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DEP for RFC 8693 OAuth 2 Token Exchange #2812

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merged 1 commit into from
Mar 14, 2023

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seankhliao
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Overview

DEP for RFC 8693 OAuth 2.0 Token Exchange / grant_type urn:ietf:params:oauth:grant-type:token-exchange

What this PR does / why we need it

Discussion / design requested before implementation

Special notes for your reviewer

Does this PR introduce a user-facing change?

NONE

@sagikazarmark
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@seankhliao I really appreciate writing this up. We'll take a look as soon as we can!

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@nabokihms nabokihms left a comment

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I have a couple of questions, but overall it looks solid. Thank you, @seankhliao.


## Summary

[RFC 8693] specifies a new OAuth2 `grant_type` of `urn:ietf:params:oauth:grant-type:token-exchange`.
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Note: do not forget to add it to the list of supported grants of the discovery endpoint.
(just to not forget)

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I probably would have forgotten...

docs/enhancements/token-exchange-2023-02-03-#2812.md Outdated Show resolved Hide resolved
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@nabokihms
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I started thinking users may want to disable this grant because it opens a new attack surface. We have this option for password credentials granted, but with the current design, it will not be possible to restrict the possibility of exchanging a token.

The easiest way to solve this issue is to add a global setting that configures allowed grants.

@seankhliao seankhliao force-pushed the dep-token-exchnage branch 3 times, most recently from 6d1eddc to 2ac5369 Compare March 1, 2023 08:27
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I've added a mention of global/connector settings in the UX section.
eg for us, we'll likely want our Okta (human) connector to disallow it,
only allowing it for our CI connector.

@seankhliao seankhliao requested review from nabokihms and removed request for sagikazarmark March 1, 2023 08:31
Co-authored-by: Kim Hallberg <hallberg.kim@gmail.com>
Signed-off-by: Sean Liao <sean+git@liao.dev>
@nabokihms nabokihms added the release-note/ignore Ignore this change when generating release notes label Mar 13, 2023
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From my perspective, the proposal is solid enough to be implemented! Good job.
@sagikazarmark, since this will be a significant change, do you want to add something to the design stage?

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Apologies for not being more involved in this proposal. Great work everyone!

I do have a couple questions, but we can iron those out in the implementation. The proposal looks good to me.

The easiest way to solve this issue is to add a global setting that configures allowed grants.

If the goal is for users to stay safe, adding an opt-out flag may not be enough as a simple upgrade will enable the feature by default. I'm not saying it's a bad choice, just something to think about.

@nabokihms nabokihms merged commit 737c97b into dexidp:master Mar 14, 2023
@seankhliao seankhliao deleted the dep-token-exchnage branch March 21, 2023 14:27
xtremerui pushed a commit to concourse/dex that referenced this pull request May 25, 2023
The official container image for this release can be pulled from
```
ghcr.io/dexidp/dex:v2.36.0
```

<!-- Release notes generated using configuration in .github/release.yml at v2.36.0 -->

