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Draft: feat(translation): expand sources of JWKS required to validate JWTs #4684

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@sgargan sgargan commented Nov 8, 2024

Currently only HTTPS endpoints are supported via remoteJWKS field of the JWTProvider. This is deprecated in favour of a jwksSource field that expands the available locations JWKS content can be retrieved from. Sources include an inline string in the source resource, a local file in the Gateway Container or from a Configmap/Secret.

This is a draft of the proposed JWKSource structure for discussion ahead of implentation.

Fixes #2419

@sgargan sgargan requested a review from a team as a code owner November 8, 2024 15:29
…required to validate JWTs

Currently only HTTPS endpoints are supported via remoteJWKS field of
the JWTProvider. This is deprecated in favor of a jwksSource field that
expands the available locations JWKS content can be retireved from.
Sources include an inline string in the source resource, a local file
in the Gateway Container or from a Configmap/Secret.

Signed-off-by: Steve Gargan <[email protected]>
// Inline, URI and Configmap/Secret contents are supported.
//
// +optional
JWKSSource *JWKSSource `json:"jwksSource"`
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I like the jwks.Type idea !
we have been meaning to also add a backendRefs field to remoteJwks so upstream connection/traffic parameters can be controlled, relates to #3536

so the 2 options here are

  1. Represent backendRefs as a Type
  2. Keep the remoteJwks field, and add a new one localJwks to support the inline and valueRef cases

cc @envoyproxy/gateway-maintainers

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@zhaohuabing zhaohuabing Nov 15, 2024

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+1 for 2 as the structure is more straightfoward and less levels. It's a bit messy to add BackendCluster, URL, inline, and valueRef in a single structure.

      remoteJWKS:
        backendRefs:
        - group: gateway.envoyproxy.io
          kind: Backend
          name: backend-fqdn
          port: 443
        backendSettings:
          retry:
            numRetries: 3
            perRetry:
              backOff:
                baseInterval: 1s
                maxInterval: 5s
            retryOn:
              triggers: ["5xx", "gateway-error", "reset"]
      localJWKS:
        type: inline
        vaule: xxxxxxx

    jwksSource:
      type: BackendCluster
      backendCluster:
        backendRefs:
        - group: gateway.envoyproxy.io
          kind: Backend
          name: backend-fqdn
          port: 443
        backendSettings:
          retry:
            numRetries: 3
            perRetry:
              backOff:
                baseInterval: 1s
                maxInterval: 5s
            retryOn:
              triggers: ["5xx", "gateway-error", "reset"]

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+1 for 2

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thanks for sharing your thoughts folks, lets go with 2.

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@sgargan link error:

Error: ./api/v1alpha1/jwt_types.go:28: specfied ==> specified

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Consider supporting localJWKS for JWT Authentication
4 participants