mirror of https://github.com/zulip/zulip.git
520 lines
24 KiB
Python
520 lines
24 KiB
Python
from __future__ import absolute_import
|
|
from typing import Any, Optional, Tuple, List, Set, Iterable, Mapping, Callable
|
|
|
|
from django.utils.translation import ugettext as _
|
|
from django.conf import settings
|
|
from django.db import transaction
|
|
from django.http import HttpRequest, HttpResponse
|
|
|
|
from zerver.lib.request import JsonableError, REQ, has_request_variables
|
|
from zerver.decorator import authenticated_json_post_view, \
|
|
authenticated_json_view, \
|
|
get_user_profile_by_email, require_realm_admin
|
|
from zerver.lib.actions import bulk_remove_subscriptions, \
|
|
do_change_subscription_property, internal_prep_message, \
|
|
create_stream_if_needed, gather_subscriptions, subscribed_to_stream, \
|
|
bulk_add_subscriptions, do_send_messages, get_subscriber_emails, do_rename_stream, \
|
|
do_deactivate_stream, do_make_stream_public, do_add_default_stream, \
|
|
do_change_stream_description, do_get_streams, do_make_stream_private, \
|
|
do_remove_default_stream
|
|
from zerver.lib.response import json_success, json_error, json_response
|
|
from zerver.lib.validator import check_string, check_list, check_dict, \
|
|
check_bool, check_variable_type
|
|
from zerver.models import UserProfile, Stream, Subscription, \
|
|
Recipient, get_recipient, get_stream, bulk_get_streams, \
|
|
bulk_get_recipients, valid_stream_name, get_active_user_dicts_in_realm
|
|
|
|
from collections import defaultdict
|
|
import ujson
|
|
from six.moves import urllib
|
|
|
|
import six
|
|
from six import text_type
|
|
|
|
def list_to_streams(streams_raw, user_profile, autocreate=False, invite_only=False):
|
|
# type: (Iterable[text_type], UserProfile, Optional[bool], Optional[bool]) -> Tuple[List[Stream], List[Stream]]
|
|
"""Converts plaintext stream names to a list of Streams, validating input in the process
|
|
|
|
For each stream name, we validate it to ensure it meets our
|
|
requirements for a proper stream name: that is, that it is shorter
|
|
than Stream.MAX_NAME_LENGTH characters and passes
|
|
valid_stream_name.
|
|
|
|
This function in autocreate mode should be atomic: either an exception will be raised
|
|
during a precheck, or all the streams specified will have been created if applicable.
|
|
|
|
@param streams_raw The list of stream names to process
|
|
@param user_profile The user for whom we are retreiving the streams
|
|
@param autocreate Whether we should create streams if they don't already exist
|
|
@param invite_only Whether newly created streams should have the invite_only bit set
|
|
"""
|
|
existing_streams = []
|
|
created_streams = []
|
|
# Validate all streams, getting extant ones, then get-or-creating the rest.
|
|
stream_set = set(stream_name.strip() for stream_name in streams_raw)
|
|
rejects = []
|
|
for stream_name in stream_set:
|
|
if len(stream_name) > Stream.MAX_NAME_LENGTH:
|
|
raise JsonableError(_("Stream name (%s) too long.") % (stream_name,))
|
|
if not valid_stream_name(stream_name):
|
|
raise JsonableError(_("Invalid stream name (%s).") % (stream_name,))
|
|
|
|
existing_stream_map = bulk_get_streams(user_profile.realm, stream_set)
|
|
|
|
for stream_name in stream_set:
|
|
stream = existing_stream_map.get(stream_name.lower())
|
|
if stream is None:
|
|
rejects.append(stream_name)
|
|
else:
|
|
existing_streams.append(stream)
|
|
if rejects:
|
|
if not user_profile.can_create_streams():
|
|
raise JsonableError(_('User cannot create streams.'))
