Colm O hEigeartaigh created CXF-7806:
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             Summary: Add option to create JWT access tokens without persisting 
them
                 Key: CXF-7806
                 URL: https://issues.apache.org/jira/browse/CXF-7806
             Project: CXF
          Issue Type: Task
            Reporter: Colm O hEigeartaigh
            Assignee: Colm O hEigeartaigh
             Fix For: 3.2.6


Right now for the OAuth 2.0 data provider, we can issue access tokens in JWT 
format by specifying the "useJwtFormatForAccessTokens" property. However this 
persists the encoded JWT token, something that is problematic with the JPA 
provider as the Id column of the AccessToken class can't handle the size of the 
token.

I propose to add a new property called "persistJwtEncoding" to be used in 
conjunction with "useJwtFormatForAccessTokens". By default "persistJwtEncoding" 
is true for backwards compatibility reasons.

When "persistJwtEncoding" is false, then the AccessToken that is persisted just 
contains the Id (opaque String) as for the non-useJwtFormatForAccessTokens 
case. However, the JWT-encoded access token is returned to the client.

For the AbstractAccessTokenValidator and the TokenIntrospectionService, we can 
also set "persistJwtEncoding" to false to validate and parse the received token 
into a JWTToken. The Id is then extracted from the token and used to retrieve 
the access token from storage.



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