Пример #1
0
def enqueue_welcome_emails(user: UserProfile,
                           realm_creation: bool = False) -> None:
    from zerver.context_processors import common_context
    if settings.WELCOME_EMAIL_SENDER is not None:
        # line break to avoid triggering lint rule
        from_name = settings.WELCOME_EMAIL_SENDER['name']
        from_address = settings.WELCOME_EMAIL_SENDER['email']
    else:
        from_name = None
        from_address = FromAddress.support_placeholder

    other_account_count = UserProfile.objects.filter(
        delivery_email__iexact=user.delivery_email).exclude(
            id=user.id).count()
    unsubscribe_link = one_click_unsubscribe_link(user, "welcome")
    context = common_context(user)
    context.update(
        unsubscribe_link=unsubscribe_link,
        keyboard_shortcuts_link=user.realm.uri + '/help/keyboard-shortcuts',
        realm_name=user.realm.name,
        realm_creation=realm_creation,
        email=user.delivery_email,
        is_realm_admin=user.role == UserProfile.ROLE_REALM_ADMINISTRATOR,
    )
    if user.is_realm_admin:
        context['getting_started_link'] = (
            user.realm.uri +
            '/help/getting-your-organization-started-with-zulip')
    else:
        context['getting_started_link'] = "https://zulip.com"

    # Imported here to avoid import cycles.
    from zproject.backends import ZulipLDAPAuthBackend, email_belongs_to_ldap

    if email_belongs_to_ldap(user.realm, user.delivery_email):
        context["ldap"] = True
        for backend in get_backends():
            # If the user is doing authentication via LDAP, Note that
            # we exclude ZulipLDAPUserPopulator here, since that
            # isn't used for authentication.
            if isinstance(backend, ZulipLDAPAuthBackend):
                context["ldap_username"] = backend.django_to_ldap_username(
                    user.delivery_email)
                break

    send_future_email("zerver/emails/followup_day1",
                      user.realm,
                      to_user_ids=[user.id],
                      from_name=from_name,
                      from_address=from_address,
                      context=context)

    if other_account_count == 0:
        send_future_email("zerver/emails/followup_day2",
                          user.realm,
                          to_user_ids=[user.id],
                          from_name=from_name,
                          from_address=from_address,
                          context=context,
                          delay=followup_day2_email_delay(user))
def enqueue_welcome_emails(user: UserProfile,
                           realm_creation: bool = False) -> None:
    from zerver.context_processors import common_context
    if settings.WELCOME_EMAIL_SENDER is not None:
        # line break to avoid triggering lint rule
        from_name = settings.WELCOME_EMAIL_SENDER['name']
        from_address = settings.WELCOME_EMAIL_SENDER['email']
    else:
        from_name = None
        from_address = FromAddress.SUPPORT

    other_account_count = UserProfile.objects.filter(
        delivery_email__iexact=user.delivery_email).exclude(
            id=user.id).count()
    unsubscribe_link = one_click_unsubscribe_link(user, "welcome")
    context = common_context(user)
    context.update({
        'unsubscribe_link': unsubscribe_link,
        'keyboard_shortcuts_link': user.realm.uri + '/help/keyboard-shortcuts',
        'realm_name': user.realm.name,
        'realm_creation': realm_creation,
        'email': user.email,
        'is_realm_admin': user.is_realm_admin,
    })
    if user.is_realm_admin:
        context['getting_started_link'] = (
            user.realm.uri +
            '/help/getting-your-organization-started-with-zulip')
    else:
        context['getting_started_link'] = "https://zulipchat.com"

    from zproject.backends import email_belongs_to_ldap

    if email_belongs_to_ldap(user.realm, user.email):
        context["ldap"] = True
        if settings.LDAP_APPEND_DOMAIN:
            for backend in get_backends():
                if isinstance(backend, LDAPBackend):
                    context["ldap_username"] = backend.django_to_ldap_username(
                        user.email)
        elif not settings.LDAP_EMAIL_ATTR:
            context["ldap_username"] = user.email

    send_future_email("zerver/emails/followup_day1",
                      user.realm,
                      to_user_ids=[user.id],
                      from_name=from_name,
                      from_address=from_address,
                      context=context)

    if other_account_count == 0:
        send_future_email("zerver/emails/followup_day2",
                          user.realm,
                          to_user_ids=[user.id],
                          from_name=from_name,
                          from_address=from_address,
                          context=context,
                          delay=followup_day2_email_delay(user))
Пример #3
0
def json_change_settings(request: HttpRequest, user_profile: UserProfile,
                         full_name: str=REQ(default=""),
                         email: str=REQ(default=""),
                         old_password: str=REQ(default=""),
                         new_password: str=REQ(default="")) -> HttpResponse:
    if not (full_name or new_password or email):
        return json_error(_("Please fill out all fields."))

    if new_password != "":
        return_data = {}  # type: Dict[str, Any]
        if email_belongs_to_ldap(user_profile.realm, user_profile.delivery_email):
            return json_error(_("Your Zulip password is managed in LDAP"))
        if not authenticate(username=user_profile.delivery_email, password=old_password,
                            realm=user_profile.realm, return_data=return_data):
            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 their 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 = {}  # type: Dict[str, Any]
    new_email = email.strip()
    if user_profile.delivery_email != new_email and new_email != '':
        if user_profile.realm.email_changes_disabled and not user_profile.is_realm_admin:
            return json_error(_("Email address changes are disabled in this organization."))
        error, skipped = validate_email(user_profile, new_email)
        if error:
            return json_error(error)
        if skipped:
            return json_error(skipped)

        do_start_email_change_process(user_profile, new_email)
        result['account_email'] = _("Check your email for a confirmation link. ")

