private XmlDocument UpdateDocumentVersion(XmlDocument document, Stream stream)
{
string innerText = document.SelectSingleNode("/Credentials/version").InnerText;
if (innerText != "1.0")
{
throw new ArgumentException(string.Format("Cannot convert document version {0} to version {1}", (object)innerText, (object)"2.0"));
}
XmlDocument credentialsXmlDocument = document;
try
{
XmlDocument xmlDocument = (XmlDocument)credentialsXmlDocument.CloneNode(true);
xmlDocument.SelectSingleNode("/Credentials/version").InnerText = "2.0";
XmlNodeList xmlNodeList = xmlDocument.SelectNodes("/Credentials/passwordEntry");
if (xmlNodeList != null)
{
foreach (XmlNode xmlNode in xmlNodeList)
{
char[] password = CredentialStore.UnobfuscatePassword(xmlNode["password"].InnerText, xmlNode["host"].InnerText, xmlNode["username"].InnerText);
xmlNode["password"].InnerText = CredentialStore.EncryptPassword(password);
}
credentialsXmlDocument = xmlDocument;
CredentialStore.SaveCredentialsDocument(credentialsXmlDocument, stream);
}
}
catch
{
}
return(credentialsXmlDocument);
}
public void ClearPasswords()
{
if (this._objectAlreadyDisposed)
{
throw new ObjectDisposedException("CredentialStore");
}
if (!File.Exists(this._credentialFilePath))
{
return;
}
FileStream fileStream = (FileStream)null;
try
{
fileStream = this.OpenFile(FileShare.None);
XmlDocument credentialsXmlDocument = this.LoadCredentialsDocument((Stream)fileStream);
XmlNode xmlNode = credentialsXmlDocument.SelectSingleNode("/Credentials");
foreach (XmlNode oldChild in credentialsXmlDocument.SelectNodes("/Credentials/passwordEntry"))
{
xmlNode.RemoveChild(oldChild);
}
CredentialStore.SaveCredentialsDocument(credentialsXmlDocument, (Stream)fileStream);
}
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
}
public bool RemovePassword(string host, string username)
{
if (this._objectAlreadyDisposed)
{
throw new ObjectDisposedException("CredentialStore");
}
bool flag = false;
if (File.Exists(this._credentialFilePath))
{
FileStream fileStream = (FileStream)null;
try
{
fileStream = this.OpenFile(FileShare.None);
XmlDocument credentialsXmlDocument = this.LoadCredentialsDocument((Stream)fileStream);
XmlNode credentialNode = CredentialStore.GetCredentialNode(credentialsXmlDocument, host, username, this._isUsernameCaseSensitive);
flag = credentialNode != null;
if (credentialNode != null)
{
credentialsXmlDocument.SelectSingleNode("/Credentials").RemoveChild(credentialNode);
CredentialStore.SaveCredentialsDocument(credentialsXmlDocument, (Stream)fileStream);
}
}
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
}
return(flag);
}
public bool AddPassword(string host, string username, char[] password)
{
if (this._objectAlreadyDisposed)
{
throw new ObjectDisposedException("CredentialStore");
}
if (string.IsNullOrEmpty(host))
{
throw new ArgumentException("Host name cannot be empty.", "host");
}
if (string.IsNullOrEmpty(username))
{
throw new ArgumentException("User name cannot be empty.", "username");
}
if (password == null)
{
password = new char[0];
}
FileStream fileStream = (FileStream)null;
bool flag;
try
{
if (!File.Exists(this._credentialFilePath))
{
using (File.Create(this._credentialFilePath, 8192, FileOptions.RandomAccess, CredentialStore.GetSecuritySettings()))
;
fileStream = this.OpenFile(FileShare.None);
CredentialStore.InitializeCredentialsDocument((Stream)fileStream);
}
else
{
fileStream = this.OpenFile(FileShare.None);
}
XmlDocument credentialsXmlDocument = this.LoadCredentialsDocument((Stream)fileStream);
XmlNode xmlNode = CredentialStore.GetCredentialNode(credentialsXmlDocument, host, username, this._isUsernameCaseSensitive);
flag = xmlNode == null;
if (xmlNode == null)
{
xmlNode = (XmlNode)credentialsXmlDocument.CreateElement("passwordEntry");
}
else
{
xmlNode.RemoveAll();
}
CredentialStore.FillCredentialNode(xmlNode, host, username, password);
Array.Clear((Array)password, 0, password.Length);
credentialsXmlDocument.SelectSingleNode("/Credentials").AppendChild(xmlNode);
CredentialStore.SaveCredentialsDocument(credentialsXmlDocument, (Stream)fileStream);
}
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
return(flag);
}
private static void InitializeCredentialsDocument(Stream credentialsFile)
{
XmlDocument credentialsXmlDocument = new XmlDocument();
credentialsXmlDocument.AppendChild((XmlNode)credentialsXmlDocument.CreateXmlDeclaration("1.0", "UTF-8", (string)null));
XmlElement element1 = credentialsXmlDocument.CreateElement("Credentials");
XmlElement element2 = credentialsXmlDocument.CreateElement("version");
element2.InnerText = "2.0";
element1.AppendChild((XmlNode)element2);
credentialsXmlDocument.AppendChild((XmlNode)element1);
CredentialStore.SaveCredentialsDocument(credentialsXmlDocument, credentialsFile);
}