allow_webhook_access may be true if the request allows webhook
requests, regardless of if it only used for a webhook integration.
Only actually log to the verbose webhook logger if it is explicitly a
webhook endpoint, as judged by `webhook_client_name`. This prevents
requests for `POST /api/v1/messages` from being logged to the webhook
logger if they mistakenly contain a `payload` argument.
This argument does not define if an endpoint "is a webhook"; it is set
for "/api/v1/messages", which is not really a webhook, but allows
access from webhooks.
This clears it out of the data sent to Sentry, where it is duplicative
with the indexed metadata -- and potentially exposes PHI if Sentry's
"make this issue public" feature is used.
The previous link was to "extended callable" types, which are
deprecated in favor of callback protocols. Unfortunately, defining a
protocol class can't express the typing -- we need some sort of
variadic generics[1]. Specifically, we wish to support hitting the
endpoint with additional parameters; thus, this protocol is
insufficient:
```
class WebhookHandler(Protocol):
def __call__(request: HttpRequest, api_key: str) -> HttpResponse: ...
```
...since it prohibits additional parameters. And allowing extra
arguments:
```
class WebhookHandler(Protocol):
def __call__(request: HttpRequest, api_key: str,
*args: object, **kwargs: object) -> HttpResponse: ...
```
...is similarly problematic, since the view handlers do not support
_arbitrary_ keyword arguments.
[1] https://github.com/python/typing/issues/193
`zulip.zerver.lib.webhooks.common` was very opaque previously,
especially since none of the logging was actually done from that
module.
Adjust to a more explicit logger name.
Any exception is an "unexpected event", which means talking about
having an "unexpected event logger" or "unexpected event exception" is
confusing. As the error message in `exceptions.py` already explains,
this is about an _unsupported_ event type.
This also switches the path that these exceptions are written to,
accordingly.
Before this the only way we took advantage
of the summary from UnexpectedWebhookEventType
was by looking at exc_info().
Now we just explicitly add it to the log
message, which also sets us up to call
log_exception_to_webhook_logger directly
with some sort of "summary" info
when we don't actually want a real
exception (for example, we might want to
report anomalous webhook data but still
continue the transaction).
A minor change in passing is that I move
the payload parameter lexically.
We eliminate optional parameters and replace `request_body`
with `payload`.
There is much less confusion if we just pass in `payload`,
and then we optionally re-format it if it's json.
For unclear reasons the original code was trying to
do `request_body = str(payload)` when `request_body`
was no longer being used.
It's never safe to access the mock RemoteZulipServer object; this
caused exceptions on every request in production for any server with
ZILENCER_ENABLED=False.
Django always sets request.user to a UserProfile or AnonymousUser
instance, so it's better to mimic that in the tests where we pass a
dummy request objects for rate limiter testing purposes.
The data is now stored in memory if things are happening inside tornado.
That aside, there is no reason for a comment on a rate_limit_user call
to talk about low level implementation details of that function.
I can find no evidence of it being possible to get an Exception when
accessing request.user or for it to be falsy. Django should always set
request.user to either a UserProfile (if logged in) or AnonymousUser
instance. Thus, this seems to be dead code that's handling cases that
can't happen.
Since bug https://bugs.python.org/issue3445 was resolved in Python
3.3, we can avoid the use of assigned=available_attrs(view_func) in
wraps decorator (which we were only using because we'd copied code
that handled that from Django).
Also available_attrs is now depreciated from Django 3.0 onwards.
These weren’t wrong since orjson.JSONDecodeError subclasses
json.JSONDecodeError which subclasses ValueError, but the more
specific ones express the intention more clearly.
(ujson raised ValueError directly, as did json in Python 2.)
Signed-off-by: Anders Kaseorg <anders@zulip.com>
The exception trace only goes from where the exception was thrown up
to where the `logging.exception` call is; any context as to where
_that_ was called from is lost, unless `stack_info` is passed as well.
Having the stack is particularly useful for Sentry exceptions, which
gain the full stack trace.
Add `stack_info=True` on all `logging.exception` calls with a
non-trivial stack; we omit `wsgi.py`. Adjusts tests to match.
In a decorator annotated with generic type (ViewFuncT) -> ViewFuncT,
the type variable ViewFuncT = TypeVar(…) must be instantiated to
the *same* type in both places. This amounts to a claim that the
decorator preserves the signature of the view function, which is not
the case for decorators that add a user_profile parameter.
The corrected annotations enforce no particular relationship between
the input and output signatures, which is not the ideal type we might
get if mypy supported variadic generics, but is better than enforcing
a relationship that is guaranteed to be wrong.
This removes a bunch of ‘# type: ignore[call-arg] # mypy doesn't seem
to apply the decorator’ annotations. Mypy does apply the decorator,
but the decorator’s incorrect annotation as signature-preserving made
it appear as if it didn’t.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
There seems to have been a confusion between two different uses of the
word “optional”:
• An optional parameter may be omitted and replaced with a default
value.
• An Optional type has None as a possible value.
