[keycloak-user] How to work with SpringSecurity adapter behind HTTP proxy?

Mon Dec 19 15:04:31 EST 2016

HI Sebastien,
I really need your help.
I read the thread, I have configured the Apache HTTP proxy to send all required X-Forward* headers.
Unfortunately the redirect URI string still created in the wrong way.
According to my understanding in the Spring Security Adapter should be code that handle the X-Forward* headers.
Like io.undertow.server.handlers.ProxyPeerAddressHandler in the IDP.
Can you point me to the code that handle the X-Forward* headers?
May be I will found the bug and I will be able to fix it.
Thanks in advance,
Best regards,
   Michael

________________________________
From: Sebastien Blanc <sblanc at redhat.com>
Sent: Thursday, December 15, 2016 12:45 PM
To: Michael Furman
Cc: keycloak-user at lists.jboss.org
Subject: Re: How to work with SpringSecurity adapter behind HTTP proxy?

Hi Michael !

Before we do any code change , could you check if your answer is not in the following thread ? http://lists.jboss.org/pipermail/keycloak-user/2016-May/006287.html
Looks like SpringSec should handle correctly the x-forwarded-proto and host headers ...

On Thu, Dec 15, 2016 at 9:10 AM, Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>> wrote:
HI Sebastien,
(I have changed the subject since the root cause of the problem is different).
I have debugged the code and I have found the following.
Please look at getRedirectUri of org.keycloak.adapters.OAuthRequestAuthenticator:
It just takes the request URI and creates the redirect URI string:
    protected String getRedirectUri(String state) {
        String url = this.getRequestUrl();

Please note that when you work behind getRequestUrl() will always be localhost and therefore I think SpringSecurity adapter can not work behind HTTP proxy.

How can I change the code in the minimal way it will support the HTTP proxy?
Best regards,
   Michael

________________________________
From: Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>>
Sent: Tuesday, December 13, 2016 2:25 PM
To: Sebastien Blanc
Subject: Re: [keycloak-user] Very strange behavior when access to IDP from SpringSecurity adapter over HTTPS.

Thanks Sebastien,
I see the link but supposed it is related only to Keycloak IDP.
Is it also relevant to SpringSecurity adapter?
Will SpringSecurity adapter handle X-Forwarded-Proto or other HTTP headers?
Best regards,
   Michael

________________________________
From: Sebastien Blanc <sblanc at redhat.com<mailto:sblanc at redhat.com>>
Sent: Tuesday, December 13, 2016 2:19 PM
To: Michael Furman
Subject: Re: [keycloak-user] Very strange behavior when access to IDP from SpringSecurity adapter over HTTPS.

TBH I have not that much experience with configuring a proxy but :
- Have you looked at https://keycloak.gitbooks.io/server-installation-and-configuration/content/topics/clustering/load-balancer.html (it also cover proxy configuration)
- Search the user list, I see often question around this maybe you can find your answer there)

On Tue, Dec 13, 2016 at 1:13 PM, Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>> wrote:
HI Sebastien,
The problem is not related to HTTPS but to the reverse proxy
When I access to SpringSecurity adapter RP over HTTP but behind the Apache HTTPD reverse proxy (the client configuration in IDP configured also HTTP) the redirect_uri is replaced to localhost:
http://192.168.110.2:9080/auth/realms/master/protocol/openid-connect/auth?response_type=code&client_id=testclient&redirect_uri=http%3A%2F%2Flocalhost%3A8081%2Fapp%2Fsso%2Flogin&state=3%2Fc6734b8c-6679-45b6-8acf-1f99d2278836&login=true&scope=openid
Then, I get the error

WE'RE SORRY ...
Invalid parameter: redirect_uri

What should I configure to allow to work with proxy?
Any help will be appreciated.
Best regards,
   Michael

________________________________
From: keycloak-user-bounces at lists.jboss.org<mailto:keycloak-user-bounces at lists.jboss.org> <keycloak-user-bounces at lists.jboss.org<mailto:keycloak-user-bounces at lists.jboss.org>> on behalf of Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>>
Sent: Tuesday, December 13, 2016 1:17 PM
To: Sebastien Blanc

Cc: keycloak-user at lists.jboss.org<mailto:keycloak-user at lists.jboss.org>
Subject: Re: [keycloak-user] Very strange behavior when access to IDP from SpringSecurity adapter over HTTPS.

Hi,
Important clarification:
The HTTPS handshake is by Apache httpd server that is also reverse proxy for Tomcat.

Tomcat is located on the same ip.

SpringSecurity RP is deployed in Tomcat.

Best regards

On Dec 13, 2016 12:44 PM, Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>> wrote:

Example 2:

SpringSecurity adapter RP is over HTTPS (the client configuration in IDP configured also HTTPS)

IDP is over HTTP

Example 3:

SpringSecurity adapter RP is over HTTP (the client configuration in IDP configured also HTTP)

IDP is over HTTP

BTW,

Example 1:

SpringSecurity adapter RP is over HTTPS (the client configuration in IDP configured also HTTPS)

IDP is over HTTPS

________________________________
From: Sebastien Blanc <sblanc at redhat.com<mailto:sblanc at redhat.com>>
Sent: Tuesday, December 13, 2016 12:23 PM
To: Michael Furman
Cc: keycloak-user at lists.jboss.org<mailto:keycloak-user at lists.jboss.org>
Subject: Re: [keycloak-user] Very strange behavior when access to IDP from SpringSecurity adapter over HTTPS.

What is the difference between your example 2 and example 3 ?

On Tue, Dec 13, 2016 at 11:12 AM, Michael Furman <michael_furman at hotmail.com<mailto:michael_furman at hotmail.com><mailto:michael_furman at hotmail.com<mailto:michael_furman at hotmail.com>>> wrote:
Hi all,
I try to access from SpringSecurity adapter over HTTPS without success.
When I try to access to IDP over HTTPS the redirect_uri is replaced to localhost:

https://192.168.110.2:8443/auth/realms/master/protocol/openid-connect/auth?response_type=code&client_id=testclient&redirect_uri=http%3A%2F%2Flocalhost%3A8081%2Fapp%2Fsso%2Flogin&state=0%2Fdb8aabf5-0756-4eef-992f-ba1e3eae8084&login=true&scope=openid

Then I get this error in UI:
WE'RE SORRY ...
Invalid parameter: redirect_uri

Similar, when I try to access to IDP over HTTP, the redirect_uri is replaced to localhost:
http://192.168.110.2:9080/auth/realms/master/protocol/openid-connect/auth?response_type=code&client_id=testclient&redirect_uri=http%3A%2F%2Flocalhost%3A8081%2Fapp%2Fsso%2Flogin&state=0%2F66c8bcdb-7ebc-4812-afb6-07d0a7f4bc99&login=true&scope=openid

Same error in UI:
WE'RE SORRY ...
Invalid parameter: redirect_uri

Only if I access from SpringSecurity adapter over HTTP the redirect_uri has correct value and it works:
http://192.168.110.2:9080/auth/realms/master/protocol/openid-connect/auth?response_type=code&client_id=testclient&redirect_uri=http%3A%2F%2F192.168.110.2%3A8081%2Fapp%2Fsso%2Flogin&state=2%2F7553a833-0fdf-48e8-afc2-c882c9625479&login=true&scope=openid

Finally I can see the login page.
What wrong in my configurations?
Any help will be appreciated.
Best regards,
   Michael

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