[ 
https://issues.apache.org/jira/browse/OLTU-179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Rikard Swahn updated OLTU-179:
------------------------------
    Description: 
Client credentials should not be required for any other flow than the client 
credentials flow. It is required in Oltu in the "Resource Owner Password 
Credentials Grant", "Authorization code Grant" and when refreshing tokens.

About refreshing access tokens, taken from 
http://tools.ietf.org/html/rfc6749#page-47 :
"If the client type is confidential or
   the client was issued client credentials (or assigned other
   authentication requirements), the client MUST authenticate with the
   authorization server as described in Section 3.2.1."
   
About the Resource Owner Password Credentials Grant, taken from 
http://tools.ietf.org/html/rfc6749#page-37 :
"If the client type is confidential or the client was issued client
   credentials (or assigned other authentication requirements), the
   client MUST authenticate with the authorization server as described
   in Section 3.2.1.  

About the "Authorization code Grant" 
http://tools.ietf.org/html/rfc6749#section-4.1.3 :
  If the client type is confidential or the client was issued client
   credentials (or assigned other authentication requirements), the
   client MUST authenticate with the authorization server as described
   in Section 3.2.1.

Note however that for the "Authorization code Grant" the "client_id" param is 
required if client credentials are not given.

So the validators for these cases should not set enforceClientAuthentication = 
true.

  was:
Client credentials should not be required for any other flow than the client 
credentials flow. It is required in Oltu in the "Resource Owner Password 
Credentials Grant", "Authorization code Grant" and when refreshing tokens.

About refreshing access tokens, taken from 
http://tools.ietf.org/html/rfc6749#page-47 :
"If the client type is confidential or
   the client was issued client credentials (or assigned other
   authentication requirements), the client MUST authenticate with the
   authorization server as described in Section 3.2.1."
   
About the Resource Owner Password Credentials Grant, taken from 
http://tools.ietf.org/html/rfc6749#page-37 :
"If the client type is confidential or the client was issued client
   credentials (or assigned other authentication requirements), the
   client MUST authenticate with the authorization server as described
   in Section 3.2.1.  

About the "Authorization code Grant" 
http://tools.ietf.org/html/rfc6749#section-4.1.3 :
  If the client type is confidential or the client was issued client
   credentials (or assigned other authentication requirements), the
   client MUST authenticate with the authorization server as described
   in Section 3.2.1.

Note however that for the "Authorization code Grant" the "client_id" param is 
required if client credentials are not given.

So these validators should not set enforceClientAuthentication = true.


> Client credentials should only be required for the client credentials flow
> --------------------------------------------------------------------------
>
>                 Key: OLTU-179
>                 URL: https://issues.apache.org/jira/browse/OLTU-179
>             Project: Apache Oltu
>          Issue Type: Bug
>          Components: oauth2-authzserver
>    Affects Versions: oauth2-1.0.0
>            Reporter: Rikard Swahn
>
> Client credentials should not be required for any other flow than the client 
> credentials flow. It is required in Oltu in the "Resource Owner Password 
> Credentials Grant", "Authorization code Grant" and when refreshing tokens.
> About refreshing access tokens, taken from 
> http://tools.ietf.org/html/rfc6749#page-47 :
> "If the client type is confidential or
>    the client was issued client credentials (or assigned other
>    authentication requirements), the client MUST authenticate with the
>    authorization server as described in Section 3.2.1."
>    
> About the Resource Owner Password Credentials Grant, taken from 
> http://tools.ietf.org/html/rfc6749#page-37 :
> "If the client type is confidential or the client was issued client
>    credentials (or assigned other authentication requirements), the
>    client MUST authenticate with the authorization server as described
>    in Section 3.2.1.  
> About the "Authorization code Grant" 
> http://tools.ietf.org/html/rfc6749#section-4.1.3 :
>   If the client type is confidential or the client was issued client
>    credentials (or assigned other authentication requirements), the
>    client MUST authenticate with the authorization server as described
>    in Section 3.2.1.
> Note however that for the "Authorization code Grant" the "client_id" param is 
> required if client credentials are not given.
> So the validators for these cases should not set enforceClientAuthentication 
> = true.



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