mirror of https://github.com/zulip/zulip.git
1263 lines
52 KiB
Python
1263 lines
52 KiB
Python
import logging
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from collections.abc import Iterable
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from contextlib import suppress
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from typing import Annotated, Any
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from urllib.parse import urlencode, urljoin
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import orjson
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from django.conf import settings
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from django.contrib.auth import REDIRECT_FIELD_NAME, authenticate, get_backends
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from django.contrib.sessions.backends.base import SessionBase
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from django.core import validators
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from django.core.exceptions import ValidationError
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from django.db import transaction
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from django.db.models import Q
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from django.db.utils import IntegrityError
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from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
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from django.shortcuts import redirect, render
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from django.template.response import TemplateResponse
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from django.urls import reverse
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from django.utils.translation import get_language
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from django.views.defaults import server_error
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from django_auth_ldap.backend import LDAPBackend, _LDAPUser
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from pydantic import Json, NonNegativeInt, StringConstraints
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from confirmation.models import (
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Confirmation,
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ConfirmationKeyError,
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RealmCreationKey,
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create_confirmation_link,
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get_object_from_key,
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render_confirmation_key_error,
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validate_key,
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)
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from zerver.actions.create_realm import do_create_realm
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from zerver.actions.create_user import do_activate_mirror_dummy_user, do_create_user
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from zerver.actions.default_streams import lookup_default_stream_groups
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from zerver.actions.user_settings import (
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do_change_full_name,
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do_change_password,
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do_change_user_setting,
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)
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from zerver.actions.users import do_change_user_role
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from zerver.context_processors import (
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get_realm_create_form_context,
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get_realm_from_request,
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login_context,
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)
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from zerver.decorator import add_google_analytics, do_login, require_post
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from zerver.forms import (
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FindMyTeamForm,
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HomepageForm,
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RealmCreationForm,
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RealmRedirectForm,
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RegistrationForm,
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)
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from zerver.lib.email_validation import email_allowed_for_realm, validate_email_not_already_in_realm
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from zerver.lib.exceptions import RateLimitedError
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from zerver.lib.i18n import (
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get_browser_language_code,
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get_default_language_for_new_user,
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get_language_name,
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)
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from zerver.lib.pysa import mark_sanitized
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from zerver.lib.rate_limiter import rate_limit_request_by_ip
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from zerver.lib.send_email import EmailNotDeliveredError, FromAddress, send_email
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from zerver.lib.sessions import get_expirable_session_var
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from zerver.lib.subdomains import get_subdomain
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from zerver.lib.typed_endpoint import (
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ApiParamConfig,
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PathOnly,
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typed_endpoint,
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typed_endpoint_without_parameters,
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)
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from zerver.lib.typed_endpoint_validators import (
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check_int_in_validator,
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non_negative_int_or_none_validator,
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timezone_or_empty_validator,
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)
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from zerver.lib.url_encoding import append_url_query_string
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from zerver.lib.users import get_accounts_for_email
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from zerver.lib.zephyr import compute_mit_user_fullname
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from zerver.models import (
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MultiuseInvite,
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PreregistrationRealm,
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PreregistrationUser,
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Realm,
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RealmUserDefault,
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Stream,
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UserProfile,
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)
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from zerver.models.constants import MAX_LANGUAGE_ID_LENGTH
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from zerver.models.realm_audit_logs import RealmAuditLog
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from zerver.models.realms import (
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DisposableEmailError,
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DomainNotAllowedForRealmError,
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EmailContainsPlusError,
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get_org_type_display_name,
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get_realm,
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name_changes_disabled,
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)
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from zerver.models.streams import get_default_stream_groups
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from zerver.models.users import get_source_profile, get_user_by_delivery_email
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from zerver.views.auth import (
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create_preregistration_realm,
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create_preregistration_user,
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finish_desktop_flow,
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finish_mobile_flow,
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redirect_and_log_into_subdomain,
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redirect_to_deactivation_notice,
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)
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from zerver.views.errors import config_error
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from zproject.backends import (
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ExternalAuthResult,
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NoMatchingLDAPUserError,
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ZulipLDAPAuthBackend,
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email_auth_enabled,
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email_belongs_to_ldap,
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get_external_method_dicts,
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ldap_auth_enabled,
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password_auth_enabled,
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)
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@typed_endpoint
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def get_prereg_key_and_redirect(
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request: HttpRequest, *, confirmation_key: PathOnly[str], full_name: str | None = None
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) -> HttpResponse:
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"""
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The purpose of this little endpoint is primarily to take a GET
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request to a long URL containing a confirmation key, and render
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a page that will via JavaScript immediately do a POST request to
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/accounts/register, so that the user can create their account on
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a page with a cleaner URL (and with the browser security and UX
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benefits of an HTTP POST having generated the page).
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The only thing it does before rendering that page is to check
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the validity of the confirmation link. This is redundant with a
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similar check in accounts_register, but it provides a slightly nicer
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user-facing error handling experience if the URL you visited is
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displayed in the browser. (E.g. you can debug that you
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accidentally adding an extra character after pasting).
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"""
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try:
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prereg_object, realm_creation = check_prereg_key(request, confirmation_key)
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except ConfirmationKeyError as e:
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return render_confirmation_key_error(request, e)
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registration_url = reverse("accounts_register")
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if realm_creation:
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registration_url = reverse("realm_register")
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return render(
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request,
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"confirmation/confirm_preregistrationuser.html",
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context={
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"key": confirmation_key,
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"full_name": full_name,
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"registration_url": registration_url,
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},
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)
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def check_prereg_key(
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request: HttpRequest, confirmation_key: str
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) -> tuple[PreregistrationUser | PreregistrationRealm, bool]:
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"""
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Checks if the Confirmation key is valid, returning the PreregistrationUser or
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PreregistrationRealm object in case of success and raising an appropriate
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ConfirmationKeyError otherwise.
