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epriestley 5dec03af32 Make OAuth scope handling more flexible
Summary:
Ref T7303. Currently, our handling of "scope" is fairly rigid and adheres to the spec, but some of these behaviors don't make much sense in practice.

Soften some behaviors and make them more flexible:

**Soft Failure on Unknown Permissions**: If a client asks for a permission we don't know about, just warn that we don't recognize it instead of fataling. In particular, I plan to make `offline_access` and `whoami` implicit. Older clients that request these permissions will still work fine as long as we don't hard-fatal.

**Move `user.whoami` to ALWAYS scope**: Make `whoami` a default permission. We've already done this, in effect; this just formalizes it.

**Tokens no longer expire**: Make `offline_access` (infinite-duration tokens) a default permission. I think the OAuth model doesn't map well to reality. It is common for other providers to issue "temporary" tokens with a duration of multiple years, and the refesh workflow is sort of silly. We can add a "temporary" scope later if we need temporary tokens.

This flow was potentially extra silly with the "log out of Phacility" use case, where we might need to have you log in again before we could log you out, which is bizarre and senseless. Avoid this nonsense.

**Move away from granular permissions**: Users currently get to pick-and-choose which permissions they grant, but this likely rarely/never works in practice and is fairly hostile since applications can't communicate which permissions they need. Applications which can actually operate with only some subset of permissions can make separate requests (e.g., when you activate "cool feature X", it asks for X permission). I think applications that do this are rare; pretty much everything just asks for tons of permissions and everyone grants them.

Making this all-or-nothing is better for well-behaved applications and better for users. It's also slightly better for overzealous applications that ask for more than they need, but whatever. Users can make an informed decision, hopefully, and I plan to let administrators force applications to a subset of permissions once we introduce meaningful scopes.

Test Plan:
  - Generated tokens.
  - Used tokens.
  - Authorized an instance.
  - Faked some bogus scopes, got clean authorization.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T7303

Differential Revision: https://secure.phabricator.com/D15621
2016-04-05 13:53:33 -07:00
bin Provide bin/nuance import and ngram indexes for sources 2016-03-08 10:30:24 -08:00
conf Mark some strings for translation 2015-06-09 23:06:52 +10:00
externals Remove bogus '$this->resource' from SES error handling pathway 2016-04-05 13:19:07 -07:00
resources Allow OAuth applications to be disabled instead of destroyed 2016-04-05 13:22:05 -07:00
scripts Provide bin/nuance import and ngram indexes for sources 2016-03-08 10:30:24 -08:00
src Make OAuth scope handling more flexible 2016-04-05 13:53:33 -07:00
support Use AphrontRequestStream to read request input 2016-03-17 08:08:18 -07:00
webroot Update Batch Edit and Report pages 2016-04-05 07:24:47 -07:00
.arcconfig Use the configuration driven unit test engine 2015-08-11 07:57:11 +10:00
.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 Add custom Cows and Figlet directories to .gitignore 2015-10-08 20:23:05 -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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