[keycloak-user] [OAuth2.0] Authorization grant & Get token urls

[Pavel Maslov]

>From your message I don't see how you can use Keycloak adapters for a Java
client application (no UI) to access an API secured with Keycloak. The API
resource is secured with Keycloak and is using Keycloak adapter. The client
app should invoke those two URLs (or just the second one for direct
grants). I can see you only have a Javascript library (adapter) for this
purpose.

Regards,
Pavel Maslov, MS
oPAC fellow at Cosylab

On Mon, Nov 23, 2015 at 9:12 AM, Marek Posolda <mposolda at redhat.com> wrote:

> Keycloak handles well this scenario. Adapters are used on both REST
> resource side, but also on UI application side (application which wants to
> redirect to Keycloak login and exchange code for token).
>
> One of Keycloak points is, that you don't need to code anything in order
> to handle OIDC / OAuth2 flow. The server part of specification is
> implemented by Keycloak auth-server and the client part of specification is
> implemented by our adapters. You don't need to care about redirection to
> keycloak login screen or to exchange code for token etc. Adapters is doing
> all of this for you. You can also enable "consent" for your client in which
> case, the user's consent screen will be displayed during authentication by
> keycloak server. Again, no need to code anything custom.
>
> When you want to send request to REST resource, you need to add
> accessToken to "Authorization: Bearer" header, which will authenticate the
> request.
>
> Take a look at our demo examples (customer-portal, product-portal,
> oauth-client) for more details.
>
> Marek
>
>
> On 20/11/15 13:58, Pavel Maslov wrote:
>
> Hey Marek,
>
>
> As far as I understood, adapters are used on the Resourse side (e.g. the
> API  you would like to secure with Keycloak).
> Here, I am calling the API (resource) from a 3rd party application
> (client). First it needs a user's consent to use the API on his behalf.
> Then it gets the auth_code, which is then used to obtain the access token.
> Then the client is free to utilize the API on behalf of the user.
>
> Does the Keycloak auth workflow differ slightly from the standard OAuth2.0
> procedure? Or am I missing something?
> Thanks.
>
>
> Regards,
> Pavel Maslov, MSc
>
> On Fri, Nov 20, 2015 at 1:41 PM, Marek Posolda <mposolda at redhat.com>
> wrote:
>
>> On 20/11/15 12:18, Pavel Maslov wrote:
>>
>> Hi everyone,
>>
>>
>> >From the user documentation I could not find the authorization grant url
>> (a la github's  https://github.com/login/oauth/authorize) and Get token
>> url (a la  <https://github.com/login/oauth/access_token>
>> https://github.com/login/oauth/access_token).
>>
>> I presume it's
>> {keycloak_base}/realms/{realm-name}/protocol/openid-connect/auth?client_id={client_name}&response_type=code
>> <http://%7Bkeycloak_base%7D/realms/%7Brealm-name%7D/protocol/openid-connect/auth?client_id=%7Bclient_name%7D&response_type=code> and
>> {keycloak_base}/realms/{realm-name}/protocol/openid-connect/token
>> <http://%7Bkeycloak_base%7D/realms/%7Brealm-name%7D/protocol/openid-connect/token> respectively,
>> but I am not sure.
>>
>> Yes, your URLs are correct. However if you want to use the default
>> Authorization Code Grant flow and browser applications, you can just use
>> our adapters. You don't even need to know the authorization grant url and
>> token URL as adapters handle all the redirections and exchanges for you.
>>
>> I suggest to take a look at our examples .
>>
>> And here is the docs for adapters:
>> <http://keycloak.github.io/docs/userguide/keycloak-server/html/ch08.html>
>> http://keycloak.github.io/docs/userguide/keycloak-server/html/ch08.html
>>
>> Marek
>>
>>
>> I would like to follow the standard OAuth2.0 workflow:
>>
>>    1. Get Auth grant (GET on  <https://github.com/login/oauth/authorize>
>>    https://github.com/login/oauth/authorize)
>>    2. Get access token in exchange for the auth grant code (POST on
>>    <https://github.com/login/oauth/access_token>
>>    https://github.com/login/oauth/access_token)
>>    3. Use the resource using the access token gotten in step 2.
>>
>> Please, correct me if I am wrong.
>> Thanks.
>>
>> Regards,
>> Pavel Maslov, MSc
>>
>>
>> _______________________________________________
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>>
>>
>>
>
>
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