Commit Graph

384 Commits

Author SHA1 Message Date
Aman Agrawal 2a4c62a326 update_to_dict_cache: Use bulk queries when preparing msgs for cache.
During events such as stream / topic name edit for a topic, we were
running queries to db in loop for each message for reactions,
submessages and realm_id. This commit reduces the queries to be
done only for realm_id, which is yet to be fixed.

This is accomplished by building messages with empty reactions
and submessages and then updating them in the messages using bulk
queries.
2020-05-19 10:30:03 -07:00
Aman Agrawal 21acc65489 test_messages: Test number of queries performed by `to_dict_uncached`.
`to_dict_uncached` performs queries to db in a loop which should be
replaced with bulk db queries.
2020-05-19 10:30:03 -07:00
Rohan Prashant 44a56a66d0 tests-backend: Bring stream_recipient.py to 100 percent coverage.
Fixes part of #7089.
2020-05-12 16:43:01 -07:00
Anders Kaseorg 78c70b1424 bugdown: Leave link titles alone until clean_user_content_links.
Signed-off-by: Anders Kaseorg <anders@zulip.com>
2020-05-09 16:32:40 -07:00
rebtung f7fbe3419f api: Improve consistency of reactions API.
Previously, the message and event APIs represented the user differently
for the same reaction data. To make this more consistent, I added a
user_id field to the reaction dict for both messages and events. I
updated the front end to use the user_id field rather than the user
dict. Lastly, I updated front end and back end tests that used user
info.

I primarily tested this by running my local Zulip build and
adding/removing reactions from messages.

Fixes #12049.
2020-04-26 10:35:55 -07:00
Anders Kaseorg fead14951c python: Convert assignment type annotations to Python 3.6 style.
This commit was split by tabbott; this piece covers the vast majority
of files in Zulip, but excludes scripts/, tools/, and puppet/ to help
ensure we at least show the right error messages for Xenial systems.

We can likely further refine the remaining pieces with some testing.

Generated by com2ann, with whitespace fixes and various manual fixes
for runtime issues:

-    invoiced_through: Optional[LicenseLedger] = models.ForeignKey(
+    invoiced_through: Optional["LicenseLedger"] = models.ForeignKey(

-_apns_client: Optional[APNsClient] = None
+_apns_client: Optional["APNsClient"] = None

-    notifications_stream: Optional[Stream] = models.ForeignKey('Stream', related_name='+', null=True, blank=True, on_delete=CASCADE)
-    signup_notifications_stream: Optional[Stream] = models.ForeignKey('Stream', related_name='+', null=True, blank=True, on_delete=CASCADE)
+    notifications_stream: Optional["Stream"] = models.ForeignKey('Stream', related_name='+', null=True, blank=True, on_delete=CASCADE)
+    signup_notifications_stream: Optional["Stream"] = models.ForeignKey('Stream', related_name='+', null=True, blank=True, on_delete=CASCADE)

-    author: Optional[UserProfile] = models.ForeignKey('UserProfile', blank=True, null=True, on_delete=CASCADE)
+    author: Optional["UserProfile"] = models.ForeignKey('UserProfile', blank=True, null=True, on_delete=CASCADE)

-    bot_owner: Optional[UserProfile] = models.ForeignKey('self', null=True, on_delete=models.SET_NULL)
+    bot_owner: Optional["UserProfile"] = models.ForeignKey('self', null=True, on_delete=models.SET_NULL)

-    default_sending_stream: Optional[Stream] = models.ForeignKey('zerver.Stream', null=True, related_name='+', on_delete=CASCADE)
-    default_events_register_stream: Optional[Stream] = models.ForeignKey('zerver.Stream', null=True, related_name='+', on_delete=CASCADE)
+    default_sending_stream: Optional["Stream"] = models.ForeignKey('zerver.Stream', null=True, related_name='+', on_delete=CASCADE)
+    default_events_register_stream: Optional["Stream"] = models.ForeignKey('zerver.Stream', null=True, related_name='+', on_delete=CASCADE)

