Example #1
0
File: users.py Project: zulip/zulip
def update_user_backend(request, user_profile, email,
                        full_name=REQ(default="", validator=check_string),
                        is_admin=REQ(default=None, validator=check_bool)):
    # type: (HttpRequest, UserProfile, text_type, Optional[text_type], Optional[bool]) -> HttpResponse
    try:
        target = get_user_profile_by_email(email)
    except UserProfile.DoesNotExist:
        return json_error(_('No such user'))

    if not user_profile.can_admin_user(target):
        return json_error(_('Insufficient permission'))

    if is_admin is not None:
        if not is_admin and check_last_admin(user_profile):
            return json_error(_('Cannot remove the only organization administrator'))
        do_change_is_admin(target, is_admin)

    if (full_name is not None and target.full_name != full_name and
            full_name.strip() != ""):
        # We don't respect `name_changes_disabled` here because the request
        # is on behalf of the administrator.
        new_full_name = full_name.strip()
        if len(new_full_name) > UserProfile.MAX_NAME_LENGTH:
            return json_error(_("Name too long!"))
        do_change_full_name(target, new_full_name)

    return json_success()
Example #2
0
def json_change_settings(request, user_profile,
                         full_name=REQ(),
                         old_password=REQ(default=""),
                         new_password=REQ(default=""),
                         confirm_password=REQ(default="")):
    # type: (HttpRequest, UserProfile, text_type, text_type, text_type, text_type) -> HttpResponse
    if new_password != "" or confirm_password != "":
        if new_password != confirm_password:
            return json_error(_("New password must match confirmation password!"))
        if not authenticate(username=user_profile.email, password=old_password):
            return json_error(_("Wrong password!"))
        do_change_password(user_profile, new_password)

    result = {}
    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm):
            # Failingly silently is fine -- they can't do it through the UI, so
            # they'd have to be trying to break the rules.
            pass
        else:
            new_full_name = full_name.strip()
            if len(new_full_name) > UserProfile.MAX_NAME_LENGTH:
                return json_error(_("Name too long!"))
            do_change_full_name(user_profile, new_full_name)
            result['full_name'] = new_full_name

    return json_success(result)
Example #3
0
def check_change_full_name(user_profile, full_name_raw):
    # type: (UserProfile, Text) -> Text
    """Verifies that the user's proposed full name is valid.  The caller
    is responsible for checking check permissions.  Returns the new
    full name, which may differ from what was passed in (because this
    function strips whitespace)."""
    new_full_name = check_full_name(full_name_raw)
    do_change_full_name(user_profile, new_full_name)
    return new_full_name
Example #4
0
 def sync_full_name_from_ldap(self, user_profile: UserProfile,
                              ldap_user: _LDAPUser) -> None:
     from zerver.lib.actions import do_change_full_name
     full_name, _ = self.get_mapped_name(ldap_user)
     if full_name != user_profile.full_name:
         try:
             full_name = check_full_name(full_name)
         except JsonableError as e:
             raise ZulipLDAPException(e.msg)
         do_change_full_name(user_profile, full_name, None)
    def handle(self, *args, **options):
        data_file = options["data_file"]
        with open(data_file, "r") as f:
            for line in f:
                email, new_name = line.strip().split(",", 1)

                try:
                    user_profile = get_user_profile_by_email(email)
                    old_name = user_profile.full_name
                    print("%s: %s -> %s" % (email, old_name, new_name))
                    do_change_full_name(user_profile, new_name)
                except UserProfile.DoesNotExist:
                    print("* E-mail %s doesn't exist in the system, skipping." % (email,))
Example #6
0
def patch_bot_backend(request, user_profile, email,
                      full_name=REQ(default=None),
                      default_sending_stream=REQ(default=None),
                      default_events_register_stream=REQ(default=None),
                      default_all_public_streams=REQ(default=None, validator=check_bool)):
    # type: (HttpRequest, UserProfile, Text, Optional[Text], Optional[Text], Optional[Text], Optional[bool]) -> HttpResponse
    try:
        bot = get_user_profile_by_email(email)
    except:
        return json_error(_('No such user'))

