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4 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Mathieu Fenniak
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9b88e77c19 |
feat: expose immutable identifiers in Forgejo Actions JWTs (#12355)
Protect OIDC tokens generated by Forgejo Actions from threats arising when users or repositories are renamed or deleted, freeing their names up for reuse by another user. In this threat environment, relying on the name of users and repositories in validating JWT claims is unsafe because they can change. Adds three new claims to Actions' OIDC tokens: - `actor_id` -- the immutable identifier of the actor who triggered an Action run - `repository_id` -- the immutable identifier of the repository on which the Action is running - `repository_owner_id` -- the immutable identifier of the owner of the repository on which the Action is running Repositories will change their subject (`sub`) OIDC claims to include these immutable identifiers. Existing repositories will not change, in order to maintain compatibility with existing JWT usage. The new format will be applied to new repositories, or can be applied by disabling and enabling the Actions unit. The new format embeds the identifiers: - **Existing repos:** `repo:my-org/my-repo:ref:refs/heads/main` - **New repos:** `repo:my-org-123456/my-repo-456789:ref:refs/heads/main` Fixes #12244. ## 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... - [x] in their respective `*_test.go` for unit tests. - [ ] in the `tests/integration` directory if it involves interactions with a live Forgejo server. - I ran... - [x] `make pr-go` before pushing ### Documentation - [x] I created a pull request [to the documentation](https://codeberg.org/forgejo/docs) to explain to Forgejo users how to use this change. - New fields will be added to documentation soon. - [ ] I did not document these changes and I do not expect someone else to do it. ### Release notes - [x] 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. - [ ] 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/12355 Reviewed-by: Andreas Ahlenstorf <aahlenst@noreply.codeberg.org> |
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|
Mathieu Fenniak
|
7fc236c589 |
feat: allow Forgejo Actions to be used an Authorized Integration in-memory with internal issuer (#12364)
Allow JWTs that are generated by Forgejo Actions to be validated within Forgejo in-memory. Without any special support for this internal access situation, these problems would occur: 1. Forgejo would need to make an HTTP request to itself to get the valid public key for the JWT, in order to validate its signature. This is a waste of resources, and introduces a self-DoS risk. 2. Forgejo would need to be available via TLS in order for Actions to make service calls to Forgejo with that JWT, due to the TLS requirement for public key fetching. This would be a blocker for writing end-to-end tests for Forgejo, but also would affect users who do not host Forgejo with TLS. 3. Authorized Integrations would need to be saved with the `issuer` URL of Forgejo. If Forgejo's own `setting.AppURL` changed, all the persisted records in the database would become incorrect. ## 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... - [x] in their respective `*_test.go` for unit tests. - [x] in the `tests/integration` directory if it involves interactions with a live Forgejo server. - 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/12364 Reviewed-by: Andreas Ahlenstorf <aahlenst@noreply.codeberg.org> |
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|
Mathieu Fenniak
|
bdd2a1def7 |
fix: prevent actions workflows from generating OIDC tokens if not authorized in workflow (#12030)
When using Forgejo's `enable-openid-connect: true`, a URL is generated into the actions under `$ACTIONS_ID_TOKEN_REQUEST_URL` that can be used to generate a JWT for accessing third-party resources authenticated as the action executing in this server on this repo. However, the endpoint of that url (`.../idtoken`) had unintentionally missed a `return` on an internal server error, and was missing a check that the action actually had `enable-openid-connect: true` on it. As a result, it was possible to generate a JWT for accessing third-party resources from an action that wasn't expected to be generating JWTs. In terms of real-world vulnerability, the most likely risk is that the JWT could be generated from a forked pull request. By not using the `$ACTIONS_ID_TOKEN_REQUEST_URL` and instead going directly to the `.../idtoken` endpoint, and parsing a generated JWT response that will be mixed with an error response, it's possible to retrieve a JWT in a forked pull request. It would require a slight misconfiguration on a third-party system to allow that JWT access, but it's a plausible risk. As this is a feature in Forgejo 15 that hasn't been released, it will be fixed in-public. ## 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 (can be removed for JavaScript changes) - I added test coverage for Go changes... - [ ] in their respective `*_test.go` for unit tests. - [x] in the `tests/integration` directory if it involves interactions with a live Forgejo server. - 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. - Feature is not yet released. Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/12030 Reviewed-by: Andreas Ahlenstorf <aahlenst@noreply.codeberg.org> Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net> Co-committed-by: Mathieu Fenniak <mathieu@fenniak.net> |
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Mario Minardi
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c84cbd56a1 |
feat: add OIDC workload identity federation support (#10481)
Add support for OIDC workload identity federation.
Add ID_TOKEN_SIGNING_ALGORITHM, ID_TOKEN_SIGNING_PRIVATE_KEY_FILE, and
ID_TOKEN_EXPIRATION_TIME settings to settings.actions to allow for admin
configuration of this functionality.
Add OIDC endpoints (/.well-known/openid-configuration and /.well-known/keys)
underneath the "/api/actions" route.
Add a token generation endpoint (/_apis/pipelines/workflows/{run_id}/idtoken)
underneath the "/api/actions" route.
Depends on: https://code.forgejo.org/forgejo/runner/pulls/1232
Docs PR: https://codeberg.org/forgejo/docs/pulls/1667
Signed-off-by: Mario Minardi <mminardi@shaw.ca>
## Checklist
The [contributor guide](https://forgejo.org/docs/next/contributor/) contains information that will be helpful to first time contributors. 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
- I added test coverage for Go changes...
- [x] in their respective `*_test.go` for unit tests.
- [x] in the `tests/integration` directory if it involves interactions with a live Forgejo server.
- I added test coverage for JavaScript changes...
- [ ] in `web_src/js/*.test.js` if it can be unit tested.
- [ ] in `tests/e2e/*.test.e2e.js` if it requires interactions with a live Forgejo server (see also the [developer guide for JavaScript testing](https://codeberg.org/forgejo/forgejo/src/branch/forgejo/tests/e2e/README.md#end-to-end-tests)).
### Documentation
- [x] I created a pull request [to the documentation](https://codeberg.org/forgejo/docs) to explain to Forgejo users how to use this change.
- [ ] I did not document these changes and I do not expect someone else to do it.
### Release notes
- [ ] I do not want this change to show in the release notes.
- [ ] I want the title to show in the release notes with a link to this pull request.
- [ ] I want the content of the `release-notes/<pull request number>.md` to be be used for the release notes instead of the title.
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/10481
Reviewed-by: Mathieu Fenniak <mfenniak@noreply.codeberg.org>
Co-authored-by: Mario Minardi <mminardi@shaw.ca>
Co-committed-by: Mario Minardi <mminardi@shaw.ca>
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