    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm) and not user_profile.is_realm_admin:
            # 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:
            # Note that check_change_full_name strips the passed name automatically
            result['full_name'] = check_change_full_name(user_profile, full_name, user_profile)

    return json_success(result)
Пример #4
0
def json_change_settings(request: HttpRequest, user_profile: UserProfile,
                         full_name: str=REQ(default=""),
                         email: str=REQ(default=""),
                         old_password: str=REQ(default=""),
                         new_password: str=REQ(default="")) -> HttpResponse:
    if not (full_name or new_password or email):
        return json_error(_("Please fill out all fields."))

    if new_password != "":
        return_data = {}  # type: Dict[str, Any]
        if email_belongs_to_ldap(user_profile.realm, user_profile.email):
            return json_error(_("Your Zulip password is managed in LDAP"))
        if not authenticate(username=user_profile.email, password=old_password,
                            realm=user_profile.realm, return_data=return_data):
            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 their 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 = {}  # type: Dict[str, Any]
    new_email = email.strip()
    if user_profile.email != new_email and new_email != '':
        if user_profile.realm.email_changes_disabled and not user_profile.is_realm_admin:
            return json_error(_("Email address changes are disabled in this organization."))
        error, skipped = validate_email(user_profile, new_email)
        if error:
            return json_error(error)
        if skipped:
            return json_error(skipped)

        do_start_email_change_process(user_profile, new_email)
        result['account_email'] = _("Check your email for a confirmation link. ")

    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm) and not user_profile.is_realm_admin:
            # 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:
            # Note that check_change_full_name strips the passed name automatically
            result['full_name'] = check_change_full_name(user_profile, full_name, user_profile)

    return json_success(result)
Пример #5
0
def enqueue_welcome_emails(user: UserProfile, realm_creation: bool=False) -> None:
    from zerver.context_processors import common_context
    if settings.WELCOME_EMAIL_SENDER is not None:
        # line break to avoid triggering lint rule
        from_name = settings.WELCOME_EMAIL_SENDER['name']
        from_address = settings.WELCOME_EMAIL_SENDER['email']
    else:
        from_name = None
        from_address = FromAddress.SUPPORT

    other_account_count = UserProfile.objects.filter(
        delivery_email__iexact=user.delivery_email).exclude(id=user.id).count()
    unsubscribe_link = one_click_unsubscribe_link(user, "welcome")
    context = common_context(user)
    context.update({
        'unsubscribe_link': unsubscribe_link,
        'keyboard_shortcuts_link': user.realm.uri + '/help/keyboard-shortcuts',
        'realm_name': user.realm.name,
        'realm_creation': realm_creation,
        'email': user.email,
        'is_realm_admin': user.is_realm_admin,
    })
    if user.is_realm_admin:
        context['getting_started_link'] = (user.realm.uri +
                                           '/help/getting-your-organization-started-with-zulip')
    else:
        context['getting_started_link'] = "https://zulipchat.com"

    from zproject.backends import email_belongs_to_ldap

    if email_belongs_to_ldap(user.realm, user.email):
        context["ldap"] = True
        if settings.LDAP_APPEND_DOMAIN:
            for backend in get_backends():
                if isinstance(backend, LDAPBackend):
                    context["ldap_username"] = backend.django_to_ldap_username(user.email)
        elif not settings.LDAP_EMAIL_ATTR:
            context["ldap_username"] = user.email

    send_future_email(
        "zerver/emails/followup_day1", user.realm, to_user_ids=[user.id], from_name=from_name,
        from_address=from_address, context=context)

    if other_account_count == 0:
        send_future_email(
            "zerver/emails/followup_day2", user.realm, to_user_ids=[user.id], from_name=from_name,
            from_address=from_address, context=context, delay=followup_day2_email_delay(user))
Пример #6
0
    def save(self,
             domain_override: Optional[bool]=None,
             subject_template_name: str='registration/password_reset_subject.txt',
             email_template_name: str='registration/password_reset_email.html',
             use_https: bool=False,
             token_generator: PasswordResetTokenGenerator=default_token_generator,
             from_email: Optional[str]=None,
             request: HttpRequest=None,
             html_email_template_name: Optional[str]=None,
             extra_email_context: Optional[Dict[str, Any]]=None
             ) -> None:
        """
        If the email address has an account in the target realm,
        generates a one-use only link for resetting password and sends
        to the user.

        We send a different email if an associated account does not exist in the
        database, or an account does exist, but not in the realm.

        Note: We ignore protocol and the various email template arguments (those
        are an artifact of using Django's password reset framework).
        """
        email = self.cleaned_data["email"]

        realm = get_realm(get_subdomain(request))

        if not email_auth_enabled(realm):
            logging.info("Password reset attempted for %s even though password auth is disabled." % (email,))
            return
        if email_belongs_to_ldap(realm, email):
            # TODO: Ideally, we'd provide a user-facing error here
            # about the fact that they aren't allowed to have a
            # password in the Zulip server and should change it in LDAP.
            logging.info("Password reset not allowed for user in LDAP domain")
            return
        if realm.deactivated:
            logging.info("Realm is deactivated")
            return

        user = None  # type: Optional[UserProfile]
        try:
            user = get_user_by_delivery_email(email, realm)
        except UserProfile.DoesNotExist:
            pass

        context = {
            'email': email,
            'realm_uri': realm.uri,
            'realm_name': realm.name,
        }

