In switching from Spring Cloud Brixton.M5 to Brixton.RC1 my ZuulProxy no longer passes Authorization headers downstream to my proxied services.
There's various actors in play in my setup, but most all of them are fairly simple: - AuthorizationServer: runs separately; hands out JWTs to clients - Clients: get JWTs from OAuth server; each with access to a subset of resources. - ResourceServers: consume JWTs for access decisions - MyZuulProxy: proxies various resource servers; should relay JWTs.
It should be noted that MyZuulProxy has no security dependencies whatsoever; It passed the Authorization: Bearer {JWT} header it receives to the ResourceServers, pre-RC1. MyZuulProxy is explicitly not a Client itself, and does not use @EnableOAuth2SSO or similar at the moment.
What could I do to get MyZuulProxy to relay the JWTs to the ResourceServers again when using Spring Cloud Brixton.RC1?
There's very little code to post: It's just @EnableZuulProxy, @EnableAuthorizationServer and @EnableResourceServer in three different jars. My Clients are not Spring applications.
Update: Fixed in https://github.com/spring-cloud/spring-cloud-netflix/pull/963/files
Sensitive headers can also be set globally setting zuul.sensitiveHeaders. If sensitiveHeaders is set on a route, this will override the global sensitiveHeaders setting.
So use:
# Pass Authorization header downstream zuul: sensitive-headers: Cookie,Set-Cookie
So pending a fix for https://github.com/spring-cloud/spring-cloud-netflix/issues/944, jebeaudet was kind enough to provide a workaround:
@Component public class RelayTokenFilter extends ZuulFilter { @Override public Object run() { RequestContext ctx = RequestContext.getCurrentContext(); // Alter ignored headers as per: https://gitter.im/spring-cloud/spring-cloud?at=56fea31f11ea211749c3ed22 Set<String> headers = (Set<String>) ctx.get("ignoredHeaders"); // We need our JWT tokens relayed to resource servers headers.remove("authorization"); return null; } @Override public boolean shouldFilter() { return true; } @Override public String filterType() { return "pre"; } @Override public int filterOrder() { return 10000; } }
Set the sensitiveHeaders globally helped me solve the issue
zuul: sensitiveHeaders: Cookie,Set-Cookie
Please note that the property name is sensitiveHeaders not sensitive-headers [I use spring-cloud-starter-zuul version:1.3.1.RELEASE ]
