zulip/zerver/tornado/views.py

125 lines
6.0 KiB
Python

import time
from typing import Iterable, Optional, Sequence
import ujson
from django.http import HttpRequest, HttpResponse
from django.utils.translation import ugettext as _
from zerver.decorator import REQ, has_request_variables, internal_notify_view, \
process_client
from zerver.lib.response import json_error, json_success
from zerver.lib.validator import check_bool, check_int, check_list, check_string, \
to_non_negative_int
from zerver.models import Client, UserProfile, get_client, get_user_profile_by_id
from zerver.tornado.event_queue import fetch_events, \
get_client_descriptor, process_notification
from zerver.tornado.handlers import AsyncDjangoHandler
from zerver.tornado.exceptions import BadEventQueueIdError
@internal_notify_view(True)
def notify(request: HttpRequest) -> HttpResponse:
process_notification(ujson.loads(request.POST['data']))
return json_success()
@has_request_variables
def cleanup_event_queue(request: HttpRequest, user_profile: UserProfile,
queue_id: str=REQ()) -> HttpResponse:
client = get_client_descriptor(str(queue_id))
if client is None:
raise BadEventQueueIdError(queue_id)
if user_profile.id != client.user_profile_id:
return json_error(_("You are not authorized to access this queue"))
request._log_data['extra'] = f"[{queue_id}]"
client.cleanup()
return json_success()
@internal_notify_view(True)
@has_request_variables
def get_events_internal(request: HttpRequest,
user_profile_id: int = REQ(validator=check_int)) -> HttpResponse:
user_profile = get_user_profile_by_id(user_profile_id)
request._requestor_for_logs = user_profile.format_requestor_for_logs()
process_client(request, user_profile, client_name="internal")
return get_events_backend(request, user_profile)
def get_events(request: HttpRequest, user_profile: UserProfile) -> HttpResponse:
return get_events_backend(request, user_profile)
@has_request_variables
def get_events_backend(request: HttpRequest, user_profile: UserProfile,
# user_client is intended only for internal Django=>Tornado requests
# and thus shouldn't be documented for external use.
user_client: Optional[Client]=REQ(converter=get_client, default=None,
intentionally_undocumented=True),
last_event_id: Optional[int]=REQ(converter=int, default=None),
queue_id: Optional[str]=REQ(default=None),
# apply_markdown, client_gravatar, all_public_streams, and various
# other parameters are only used when registering a new queue via this
# endpoint. This is a feature used primarily by get_events_internal
# and not expected to be used by third-party clients.
apply_markdown: bool=REQ(default=False, validator=check_bool,
intentionally_undocumented=True),
client_gravatar: bool=REQ(default=False, validator=check_bool,
intentionally_undocumented=True),
slim_presence: bool=REQ(default=False, validator=check_bool,
intentionally_undocumented=True),
all_public_streams: bool=REQ(default=False, validator=check_bool,
intentionally_undocumented=True),
event_types: Optional[str]=REQ(default=None, validator=check_list(check_string),
intentionally_undocumented=True),
dont_block: bool=REQ(default=False, validator=check_bool),
narrow: Iterable[Sequence[str]]=REQ(default=[], validator=check_list(None),
intentionally_undocumented=True),
lifespan_secs: int=REQ(default=0, converter=to_non_negative_int,
intentionally_undocumented=True)
) -> HttpResponse:
# Extract the Tornado handler from the request
handler: AsyncDjangoHandler = request._tornado_handler
if user_client is None:
valid_user_client = request.client
else:
valid_user_client = user_client
events_query = dict(
user_profile_id = user_profile.id,
queue_id = queue_id,
last_event_id = last_event_id,
event_types = event_types,
client_type_name = valid_user_client.name,
all_public_streams = all_public_streams,
lifespan_secs = lifespan_secs,
narrow = narrow,
dont_block = dont_block,
handler_id = handler.handler_id)
if queue_id is None:
events_query['new_queue_data'] = dict(
user_profile_id = user_profile.id,
realm_id = user_profile.realm_id,
event_types = event_types,
client_type_name = valid_user_client.name,
apply_markdown = apply_markdown,
client_gravatar = client_gravatar,
slim_presence = slim_presence,
all_public_streams = all_public_streams,
queue_timeout = lifespan_secs,
last_connection_time = time.time(),
narrow = narrow)
result = fetch_events(events_query)
if "extra_log_data" in result:
request._log_data['extra'] = result["extra_log_data"]
if result["type"] == "async":
# Mark this response with .asynchronous; this will result in
# Tornado discarding the response and instead long-polling the
# request. See zulip_finish for more design details.
handler._request = request
response = json_success()
response.asynchronous = True
return response
if result["type"] == "error":
raise result["exception"]
return json_success(result["response"])