        if user is not None and not user.is_active:
            context['user_deactivated'] = True
            user = None

        if user is not None:
            context['active_account_in_realm'] = True
            context['reset_url'] = generate_password_reset_url(user, token_generator)
            send_email('zerver/emails/password_reset', to_user_ids=[user.id],
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)
        else:
            context['active_account_in_realm'] = False
            active_accounts_in_other_realms = UserProfile.objects.filter(
                delivery_email__iexact=email, is_active=True)
            if active_accounts_in_other_realms:
                context['active_accounts_in_other_realms'] = active_accounts_in_other_realms
            send_email('zerver/emails/password_reset', to_emails=[email],
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       language=request.LANGUAGE_CODE,
                       context=context)
Пример #7
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_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)
        })
Пример #8
0
    def save(self,
             domain_override: Optional[bool]=None,
             subject_template_name: str='registration/password_reset_subject.txt',
             email_template_name: str='registration/password_reset_email.html',
             use_https: bool=False,
             token_generator: PasswordResetTokenGenerator=default_token_generator,
             from_email: Optional[str]=None,
             request: HttpRequest=None,
             html_email_template_name: Optional[str]=None,
             extra_email_context: Optional[Dict[str, Any]]=None
             ) -> None:
        """
        If the email address has an account in the target realm,
        generates a one-use only link for resetting password and sends
        to the user.

        We send a different email if an associated account does not exist in the
        database, or an account does exist, but not in the realm.

        Note: We ignore protocol and the various email template arguments (those
        are an artifact of using Django's password reset framework).
        """
        email = self.cleaned_data["email"]

        realm = get_realm(get_subdomain(request))

        if not email_auth_enabled(realm):
            logging.info("Password reset attempted for %s even though password auth is disabled." % (email,))
            return
        if email_belongs_to_ldap(realm, email):
            # TODO: Ideally, we'd provide a user-facing error here
            # about the fact that they aren't allowed to have a
            # password in the Zulip server and should change it in LDAP.
            logging.info("Password reset not allowed for user in LDAP domain")
            return
        if realm.deactivated:
            logging.info("Realm is deactivated")
            return

        user = None  # type: Optional[UserProfile]
        try:
            user = get_user_by_delivery_email(email, realm)
        except UserProfile.DoesNotExist:
            pass

        context = {
            'email': email,
            'realm_uri': realm.uri,
            'realm_name': realm.name,
        }

        if user is not None and not user.is_active:
            context['user_deactivated'] = True
            user = None

        if user is not None:
            context['active_account_in_realm'] = True
            context['reset_url'] = generate_password_reset_url(user, token_generator)
            send_email('zerver/emails/password_reset', to_user_ids=[user.id],
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)
        else:
            context['active_account_in_realm'] = False
            active_accounts_in_other_realms = UserProfile.objects.filter(
                delivery_email__iexact=email, is_active=True)
            if active_accounts_in_other_realms:
                context['active_accounts_in_other_realms'] = active_accounts_in_other_realms
            send_email('zerver/emails/password_reset', to_emails=[email],
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       language=request.LANGUAGE_CODE,
                       context=context)
Пример #9
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:
        prereg_user = check_prereg_key(request, key)
    except ConfirmationKeyException as e:
        return render_confirmation_key_error(request, e)

    email = prereg_user.email
    realm_creation = prereg_user.realm_creation
    password_required = prereg_user.password_required

    role = prereg_user.invited_as
    if realm_creation:
        role = UserProfile.ROLE_REALM_OWNER

    try:
        validators.validate_email(email)
    except ValidationError:
        return render(request, "zerver/invalid_email.html", context={"invalid_email": True})

    if realm_creation:
        # For creating a new realm, there is no existing realm or domain
        realm = None
    else:
        assert prereg_user.realm is not None
        if get_subdomain(request) != prereg_user.realm.string_id:
            return render_confirmation_key_error(
                request, ConfirmationKeyException(ConfirmationKeyException.DOES_NOT_EXIST)
            )
        realm = prereg_user.realm
        try:
            email_allowed_for_realm(email, realm)
        except DomainNotAllowedForRealmError:
            return render(
                request,
                "zerver/invalid_email.html",
                context={"realm_name": realm.name, "closed_domain": True},
            )
        except DisposableEmailError:
            return render(
                request,
                "zerver/invalid_email.html",
                context={"realm_name": realm.name, "disposable_emails_not_allowed": True},
            )
        except EmailContainsPlusError:
            return render(
                request,
                "zerver/invalid_email.html",
                context={"realm_name": realm.name, "email_contains_plus": True},
            )

        if realm.deactivated:
            # The user is trying to register for a deactivated realm. Advise them to
            # contact support.
            return redirect_to_deactivation_notice()

        try:
            validate_email_not_already_in_realm(realm, email)
        except ValidationError:
            return redirect_to_email_login_url(email)

        if settings.BILLING_ENABLED:
            try:
                check_spare_licenses_available_for_registering_new_user(realm, email)
            except LicenseLimitError:
                return render(request, "zerver/no_spare_licenses.html")

    name_validated = False
    require_ldap_password = False

    if from_confirmation:
        try:
            del request.session["authenticated_full_name"]
        except KeyError:
            pass

        ldap_full_name = None
        if settings.POPULATE_PROFILE_VIA_LDAP:
            # If the user can be found in LDAP, we'll take the full name from the directory,
            # and further down create a form pre-filled with it.
            for backend in get_backends():
                if isinstance(backend, LDAPBackend):
                    try:
                        ldap_username = backend.django_to_ldap_username(email)
                    except ZulipLDAPExceptionNoMatchingLDAPUser:
                        logging.warning("New account email %s could not be found in LDAP", email)
                        break

