issue-19 - WhoAmIServlet supports different AuthMethods

cadc-access-control-server/build.gradle

@@ -13,7 +13,7 @@ repositories {
 sourceCompatibility = 1.7
 group = 'org.opencadc'
 
-version = '1.1.2'
+version = '1.1.3'
 
 dependencies {
     compile 'log4j:log4j:1.2.+'

cadc-access-control-server/src/main/java/ca/nrc/cadc/ac/server/web/WhoAmIServlet.java

@@ -71,9 +71,10 @@ package ca.nrc.cadc.ac.server.web;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URL;
-import java.util.Set;
+import java.security.Principal;
 
 import javax.security.auth.Subject;
+import javax.security.auth.x500.X500Principal;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
@@ -84,6 +85,7 @@ import org.apache.log4j.Logger;
 import ca.nrc.cadc.auth.AuthMethod;
 import ca.nrc.cadc.auth.AuthenticationUtil;
 import ca.nrc.cadc.auth.HttpPrincipal;
+import ca.nrc.cadc.auth.NumericPrincipal;
 import ca.nrc.cadc.log.ServletLogInfo;
 import ca.nrc.cadc.reg.Standards;
 import ca.nrc.cadc.reg.client.LocalAuthority;
@@ -99,7 +101,7 @@ public class WhoAmIServlet extends HttpServlet
 {
     private static final Logger log = Logger.getLogger(WhoAmIServlet.class);
 
-    static final String USER_GET_PATH = "/%s?idType=HTTP";
+    static final String USER_GET_PATH = "/%s?idType=%s";
 
     /**
      * Handle a /whoami GET operation.
@@ -119,19 +121,23 @@ public class WhoAmIServlet extends HttpServlet
         log.info(logInfo.start());
         try
         {
-            final Subject currentSubject = getSubject(request);
-            final Set<HttpPrincipal> currentWebPrincipals =
-                    currentSubject.getPrincipals(HttpPrincipal.class);
-
-            if (currentWebPrincipals.isEmpty())
+            final Subject subject = getSubject(request);
+            AuthMethod authMethod = getAuthMethod(subject);
+            if (AuthMethod.ANON.equals(authMethod))
             {
                 response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+                return;
             }
-            else
+
+            Principal principal = getPrincipalForRestCall(subject);
+            if (principal == null)
             {
-                redirect(response, currentWebPrincipals.toArray(
-                        new HttpPrincipal[1])[0], request.getScheme());
+                response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+                response.getWriter().print("No supported identities for /whoami");
+                return;
             }
+
+            redirect(response, principal, authMethod);
         }
         catch (IllegalArgumentException e)
         {
@@ -154,12 +160,37 @@ public class WhoAmIServlet extends HttpServlet
         }
     }
 
+    private Principal getPrincipalForRestCall(Subject s)
+    {
+        // TODO: Would be better to add this type of checking to AuthenticationUtil.
+        //       But: a better fix would probably be to remove the userid and
+        //            authentication type from the get user REST call.  Only the
+        //            calling user is allowed to get that user, so the information
+        //            is already available.
+
+        if (!s.getPrincipals(HttpPrincipal.class).isEmpty())
+            return s.getPrincipals(HttpPrincipal.class).iterator().next();
+
+        if (!s.getPrincipals(X500Principal.class).isEmpty())
+            return s.getPrincipals(X500Principal.class).iterator().next();
+
+        if (!s.getPrincipals(NumericPrincipal.class).isEmpty())
+            return s.getPrincipals(NumericPrincipal.class).iterator().next();
+
+        return null;
+    }
+
     public URI getServiceURI(URI standard)
     {
         LocalAuthority localAuthority = new LocalAuthority();
         return localAuthority.getServiceURI(standard.toString());
     }
 
+    public AuthMethod getAuthMethod(Subject subject)
+    {
+        return AuthenticationUtil.getAuthMethod(subject);
+    }
+
     /**
      * Forward on to the Service's user endpoint.
      *
@@ -167,21 +198,19 @@ public class WhoAmIServlet extends HttpServlet
      * @param webPrincipal The HttpPrincipal instance.
      * @param scheme       The scheme
      */
-    void redirect(final HttpServletResponse response,
-                  final HttpPrincipal webPrincipal,
-                  final String scheme) throws IOException
+    void redirect(HttpServletResponse response, Principal principal, AuthMethod authMethod) throws IOException
     {
         final RegistryClient registryClient = getRegistryClient();
 
         URI umsServiceURI = getServiceURI(Standards.UMS_WHOAMI_01);
         log.debug("ums service uri: " + umsServiceURI);
 
