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Tim Abbott 7d250cb2f9 attachment: Fix handling of stream history.
This fixes two issues:

* Our guest users feature gave guest users access to public stream
  attachments even if they couldn't access the public stream.

* After a user joins a private stream with our new shared history
  feature, they couldn't see images uploaded before they joined.

The tests need to check for a few types of issues:
* The actual access control permissions.
* How many database queries are used in the various
  cases for that second model, especially with multiple messages
  referencing an attachment.  This function gets called a lot, and we
  want to keep it fast.

Fixes #9372.
2018-06-06 09:40:22 -07:00
.circleci circleci: Add support for Ubuntu Bionic. 2018-06-01 18:02:50 -07:00
.github github: Suggest GIFs too in PR template. 2018-02-16 09:59:22 -08:00
.tx translation: Add configuration for a `zulip-test` Transifex project. 2018-02-15 13:38:09 -08:00
analytics stats: Add 1 day actives and total users to number of users chart. 2018-05-20 10:56:16 -07:00
confirmation confirmation/models.py: Change use of typing.Text to str. 2018-05-12 15:22:39 -07:00
corporate corporate: Remove unused imports (F401). 2017-11-07 16:37:04 -08:00
docs docs: Document disabling unattended-upgrades. 2018-06-05 08:45:42 -07:00
frontend_tests org settings: Improve error handling status elements. 2018-06-06 09:00:35 -07:00
pgroonga pgroonga: Upgrade to PGroonga 2 API. 2018-05-31 13:00:34 -07:00
puppet nginx: Set X-Frame-Options header to DENY. 2018-05-30 09:24:17 -07:00
requirements requirements: Update thumbor dependencies. 2018-06-05 10:09:09 -07:00
scripts install-node: Upgrade to yarn 1.7.0. 2018-06-05 08:52:55 -07:00
static org settings: Improve error handling status elements. 2018-06-06 09:00:35 -07:00
templates portico: Restyle Why Zulip page. 2018-06-04 15:09:03 -07:00
tools tests: Disable test-queue-worker-reload test. 2018-06-05 09:24:03 -07:00
zerver attachment: Fix handling of stream history. 2018-06-06 09:40:22 -07:00
zilencer populate_db: Initialize the outgoing webhook bot properly. 2018-06-01 08:48:17 -07:00
zproject backends: Fix unnecessary duplicate query to realm in social auth. 2018-06-06 00:31:59 -07:00
zthumbor mypy: Rewrite sign_is_valid in zthumbor helpers.py for None secret_key. 2018-03-25 08:59:08 -07:00
.codecov.yml Try to avoid codecov spam. 2017-12-29 07:23:26 -05:00
.editorconfig Editing (minor): Add .pyi to .editorconfig. 2017-12-18 07:35:58 -05:00
.eslintignore zulip_ops: Delete the long-disused `stats1.zulip.net` config and its dependencies. 2017-08-15 17:30:31 -07:00
.eslintrc.json eslint: Enable space-infix-ops rule. 2018-06-05 00:47:35 +05:30
.gitattributes gitattributes: Treat .ogg files as binary. 2018-04-27 09:59:19 -07:00
.gitignore mypy: Add basic support for invoking dmypy to run-mypy. 2018-05-21 22:41:08 -07:00
.gitlint lint: Allow revert commit messages in gitlint. 2018-02-13 09:21:01 -08:00
.isort.cfg tornado: Fix logging of tornado activity level. 2018-04-17 15:59:01 -07:00
.npmignore
.travis.yml travis: Disable most suites in favor of CircleCI! 2018-01-31 11:10:03 -08:00
CODE_OF_CONDUCT.md repository: Add CODE_OF_CONDUCT.md. 2017-06-14 18:43:08 -07:00
CONTRIBUTING.md documentation: Migrate all CZO stream links to new stream URL style 2018-05-24 15:15:34 -07:00
Dockerfile-dev Move Dockerfile to Dockerfile-dev. 2017-09-25 12:32:33 -07:00
Dockerfile-postgresql docker: Add PGroonga support to Postgresql Dockerfile. 2018-05-23 11:53:32 -07:00
LICENSE docs: Move license declaration from README.md to LICENSE. 2017-11-14 16:04:23 -08:00
README.md README: Fix link to now- obsolete 1.7.1 release. 2018-04-25 12:00:07 -07:00
Vagrantfile Vagrantfile: Fix typo in spelling of problems. 2018-06-01 11:58:09 -07:00
manage.py Remove `from __future__ import absolute_import`. 2017-10-17 22:59:42 -07:00
mypy.ini mypy: Fix errors when trying to find the zulip Python project. 2018-06-04 11:48:36 -07:00
package.json yarn: Remove i18n packages that are no longer used. 2018-06-05 09:22:26 -07:00
version.py install-node: Upgrade to yarn 1.7.0. 2018-06-05 08:52:55 -07:00
yarn.lock yarn: Remove i18n packages that are no longer used. 2018-06-05 09:22:26 -07:00

README.md

Zulip overview

Zulip is a powerful, open source group chat application that combines the immediacy of real-time chat with the productivity benefits of threaded conversations. Zulip is used by open source projects, Fortune 500 companies, large standards bodies, and others who need a real-time chat system that allows users to easily process hundreds or thousands of messages a day. With over 300 contributors merging over 500 commits a month, Zulip is also the largest and fastest growing open source group chat project.

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Getting started

Click on the appropriate link below. If nothing seems to apply, join us on the Zulip community server and tell us what's up!

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You may also be interested in reading our blog or following us on twitter. Zulip is distributed under the Apache 2.0 license.