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zulip/zerver/views/users.py

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from typing import Union, Optional, Dict, Any, List
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from django.shortcuts import redirect
from django.conf import settings
from zerver.decorator import require_realm_admin, require_member_or_admin
from zerver.forms import CreateUserForm, PASSWORD_TOO_WEAK_ERROR
from zerver.lib.actions import do_change_avatar_fields, do_change_bot_owner, \
do_change_is_admin, do_change_default_all_public_streams, \
do_change_default_events_register_stream, do_change_default_sending_stream, \
do_create_user, do_deactivate_user, do_reactivate_user, do_regenerate_api_key, \
check_change_full_name, notify_created_bot, do_update_outgoing_webhook_service, \
do_update_bot_config_data, check_change_bot_full_name, do_change_is_guest, \
do_update_user_custom_profile_data_if_changed, check_remove_custom_profile_field_value
from zerver.lib.avatar import avatar_url, get_gravatar_url
from zerver.lib.bot_config import set_bot_config
from zerver.lib.email_validation import email_allowed_for_realm
from zerver.lib.exceptions import CannotDeactivateLastUserError
from zerver.lib.integrations import EMBEDDED_BOTS
from zerver.lib.request import has_request_variables, REQ
from zerver.lib.response import json_error, json_success
from zerver.lib.streams import access_stream_by_name
from zerver.lib.upload import upload_avatar_image
from zerver.lib.validator import check_bool, check_string, check_int, check_url, check_dict, check_list
from zerver.lib.url_encoding import add_query_arg_to_redirect_url
from zerver.lib.users import check_valid_bot_type, check_bot_creation_policy, \
check_full_name, check_short_name, check_valid_interface_type, check_valid_bot_config, \
access_bot_by_id, add_service, access_user_by_id, check_bot_name_available, \
validate_user_custom_profile_data, get_raw_user_data, get_api_key
from zerver.lib.utils import generate_api_key, generate_random_token
from zerver.models import UserProfile, Stream, Message, \
get_user_by_delivery_email, Service, get_user_including_cross_realm, \
DomainNotAllowedForRealmError, DisposableEmailError, get_user_profile_by_id_in_realm, \
EmailContainsPlusError, get_user_by_id_in_realm_including_cross_realm, Realm, \
InvalidFakeEmailDomain
from zproject.backends import check_password_strength
def deactivate_user_backend(request: HttpRequest, user_profile: UserProfile,
user_id: int) -> HttpResponse:
target = access_user_by_id(user_profile, user_id)
if check_last_admin(target):
return json_error(_('Cannot deactivate the only organization administrator'))
return _deactivate_user_profile_backend(request, user_profile, target)
def deactivate_user_own_backend(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
if UserProfile.objects.filter(realm=user_profile.realm, is_active=True).count() == 1:
raise CannotDeactivateLastUserError(is_last_admin=False)
if user_profile.is_realm_admin and check_last_admin(user_profile):
raise CannotDeactivateLastUserError(is_last_admin=True)
do_deactivate_user(user_profile, acting_user=user_profile)
return json_success()
def check_last_admin(user_profile: UserProfile) -> bool:
admins = set(user_profile.realm.get_human_admin_users())
return user_profile.is_realm_admin and not user_profile.is_bot and len(admins) == 1
def deactivate_bot_backend(request: HttpRequest, user_profile: UserProfile,
bot_id: int) -> HttpResponse:
target = access_bot_by_id(user_profile, bot_id)
return _deactivate_user_profile_backend(request, user_profile, target)
def _deactivate_user_profile_backend(request: HttpRequest, user_profile: UserProfile,
target: UserProfile) -> HttpResponse:
do_deactivate_user(target, acting_user=user_profile)
return json_success()
def reactivate_user_backend(request: HttpRequest, user_profile: UserProfile,
user_id: int) -> HttpResponse:
target = access_user_by_id(user_profile, user_id, allow_deactivated=True, allow_bots=True)
if target.is_bot:
assert target.bot_type is not None
check_bot_creation_policy(user_profile, target.bot_type)
do_reactivate_user(target, acting_user=user_profile)
return json_success()
@has_request_variables
def update_user_backend(request: HttpRequest, user_profile: UserProfile, user_id: int,
full_name: Optional[str]=REQ(default="", validator=check_string),
is_admin: Optional[bool]=REQ(default=None, validator=check_bool),
is_guest: Optional[bool]=REQ(default=None, validator=check_bool),
profile_data: Optional[List[Dict[str, Union[int, str, List[int]]]]]=
REQ(default=None,
validator=check_list(check_dict([('id', check_int)])))) -> HttpResponse:
target = access_user_by_id(user_profile, user_id, allow_deactivated=True, allow_bots=True)