-descriptors_by_handler_id: Dict[int, ClientDescriptor] = {}
+descriptors_by_handler_id: Dict[int, "ClientDescriptor"] = {}

-worker_classes: Dict[str, Type[QueueProcessingWorker]] = {}
-queues: Dict[str, Dict[str, Type[QueueProcessingWorker]]] = {}
+worker_classes: Dict[str, Type["QueueProcessingWorker"]] = {}
+queues: Dict[str, Dict[str, Type["QueueProcessingWorker"]]] = {}

-AUTH_LDAP_REVERSE_EMAIL_SEARCH: Optional[LDAPSearch] = None
+AUTH_LDAP_REVERSE_EMAIL_SEARCH: Optional["LDAPSearch"] = None

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-22 11:02:32 -07:00
Anders Kaseorg f8c95cda51 mypy: Add specific codes to type: ignore annotations.
https://mypy.readthedocs.io/en/stable/error_codes.html

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-22 10:46:33 -07:00
Anders Kaseorg 1cf63eb5bf python: Whitespace fixes from autopep8.
Generated by autopep8, with the setup.cfg configuration from #14532.
I’m not sure why pycodestyle didn’t already flag these.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-21 17:58:09 -07:00
Anders Kaseorg 5901e7ba7e python: Convert function type annotations to Python 3 style.
Generated by com2ann (slightly patched to avoid also converting
assignment type annotations, which require Python 3.6), followed by
some manual whitespace adjustment, and six fixes for runtime issues:

-    def __init__(self, token: Token, parent: Optional[Node]) -> None:
+    def __init__(self, token: Token, parent: "Optional[Node]") -> None:

-def main(options: argparse.Namespace) -> NoReturn:
+def main(options: argparse.Namespace) -> "NoReturn":

-def fetch_request(url: str, callback: Any, **kwargs: Any) -> Generator[Callable[..., Any], Any, None]:
+def fetch_request(url: str, callback: Any, **kwargs: Any) -> "Generator[Callable[..., Any], Any, None]":

-def assert_server_running(server: subprocess.Popen[bytes], log_file: Optional[str]) -> None:
+def assert_server_running(server: "subprocess.Popen[bytes]", log_file: Optional[str]) -> None:

-def server_is_up(server: subprocess.Popen[bytes], log_file: Optional[str]) -> bool:
+def server_is_up(server: "subprocess.Popen[bytes]", log_file: Optional[str]) -> bool:

-    method_kwarg_pairs: List[FuncKwargPair],
+    method_kwarg_pairs: "List[FuncKwargPair]",

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-18 20:42:48 -07:00
Anders Kaseorg c734bbd95d python: Modernize legacy Python 2 syntax with pyupgrade.
Generated by `pyupgrade --py3-plus --keep-percent-format` on all our
Python code except `zthumbor` and `zulip-ec2-configure-interfaces`,
followed by manual indentation fixes.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-09 16:43:22 -07:00
Tim Abbott 843345dfee message_edit: Add backend for moving a topic to another stream.
This commit reuses the existing infrastructure for moving a topic
within a stream to add support for moving topics from one stream to
another.

Split from the original full-feature commit so that we can merge just
the backend, which is finished, at this time.

This is a large part of #6427.

The feature is incomplete, in that we don't have real-time update of
the frontend to handle the event, documentation, etc., but this commit
is a good mergable checkpoint that we can do further work on top of.
We also still ideally would have a test_events test for the backend,
but I'm willing to leave that for follow-up work.

This appears to have switched to tabbott as the author during commit
squashing sometime ago, but this commit is certainly:

Co-Authored-By: Wbert Adrián Castro Vera <wbertc@gmail.com>
2020-04-07 14:19:19 -07:00
Steve Howell f6503a4061 validation: Use JsonableError for extractors.
The distinction between ValueError and TypeError
is not useful in these functions:

    - extract_stream_indicator
    - extract_private_recipients (or its callees)

These are always invoked in views to validate
user input.

