/***********************************************************************
*
* Copyright (C) 2005-2006 Novell, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, Novell, Inc.
*
* To contact Novell about this file by physical or electronic mail,
* you may find current contact information at www.novell.com.
*
***********************************************************************/
using System;
using System.Collections;
using System.Xml;
using System.IO;
using Novell.CASA;
using System.Collections.Specialized;
using Novell.CASA.DataEngines.Common;
namespace Novell.CASA.DataEngines
{
/*
* This class is implementation of Data engine for miCASA.
*/
//TBD: Generally we need to find out if fault is in parameter or miCASA or not available
class miCASAEngine : DataEngine
{
public SecretStore store = null;
public miCASAEngine()
{
//TBD: What happens here at miCASA end ?
store = SecretStore.getInstance();
}
public XmlNode Aggregate()
{
XmlDocument doc = new XmlDocument();
XmlElement key1;
XmlAttribute Atr;
XmlElement value1;
XmlElement mi_secret;
XmlAttribute synchAttr;
XmlAttribute secidAttr;
String sKey, sValue;
//Adding miCASA Top Node
XmlElement elem = doc.CreateElement(ConstStrings.miCASA);
doc.AppendChild(elem);
StringCollection sc = store.enumerateSecretIDs();
if (sc != null)
{
// Adding Keychain
XmlElement keychain = doc.CreateElement(ConstStrings.CCF_KEYCHAIN);
XmlAttribute id_attr = doc.CreateAttribute(ConstStrings.CCF_ID);
id_attr.Value = ConstStrings.CCF_KEYCHAINNAME;
keychain.SetAttributeNode(id_attr);
elem.AppendChild(keychain);
StringEnumerator se = sc.GetEnumerator();
se.Reset();
while (se.MoveNext())
{
Secret secret = store.getSecret(se.Current);
NameValueCollection nvc = secret.getKeyValueCollection();
mi_secret = doc.CreateElement(ConstStrings.CCF_SECRET);
synchAttr = doc.CreateAttribute(ConstStrings.CCF_SYNCH);
//TBD:
synchAttr.Value = "Persistent Secret" ;
secidAttr = doc.CreateAttribute(ConstStrings.CCF_ID);
secidAttr.Value = se.Current;
mi_secret.SetAttributeNode(secidAttr);
mi_secret.SetAttributeNode(synchAttr);
for (int i = 0; i < nvc.Count; i++)
{
sKey = nvc.GetKey(i);
sValue = nvc.Get(sKey);
//Key
key1 = doc.CreateElement(ConstStrings.CCF_KEY);
Atr = doc.CreateAttribute(ConstStrings.CCF_ID);
Atr.Value = sKey;
key1.SetAttributeNode(Atr);
//Value
value1 = doc.CreateElement(ConstStrings.CCF_VALUE);
value1.InnerText = sValue;
key1.AppendChild(value1);
mi_secret.AppendChild(key1);
}
/*
//Time
XmlElement Time1 = doc.CreateElement(ConstStrings.CCF_TIME);
XmlElement zone1 = doc.CreateElement(ConstStrings.CCF_ZONE);
zone1.InnerText = "IST";
XmlElement cr1 = doc.CreateElement(ConstStrings.CCF_CRTIME);
cr1.InnerText = null;
XmlElement mod1 = doc.CreateElement(ConstStrings.CCF_MDTIME);
mod1.InnerText = null;
XmlElement acc1 = doc.CreateElement(ConstStrings.CCF_ACTIME);
acc1.InnerText = null;
Time1.AppendChild(zone1);
Time1.AppendChild(cr1);
Time1.AppendChild(mod1);
Time1.AppendChild(acc1);
mi_secret.AppendChild(Time1);
*/
//Finally Add Secret to Elem
keychain.AppendChild(mi_secret);
}
}
return doc.ChildNodes[0];
}
internal bool KeyInNewList(NameValueCollection nvc, string key)
{
if (nvc != null)
{
for (int i = 0; i < nvc.Count; i++)
{
string sKey = nvc.GetKey(i);
if( key == sKey )
return true;
}
}
return false;
}
public int SetSecret(XmlNode secret, int opnType)
{
return SetSecret(secret);
}
public int SetSecret(XmlNode secret)
{
XmlAttributeCollection atcol = secret.Attributes;
String secretid = atcol["ID"].InnerXml;
Secret secretVal = store.getSecret(secretid);
NameValueCollection nvc = secretVal.getKeyValueCollection();
ArrayList existingKeyList;
if (nvc.Count == 0)
{
existingKeyList = null;
}
else
{
existingKeyList = new ArrayList();
}
for(int i = 0; i < nvc.Count; i++ )
{
existingKeyList.Add(nvc.GetKey(i));
}
XmlNodeList keylist = secret.SelectNodes("descendant::Key");
NameValueCollection newNVC = new System.Collections.Specialized.NameValueCollection();
foreach (XmlNode tuple in keylist)
{
//Get the Key
XmlAttributeCollection at = tuple.Attributes;
String keyname = (at["ID"]).InnerText;
newNVC.Add(keyname, tuple.ChildNodes[0].InnerText);
}
if(null != existingKeyList)
{
IEnumerator etor = existingKeyList.GetEnumerator();
while( etor.MoveNext() )
{
string key = (string)etor.Current;
if(KeyInNewList(newNVC,key) == false)
{
secretVal.removeKey(key,0);
}
}
}
for(int i = 0 ; i < newNVC.Count ; i++)
{
string key = newNVC.GetKey(i);
secretVal.setKeyValuePair(key,newNVC.Get(key));
}
// TBD: Return Value ??
