Put the basis for the token ring authentication stuff into Narya as we are

now using it in Yohoho, Game Gardens and Bang.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3552 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/crowd/data/BodyObject.java

@@ -92,13 +92,23 @@ public class BodyObject extends ClientObject
     public String checkAccess (String feature, Object context)
     {
         // our default access control policy; how quaint
-        if (ChatCodes.CHAT_ACCESS.equals(feature)) {
+        if (ChatCodes.BROADCAST_ACCESS.equals(feature)) {
+            return getTokens().isAdmin() ? null : ChatCodes.ACCESS_DENIED;
+        } else if (ChatCodes.CHAT_ACCESS.equals(feature)) {
             return null;
         } else {
             return InvocationCodes.ACCESS_DENIED;
         }
     }
 
+    /**
+     * Returns this user's access control tokens.
+     */
+    public TokenRing getTokens ()
+    {
+        return EMPTY_TOKENS;
+    }
+
     // documentation inherited
     public void applyToListeners (ListenerOp op)
     {
@@ -181,4 +191,7 @@ public class BodyObject extends ClientObject
         this.awayMessage = value;
     }
     // AUTO-GENERATED: METHODS END
+
+    /** The default (no tokens) access control. */
+    protected static final TokenRing EMPTY_TOKENS = new TokenRing();
 }