def clean_email(self) -> str:
"""Returns the email if and only if the user's email address is
allowed to join the realm they are trying to join."""
email = self.cleaned_data['email']
# Otherwise, the user is trying to join a specific realm.
realm = self.realm
from_multiuse_invite = self.from_multiuse_invite
if realm is None:
raise ValidationError(_("The organization you are trying to "
"join using {email} does not "
"exist.").format(email=email))
if not from_multiuse_invite and realm.invite_required:
raise ValidationError(_("Please request an invite for {email} "
"from the organization "
"administrator.").format(email=email))
try:
email_allowed_for_realm(email, realm)
except DomainNotAllowedForRealmError:
raise ValidationError(
_("Your email address, {email}, is not in one of the domains "
"that are allowed to register for accounts in this organization.").format(
string_id=realm.string_id, email=email))
except DisposableEmailError:
raise ValidationError(_("Please use your real email address."))
validate_email_for_realm(realm, email)
if realm.is_zephyr_mirror_realm:
email_is_not_mit_mailing_list(email)
return email
def clean_email(self):
# type: () -> str
"""Returns the email if and only if the user's email address is
allowed to join the realm they are trying to join."""
email = self.cleaned_data['email']
# Otherwise, the user is trying to join a specific realm.
realm = self.realm
from_multiuse_invite = self.from_multiuse_invite
if realm is None:
raise ValidationError(
_("The organization you are trying to "
"join using {email} does not "
"exist.").format(email=email))
if not from_multiuse_invite and realm.invite_required:
raise ValidationError(
_("Please request an invite for {email} "
"from the organization "
"administrator.").format(email=email))
if not email_allowed_for_realm(email, realm):
raise ValidationError(
_("Your email address, {email}, is not in one of the domains "
"that are allowed to register for accounts in this organization."
).format(string_id=realm.string_id, email=email))
validate_email_for_realm(realm, email)
if realm.is_zephyr_mirror_realm:
email_is_not_mit_mailing_list(email)
return email
def accounts_home(
request: HttpRequest,
multiuse_object_key: Optional[str] = "",
multiuse_object: Optional[MultiuseInvite] = None) -> HttpResponse:
realm = get_realm(get_subdomain(request))
if realm is None:
return HttpResponseRedirect(
reverse('zerver.views.registration.find_account'))
if realm.deactivated:
return redirect_to_deactivation_notice()
from_multiuse_invite = False
streams_to_subscribe = None
invited_as = None
if multiuse_object:
realm = multiuse_object.realm
streams_to_subscribe = multiuse_object.streams.all()
from_multiuse_invite = True
invited_as = multiuse_object.invited_as
if request.method == 'POST':
form = HomepageForm(request.POST,
realm=realm,
from_multiuse_invite=from_multiuse_invite)
if form.is_valid():
email = form.cleaned_data['email']
activation_url = prepare_activation_url(
email,
request,
streams=streams_to_subscribe,
invited_as=invited_as)
try:
send_confirm_registration_email(email, activation_url,
request.LANGUAGE_CODE)
except smtplib.SMTPException as e:
logging.error('Error in accounts_home: %s' % (str(e), ))
return HttpResponseRedirect("/config-error/smtp")
return HttpResponseRedirect(
reverse('signup_send_confirm', kwargs={'email': email}))
email = request.POST['email']
try:
validate_email_for_realm(realm, email)
except ValidationError:
return redirect_to_email_login_url(email)
else:
form = HomepageForm(realm=realm)
return render(
request,
'zerver/accounts_home.html',
context={
'form': form,
'current_url': request.get_full_path,
'multiuse_object_key': multiuse_object_key,
'from_multiuse_invite': from_multiuse_invite
},
)
def accounts_home(request):
# type: (HttpRequest) -> HttpResponse
realm = get_realm_from_request(request)
if realm and realm.deactivated:
return redirect_to_deactivation_notice()
if request.method == 'POST':
form = HomepageForm(request.POST, realm=realm)
if form.is_valid():
email = form.cleaned_data['email']
try:
send_registration_completion_email(email, request)
except smtplib.SMTPException as e:
logging.error('Error in accounts_home: %s' % (str(e),))
return HttpResponseRedirect("/config-error/smtp")
return HttpResponseRedirect(reverse('send_confirm', kwargs={'email': email}))
email = request.POST['email']
try:
validate_email_for_realm(realm, email)
except ValidationError:
return redirect_to_email_login_url(email)
else:
form = HomepageForm(realm=realm)
return render(request,
'zerver/accounts_home.html',
context={'form': form, 'current_url': request.get_full_path},
)
def accounts_home(request, multiuse_object=None):
# type: (HttpRequest, Optional[MultiuseInvite]) -> HttpResponse
realm = get_realm(get_subdomain(request))
if realm and realm.deactivated:
return redirect_to_deactivation_notice()
from_multiuse_invite = False
streams_to_subscribe = None
if multiuse_object:
realm = multiuse_object.realm
streams_to_subscribe = multiuse_object.streams.all()
from_multiuse_invite = True
if request.method == 'POST':
form = HomepageForm(request.POST,
realm=realm,
from_multiuse_invite=from_multiuse_invite)
if form.is_valid():
email = form.cleaned_data['email']
try:
send_registration_completion_email(
email, request, streams=streams_to_subscribe)
except smtplib.SMTPException as e:
logging.error('Error in accounts_home: %s' % (str(e), ))
return HttpResponseRedirect("/config-error/smtp")
return HttpResponseRedirect(
reverse('send_confirm', kwargs={'email': email}))
email = request.POST['email']
try:
validate_email_for_realm(realm, email)
except ValidationError:
return redirect_to_email_login_url(email)
else:
form = HomepageForm(realm=realm)
return render(
request,
'zerver/accounts_home.html',
context={
'form': form,
'current_url': request.get_full_path,
'from_multiuse_invite': from_multiuse_invite
},
)
def clean_email(self):
# type: () -> str
"""Returns the email if and only if the user's email address is
allowed to join the realm they are trying to join."""