                    # Note that this `ldap_user` object is not a
                    # `ZulipLDAPUser` with a `Realm` attached, so
                    # calling `.populate_user()` on it will crash.
                    # This is OK, since we're just accessing this user
                    # to extract its name.
                    #
                    # TODO: We should potentially be accessing this
                    # user to sync its initial avatar and custom
                    # profile fields as well, if we indeed end up
                    # creating a user account through this flow,
                    # rather than waiting until `manage.py
                    # sync_ldap_user_data` runs to populate it.
                    ldap_user = _LDAPUser(backend, ldap_username)

                    try:
                        ldap_full_name = backend.get_mapped_name(ldap_user)
                    except TypeError:
                        break

                    # Check whether this is ZulipLDAPAuthBackend,
                    # which is responsible for authentication and
                    # requires that LDAP accounts enter their LDAP
                    # password to register, or ZulipLDAPUserPopulator,
                    # which just populates UserProfile fields (no auth).
                    require_ldap_password = isinstance(backend, ZulipLDAPAuthBackend)
                    break

        if ldap_full_name:
            # We don't use initial= here, because if the form is
            # complete (that is, no additional fields need to be
            # filled out by the user) we want the form to validate,
            # so they can be directly registered without having to
            # go through this interstitial.
            form = RegistrationForm({"full_name": ldap_full_name}, realm_creation=realm_creation)
            request.session["authenticated_full_name"] = ldap_full_name
            name_validated = True
        elif realm is not None and realm.is_zephyr_mirror_realm:
            # For MIT users, we can get an authoritative name from Hesiod.
            # Technically we should check that this is actually an MIT
            # realm, but we can cross that bridge if we ever get a non-MIT
            # zephyr mirroring realm.
            hesiod_name = compute_mit_user_fullname(email)
            form = RegistrationForm(
                initial={"full_name": hesiod_name if "@" not in hesiod_name else ""},
                realm_creation=realm_creation,
            )
            name_validated = True
        elif prereg_user.full_name:
            if prereg_user.full_name_validated:
                request.session["authenticated_full_name"] = prereg_user.full_name
                name_validated = True
                form = RegistrationForm(
                    {"full_name": prereg_user.full_name}, realm_creation=realm_creation
                )
            else:
                form = RegistrationForm(
                    initial={"full_name": prereg_user.full_name}, realm_creation=realm_creation
                )
        elif form_full_name is not None:
            form = RegistrationForm(
                initial={"full_name": form_full_name},
                realm_creation=realm_creation,
            )
        else:
            form = RegistrationForm(realm_creation=realm_creation)
    else:
        postdata = request.POST.copy()
        if name_changes_disabled(realm):
            # If we populate profile information via LDAP and we have a
            # verified name from you on file, use that. Otherwise, fall
            # back to the full name in the request.
            try:
                postdata.update(full_name=request.session["authenticated_full_name"])
                name_validated = True
            except KeyError:
                pass
        form = RegistrationForm(postdata, realm_creation=realm_creation)

    if not (password_auth_enabled(realm) and password_required):
        form["password"].field.required = False

    if form.is_valid():
        if password_auth_enabled(realm) and form["password"].field.required:
            password = form.cleaned_data["password"]
        else:
            # If the user wasn't prompted for a password when
            # completing the authentication form (because they're
            # signing up with SSO and no password is required), set
            # the password field to `None` (Which causes Django to
            # create an unusable password).
            password = None

        if realm_creation:
            string_id = form.cleaned_data["realm_subdomain"]
            realm_name = form.cleaned_data["realm_name"]
            realm_type = form.cleaned_data["realm_type"]
            is_demo_org = form.cleaned_data["is_demo_organization"]
            realm = do_create_realm(
                string_id, realm_name, org_type=realm_type, is_demo_organization=is_demo_org
            )
            setup_realm_internal_bots(realm)
        assert realm is not None

        full_name = form.cleaned_data["full_name"]
        enable_marketing_emails = form.cleaned_data["enable_marketing_emails"]
        default_stream_group_names = request.POST.getlist("default_stream_group")
        default_stream_groups = lookup_default_stream_groups(default_stream_group_names, realm)

        if source_realm_id is not None:
            # Non-integer realm_id values like "string" are treated
            # like the "Do not import" value of "".
            source_profile: Optional[UserProfile] = get_source_profile(email, source_realm_id)
        else:
            source_profile = None

        if not realm_creation:
            try:
                existing_user_profile: Optional[UserProfile] = get_user_by_delivery_email(
                    email, realm
                )
            except UserProfile.DoesNotExist:
                existing_user_profile = None
        else:
            existing_user_profile = None

