Add support for PKCE Extension in OmniAuth OIDC #31131
Merged
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This pull request introduces a new optional environment variable of
OIDC_USE_PKCE
whose value must be"true"
for PKCE to be enabled.Since there's only two code_challenge_methods, and plain should not be used, and OmniAuth uses S256 by default, we only support enabling or disabling PKCE. It is disabled by default.
This was requested by @erlend-sh by accident on #30329 where he thought that pull request affected SSO, when it actually only affected our OAuth setup for API access. (at least, I think that's what happened, correct me if I'm wrong).