email = self.cleaned_data['email']
if get_unique_open_realm():
return email
# Otherwise, the user is trying to join a specific realm.
realm = self.realm
if realm is None and not settings.REALMS_HAVE_SUBDOMAINS:
realm = get_realm_by_email_domain(email)
if realm is None:
if settings.REALMS_HAVE_SUBDOMAINS:
raise ValidationError(
_("The organization you are trying to "
"join using {email} does not "
"exist.").format(email=email))
else:
raise ValidationError(
_("Your email address, {email}, does not "
"correspond to any existing "
"organization.").format(email=email))
if realm.invite_required:
raise ValidationError(
_("Please request an invite for {email} "
"from the organization "
"administrator.").format(email=email))
if not email_allowed_for_realm(email, realm):
raise ValidationError(
_("Your email address, {email}, is not in one of the domains "
"that are allowed to register for accounts in this organization."
).format(string_id=realm.string_id, email=email))
validate_email_for_realm(realm, email)
if realm.is_zephyr_mirror_realm:
email_is_not_mit_mailing_list(email)
return email
def accounts_home(request: HttpRequest, multiuse_object: Optional[MultiuseInvite]=None) -> HttpResponse:
realm = get_realm(get_subdomain(request))
if realm is None:
return HttpResponseRedirect(reverse('zerver.views.registration.find_account'))
if realm.deactivated:
return redirect_to_deactivation_notice()
from_multiuse_invite = False
streams_to_subscribe = None
if multiuse_object:
realm = multiuse_object.realm
streams_to_subscribe = multiuse_object.streams.all()
from_multiuse_invite = True
if request.method == 'POST':
form = HomepageForm(request.POST, realm=realm, from_multiuse_invite=from_multiuse_invite)
if form.is_valid():
email = form.cleaned_data['email']
activation_url = prepare_activation_url(email, request, streams=streams_to_subscribe)
try:
send_confirm_registration_email(email, activation_url)
except smtplib.SMTPException as e:
logging.error('Error in accounts_home: %s' % (str(e),))
return HttpResponseRedirect("/config-error/smtp")
return HttpResponseRedirect(reverse('send_confirm', kwargs={'email': email}))
email = request.POST['email']
try:
validate_email_for_realm(realm, email)
except ValidationError:
return redirect_to_email_login_url(email)
else:
form = HomepageForm(realm=realm)
return render(request,
'zerver/accounts_home.html',
context={'form': form, 'current_url': request.get_full_path,
'from_multiuse_invite': from_multiuse_invite},
)
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 == PreregistrationUser.INVITE_AS[
'REALM_ADMIN'] or realm_creation
is_guest = prereg_user.invited_as == PreregistrationUser.INVITE_AS[
'GUEST_USER']
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:
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_for_realm(realm, email)
except ValidationError:
return HttpResponseRedirect(
reverse('django.contrib.auth.views.login') + '?email=' +
urllib.parse.quote_plus(email))
name_validated = False
full_name = None
require_ldap_password = False
if request.POST.get('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 '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) 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 = do_create_realm(string_id, realm_name)
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_by_delivery_email(
email, realm) # type: Optional[UserProfile]
except UserProfile.DoesNotExist:
existing_user_profile = None
else:
existing_user_profile = None
user_profile = None # type: Optional[UserProfile]
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.
