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