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"""
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confirmation_types = [
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Confirmation.USER_REGISTRATION,
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Confirmation.INVITATION,
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Confirmation.REALM_CREATION,
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]
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prereg_object = get_object_from_key(
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confirmation_key, confirmation_types, mark_object_used=False
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)
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assert isinstance(prereg_object, PreregistrationRealm | PreregistrationUser)
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confirmation_obj = prereg_object.confirmation.get()
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realm_creation = confirmation_obj.type == Confirmation.REALM_CREATION
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if realm_creation:
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assert isinstance(prereg_object, PreregistrationRealm)
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# Defensive assert to make sure no mix-up in how .status is set leading to reuse
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# of a PreregistrationRealm object.
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assert prereg_object.created_realm is None
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else:
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assert isinstance(prereg_object, PreregistrationUser)
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# Defensive assert to make sure no mix-up in how .status is set leading to reuse
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# of a PreregistrationUser object.
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assert prereg_object.created_user is None
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return prereg_object, realm_creation
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def get_selected_realm_type_name(prereg_realm: PreregistrationRealm | None) -> str | None:
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if prereg_realm is None:
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# We show the selected realm type only when creating new realm.
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return None
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return get_org_type_display_name(prereg_realm.org_type)
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def get_selected_realm_default_language_name(
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prereg_realm: PreregistrationRealm | None,
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) -> str | None:
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if prereg_realm is None:
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# We show the selected realm language only when creating new realm.
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return None
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return get_language_name(prereg_realm.default_language)
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@add_google_analytics
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@require_post
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def realm_register(*args: Any, **kwargs: Any) -> HttpResponse:
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return registration_helper(*args, **kwargs)
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@require_post
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def accounts_register(*args: Any, **kwargs: Any) -> HttpResponse:
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return registration_helper(*args, **kwargs)
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@typed_endpoint
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def registration_helper(
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request: HttpRequest,
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*,
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key: str = "",
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timezone: Annotated[str, timezone_or_empty_validator()] = "",
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from_confirmation: str | None = None,
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form_full_name: Annotated[str | None, ApiParamConfig("full_name")] = None,
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source_realm_id: Annotated[NonNegativeInt | None, non_negative_int_or_none_validator()] = None,
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form_is_demo_organization: Annotated[str | None, ApiParamConfig("is_demo_organization")] = None,
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) -> HttpResponse:
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try:
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prereg_object, realm_creation = check_prereg_key(request, key)
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except ConfirmationKeyError as e:
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return render_confirmation_key_error(request, e)
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email = prereg_object.email
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prereg_realm = None
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prereg_user = None
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if realm_creation:
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assert isinstance(prereg_object, PreregistrationRealm)
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prereg_realm = prereg_object
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password_required = True
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role = UserProfile.ROLE_REALM_OWNER
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else:
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assert isinstance(prereg_object, PreregistrationUser)
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prereg_user = prereg_object
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password_required = prereg_object.password_required
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role = prereg_object.invited_as
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if form_is_demo_organization is None:
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demo_organization_creation = False
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else:
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# Check the explicit strings that return false
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# in django.forms.BooleanField.to_python.
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false_strings = ("false", "0")
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demo_organization_creation = form_is_demo_organization.strip().lower() not in false_strings
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if email == "":
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# Do not attempt to validate email for users without an email address.
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# The assertions here are to help document the only circumstance under which
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# this condition should be possible.
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assert realm_creation and demo_organization_creation
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# TODO: Remove settings.DEVELOPMENT when demo organization feature ready
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# to be fully implemented.
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assert settings.DEVELOPMENT
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else:
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try:
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validators.validate_email(email)
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except ValidationError:
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return TemplateResponse(
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request,
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"zerver/invalid_email.html",
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context={"invalid_email": True},
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status=400,
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)
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if realm_creation:
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# For creating a new realm, there is no existing realm or domain
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realm = None
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else:
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assert prereg_user is not None
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assert prereg_user.realm is not None
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if get_subdomain(request) != prereg_user.realm.string_id:
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return render_confirmation_key_error(
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request, ConfirmationKeyError(ConfirmationKeyError.DOES_NOT_EXIST)
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)
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realm = prereg_user.realm
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try:
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email_allowed_for_realm(email, realm)
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except DomainNotAllowedForRealmError:
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return TemplateResponse(
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request,
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"zerver/invalid_email.html",
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context={"realm_name": realm.name, "closed_domain": True},
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status=400,
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)
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except DisposableEmailError:
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return TemplateResponse(
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request,
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"zerver/invalid_email.html",
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context={"realm_name": realm.name, "disposable_emails_not_allowed": True},
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status=400,
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)
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except EmailContainsPlusError:
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return TemplateResponse(
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request,
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"zerver/invalid_email.html",
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context={"realm_name": realm.name, "email_contains_plus": True},
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status=400,
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)
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if realm.deactivated:
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# The user is trying to register for a deactivated realm. Advise them to
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# contact support.