|
|
elif not autocreate:
|
|
raise JsonableError(_("Stream(s) (%s) do not exist") % ", ".join(rejects))
|
|
|
|
for stream_name in rejects:
|
|
stream, created = create_stream_if_needed(user_profile.realm,
|
|
stream_name,
|
|
invite_only=invite_only)
|
|
if created:
|
|
created_streams.append(stream)
|
|
else:
|
|
# We already checked for existing streams above; this
|
|
# next line is present to handle races where a stream
|
|
# was created while this function was executing.
|
|
existing_streams.append(stream)
|
|
|
|
return existing_streams, created_streams
|
|
|
|
class PrincipalError(JsonableError):
|
|
def __init__(self, principal, status_code=403):
|
|
self.principal = principal # type: text_type
|
|
self.status_code = status_code # type: int
|
|
|
|
def to_json_error_msg(self):
|
|
return ("User not authorized to execute queries on behalf of '%s'"
|
|
% (self.principal,))
|
|
|
|
def principal_to_user_profile(agent, principal):
|
|
# type: (UserProfile, text_type) -> UserProfile
|
|
principal_doesnt_exist = False
|
|
try:
|
|
principal_user_profile = get_user_profile_by_email(principal)
|
|
except UserProfile.DoesNotExist:
|
|
principal_doesnt_exist = True
|
|
|
|
if (principal_doesnt_exist
|
|
or agent.realm != principal_user_profile.realm):
|
|
# We have to make sure we don't leak information about which users
|
|
# are registered for Zulip in a different realm. We could do
|
|
# something a little more clever and check the domain part of the
|
|
# principal to maybe give a better error message
|
|
raise PrincipalError(principal)
|
|
|
|
return principal_user_profile
|
|
|
|
@require_realm_admin
|
|
def deactivate_stream_backend(request, user_profile, stream_name):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
target = get_stream(stream_name, user_profile.realm)
|
|
if not target:
|
|
return json_error(_('No such stream name'))
|
|
|
|
if target.invite_only and not subscribed_to_stream(user_profile, target):
|
|
return json_error(_('Cannot administer invite-only streams this way'))
|
|
|
|
do_deactivate_stream(target)
|
|
return json_success({})
|
|
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def add_default_stream(request, user_profile, stream_name=REQ()):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
do_add_default_stream(user_profile.realm, stream_name)
|
|
return json_success()
|
|
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def remove_default_stream(request, user_profile, stream_name=REQ()):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
do_remove_default_stream(user_profile.realm, stream_name)
|
|
return json_success()
|
|
|
|
@authenticated_json_post_view
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def json_rename_stream(request, user_profile, old_name=REQ(), new_name=REQ()):
|
|
# type: (HttpRequest, UserProfile, text_type, text_type) -> HttpResponse
|
|
do_rename_stream(user_profile.realm, old_name, new_name)
|
|
return json_success()
|
|
|
|
@authenticated_json_post_view
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def json_make_stream_public(request, user_profile, stream_name=REQ()):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
do_make_stream_public(user_profile, user_profile.realm, stream_name)
|
|
return json_success()
|
|
|
|
@authenticated_json_post_view
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def json_make_stream_private(request, user_profile, stream_name=REQ()):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
do_make_stream_private(user_profile.realm, stream_name)
|
|
return json_success()
|
|
|
|
@require_realm_admin
|
|
@has_request_variables
|
|
def update_stream_backend(request, user_profile, stream_name,
|
|
description=REQ(validator=check_string, default=None)):
|
|
# type: (HttpRequest, UserProfile, text_type, Optional[text_type]) -> HttpResponse
|
|
if description is not None:
|
|
do_change_stream_description(user_profile.realm, stream_name, description)
|
|
|
|
return json_success({})
|
|
|
|
def list_subscriptions_backend(request, user_profile):
|
|
# type: (HttpRequest, UserProfile) -> HttpResponse
|
|
return json_success({"subscriptions": gather_subscriptions(user_profile)[0]})
|
|
|
|
FuncItPair = Tuple[Callable[..., HttpResponse], Iterable[Any]]
|
|
|
|
@transaction.atomic
|
|
@has_request_variables
|
|
def update_subscriptions_backend(request, user_profile,
|
|
delete=REQ(validator=check_list(check_string), default=[]),
|
|
add=REQ(validator=check_list(check_dict([('name', check_string)])), default=[])):
|
|
# type: (HttpRequest, UserProfile, Iterable[text_type], Iterable[Mapping[str, Any]]) -> HttpResponse
|
|
if not add and not delete:
|
|
return json_error(_('Nothing to do. Specify at least one of "add" or "delete".'))
