[DEV] better filter

back/src/org/kar/karideo/AuthenticationFilter.java

@@ -1,5 +1,9 @@
 package org.kar.karideo;
 
+import java.lang.reflect.Method;
+import javax.annotation.security.DenyAll;
+import javax.annotation.security.PermitAll;
+import javax.annotation.security.RolesAllowed;
 import org.kar.karideo.model.User;
 import org.kar.karideo.model.UserSmall;
 
@@ -8,6 +12,8 @@ import javax.ws.rs.Path;
 import javax.ws.rs.Priorities;
 import javax.ws.rs.container.ContainerRequestContext;
 import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.container.ResourceInfo;
+import javax.ws.rs.core.Context;
 import javax.ws.rs.core.HttpHeaders;
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response;
@@ -25,6 +31,8 @@ import java.util.Map.Entry;
 @Provider
 @Priority(Priorities.AUTHENTICATION)
 public class AuthenticationFilter implements ContainerRequestFilter {
+	@Context
+	private ResourceInfo resourceInfo;
     
 	private static final String REALM = "example";
     private static final String AUTHENTICATION_SCHEME = "Yota";
@@ -52,8 +60,21 @@ public class AuthenticationFilter implements ContainerRequestFilter {
         }
         System.out.println("   -------------------------------");
         
+        Method method = resourceInfo.getResourceMethod();
+        //Access denied for all
+        if(method.isAnnotationPresent(DenyAll.class)) {
+            requestContext.abortWith(Response.status(Response.Status.FORBIDDEN).entity("Access blocked for all users !!").build());
+            return;
+        }
+        //Access allowed for all
+        if( method.isAnnotationPresent(PermitAll.class)) {
+        	// no control ...
+        	return;
+        }
+    
         // Validate the Authorization header
         if (!isTokenBasedAuthentication(authorizationHeader)) {
+        	System.out.println("REJECTED unauthorized: " + requestContext.getUriInfo().getPath());
             abortWithUnauthorized(requestContext);
             return;
         }
@@ -74,7 +95,45 @@ public class AuthenticationFilter implements ContainerRequestFilter {
         requestContext.setSecurityContext(new MySecurityContext(user, scheme));
         System.out.println("Get local user : " + user);
     }
+    /*
+    //Verify user access
+    if(method.isAnnotationPresent(RolesAllowed.class))
+    {
+        RolesAllowed rolesAnnotation = method.getAnnotation(RolesAllowed.class);
+        Set<String> rolesSet = new HashSet<String>(Arrays.asList(rolesAnnotation.value()));
           
+        //Is user valid?
+        if( ! isUserAllowed(username, password, rolesSet))
+        {
+            requestContext.abortWith(Response.status(Response.Status.UNAUTHORIZED)
+                .entity("You cannot access this resource").build(););
+            return;
+        }
+    }
+}
+}
+private boolean isUserAllowed(final String username, final String password, final Set<String> rolesSet)
+{
+boolean isAllowed = false;
+  
+//Step 1. Fetch password from database and match with password in argument
+//If both match then get the defined role for user from database and continue; else return isAllowed [false]
+//Access the database and do this part yourself
+//String userRole = userMgr.getUserRole(username);
+ 
+if(username.equals("howtodoinjava") && password.equals("password"))
+{
+  String userRole = "ADMIN";
+     
+    //Step 2. Verify user role
+    if(rolesSet.contains(userRole))
+    {
+        isAllowed = true;
+    }
+}
+return isAllowed;
+}
+*/
     private boolean isTokenBasedAuthentication(String authorizationHeader) {
 
         // Check if the Authorization header is valid

back/src/org/kar/karideo/WebLauncher.java

@@ -41,7 +41,8 @@ public class WebLauncher {
         // remove cors ==> all time called by an other system...
         rc.register(new CORSFilter());
         // global authentication system
-        rc.register(new AuthenticationFilter());
+        //rc.register(new AuthenticationFilter());
+        rc.registerClasses(AuthenticationFilter.class);
         // add default resource:
         rc.registerClasses(UserResource.class);
         rc.registerClasses(SeriesResource.class);