# 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,
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 any_social_backend_enabled(realm)
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.
return HttpResponseRedirect(
reverse('django.contrib.auth.views.login') +
'?email=' + urllib.parse.quote_plus(email))
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_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.
if user_profile is None:
user_profile = do_create_user(
email,
password,
realm,
full_name,
short_name,
prereg_user=prereg_user,
is_realm_admin=is_realm_admin,
is_guest=is_guest,
tos_version=settings.TOS_VERSION,
timezone=timezone,
newsletter_data={"IP": request.META['REMOTE_ADDR']},
default_stream_groups=default_stream_groups,
source_profile=source_profile,
realm_creation=realm_creation)
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.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': 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)
})
def get_or_build_user(self, username: str, ldap_user: _LDAPUser) -> Tuple[UserProfile, bool]:
"""The main function of our authentication backend extension of
django-auth-ldap. When this is called (from `authenticate`),
django-auth-ldap will already have verified that the provided
username and password match those in the LDAP database.
This function's responsibility is to check (1) whether the
email address for this user obtained from LDAP has an active
account in this Zulip realm. If so, it will log them in.
Otherwise, to provide a seamless Single Sign-On experience
with LDAP, this function can automatically create a new Zulip
user account in the realm (assuming the realm is configured to
allow that email address to sign up).
"""
return_data = {} # type: Dict[str, Any]
if settings.LDAP_EMAIL_ATTR is not None:
# Get email from ldap attributes.
if settings.LDAP_EMAIL_ATTR not in ldap_user.attrs:
return_data["ldap_missing_attribute"] = settings.LDAP_EMAIL_ATTR
raise ZulipLDAPException("LDAP user doesn't have the needed %s attribute" % (
settings.LDAP_EMAIL_ATTR,))
username = ldap_user.attrs[settings.LDAP_EMAIL_ATTR][0]
if 'userAccountControl' in settings.AUTH_LDAP_USER_ATTR_MAP: # nocoverage
ldap_disabled = self.is_account_control_disabled_user(ldap_user)
if ldap_disabled:
# Treat disabled users as deactivated in Zulip.
return_data["inactive_user"] = True
raise ZulipLDAPException("User has been deactivated")
user_profile = common_get_active_user(username, self._realm, return_data)
if user_profile is not None:
# An existing user, successfully authed; return it.
return user_profile, False
if return_data.get("inactive_realm"):
# This happens if there is a user account in a deactivated realm
raise ZulipLDAPException("Realm has been deactivated")
if return_data.get("inactive_user"):
raise ZulipLDAPException("User has been deactivated")
# An invalid_subdomain `return_data` value here is ignored,
# since that just means we're trying to create an account in a
# second realm on the server (`ldap_auth_enabled(realm)` would
# have been false if this user wasn't meant to have an account
# in this second realm).
if self._realm.deactivated:
# This happens if no account exists, but the realm is
# deactivated, so we shouldn't create a new user account
raise ZulipLDAPException("Realm has been deactivated")
# Makes sure that email domain hasn't be restricted for this
# realm. The main thing here is email_allowed_for_realm; but
# we also call validate_email_for_realm just for consistency,
# even though its checks were already done above.
try:
email_allowed_for_realm(username, self._realm)
validate_email_for_realm(self._realm, username)
except DomainNotAllowedForRealmError:
raise ZulipLDAPException("This email domain isn't allowed in this organization.")
except (DisposableEmailError, EmailContainsPlusError):
raise ZulipLDAPException("Email validation failed.")
# We have valid LDAP credentials; time to create an account.
full_name, short_name = self.get_mapped_name(ldap_user)
try:
full_name = check_full_name(full_name)
except JsonableError as e:
raise ZulipLDAPException(e.msg)
opts = {} # type: Dict[str, Any]
if self._prereg_user:
invited_as = self._prereg_user.invited_as
opts['prereg_user'] = self._prereg_user
opts['is_realm_admin'] = invited_as == PreregistrationUser.INVITE_AS['REALM_ADMIN']
opts['is_guest'] = invited_as == PreregistrationUser.INVITE_AS['GUEST_USER']
opts['default_stream_groups'] = get_default_stream_groups(self._realm)
user_profile = do_create_user(username, None, self._realm, full_name, short_name, **opts)
self.sync_avatar_from_ldap(user_profile, ldap_user)
self.sync_custom_profile_fields_from_ldap(user_profile, ldap_user)
return user_profile, True
def accounts_register(request):
# type: (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
validators.validate_email(email)
if prereg_user.referred_by:
# If someone invited you, you are joining their realm regardless
# of your e-mail address.
realm = prereg_user.referred_by.realm
elif 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 and not email_allowed_for_realm(email, realm):
return render(request,
"zerver/closed_realm.html",
context={"closed_domain_name": realm.name})
if realm and 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:
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):
ldap_attrs = _LDAPUser(
backend, backend.django_to_ldap_username(email)).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)
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 = u""
if 'timezone' in request.POST and request.POST[
'timezone'] in get_all_timezones():
timezone = request.POST['timezone']
try:
existing_user_profile = get_user_profile_by_email(email)
except UserProfile.DoesNotExist:
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_subdomain=realm.subdomain,
return_data=return_data)
if auth_result is None:
# 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))
# Since we'll have created a user, we now just log them in.
return login_and_go_to_home(request, auth_result)
elif 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)
else:
user_profile = do_create_user(
email,
password,
realm,
full_name,
short_name,
prereg_user=prereg_user,
is_realm_admin=realm_creation,
tos_version=settings.TOS_VERSION,
timezone=timezone,
newsletter_data={"IP": request.META['REMOTE_ADDR']},
default_stream_groups=default_stream_groups)
if realm_creation:
setup_initial_private_stream(user_profile)
send_initial_realm_messages(realm)
if realm_creation:
# 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_subdomain=realm.subdomain,
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),
'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)
})
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)
}
)
def get_or_build_user(self, username: str, ldap_user: _LDAPUser) -> Tuple[UserProfile, bool]:
"""The main function of our authentication backend extension of
django-auth-ldap. When this is called (from `authenticate`),
django-auth-ldap will already have verified that the provided
username and password match those in the LDAP database.
This function's responsibility is to check (1) whether the
email address for this user obtained from LDAP has an active
account in this Zulip realm. If so, it will log them in.
Otherwise, to provide a seamless Single Sign-On experience
with LDAP, this function can automatically create a new Zulip
user account in the realm (assuming the realm is configured to
allow that email address to sign up).
"""
return_data = {} # type: Dict[str, Any]
if settings.LDAP_EMAIL_ATTR is not None:
# Get email from ldap attributes.
if settings.LDAP_EMAIL_ATTR not in ldap_user.attrs:
return_data["ldap_missing_attribute"] = settings.LDAP_EMAIL_ATTR
raise ZulipLDAPException("LDAP user doesn't have the needed %s attribute" % (
settings.LDAP_EMAIL_ATTR,))
username = ldap_user.attrs[settings.LDAP_EMAIL_ATTR][0]
if 'userAccountControl' in settings.AUTH_LDAP_USER_ATTR_MAP: # nocoverage
ldap_disabled = self.is_account_control_disabled_user(ldap_user)
if ldap_disabled:
# Treat disabled users as deactivated in Zulip.
return_data["inactive_user"] = True
raise ZulipLDAPException("User has been deactivated")
user_profile = common_get_active_user(username, self._realm, return_data)
if user_profile is not None:
# An existing user, successfully authed; return it.
return user_profile, False
if return_data.get("inactive_realm"):
# This happens if there is a user account in a deactivated realm
raise ZulipLDAPException("Realm has been deactivated")
if return_data.get("inactive_user"):
raise ZulipLDAPException("User has been deactivated")
# An invalid_subdomain `return_data` value here is ignored,
# since that just means we're trying to create an account in a
# second realm on the server (`ldap_auth_enabled(realm)` would
# have been false if this user wasn't meant to have an account
# in this second realm).
if self._realm.deactivated:
# This happens if no account exists, but the realm is
# deactivated, so we shouldn't create a new user account
raise ZulipLDAPException("Realm has been deactivated")
# Makes sure that email domain hasn't be restricted for this
# realm. The main thing here is email_allowed_for_realm; but
# we also call validate_email_for_realm just for consistency,
# even though its checks were already done above.
try:
email_allowed_for_realm(username, self._realm)
validate_email_for_realm(self._realm, username)
except DomainNotAllowedForRealmError:
raise ZulipLDAPException("This email domain isn't allowed in this organization.")
except (DisposableEmailError, EmailContainsPlusError):
raise ZulipLDAPException("Email validation failed.")
# We have valid LDAP credentials; time to create an account.
full_name, short_name = self.get_mapped_name(ldap_user)
try:
full_name = check_full_name(full_name)
except JsonableError as e:
raise ZulipLDAPException(e.msg)
opts = {} # type: Dict[str, Any]
if self._prereg_user:
invited_as = self._prereg_user.invited_as
opts['prereg_user'] = self._prereg_user
opts['is_realm_admin'] = invited_as == PreregistrationUser.INVITE_AS['REALM_ADMIN']
opts['is_guest'] = invited_as == PreregistrationUser.INVITE_AS['GUEST_USER']
opts['default_stream_groups'] = get_default_stream_groups(self._realm)
user_profile = do_create_user(username, None, self._realm, full_name, short_name, **opts)
self.sync_avatar_from_ldap(user_profile, ldap_user)
self.sync_custom_profile_fields_from_ldap(user_profile, ldap_user)
return user_profile, True