## What's Changed
### Enhancements 🚀
* TLS configure for OIDC connector by @xtremerui in dexidp#1632
* Add icon for gitea by @pinpox in dexidp#2733
* fix: Do not use connector data from the refresh token field by @nabokihms in dexidp#2729
* Add preferredEmailDomain config option for GitHub connector by @nobuyo in dexidp#2740
* Move unique functionality into getGroups to reduce calls to google by @snuggie12 in dexidp#2628
* fix: prevent server-side request forgery using Kubernetes storage by @nabokihms in dexidp#2479
* fix: return 401 if password is invalid by @nabokihms in dexidp#2796
* feat: Add default robots.txt by @nabokihms in dexidp#2834
* Skip redirection to approval when it is not required (dexidp#2686) by @nobuyo in dexidp#2805
* feat: Bump dependencies and Makefile refactoring by @nabokihms in dexidp#2844
### Bug Fixes 🐛
* Make admin email optional when no service account path is configured by @sagikazarmark in dexidp#2695
* Only initialize google admin service if necessary by @sagikazarmark in dexidp#2700
### Dependency Updates ⬆️
* build(deps): bump golang from 1.19.1-alpine3.16 to 1.19.2-alpine3.16 by @dependabot in dexidp#2697
* fix: Update gomplate version to 3.11.3 fix CVE-2022-27665 by @nabokihms in dexidp#2705
* build(deps): bump github.com/spf13/cobra from 1.5.0 to 1.6.0 by @dependabot in dexidp#2708
* build(deps): bump github.com/stretchr/testify from 1.8.0 to 1.8.1 by @dependabot in dexidp#2715
* build(deps): bump google.golang.org/api from 0.98.0 to 0.101.0 by @dependabot in dexidp#2720
* build(deps): bump github.com/mattn/go-sqlite3 from 1.14.15 to 1.14.16 by @dependabot in dexidp#2721
* build(deps): bump aquasecurity/trivy-action from 0.7.1 to 0.8.0 by @dependabot in dexidp#2723
* build(deps): bump github.com/spf13/cobra from 1.6.0 to 1.6.1 by @dependabot in dexidp#2718
* build(deps): bump golang from 1.19.2-alpine3.16 to 1.19.3-alpine3.16 by @dependabot in dexidp#2724
* build(deps): bump alpine from 3.16.2 to 3.17.0 by @dependabot in dexidp#2746
* build(deps): bump github.com/prometheus/client_golang from 1.13.0 to 1.14.0 by @dependabot in dexidp#2735
* build(deps): bump go.etcd.io/etcd/client/pkg/v3 from 3.5.5 to 3.5.6 by @dependabot in dexidp#2744
* build(deps): bump github.com/Masterminds/sprig/v3 from 3.2.2 to 3.2.3 by @dependabot in dexidp#2751
* build(deps): bump golang from 1.19.3-alpine3.16 to 1.19.4-alpine3.16 by @dependabot in dexidp#2750
* build(deps): bump golang.org/x/crypto from 0.3.0 to 0.4.0 by @dependabot in dexidp#2755
* build(deps): bump go.etcd.io/etcd/client/v3 from 3.5.5 to 3.5.6 by @dependabot in dexidp#2743
* build(deps): bump github.com/go-sql-driver/mysql from 1.6.0 to 1.7.0 by @dependabot in dexidp#2754
* build(deps): bump helm/kind-action from 1.4.0 to 1.5.0 by @dependabot in dexidp#2758
* build(deps): bump google.golang.org/grpc from 1.50.1 to 1.51.0 by @dependabot in dexidp#2741
* build(deps): bump google.golang.org/api from 0.101.0 to 0.104.0 by @dependabot in dexidp#2753
* build(deps): bump google.golang.org/grpc from 1.49.0 to 1.51.0 in /api/v2 by @dependabot in dexidp#2742
* build(deps): bump golang.org/x/net from 0.3.0 to 0.4.0 by @dependabot in dexidp#2761
* build(deps): bump entgo.io/ent from 0.11.3 to 0.11.4 by @dependabot in dexidp#2725
* build(deps): bump google.golang.org/api from 0.104.0 to 0.105.0 by @dependabot in dexidp#2760
* build(deps): bump golang.org/x/net from 0.4.0 to 0.5.0 by @dependabot in dexidp#2774
* build(deps): bump google.golang.org/api from 0.105.0 to 0.106.0 by @dependabot in dexidp#2772
* build(deps): bump github.com/coreos/go-oidc/v3 from 3.4.0 to 3.5.0 by @dependabot in dexidp#2770
* build(deps): bump golang.org/x/crypto from 0.4.0 to 0.5.0 by @dependabot in dexidp#2773
* build(deps): bump golang.org/x/oauth2 from 0.3.0 to 0.4.0 by @dependabot in dexidp#2777
* build(deps): bump entgo.io/ent from 0.11.4 to 0.11.5 by @dependabot in dexidp#2779
* build(deps): bump alpine from 3.17.0 to 3.17.1 by @dependabot in dexidp#2780
* build(deps): bump mheap/github-action-required-labels from 2 to 3 by @dependabot in dexidp#2769
* build(deps): bump google.golang.org/api from 0.106.0 to 0.107.0 by @dependabot in dexidp#2788
