[Apiman-user] CORS preflight OPTIONS request requires Authorization header

Wed Aug 31 10:30:32 EDT 2016

Having CORS policy configured just before than Keycloak OAuth policy did the trick.  Many thanks for your help . By the way, it would be good to have this behaviour documented or to have a warning on plugin configuration page.

-----Original Message-----
From: Eric Wittmann [mailto:eric.wittmann at redhat.com]
Sent: Monday, August 29, 2016 3:49 PM
To: Melih Ozdemirkan <Melih.Ozdemirkan at avivasa.com.tr>; apiman-user at lists.jboss.org
Subject: Re: [Apiman-user] CORS preflight OPTIONS request requires Authorization header

Yeah the JIRA you referenced is specifically a problem with CORS on the gateway's own API (not APIs proxied by the gateway).

Do you have the CORS policy configured *before* the Keycloak OAuth policy?  I'd have to check the implementation, but I would think that pre-flight (options) requests would return an immediate reponse (by the CORS plugin) and thus never reach the OAuth policy.  If that's not happening, then perhaps that is a bug in the CORS policy...

@msvay - any thoughts on this?

-Eric

On 8/25/2016 3:53 AM, Melih Ozdemirkan wrote:
> I have an API provisioned on APIMAN with  Keycloak OAuth Policy and
> CORS Policy (using APIMAN Plugins) . Onclient side, I get the JWT
> token from Keycloak and add authorization header to get request sent
> to APIMAN for my own API. Problem is  that APIMAN rejects OPTIONS
> preflight with 401 Unauthorized with message "OAuth2 'Authorization'
> header or 'access_token' query parameter must be provided."
>
>
>
> I am using APIMAN 1.2.7_final . I applied workaround in the JIRA issue
> given below but it didn’t work for me.  Does it work for both APIMAN’s
> own rest endpoints and my own API’s. I suppose it is not valid for the
> later one.
>
>
>
> http://lists.jboss.org/pipermail/apiman-user/2016-July/000727.html
>
>
> https://issues.jboss.org/browse/APIMAN-1209
>
>
>
>
>
> *TOKEN REQUEST TO KEYCLOAK*
>
> *General*
>
> Request
> URL:http://localhost:8280/auth/realms/company/protocol/openid-connect/
> token
>
> Request Method:POST
>
> Status Code:200 OK
>
> Remote Address:127.0.0.1:8280
>
>
>
> *Response Headers*
>
> Access-Control-Allow-Credentials:true
>
> Access-Control-Allow-Origin:http://localhost:8080
>
> Access-Control-Expose-Headers:Access-Control-Allow-Methods
>
> Connection:keep-alive
>
> Content-Length:3175
>
> Content-Type:application/json
>
> Date:Thu, 25 Aug 2016 07:22:59 GMT
>
> Server:WildFly/10
>
> X-Powered-By:Undertow/1
>
>
>
> *Request Headers*
>
> Accept:*/*
>
> Accept-Encoding:gzip, deflate
>
> Accept-Language:tr-TR,tr;q=0.8,en-US;q=0.6,en;q=0.4
>
> Connection:keep-alive
>
> Content-Length:78
>
> Content-Type:application/x-www-form-urlencoded
>
> Host:localhost:8280
>
> Origin:http://localhost:8080
>
> Referer:http://localhost:8080/login-services/login.html
>
> User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
>
> Form Data
>
> view source
>
> view URL encoded
>
> username:username
>
> password:pasword
>
> grant_type:password
>
> client_id:company
>
>
>
>
>
> *GET REQUEST TO API on APIMAN ***
>
> *General*
>
> Request
> URL:http://localhost:8280/apiman-gateway/client/test-services-ws/1.0/g
> etuser/
>
> Request Method:OPTIONS
>
> Status Code:*401 Unauthorized*
>
> Remote Address:127.0.0.1:8280
>
>
>
> *Response Headers*
>
> Connection:keep-alive
>
> Content-Type:application/json
>
> Date:Thu, 25 Aug 2016 07:22:59 GMT
>
> Server:WildFly/10
>
> Transfer-Encoding:chunked
>
> X-Policy-Failure-Code:11005
>
> X-Policy-Failure-Message:*OAuth2 'Authorization' header or
> 'access_token' query parameter must be provided*.
>
> X-Policy-Failure-Type:Authentication
>
> X-Powered-By:Undertow/1
>
>
>
> *Request Headers*
>
> Accept:*/*
>
> Accept-Encoding:gzip, deflate, sdch
>
> Accept-Language:tr-TR,tr;q=0.8,en-US;q=0.6,en;q=0.4
>
> Access-Control-Request-Headers:authorization
>
> Access-Control-Request-Method:GET
>
> Connection:keep-alive
>
> Host:localhost:8280
>
> Origin:http://localhost:8080
>
> Referer:http://localhost:8080/login-services/login.html
>
> User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36
> (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
>
>
>
>
>
> İyi Çalışmalar,
>
> * *
>
> *Melih Özdemirkan*
>
> *AvivaSA Emeklilik ve Hayat A.Ş.*
>
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>
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>
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