Hi Sanjeewa,

Thanks for the answers.

So based on your answers seems like points 3 and 5 can be improved to
support federated users better right? Have we considered this in APIM 3.0.0?

Regards,
Johann.

On Mon, Oct 16, 2017 at 3:07 PM, Sanjeewa Malalgoda <[email protected]>
wrote:

>
>
> On Sun, Oct 15, 2017 at 9:35 PM, Johann Nallathamby <[email protected]>
> wrote:
>
>> Hi APIM Team,
>>
>> The API Security Handler is one of the key extension points and widely
>> implemented extension points  of the API Gateway architecture. I want to
>> clarify if there are any limitations when implementing this extension point.
>>
>> Expectation is if the API Security Handler has been extended to do client
>> authentication or user authentication in a customized way, still the API
>> Throttling and API Analytics need to work as long as the necessary context
>> information regarding the application and end user are populated by the
>> authentication handler.
>>
>> 1. Will application throttling still work if we haven't used
>> client_id/client_secret authentication to obtain OAuth2 access token?
>> For example, Basicauth, JWT, X509 certs, IP whitelisting, etc. I think it
>> should work as long as we have mapped whatever credential the application
>> used to an application registered in API Manager. Correct?
>>
> Application level throttling will look into only application ID. As long
> as you can populate authentication context from auth handler it will be
> sufficient. If you can get API Manager application ID then it will be used
> in throttling. For usage information consumer key is something we have
> defined in request stream so we need to have some mapping there. But
> throttling will work without any issue.
>
>>
>> 2. Will end user analytics still work if we haven't issued the access
>> token for a particular end user?
>> For example consider the scenario where, the application gets an access
>> token using client_credentials grant type, but the API Security Handler
>> identifies the end user using a custom header in the API call, at the API
>> Gateway. The gateway can only be reached by the application.
>>
> If we set authz user property in message context it will work without
> issue. That user name we set will directly go to analytics and summarized.
> It may not effect publisher dashboards as we can populate publisher and
> application ID properly.
>
>>
>> How does throttling and analytics extend to federated users?
>>
>> 3. The JWT based throttling capability we have, seems to be tightly
>> coupled to the Key Manager's own JWT. It seems we cannot to use an external
>> JWT and do advanced throttling. Which means this won't work for federated
>> users.
>>
> We are reading claims from X-JWT-Assertion header and if auth handler can
> set that header it will work. However if JWT format is different than what
> we expect in throttle handler then we need to reconstruct X-JWT-Assertion
> header. Even if we have federated users if we populate auth context
> properly.
>
>>
>> 4. If the access token was issued for a federated user using SAML2 or
>> OpenID Connect protocol in IS as KM, for users who are not in the IS
>> userstore, does the end user analytics still work for them?
>>
>> 5. Also on a different note, can we now enable JWT generation in the Key
>> Manager when there is a requirement for local users and federated users to
>> login? I remember sometime back there was an issue when JWT generation is
>> enabled and federated users login. I think the issue was because the JWT
>> generator goes and tries to find a user in the local user store and fails.
>>
> If we are using default JWT generator then it will connect current user
> store manager and try to populate claims. But if we can have custom JWT
> generator we can control this behavior and populate claims only user
> present in user store connected. So if its federated user then populate
> standard claims will be failed and we need to handle it.
>
> Thanks,
> sanjeewa.
>
>>
>> Thanks & Regards,
>> Johann.
>>
>> --
>>
>> *Johann Dilantha Nallathamby*
>> Senior Lead Solutions Engineer
>> WSO2, Inc.
>> lean.enterprise.middleware
>>
>> Mobile - *+94777776950*
>> Blog - *http://nallaa.wordpress.com <http://nallaa.wordpress.com>*
>>
>
>
>
> --
>
> *Sanjeewa Malalgoda*
> WSO2 Inc.
> Mobile : +94713068779 <+94%2071%20306%208779>
>
> <http://sanjeewamalalgoda.blogspot.com/>blog :http://sanjeewamalalgoda.
> blogspot.com/ <http://sanjeewamalalgoda.blogspot.com/>
>
>
>


-- 
Thanks & Regards,

*Johann Dilantha Nallathamby*
Senior Lead Solutions Engineer
WSO2, Inc.
lean.enterprise.middleware

Mobile - *+94777776950*
Blog - *http://nallaa.wordpress.com <http://nallaa.wordpress.com>*
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