Commit Graph

380 Commits

Author SHA1 Message Date
Anders Kaseorg 7dcffca50e tornado: Construct Django BaseHandler once, not per-request.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-09-30 11:20:45 -07:00
Anders Kaseorg 7222f3fe2b tornado: Raise the same error for nonexistent and unauthorized queues.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-09-20 15:20:36 -07:00
Anders Kaseorg 31b4be3b9b event_queue: Replace sequential queue IDs with UUIDs.
This prevents ID conflicts when resharding between multiple Tornado
shards.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-09-16 10:06:07 -07:00
Anders Kaseorg 987ab741f9 sharding: Support Tornado sharding by regexes.
One should now be able to configure a regex by appending _regex to the
port number:

[tornado_sharding]
9802_regex = ^[l-p].*\.zulipchat\.com$

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-09-15 16:07:50 -07:00
Kartik Srivastava 1291e7000b user_topic: Add user_topic event.
We now send a new user_topic event while muting and unmuting topics.
fetch_initial_state_data now returns an additional user_topics array to
the client that will maintain the user-topic relationship data.
This will support any future addition of new features to modify the
relationship between a user-topic pair.

This commit adds the relevent backend code and schema for the new
event.
2022-08-04 17:44:00 -07:00
Lauryn Menard 8a0070ace7 decorator: Move tornado notify `data` parameter to `REQ` framework.
Instead of using `request.POST` to access the `data` parameter used
in the internal `notify_tornado` path, adds `has_request_variables`
decorator and accesses `data` as a `REQ` parameter.

Expands `test_tornado_endpoint` in `test_event_system.py` for
`data` being a required parameter for this path.
2022-07-20 14:23:05 -07:00
Anders Kaseorg 4fc3845dc2 tornado: Ignore StreamClosedError.
This was also hidden until 81f7192ca3
(#22301).

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-28 16:35:49 -07:00
Anders Kaseorg 0d93ec6214 tornado: Remove dead check for message format.
This was for the old /messages/latest API that was removed in commit
e06722657a.

If we wanted a new check like this, it shouldn’t go in zulip_finish,
because that only runs when the client gets an asynchronous response
from polling an initially-empty queue, and not when the client gets a
synchronous response from polling a nonempty queue.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-28 16:35:49 -07:00
Zixuan James Li a9029c68ea tornado: Make _request an attribute on AsyncDjangoHandler.
For the same reason as `handler_id` has, we define `_request`
as an attribute. Note that the name `request` is already taken.

Signed-off-by: Zixuan James Li <p359101898@gmail.com>
2022-06-28 16:03:09 -07:00
Zixuan James Li 56e1f3b725 tornado: Make handler_id an attribute on AsyncDjangoHandler.
This prevents us from relying on a side-effect of `allocate_handler_id`
that monkey-patches `handler_id` on the `AsyncDjangoHandler` object,
allowing mypy to acknowledge the existence of `handler_id` as an `int`.

Signed-off-by: Zixuan James Li <p359101898@gmail.com>
2022-06-28 16:03:09 -07:00
Anders Kaseorg a7e10ee47e tornado: Send request_started signal in Django thread.
Django’s ASGIHandler does this too and it seems like a good idea.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-27 10:14:02 -07:00
Anders Kaseorg 5033beb99c request: Replace tornado_handler weak reference with tornado_handler_id.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-25 08:42:23 -07:00
Anders Kaseorg d03892391a event_queue: Take (typed) keyword parameters for fetch_events.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-25 08:42:23 -07:00
Anders Kaseorg 4d4d1e50cc tornado: Simplify in_tornado_thread usage.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-25 08:42:23 -07:00
Anders Kaseorg 81f7192ca3 tornado: Add missing await for finish calls.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-23 19:22:12 -07:00
Anders Kaseorg e112b619cc tornado: Fix race condition on handler._request.
Commit 6fd1a558b7 (#21469) introduced an
await point where get_events_backend calls fetch_events in order to
switch threads.  This opened the possibility that, in the window
between the connect_handler call in fetch_events and the old location
of this assignment in get_events_backend, an event could arrive,
causing ClientDescriptor.add_event to crash on missing
handler._request.  Fix this by assigning handler._request earlier.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-08 17:10:38 -07:00
Anders Kaseorg a7f9c4f958 logging: Pass more format arguments to logging.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-06-03 12:27:23 -07:00
Anders Kaseorg bb6bd900cd response: Replace response.asynchronous attribute with new class.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-27 14:27:34 -07:00
Anders Kaseorg f29553d809 requirements: Upgrade Python requirements.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-03 10:10:06 -07:00
Anders Kaseorg 7acb642fa5 requirements: Upgrade to Tornado 6.
Fixes #8913.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-02 17:41:49 -07:00
Anders Kaseorg 6fd1a558b7 runtornado: Switch to asyncio event loop.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-02 17:41:49 -07:00
Anders Kaseorg c263bfdb41 queue: Use a thread-local Pika connection.
According to the documentation: “Pika does not have any notion of
threading in the code. If you want to use Pika with threading, make
sure you have a Pika connection per thread, created in that thread. It
is not safe to share one Pika connection across threads, with one
exception: you may call the connection method add_callback_threadsafe
from another thread to schedule a callback within an active pika
connection.”