|
|
|
|
json_dict = {} # type: Dict[str, Any]
|
|
method_items_pairs = ((add_subscriptions_backend, add), (remove_subscriptions_backend, delete)) # type: Tuple[FuncItPair, FuncItPair]
|
|
for method, items in method_items_pairs:
|
|
response = method(request, user_profile, streams_raw=items)
|
|
if response.status_code != 200:
|
|
transaction.rollback()
|
|
return response
|
|
json_dict.update(ujson.loads(response.content))
|
|
return json_success(json_dict)
|
|
|
|
@authenticated_json_post_view
|
|
def json_remove_subscriptions(request, user_profile):
|
|
# type: (HttpRequest, UserProfile) -> HttpResponse
|
|
return remove_subscriptions_backend(request, user_profile)
|
|
|
|
@has_request_variables
|
|
def remove_subscriptions_backend(request, user_profile,
|
|
streams_raw = REQ("subscriptions", validator=check_list(check_string)),
|
|
principals = REQ(validator=check_list(check_string), default=None)):
|
|
# type: (HttpRequest, UserProfile, Iterable[text_type], Optional[Iterable[text_type]]) -> HttpResponse
|
|
|
|
removing_someone_else = principals and \
|
|
set(principals) != set((user_profile.email,))
|
|
if removing_someone_else and not user_profile.is_realm_admin:
|
|
# You can only unsubscribe other people from a stream if you are a realm
|
|
# admin.
|
|
return json_error(_("This action requires administrative rights"))
|
|
|
|
streams, __ = list_to_streams(streams_raw, user_profile)
|
|
|
|
for stream in streams:
|
|
if removing_someone_else and stream.invite_only and \
|
|
not subscribed_to_stream(user_profile, stream):
|
|
# Even as an admin, you can't remove other people from an
|
|
# invite-only stream you're not on.
|
|
return json_error(_("Cannot administer invite-only streams this way"))
|
|
|
|
if principals:
|
|
people_to_unsub = set(principal_to_user_profile(
|
|
user_profile, principal) for principal in principals)
|
|
else:
|
|
people_to_unsub = set([user_profile])
|
|
|
|
result = dict(removed=[], not_subscribed=[]) # type: Dict[str, List[text_type]]
|
|
(removed, not_subscribed) = bulk_remove_subscriptions(people_to_unsub, streams)
|
|
|
|
for (subscriber, stream) in removed:
|
|
result["removed"].append(stream.name)
|
|
for (subscriber, stream) in not_subscribed:
|
|
result["not_subscribed"].append(stream.name)
|
|
|
|
return json_success(result)
|
|
|
|
def filter_stream_authorization(user_profile, streams):
|
|
# type: (UserProfile, Iterable[Stream]) -> Tuple[List[Stream], List[Stream]]
|
|
streams_subscribed = set() # type: Set[int]
|
|
recipients_map = bulk_get_recipients(Recipient.STREAM, [stream.id for stream in streams])
|
|
subs = Subscription.objects.filter(user_profile=user_profile,
|
|
recipient__in=list(recipients_map.values()),
|
|
active=True)
|
|
|
|
for sub in subs:
|
|
streams_subscribed.add(sub.recipient.type_id)
|
|
|
|
unauthorized_streams = [] # type: List[Stream]
|
|
for stream in streams:
|
|
# The user is authorized for his own streams
|
|
if stream.id in streams_subscribed:
|
|
continue
|
|
|
|
# The user is not authorized for invite_only streams
|
|
if stream.invite_only:
|
|
unauthorized_streams.append(stream)
|
|
|
|
authorized_streams = [stream for stream in streams if
|
|
stream.id not in set(stream.id for stream in unauthorized_streams)]
|
|
return authorized_streams, unauthorized_streams
|
|
|
|
def stream_link(stream_name):
|
|
# type: (text_type) -> text_type
|
|
"Escapes a stream name to make a #narrow/stream/stream_name link"
|
|