When we use REQ to wrap the validators, any
Exception gets turned into a JsonableError, so
the distinction is not important.

And if we don't use REQ to wrap the validators,
the errors aren't caught.

Now we just let these functions directly produce
the desired end result for both codepaths.

Also, we now flag the error strings for translation.
2020-04-01 15:01:19 -07:00
Anders Kaseorg 4f748fb627 markdown: Stop setting target="_blank".
This setting is being overridden by the frontend since the last
commit, and the security model is clearer and more robust if we don't
make it appear as though the markdown processor is handling this
issue.

Co-authored-by: Tim Abbott <tabbott@zulipchat.com>
Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-04-01 14:01:45 -07:00
Udit107710 ef741bf317 messages: Return shallow copy of message object.
When more than one outgoing webhook is configured,
the message which is send to the webhook bot passes
through finalize_payload function multiple times,
which mutated the message dict in a way that many keys
were lost from the dict obj.

This commit fixes that problem by having
`finalize_payload` return a shallow copy of the
incoming dict, instead of mutating it.  We still
mutate dicts inside of `post_process_dicts`, though,
for performance reasons.

This was slightly modified by @showell to fix the
`test_both_codepaths` test that was added concurrently
to this work.  (I used a slightly verbose style in the
tests to emphasize the transformation from `wide_dict`
to `narrow_dict`.)

I also removed a deepcopy call inside
`get_client_payload`, since we now no longer mutate
in `finalize_payload`.

Finally, I added some comments here and there.

For testing, I mostly protect against the root
cause of the bug happening again, by adding a line
to make sure that `sender_realm_id` does not get
wiped out from the "wide" dictionary.

A better test would exercise the actual code that
exposed the bug here by sending a message to a bot
with two or more services attached to it.  I will
do that in a future commit.

Fixes #14384
2020-03-29 15:12:27 -07:00
Stefan Weil d2fa058cc1
text: Fix some typos (most of them found and fixed by codespell).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
2020-03-27 17:25:56 -07:00
Steve Howell f62f8c9238 message tests: Clean up edit-message tests.
Overall, this change eliminates a lot of
optional parameters and conditionals, plus
some legacy logic related to caches.

For all the places we are just editing topics,
we now just call `check_topic` to see that
the topic got updated.

For places where the topic edit failed, we
just inline the checks that message still
has the old topic and content.

And then for successful **content** edits,
we now do a more rigorous, more sane check
that the messages are properly cached.  The
old code here had evolved from 2013 into
something that didn't really make much sense
in the context of editing topics.

Now we are literally pulling data from the
cache and making sure it's valid, rather
than trying to poorly simulate the two
codepaths related to dispatching message
events and fetching messages.  Some of the
history here was that when I introduced
`MessageDict` several years ago, I did a
lot of code sweeping and didn't analyze every
single test to make sure it's still valid,
plus some of the tests still had some value
for catching regressions.  A recent commit
now gets us coverage on that a lot more
explicitly, rather than in passing.
2020-03-27 13:51:50 -07:00
Steve Howell db4ae7fc39 tests: Test equivalency of the two message codepaths.
See the comment in the test for a thorough explanation.

In brief, this test makes sure that the events codepath
for messages produces the same results as the fetch
codepath.

And this sets us up to simplify another test that kind
of poorly tried to do the same thing in passing.  (In
fairness the test was really ancient and preceded a lot
of later work that we did here.)
2020-03-27 17:20:34 +00:00
Tim Abbott 85c9ffd91c message: Validate propagate_mode parameters.
This improves the error handling for invalid values of the
propagate_mode parameter to our message editing endpoints.
Previously, invalid values would just work like change_one rather than
doing nothing.
2020-03-24 12:36:45 -07:00
Steve Howell 1306239c16 tests: Use email/delivery_email more explicitly.
We try to use the correct variation of `email`
or `delivery_email`, even though in some
databases they are the same.

