Alpha code for Secret Persistence Policy. In Progress.

CASA/policy/PersistencePol.cs

@@ -22,6 +22,8 @@
 
 using System;
 using System.Collections;
+using System.Collections.Specialized;
+
 using System.Xml;
 using System.Xml.Serialization;
 
@@ -54,13 +56,91 @@ public class PersistencePol : CASAPol
         }
     }
 
-    public PersistencePol(string osName,string path, int time)
+	public PersistencePol(string osName,string path, int time)
+	{
+		policyType = CASAPolType.PERSISTENCE_POL;
+		os = osName;
+		filePath = path;
+		pollInterval = time;
+	}
+
+
+    public PersistencePol(string osName,string path, int time, Hashtable htPolicies)
     {
         policyType = CASAPolType.PERSISTENCE_POL;
         os = osName;
         filePath = path;
         pollInterval = time;
+		htSecretPolicys = htPolicies;
     }
+	
+	private Hashtable htSecretPolicys; // = new Hashtable();
+	public void SetSecretPolicy(string sSecretID, string sPolicyAttribID, string sPolicyAttribValue, string sDefaultValue)
+	{
+
+		if (htSecretPolicys == null)
+		{
+			htSecretPolicys = new Hashtable();
+		}
+
+		// find policys for given secretID
+		NameValueCollection nvc = (NameValueCollection)htSecretPolicys[sSecretID];
+		if (nvc == null)
+		{
+			nvc = new NameValueCollection();
+			htSecretPolicys.Add(sSecretID, nvc);		
+		}				
+
+		if (sPolicyAttribValue.Equals(sDefaultValue))
+		{			
+			nvc.Remove(sPolicyAttribID);
+		}
+		else
+		{
+			nvc.Set(sPolicyAttribID, sPolicyAttribValue);			
+		}
+	}
+
+	public bool GetSecretPolicy(string sSecretID, string sPolicyAttribID, bool bDefaultValue)
+	{
+		string sReturn = GetSecretPolicy(sSecretID, sPolicyAttribID, bDefaultValue.ToString());
+		return bool.Parse(sReturn);
+	}
+
+	public string GetSecretPolicy(string sSecretID, string sPolicyAttribID, string sDefaultValue)
+	{
+		if (htSecretPolicys != null)
+		{
+			NameValueCollection nvc = (NameValueCollection)htSecretPolicys[sSecretID];
+			if (nvc != null)
+			{
+				try
+				{
+					return nvc.GetValues(sPolicyAttribID)[0];
+				}
+				catch 
+				{
+				}
+			}
+		}
+
+		return sDefaultValue;
+	}
+
+	public ArrayList GetNonpersistentSecretIDs()
+	{
+		ArrayList al = new ArrayList();
+		
+		//enumerate all secrets loaded
+		IDictionaryEnumerator idEnum = htSecretPolicys.GetEnumerator();
+		while (idEnum.MoveNext())
+		{
+			string sSecretID = (string)idEnum.Key;
+			al.Add(sSecretID);
+		}		
+		
+		return al;
+	}
 
     public override void DumpPol()
     {
@@ -95,10 +175,40 @@ public class PersistencePol : CASAPol
             elem.InnerText = pollInterval.ToString();
         
             persistPolElem.AppendChild(elem);
+
+			// write out policy for secrets
+			// write out NameValueCollection			
+			XmlElement configElem = doc.CreateElement("SecretPolicies");
+			persistPolElem.AppendChild(configElem);
+
+			IDictionaryEnumerator ienum = htSecretPolicys.GetEnumerator();
+			while (ienum.MoveNext())
+			{
+				// get the collection for current SecretID
+				string sCurrentID = ienum.Key.ToString();
+				NameValueCollection nvc = (NameValueCollection)htSecretPolicys[sCurrentID];
+
+				// if no attributes exist, skip it
+				if (nvc.Count == 0) continue;
+
+				// create a policy element
+				XmlElement policyElement = doc.CreateElement("Secret");
+				policyElement.SetAttribute("id", sCurrentID);
+
+				// add all attributes
+				for (int i=0; i<nvc.Count; i++)
+				{
+					policyElement.SetAttribute(nvc.GetKey(i), nvc.GetValues(i)[0]);					
+				}
+
+				configElem.AppendChild(policyElement);
+			}
+			
+
         }
         catch(Exception e)
         {
-            //Console.WriteLine(e.ToString());
+            Console.WriteLine(e.ToString());
         }
     }
 }

CASA/policy/PolicyImpl.cs

@@ -22,6 +22,8 @@
 
 using System;
 using System.Collections;
+using System.Collections.Specialized;
+
 using System.Xml;
 using System.Xml.Serialization;
 using System.IO;
@@ -179,7 +181,49 @@ public class ICASAPol
                 XmlNode pollIntervalNode = persistenceNode.SelectSingleNode(xpath);
                 int pollInterval = Convert.ToInt32(pollIntervalNode.InnerText);
 
-                PersistencePol persistencePol = new PersistencePol(os,storeFileLocation, pollInterval);
+				// load SecretPolices
+				xpath = "//SecretPolicies";
+				XmlNode policyNode = persistenceNode.SelectSingleNode(xpath);
+				Hashtable htSecretPolicies = new Hashtable();
+				if (policyNode != null)
+				{						
+					XmlNodeList secretNodes = policyNode.ChildNodes;
+
+					IEnumerator ienum = secretNodes.GetEnumerator();
+					while (ienum.MoveNext())
+					{						
+						XmlNode node = (XmlNode)ienum.Current;
+						
+						// get the id
+						XmlAttributeCollection coll = node.Attributes;
+						XmlNode idNode = coll.GetNamedItem("id");
+						
+
+						// get the rest of the attributes
+						IEnumerator enumAttribs = coll.GetEnumerator();
+						NameValueCollection nvc = new NameValueCollection();						
+						while (enumAttribs.MoveNext())
+						{	
+							XmlAttribute attrib = (XmlAttribute)enumAttribs.Current;
+							if (!attrib.Name.Equals("id"))
+							{
+								nvc.Add(attrib.Name, attrib.Value);
+							}							
+						}	
+						
+						// add this one 
+						try
+						{
+							htSecretPolicies.Add(idNode.Value, nvc);
+						}
+						catch (Exception e)
+						{
+							//Console.WriteLine(e.ToString());
+						}
+					}
+				}
+
+                PersistencePol persistencePol = new PersistencePol(os,storeFileLocation, pollInterval, htSecretPolicies);
                 return persistencePol;
             }
         }