[JIRA] (JOIDC-91) Public clients are not able to access the token endpoint

[Henri Mikkonen (Jira)]

Henri Mikkonen ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A1614c4a5-c89e-4edc-9421-990bd6ea85fd ) *resolved* as *Fixed*

Refactored the OAuth2Client flow actions:

* *ExtractClientAuthenticationFromRequest* : build NO_CREDENTIALS event only if ‘none’ type is not enabled in the profile configuration
* *OIDCClientInfoCredentialValidator* : if ‘none’ is registered in the RP metadata, populate the subject already in the overriding doValidate() -method, before letting parent class to populate UsernamePasswordContext
* *ValidateClientAuthenticationType* : Don’t expect clientID to be found in all client authentication methods

Also improved token-flow testing to cover public client use cases.

IdP Plugin - OIDC OP ( https://shibboleth.atlassian.net/browse/JOIDC?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 ) / Bug ( https://shibboleth.atlassian.net/browse/JOIDC-91?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 ) JOIDC-91 ( https://shibboleth.atlassian.net/browse/JOIDC-91?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 ) Public clients are not able to access the token endpoint ( https://shibboleth.atlassian.net/browse/JOIDC-91?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 )

Change By: Henri Mikkonen ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A1614c4a5-c89e-4edc-9421-990bd6ea85fd ) Resolution: Fixed Status: In Progress Resolved

( https://shibboleth.atlassian.net/browse/JOIDC-91#add-comment?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 ) Add Comment ( https://shibboleth.atlassian.net/browse/JOIDC-91#add-comment?atlOrigin=eyJpIjoiMWY5NDFhZWI1MDkzNGE5MDlmYjQxMjQ2YjQyMWI4ZmYiLCJwIjoiaiJ9 )

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