[keycloak-dev] html app, node api server and keycloak

[gambol]

If I'm not mistaken the access type would be 'public' since you can't
secure the client secret (
http://stackoverflow.com/questions/14574846/client-authentication-on-public-client)
...

In regard to the API, there's technically no need to speak to keycloak to
verify the token, given the jwt is signed by the provider. So assuming the
library your using on the API pulls the jwt public keys from keycloak
(openid discovery URL perhaps) or has it hardcoded, you have everything you
need to verify the the token.

Rohith
crap, forget the subject line

On Fri, Apr 29, 2016 at 1:09 PM, Luke Holmquist <lholmqui at redhat.com> wrote:

> I have a use case, that i think could be pretty common,  but i'm not
> entirely sure how to setup it up.
>
> The following is a little bit of a thought dump, so pardon me if i ramble
> a little bit.
>
>
> There are i think 3 components involved here:
>
> 1. a pure HTML/JS web app
>
> 2. A node.js REST  API server
>
> 3. Keycloak server
>
>
> The app in this case, would not be served by the node server or the KC
> server(wildfly), but with something like nginx(or even something like
> 'python simpleHTTPServer')
>
> Basically the flow would be something like this[1]:
>
> The web app, using the js adapter, authenticates against the KC server.
>
>  Now the web app would like to call the node API server(a restricted
> endpoint) to get some data
>
> The web app probably adds the token stuff that it got from KC during it;s
> login to the request to the node server
>
> ***This next part is where i'm getting a little confused, i'm aware that
> code to do this might not be written yet****
>
> I'm thinking the node server takes the token from the web app request, and
> would hit an endpoint on the KC server to make sure that token is valid.
>
> If things go ok, then node server returns the data.
>
> I've seen the recent post on doing token introspection and abstracj was
> nice enough to make that into a gist,
> https://gist.github.com/abstractj/4cd2231a472069d8b6f63b4008c74061
>
> but this would also mean the web client access_type would need to be
> confidential(which i don't think is secure for a web app) to make a service
> account that the node server could use to do the token introspection.
>
> I was thinking of maybe creating a client also for the node server, but is
> it possible for 1 client to lookup/validate tokens from another client.
>
>
> Perhaps i'm thinking about this all wrong too, which is very possible.
>
> In this example there is only 1 node api server,  but there could be
> multiple node/go/rust/<insert cool kid tech here> servers too
>
>
>
> Any guidance would be appreciated and sorry for the ramble
>
> -Luke
>
>
>
>
>
>
> [1]
> https://docs.google.com/drawings/d/1BngijxAV2j0rjz18P0XcXeY9CClCg1mwQhROYQ2iWtU/edit
>
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>


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