    if not user_profile.can_admin_user(bot):
        return json_error(_('Insufficient permission'))

    if full_name is not None:
        do_change_full_name(bot, full_name)
    if default_sending_stream is not None:
        if default_sending_stream == "":
            stream = None
        else:
            (stream, recipient, sub) = access_stream_by_name(
                user_profile, default_sending_stream)
        do_change_default_sending_stream(bot, stream)
    if default_events_register_stream is not None:
        if default_events_register_stream == "":
            stream = None
        else:
            (stream, recipient, sub) = access_stream_by_name(
                user_profile, default_events_register_stream)
        do_change_default_events_register_stream(bot, stream)
    if default_all_public_streams is not None:
        do_change_default_all_public_streams(bot, default_all_public_streams)

    if len(request.FILES) == 0:
        pass
    elif len(request.FILES) == 1:
        user_file = list(request.FILES.values())[0]
        upload_avatar_image(user_file, user_profile, bot.email)
        avatar_source = UserProfile.AVATAR_FROM_USER
        do_change_avatar_source(bot, avatar_source)
    else:
        return json_error(_("You may only upload one file at a time"))

    json_result = dict(
        full_name=bot.full_name,
        avatar_url=avatar_url(bot),
        default_sending_stream=get_stream_name(bot.default_sending_stream),
        default_events_register_stream=get_stream_name(bot.default_events_register_stream),
        default_all_public_streams=bot.default_all_public_streams,
    )
    return json_success(json_result)
Example #7
0
    def handle(self, *args: Any, **options: str) -> None:
        data_file = options['data_file']
        realm = self.get_realm(options)
        with open(data_file, "r") as f:
            for line in f:
                email, new_name = line.strip().split(",", 1)

                try:
                    user_profile = self.get_user(email, realm)
                    old_name = user_profile.full_name
                    print("%s: %s -> %s" % (email, old_name, new_name))
                    do_change_full_name(user_profile, new_name, None)
                except CommandError:
                    print("e-mail %s doesn't exist in the realm %s, skipping" % (email, realm))
Example #8
0
def json_change_settings(request, user_profile,
                         full_name=REQ(default=""),
                         old_password=REQ(default=""),
                         new_password=REQ(default=""),
                         confirm_password=REQ(default="")):
    # type: (HttpRequest, UserProfile, Text, Text, Text, Text) -> HttpResponse
    if not (full_name or new_password):
        return json_error(_("No new data supplied"))

    if new_password != "" or confirm_password != "":
        if new_password != confirm_password:
            return json_error(_("New password must match confirmation password!"))
        if not authenticate(username=user_profile.email, password=old_password):
            return json_error(_("Wrong password!"))
        do_change_password(user_profile, new_password)
        # In Django 1.10, password changes invalidates sessions, see
        # https://docs.djangoproject.com/en/1.10/topics/auth/default/#session-invalidation-on-password-change
        # for details. To avoid this logging the user out of his own
        # session (which would provide a confusing UX at best), we
        # update the session hash here.
        update_session_auth_hash(request, user_profile)
        # We also save the session to the DB immediately to mitigate
        # race conditions. In theory, there is still a race condition
        # and to completely avoid it we will have to use some kind of
        # mutex lock in `django.contrib.auth.get_user` where session
        # is verified. To make that lock work we will have to control
        # the AuthenticationMiddleware which is currently controlled
        # by Django,
        request.session.save()

    result = {}
    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm):
            # Failingly silently is fine -- they can't do it through the UI, so
            # they'd have to be trying to break the rules.
            pass
        else:
            new_full_name = full_name.strip()
            if len(new_full_name) > UserProfile.MAX_NAME_LENGTH:
                return json_error(_("Name too long!"))
            do_change_full_name(user_profile, new_full_name)
            result['full_name'] = new_full_name