# Historically, UserProfile had two fields, is_guest and is_realm_admin.
# This condition protected against situations where update_user_backend
# could cause both is_guest and is_realm_admin to be set.
# Once we update the frontend to just send a 'role' value, we can remove this check.
if (((is_guest is None and target.is_guest) or is_guest) and
((is_admin is None and target.is_realm_admin) or is_admin)):
return json_error(_("Guests cannot be organization administrators"))
if is_admin is not None and target.is_realm_admin != is_admin:
if not is_admin and check_last_admin(user_profile):
return json_error(_('Cannot remove the only organization administrator'))
do_change_is_admin(target, is_admin)
if is_guest is not None and target.is_guest != is_guest:
do_change_is_guest(target, is_guest)
if (full_name is not None and target.full_name != full_name and
full_name.strip() != ""):
# We don't respect `name_changes_disabled` here because the request
# is on behalf of the administrator.
check_change_full_name(target, full_name, user_profile)
if profile_data is not None:
clean_profile_data = []
for entry in profile_data:
if not entry["value"]:
field_id = entry["id"]
check_remove_custom_profile_field_value(target, field_id)
else:
clean_profile_data.append(entry)
validate_user_custom_profile_data(target.realm.id, clean_profile_data)
do_update_user_custom_profile_data_if_changed(target, clean_profile_data)
return json_success()
def avatar(request: HttpRequest, user_profile: UserProfile,
email_or_id: str, medium: bool=False) -> HttpResponse:
"""Accepts an email address or user ID and returns the avatar"""
is_email = False
try:
int(email_or_id)
except ValueError:
is_email = True
try:
realm = user_profile.realm
if is_email:
avatar_user_profile = get_user_including_cross_realm(email_or_id, realm)
else:
avatar_user_profile = get_user_by_id_in_realm_including_cross_realm(int(email_or_id), realm)
# If there is a valid user account passed in, use its avatar
url = avatar_url(avatar_user_profile, medium=medium)
except UserProfile.DoesNotExist:
# If there is no such user, treat it as a new gravatar
email = email_or_id
avatar_version = 1
url = get_gravatar_url(email, avatar_version, medium)
