zulip/zerver/lib/users.py

122 lines
5.2 KiB
Python

from typing import Dict, List, Optional, Text
from django.db.models.query import QuerySet
from django.utils.translation import ugettext as _
from zerver.lib.cache import generic_bulk_cached_fetch, user_profile_cache_key_id
from zerver.lib.request import JsonableError
from zerver.models import UserProfile, Service, Realm, \
get_user_profile_by_id
from zulip_bots.custom_exceptions import ConfigValidationError
def check_full_name(full_name_raw: Text) -> Text:
full_name = full_name_raw.strip()
if len(full_name) > UserProfile.MAX_NAME_LENGTH:
raise JsonableError(_("Name too long!"))
if len(full_name) < UserProfile.MIN_NAME_LENGTH:
raise JsonableError(_("Name too short!"))
if list(set(full_name).intersection(UserProfile.NAME_INVALID_CHARS)):
raise JsonableError(_("Invalid characters in name!"))
return full_name
def check_short_name(short_name_raw: Text) -> Text:
short_name = short_name_raw.strip()
if len(short_name) == 0:
raise JsonableError(_("Bad name or username"))
return short_name
def check_valid_bot_config(service_name: str, config_data: Dict[str, str]) -> None:
try:
from zerver.lib.bot_lib import get_bot_handler
bot_handler = get_bot_handler(service_name)
if hasattr(bot_handler, 'validate_config'):
bot_handler.validate_config(config_data)
except ConfigValidationError:
# The exception provides a specific error message, but that
# message is not tagged translatable, because it is
# triggered in the external zulip_bots package.
# TODO: Think of some clever way to provide a more specific
# error message.
raise JsonableError(_("Invalid configuration data!"))
def check_bot_creation_policy(user_profile: UserProfile, bot_type: int) -> None:
# Realm administrators can always add bot
if user_profile.is_realm_admin:
return
if user_profile.realm.bot_creation_policy == Realm.BOT_CREATION_EVERYONE:
return
if user_profile.realm.bot_creation_policy == Realm.BOT_CREATION_ADMINS_ONLY:
raise JsonableError(_("Must be an organization administrator"))
if user_profile.realm.bot_creation_policy == Realm.BOT_CREATION_LIMIT_GENERIC_BOTS and \
bot_type == UserProfile.DEFAULT_BOT:
raise JsonableError(_("Must be an organization administrator"))
def check_valid_bot_type(user_profile: UserProfile, bot_type: int) -> None:
if bot_type not in user_profile.allowed_bot_types:
raise JsonableError(_('Invalid bot type'))
def check_valid_interface_type(interface_type: int) -> None:
if interface_type not in Service.ALLOWED_INTERFACE_TYPES:
raise JsonableError(_('Invalid interface type'))
def bulk_get_users(emails: List[str], realm: Optional[Realm],
base_query: 'QuerySet[UserProfile]'=None) -> Dict[str, UserProfile]:
if base_query is None:
assert realm is not None
query = UserProfile.objects.filter(realm=realm, is_active=True)
realm_id = realm.id
else:
# WARNING: Currently, this code path only really supports one
# version of `base_query` being used (because otherwise,
# they'll share the cache, which can screw up the filtering).
# If you're using this flow, you'll need to re-do any filters
# in base_query in the code itself; base_query is just a perf
# optimization.
query = base_query
realm_id = 0
def fetch_users_by_email(emails: List[str]) -> List[UserProfile]:
# This should be just
#
# UserProfile.objects.select_related("realm").filter(email__iexact__in=emails,
# realm=realm)
#
# But chaining __in and __iexact doesn't work with Django's
# ORM, so we have the following hack to construct the relevant where clause
if len(emails) == 0:
return []
upper_list = ", ".join(["UPPER(%s)"] * len(emails))
where_clause = "UPPER(zerver_userprofile.email::text) IN (%s)" % (upper_list,)
return query.select_related("realm").extra(
where=[where_clause],
params=emails)
return generic_bulk_cached_fetch(
# Use a separate cache key to protect us from conflicts with
# the get_user cache.
lambda email: 'bulk_get_users:' + user_profile_cache_key_id(email, realm_id),
fetch_users_by_email,
[email.lower() for email in emails],
id_fetcher=lambda user_profile: user_profile.email.lower()
)
def user_ids_to_users(user_ids: List[int], realm: Realm) -> List[UserProfile]:
# TODO: Change this to do a single bulk query with
# generic_bulk_cached_fetch; it'll be faster.
#
# TODO: Consider adding a flag to control whether deactivated
# users should be included.
user_profiles = []
for user_id in user_ids:
try:
user_profile = get_user_profile_by_id(user_id)
except UserProfile.DoesNotExist:
raise JsonableError(_("Invalid user ID: %s" % (user_id,)))
if user_profile.realm != realm:
raise JsonableError(_("Invalid user ID: %s" % (user_id,)))
user_profiles.append(user_profile)
return user_profiles