    return json_success(result)
Example #9
0
def patch_bot_backend(request, user_profile, email,
                      full_name=REQ(default=None),
                      default_sending_stream=REQ(default=None),
                      default_events_register_stream=REQ(default=None),
                      default_all_public_streams=REQ(default=None, validator=check_bool)):
    try:
        bot = get_user_profile_by_email(email)
    except:
        return json_error('No such user')

    if not user_profile.can_admin_user(bot):
        return json_error('Insufficient permission')

    if full_name is not None:
        do_change_full_name(bot, full_name)
    if default_sending_stream is not None:
        stream = stream_or_none(default_sending_stream, bot.realm)
        do_change_default_sending_stream(bot, stream)
    if default_events_register_stream is not None:
        stream = stream_or_none(default_events_register_stream, bot.realm)
        do_change_default_events_register_stream(bot, stream)
    if default_all_public_streams is not None:
        do_change_default_all_public_streams(bot, default_all_public_streams)

    if len(request.FILES) == 0:
        pass
    elif len(request.FILES) == 1:
        user_file = request.FILES.values()[0]
        upload_avatar_image(user_file, user_profile, bot.email)
        avatar_source = UserProfile.AVATAR_FROM_USER
        do_change_avatar_source(bot, avatar_source)
    else:
        return json_error("You may only upload one file at a time")

    json_result = dict(
        full_name=bot.full_name,
        avatar_url=avatar_url(bot),
        default_sending_stream=get_stream_name(bot.default_sending_stream),
        default_events_register_stream=get_stream_name(bot.default_events_register_stream),
        default_all_public_streams=bot.default_all_public_streams,
    )
    return json_success(json_result)
Example #10
0
 def test_change_full_name(self):
     schema_checker = check_dict([
         ('type', equals('realm_user')),
         ('op', equals('update')),
         ('person', check_dict([
             ('email', check_string),
             ('full_name', check_string),
         ])),
     ])
     events = self.do_test(lambda: do_change_full_name(self.user_profile, 'Sir Hamlet'))
     error = schema_checker('events[0]', events[0])
     self.assert_on_error(error)
Example #11
0
def json_change_settings(request, user_profile,
                         full_name=REQ(default=""),
                         old_password=REQ(default=""),
                         new_password=REQ(default=""),
                         confirm_password=REQ(default="")):
    # type: (HttpRequest, UserProfile, text_type, text_type, text_type, text_type) -> HttpResponse
    if not (full_name or new_password):
        return json_error(_("No new data supplied"))

    if new_password != "" or confirm_password != "":
        if new_password != confirm_password:
            return json_error(_("New password must match confirmation password!"))
        if not authenticate(username=user_profile.email, password=old_password):
            return json_error(_("Wrong password!"))
        do_change_password(user_profile, new_password)
        # In Django 1.10, password changes invalidates sessions, see
        # https://docs.djangoproject.com/en/1.10/topics/auth/default/#session-invalidation-on-password-change
        # for details. To avoid this logging the user out of his own
        # session (which would provide a confusing UX at best), we
        # update the session hash here.
        update_session_auth_hash(request, user_profile)

    result = {}
    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm):
            # Failingly silently is fine -- they can't do it through the UI, so
            # they'd have to be trying to break the rules.
            pass
        else:
            new_full_name = full_name.strip()
            if len(new_full_name) > UserProfile.MAX_NAME_LENGTH:
                return json_error(_("Name too long!"))
            do_change_full_name(user_profile, new_full_name)
            result['full_name'] = new_full_name

    return json_success(result)
Example #12
0
 def test_change_bot_full_name(self):
     action = lambda: do_change_full_name(self.bot, 'New Bot Name')
     events = self.do_test(action)
     error = self.realm_bot_schema('full_name', check_string)('events[1]', events[1])
     self.assert_on_error(error)
Example #13
0
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)
                 }
    )
Example #14
0
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
    try:
        existing_user_profile = get_user_profile_by_email(email)
    except UserProfile.DoesNotExist:
        existing_user_profile = None

