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package com.sun.jersey.osgi.tests.jetty;

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.container.filter.RolesAllowedResourceFilterFactory;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerRequestFilter;
import java.security.Principal;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.security.RolesAllowed;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.UriInfo;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class RolesAllowedTest extends AbstractJettyWebContainerTester {

    public static class SecurityFilter implements ContainerRequestFilter {

        @Context UriInfo ui;
        
        public ContainerRequest filter(ContainerRequest request) {
            String user = request.getHeaderValue("X-USER");
            request.setSecurityContext(new Authenticator(user));
            return request;
        }

        //

        public class Authenticator implements SecurityContext {
            private Principal p;
            
            Authenticator(final String name) {
                p = new Principal() {
                    public String getName() {
                        return name;
                    }
                };
            }
            
            public Principal getUserPrincipal() {
                return p;
            }

            public boolean isUserInRole(String role) {
                if (role.equals("user")) {
                    if ("admin".equals(p.getName()))
                        return true;
                    
                    String user = ui.getPathParameters().getFirst(role);
                    return user.equals(p.getName());
                } else if (role.equals("admin")) {
                    return role.equals(p.getName());
                } else {
                    return false;
                }
            }

            public boolean isSecure() {
                return false;
            }

            public String getAuthenticationScheme() {
                return "";
            }
        }
    }

    @Path("/{user}")
    public static class Resource {
        @RolesAllowed("user")
        @GET
        public String get() { return "GET"; }
        
        @RolesAllowed("admin")
        @POST
        public String post(String content) { return content; }
    }
        
    WebResource r;

    @Override
    public void setUp() {
        Map<String, String> initParams = new HashMap<String, String>();
        initParams.put(ResourceConfig.PROPERTY_CONTAINER_REQUEST_FILTERS,
                SecurityFilter.class.getName());
        initParams.put(ResourceConfig.PROPERTY_RESOURCE_FILTER_FACTORIES,
                RolesAllowedResourceFilterFactory.class.getName());
        startServer(initParams, Resource.class);
        
        Client c = Client.create();
        r = c.resource(getUri().build());
    }
    
    @Test
    public void testGetAsUser() {
        assertEquals("GET", r.path("foo").header("X-USER", "foo").get(String.class));
    }

    @Test
    public void testGetAsAdmin() {
        assertEquals("GET", r.path("foo").header("X-USER", "admin").get(String.class));
    }

    @Test
    public void testPostAsUser() {
        ClientResponse cr = r.path("foo").header("X-USER", "foo").post(ClientResponse.class, "POST");
        assertEquals(403, cr.getStatus());
    }

    @Test
    public void testPostAsAdmin() {
        assertEquals("POST", r.path("foo").header("X-USER", "admin").post(String.class, "POST"));
    }

}
