From: Christopher Yeoh <yeohc@au1.ibm.com>

The attached patch implements osKey2Name and osName2Key
which converts between a UUID key for an avatar and
an avatar name and vice-versa.

osKey2Name is similar to llKey2Name except that it will work
even if the avatar being looked up is not in the same region
as the script.

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs

@@ -1344,6 +1344,47 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             m_host.Inventory.AddInventoryItem(taskItem, false);
         }
 
+        public string osAvatarName2Key(string firstname, string lastname)
+        {
+            CheckThreatLevel(ThreatLevel.Low, "osAvatarName2Key");
+
+            UserProfileData UserProfile = World.CommsManager.UserService
+                .GetUserProfile(firstname, lastname);
+            if (UserProfile==null) 
+            {
+                return UUID.Zero.ToString();
+            } 
+            else 
+            {
+                return UserProfile.ID.ToString();
+            }
+        }
+
+        public string osKey2Name(string id)
+        {
+            CheckThreatLevel(ThreatLevel.Low, "osKey2Name");
+            UUID key = new UUID();
+
+            if (UUID.TryParse(id, out key))
+            {
+                UserProfileData UserProfile = World.CommsManager.UserService
+                    .GetUserProfile(key);
+                if (UserProfile==null) 
+                {
+                    return "";
+                } 
+                else 
+                {
+                    return UserProfile.Name;
+                }
+            } 
+            else
+            {
+                return "";
+            }
+
+        }
+
         /// Threat level is Moderate because intentional abuse, for instance
         /// scripts that are written to be malicious only on one grid,
         /// for instance in a HG scenario, are a distinct possibility.

OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs

@@ -117,6 +117,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         void osMessageObject(key objectUUID,string message);
 
         void osMakeNotecard(string notecardName, LSL_Types.list contents);
+        string osAvatarName2Key(string firstname, string lastname);
+        string osKey2Name(string id);
         
         // Grid Info Functions
         string osGetGridNick();

OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs

@@ -300,6 +300,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             m_OSSL_Functions.osMakeNotecard(notecardName, contents);
         }
 
+        public string osAvatarName2Key(string firstname, string lastname)
+        {
+            return m_OSSL_Functions.osAvatarName2Key(firstname, lastname);
+        }
+
+        public string osKey2Name(string id)
+        {
+            return m_OSSL_Functions.osKey2Name(id);
+        }
+
         public string osGetGridNick()
         {
             return m_OSSL_Functions.osGetGridNick();