    validators.validate_email(email)
    # If OPEN_REALM_CREATION is enabled all user sign ups should go through the
    # special URL with domain name so that REALM can be identified if multiple realms exist
    unique_open_realm = get_unique_open_realm()
    if unique_open_realm is not None:
        realm = unique_open_realm
        domain = realm.domain
    elif 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
        domain = realm.domain
        if not email_allowed_for_realm(email, realm):
            return render_to_response("zerver/closed_realm.html", {"closed_domain_name": realm.name})
    elif prereg_user.realm:
        # You have a realm set, even though nobody referred you. This
        # happens if you sign up through a special URL for an open
        # realm.
        domain = prereg_user.realm.domain
        realm = get_realm(domain)
    else:
        domain = resolve_email_to_domain(email)
        realm = get_realm(domain)

    if realm and realm.deactivated:
        # The user is trying to register for a deactivated realm. Advise them to
        # contact support.
        return render_to_response("zerver/deactivated.html",
                                  {"deactivated_domain_name": realm.name,
                                   "zulip_administrator": settings.ZULIP_ADMINISTRATOR})

    try:
        if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
            # Mirror dummy users to be activated must be inactive
            is_inactive(email)
        else:
            # Other users should not already exist at all.
            user_email_is_unique(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 and domain == "mit.edu":
            # for MIT users, we can get an authoritative name from Hesiod
            hesiod_name = compute_mit_user_fullname(email)
            form = RegistrationForm(
                    initial={'full_name': hesiod_name if "@" not in hesiod_name else ""})
            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})
                        # 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()
        elif 'full_name' in request.POST:
            form = RegistrationForm(
                initial={'full_name': request.POST.get('full_name')}
            )
        else:
            form = RegistrationForm()
    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)
        if not password_auth_enabled(realm):
            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']
            org_type = int(form.cleaned_data['realm_org_type'])
            domain = split_email_to_domain(email)
            realm = do_create_realm(string_id, realm_name, org_type=org_type,
                                    domain=domain)[0]

            set_default_streams(realm, settings.DEFAULT_NEW_REALM_STREAMS)

        full_name = form.cleaned_data['full_name']
        short_name = email_to_username(email)
        first_in_realm = len(UserProfile.objects.filter(realm=realm, is_bot=False)) == 0

        # FIXME: sanitize email addresses and fullname
        if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
            try:
                user_profile = existing_user_profile
                do_activate_user(user_profile)
                do_change_password(user_profile, password)
                do_change_full_name(user_profile, full_name)
            except UserProfile.DoesNotExist:
                user_profile = do_create_user(email, password, realm, full_name, short_name,
                                              prereg_user=prereg_user,
                                              tos_version=settings.TOS_VERSION,
                                              newsletter_data={"IP": request.META['REMOTE_ADDR']})
        else:
            user_profile = do_create_user(email, password, realm, full_name, short_name,
                                          prereg_user=prereg_user,
                                          tos_version=settings.TOS_VERSION,
                                          newsletter_data={"IP": request.META['REMOTE_ADDR']})

        if first_in_realm:
            do_change_is_admin(user_profile, True)

        if realm_creation and settings.REALMS_HAVE_SUBDOMAINS:
            # 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.
        return_data = {} # type: Dict[str, bool]
        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('/')
        login(request, auth_result)
        return HttpResponseRedirect(realm.uri + reverse('zerver.views.home'))

    return render_to_response('zerver/register.html',
            {'form': form,
             'company_name': domain,
             '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,
             'realms_have_subdomains': settings.REALMS_HAVE_SUBDOMAINS,
             'password_auth_enabled': password_auth_enabled(realm),
            },
        request=request)
Example #15
0
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
    try:
        existing_user_profile = get_user_profile_by_email(email)
    except UserProfile.DoesNotExist:
        existing_user_profile = None