        user_profile: Optional[UserProfile] = None
        return_data: Dict[str, bool] = {}
        if ldap_auth_enabled(realm):
            # If the user was authenticated using an external SSO
            # mechanism like Google or GitHub auth, then authentication
            # will have already been done before creating the
            # PreregistrationUser object with password_required=False, and
            # so we don't need to worry about passwords.
            #
            # If instead the realm is using EmailAuthBackend, we will
            # set their password above.
            #
            # But if the realm is using LDAPAuthBackend, we need to verify
            # their LDAP password (which will, as a side effect, create
            # the user account) here using authenticate.
            # pregeg_user.realm_creation carries the information about whether
            # we're in realm creation mode, and the ldap flow will handle
            # that and create the user with the appropriate parameters.
            user_profile = authenticate(
                request=request,
                username=email,
                password=password,
                realm=realm,
                prereg_user=prereg_user,
                return_data=return_data,
            )
            if user_profile is None:
                can_use_different_backend = email_auth_enabled(realm) or (
                    len(get_external_method_dicts(realm)) > 0
                )
                if settings.LDAP_APPEND_DOMAIN:
                    # In LDAP_APPEND_DOMAIN configurations, we don't allow making a non-LDAP account
                    # if the email matches the ldap domain.
                    can_use_different_backend = can_use_different_backend and (
                        not email_belongs_to_ldap(realm, email)
                    )
                if return_data.get("no_matching_ldap_user") and can_use_different_backend:
                    # If both the LDAP and Email or Social auth backends are
                    # enabled, and there's no matching user in the LDAP
                    # directory then the intent is to create a user in the
                    # realm with their email outside the LDAP organization
                    # (with e.g. a password stored in the Zulip database,
                    # not LDAP).  So we fall through and create the new
                    # account.
                    pass
                else:
                    # TODO: This probably isn't going to give a
                    # user-friendly error message, but it doesn't
                    # particularly matter, because the registration form
                    # is hidden for most users.
                    view_url = reverse("login")
                    query = urlencode({"email": email})
                    redirect_url = append_url_query_string(view_url, query)
                    return HttpResponseRedirect(redirect_url)
            elif not realm_creation:
                # Since we'll have created a user, we now just log them in.
                return login_and_go_to_home(request, user_profile)
            else:
                # With realm_creation=True, we're going to return further down,
                # after finishing up the creation process.
                pass

        if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
            user_profile = existing_user_profile
            do_activate_mirror_dummy_user(user_profile, acting_user=user_profile)
            do_change_password(user_profile, password)
            do_change_full_name(user_profile, full_name, user_profile)
            do_change_user_setting(user_profile, "timezone", timezone, acting_user=user_profile)
            # TODO: When we clean up the `do_activate_mirror_dummy_user` code path,
            # make it respect invited_as_admin / is_realm_admin.

        if user_profile is None:
            user_profile = do_create_user(
                email,
                password,
                realm,
                full_name,
                prereg_user=prereg_user,
                role=role,
                tos_version=settings.TOS_VERSION,
                timezone=timezone,
                default_stream_groups=default_stream_groups,
                source_profile=source_profile,
                realm_creation=realm_creation,
                acting_user=None,
                enable_marketing_emails=enable_marketing_emails,
            )

        if realm_creation:
            assert realm.signup_notifications_stream is not None
            bulk_add_subscriptions(
                realm, [realm.signup_notifications_stream], [user_profile], acting_user=None
            )
            send_initial_realm_messages(realm)

            # Because for realm creation, registration happens on the
            # root domain, we need to log them into the subdomain for
            # their new realm.
            return redirect_and_log_into_subdomain(
                ExternalAuthResult(user_profile=user_profile, data_dict={"is_realm_creation": True})
            )

        # This dummy_backend check below confirms the user is
        # authenticating to the correct subdomain.
        auth_result = authenticate(
            username=user_profile.delivery_email,
            realm=realm,
            return_data=return_data,
            use_dummy_backend=True,
        )
        if return_data.get("invalid_subdomain"):
            # By construction, this should never happen.
            logging.error(
                "Subdomain mismatch in registration %s: %s",
                realm.subdomain,
                user_profile.delivery_email,
            )
            return redirect("/")

        return login_and_go_to_home(request, auth_result)

