From a4efa939932f823af2affe0e97446a8d807004e0 Mon Sep 17 00:00:00 2001
From: Teravus Ovares
Date: Wed, 14 May 2008 23:25:07 +0000
Subject: * Comitting 0001271: [PATCH] Refactor permissions to fully allow
 stacking permissions modules.  From Melanie.  Thanks Melanie!

---
 OpenSim/Region/Environment/Scenes/Scene.cs         | 10 ---
 .../Environment/Scenes/SceneExternalChecks.cs      | 74 +++++++++++++++++++++-
 OpenSim/Region/Environment/Scenes/SceneManager.cs  |  2 +-
 .../Region/Environment/Scenes/SceneObjectGroup.cs  |  2 +-
 OpenSim/Region/Environment/Scenes/ScenePresence.cs |  8 +--
 5 files changed, 76 insertions(+), 20 deletions(-)

(limited to 'OpenSim/Region/Environment/Scenes')

diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 5b93ef9..51f2942 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -115,7 +115,6 @@ namespace OpenSim.Region.Environment.Scenes
         protected IXMLRPC m_xmlrpcModule;
         protected IWorldComm m_worldCommModule;
         protected IAvatarFactory m_AvatarFactory;
-        protected IScenePermissions m_permissions;
         protected IConfigSource m_config;
 
         // Central Update Loop
@@ -173,14 +172,6 @@ namespace OpenSim.Region.Environment.Scenes
             get { return m_timedilation; }
         }
 
-        /// <summary>
-        /// The reference by which general permissions in the scene can be set and queried.
-        /// </summary>
-        public IScenePermissions Permissions
-        {
-            get { return m_permissions; }
-        }
-
         public int TimePhase
         {
             get { return m_timePhase; }
@@ -660,7 +651,6 @@ namespace OpenSim.Region.Environment.Scenes
             m_worldCommModule = RequestModuleInterface<IWorldComm>();
             XferManager = RequestModuleInterface<IXfer>();
             m_AvatarFactory = RequestModuleInterface<IAvatarFactory>();
-            m_permissions = RequestModuleInterface<IScenePermissions>();
         }
 
         #endregion
diff --git a/OpenSim/Region/Environment/Scenes/SceneExternalChecks.cs b/OpenSim/Region/Environment/Scenes/SceneExternalChecks.cs
index aa4e043..53c8fc3 100644
--- a/OpenSim/Region/Environment/Scenes/SceneExternalChecks.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneExternalChecks.cs
@@ -45,6 +45,78 @@ namespace OpenSim.Region.Environment.Scenes
 