(To find the differences, I temporarily hacked
populate_db to use different values for email
and delivery_email, and reduced email visibility
in the zulip realm to admins only.)

In places where we want the "normal" realm
behavior of showing emails (and having `email`
be the same as `delivery_email`), we use
the new `reset_emails_in_zulip_realm` helper.

A couple random things:

    - I fixed any error messages that were leaking
      the wrong email

    - a test that claimed to rely on the order
      of emails no longer does (we sort user_ids
      instead)

    - we now use user_ids in some place where we used
      to use emails

    - for IRC mirrors I just punted and used
      `reset_emails_in_zulip_realm` in most places

    - for MIT-related tests, I didn't fix email
      vs. delivery_email unless it was obvious

I also explicitly reset the realm to a "normal"
realm for a couple tests that I frankly just didn't
have the energy to debug.  (Also, we do want some
coverage on the normal case, even though it is
"easier" for tests to pass if you mix up `email`
and `delivery_email`.)

In particular, I just reset data for the analytics
and corporate tests.
2020-03-19 16:04:03 -07:00
Steve Howell 1b16693526 tests: Limit email-based logins.
We now have this API...

If you really just need to log in
and not do anything with the actual
user:

    self.login('hamlet')

If you're gonna use the user in the
rest of the test:

    hamlet = self.example_user('hamlet')
    self.login_user(hamlet)

If you are specifically testing
email/password logins (used only in 4 places):

    self.login_by_email(email, password)

And for failures uses this (used twice):

    self.assert_login_failure(email)
2020-03-11 17:10:22 -07:00
Steve Howell c235333041 test performance: Pass in users to api_* helpers.
This reduces query counts in some cases, since
we no longer need to look up the user again. In
particular, it reduces some noise when we
count queries for O(N)-related tests.

The query count is usually reduced by 2 per
API call.  We no longer need to look up Realm
and UserProfile.  In most cases we are saving
these lookups for the whole tests, since we
usually already have the `user` objects for
other reasons.  In a few places we are simply
moving where that query happens within the
test.

In some places I shorten names like `test_user`
or `user_profile` to just be `user`.
2020-03-11 14:18:29 -07:00
Tim Abbott ccf63ac66b decorators: Restructure get_client_name interface.
Previously, get_client_name was responsible for both parsing the
User-Agent data as well as handling the override behavior that we want
to use "website" rather than "Mozilla" as the key for the Client object.

Now, it's just responsible for User-Agent, and the override behavior
is entirely within process_client (the function concerned with Client
objects).

This has the side effect of changing what `Client` object we'll use
for HTTP requests to /json/ endpoints that set the `client` attribute.
I think that's in line with our intent -- we only have a use case for
API clients overriding the User-Agent parsing (that feature is a
workaround for situations where the third party may not control HTTP
headers but does control the HTTP request payload).

This loses test coverage on the `request.GET['client']` code path; I
disable that for now since we don't have a real use for that behavior.

(We may want to change that logic to have Client recognize individual
browsers; doing so requires first using a better User-Agent parsing
library).

Part of #14067.
2020-03-08 14:19:50 -07:00
Tim Abbott 53cc00c21c messages: Ban the sender property when not mirroring.
The "sender" property in `send_message_backend` is meant to only do
something when doing Zephyr mirroring (or similar).  We should help
clients behave correctly by banning this property in requests that are
not specifically requesting mirroring behavior.

This commit requires changes to a number of tests that incorrectly
passed this parameter or didn't use the right setup for mirroring.
2020-03-08 14:09:32 -07:00
Tim Abbott cf897cc4b6 test_messages: Convert Zephyr mirror tests to use API.
The special Zephyr mirroring logic is only intended to be used via the
API, so this sets up a more effective test.  It also allows us to
remove certain Client parsing logic for the /json/ views using session
authentication.
2020-03-08 13:38:20 -07:00
Tim Abbott 5835023021 tests: Use user IDs internally in send message helpers.
This uses the better, modern, user ID based API for sending messages
internally in the test suite, something that's convenient to do as a
follow-up to the migration to pass UserProfile objects to these
functions.
2020-03-07 18:31:13 -08:00
Steve Howell 5e2a32c936 tests: Use users in send_*_message.
This commit mostly makes our tests less
noisy, since emails are no longer an important
detail of sending messages (they're not even
really used in the API).

