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https://issues.apache.org/jira/browse/CAMEL-25162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen updated CAMEL-25162:
--------------------------------
    Fix Version/s: 4.23.0

> camel-oauth - confine the reconstructed post-login URL to the configured 
> redirect URI origin
> --------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-25162
>                 URL: https://issues.apache.org/jira/browse/CAMEL-25162
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-oauth
>            Reporter: Andrea Cosentino
>            Assignee: Andrea Cosentino
>            Priority: Major
>             Fix For: 4.23.0
>
>
> {{OAuthCodeFlowProcessor.getPostLoginUrl()}} rebuilds the absolute post-login 
> URL from the inbound {{X-Forwarded-Proto}} / {{X-Forwarded-Host}} / 
> {{X-Forwarded-Port}} request headers and stores it in the OAuth session. 
> {{OAuthCodeFlowCallback}} later emits that value as the {{Location}} header 
> of the post-login redirect.
> The reconstruction was added in CAMEL-21899 so that deployments behind an 
> OpenShift Route/Ingress redirect to the externally reachable URL rather than 
> the internally observed one. That behaviour must be preserved.
> The assembled origin is never compared against the deployment's own origin, 
> so the forwarded header values are used as-is. The component should confine 
> the result:
> * derive the expected origin from the configured {{CAMEL_OAUTH_REDIRECT_URI}}
> * accept the {{X-Forwarded-*}} reconstruction only when the resulting origin 
> matches it
> * fall back to the configured origin otherwise
> Two smaller issues in the same method:
> * {{X-Forwarded-Host}} may be a comma-separated list when several proxies are 
> chained ({{host1, host2}}); the current code concatenates the whole list into 
> the URL and produces a malformed value.
> * The {{else}} branch returns {{Exchange.HTTP_URL}} unchanged, with no 
> confinement either.
> h3. Affected code
> * 
> {{components/camel-oauth/src/main/java/org/apache/camel/oauth/OAuthCodeFlowProcessor.java}}
>  ({{getPostLoginUrl}})
> h3. Acceptance
> Unit tests covering a matching origin, a non-matching origin, a 
> comma-separated {{X-Forwarded-Host}}, and absent forwarded headers.



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