return u"#narrow/stream/%s" % (urllib.parse.quote(stream_name.encode('utf-8')),)
|
|
|
|
def stream_button(stream_name):
|
|
# type: (text_type) -> text_type
|
|
stream_name = stream_name.replace('\\', '\\\\')
|
|
stream_name = stream_name.replace(')', '\\)')
|
|
return '!_stream_subscribe_button(%s)' % (stream_name,)
|
|
|
|
@has_request_variables
|
|
def add_subscriptions_backend(request, user_profile,
|
|
streams_raw = REQ("subscriptions",
|
|
validator=check_list(check_dict([('name', check_string)]))),
|
|
invite_only = REQ(validator=check_bool, default=False),
|
|
announce = REQ(validator=check_bool, default=False),
|
|
principals = REQ(validator=check_list(check_string), default=None),
|
|
authorization_errors_fatal = REQ(validator=check_bool, default=True)):
|
|
# type: (HttpRequest, UserProfile, Iterable[Mapping[str, text_type]], bool, bool, Optional[List[text_type]], bool) -> HttpResponse
|
|
stream_names = []
|
|
for stream_dict in streams_raw:
|
|
stream_name = stream_dict["name"].strip()
|
|
if len(stream_name) > Stream.MAX_NAME_LENGTH:
|
|
return json_error(_("Stream name (%s) too long.") % (stream_name,))
|
|
if not valid_stream_name(stream_name):
|
|
return json_error(_("Invalid stream name (%s).") % (stream_name,))
|
|
stream_names.append(stream_name)
|
|
|
|
# Enforcement of can_create_streams policy is inside list_to_streams.
|
|
existing_streams, created_streams = \
|
|
list_to_streams(stream_names, user_profile, autocreate=True, invite_only=invite_only)
|
|
authorized_streams, unauthorized_streams = \
|
|
filter_stream_authorization(user_profile, existing_streams)
|
|
if len(unauthorized_streams) > 0 and authorization_errors_fatal:
|
|
return json_error(_("Unable to access stream (%s).") % unauthorized_streams[0].name)
|
|
# Newly created streams are also authorized for the creator
|
|
streams = authorized_streams + created_streams
|
|
|
|
if principals is not None:
|
|
if user_profile.realm.is_zephyr_mirror_realm and not all(stream.invite_only for stream in streams):
|
|
return json_error(_("You can only invite other Zephyr mirroring users to invite-only streams."))
|
|
subscribers = set(principal_to_user_profile(user_profile, principal) for principal in principals)
|
|
else:
|
|
subscribers = set([user_profile])
|
|
|
|
(subscribed, already_subscribed) = bulk_add_subscriptions(streams, subscribers)
|
|
|
|
result = dict(subscribed=defaultdict(list), already_subscribed=defaultdict(list)) # type: Dict[str, Any]
|
|
for (subscriber, stream) in subscribed:
|
|
result["subscribed"][subscriber.email].append(stream.name)
|
|
for (subscriber, stream) in already_subscribed:
|
|
result["already_subscribed"][subscriber.email].append(stream.name)
|
|
|
|
private_streams = dict((stream.name, stream.invite_only) for stream in streams)
|
|
bots = dict((subscriber.email, subscriber.is_bot) for subscriber in subscribers)
|
|
|
|
# Inform the user if someone else subscribed them to stuff,
|
|
# or if a new stream was created with the "announce" option.
|
|
notifications = []
|
|
if principals and result["subscribed"]:
|
|
for email, subscriptions in six.iteritems(result["subscribed"]):
|
|
if email == user_profile.email:
|
|
# Don't send a Zulip if you invited yourself.
|
|
continue
|
|
if bots[email]:
|
|
# Don't send invitation Zulips to bots
|
|
continue
|
|
|
|
if len(subscriptions) == 1:
|
|
msg = ("Hi there! We thought you'd like to know that %s just "
|
|
"subscribed you to the%s stream [%s](%s)."
