GUACAMOLE-289: Add getResource() functions to UserContext and AuthenticationProvider, allowing extensions to expose arbitrary REST resources/services.

extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/LDAPAuthenticationProvider.java

@@ -68,6 +68,11 @@ public class LDAPAuthenticationProvider implements AuthenticationProvider {
         return "ldap";
     }
 
+    @Override
+    public String getResource() {
+        return null;
+    }
+
     @Override
     public AuthenticatedUser authenticateUser(Credentials credentials) throws GuacamoleException {
 

extensions/guacamole-auth-ldap/src/main/java/org/apache/guacamole/auth/ldap/user/UserContext.java

@@ -159,6 +159,11 @@ public class UserContext implements org.apache.guacamole.net.auth.UserContext {
         return self;
     }
 
+    @Override
+    public String getResource() {
+        return null;
+    }
+
     @Override
     public AuthenticationProvider getAuthenticationProvider() {
         return authProvider;