    validators.validate_email(email)
    # If OPEN_REALM_CREATION is enabled all user sign ups should go through the
    # special URL with domain name so that REALM can be identified if multiple realms exist
    unique_open_realm = get_unique_open_realm()
    if unique_open_realm is not None:
        realm = unique_open_realm  # type: Optional[Realm]
    elif 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 prereg_user.realm:
        # You have a realm set, even though nobody referred you. This
        # happens if you sign up through a special URL for an open realm.
        realm = prereg_user.realm
    elif realm_creation:
        # For creating a new realm, there is no existing realm or domain
        realm = None
    elif settings.REALMS_HAVE_SUBDOMAINS:
        realm = get_realm(get_subdomain(request))
    else:
        realm = get_realm_by_email_domain(email)

    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 render(request, "zerver/deactivated.html",
                      context={"deactivated_domain_name": realm.name})

    try:
        if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
            # Mirror dummy users to be activated must be inactive
            is_inactive(email)
        else:
            # Other users should not already exist at all.
            user_email_is_unique(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)[0]
            setup_initial_streams(realm)
        assert(realm is not None)

        full_name = form.cleaned_data['full_name']
        short_name = email_to_username(email)

        timezone = u""
        if 'timezone' in request.POST and request.POST['timezone'] in get_all_timezones():
            timezone = request.POST['timezone']

        # FIXME: sanitize email addresses and fullname
        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)
        else:
            user_profile = do_create_user(email, password, realm, full_name, short_name,
                                          prereg_user=prereg_user,
                                          tos_version=settings.TOS_VERSION,
                                          timezone=timezone,
                                          newsletter_data={"IP": request.META['REMOTE_ADDR']})

        send_initial_pms(user_profile)

        if realm_creation:
            do_change_is_admin(user_profile, True)
            setup_initial_private_stream(user_profile)
            send_initial_realm_messages(realm)

        if realm_creation and settings.REALMS_HAVE_SUBDOMAINS:
            # 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.
        return_data = {}  # type: Dict[str, bool]
        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('/')
        login(request, auth_result)
        return HttpResponseRedirect(realm.uri + reverse('zerver.views.home.home'))

    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,
                 'realms_have_subdomains': settings.REALMS_HAVE_SUBDOMAINS,
                 'password_required': password_auth_enabled(realm) and password_required,
                 'password_auth_enabled': password_auth_enabled(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)
                 }
    )
Example #16
0
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_not_already_in_realm(realm, email)
        except ValidationError:
            view_url = reverse('django.contrib.auth.views.login')
            redirect_url = add_query_to_redirect_url(
                view_url, 'email=' + urllib.parse.quote_plus(email))
            return HttpResponseRedirect(redirect_url)

    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: 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 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.
                    view_url = reverse('django.contrib.auth.views.login')
                    query = 'email=' + urllib.parse.quote_plus(email)
                    redirect_url = add_query_to_redirect_url(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_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)
        })
Example #17
0
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
    is_realm_admin = prereg_user.invited_as_admin or realm_creation

    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=realm,
                                       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)
            # 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)

        if realm_creation:
            bulk_add_subscriptions([realm.signup_notifications_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=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),
            '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)
        })
Example #18
0
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:
        confirmation = Confirmation.objects.get(confirmation_key=key)
    except Confirmation.DoesNotExist:
        return render(request,
                      "zerver/confirmation_link_expired_error.html",
                      status=404)

    prereg_user = confirmation.content_object
    assert prereg_user is not None
    if prereg_user.status == confirmation_settings.STATUS_REVOKED:
        return render(request,
                      "zerver/confirmation_link_expired_error.html",
                      status=404)
    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:
        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 = add_query_to_redirect_url(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:
            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"]),
        },
    )