It also sets us up to have more scrutiny
on delivery_email/email in the future
for things that actually matter.  (This is
a prep commit for something along those
lines, kind of hard to explain the full
plan.)
2020-03-07 18:30:13 -08:00
Mateusz Mandera 05e7214690 do_delete_messages: Handle empty set of messages passed as input.
/delete_topic endpoint could be used to request the deletion of a topic,
that would cause do_delete_messages to be called with an empty set in
these cases:
1. Requesting deletion of an empty stream.
2. Requesting deletion of a topic in a private stream with history not
   public to subscribers, if the requesting admin doesn't have access to
   any of the messages in that topic.
2020-03-02 00:01:35 -08:00
Steve Howell 995353fb28 message validation: Clean up extract_private_recipients.
This is mostly refactoring, but we also prevent a new
type of value error (list of non-int-or-string).  The
new test code helps enforce that.

Cleanup includes:

    - Use early-exit for email case.
    - Rename helpers to get_validate_*.
    - Avoid clumsy rebuilding of lists in helpers.
    - Avoid the confusing `recipient` name (which
      can be confused with the model by the same
      name).
    - Just delegate duplicate-id/email-removal to
      the helpers.

The cleaner structure allows us to elminate a couple
mypy workarounds.
2020-02-25 16:17:47 -08:00
Steve Howell ed859617e4 minor: Add test for extract_stream_indicator. 2020-02-24 07:40:31 -05:00
Ryan Rehman 1bda3babbe tests: Minor refactoring of test_messages.
This avoids using `.save()` directly for editing stream properties,
and also uses the API in _send_and_verify_message to avoid confusing
logic around which user is doing what request.

Fixes part of #13823
2020-02-18 11:07:41 -08:00
Mateusz Mandera 6a0b68bc7f models: Delete get_stream_recipient function and its uses.
With recipient being now a Stream field, there's no more use for
this helper function.
2020-02-18 10:49:14 -08:00
Mateusz Mandera 0d6f78b381 models: Delete get_personal_recipient function and its uses.
With recipient being now a UserProfile field, there's no more use for
this helper function.
2020-02-18 10:49:14 -08:00
rht 41e3db81be dependencies: Upgrade to Django 2.2.10.
Django 2.2.x is the next LTS release after Django 1.11.x; I expect
we'll be on it for a while, as Django 3.x won't have an LTS release
series out for a while.

Because of upstream API changes in Django, this commit includes
several changes beyond requirements and:

* urls: django.urls.resolvers.RegexURLPattern has been replaced by
  django.urls.resolvers.URLPattern; affects OpenAPI code and related
  features which re-parse Django's internals.
  https://code.djangoproject.com/ticket/28593
* test_runner: Change number to suffix. Django changed the name in this
  ticket: https://code.djangoproject.com/ticket/28578
* Delete now-unnecessary SameSite cookie code (it's now the default).
* forms: urlsafe_base64_encode returns string in Django 2.2.
  https://docs.djangoproject.com/en/2.2/ref/utils/#django.utils.http.urlsafe_base64_encode
* upload: Django's File.size property replaces _get_size().
  https://docs.djangoproject.com/en/2.2/_modules/django/core/files/base/
* process_queue: Migrate to new autoreload API.
* test_messages: Add an extra query caused by .refresh_from_db() losing
  the .select_related() on the Realm object.
* session: Sync SessionHostDomainMiddleware with Django 2.2.

There's a lot more we can do to take advantage of the new release;
this is tracked in #11341.