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return redirect_to_deactivation_notice()
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try:
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validate_email_not_already_in_realm(realm, email)
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except ValidationError:
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return redirect_to_email_login_url(email)
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if settings.BILLING_ENABLED:
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from corporate.lib.registration import (
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check_spare_licenses_available_for_registering_new_user,
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)
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from corporate.lib.stripe import LicenseLimitError
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try:
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check_spare_licenses_available_for_registering_new_user(realm, email, role=role)
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except LicenseLimitError:
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return TemplateResponse(request, "zerver/no_spare_licenses.html")
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name_validated = False
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require_ldap_password = False
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if from_confirmation:
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with suppress(KeyError):
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del request.session["authenticated_full_name"]
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ldap_full_name = None
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if settings.POPULATE_PROFILE_VIA_LDAP:
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# If the user can be found in LDAP, we'll take the full name from the directory,
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# and further down create a form pre-filled with it.
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for backend in get_backends():
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if isinstance(backend, LDAPBackend):
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try:
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ldap_username = backend.django_to_ldap_username(email)
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except NoMatchingLDAPUserError:
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logging.warning("New account email %s could not be found in LDAP", email)
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break
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# Note that this `ldap_user` object is not a
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# `ZulipLDAPUser` with a `Realm` attached, so
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# calling `.populate_user()` on it will crash.
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# This is OK, since we're just accessing this user
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# to extract its name.
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#
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# TODO: We should potentially be accessing this
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# user to sync its initial avatar and custom
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# profile fields as well, if we indeed end up
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# creating a user account through this flow,
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# rather than waiting until `manage.py
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# sync_ldap_user_data` runs to populate it.
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ldap_user = _LDAPUser(backend, ldap_username)
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try:
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ldap_full_name = backend.get_mapped_name(ldap_user)
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except TypeError:
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break
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# Check whether this is ZulipLDAPAuthBackend,
|
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# which is responsible for authentication and
|
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# requires that LDAP accounts enter their LDAP
|
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# password to register, or ZulipLDAPUserPopulator,
|
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# which just populates UserProfile fields (no auth).
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require_ldap_password = isinstance(backend, ZulipLDAPAuthBackend)
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break
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|
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initial_data = {}
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if realm_creation:
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assert prereg_realm is not None
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initial_data = {
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"realm_name": prereg_realm.name,
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"realm_type": prereg_realm.org_type,
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"realm_default_language": prereg_realm.default_language,
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"realm_subdomain": prereg_realm.string_id,
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}
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|
|
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if ldap_full_name:
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# We don't add "full_name" to initial here, because if the realm
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# already exists and form is complete (that is, no additional fields
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# need to be filled out by the user) we want the form to validate,
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# so they can be directly registered without having to go through
|
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# this interstitial.
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form = RegistrationForm(
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{"full_name": ldap_full_name},
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initial=initial_data,
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realm_creation=realm_creation,
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|
realm=realm,
|
|
)
|
|
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
|
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# zephyr mirroring realm.
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hesiod_name = compute_mit_user_fullname(email)
|
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form = RegistrationForm(
|
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initial={"full_name": hesiod_name if "@" not in hesiod_name else ""},
|
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realm_creation=realm_creation,
|
|
realm=realm,
|
|
)
|
|
name_validated = True
|
|
elif prereg_user is not None and 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},
|
|
initial=initial_data,
|
|
realm_creation=realm_creation,
|
|
realm=realm,
|
|
)
|
|
else:
|
|
initial_data["full_name"] = prereg_user.full_name
|
|
form = RegistrationForm(
|
|
initial=initial_data,
|
|
realm_creation=realm_creation,
|
|
realm=realm,
|
|
)
|
|
elif form_full_name is not None:
|
|
initial_data["full_name"] = form_full_name
|
|
form = RegistrationForm(
|
|
initial=initial_data,
|
|
realm_creation=realm_creation,
|
|
realm=realm,
|
|
)
|
|
else:
|
|
form = RegistrationForm(
|
|
initial=initial_data, realm_creation=realm_creation, realm=realm
|
|
)
|
|
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, realm=realm)
|
|
|
|
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"]
|
|
realm_default_language = form.cleaned_data["realm_default_language"]
|
|
is_demo_organization = form.cleaned_data["is_demo_organization"]
|
|
how_realm_creator_found_zulip = RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS[
|
|
form.cleaned_data["how_realm_creator_found_zulip"]
|
|
]
|
|
how_realm_creator_found_zulip_extra_context = ""
|
|
if (
|
|
how_realm_creator_found_zulip
|
|
== RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS["other"]
|
|
):
|
|
how_realm_creator_found_zulip_extra_context = form.cleaned_data[
|
|
"how_realm_creator_found_zulip_other_text"
|
|
]
|
|
elif (
|
|
how_realm_creator_found_zulip
|
|
== RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS["ad"]
|
|
):
|
|
how_realm_creator_found_zulip_extra_context = form.cleaned_data[
|
|
"how_realm_creator_found_zulip_where_ad"
|
|
]
|
|
elif (
|
|
how_realm_creator_found_zulip
|
|
== RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS["existing_user"]
|
|
):
|
|
how_realm_creator_found_zulip_extra_context = form.cleaned_data[
|
|
"how_realm_creator_found_zulip_which_organization"
|
|
]
|
|
elif (
|
|
how_realm_creator_found_zulip
|
|
== RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS["review_site"]
|
|
): # nocoverage
|
|
how_realm_creator_found_zulip_extra_context = form.cleaned_data[
|
|
"how_realm_creator_found_zulip_review_site"
|
|
]
|
|
|
|
realm = do_create_realm(
|
|
string_id,
|
|
realm_name,
|
|
org_type=realm_type,
|
|
default_language=realm_default_language,
|
|
is_demo_organization=is_demo_organization,
|
|
prereg_realm=prereg_realm,
|
|
how_realm_creator_found_zulip=how_realm_creator_found_zulip,
|
|
how_realm_creator_found_zulip_extra_context=how_realm_creator_found_zulip_extra_context,
|
|
)
|
|
assert realm is not None
|
|
|
|
full_name = form.cleaned_data["full_name"]
|
|
enable_marketing_emails = form.cleaned_data["enable_marketing_emails"]
|
|
email_address_visibility = form.cleaned_data["email_address_visibility"]
|
|
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: UserProfile | None = get_source_profile(email, source_realm_id)
|
|
else:
|
|
source_profile = None
|
|
|
|
if not realm_creation:
|
|
try:
|
|
existing_user_profile: UserProfile | None = get_user_by_delivery_email(email, realm)
|
|
except UserProfile.DoesNotExist:
|
|
existing_user_profile = None
|
|
else:
|
|
existing_user_profile = None
|
|
|
|
user_profile: UserProfile | None = 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.