store.setSecret(0, secretVal, Secret.SS_CREDSET);
return ConstStrings.CASA_SUCCESS;
}
public int GetSecret(XmlNode secret)
{
XmlDocument doc;
XmlElement key1;
XmlAttribute Atr;
XmlElement value1;
XmlElement mi_secret;
XmlAttribute synchAttr;
XmlAttribute secidAttr;
String sKey, sValue;
XmlAttributeCollection atcol = secret.Attributes;
String secretid = atcol["ID"].InnerXml;
Secret secretVal = store.getSecret(secretid);
NameValueCollection nvc = secretVal.getKeyValueCollection();
if (nvc.Count == 0)
{
//Console.WriteLine("Secret got deleted, ID is " + secretid) ;
return ConstStrings.CASA_DATA_UNAVAILABLE;
}
else
{
//Console.WriteLine("Got the secret from miCASA.");
doc = secret.OwnerDocument;
XmlNode root = secret.ParentNode;
XmlNode keychain = secret.ParentNode;
// Delete the Secret Node.
root.RemoveChild(secret);
mi_secret = doc.CreateElement(ConstStrings.CCF_SECRET);
synchAttr = doc.CreateAttribute("Synch");
synchAttr.Value = "Persistent Secret";
secidAttr = doc.CreateAttribute(ConstStrings.CCF_ID);
secidAttr.Value = secretid;
mi_secret.SetAttributeNode(secidAttr);
mi_secret.SetAttributeNode(synchAttr);
for (int i = 0; i < nvc.Count; i++)
{
sKey = nvc.GetKey(i);
sValue = nvc.Get(sKey);
//Key
key1 = doc.CreateElement(ConstStrings.CCF_KEY);
Atr = doc.CreateAttribute(ConstStrings.CCF_ID);
Atr.Value = sKey;
key1.SetAttributeNode(Atr);
//Value
value1 = doc.CreateElement(ConstStrings.CCF_VALUE);
value1.InnerText = sValue;
key1.AppendChild(value1);
mi_secret.AppendChild(key1);
//Console.WriteLine(sKey + " = " + sValue);
}
//Time
XmlElement Time1 = doc.CreateElement(ConstStrings.CCF_TIME);
XmlElement zone1 = doc.CreateElement(ConstStrings.CCF_ZONE);
zone1.InnerText = "IST";
XmlElement cr1 = doc.CreateElement(ConstStrings.CCF_CRTIME);
cr1.InnerText = null;
XmlElement mod1 = doc.CreateElement(ConstStrings.CCF_MDTIME);
mod1.InnerText = null;
XmlElement acc1 = doc.CreateElement(ConstStrings.CCF_ACTIME);
acc1.InnerText = null;
Time1.AppendChild(zone1);
Time1.AppendChild(cr1);
Time1.AppendChild(mod1);
Time1.AppendChild(acc1);
mi_secret.AppendChild(Time1);
//Finally Add Secret to Elem
keychain.AppendChild(mi_secret);
return ConstStrings.CASA_SUCCESS;
}
}
public int Remove(XmlNode secret)
{
XmlAttributeCollection atcol = secret.Attributes;
String secretid = atcol["ID"].InnerXml;
//TBD: Why no other overloaded API
store.removeSecret(secretid.Substring(secretid.IndexOf(":")+1), Secret.SS_CREDSET);
XmlNode root = secret.ParentNode;
root.RemoveChild(secret);
return ConstStrings.CASA_SUCCESS;
}
}
}