https://pika.readthedocs.io/en/stable/faq.html

This also means that synchronous Django code running in Tornado will
use its own synchronous SimpleQueueClient rather than sharing the
asynchronous TornadoQueueClient, which is unfortunate but necessary as
they’re about to be on different threads.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-02 17:41:49 -07:00
Anders Kaseorg e4bf7066f3 tornado: Remove instrument_tornado_ioloop.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-02 17:41:49 -07:00
Anders Kaseorg bded7180f7 tornado: Unfork tornado.autoreload.
We previously forked tornado.autoreload to work around a problem where
it would crash if you introduce a syntax error and not recover if you
fix it (https://github.com/tornadoweb/tornado/issues/2398).

A much more maintainable workaround for that issue, at least in
current Tornado, is to use tornado.autoreload as the main module.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-05-02 17:41:49 -07:00
Anders Kaseorg a2825e5984 python: Use Python 3.8 typing.{Protocol,TypedDict}.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-04-27 12:57:49 -07:00
Lauryn Menard 2e9adad123 update_message: Use `rendering_only` flag for notifications logic.
When `update_message` events were updated to have a consistent
format for both normal message updates/edits and special
rendering preview updates, the logic used in the tornado event
queue processor to identify the special events for sending
notifications no longer applied.

Updates that logic to use the `rendering_only` flag (if present)
that was added to the `update_message` event format to identify
if the event processor should potentially send notifications to
users.

For upgrade compatibility, if `rendering_only` flag is not present,
uses previous event structure and checks for the absence of the
`user_id` property, which indicated the special rendering preview
updates.

Fixes #16022.
2022-04-20 08:24:12 -07:00
Anders Kaseorg cc30ed8ec7 actions: Delete zerver.lib.actions.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-04-14 17:14:38 -07:00
Zixuan James Li 9d448e73d2 decorator: Remove cachify in favor of lru_cache.
`cachify` is essentially caching the return value of a function using only
the non-keyword-only arguments as the key.

The use case of the function in the backend can be sufficiently covered by
`functools.lru_cache` as an unbound cache. There is no signficant difference
apart from `cachify` overlooking keyword-only arguments, and
`functools.lru_cache` being conveniently typed.

Signed-off-by: Zixuan James Li <359101898@qq.com>
2022-04-14 12:44:35 -07:00
Anders Kaseorg 5f92078d07 request: Add a var_name parameter to converter.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-03-15 13:02:02 -07:00
Anders Kaseorg c3788ab847 validator: Replace converter=int with json_validator=check_int.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-03-15 13:02:02 -07:00
Anders Kaseorg b0ce4f1bce docs: Fix many spelling mistakes.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-02-07 18:51:06 -08:00
Lauryn Menard 3be622ffa7 backend: Add request as parameter to json_success.
Adds request as a parameter to json_success as a refactor towards
making `ignored_parameters_unsupported` functionality available
for all API endpoints.

Also, removes any data parameters that are an empty dict or
a dict with the generic success response values.
2022-02-04 15:16:56 -08:00
Anders Kaseorg ee71650908 python: Replace requests.packages.urllib3 alias with urllib3.
requests stopped vendoring urllib3 in 2.16.0 (2017-05-26).