|
|
# prereg_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 = authenticate(
|
|
request=request,
|
|
username=email,
|
|
password=password,
|
|
realm=realm,
|
|
prereg_user=prereg_user,
|
|
prereg_realm=prereg_realm,
|
|
return_data=return_data,
|
|
)
|
|
if user is None:
|
|
# This logic is security-sensitive. The user has NOT been successfully authenticated
|
|
# with LDAP and we need to carefully decide whether they should be permitted to proceed
|
|
# with account creation anyway or be stopped. There are three scenarios to consider:
|
|
#
|
|
# 1. EmailAuthBackend is enabled for the realm. That explicitly means that a user
|
|
# with a valid confirmation link should be able to create an account, because
|
|
# they were invited or organization permissions allowed sign up.
|
|
# 2. EmailAuthBackend is disabled - that means the organization wants to be authenticating
|
|
# users with an external source (LDAP or one of the ExternalAuthMethods). If the user
|
|
# came here through one of the ExternalAuthMethods, their identity can be considered
|
|
# verified and account creation can proceed.
|
|
# 3. EmailAuthBackend is disabled and the user did not come here through an ExternalAuthMethod.
|
|
# That means they came here by entering their email address on the registration page
|
|
# and clicking the confirmation link received. That means their identity needs to be
|
|
# verified with LDAP - and that has just failed above. Thus the account should NOT be
|
|
# created.
|
|
#
|
|
if email_auth_enabled(realm):
|
|
can_use_different_backend = True
|
|
# We can identify the user came here through an ExternalAuthMethod by password_required
|
|
# being set to False on the PreregistrationUser object.
|
|
elif len(get_external_method_dicts(realm)) > 0 and not password_required:
|
|
can_use_different_backend = True
|
|
else:
|
|
can_use_different_backend = False
|
|
|
|
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)
|
|
else:
|
|
assert isinstance(user, UserProfile)
|
|
user_profile = user
|
|
if 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)
|
|
# With realm_creation=True, we're going to return further down,
|
|
# after finishing up the creation process.
|
|
|
|
if existing_user_profile is not None and existing_user_profile.is_mirror_dummy:
|
|
user_profile = existing_user_profile
|
|
with transaction.atomic(durable=True):
|
|
# We reactivate the mirror dummy user, but we need to respect the role
|
|
# that was passed in via the PreregistrationUser. Mirror dummy users can
|
|
# come from data import from 3rd party tools, with their role not necessarily
|
|
# set to what the realm admins may want. Such users have to explicitly go through
|
|
# the sign up flow, and thus their final role should match what the administrators
|
|
# may have set in the invitation, to avoid surprises.
|
|
#
|
|
# It's also important to reactivate the account and adjust the role in a single
|
|
# transaction, to avoid security issues if the process is interrupted halfway,
|
|
# e.g. leaving the user reactivated but with the wrong role.
|
|
do_activate_mirror_dummy_user(user_profile, acting_user=user_profile)
|
|
do_change_user_role(user_profile, role, 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)
|
|
do_change_user_setting(
|
|
user_profile,
|
|
"default_language",
|
|
get_default_language_for_new_user(realm, request=request),
|
|
acting_user=None,
|
|
)
|
|
|
|
if user_profile is None:
|
|
try:
|
|
user_profile = do_create_user(
|
|
email,
|
|
password,
|
|
realm,
|
|
full_name,
|
|
prereg_user=prereg_user,
|
|
prereg_realm=prereg_realm,
|
|
role=role,
|
|
tos_version=settings.TERMS_OF_SERVICE_VERSION,
|
|
timezone=timezone,
|
|
default_language=get_default_language_for_new_user(realm, request=request),
|
|
default_stream_groups=default_stream_groups,
|
|
source_profile=source_profile,
|
|
realm_creation=realm_creation,
|
|
acting_user=None,
|
|
enable_marketing_emails=enable_marketing_emails,
|
|
email_address_visibility=email_address_visibility,
|
|
)
|
|
except IntegrityError:
|
|
# Race condition making the user, leading to a
|
|
# duplicate email address. Redirect them to the login
|
|
# form.
|
|
return redirect_to_email_login_url(email)
|
|
|
|
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(
|
|
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(
|
|
request=request,
|
|
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("/")
|
|
|
|
assert isinstance(auth_result, UserProfile)
|
|
return login_and_go_to_home(request, auth_result)
|
|
|
|
default_email_address_visibility = None
|
|
if realm is not None:
|
|
realm_user_default = RealmUserDefault.objects.get(realm=realm)
|
|
default_email_address_visibility = realm_user_default.email_address_visibility
|
|
|
|
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_realm": realm_creation,
|
|
"password_required": password_auth_enabled(realm) and password_required,
|
|
"require_ldap_password": require_ldap_password,
|
|
"password_auth_enabled": password_auth_enabled(realm),
|
|
"default_stream_groups": [] if realm is None else get_default_stream_groups(realm),
|
|
"accounts": get_accounts_for_email(email),
|
|
"MAX_NAME_LENGTH": str(UserProfile.MAX_NAME_LENGTH),
|
|
"MAX_PASSWORD_LENGTH": str(form.MAX_PASSWORD_LENGTH),
|
|
"corporate_enabled": settings.CORPORATE_ENABLED,
|
|
"default_email_address_visibility": default_email_address_visibility,
|
|
"selected_realm_type_name": get_selected_realm_type_name(prereg_realm),
|
|
"selected_realm_default_language_name": get_selected_realm_default_language_name(
|
|
prereg_realm
|
|
),
|
|
"email_address_visibility_admins_only": RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_ADMINS,
|
|
"email_address_visibility_moderators": RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_MODERATORS,
|
|
"email_address_visibility_nobody": RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_NOBODY,
|
|
"email_address_visibility_options_dict": UserProfile.EMAIL_ADDRESS_VISIBILITY_ID_TO_NAME_MAP,
|
|
"how_realm_creator_found_zulip_options": RealmAuditLog.HOW_REALM_CREATOR_FOUND_ZULIP_OPTIONS.items(),
|
|
}
|
|
# Add context for realm creation part of the form.
|
|
context.update(get_realm_create_form_context())
|
|
|
|
return TemplateResponse(request, "zerver/register.html", context=context)
|
|
|
|
|
|
def login_and_go_to_home(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
|
|
mobile_flow_otp = get_expirable_session_var(
|
|
request.session, "registration_mobile_flow_otp", delete=True
|
|
)
|
|
desktop_flow_otp = get_expirable_session_var(
|
|
request.session, "registration_desktop_flow_otp", delete=True
|
|
)
|
|
if mobile_flow_otp is not None:
|
|
return finish_mobile_flow(request, user_profile, mobile_flow_otp)
|
|
elif desktop_flow_otp is not None:
|
|
params_to_store_in_authenticated_session = orjson.loads(
|
|
get_expirable_session_var(
|
|
request.session,
|
|
"registration_desktop_flow_params_to_store_in_authenticated_session",
|
|
default_value="{}",
|
|
delete=True,
|
|
)
|
|
)
|
|
return finish_desktop_flow(
|
|
request, user_profile, desktop_flow_otp, params_to_store_in_authenticated_session
|
|
)
|
|
|
|
do_login(request, user_profile)
|
|
# Using 'mark_sanitized' to work around false positive where Pysa thinks
|
|
# that 'user_profile' is user-controlled
|
|
return HttpResponseRedirect(mark_sanitized(user_profile.realm.url) + reverse("home"))
|
|
|
|
|
|
def prepare_activation_url(
|
|
email: str,
|
|
session: SessionBase,
|
|
*,
|
|
realm: Realm | None,
|
|
streams: Iterable[Stream] | None = None,
|
|
invited_as: int | None = None,
|
|
include_realm_default_subscriptions: bool | None = None,
|
|
multiuse_invite: MultiuseInvite | None = None,
|
|
) -> str:
|
|
"""
|
|
Send an email with a confirmation link to the provided e-mail so the user
|
|
can complete their registration.
|
|
"""
|
|
prereg_user = create_preregistration_user(email, realm, multiuse_invite=multiuse_invite)
|
|
|
|
if streams is not None:
|
|
prereg_user.streams.set(streams)
|
|
|
|
if invited_as is not None:
|
|
prereg_user.invited_as = invited_as
|
|
|
|
if include_realm_default_subscriptions is not None:
|
|
prereg_user.include_realm_default_subscriptions = include_realm_default_subscriptions
|
|
|
|
if invited_as is not None or include_realm_default_subscriptions is not None:
|
|
prereg_user.save()
|
|
|
|
confirmation_type = Confirmation.USER_REGISTRATION
|
|
|
|
activation_url = create_confirmation_link(prereg_user, confirmation_type)
|
|
return activation_url
|
|
|
|
|
|
def prepare_realm_activation_url(
|
|
email: str,
|
|
session: SessionBase,
|
|
realm_name: str,
|
|
string_id: str,
|
|
org_type: int,
|
|
default_language: str,
|
|
) -> str:
|
|
prereg_realm = create_preregistration_realm(
|
|
email, realm_name, string_id, org_type, default_language
|
|
)
|
|
activation_url = create_confirmation_link(
|
|
