Horton

Re: [PoC] Federated Authn/z with OAUTHBEARER

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Jacob Champion <jacob.champion@enterprisedb.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Tom Lane <tgl@sss.pgh.pa.us>, Daniel Gustafsson <daniel@yesql.se>, Thomas Munro <thomas.munro@gmail.com>, Nazir Bilal Yavuz <byavuz81@gmail.com>, Andres Freund <andres@anarazel.de>, Peter Eisentraut <peter@eisentraut.org>, Antonin Houska <ah@cybertec.at>
Date: 2025-03-20T20:50:57Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. meson: Fix install-quiet after clean

  2. oauth: Run Autoconf tests with correct compiler flags

  3. Link libpq with libdl if the platform needs that.

  4. Doc: correct spelling of meson switch.

  5. oauth: Correct SSL dependency for libpq-oauth.a

  6. oauth: Fix Autoconf build on macOS

  7. oauth: Move the builtin flow into a separate module

  8. Remove a stray "pgrminclude" annotation

  9. oauth: Simplify copy of PGoauthBearerRequest

  10. oauth: Improve validator docs on interruptibility

  11. oauth: Disallow synchronous DNS in libcurl

  12. oauth: Fix postcondition for set_timer on macOS

  13. oauth: Use IPv4-only issuer in oauth_validator tests

  14. Work around OAuth/EVFILT_TIMER quirk on NetBSD.

  15. oauth: Fix incorrect const markers in struct

  16. Add missing entry to oauth_validator test .gitignore

  17. cirrus: Temporarily fix libcurl link error

  18. Add support for OAUTHBEARER SASL mechanism

  19. libpq: Handle asynchronous actions during SASL

  20. require_auth: prepare for multiple SASL mechanisms

  21. Move PG_MAX_AUTH_TOKEN_LENGTH to libpq/auth.h

  22. Make SASL max message length configurable

  23. jsonapi: fully initialize dummy lexer

  24. common/jsonapi: support libpq as a client

  25. Remove fe_memutils from libpgcommon_shlib

  26. Revert ECPG's use of pnstrdup()

  27. Explicitly require password for SCRAM exchange

  28. Refactor SASL exchange to return tri-state status

On Thu, Mar 20, 2025 at 01:33:26PM -0700, Jacob Champion wrote:
> That's more than I'd like, to be perfectly honest. I'm least happy
> about libssh, because we're not using SFTP but we have to pay for it.
> And the Deb-alikes add librtmp, which I'm not thrilled about either.
> 
> The rest are, IMO, natural dependencies of a mature HTTP client: the
> HTTP/1 and HTTP/2 engines, Punycode, the Public Suffix List, UTF
> handling, and common response compression types. Those are kind of
> part and parcel of communicating on the web. (If we find an HTTP
> client that does all those things itself, awesome, but then we have to
> ask how well they did it.)
> 
> So one question for the collective is -- putting Curl itself aside --
> is having a basic-but-usable OAuth flow, out of the box, worth the
> costs of a generic HTTP client? A non-trivial footprint *will* be
> there, whether it's one library or several, whether we delay-load it
> or not, whether we have the unused SFTP/RTMP dependencies or not. But
> we could still find ways to reduce that cost for people who aren't
> using it, if necessary.

One observation is that security scanning tools are going to see the
curl dependency and look at any CSVs related to them and ask us, whether
they are using OAUTH or not.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.