Many changes by Tim Abbott, Umair Waheed, and Mateusz Mandera squashed
are squashed into this commit.

Fixes #10835.
2020-02-13 16:27:26 -08:00
Tim Abbott fcac3a4342 recipients: Rename extract_recipients to extract_private_recipients.
Recent changes mean this function is now only used for private
messages.
2020-02-11 12:28:14 -08:00
Steve Howell 1b6578cafd messages: Fix bug with commas in stream names.
We now validate streams with a separate
function from PM recipients.

It's confusing enough all the ways you can
encode a stream or encode the PM recipients,
but trying to do it all in one function was
hard to reason about and led to at least one
bug.

In particular, there was a bug where streams
with commas in them would get split.  Now
we just don't ever split on commas inside
of `extract_stream_indicator`.

Fixes #13836
2020-02-11 12:20:54 -08:00
Steve Howell 96132fe0e9 extract_recipients: Enforce str as incoming type.
After removing internal_send_message() in a recent
commit, we now have only two callers for
extract_recipients, and they are both related
to our REQ mechanism that always passes strings
to converters.  (If there are default values,
REQ does not call the converters.)

We therefore make two changes:

    - use the more strict annotation of "str"
      for the `s` parameter

    - don't bother with the isinstance check
2020-02-11 12:20:54 -08:00
Steve Howell 8c3eaeb872 Remove obsolete internal_send_messages().
We have been phasing this out for a couple years,
and I fixed the last stragglers over the last
couple days.
2020-02-11 12:20:54 -08:00
Steve Howell c4e3cfebb0 presence: Add realm_id to UserPresence.
This index is intended to optimize the performance of the very
frequently run query of "what is the presence status of all users in a
realm?".

Main changes:
    - add realm_id to UserPresence
    - add index for realm_id
    - backfill realm_id for old rows
    - change all writes to UserPresence to include
      realm_id

The index is of this form:

    "zerver_userpresence_realm_id_5c4ef5a9" btree (realm_id)

We will create an index on (realm_id, timestamp) in a
future commit, but I think it's a bit faster if you do
the backfill before the index.

There's also a minor tweak to the populate_db script.
2020-02-10 17:21:45 -08:00
Steve Howell 6e40db4b1f minor: Fix misleading comments.
These comments were naming the wrong function.
2020-02-10 15:45:13 -08:00
Ryan Rehman 174b2abcfd settings: Migrate to stream_post_policy structure.
This commit includes a new `stream_post_policy` setting,
by replacing the `is_announcement_only` field from the Stream model,
which is done by mirroring the structure of the existing
`create_stream_policy`.

It includes the necessary schema and database migrations to migrate
the is_announcement_only boolean field to stream_post_policy,
a smallPositiveInteger field similar to many other settings.

This change is done to allow organization administrators to restrict
new members from creating and posting to a stream. However, this does
not affect admins who are new members.

With many tweaks by tabbott to documentation under /help, etc.

Fixes #13616.
2020-02-04 17:08:08 -08:00
Tim Abbott b25fea24e7 messages: Simplify API for use_first_unread_anchor.
Now that we have the type situation of having anchor support passing a
string, this is a much more natural way to implement
use_first_unread_anchor.

We still support the old interface to avoid breaking compatibility
with legacy versions of the mobile apps.
2020-01-29 12:17:03 -08:00
Tim Abbott 05108760f6 narrow: Add support for passing oldest/newest for anchor.
A wart that has long been present inin Zulip's get_messages API is how
to request "the latest messages" in the API.  Previously, the
recommendation was basically to pass anchor=10000000000000000 (for an
appropriately huge number). An accident of the server's implementation
meant that specific number of 0s was actually important to avoid a
buggy (or at least wasteful) value of found_newest=False if the query
had specified num_after=0 (since we didn't check).

This was the cause of the mobile issue
https://github.com/zulip/zulip-mobile/issues/3654.

