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#12202 began a refactor of Forgejo's authentication implementations by providing structured data on an authentication success. However, error cases were maintained as-is in that refactor, leaving a complex situation: what does returning an error from an authentication method mean?; does it mean that the authentication failed, or that a server error occurred? Can another authentication still be tried? This PR changes authentication methods so that they can return one of four things: - `AuthenticationSuccess` with an authentication result. - `AuthenticationNotAttempted` which indicates that no credentials relevant for this authentication method were presented. If every method returned `AuthenticationNotAttempted`, then you would have an unauthenticated access. - `AuthenticationAttemptedIncorrectCredential` which indicates that credentials were present and failed validation -- a situation indicating a `401 Unauthorized`. - `AuthenticationError` which indicates that an internal server error occurred and failed authentication -- indicating a `500 Internal Server Error`. This paves the way for one more refactor coming next: `basic.go` and `oauth2.go` perform 3-4 different authentications each (access tokens, oauth JWTs, actions tokens, actions JWTs, and username/password). With the capability to return these more precise responses, these authentication methods can be split up into separate logic that isn't intertwined together. ## Checklist The [contributor guide](https://forgejo.org/docs/next/contributor/) contains information that will be helpful to first time contributors. All work and communication must conform to Forgejo's [AI Agreement](https://codeberg.org/forgejo/governance/src/branch/main/AIAgreement.md). There also are a few [conditions for merging Pull Requests in Forgejo repositories](https://codeberg.org/forgejo/governance/src/branch/main/PullRequestsAgreement.md). You are also welcome to join the [Forgejo development chatroom](https://matrix.to/#/#forgejo-development:matrix.org). ### Tests for Go changes - I added test coverage for Go changes... - [ ] in their respective `*_test.go` for unit tests. - [ ] in the `tests/integration` directory if it involves interactions with a live Forgejo server. - Relying on existing test suite, with changes for any compile errors -- the next refactor will simplify the auth methods so that they can be unit tested easily. - I ran... - [x] `make pr-go` before pushing ### Documentation - [ ] I created a pull request [to the documentation](https://codeberg.org/forgejo/docs) to explain to Forgejo users how to use this change. - [x] I did not document these changes and I do not expect someone else to do it. ### Release notes - [ ] This change will be noticed by a Forgejo user or admin (feature, bug fix, performance, etc.). I suggest to include a release note for this change. - [x] This change is not visible to a Forgejo user or admin (refactor, dependency upgrade, etc.). I think there is no need to add a release note for this change. Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/12231 Reviewed-by: Gusted <gusted@noreply.codeberg.org> |
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