prereg_realm, Confirmation.REALM_CREATION, no_associated_realm_object=True
|
|
)
|
|
|
|
if settings.DEVELOPMENT:
|
|
session["confirmation_key"] = {"confirmation_key": activation_url.split("/")[-1]}
|
|
return activation_url
|
|
|
|
|
|
def send_confirm_registration_email(
|
|
email: str,
|
|
activation_url: str,
|
|
*,
|
|
realm: Realm | None = None,
|
|
realm_subdomain: str | None = None,
|
|
realm_type: int | None = None,
|
|
request: HttpRequest | None = None,
|
|
) -> None:
|
|
org_url = ""
|
|
org_type = ""
|
|
if realm is None:
|
|
assert realm_subdomain is not None
|
|
org_url = f"{realm_subdomain}.{settings.EXTERNAL_HOST}"
|
|
assert realm_type is not None
|
|
org_type = get_org_type_display_name(realm_type)
|
|
send_email(
|
|
"zerver/emails/confirm_registration",
|
|
to_emails=[email],
|
|
from_address=FromAddress.tokenized_no_reply_address(),
|
|
language=get_language() if request is not None else None,
|
|
context={
|
|
"create_realm": realm is None,
|
|
"activate_url": activation_url,
|
|
"corporate_enabled": settings.CORPORATE_ENABLED,
|
|
"organization_url": org_url,
|
|
"organization_type": org_type,
|
|
},
|
|
realm=realm,
|
|
request=request,
|
|
)
|
|
|
|
|
|
def redirect_to_email_login_url(email: str) -> HttpResponseRedirect:
|
|
login_url = reverse("login")
|
|
redirect_url = append_url_query_string(
|
|
login_url, urlencode({"email": email, "already_registered": 1})
|
|
)
|
|
return HttpResponseRedirect(redirect_url)
|
|
|
|
|
|
@add_google_analytics
|
|
def create_realm(request: HttpRequest, creation_key: str | None = None) -> HttpResponse:
|
|
try:
|
|
key_record = validate_key(creation_key)
|
|
except RealmCreationKey.InvalidError:
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/portico_error_pages/realm_creation_link_invalid.html",
|
|
)
|
|
if not settings.OPEN_REALM_CREATION and key_record is None:
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/portico_error_pages/realm_creation_disabled.html",
|
|
)
|
|
|
|
# When settings.OPEN_REALM_CREATION is enabled, anyone can create a new realm,
|
|
# with a few restrictions on their email address.
|
|
if request.method == "POST":
|
|
form = RealmCreationForm(request.POST)
|
|
if form.is_valid():
|
|
try:
|
|
rate_limit_request_by_ip(request, domain="sends_email_by_ip")
|
|
except RateLimitedError as e:
|
|
assert e.secs_to_freedom is not None
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/portico_error_pages/rate_limit_exceeded.html",
|
|
context={"retry_after": int(e.secs_to_freedom)},
|
|
status=429,
|
|
)
|
|
|
|
email = form.cleaned_data["email"]
|
|
realm_name = form.cleaned_data["realm_name"]
|
|
realm_type = form.cleaned_data["realm_type"]
|
|
realm_default_language = form.cleaned_data["realm_default_language"]
|
|
realm_subdomain = form.cleaned_data["realm_subdomain"]
|
|
activation_url = prepare_realm_activation_url(
|
|
email,
|
|
request.session,
|
|
realm_name,
|
|
realm_subdomain,
|
|
realm_type,
|
|
realm_default_language,
|
|
)
|
|
if key_record is not None and key_record.presume_email_valid:
|
|
# The user has a token created from the server command line;
|
|
# skip confirming the email is theirs, taking their word for it.
|
|
# This is essential on first install if the admin hasn't stopped
|
|
# to configure outbound email up front, or it isn't working yet.
|
|
key_record.delete()
|
|
return HttpResponseRedirect(activation_url)
|
|
|
|
try:
|
|
send_confirm_registration_email(
|
|
email,
|
|
activation_url,
|
|
realm_subdomain=realm_subdomain,
|
|
realm_type=realm_type,
|
|
request=request,
|
|
)
|
|
except EmailNotDeliveredError:
|
|
logging.exception("Failed to deliver email during realm creation")
|
|
if settings.CORPORATE_ENABLED:
|
|
return server_error(request)
|
|
return config_error(request, "smtp")
|
|
|
|
if key_record is not None:
|
|
key_record.delete()
|
|
new_realm_send_confirm_url = reverse("new_realm_send_confirm")
|
|
query = urlencode(
|
|
{
|
|
"email": email,
|
|
"realm_name": realm_name,
|
|
"realm_type": realm_type,
|
|
"realm_default_language": realm_default_language,
|
|
"realm_subdomain": realm_subdomain,
|
|
}
|
|
)
|
|
url = append_url_query_string(new_realm_send_confirm_url, query)
|
|
return HttpResponseRedirect(url)
|
|
else:
|
|
default_language_code = get_browser_language_code(request)
|
|
if default_language_code is None:
|
|
default_language_code = "en"
|
|
|
|
initial_data = {
|
|
"realm_default_language": default_language_code,
|
|
}
|
|
form = RealmCreationForm(initial=initial_data)
|
|
|
|
context = get_realm_create_form_context()
|
|
context.update(
|
|
{
|
|
"form": form,
|
|
"current_url": request.get_full_path,
|
|
}
|
|
)
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/create_realm.html",
|
|
context=context,
|
|
)
|
|
|
|
|
|
@typed_endpoint
|
|
def signup_send_confirm(request: HttpRequest, *, email: str) -> HttpResponse:
|
|
try:
