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epriestley 40d3bcb891 Fix a complicated object caching issue with the policy filter
Summary:
Fixes T11853. To set this up:

  - Create "Project A".
  - Join "Project A".
  - Create a subproject, "Project A Subproject 1".
    - This causes Project A to become a parent project.
    - This moves you to be a member of "Project A Subproject 1" instead of "Project A" directly.
  - Create another subproject, "Project A Subproject 2".
    - Do not join this subproject.
  - Set the second subproject's policy to "Visible To: Members of Project A".
  - Try to edit the second subproject.

Before this change, this fails:

  - When querying projects, we sometime try to skip loading the viewer's membership in ancestor projects as a small optimization.
  - Via `PhabricatorExtendedPolicyInterface`, we may then return the parent project to the policy filter for extended checks.
  - The PolicyFilter has an optimization: if we're checking an object, and we already have that object, we can just use the object we already have. This is common and useful.
  - However, in this case it causes us to reuse an incomplete object (an object without proper membership information). We fail a policy check which we should pass.

Instead, don't skip loading the viewer's membership in ancestor projects.

Test Plan:
  - Did all that stuff above.
  - Could edit the subproject.
  - Ran `arc unit --everything`.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11853

Differential Revision: https://secure.phabricator.com/D16840
2016-11-11 13:42:18 -08:00
bin Add a skeleton for Calendar notifications 2016-11-01 10:41:15 -07:00
conf Support "ssl.chain" in Aphlict configuration 2016-04-14 10:41:21 -07:00
externals Backport fix from php-mime-mail-parser to fix attachment parsing 2016-09-21 15:04:20 -07:00
resources Clean up fullscreen remarkup UI 2016-11-10 08:09:07 -08:00
scripts Remove ancient "Holiday" storage 2016-11-01 16:03:44 -07:00
src Fix a complicated object caching issue with the policy filter 2016-11-11 13:42:18 -08:00
support Blanket reject request which may have been poisoned by a "Proxy" header to mitigate the httpoxy vulnerability 2016-07-21 20:18:06 -07:00
webroot Clean up fullscreen remarkup UI 2016-11-10 08:09:07 -08:00
.arcconfig Set "history.immutable" to "false" explicitly in .arcconfig 2016-08-03 08:12:49 -07:00
.arclint Begin adding test coverage to GitHub Events API parsers 2016-03-09 09:30:07 -08:00
.arcunit Use the configuration driven unit test engine 2015-08-11 07:57:11 +10:00
.editorconfig Fix text lint issues 2015-02-12 07:00:13 +11:00
.gitignore Make i18n string extraction faster and more flexible 2016-07-04 10:23:30 -07:00
LICENSE Fix text lint issues 2015-02-12 07:00:13 +11:00
NOTICE Update Phabricator NOTICE file to reflect modern legal circumstances 2014-06-25 13:42:13 -07:00
README.md Remove push to IRC from "readme.md" too 2015-10-24 18:39:16 -07:00

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