user.realm
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_not_already_in_realm(realm, email)
except ValidationError:
return redirect_to_email_login_url(email)
if settings.BILLING_ENABLED:
try:
check_spare_licenses_available_for_registering_new_user(realm, email)
except LicenseLimitError:
return render(request, "zerver/no_spare_licenses.html")
name_validated = False
require_ldap_password = False
if from_confirmation:
try:
del request.session["authenticated_full_name"]
except KeyError:
pass
ldap_full_name = None
if settings.POPULATE_PROFILE_VIA_LDAP:
# If the user can be found in LDAP, we'll take the full name from the directory,
# and further down create a form pre-filled with it.
for backend in get_backends():
if isinstance(backend, LDAPBackend):
try:
ldap_username = backend.django_to_ldap_username(email)
except ZulipLDAPExceptionNoMatchingLDAPUser:
logging.warning("New account email %s could not be found in LDAP", email)
break
# Note that this `ldap_user` object is not a
# `ZulipLDAPUser` with a `Realm` attached, so
# calling `.populate_user()` on it will crash.
# This is OK, since we're just accessing this user
# to extract its name.
#
# TODO: We should potentially be accessing this
# user to sync its initial avatar and custom
# profile fields as well, if we indeed end up
# creating a user account through this flow,
# rather than waiting until `manage.py
# sync_ldap_user_data` runs to populate it.
ldap_user = _LDAPUser(backend, ldap_username)
try:
ldap_full_name = backend.get_mapped_name(ldap_user)
except TypeError:
break
# Check whether this is ZulipLDAPAuthBackend,
# which is responsible for authentication and
# requires that LDAP accounts enter their LDAP
# password to register, or ZulipLDAPUserPopulator,
# which just populates UserProfile fields (no auth).
require_ldap_password = isinstance(backend, ZulipLDAPAuthBackend)
break
if ldap_full_name:
# 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)
request.session["authenticated_full_name"] = ldap_full_name
name_validated = True
elif 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 prereg_user.full_name:
if prereg_user.full_name_validated:
request.session["authenticated_full_name"] = prereg_user.full_name
name_validated = True
form = RegistrationForm(
{"full_name": prereg_user.full_name}, realm_creation=realm_creation
)
else:
form = RegistrationForm(
initial={"full_name": prereg_user.full_name}, realm_creation=realm_creation
)
elif form_full_name is not None:
form = RegistrationForm(
initial={"full_name": form_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) and form["password"].field.required:
password = form.cleaned_data["password"]
else:
# If the user wasn't prompted for a password when
# completing the authentication form (because they're
# signing up with SSO and no password is required), set
# the password field to `None` (Which causes Django to
# create an unusable password).
password = None
if realm_creation:
string_id = form.cleaned_data["realm_subdomain"]
realm_name = form.cleaned_data["realm_name"]
realm_type = form.cleaned_data["realm_type"]
is_demo_org = form.cleaned_data["is_demo_organization"]
realm = do_create_realm(
string_id, realm_name, org_type=realm_type, is_demo_organization=is_demo_org
)
setup_realm_internal_bots(realm)
assert realm is not None
full_name = form.cleaned_data["full_name"]
enable_marketing_emails = form.cleaned_data["enable_marketing_emails"]
default_stream_group_names = request.POST.getlist("default_stream_group")
default_stream_groups = lookup_default_stream_groups(default_stream_group_names, realm)
if source_realm_id is not None:
# Non-integer realm_id values like "string" are treated
# like the "Do not import" value of "".
source_profile: Optional[UserProfile] = get_source_profile(email, source_realm_id)
else:
source_profile = None
if not realm_creation:
try:
existing_user_profile: Optional[UserProfile] = get_user_by_delivery_email(
email, realm
)
except UserProfile.DoesNotExist:
existing_user_profile = None
else:
existing_user_profile = None
user_profile: Optional[UserProfile] = None
return_data: 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.
# pregeg_user.realm_creation carries the information about whether
# we're in realm creation mode, and the ldap flow will handle
# that and create the user with the appropriate parameters.
user_profile = authenticate(
request=request,
username=email,
password=password,
realm=realm,
prereg_user=prereg_user,
return_data=return_data,
)
if user_profile is None:
can_use_different_backend = email_auth_enabled(realm) or (
len(get_external_method_dicts(realm)) > 0
)
if settings.LDAP_APPEND_DOMAIN:
# In LDAP_APPEND_DOMAIN configurations, we don't allow making a non-LDAP account
# if the email matches the ldap domain.
can_use_different_backend = can_use_different_backend and (
not email_belongs_to_ldap(realm, email)
)
if return_data.get("no_matching_ldap_user") and can_use_different_backend:
# If both the LDAP and Email or Social auth backends are
# enabled, and there's no matching user in the LDAP
# directory 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.
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.
view_url = reverse("login")
query = urlencode({"email": email})
redirect_url = append_url_query_string(view_url, query)
return HttpResponseRedirect(redirect_url)
elif not realm_creation:
# Since we'll have created a user, we now just log them in.
return login_and_go_to_home(request, user_profile)
else:
# With realm_creation=True, we're going to return further down,
# after finishing up the creation process.
pass
if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
user_profile = existing_user_profile
do_activate_mirror_dummy_user(user_profile, acting_user=user_profile)
do_change_password(user_profile, password)
do_change_full_name(user_profile, full_name, user_profile)
do_change_user_setting(user_profile, "timezone", timezone, acting_user=user_profile)