         #region Object Permission Checks
 
+            public delegate uint GenerateClientFlags(LLUUID userID, LLUUID objectIDID);
+            private List<GenerateClientFlags> GenerateClientFlagsCheckFunctions = new List<GenerateClientFlags>();
+
+            public void addGenerateClientFlags(GenerateClientFlags delegateFunc)
+            {
+                if (!GenerateClientFlagsCheckFunctions.Contains(delegateFunc))
+                    GenerateClientFlagsCheckFunctions.Add(delegateFunc);
+            }
+            public void removeGenerateClientFlags(GenerateClientFlags delegateFunc)
+            {
+                if (GenerateClientFlagsCheckFunctions.Contains(delegateFunc))
+                    GenerateClientFlagsCheckFunctions.Remove(delegateFunc);
+            }
+
+            public uint ExternalChecksGenerateClientFlags(LLUUID userID, LLUUID objectID)
+            {
+				uint perms=(uint)2147483647;
+                foreach (GenerateClientFlags check in GenerateClientFlagsCheckFunctions)
+                {
+					perms &= check(userID, objectID);
+                }
+                return perms;
+            }
+
+            public delegate void SetBypassPermissions(bool value);
+            private List<SetBypassPermissions> SetBypassPermissionsCheckFunctions = new List<SetBypassPermissions>();
+
+            public void addSetBypassPermissions(SetBypassPermissions delegateFunc)
+            {
+                if (!SetBypassPermissionsCheckFunctions.Contains(delegateFunc))
+                    SetBypassPermissionsCheckFunctions.Add(delegateFunc);
+            }
+            public void removeSetBypassPermissions(SetBypassPermissions delegateFunc)
+            {
+                if (SetBypassPermissionsCheckFunctions.Contains(delegateFunc))
+                    SetBypassPermissionsCheckFunctions.Remove(delegateFunc);
+            }
+
+            public void ExternalChecksSetBypassPermissions(bool value)
+            {
+                foreach (SetBypassPermissions check in SetBypassPermissionsCheckFunctions)
+                {
+                    check(value);
+                }
+            }
+
+            public delegate bool BypassPermissions();
+            private List<BypassPermissions> BypassPermissionsCheckFunctions = new List<BypassPermissions>();
+
+            public void addBypassPermissions(BypassPermissions delegateFunc)
+            {
+                if (!BypassPermissionsCheckFunctions.Contains(delegateFunc))
+                    BypassPermissionsCheckFunctions.Add(delegateFunc);
+            }
+            public void removeBypassPermissions(BypassPermissions delegateFunc)
+            {
+                if (BypassPermissionsCheckFunctions.Contains(delegateFunc))
+                    BypassPermissionsCheckFunctions.Remove(delegateFunc);
+            }
+
+            public bool ExternalChecksBypassPermissions()
+            {
+                foreach (BypassPermissions check in BypassPermissionsCheckFunctions)
+                {
+                    if (check() == false)
+                    {
+                        return false;
+                    }
+                }
+                return true;
+            }
+
             #region REZ OBJECT
             public delegate bool CanRezObject(int objectCount, LLUUID owner, LLVector3 objectPosition, Scene scene);
             private List<CanRezObject> CanRezObjectCheckFunctions = new List<CanRezObject>();
@@ -654,4 +726,4 @@ namespace OpenSim.Region.Environment.Scenes
 
     }
 }
-    
\ No newline at end of file
+    
diff --git a/OpenSim/Region/Environment/Scenes/SceneManager.cs b/OpenSim/Region/Environment/Scenes/SceneManager.cs
index 1f1f39f..215ab75 100644
--- a/OpenSim/Region/Environment/Scenes/SceneManager.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneManager.cs
@@ -191,7 +191,7 @@ namespace OpenSim.Region.Environment.Scenes
 
         public void SetBypassPermissionsOnCurrentScene(bool bypassPermissions)
         {
-            ForEachCurrentScene(delegate(Scene scene) { scene.Permissions.BypassPermissions = bypassPermissions; });
+            ForEachCurrentScene(delegate(Scene scene) { scene.ExternalChecks.ExternalChecksSetBypassPermissions(bypassPermissions); });
         }
 
         private void ForEachCurrentScene(Action<Scene> func)
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
index 4a112ae..3ec6ed8 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectGroup.cs
@@ -1351,7 +1351,7 @@ namespace OpenSim.Region.Environment.Scenes
             if (part.OwnerID != cAgentID)
             {
                 // Apply Next Owner Permissions if we're not bypassing permissions
-                if (!m_scene.Permissions.BypassPermissions)
+                if (!m_scene.ExternalChecks.ExternalChecksBypassPermissions())
                     m_rootPart.ApplyNextOwnerPermissions();
             }
 
diff --git a/OpenSim/Region/Environment/Scenes/ScenePresence.cs b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
index 4ef0d27..8ac1a77 100644
--- a/OpenSim/Region/Environment/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Environment/Scenes/ScenePresence.cs
@@ -476,13 +476,7 @@ namespace OpenSim.Region.Environment.Scenes
 
         public uint GenerateClientFlags(LLUUID ObjectID)
         {
-			if(m_scene.Permissions == null)
-			{
-				SceneObjectPart task=m_scene.GetSceneObjectPart(ObjectID);
-
-				return task.GetEffectiveObjectFlags() | (uint)2147483647;
-			}
-            return m_scene.Permissions.GenerateClientFlags(m_uuid, ObjectID);
+            return m_scene.ExternalChecks.ExternalChecksGenerateClientFlags(m_uuid, ObjectID);
         }
 
         /// <summary>
-- 
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