* build(deps): bump golang from 1.19.4-alpine3.16 to 1.19.5-alpine3.16 by @dependabot in dexidp#2782
* build(deps): bump google.golang.org/grpc from 1.51.0 to 1.52.0 by @dependabot in dexidp#2783
* build(deps): bump google.golang.org/api from 0.107.0 to 0.108.0 by @dependabot in dexidp#2793
* build(deps): bump google.golang.org/grpc from 1.51.0 to 1.52.0 in /api/v2 by @dependabot in dexidp#2784
* chore: Upgrade golangci-lint to v1.50.1 from v1.46.0 by @dlipovetsky in dexidp#2790
* ci: Use go 1.19 by @dlipovetsky in dexidp#2791
* build(deps): bump go.etcd.io/etcd/client/v3 from 3.5.6 to 3.5.7 by @dependabot in dexidp#2798
* build(deps): bump docker/build-push-action from 3 to 4 by @dependabot in dexidp#2807
* build(deps): bump golang from 1.19.5-alpine3.16 to 1.20.0-alpine3.16 by @dependabot in dexidp#2811
* build(deps): bump aquasecurity/trivy-action from 0.8.0 to 0.9.0 by @dependabot in dexidp#2810
* build(deps): bump alpine from 3.17.1 to 3.17.2 by @dependabot in dexidp#2821
* build(deps): bump aquasecurity/trivy-action from 0.9.0 to 0.9.1 by @dependabot in dexidp#2822
* build(deps): bump entgo.io/ent from 0.11.5 to 0.11.8 by @dependabot in dexidp#2823
* build(deps): bump golang.org/x/crypto from 0.5.0 to 0.6.0 by @dependabot in dexidp#2818
* build(deps): bump golang.org/x/net from 0.5.0 to 0.7.0 by @dependabot in dexidp#2828
* build(deps): bump golang.org/x/net from 0.4.0 to 0.7.0 in /api/v2 by @dependabot in dexidp#2832
* build(deps): bump golang.org/x/sys from 0.0.0-20220114195835-da31bd327af9 to 0.1.0 in /examples by @dependabot in dexidp#2837
* build(deps): bump golang.org/x/net from 0.0.0-20220114011407-0dd24b26b47d to 0.7.0 in /examples by @dependabot in dexidp#2846
* build(deps): bump golang from 1.20.0-alpine3.16 to 1.20.1-alpine3.16 by @dependabot in dexidp#2827
* build(deps): bump aquasecurity/trivy-action from 0.9.1 to 0.9.2 by @dependabot in dexidp#2850
* build(deps): bump golang from 1.20.1-alpine3.16 to 1.20.2-alpine3.16 by @dependabot in dexidp#2849
* feat: Bump gomplate 3.11.4 by @nabokihms in dexidp#2840
* build(deps): bump golang.org/x/crypto from 0.6.0 to 0.7.0 by @dependabot in dexidp#2856
* build(deps): bump golang.org/x/oauth2 from 0.4.0 to 0.6.0 by @dependabot in dexidp#2847
* build(deps): bump google.golang.org/api from 0.108.0 to 0.112.0 by @dependabot in dexidp#2853
* build(deps): bump google.golang.org/api from 0.112.0 to 0.114.0 by @dependabot in dexidp#2869
* build(deps): bump actions/setup-go from 3 to 4 by @dependabot in dexidp#2863
* build(deps): bump github.com/russellhaering/goxmldsig from 1.2.0 to 1.3.0 by @dependabot in dexidp#2862
* build(deps): bump google.golang.org/protobuf from 1.28.1 to 1.30.0 by @dependabot in dexidp#2866
* build(deps): bump google.golang.org/protobuf from 1.28.1 to 1.30.0 in /api/v2 by @dependabot in dexidp#2867
* build(deps): bump golang.org/x/crypto from 0.0.0-20220112180741-5e0467b6c7ce to 0.1.0 in /examples by @dependabot in dexidp#2845
* build(deps): bump google.golang.org/grpc from 1.52.0 to 1.53.0 in /api/v2 by @dependabot in dexidp#2816
* chore: upgrade tools by @sagikazarmark in dexidp#2870
### Other Changes
* Bump image in examples/k8s/dex.yaml to v2.32.0 by @stealthybox in dexidp#2569

## New Contributors
* @pinpox made their first contribution in dexidp#2733
* @nobuyo made their first contribution in dexidp#2740
* @dlipovetsky made their first contribution in dexidp#2790
* @seankhliao made their first contribution in dexidp#2812
* @stealthybox made their first contribution in dexidp#2569

**Full Changelog**: dexidp/dex@v2.35.3...v2.36.0
Cedric-Magnan pushed a commit to Cedric-Magnan/dex that referenced this pull request May 29, 2023
Signed-off-by: Sean Liao <sean+git@liao.dev>
Co-authored-by: Kim Hallberg <hallberg.kim@gmail.com>
palexster pushed a commit to palexster/dex that referenced this pull request Oct 4, 2023
Signed-off-by: Sean Liao <sean+git@liao.dev>
Co-authored-by: Kim Hallberg <hallberg.kim@gmail.com>
michaelliau pushed a commit to FlockFreight/dex that referenced this pull request Oct 4, 2023
Signed-off-by: Sean Liao <sean+git@liao.dev>
Co-authored-by: Kim Hallberg <hallberg.kim@gmail.com>
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