|
|
% (user_profile.full_name,
|
|
" **invite-only**" if private_streams[subscriptions[0]] else "",
|
|
subscriptions[0],
|
|
stream_link(subscriptions[0]),
|
|
))
|
|
else:
|
|
msg = ("Hi there! We thought you'd like to know that %s just "
|
|
"subscribed you to the following streams: \n\n"
|
|
% (user_profile.full_name,))
|
|
for stream in subscriptions:
|
|
msg += "* [%s](%s)%s\n" % (
|
|
stream,
|
|
stream_link(stream),
|
|
" (**invite-only**)" if private_streams[stream] else "")
|
|
|
|
if len([s for s in subscriptions if not private_streams[s]]) > 0:
|
|
msg += "\nYou can see historical content on a non-invite-only stream by narrowing to it."
|
|
notifications.append(internal_prep_message(settings.NOTIFICATION_BOT,
|
|
"private", email, "", msg))
|
|
|
|
if announce and len(created_streams) > 0:
|
|
notifications_stream = user_profile.realm.notifications_stream
|
|
if notifications_stream is not None:
|
|
if len(created_streams) > 1:
|
|
stream_msg = "the following streams: %s" % \
|
|
(", ".join('`%s`' % (s.name,) for s in created_streams),)
|
|
else:
|
|
stream_msg = "a new stream `%s`" % (created_streams[0].name)
|
|
|
|
stream_buttons = ' '.join(stream_button(s.name) for s in created_streams)
|
|
msg = ("%s just created %s. %s" % (user_profile.full_name,
|
|
stream_msg, stream_buttons))
|
|
notifications.append(internal_prep_message(settings.NOTIFICATION_BOT,
|
|
"stream",
|
|
notifications_stream.name, "Streams", msg,
|
|
realm=notifications_stream.realm))
|
|
else:
|
|
msg = ("Hi there! %s just created a new stream '%s'. %s"
|
|
% (user_profile.full_name, created_streams[0].name, stream_button(created_streams[0].name)))
|
|
for realm_user_dict in get_active_user_dicts_in_realm(user_profile.realm):
|
|
# Don't announce to yourself or to people you explicitly added
|
|
# (who will get the notification above instead).
|
|
if realm_user_dict['email'] in principals or realm_user_dict['email'] == user_profile.email:
|
|
continue
|
|
notifications.append(internal_prep_message(settings.NOTIFICATION_BOT,
|
|
"private",
|
|
realm_user_dict['email'], "", msg))
|
|
|
|
if len(notifications) > 0:
|
|
do_send_messages(notifications)
|
|
|
|
result["subscribed"] = dict(result["subscribed"])
|
|
result["already_subscribed"] = dict(result["already_subscribed"])
|
|
if not authorization_errors_fatal:
|
|
result["unauthorized"] = [stream.name for stream in unauthorized_streams]
|
|
return json_success(result)
|
|
|
|
@has_request_variables
|
|
def get_subscribers_backend(request, user_profile, stream_name=REQ('stream')):
|
|
# type: (HttpRequest, UserProfile, text_type) -> HttpResponse
|
|
stream = get_stream(stream_name, user_profile.realm)
|
|
if stream is None:
|
|
raise JsonableError(_("Stream does not exist: %s") % (stream_name,))
|
|
|
|
subscribers = get_subscriber_emails(stream, user_profile)
|
|
|
|
return json_success({'subscribers': subscribers})
|
|
|
|
@authenticated_json_post_view
|
|
def json_get_subscribers(request, user_profile):
|
|
# type: (HttpRequest, UserProfile) -> HttpResponse
|
|
return get_subscribers_backend(request, user_profile)
|
|
|
|
# By default, lists all streams that the user has access to --
|
|
# i.e. public streams plus invite-only streams that the user is on
|
|
@has_request_variables
|
|
def get_streams_backend(request, user_profile,
|
|
include_public=REQ(validator=check_bool, default=True),
|
|
include_subscribed=REQ(validator=check_bool, default=True),
|
|
include_all_active=REQ(validator=check_bool, default=False),
|
|
include_default=REQ(validator=check_bool, default=False)):
|
|
# type: (HttpRequest, UserProfile, bool, bool, bool, bool) -> HttpResponse
|
|
|
|
|
|