|
|
# Because we interpolate the email directly into the template
|
|
# from the query parameter, do a simple validation that it
|
|
# looks a at least a bit like an email address.
|
|
validators.validate_email(email)
|
|
except ValidationError:
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/invalid_email.html",
|
|
context={"invalid_email": True},
|
|
status=400,
|
|
)
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/accounts_send_confirm.html",
|
|
context={"email": email},
|
|
)
|
|
|
|
|
|
@add_google_analytics
|
|
@typed_endpoint
|
|
def new_realm_send_confirm(
|
|
request: HttpRequest,
|
|
*,
|
|
email: str,
|
|
realm_name: Annotated[str, StringConstraints(max_length=Realm.MAX_REALM_NAME_LENGTH)],
|
|
realm_type: Annotated[Json[int], check_int_in_validator(Realm.ORG_TYPE_IDS)],
|
|
realm_default_language: Annotated[str, StringConstraints(max_length=MAX_LANGUAGE_ID_LENGTH)],
|
|
realm_subdomain: Annotated[str, StringConstraints(max_length=Realm.MAX_REALM_SUBDOMAIN_LENGTH)],
|
|
) -> HttpResponse:
|
|
return TemplateResponse(
|
|
request,
|
|
"zerver/accounts_send_confirm.html",
|
|
context={
|
|
"email": email,
|
|
# Using "new_realm_name" key here since "realm_name" key is already present in
|
|
# the context provided by zulip_default_context and it is "None" during realm
|
|
# creation.
|
|
"new_realm_name": realm_name,
|
|
"realm_type": realm_type,
|
|
"realm_default_language": realm_default_language,
|
|
"realm_subdomain": realm_subdomain,
|
|
"realm_creation": True,
|
|
},
|
|
)
|
|
|
|
|
|
def accounts_home(
|
|
request: HttpRequest,
|
|
multiuse_object_key: str = "",
|
|
multiuse_object: MultiuseInvite | None = None,
|
|
) -> HttpResponse:
|
|
try:
|
|
realm = get_realm(get_subdomain(request))
|
|
except Realm.DoesNotExist:
|
|
return HttpResponseRedirect(reverse(find_account))
|
|
if realm.deactivated:
|
|
return redirect_to_deactivation_notice()
|
|
|
|
from_multiuse_invite = False
|
|
streams_to_subscribe = None
|
|
invited_as = None
|
|
include_realm_default_subscriptions = None
|
|
|
|
if multiuse_object:
|
|
# multiuse_object's realm should have been validated by the caller,
|
|
# so this code shouldn't be reachable with a multiuse_object which
|
|
# has its realm mismatching the realm of the request.
|
|
assert realm == multiuse_object.realm
|
|
|
|
streams_to_subscribe = multiuse_object.streams.all()
|
|
from_multiuse_invite = True
|
|
invited_as = multiuse_object.invited_as
|
|
include_realm_default_subscriptions = multiuse_object.include_realm_default_subscriptions
|
|
|
|
if request.method == "POST":
|
|
form = HomepageForm(
|
|
request.POST,
|
|
realm=realm,
|
|
from_multiuse_invite=from_multiuse_invite,
|
|
invited_as=invited_as,
|
|
)
|
|
if form.is_valid():
|
|
try:
|
|
rate_limit_request_by_ip(request, domain="sends_email_by_ip")
|
|
except RateLimitedError as e:
|
|
assert e.secs_to_freedom is not None
|
|
return render(
|
|
request,
|
|
"zerver/portico_error_pages/rate_limit_exceeded.html",
|
|
context={"retry_after": int(e.secs_to_freedom)},
|
|
status=429,
|
|
)
|
|
|
|
email = form.cleaned_data["email"]
|
|
|
|
try:
|
|
validate_email_not_already_in_realm(realm, email)
|
|
except ValidationError:
|
|
return redirect_to_email_login_url(email)
|
|
|
|
activation_url = prepare_activation_url(
|
|
email,
|
|
request.session,
|
|
realm=realm,
|
|
streams=streams_to_subscribe,
|
|
invited_as=invited_as,
|
|
include_realm_default_subscriptions=include_realm_default_subscriptions,
|
|
multiuse_invite=multiuse_object,
|
|
)
|
|
try:
|
|
send_confirm_registration_email(email, activation_url, request=request, realm=realm)
|
|
except EmailNotDeliveredError:
|
|
logging.exception("Failed to deliver email during user registration")
|
|
if settings.CORPORATE_ENABLED:
|
|
return server_error(request)
|
|
return config_error(request, "smtp")
|
|
signup_send_confirm_url = reverse("signup_send_confirm")
|
|
query = urlencode({"email": email})
|
|
url = append_url_query_string(signup_send_confirm_url, query)
|
|
return HttpResponseRedirect(url)
|
|
|
|
else:
|
|
form = HomepageForm(realm=realm)
|
|
context = login_context(request)
|
|
context.update(
|
|
form=form,
|
|
current_url=request.get_full_path,
|
|
multiuse_object_key=multiuse_object_key,
|
|
from_multiuse_invite=from_multiuse_invite,
|
|
)
|
|
return render(request, "zerver/accounts_home.html", context=context)
|
|
|
|
|
|
def accounts_home_from_multiuse_invite(request: HttpRequest, confirmation_key: str) -> HttpResponse:
|
|
realm = get_realm_from_request(request)
|
|
multiuse_object: MultiuseInvite | None = None
|
|
try:
|
|
confirmation_obj = get_object_from_key(
|
|
confirmation_key, [Confirmation.MULTIUSE_INVITE], mark_object_used=False
|
|
)
|
|
assert isinstance(confirmation_obj, MultiuseInvite)
|
|
multiuse_object = confirmation_obj
|
|
if realm != multiuse_object.realm:
|
|
return render(request, "confirmation/link_does_not_exist.html", status=404)
|
|
# Required for OAuth 2
|
|
except ConfirmationKeyError as exception:
|
|
if realm is None or realm.invite_required:
|
|
return render_confirmation_key_error(request, exception)
|
|
return accounts_home(
|
|
request, multiuse_object_key=confirmation_key, multiuse_object=multiuse_object
|
|
)
|
|
|
|
|
|
@typed_endpoint_without_parameters
|
|
def find_account(request: HttpRequest) -> HttpResponse:
|
|
url = reverse("find_account")
|
|
form = FindMyTeamForm()
|
|
emails: list[str] = []
|
|
if request.method == "POST":
|
|
form = FindMyTeamForm(request.POST)
|
|
if form.is_valid():