# TODO: When we clean up the `do_activate_mirror_dummy_user` code path,
# make it respect invited_as_admin / is_realm_admin.
if user_profile is None:
user_profile = do_create_user(
email,
password,
realm,
full_name,
prereg_user=prereg_user,
role=role,
tos_version=settings.TOS_VERSION,
timezone=timezone,
default_stream_groups=default_stream_groups,
source_profile=source_profile,
realm_creation=realm_creation,
acting_user=None,
enable_marketing_emails=enable_marketing_emails,
)
if realm_creation:
assert realm.signup_notifications_stream is not None
bulk_add_subscriptions(
realm, [realm.signup_notifications_stream], [user_profile], acting_user=None
)
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(
ExternalAuthResult(user_profile=user_profile, data_dict={"is_realm_creation": True})
)
# This dummy_backend check below confirms the user is
# authenticating to the correct subdomain.
auth_result = authenticate(
username=user_profile.delivery_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.delivery_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,
"require_ldap_password": require_ldap_password,
"password_auth_enabled": password_auth_enabled(realm),
"root_domain_available": is_root_domain_available(),
"default_stream_groups": [] if realm is None else 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),
"sorted_realm_types": sorted(
Realm.ORG_TYPES.values(), key=lambda d: d["display_order"]
),
},
)
def avatar(
request: HttpRequest,
maybe_user_profile: Union[UserProfile, AnonymousUser],
email_or_id: str,
medium: bool = False,
) -> HttpResponse:
"""Accepts an email address or user ID and returns the avatar"""
is_email = False
try:
int(email_or_id)
except ValueError:
is_email = True
if not maybe_user_profile.is_authenticated:
# Allow anonymous access to avatars only if spectators are
# enabled in the organization.
realm = get_valid_realm_from_request(request)
if not realm.allow_web_public_streams_access():
raise MissingAuthenticationError()
# We only allow the ID format for accessing a user's avatar
# for spectators. This is mainly for defense in depth, since
# email_address_visibility should mean spectators only
# interact with fake email addresses anyway.
if is_email:
raise MissingAuthenticationError()
if settings.RATE_LIMITING:
try:
unique_avatar_key = f"{realm.id}/{email_or_id}/{medium}"
rate_limit_spectator_attachment_access_by_file(
unique_avatar_key)
except RateLimited:
return json_response_from_error(
RateLimited(
_("Too many attempts, please try after some time.")))
else:
realm = maybe_user_profile.realm
try:
if is_email:
avatar_user_profile = get_user_including_cross_realm(
email_or_id, realm)
else:
avatar_user_profile = get_user_by_id_in_realm_including_cross_realm(
int(email_or_id), realm)
# If there is a valid user account passed in, use its avatar
url = avatar_url(avatar_user_profile, medium=medium)
except UserProfile.DoesNotExist:
# If there is no such user, treat it as a new gravatar
email = email_or_id
avatar_version = 1
url = get_gravatar_url(email, avatar_version, medium)
# We can rely on the URL already having query parameters. Because
# our templates depend on being able to use the ampersand to
# add query parameters to our url, get_avatar_url does '?x=x'
# hacks to prevent us from having to jump through decode/encode hoops.
assert url is not None
url = append_url_query_string(url, request.META["QUERY_STRING"])
return redirect(url)
def login_page(
request: HttpRequest,
next: str = REQ(default="/"),
**kwargs: Any,
) -> HttpResponse:
if settings.SOCIAL_AUTH_SUBDOMAIN == get_subdomain(request):
return social_auth_subdomain_login_page(request)
# To support previewing the Zulip login pages, we have a special option
# that disables the default behavior of redirecting logged-in users to the
# logged-in app.
is_preview = "preview" in request.GET
if settings.TWO_FACTOR_AUTHENTICATION_ENABLED:
if request.user and request.user.is_verified():
return HttpResponseRedirect(request.user.realm.uri)
elif request.user.is_authenticated and not is_preview:
return HttpResponseRedirect(request.user.realm.uri)
if is_subdomain_root_or_alias(
request) and settings.ROOT_DOMAIN_LANDING_PAGE:
redirect_url = reverse("realm_redirect")
if request.GET:
redirect_url = append_url_query_string(redirect_url,
request.GET.urlencode())
return HttpResponseRedirect(redirect_url)
realm = get_realm_from_request(request)
if realm and realm.deactivated:
return redirect_to_deactivation_notice()
extra_context = kwargs.pop("extra_context", {})
extra_context["next"] = next
if dev_auth_enabled() and kwargs.get(
"template_name") == "zerver/development/dev_login.html":
from zerver.views.development.dev_login import add_dev_login_context
if "new_realm" in request.POST:
try:
realm = get_realm(request.POST["new_realm"])
except Realm.DoesNotExist:
realm = None
add_dev_login_context(realm, extra_context)
if realm and "new_realm" in request.POST:
# If we're switching realms, redirect to that realm, but
# only if it actually exists.
return HttpResponseRedirect(realm.uri)
if "username" in request.POST:
extra_context["email"] = request.POST["username"]
extra_context.update(login_context(request))
if settings.TWO_FACTOR_AUTHENTICATION_ENABLED:
return start_two_factor_auth(request,
extra_context=extra_context,
**kwargs)
try:
template_response = DjangoLoginView.as_view(
authentication_form=OurAuthenticationForm,
extra_context=extra_context,
**kwargs)(request)
except ZulipLDAPConfigurationError as e:
assert len(e.args) > 1
return redirect_to_misconfigured_ldap_notice(request, e.args[1])
if isinstance(template_response, SimpleTemplateResponse):
# Only those responses that are rendered using a template have
# context_data attribute. This attribute doesn't exist otherwise. It is
# added in SimpleTemplateResponse class, which is a derived class of
# HttpResponse. See django.template.response.SimpleTemplateResponse,
# https://github.com/django/django/blob/2.0/django/template/response.py#L19
update_login_page_context(request, template_response.context_data)
assert isinstance(template_response, HttpResponse)
return template_response