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-01-23 22:14:17 -08:00
Anders Kaseorg 18aa4f4df4 tornado: Replace deprecated urllib3 method_whitelist.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2022-01-23 22:14:17 -08:00
Abhijeet Prasad Bodas 15e8717847 notifications: Don't enqueue notifications for bots.
This replaces the temporary (and testless) fix in
24b1439e93 with a more permanent
fix.

Instead of checking if the user is a bot just before
sending the notifications, we now just don't enqueue
notifications for bots. This is done by sending a list
of bot IDs to the event_queue code, just like other
lists which are used for creating NotificationData objects.

Credit @andersk for the test code in `test_notification_data.py`.
2022-01-03 09:55:06 -08:00
Alex Vandiver bc5539d871 tornado: Move SIGTERM shutdown handler into a callback.
A SIGTERM can show up at any point in the ioloop, even in places which
are not prepared to handle it.  This results in the process ignoring
the `sys.exit` which the SIGTERM handler calls, with an uncaught
SystemExit exception:

```
2021-11-09 15:37:49.368 ERR  [tornado.application:9803] Uncaught exception
Traceback (most recent call last):
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/http1connection.py", line 238, in _read_message
    delegate.finish()
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/httpserver.py", line 314, in finish
    self.delegate.finish()
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/routing.py", line 251, in finish
    self.delegate.finish()
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/web.py", line 2097, in finish
    self.execute()
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/web.py", line 2130, in execute
    **self.path_kwargs)
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/gen.py", line 307, in wrapper
    yielded = next(result)
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/tornado/web.py", line 1510, in _execute
    result = method(*self.path_args, **self.path_kwargs)
  File "/home/zulip/deployments/2021-11-08-05-10-23/zerver/tornado/handlers.py", line 150, in get
    request = self.convert_tornado_request_to_django_request()
  File "/home/zulip/deployments/2021-11-08-05-10-23/zerver/tornado/handlers.py", line 113, in convert_tornado_request_to_django_request
    request = WSGIRequest(environ)
  File "/home/zulip/deployments/2021-11-08-05-10-23/zulip-py3-venv/lib/python3.6/site-packages/django/core/handlers/wsgi.py", line 66, in __init__
    script_name = get_script_name(environ)
  File "/home/zulip/deployments/2021-11-08-05-10-23/zerver/tornado/event_queue.py", line 611, in <lambda>
    signal.signal(signal.SIGTERM, lambda signum, stack: sys.exit(1))
SystemExit: 1
```

Supervisor then terminates the process with a SIGKILL, which results
in dropping data held in the tornado process, as it does not dump its
queue.

The only command which is safe to run in the signal handler is
`ioloop.add_callback_from_signal`, which schedules the callback to run
during the course of the normal ioloop.  This callbacks does an
orderly shutdown of the server and the ioloop before exiting.
2021-11-12 09:57:23 -08:00
rht bb8504d925 lint: Fix typos found by codespell. 2021-10-19 16:51:13 -07:00
Tim Abbott 272e81988b tornado: Make process_notification hack avoid import loops.
This fixes a problem where we could not import zerver.lib.streams from
zerver.lib.message, which would otherwise be reasonable, because the
former implicitly imported many modules due to this issue.
2021-09-28 10:07:36 -07:00
Anders Kaseorg 646c04eff2 Rename default branch to ‘main’.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-09-06 12:56:35 -07:00
PIG208 53888e5a26 request: Refactor ZulipRequestNotes to RequestNotes.
This utilizes the generic `BaseNotes` we added for multipurpose
patching. With this migration as an example, we can further support
more types of notes to replace the monkey-patching approach we have used
throughout the codebase for type safety.
2021-09-03 08:48:45 -07:00
PIG208 aa9d73c9f6 typing: Improve typing with assertions.
This fixes some mypy errors discovered with django-stubs.
2021-08-20 05:54:19 -07:00
Anders Kaseorg 4206e5f00b python: Remove locally dead code.
These changes are all independent of each other; I just didn’t feel
like making dozens of commits for them.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-08-19 01:51:37 -07:00
Abhijeet Prasad Bodas ac70a2d2e1 notifications: Fix unnecessary wildcard mention notifications.
This fixes a bug where email notifications were sent for wildcard
mentions even if the `enable_offline_email_notifications` setting was
turned off.
This was because the `notification_data` class incorrectly considered
`wildcard_mentions_notify` as an indeoendent setting, instead of a wrapper
around `enable_offline_email_notifications` and `enable_offline_push_notifications`.