|
|
# Note: Show all the emails in the POST request response
|
|
# otherwise this feature can be used to ascertain which
|
|
# email addresses are associated with Zulip.
|
|
emails = form.cleaned_data["emails"]
|
|
for i in range(len(emails)):
|
|
try:
|
|
rate_limit_request_by_ip(request, domain="sends_email_by_ip")
|
|
except RateLimitedError as e:
|
|
assert e.secs_to_freedom is not None
|
|
return render(
|
|
request,
|
|
"zerver/portico_error_pages/rate_limit_exceeded.html",
|
|
context={"retry_after": int(e.secs_to_freedom)},
|
|
status=429,
|
|
)
|
|
|
|
# Django doesn't support __iexact__in lookup with EmailField, so we have
|
|
# to use Qs to get around that without needing to do multiple queries.
|
|
emails_q = Q()
|
|
for email in emails:
|
|
emails_q |= Q(delivery_email__iexact=email)
|
|
|
|
user_profiles = UserProfile.objects.filter(
|
|
emails_q, is_active=True, is_bot=False, realm__deactivated=False
|
|
)
|
|
|
|
# We organize the data in preparation for sending exactly
|
|
# one outgoing email per provided email address, with each
|
|
# email listing all of the accounts that email address has
|
|
# with the current Zulip server.
|
|
emails_account_found: set[str] = set()
|
|
context: dict[str, dict[str, Any]] = {}
|
|
for user in user_profiles:
|
|
key = user.delivery_email.lower()
|
|
context.setdefault(key, {})
|
|
context[key].setdefault("realms", [])
|
|
context[key]["realms"].append(user.realm)
|
|
# This value will end up being the last user ID among
|
|
# matching accounts; since it's only used for minor
|
|
# details like language, that arbitrary choice is OK.
|
|
context[key]["to_user_id"] = user.id
|
|
emails_account_found.add(user.delivery_email)
|
|
|
|
# Links in find_team emails use the server's information
|
|
# and not any particular realm's information.
|
|
external_host_base_url = f"{settings.EXTERNAL_URI_SCHEME}{settings.EXTERNAL_HOST}"
|
|
help_base_url = f"{external_host_base_url}/help"
|
|
help_reset_password_link = (
|
|
f"{help_base_url}/change-your-password#if-youve-forgotten-or-never-had-a-password"
|
|
)
|
|
help_logging_in_link = f"{help_base_url}/logging-in#find-the-zulip-log-in-url"
|
|
find_accounts_link = f"{external_host_base_url}/accounts/find/"
|
|
|
|
for delivery_email, realm_context in context.items():
|
|
send_email(
|
|
"zerver/emails/find_team",
|
|
to_user_ids=[realm_context["to_user_id"]],
|
|
context={
|
|
"account_found": True,
|
|
"external_host": settings.EXTERNAL_HOST,
|
|
"corporate_enabled": settings.CORPORATE_ENABLED,
|
|
"help_reset_password_link": help_reset_password_link,
|
|
"realms": realm_context["realms"],
|
|
"email": delivery_email,
|
|
},
|
|
from_address=FromAddress.SUPPORT,
|
|
request=request,
|
|
)
|
|
|
|
emails_lower_with_account = {email.lower() for email in emails_account_found}
|
|
emails_without_account: set[str] = {
|
|
email for email in emails if email.lower() not in emails_lower_with_account
|
|
}
|
|
if emails_without_account:
|
|
send_email(
|
|
"zerver/emails/find_team",
|
|
to_emails=list(emails_without_account),
|
|
context=(
|
|
{
|
|
"account_found": False,
|
|
"external_host": settings.EXTERNAL_HOST,
|
|
"corporate_enabled": settings.CORPORATE_ENABLED,
|
|
"find_accounts_link": find_accounts_link,
|
|
"help_logging_in_link": help_logging_in_link,
|
|
}
|
|
),
|
|
from_address=FromAddress.SUPPORT,
|
|
request=request,
|
|
)
|
|
return render(
|
|
request,
|
|
"zerver/find_account.html",
|
|
context={"form": form, "current_url": url, "emails": emails},
|
|
)
|
|
|
|
|
|
@typed_endpoint
|
|
def realm_redirect(request: HttpRequest, *, next: str = "") -> HttpResponse:
|
|
if request.method == "POST":
|
|
form = RealmRedirectForm(request.POST)
|
|
if form.is_valid():
|
|
subdomain = form.cleaned_data["subdomain"]
|
|
realm = get_realm(subdomain)
|
|
redirect_to = urljoin(realm.url, settings.HOME_NOT_LOGGED_IN)
|
|
|
|
if next:
|
|
redirect_to = append_url_query_string(
|
|
redirect_to, urlencode({REDIRECT_FIELD_NAME: next})
|
|
)
|
|
|
|
return HttpResponseRedirect(redirect_to)
|
|
else:
|
|
form = RealmRedirectForm()
|
|
|
|
return render(request, "zerver/realm_redirect.html", context={"form": form})
|