# We can rely on the url already having query parameters. Because
# our templates depend on being able to use the ampersand to
# add query parameters to our url, get_avatar_url does '?x=x'
# hacks to prevent us from having to jump through decode/encode hoops.
assert url is not None
url = add_query_arg_to_redirect_url(url, request.META['QUERY_STRING'])
return redirect(url)
def get_stream_name(stream: Optional[Stream]) -> Optional[str]:
if stream:
return stream.name
return None
@require_member_or_admin
@has_request_variables
def patch_bot_backend(
request: HttpRequest, user_profile: UserProfile, bot_id: int,
full_name: Optional[str]=REQ(default=None),
bot_owner_id: Optional[int]=REQ(validator=check_int, default=None),
config_data: Optional[Dict[str, str]]=REQ(default=None,
validator=check_dict(value_validator=check_string)),
service_payload_url: Optional[str]=REQ(validator=check_url, default=None),
service_interface: Optional[int]=REQ(validator=check_int, default=1),
default_sending_stream: Optional[str]=REQ(default=None),
default_events_register_stream: Optional[str]=REQ(default=None),
default_all_public_streams: Optional[bool]=REQ(default=None, validator=check_bool)
) -> HttpResponse:
bot = access_bot_by_id(user_profile, bot_id)
if full_name is not None:
check_change_bot_full_name(bot, full_name, user_profile)
if bot_owner_id is not None:
try:
owner = get_user_profile_by_id_in_realm(bot_owner_id, user_profile.realm)
except UserProfile.DoesNotExist:
return json_error(_('Failed to change owner, no such user'))
if not owner.is_active:
return json_error(_('Failed to change owner, user is deactivated'))
if owner.is_bot:
return json_error(_("Failed to change owner, bots can't own other bots"))
previous_owner = bot.bot_owner
if previous_owner != owner:
do_change_bot_owner(bot, owner, user_profile)
if default_sending_stream is not None:
if default_sending_stream == "":
stream = None # type: Optional[Stream]
else:
(stream, recipient, sub) = access_stream_by_name(
user_profile, default_sending_stream)
do_change_default_sending_stream(bot, stream)
if default_events_register_stream is not None:
if default_events_register_stream == "":
stream = None
else:
(stream, recipient, sub) = access_stream_by_name(
user_profile, default_events_register_stream)
do_change_default_events_register_stream(bot, stream)
if default_all_public_streams is not None:
do_change_default_all_public_streams(bot, default_all_public_streams)
if service_payload_url is not None:
check_valid_interface_type(service_interface)
assert service_interface is not None
do_update_outgoing_webhook_service(bot, service_interface, service_payload_url)
if config_data is not None:
do_update_bot_config_data(bot, config_data)
if len(request.FILES) == 0:
pass
elif len(request.FILES) == 1:
user_file = list(request.FILES.values())[0]
upload_avatar_image(user_file, user_profile, bot)
avatar_source = UserProfile.AVATAR_FROM_USER
do_change_avatar_fields(bot, avatar_source)
else:
return json_error(_("You may only upload one file at a time"))
json_result = dict(
full_name=bot.full_name,
avatar_url=avatar_url(bot),
service_interface = service_interface,
service_payload_url = service_payload_url,
config_data = config_data,
default_sending_stream=get_stream_name(bot.default_sending_stream),
default_events_register_stream=get_stream_name(bot.default_events_register_stream),
default_all_public_streams=bot.default_all_public_streams,
)
# Don't include the bot owner in case it is not set.
# Default bots have no owner.
if bot.bot_owner is not None:
json_result['bot_owner'] = bot.bot_owner.email
return json_success(json_result)
@require_member_or_admin
@has_request_variables
def regenerate_bot_api_key(request: HttpRequest, user_profile: UserProfile, bot_id: int) -> HttpResponse:
bot = access_bot_by_id(user_profile, bot_id)
new_api_key = do_regenerate_api_key(bot, user_profile)
json_result = dict(
api_key=new_api_key
)
return json_success(json_result)
@require_member_or_admin
@has_request_variables
def add_bot_backend(
request: HttpRequest, user_profile: UserProfile,
full_name_raw: str=REQ("full_name"), short_name_raw: str=REQ("short_name"),
bot_type: int=REQ(validator=check_int, default=UserProfile.DEFAULT_BOT),
payload_url: Optional[str]=REQ(validator=check_url, default=""),
service_name: Optional[str]=REQ(default=None),
config_data: Dict[str, str]=REQ(default={},
validator=check_dict(value_validator=check_string)),
interface_type: int=REQ(validator=check_int, default=Service.GENERIC),
default_sending_stream_name: Optional[str]=REQ('default_sending_stream', default=None),
default_events_register_stream_name: Optional[str]=REQ('default_events_register_stream',
default=None),
default_all_public_streams: Optional[bool]=REQ(validator=check_bool, default=None)
) -> HttpResponse:
short_name = check_short_name(short_name_raw)
if bot_type != UserProfile.INCOMING_WEBHOOK_BOT:
service_name = service_name or short_name
short_name += "-bot"
full_name = check_full_name(full_name_raw)
try:
email = '%s@%s' % (short_name, user_profile.realm.get_bot_domain())
except InvalidFakeEmailDomain:
return json_error(_("Can't create bots until FAKE_EMAIL_DOMAIN is correctly configured.\n"
"Please contact your server administrator."))
