/// <summary>
/// Executes the specified method under the specified credentials.
/// </summary>
/// <param name="methodToRunAs"></param>
/// <param name="userName"></param>
/// <param name="password"></param>
/// <param name="domain"></param>
public static void RunAs(RunAsDelegate methodToRunAs, string userName, string password, string domain)
{
IntPtr token = IntPtr.Zero;
IntPtr hTokenDuplicate = IntPtr.Zero;
try
{
if (RevertToSelf() != 0)
{
if (LogonUser(
userName,
domain,
password,
LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT,
out token))
{
if (DuplicateToken(token, SECURITY_IMPERSONATION_LEVEL.SecurityImpersonation, ref hTokenDuplicate) != 0)
{
WindowsIdentity tempWindowsIdentity = new WindowsIdentity(hTokenDuplicate);
using (WindowsImpersonationContext impersonationContext = tempWindowsIdentity.Impersonate())
{
methodToRunAs();
impersonationContext.Undo();
}
}
else
{
throw new ImpersonationException(userName);
}
}
else
{
throw new ImpersonationException(userName);
}
}
else
{
throw new ImpersonationException(userName);
}
}
finally
{
if (token != IntPtr.Zero)
{
CloseHandle(token);
}
if (hTokenDuplicate != IntPtr.Zero)
{
CloseHandle(hTokenDuplicate);
}
}
}
// ReSharper disable MethodOverloadWithOptionalParameter
/// <summary>
/// Executes the specified method with the specified parameters and returns the result using the specified SharePoint 2010 Secure Store Provider Type Name and SharePoint 2010 Secure Store Application Id.
/// </summary>
/// <param name="providerTypeName"></param>
/// <param name="applicationId"></param>
/// <param name="methodToRunAs"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public static object RunAs(string providerTypeName, string applicationId, RunAsDelegate methodToRunAs, params object[] parameters)
{
object result;
using (ImpersonationHelper impersonationContext = new ImpersonationHelper(providerTypeName, applicationId))
{
impersonationContext.ImpersonateUser();
try
{
result = methodToRunAs.DynamicInvoke(parameters);
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
}
return(result);
}
public static void RunAs(RunAsDelegate MethodToRunAs, string Username, string Password)
{
string userName;
string domain;
if (Username.IndexOf('\\') > 0)
{
//a domain name was supplied
string[] usernameArray = Username.Split('\\');
userName = usernameArray[1];
domain = usernameArray[0];
}
else
{
//there was no domain name supplied
userName = Username;
domain = ".";
}
RunAs(MethodToRunAs, userName, Password, domain);
}
public static void RunAs(RunAsDelegate MethodToRunAs, string Username, string Password)
{
string userName;
string domain;
if (Username.IndexOf('\\') > 0)
{
//a domain name was supplied
string[] usernameArray = Username.Split('\\');
userName = usernameArray[1];
domain = usernameArray[0];
}
else
{
//there was no domain name supplied
userName = Username;
domain = ".";
}
RunAs(MethodToRunAs, userName, Password, domain);
}
public static void RunAs(RunAsDelegate MethodToRunAs, string Username, string Password, string Domain)
{
IntPtr imp_token;
WindowsIdentity wid_admin = null;
WindowsImpersonationContext wic = null;
try
{
if (LogonUser(Username, string.IsNullOrEmpty(Domain) ? "." : Domain, Password, 9, 0, out imp_token))
{
//the impersonation suceeded
wid_admin = new WindowsIdentity(imp_token);
wic = wid_admin.Impersonate();
//run the delegate method
MethodToRunAs();
}
else
{
throw new Exception(string.Format("Could not impersonate user {0} in domain {1} with the specified password.", Username, Domain));
}
}
catch (Exception se)
{
int ret = Marshal.GetLastWin32Error();
if (wic != null)
{
wic.Undo();
}
throw new Exception("Error code: " + ret.ToString(), se);
}
finally
{
//revert to self
if (wic != null)
{
wic.Undo();
}
}
}
public static void RunAs(RunAsDelegate MethodToRunAs, string Username, string Password, string Domain)
{
IntPtr imp_token;
WindowsIdentity wid_admin = null;
WindowsImpersonationContext wic = null;
try
{
if (LogonUser(Username, string.IsNullOrEmpty(Domain) ? "." : Domain, Password, 9, 0, out imp_token))
{
//the impersonation suceeded
wid_admin = new WindowsIdentity(imp_token);
wic = wid_admin.Impersonate();
//run the delegate method
MethodToRunAs();
}
else
{
throw new Exception(string.Format("Could not impersonate user {0} in domain {1} with the specified password.", Username, Domain));
}
}
catch (Exception se)
{
int ret = Marshal.GetLastWin32Error();
if (wic != null)
{
wic.Undo();
}
throw new Exception("Error code: " + ret.ToString(), se);
}
finally
{
//revert to self
if (wic != null)
{
wic.Undo();
}
}
}
/// <summary>
/// Executes the specified method using the specified SharePoint 2010 Secure Store provider type name and SharePoint 2010 Secure Store Application Id.
/// </summary>
/// <param name="providerTypeName"></param>
/// <param name="applicationId"></param>
/// <param name="methodToRunAs"></param>
public static void RunAs(string providerTypeName, string applicationId, RunAsDelegate methodToRunAs)
{
RunAs(providerTypeName, applicationId, methodToRunAs, new object[] { });
}