-        final URL serviceURL = registryClient.getServiceURL(umsServiceURI, Standards.UMS_USERS_01, AuthMethod.CERT);
+        final URL serviceURL = registryClient.getServiceURL(umsServiceURI, Standards.UMS_USERS_01, authMethod);
         final URL redirectURL = new URL(serviceURL.toExternalForm() + USER_GET_PATH);
 
         // Take the first one.
         final String redirectUrl =
-            String.format(redirectURL.toString(), webPrincipal.getName());
+            String.format(redirectURL.toString(), principal.getName(), AuthenticationUtil.getPrincipalType(principal));
         final URI redirectURI = URI.create(redirectUrl);
 
         log.debug("redirecting to " + redirectURI.toASCIIString());

cadc-access-control-server/src/test/java/ca/nrc/cadc/ac/server/ldap/AbstractLdapDAOTest.java

@@ -131,7 +131,7 @@ public class AbstractLdapDAOTest
     public static void setUpBeforeClass()
         throws Exception
     {
-        Log4jInit.setLevel("ca.nrc.cadc.ac", Level.DEBUG);
+        Log4jInit.setLevel("ca.nrc.cadc.ac", Level.INFO);
 
         System.setProperty(PropertiesReader.class.getName() + ".dir", "src/test/resources");
 

cadc-access-control-server/src/test/java/ca/nrc/cadc/ac/server/web/WhoAmIServletTest.java

@@ -79,6 +79,7 @@ import java.net.URL;
 import java.security.PrivilegedExceptionAction;
 
 import javax.security.auth.Subject;
+import javax.security.auth.x500.X500Principal;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
@@ -114,10 +115,23 @@ public class WhoAmIServletTest
     }
 
     @Test
-    public void doGet() throws Exception
+    public void doGetWithHttpPrincipal() throws Exception
     {
         final Subject subject = new Subject();
         subject.getPrincipals().add(new HttpPrincipal("CADCtest"));
+        doGet(subject, AuthMethod.PASSWORD, "CADCtest", "http");
+    }
+
+    @Test
+    public void doGetWithCert() throws Exception
+    {
+        final Subject subject = new Subject();
+        subject.getPrincipals().add(new X500Principal("CN=cadcauthtest1_24c,OU=cadc,O=hia,C=ca"));
+        doGet(subject, AuthMethod.CERT, "CN=cadcauthtest1_24c,OU=cadc,O=hia,C=ca", "x500");
+    }
+
+    public void doGet(final Subject subject, final AuthMethod authMethod, final String restUserid, final String restType) throws Exception
+    {
 
         final RegistryClient mockRegistry = createMock(RegistryClient.class);
         final WhoAmIServlet testSubject = new WhoAmIServlet()
@@ -145,6 +159,12 @@ public class WhoAmIServletTest
             {
                 return URI.create("ivo://example.org/ums");
             }
+
+            @Override
+            public AuthMethod getAuthMethod(Subject subject)
+            {
+                return authMethod;
+            }
         };
 
         final HttpServletRequest mockRequest =
@@ -155,9 +175,10 @@ public class WhoAmIServletTest
         expect(mockRequest.getPathInfo()).andReturn("users/CADCtest").once();
         expect(mockRequest.getMethod()).andReturn("GET").once();
         expect(mockRequest.getRemoteAddr()).andReturn("mysite.com").once();
-        expect(mockRequest.getScheme()).andReturn("http");
 
-        mockResponse.sendRedirect("/ac/users/CADCtest?idType=HTTP");
+        String redirect = "/ac/users/" + restUserid + "?idType=" + restType;
+        log.debug("expected redirect: " + redirect);
+        mockResponse.sendRedirect(redirect);
         expectLastCall().once();
 
         URI umsServiceURI = URI.create("ivo://example.org/ums");
@@ -166,7 +187,7 @@ public class WhoAmIServletTest
 //                                          "http", "/%s?idType=HTTP")).
 //                andReturn(new URL("http://mysite.com/ac/users/CADCtest?idType=HTTP")).once();
 
-        expect(mockRegistry.getServiceURL(umsServiceURI, Standards.UMS_USERS_01, AuthMethod.CERT))
+        expect(mockRegistry.getServiceURL(umsServiceURI, Standards.UMS_USERS_01, authMethod))
             .andReturn(new URL("http://mysite.com/ac/users")).once();
 
         replay(mockRequest, mockResponse, mockRegistry);

cadc-access-control-server/src/test/java/ca/nrc/cadc/ac/server/web/groups/RemoveGroupMemberActionTest.java

@@ -96,7 +96,7 @@ public class RemoveGroupMemberActionTest
     @BeforeClass
     public static void setUpClass()
     {
-        Log4jInit.setLevel("ca.nrc.cadc.ac", Level.DEBUG);
+        Log4jInit.setLevel("ca.nrc.cadc.ac", Level.INFO);
     }
 
     @Test