form = CreateUserForm({'full_name': full_name, 'email': email})
if bot_type == UserProfile.EMBEDDED_BOT:
if not settings.EMBEDDED_BOTS_ENABLED:
return json_error(_("Embedded bots are not enabled."))
if service_name not in [bot.name for bot in EMBEDDED_BOTS]:
return json_error(_("Invalid embedded bot name."))
if not form.is_valid():
# We validate client-side as well
return json_error(_('Bad name or username'))
try:
get_user_by_delivery_email(email, user_profile.realm)
return json_error(_("Username already in use"))
except UserProfile.DoesNotExist:
pass
check_bot_name_available(
realm_id=user_profile.realm_id,
full_name=full_name,
)
check_bot_creation_policy(user_profile, bot_type)
check_valid_bot_type(user_profile, bot_type)
check_valid_interface_type(interface_type)
if len(request.FILES) == 0:
avatar_source = UserProfile.AVATAR_FROM_GRAVATAR
elif len(request.FILES) != 1:
return json_error(_("You may only upload one file at a time"))
else:
avatar_source = UserProfile.AVATAR_FROM_USER
default_sending_stream = None
if default_sending_stream_name is not None:
(default_sending_stream, ignored_rec, ignored_sub) = access_stream_by_name(
user_profile, default_sending_stream_name)
default_events_register_stream = None
if default_events_register_stream_name is not None:
(default_events_register_stream, ignored_rec, ignored_sub) = access_stream_by_name(
user_profile, default_events_register_stream_name)
if bot_type in (UserProfile.INCOMING_WEBHOOK_BOT, UserProfile.EMBEDDED_BOT) and service_name:
check_valid_bot_config(bot_type, service_name, config_data)
bot_profile = do_create_user(email=email, password=None,
realm=user_profile.realm, full_name=full_name,
short_name=short_name,
bot_type=bot_type,
bot_owner=user_profile,
avatar_source=avatar_source,
default_sending_stream=default_sending_stream,
default_events_register_stream=default_events_register_stream,
default_all_public_streams=default_all_public_streams)
if len(request.FILES) == 1:
user_file = list(request.FILES.values())[0]
upload_avatar_image(user_file, user_profile, bot_profile)
if bot_type in (UserProfile.OUTGOING_WEBHOOK_BOT, UserProfile.EMBEDDED_BOT):
assert(isinstance(service_name, str))
add_service(name=service_name,
user_profile=bot_profile,
base_url=payload_url,
interface=interface_type,
token=generate_api_key())
if bot_type == UserProfile.INCOMING_WEBHOOK_BOT and service_name:
set_bot_config(bot_profile, "integration_id", service_name)
if bot_type in (UserProfile.INCOMING_WEBHOOK_BOT, UserProfile.EMBEDDED_BOT):
for key, value in config_data.items():
set_bot_config(bot_profile, key, value)
notify_created_bot(bot_profile)
api_key = get_api_key(bot_profile)
json_result = dict(
api_key=api_key,
avatar_url=avatar_url(bot_profile),
default_sending_stream=get_stream_name(bot_profile.default_sending_stream),
default_events_register_stream=get_stream_name(bot_profile.default_events_register_stream),
default_all_public_streams=bot_profile.default_all_public_streams,
)
return json_success(json_result)
@require_member_or_admin
def get_bots_backend(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
bot_profiles = UserProfile.objects.filter(is_bot=True, is_active=True,
bot_owner=user_profile)
bot_profiles = bot_profiles.select_related('default_sending_stream', 'default_events_register_stream')
bot_profiles = bot_profiles.order_by('date_joined')
def bot_info(bot_profile: UserProfile) -> Dict[str, Any]:
default_sending_stream = get_stream_name(bot_profile.default_sending_stream)
default_events_register_stream = get_stream_name(bot_profile.default_events_register_stream)