    return render(
        request,
        "zerver/register.html",
        context={
            "form": form,
            "email": email,
            "key": key,
            "full_name": request.session.get("authenticated_full_name", None),
            "lock_name": name_validated and name_changes_disabled(realm),
            # password_auth_enabled is normally set via our context processor,
            # but for the registration form, there is no logged in user yet, so
            # we have to set it here.
            "creating_new_team": realm_creation,
            "password_required": password_auth_enabled(realm) and password_required,
            "require_ldap_password": require_ldap_password,
            "password_auth_enabled": password_auth_enabled(realm),
            "root_domain_available": is_root_domain_available(),
            "default_stream_groups": [] if realm is None else get_default_stream_groups(realm),
            "accounts": get_accounts_for_email(email),
            "MAX_REALM_NAME_LENGTH": str(Realm.MAX_REALM_NAME_LENGTH),
            "MAX_NAME_LENGTH": str(UserProfile.MAX_NAME_LENGTH),
            "MAX_PASSWORD_LENGTH": str(form.MAX_PASSWORD_LENGTH),
            "MAX_REALM_SUBDOMAIN_LENGTH": str(Realm.MAX_REALM_SUBDOMAIN_LENGTH),
            "sorted_realm_types": sorted(
                Realm.ORG_TYPES.values(), key=lambda d: d["display_order"]
            ),
        },
    )
Пример #10
0
def json_change_settings(
    request: HttpRequest,
    user_profile: UserProfile,
    full_name: str = REQ(default=""),
    email: str = REQ(default=""),
    old_password: str = REQ(default=""),
    new_password: str = REQ(default=""),
    twenty_four_hour_time: Optional[bool] = REQ(json_validator=check_bool,
                                                default=None),
    dense_mode: Optional[bool] = REQ(json_validator=check_bool, default=None),
    starred_message_counts: Optional[bool] = REQ(json_validator=check_bool,
                                                 default=None),
    fluid_layout_width: Optional[bool] = REQ(json_validator=check_bool,
                                             default=None),
    high_contrast_mode: Optional[bool] = REQ(json_validator=check_bool,
                                             default=None),
    color_scheme: Optional[int] = REQ(json_validator=check_int_in(
        UserProfile.COLOR_SCHEME_CHOICES),
                                      default=None),
    translate_emoticons: Optional[bool] = REQ(json_validator=check_bool,
                                              default=None),
    default_language: Optional[str] = REQ(default=None),
    default_view: Optional[str] = REQ(
        str_validator=check_string_in(default_view_options), default=None),
    left_side_userlist: Optional[bool] = REQ(json_validator=check_bool,
                                             default=None),
    emojiset: Optional[str] = REQ(
        str_validator=check_string_in(emojiset_choices), default=None),
    demote_inactive_streams: Optional[int] = REQ(json_validator=check_int_in(
        UserProfile.DEMOTE_STREAMS_CHOICES),
                                                 default=None),
    timezone: Optional[str] = REQ(str_validator=check_string_in(
        pytz.all_timezones_set),
                                  default=None),
    email_notifications_batching_period_seconds: Optional[int] = REQ(
        json_validator=check_int, default=None),
    enable_stream_desktop_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_stream_email_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_stream_push_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_stream_audible_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    wildcard_mentions_notify: Optional[bool] = REQ(json_validator=check_bool,
                                                   default=None),
    notification_sound: Optional[str] = REQ(default=None),
    enable_desktop_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_sounds: Optional[bool] = REQ(json_validator=check_bool,
                                        default=None),
    enable_offline_email_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_offline_push_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_online_push_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    enable_digest_emails: Optional[bool] = REQ(json_validator=check_bool,
                                               default=None),
    enable_login_emails: Optional[bool] = REQ(json_validator=check_bool,
                                              default=None),
    enable_marketing_emails: Optional[bool] = REQ(json_validator=check_bool,
                                                  default=None),
    message_content_in_email_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    pm_content_in_desktop_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    desktop_icon_count_display: Optional[int] = REQ(json_validator=check_int,
                                                    default=None),
    realm_name_in_notifications: Optional[bool] = REQ(
        json_validator=check_bool, default=None),
    presence_enabled: Optional[bool] = REQ(json_validator=check_bool,
                                           default=None),
    enter_sends: Optional[bool] = REQ(json_validator=check_bool, default=None),
) -> HttpResponse:
    # We can't use REQ for this widget because
    # get_available_language_codes requires provisioning to be
    # complete.
    if default_language is not None and default_language not in get_available_language_codes(
    ):
        raise JsonableError(_("Invalid default_language"))

    if (notification_sound is not None
            and notification_sound not in get_available_notification_sounds()
            and notification_sound != "none"):
        raise JsonableError(
            _("Invalid notification sound '{}'").format(notification_sound))

    if email_notifications_batching_period_seconds is not None and (
            email_notifications_batching_period_seconds <= 0
            or email_notifications_batching_period_seconds > 7 * 24 * 60 * 60):
        # We set a limit of one week for the batching period
        raise JsonableError(
            _("Invalid email batching period: {} seconds").format(
                email_notifications_batching_period_seconds))

    if new_password != "":
        return_data: Dict[str, Any] = {}
        if email_belongs_to_ldap(user_profile.realm,
                                 user_profile.delivery_email):
            raise JsonableError(_("Your Zulip password is managed in LDAP"))

        try:
            if not authenticate(
                    request,
                    username=user_profile.delivery_email,
                    password=old_password,
                    realm=user_profile.realm,
                    return_data=return_data,
            ):
                raise JsonableError(_("Wrong password!"))
        except RateLimited as e:
            assert e.secs_to_freedom is not None
            secs_to_freedom = int(e.secs_to_freedom)
            raise JsonableError(
                _("You're making too many attempts! Try again in {} seconds.").
                format(secs_to_freedom), )

        if not check_password_strength(new_password):
            raise JsonableError(_("New password is too weak!"))

        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 their 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: Dict[str, Any] = {}
    new_email = email.strip()
    if user_profile.delivery_email != new_email and new_email != "":
        if user_profile.realm.email_changes_disabled and not user_profile.is_realm_admin:
            raise JsonableError(
                _("Email address changes are disabled in this organization."))

        error = validate_email_is_valid(
            new_email,
            get_realm_email_validator(user_profile.realm),
        )
        if error:
            raise JsonableError(error)

        try:
            validate_email_not_already_in_realm(
                user_profile.realm,
                new_email,
                verbose=False,
            )
        except ValidationError as e:
            raise JsonableError(e.message)

        do_start_email_change_process(user_profile, new_email)

    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(
                user_profile.realm) and not user_profile.is_realm_admin:
            # 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:
            # Note that check_change_full_name strips the passed name automatically
            check_change_full_name(user_profile, full_name, user_profile)

    # Loop over user_profile.property_types
    request_settings = {
        k: v
        for k, v in list(locals().items()) if k in user_profile.property_types
    }
    for k, v in list(request_settings.items()):
        if v is not None and getattr(user_profile, k) != v:
            do_set_user_display_setting(user_profile, k, v)

    req_vars = {
        k: v
        for k, v in list(locals().items())
        if k in user_profile.notification_setting_types
    }

    for k, v in list(req_vars.items()):
        if v is not None and getattr(user_profile, k) != v:
            do_change_notification_settings(user_profile,
                                            k,
                                            v,
                                            acting_user=user_profile)

    if timezone is not None and user_profile.timezone != timezone:
        do_set_user_display_setting(user_profile, "timezone", timezone)