The solution is to allow passing a special value of anchor='newest',
basically a special string-type value that the server can interpret as
meaning the user precisely just wants the most recent messages.  We
also add an analogous anchor='oldest' or similar to avoid folks
needing to write a somewhat ugly anchor=0 for fetching the very first
messages.

We may want to also replace the use_first_unread_anchor argument to be
a "first_unread" value for the anchor parameter.

While it's not always ideal to make a value have a variable type like
this, in this case it seems like a really clean way to express the
idea of what the user is asking for in the API.
2020-01-29 12:14:06 -08:00
Vishnu KS 05b4610381 bots: Remove feedback cross realm bot.
This completes the remaining pieces of removing this missed in
d70e799466 (mostly in tests).
2020-01-25 22:54:44 -08:00
Tim Abbott 79f18138f5 realm: Add private_message_policy setting.
This experimental setting disables sending private messages in Zulip
in a crude way (i.e. users get an error when they try to send one).
It makes no effort to adjust the UI to avoid advertising the idea of
sending private messages.

Fixes #6617.
2020-01-13 12:20:42 -08:00
Tim Abbott 7ccc8373e2 bugdown: Fix logic for extracting attachment path_id.
In 3892a8afd8, we restructured the
system for managing uploaded files to a much cleaner model where we
just do parsing inside bugdown.

That new model had potentially buggy handling of cases around both
relative URLs and URLS starting with `realm.host`.

We address this by further rewriting the handling of attachments to
avoid regular expressions entirely, instead relying on urllib for
parsing, and having bugdown output `path_id` values, so that there's
no need for any conversions between formats outside bugdowm.

The check_attachment_reference_change function for processing message
updates is significantly simplified in the process.

The new check on the hostname has the side effect of requiring us to
fix some previously weird/buggy test data.

Co-Author-By: Anders Kaseorg <anders@zulipchat.com>
Co-Author-By: Rohitt Vashishtha <aero31aero@gmail.com>
2019-12-12 20:30:26 -08:00
Tim Abbott 958f39a551 message_edit: Call check_attachment_reference_change unconditionally.
This removes the last of the messy use of regular expressions outside
bugdown to make decisions on whether a message contains an attachment
or not.  Centralizing questions about links to be decided entirely
within bugdown (rather than doing ad-hoc secondary parsing elsewhere)
makes the system cleaner and more robust.
2019-12-11 11:10:46 -08:00
Rohitt Vashishtha 3fbb050216 messages: Remove dependence on regex for claiming attachments.
This commit wraps up the work to remove basic regex based parsing
of messages to handle attachment claiming/unclaiming. We now use
the more dependable Bugdown processor to find potential links and
only operate upon those links instead of parsing the full message
content again.
2019-12-11 11:03:49 -08:00
Rohitt Vashishtha 3892a8afd8 messages: Set has_attachment correctly using Bugdown.
Previously, we would naively set has_attachment just by searching
the whole messages for strings like `/user_uploads/...`. We now
prevent running do_claim_attachments for messages that obviously
do not have an attachment in them that we previously ran.

For example: attachments in codeblocks or
             attachments that otherwise do not match our link syntax.

The new implementation runs that check on only the urls that
bugdown determines should be rendered. We also refactor some
Attachment tests in test_messages to test this change.

The new method is:

1. Create a list of potential_attachment_urls in Bugdown while rendering.
2. Loop over this list in do_claim_attachments for the actual claiming.
   For saving:
3. If we claimed an attachment, set message.has_attachment to True.
   For updating:
3. If claimed_attachment != message.has_attachment: update has_attachment.

We do not modify the logic for 'unclaiming' attachments when editing.
2019-12-11 11:03:44 -08:00
Rohitt Vashishtha 4674cc5098 bugdown: Set message.has_image while rendering message. 2019-12-11 17:01:41 +05:30
dustinheestand 157c98de99 bugdown: Correctly set has_link attribute on messages.
Now autolinks and message edits affect the has_link attribute on messages.
2019-12-11 17:01:41 +05:30