# Bots are supposed to have only one API key, at least for now.
# Therefore we can safely asume that one and only valid API key will be
# the first one.
api_key = get_api_key(bot_profile)
return dict(
username=bot_profile.email,
full_name=bot_profile.full_name,
api_key=api_key,
avatar_url=avatar_url(bot_profile),
default_sending_stream=default_sending_stream,
default_events_register_stream=default_events_register_stream,
default_all_public_streams=bot_profile.default_all_public_streams,
)
return json_success({'bots': list(map(bot_info, bot_profiles))})
@has_request_variables
def get_members_backend(request: HttpRequest, user_profile: UserProfile, user_id: Optional[int]=None,
include_custom_profile_fields: bool=REQ(validator=check_bool,
default=False),
client_gravatar: bool=REQ(validator=check_bool, default=False)
) -> HttpResponse:
'''
The client_gravatar field here is set to True if clients can compute
their own gravatars, which saves us bandwidth. We want to eventually
make this the default behavior, but we have old clients that expect
the server to compute this for us.
'''
realm = user_profile.realm
if realm.email_address_visibility != Realm.EMAIL_ADDRESS_VISIBILITY_EVERYONE:
# If email addresses are only available to administrators,
# clients cannot compute gravatars, so we force-set it to false.
client_gravatar = False
target_user = None
if user_id is not None:
target_user = access_user_by_id(user_profile, user_id, allow_deactivated=True,
read_only=True)
members = get_raw_user_data(realm, user_profile, client_gravatar=client_gravatar,
target_user=target_user,
include_custom_profile_fields=include_custom_profile_fields)
if target_user is not None:
data = {"user": members[target_user.id]} # type: Dict[str, Any]
else:
data = {"members": [members[k] for k in members]}
return json_success(data)
@require_realm_admin
@has_request_variables
def create_user_backend(request: HttpRequest, user_profile: UserProfile,
email: str=REQ(), password: str=REQ(), full_name_raw: str=REQ("full_name"),
short_name: str=REQ()) -> HttpResponse:
full_name = check_full_name(full_name_raw)
form = CreateUserForm({'full_name': full_name, 'email': email})
if not form.is_valid():
return json_error(_('Bad name or username'))
# Check that the new user's email address belongs to the admin's realm
# (Since this is an admin API, we don't require the user to have been
# invited first.)
realm = user_profile.realm
try:
email_allowed_for_realm(email, user_profile.realm)
except DomainNotAllowedForRealmError:
return json_error(_("Email '%(email)s' not allowed in this organization") %
{'email': email})
except DisposableEmailError:
return json_error(_("Disposable email addresses are not allowed in this organization"))
except EmailContainsPlusError:
return json_error(_("Email addresses containing + are not allowed."))
try:
get_user_by_delivery_email(email, user_profile.realm)
return json_error(_("Email '%s' already in use") % (email,))
except UserProfile.DoesNotExist:
pass
if not check_password_strength(password):
return json_error(PASSWORD_TOO_WEAK_ERROR)
do_create_user(email, password, realm, full_name, short_name)
return json_success()
def generate_client_id() -> str:
return generate_random_token(32)
def get_profile_backend(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
result = dict(pointer = user_profile.pointer,
client_id = generate_client_id(),
max_message_id = -1,
user_id = user_profile.id,
avatar_url = avatar_url(user_profile),
full_name = user_profile.full_name,
email = user_profile.email,
is_bot = user_profile.is_bot,
is_admin = user_profile.is_realm_admin,
short_name = user_profile.short_name)
if not user_profile.is_bot:
custom_profile_field_values = user_profile.customprofilefieldvalue_set.all()
profile_data = dict() # type: Dict[int, Dict[str, Any]]
for profile_field in custom_profile_field_values:
if profile_field.field.is_renderable():
profile_data[profile_field.field_id] = {
"value": profile_field.value,
"rendered_value": profile_field.rendered_value
}
else:
profile_data[profile_field.field_id] = {
"value": profile_field.value
}
result["profile_data"] = profile_data
messages = Message.objects.filter(usermessage__user_profile=user_profile).order_by('-id')[:1]
if messages:
result['max_message_id'] = messages[0].id
return json_success(result)
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