    # TODO: Do this more generally.
    from zerver.lib.request import get_request_notes

    request_notes = get_request_notes(request)
    for req_var in request.POST:
        if req_var not in request_notes.processed_parameters:
            request_notes.ignored_parameters.add(req_var)

    if len(request_notes.ignored_parameters) > 0:
        result["ignored_parameters_unsupported"] = list(
            request_notes.ignored_parameters)

    return json_success(result)
Пример #11
0
    def save(
            self,
            domain_override: Optional[bool] = None,
            subject_template_name:
        str = 'registration/password_reset_subject.txt',
            email_template_name: str = 'registration/password_reset_email.html',
            use_https: bool = False,
            token_generator:
        PasswordResetTokenGenerator = default_token_generator,
            from_email: Optional[str] = None,
            request: HttpRequest = None,
            html_email_template_name: Optional[str] = None,
            extra_email_context: Optional[Dict[str, Any]] = None) -> None:
        """
        If the email address has an account in the target realm,
        generates a one-use only link for resetting password and sends
        to the user.

        We send a different email if an associated account does not exist in the
        database, or an account does exist, but not in the realm.

        Note: We ignore protocol and the various email template arguments (those
        are an artifact of using Django's password reset framework).
        """
        email = self.cleaned_data["email"]

        realm = get_realm(get_subdomain(request))

        if not email_auth_enabled(realm):
            logging.info(
                "Password reset attempted for %s even though password auth is disabled."
                % (email, ))
            return
        if email_belongs_to_ldap(realm, email):
            # TODO: Ideally, we'd provide a user-facing error here
            # about the fact that they aren't allowed to have a
            # password in the Zulip server and should change it in LDAP.
            logging.info("Password reset not allowed for user in LDAP domain")
            return
        if realm.deactivated:
            logging.info("Realm is deactivated")
            return

        user = None  # type: Optional[UserProfile]
        try:
            user = get_active_user(email, realm)
        except UserProfile.DoesNotExist:
            pass

        context = {
            'email': email,
            'realm_uri': realm.uri,
        }

        if user is not None:
            token = token_generator.make_token(user)
            uid = urlsafe_base64_encode(force_bytes(user.id)).decode('ascii')
            endpoint = reverse(
                'django.contrib.auth.views.password_reset_confirm',
                kwargs=dict(uidb64=uid, token=token))

            context['no_account_in_realm'] = False
            context['reset_url'] = "{}{}".format(user.realm.uri, endpoint)
            send_email('zerver/emails/password_reset',
                       to_user_id=user.id,
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)
        else:
            context['no_account_in_realm'] = True
            active_accounts = UserProfile.objects.filter(email__iexact=email,
                                                         is_active=True)
            if active_accounts:
                context['active_accounts'] = active_accounts
                context['multiple_active_accounts'] = active_accounts.count(
                ) != 1
            send_email('zerver/emails/password_reset',
                       to_email=email,
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)
Пример #12
0
    def save(
        self,
        domain_override: Optional[str] = None,
        subject_template_name: str = "registration/password_reset_subject.txt",
        email_template_name: str = "registration/password_reset_email.html",
        use_https: bool = False,
        token_generator: PasswordResetTokenGenerator = default_token_generator,
        from_email: Optional[str] = None,
        request: Optional[HttpRequest] = None,
        html_email_template_name: Optional[str] = None,
        extra_email_context: Optional[Dict[str, Any]] = None,
    ) -> None:
        """
        If the email address has an account in the target realm,
        generates a one-use only link for resetting password and sends
        to the user.

        We send a different email if an associated account does not exist in the
        database, or an account does exist, but not in the realm.

        Note: We ignore protocol and the various email template arguments (those
        are an artifact of using Django's password reset framework).
        """
        email = self.cleaned_data["email"]
        # The form is only used in zerver.views.auth.password_rest, we know that
        # the request must not be None
        assert request is not None

        realm = get_realm(get_subdomain(request))

        if not email_auth_enabled(realm):
            logging.info(
                "Password reset attempted for %s even though password auth is disabled.",
                email)
            return
        if email_belongs_to_ldap(realm, email):
            # TODO: Ideally, we'd provide a user-facing error here
            # about the fact that they aren't allowed to have a
            # password in the Zulip server and should change it in LDAP.
            logging.info("Password reset not allowed for user in LDAP domain")
            return
        if realm.deactivated:
            logging.info("Realm is deactivated")
            return

        if settings.RATE_LIMITING:
            try:
                rate_limit_password_reset_form_by_email(email)
                rate_limit_request_by_ip(request, domain="sends_email_by_ip")
            except RateLimited:
                logging.info(
                    "Too many password reset attempts for email %s from %s",
                    email,
                    request.META["REMOTE_ADDR"],
                )
                # The view will handle the RateLimit exception and render an appropriate page
                raise

        user: Optional[UserProfile] = None
        try:
            user = get_user_by_delivery_email(email, realm)
        except UserProfile.DoesNotExist:
            pass

        context = {
            "email": email,
            "realm_uri": realm.uri,
            "realm_name": realm.name,
        }

        if user is not None and not user.is_active:
            context["user_deactivated"] = True
            user = None

