From e379566e6e3bed0d7001f099a5ea8dfd648d76cf Mon Sep 17 00:00:00 2001
From: Diva Canto
Date: Thu, 20 Sep 2012 19:50:57 -0700
Subject: Improvement over last commit: refactor the asset permissions code, so
 that it can be used by both the HG Asset Service and the simulator. Also
 renamed the config vars to something more intuitive

---
 .../Services/HypergridService/HGAssetService.cs    | 63 ++--------------------
 1 file changed, 5 insertions(+), 58 deletions(-)

(limited to 'OpenSim/Services/HypergridService/HGAssetService.cs')

diff --git a/OpenSim/Services/HypergridService/HGAssetService.cs b/OpenSim/Services/HypergridService/HGAssetService.cs
index d6541c4..f1275a0 100644
--- a/OpenSim/Services/HypergridService/HGAssetService.cs
+++ b/OpenSim/Services/HypergridService/HGAssetService.cs
@@ -58,8 +58,7 @@ namespace OpenSim.Services.HypergridService
 
         private UserAccountCache m_Cache;
 
-        private bool[] m_DisallowGET, m_DisallowPOST;
-        private string[] m_AssetTypeNames;
+        private AssetPermissions m_AssetPerms;
 
         public HGAssetService(IConfigSource config, string configName) : base(config, configName)
         {
@@ -85,31 +84,7 @@ namespace OpenSim.Services.HypergridService
             m_Cache = UserAccountCache.CreateUserAccountCache(m_UserAccountService);
 
             // Permissions
-            Type enumType = typeof(AssetType);
-            m_AssetTypeNames = Enum.GetNames(enumType);
-            for (int i = 0; i < m_AssetTypeNames.Length; i++)
-                m_AssetTypeNames[i] = m_AssetTypeNames[i].ToLower();
-            int n = Enum.GetValues(enumType).Length;
-            m_DisallowGET = new bool[n];
-            m_DisallowPOST = new bool[n];
-
-            LoadPermsFromConfig(assetConfig, "DisallowGET", m_DisallowGET);
-            LoadPermsFromConfig(assetConfig, "DisallowPOST", m_DisallowPOST);
-
-        }
-
-        private void LoadPermsFromConfig(IConfig assetConfig, string variable, bool[] bitArray)
-        {
-            string perms = assetConfig.GetString(variable, String.Empty);
-            string[] parts = perms.Split(new char[] {','}, StringSplitOptions.RemoveEmptyEntries);
-            foreach (string s in parts)
-            {
-                int index = Array.IndexOf(m_AssetTypeNames, s.Trim().ToLower());
-                if (index >= 0)
-                    bitArray[index] = true;
-                else
-                    m_log.WarnFormat("[HGAsset Service]: Invalid AssetType {0}", s);
-            }
+            m_AssetPerms = new AssetPermissions(assetConfig);
 
         }
 
@@ -121,7 +96,7 @@ namespace OpenSim.Services.HypergridService
             if (asset == null)
                 return null;
 
-            if (!AllowedGet(asset.Type))
+            if (!m_AssetPerms.AllowedExport(asset.Type))
                 return null;
 
             if (asset.Metadata.Type == (sbyte)AssetType.Object)
@@ -151,7 +126,7 @@ namespace OpenSim.Services.HypergridService
             if (asset == null)
                 return null;
 
-            if (!AllowedGet(asset.Type))
+            if (!m_AssetPerms.AllowedExport(asset.Type))
                 return null;
 
             return asset.Data;
@@ -161,7 +136,7 @@ namespace OpenSim.Services.HypergridService
 
         public override string Store(AssetBase asset)
         {
-            if (!AllowedPost(asset.Type))
+            if (!m_AssetPerms.AllowedImport(asset.Type))
                 return UUID.Zero.ToString();
 
             return base.Store(asset);
@@ -175,34 +150,6 @@ namespace OpenSim.Services.HypergridService
 
         #endregion 
 
-        protected bool AllowedGet(sbyte type)
-        {
-            string assetTypeName = ((AssetType)type).ToString();
-
-            int index = Array.IndexOf(m_AssetTypeNames, assetTypeName.ToLower());
-            if (index >= 0 && m_DisallowGET[index])
-            {
-                m_log.DebugFormat("[HGAsset Service]: GET denied: service does not allow export of AssetType {0}", assetTypeName);
-                return false;
-            }
-
-            return true;
-        }
-
-        protected bool AllowedPost(sbyte type)
-        {
-            string assetTypeName = ((AssetType)type).ToString();
-
-            int index = Array.IndexOf(m_AssetTypeNames, assetTypeName.ToLower());
-            if (index >= 0 && m_DisallowPOST[index])
-            {
-                m_log.DebugFormat("[HGAsset Service]: POST denied: service does not allow import of AssetType {0}", assetTypeName);
-                return false;
-            }
-
-            return true;
-        }
-
         protected void AdjustIdentifiers(AssetMetadata meta)
         {
             if (meta == null || m_Cache == null)
-- 
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