Also add a test for this case.
2021-08-13 09:48:18 -07:00
Anders Kaseorg 3665deb93a python: Remove unnecessary intermediate lists.
Generated automatically by pyupgrade.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-08-02 15:53:52 -07:00
Sahil Batra 0364d0c8ca events: Add "user_settings_object" to client_capabilities.
This commit adds "user_settings_object" field to
client_capabilities which will be used to determine
if the client needs 'update_display_settings' and
'update_global_notifications' event.
2021-08-01 15:30:17 -07:00
Gaurav Pandey d89b4dcd0b api: Return zulip_merge_base alongside zulip_version.
Return zulip_merge_base alongside zulip_version
in `/register`, `/event` and `/server_settings`
endpoint so that the value can be used by other
clients.
2021-07-30 12:03:41 -07:00
Abhijeet Prasad Bodas de04f0ad67 notifications: Calculate PMs/mentions settings like other settings.
Previously, we checked for the `enable_offline_email_notifications` and
`enable_offline_push_notifications` settings (which determine whether the
user will receive notifications for PMs and mentions) just before sending
notifications. This has a few problem:

1. We do not have access to all the user settings in the notification
handlers (`handle_missedmessage_emails` and `handle_push_notifications`),
and therefore, we cannot correctly determine whether the notification should
be sent. Checks like the following which existed previously, will, for
example, incorrectly not send notifications even when stream email
notifications are enabled-
```
if not receives_offline_email_notifications(user_profile):
    return
```
With this commit, we simply do not enqueue notifications if the "offline"
settings are disabled, which fixes that bug.

Additionally, this also fixes a bug with the "online push notifications"
feature, which was, if someone were to:
* turn off notifications for PMs and mentions (`enable_offline_push_notifications`)
* turn on stream push notifications (`enable_stream_push_notifications`)
* turn on "online push" (`enable_online_push_notifications`)

then, they would still receive notifications for PMs when online.
This isn't how the "online push enabled" feature is supposed to work;
it should only act as a wrapper around the other notification settings.

The buggy code was this in `handle_push_notifications`:
```
if not (
    receives_offline_push_notifications(user_profile)
    or receives_online_push_notifications(user_profile)
):
    return

    // send notifications
```

This commit removes that code, and extends our `notification_data.py` logic
to cover this case, along with tests.

2. The name for these settings is slightly misleading. They essentially
talk about "what to send notifications for" (PMs and mentions), and not
"when to send notifications" (offline). This commit improves this condition
by restricting the use of this term only to the database field, and using
clearer names everywhere else. This distinction will be important to have
non-confusing code when we implement multiple options for notifications
in the future as dropdown (never/when offline/when offline or online, etc).

3. We should ideally re-check all notification settings just before the
notifications are sent. This is especially important for email notifications,
which may be sent after a long time after the message was sent. We will
in the future add code to thoroughly re-check settings before sending
notifications in a clean manner, but temporarily not re-checking isn't
a terrible scenario either.
2021-07-28 13:55:25 -07:00
Anders Kaseorg fd0ab7c4ec tornado: Call close() on Django HttpResponse objects.
This is necessary to break the uncollectable reference cycle created
by our ‘request_notes.saved_response = json_response(…)’, Django’s
‘response._resource_closers.append(request.close)’, and Python’s
https://bugs.python.org/issue44680.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-07-20 11:07:36 -07:00
Anders Kaseorg 6564b258f1 request: Weaken ZulipRequestNotes.tornado_handler reference.
This prevents a memory leak arising from Python’s inability to collect
a reference cycle from a WeakKeyDictionary value to its key
(https://bugs.python.org/issue44680).

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-07-19 16:48:23 -07:00
Anders Kaseorg 7c32134fb5 Revert "Revert "request: Refactor to record rate limit data using ZulipRequestNotes.""
This reverts commit 49eab4efef.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
2021-07-19 16:48:23 -07:00