        if user is not None:
            context["active_account_in_realm"] = True
            context["reset_url"] = generate_password_reset_url(
                user, token_generator)
            queue_soft_reactivation(user.id)
            send_email(
                "zerver/emails/password_reset",
                to_user_ids=[user.id],
                from_name=FromAddress.security_email_from_name(
                    user_profile=user),
                from_address=FromAddress.tokenized_no_reply_address(),
                context=context,
                realm=realm,
                request=request,
            )
        else:
            context["active_account_in_realm"] = False
            active_accounts_in_other_realms = UserProfile.objects.filter(
                delivery_email__iexact=email, is_active=True)
            if active_accounts_in_other_realms:
                context[
                    "active_accounts_in_other_realms"] = active_accounts_in_other_realms
            language = get_language()

            send_email(
                "zerver/emails/password_reset",
                to_emails=[email],
                from_name=FromAddress.security_email_from_name(
                    language=language),
                from_address=FromAddress.tokenized_no_reply_address(),
                language=language,
                context=context,
                realm=realm,
                request=request,
            )
Пример #13
0
def json_change_settings(
    request: HttpRequest,
    user_profile: UserProfile,
    full_name: str = REQ(default=""),
    email: str = REQ(default=""),
    old_password: str = REQ(default=""),
    new_password: str = REQ(default=""),
) -> HttpResponse:
    if not (full_name or new_password or email):
        raise JsonableError(_("Please fill out all fields."))

    if new_password != "":
        return_data: Dict[str, Any] = {}
        if email_belongs_to_ldap(user_profile.realm, user_profile.delivery_email):
            raise JsonableError(_("Your Zulip password is managed in LDAP"))

        try:
            if not authenticate(
                request,
                username=user_profile.delivery_email,
                password=old_password,
                realm=user_profile.realm,
                return_data=return_data,
            ):
                raise JsonableError(_("Wrong password!"))
        except RateLimited as e:
            assert e.secs_to_freedom is not None
            secs_to_freedom = int(e.secs_to_freedom)
            raise JsonableError(
                _("You're making too many attempts! Try again in {} seconds.").format(
                    secs_to_freedom
                ),
            )

        if not check_password_strength(new_password):
            raise JsonableError(_("New password is too weak!"))

        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 their 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: Dict[str, Any] = {}
    new_email = email.strip()
    if user_profile.delivery_email != new_email and new_email != "":
        if user_profile.realm.email_changes_disabled and not user_profile.is_realm_admin:
            raise JsonableError(_("Email address changes are disabled in this organization."))

        error = validate_email_is_valid(
            new_email,
            get_realm_email_validator(user_profile.realm),
        )
        if error:
            raise JsonableError(error)

        try:
            validate_email_not_already_in_realm(
                user_profile.realm,
                new_email,
                verbose=False,
            )
        except ValidationError as e:
            raise JsonableError(e.message)

        do_start_email_change_process(user_profile, new_email)
        result["account_email"] = _("Check your email for a confirmation link. ")

    if user_profile.full_name != full_name and full_name.strip() != "":
        if name_changes_disabled(user_profile.realm) and not user_profile.is_realm_admin:
            # 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:
            # Note that check_change_full_name strips the passed name automatically
            result["full_name"] = check_change_full_name(user_profile, full_name, user_profile)

    return json_success(result)
Пример #14
0
    def save(self,
             domain_override: Optional[bool]=None,
             subject_template_name: str='registration/password_reset_subject.txt',
             email_template_name: str='registration/password_reset_email.html',
             use_https: bool=False,
             token_generator: PasswordResetTokenGenerator=default_token_generator,
             from_email: Optional[str]=None,
             request: HttpRequest=None,
             html_email_template_name: Optional[str]=None,
             extra_email_context: Optional[Dict[str, Any]]=None
             ) -> None:
        """
        If the email address has an account in the target realm,
        generates a one-use only link for resetting password and sends
        to the user.

        We send a different email if an associated account does not exist in the
        database, or an account does exist, but not in the realm.

        Note: We ignore protocol and the various email template arguments (those
        are an artifact of using Django's password reset framework).
        """
        email = self.cleaned_data["email"]

        realm = get_realm(get_subdomain(request))

        if not email_auth_enabled(realm):
            logging.info("Password reset attempted for %s even though password auth is disabled." % (email,))
            return
        if email_belongs_to_ldap(realm, email):
            # TODO: Ideally, we'd provide a user-facing error here
            # about the fact that they aren't allowed to have a
            # password in the Zulip server and should change it in LDAP.
            logging.info("Password reset not allowed for user in LDAP domain")
            return
        if realm.deactivated:
            logging.info("Realm is deactivated")
            return

        user = None  # type: Optional[UserProfile]
        try:
            user = get_active_user(email, realm)
        except UserProfile.DoesNotExist:
            pass

        context = {
            'email': email,
            'realm_uri': realm.uri,
        }

        if user is not None:
            token = token_generator.make_token(user)
            uid = urlsafe_base64_encode(force_bytes(user.id)).decode('ascii')
            endpoint = reverse('django.contrib.auth.views.password_reset_confirm',
                               kwargs=dict(uidb64=uid, token=token))

            context['no_account_in_realm'] = False
            context['reset_url'] = "{}{}".format(user.realm.uri, endpoint)
            send_email('zerver/emails/password_reset', to_user_id=user.id,
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)
        else:
            context['no_account_in_realm'] = True
            accounts = UserProfile.objects.filter(email__iexact=email)
            if accounts:
                context['accounts'] = accounts
                context['multiple_accounts'] = accounts.count() != 1
            send_email('zerver/emails/password_reset', to_email=email,
                       from_name="Zulip Account Security",
                       from_address=FromAddress.tokenized_no_reply_address(),
                       context=context)