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Posted to dev@knox.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/01/07 18:14:00 UTC

[jira] [Work logged] (KNOX-2149) Knox JWTTokenProvider - JWT verification with OIDC provider by invoking JWKS verification url

     [ https://issues.apache.org/jira/browse/KNOX-2149?focusedWorklogId=367631&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-367631 ]

ASF GitHub Bot logged work on KNOX-2149:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Jan/20 18:13
            Start Date: 07/Jan/20 18:13
    Worklog Time Spent: 10m 
      Work Description: risdenk commented on issue #216: KNOX-2149 - JWTTokenProvider - JWT verification with OIDC provider by invoking JWKS verification url
URL: https://github.com/apache/knox/pull/216#issuecomment-571705644
 
 
   Pulling this locally to cleanup a few formatting things before merging.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 367631)
    Time Spent: 7h 50m  (was: 7h 40m)

> Knox JWTTokenProvider - JWT verification with OIDC provider by invoking JWKS verification url
> ---------------------------------------------------------------------------------------------
>
>                 Key: KNOX-2149
>                 URL: https://issues.apache.org/jira/browse/KNOX-2149
>             Project: Apache Knox
>          Issue Type: New Feature
>          Components: KnoxSSO
>            Reporter: Saravanan Sathyamoorthy
>            Assignee: Neeraj Verma
>            Priority: Major
>          Time Spent: 7h 50m
>  Remaining Estimate: 0h
>
> Current capability in Apache Knox - 
>  Knox has pac4j provider ([https://knox.apache.org/books/knox-0-12-0/user-guide.html#Pac4j+Provider+-+CAS+/+OAuth+/+SAML+/+OpenID+Connect]) that provides OIDC support ( [https://knox.apache.org/books/knox-0-12-0/user-guide.html#For+OpenID+Connect+support:]) However this only works for UI applications.
> For REST API -> we need to use JWT token provider ( [https://knox.apache.org/books/knox-0-12-0/user-guide.html#JWT+Provider]) that takes .pem file ( certificate with public key to decrypt the token) as argument.
>  Implementation class -> [https://github.com/apache/knox/blob/master/gateway-provider-security-jwt/src/main/java/org/apache/knox/gateway/provider/federation/jwt/filter/JWTFederationFilter.java] - takes (public static final String SSO_VERIFICATION_PEM = "sso.token.verification.pem" ) as argument.
> This .pem file is parsed to get the public key to validate the token.
>  // token verification pem
>      String verificationPEM = filterConfig.getInitParameter(SSO_VERIFICATION_PEM);
>      // setup the public key of the token issuer for verification
>      if (verificationPEM != null) {
>        publicKey = CertificateUtils.parseRSAPublicKey(verificationPEM);
>      }
>  
> .Resolution:
>  Option 1 - We can change the code to pass the public key and use it for token validation. Down side is every time we change the key there should be a Knox config change.
>  Option 2 - We can change the code to pass the JWKS verification url and if a key is changed - no knox config change is required. Change done to support using JWKS verification url to validate the token :
>  We selected Option 2 to make things more robust.
>  Class JWTFederationFilter was changed to get an additional parameter (JWKS verification url) and code to use this url to get the public key and then use this to validate the token. This approach will make it easy to maange for key rotation.
>  Library used is - [https://github.com/okta/okta-jwt-verifier-java]



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