streams = do_get_streams(user_profile, include_public=include_public,
|
|
include_subscribed=include_subscribed,
|
|
include_all_active=include_all_active,
|
|
include_default=include_default)
|
|
return json_success({"streams": streams})
|
|
|
|
@authenticated_json_post_view
|
|
@has_request_variables
|
|
def json_stream_exists(request, user_profile, stream=REQ(),
|
|
autosubscribe=REQ(default=False)):
|
|
# type: (HttpRequest, UserProfile, text_type, bool) -> HttpResponse
|
|
return stream_exists_backend(request, user_profile, stream, autosubscribe)
|
|
|
|
def stream_exists_backend(request, user_profile, stream_name, autosubscribe):
|
|
# type: (HttpRequest, UserProfile, text_type, bool) -> HttpResponse
|
|
if not valid_stream_name(stream_name):
|
|
return json_error(_("Invalid characters in stream name"))
|
|
stream = get_stream(stream_name, user_profile.realm)
|
|
result = {"exists": bool(stream)}
|
|
if stream is not None:
|
|
recipient = get_recipient(Recipient.STREAM, stream.id)
|
|
if autosubscribe:
|
|
bulk_add_subscriptions([stream], [user_profile])
|
|
result["subscribed"] = Subscription.objects.filter(user_profile=user_profile,
|
|
recipient=recipient,
|
|
active=True).exists()
|
|
return json_success(result) # results are ignored for HEAD requests
|
|
return json_response(data=result, status=404)
|
|
|
|
def get_subscription_or_die(stream_name, user_profile):
|
|
# type: (text_type, UserProfile) -> Subscription
|
|
stream = get_stream(stream_name, user_profile.realm)
|
|
if not stream:
|
|
raise JsonableError(_("Invalid stream %s") % (stream_name,))
|
|
recipient = get_recipient(Recipient.STREAM, stream.id)
|
|
subscription = Subscription.objects.filter(user_profile=user_profile,
|
|
recipient=recipient, active=True)
|
|
|
|
if not subscription.exists():
|
|
raise JsonableError(_("Not subscribed to stream %s") % (stream_name,))
|
|
|
|
return subscription
|
|
|
|
@authenticated_json_view
|
|
@has_request_variables
|
|
def json_subscription_property(request, user_profile, subscription_data=REQ(
|
|
validator=check_list(
|
|
check_dict([("stream", check_string),
|
|
("property", check_string),
|
|
("value", check_variable_type(
|
|
[check_string, check_bool]))])))):
|
|
# type: (HttpRequest, UserProfile, List[Dict[str, Any]]) -> HttpResponse
|
|
"""
|
|
This is the entry point to changing subscription properties. This
|
|
is a bulk endpoint: requestors always provide a subscription_data
|
|
list containing dictionaries for each stream of interest.
|
|
|
|
Requests are of the form:
|
|
|
|
[{"stream": "devel", "property": "in_home_view", "value": False},
|
|
{"stream": "devel", "property": "color", "value": "#c2c2c2"}]
|
|
"""
|
|
if request.method != "POST":
|
|
return json_error(_("Invalid verb"))
|
|
|
|
property_converters = {"color": check_string, "in_home_view": check_bool,
|
|
"desktop_notifications": check_bool,
|
|
"audible_notifications": check_bool,
|
|
"pin_to_top": check_bool}
|
|
response_data = []
|
|
|
|
for change in subscription_data:
|
|
stream_name = change["stream"]
|
|
property = change["property"]
|
|
value = change["value"]
|
|
|
|
if property not in property_converters:
|
|
return json_error(_("Unknown subscription property: %s") % (property,))
|
|
|
|
sub = get_subscription_or_die(stream_name, user_profile)[0]
|
|
|
|
property_conversion = property_converters[property](property, value)
|
|
if property_conversion:
|
|
return json_error(property_conversion)
|
|
|
|
do_change_subscription_property(user_profile, sub, stream_name,
|
|
property, value)
|
|
|
|
response_data.append({'stream': stream_name,
|
|
'property': property,
|
|
'value': value})
|
|
|
|
return json_success({"subscription_data": response_data})
|