Sometimes an optional parameter has a default value of None, or None
is otherwise a meaningful value to provide, in which case it makes
sense for the optional parameter to have an Optional type. But in
other cases, optional parameters should not have Optional type. Fix
them.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
Fixes#2665.
Regenerated by tabbott with `lint --fix` after a rebase and change in
parameters.
Note from tabbott: In a few cases, this converts technical debt in the
form of unsorted imports into different technical debt in the form of
our largest files having very long, ugly import sequences at the
start. I expect this change will increase pressure for us to split
those files, which isn't a bad thing.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
Automatically generated by the following script, based on the output
of lint with flake8-comma:
import re
import sys
last_filename = None
last_row = None
lines = []
for msg in sys.stdin:
m = re.match(
r"\x1b\[35mflake8 \|\x1b\[0m \x1b\[1;31m(.+):(\d+):(\d+): (\w+)", msg
)
if m:
filename, row_str, col_str, err = m.groups()
row, col = int(row_str), int(col_str)
if filename == last_filename:
assert last_row != row
else:
if last_filename is not None:
with open(last_filename, "w") as f:
f.writelines(lines)
with open(filename) as f:
lines = f.readlines()
last_filename = filename
last_row = row
line = lines[row - 1]
if err in ["C812", "C815"]:
lines[row - 1] = line[: col - 1] + "," + line[col - 1 :]
elif err in ["C819"]:
assert line[col - 2] == ","
lines[row - 1] = line[: col - 2] + line[col - 1 :].lstrip(" ")
if last_filename is not None:
with open(last_filename, "w") as f:
f.writelines(lines)
Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
Generated by pyupgrade --py36-plus --keep-percent-format, but with the
NamedTuple changes reverted (see commit
ba7906a3c6, #15132).
Signed-off-by: Anders Kaseorg <anders@zulip.com>
This saves the completely unnecessary work of mapping the Client name
to its ID. Because we had in-process caching of the immutable Client
objects, this isn't a material performance win, but it will eventually
let us delete that caching logic and have a simpler system.
mock is just a backport of the standard library’s unittest.mock now.
The SAMLAuthBackendTest change is needed because
MagicMock.call_args.args wasn’t introduced until Python
3.8 (https://bugs.python.org/issue21269).
The PROVISION_VERSION bump is skipped because mock is still an
indirect dev requirement via moto.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
Since production testing of `message_retention_days` is finished, we can
enable this feature in the organization settings page. We already had this
setting in frontend but it was bit rotten and not rendered in templates.
Here we replaced our past text-input based setting with a
dropdown-with-text-input setting approach which is more consistent with our
existing UI.
Along with frontend changes, we also incorporated a backend change to
handle making retention period forever. This change introduces a new
convertor `to_positive_or_allowed_int` which only allows positive integers
and an allowed value for settings like `message_retention_days` which can
be a positive integer or has the value `Realm.RETAIN_MESSAGE_FOREVER` when
we change the setting to retain message forever.
This change made `to_not_negative_int_or_none` redundant so removed it as
well.
Fixes: #14854
We want a clean codepath for the vast majority
of cases of using api_get/api_post, which now
uses email and which we'll soon convert to
accepting `user` as a parameter.
These apis that take two different types of
values for the same parameter make sweeps
like this kinda painful, and they're pretty
easy to avoid by extracting helpers to do
the actual common tasks. So, for example,
here I still keep a common method to
actually encode the credentials (since
the whole encode/decode business is an
annoying detail that you don't want to fix
in two places):
def encode_credentials(self, identifier: str, api_key: str) -> str:
"""
identifier: Can be an email or a remote server uuid.
"""
credentials = "%s:%s" % (identifier, api_key)
return 'Basic ' + base64.b64encode(credentials.encode('utf-8')).decode('utf-8')
But then the rest of the code has two separate
codepaths.
And for the uuid functions, we no longer have
crufty references to realm. (In fairness, realm
will also go away when we introduce users.)
For the `is_remote_server` helper, I just inlined
it, since it's now only needed in one place, and the
name didn't make total sense anyway, plus it wasn't
a super robust check. In context, it's easier
just to use a comment now to say what we're doing:
# If `role` doesn't look like an email, it might be a uuid.
if settings.ZILENCER_ENABLED and role is not None and '@' not in role:
# do stuff
Instead of trying to set the _requestor_for_logs attribute in all the
relevant places, we try to use request.user when possible (that will be
when it's a UserProfile or RemoteZulipServer as of now). In other
places, we set _requestor_for_logs to avoid manually editing the
request.user attribute, as it should mostly be left for Django to manage
it.
In places where we remove the "request._requestor_for_logs = ..." line,
it is clearly implied by the previous code (or the current surrounding
code) that request.user is of the correct type.
Alex Vandiver
Steve Howell
shanukun
Anders Kaseorg
Tim Abbott
Mateusz Mandera
arpit551
Vishnu KS
Anders Kaseorg
sahil839
Mateusz Mandera
Pragati Agrawal
Steve Howell