Combining OIDC and JWT authentication #2425
Replies: 6 comments 17 replies
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@sadovnikov are the service clients and browser clients reaching the same designation endpoint ? if not, you could split up intent (different path matches) into separate HTTPRoutes, and a different BackendTrafficPolicy config for each HTTPRoute |
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IMO, even though OIDC and JWT are both supported, they should be configured separately in different @sadovnikov I think you don't want OIDC authn for those requests that are not from browsers, right? In that case, a different HTTPRoute should be used and configured with JWT. |
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@zhaohuabing, thank you for the idea of using a different HTTP Route. I'll give it a try |
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@zhaohuabing, using two separate HTTP Routes on the same Interestingly enough, the browser clients, who do not send the |
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@sadovnikov Should the HTTPRoutes be at different paths？ Could you please paste the HTTPRoute and SecurityPolicy？ |
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I've done more tests. Now, JWT authentication takes precedence
I think, because both HTTP Routes are for the same I wonder if using both authentication methods on the same paths should be supported. With Ambassador, it's possible to control the order, in which the filters are applied, and conditionally skip the next filters.
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These two HTTPRoutes are equivalent, they both match the same requests sent to "reference-apps.platform-lab.internal.xxx.yyy/cbdp-k8s-sample-pr-195". So when the requests com in, they may be sent to one route or the other, depends on which HTTPRoute is the first one in the xDS route configuration, which is random. I suggest a configuration like this:
- apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
name: cbdp-k8s-sample-web-pr-195-jwt
namespace: reference-apps
spec:
hostnames:
- reference-apps.platform-lab.internal.xxx.yyy
parentRefs:
- group: gateway.networking.k8s.io
kind: Gateway
name: default
namespace: envoy-gateway-system
rules:
- backendRefs:
- group: ""
kind: Service
name: cbdp-k8s-sample-web-pr-195
port: 80
weight: 1
matches:
- path:
type: PathPrefix
value: /cbdp-k8s-sample-pr-195/application-endpoint
- apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
name: cbdp-k8s-sample-web-pr-195-oidc
namespace: reference-apps
spec:
hostnames:
- reference-apps.platform-lab.internal.xxx.yyy
parentRefs:
- group: gateway.networking.k8s.io
kind: Gateway
name: default
namespace: envoy-gateway-system
rules:
- backendRefs:
- group: ""
kind: Service
name: cbdp-k8s-sample-web-pr-195
port: 80
weight: 1
matches:
- path:
type: PathPrefix
value: /cbdp-k8s-sample-pr-195/user-endpointOr they can use different hostname such as "api.reference-apps.platform-lab.internal.xxx.yyy" and "www.reference-apps.platform-lab.internal.xxx.yyy"
I think we can put the jwt filter in front of the oauth2 filter, but I guess you wouldn't want OIDC for those requests that only need jwt. As I said, they serve different purposes. |
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@zhaohuabing, I understand your answer. Thank you! Most probably, now we'll go with using different hostnames. However, I think, the question of ordering and combining different authentication methods on the same "host/path" will be coming up from other users too |
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@sadovnikov Different authentication methods(Basic, JWT, OIDC, etc) can be combined in a Regarding the ordering, do you have any specific use cases that you need to change the order of the filters for different Route? |
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I don't see any header in the browser requests, but JWT auth lets them through. Does JWT authentication accept the
No, I do not. The current implementation may be good enough. However, if somebody adds Thanks again for your attention |
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Yes, JWT token can be extracted from cookies by configuring the |
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I was asking about this because currently we do not use |
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I got it. It could be a bug. Could you please raise an issue and attache related HTTPRoute and SecurityPolicy? We can track this in that issue. It will also be very useful if you could paste the configuration pushed to the envoy by execute "egctl config envoy-proxy all". If there're any sensitive information in the config, you can mask them before pasting the config. |
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I logged
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Not sure if this is the best place to ask but subject seems to be on point. We have OIDC provider configured as below: apiVersion: gateway.envoyproxy.io/v1alpha1
kind: SecurityPolicy
metadata:
name: foobar-public
spec:
targetRef:
group: gateway.networking.k8s.io
kind: HTTPRoute
name: foobar-public
# NOTE: when uncommented then shows: Jwt is not in the form of Header.Payload.Signature with two dots and 3 sections
# ^ after being successfully authenticated using OIDC
# jwt:
# providers:
# - name: jumpcloud
# remoteJWKS:
# uri: "https://oauth.id.jumpcloud.com/.well-known/jwks.json"
oidc:
provider:
issuer: "https://oauth.id.jumpcloud.com"
clientID: "FOOBAR"
clientSecret:
kind: Secret
name: "foobar-client-secret"
logoutPath: "/logout"
redirectURL: https://FOOBAR/oauth2/callback
scopes:
- openid
- emailWe can see that but how we can reference value from Cookie / Envoy / OIDC? 🤔 |
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@zhaohuabing shouldnt the JWT from OIDC live in |
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@arkodg @evilr00t We can enable A IMO, we can add an example in the user doc to show how to use jwtextractor to get the id token from OIDC. |
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ah thanks @zhaohuabing, what does the OIDC spec say, is the right home for the jwt ? |
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I'm not aware of any OIDC spec about placing the id token in HTTP headers. In the OIDC Authorization Code Flow, the id token is returned in the response body from the token endpoint. Normally, the |
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Raised an issue in Envoy upstream: envoyproxy/envoy#32805 to track this. |
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I'm testing OIDC authentication, which is planned for the
v1.0release and, so far, have not discovered any problems with OIDC implementation itself. However, I'm failing to create aSecurityPolicyor their combination to authorise requests using either JWT or OIDC.In our use case, the same URLs can be used
Currently, if OIDC authentication is configured, requests with valid JWT get redirected to the IDP.
Is there a way to configure the gateway to redirect to IDP only those requests that do not have a valid JWT token?
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