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phorge-phorge/support
epriestley 9777c66576 Allow Phabricator to run with "enable_post_data_reading" disabled
Summary:
Ref T13008. Depends on D18701. The overall goal here is to make turning `enable_post_data_reading` off not break things, so we can run rate limiting checks before we read file uploads.

The biggest blocker for this is that turning it off stops `$_FILES` from coming into existence.

This //appears// to mostly work. Specifically:

  - Skip the `max_post_size` check when POST is off, since it's meaningless.
  - Don't read or scrub $_POST at startup when POST is off.
  - When we rebuild REQUEST and POST before processing requests, do multipart parsing if we need to and rebuild FILES.
  - Skip the `is_uploaded_file()` check if we built FILES ourselves.

This probably breaks a couple of small things, like maybe `__profile__` and other DarkConsole triggers over POST, and probably some other weird stuff. The parsers may also need more work than they've received so far.

I also need to verify that this actually works (i.e., lets us run code without reading the request body) but I'll include that in the change where I update the actual rate limiting.

Test Plan:
  - Disabled `enable_post_data_reading`.
  - Uploaded a file with a vanilla upload form (project profile image).
  - Uploaded a file with drag and drop.
  - Used DarkConsole.
  - Submitted comments.
  - Created a task.
  - Browsed around.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13008

Differential Revision: https://secure.phabricator.com/D18702
2017-10-13 13:11:11 -07:00
..
aphlict/server Update AphlictClientServer to support ws2 or ws3 2017-08-11 15:17:07 -07:00
bin Ignore and README for support/bin 2013-04-03 12:58:39 -07:00
empty Various linter fixes. 2014-02-26 12:44:58 -08:00
lint Swap charts from gRaphael to D3 2016-02-01 10:36:59 -08:00
phame Delete license headers from files 2012-11-05 11:16:51 -08:00
PhabricatorStartup.php Allow Phabricator to run with "enable_post_data_reading" disabled 2017-10-13 13:11:11 -07:00