#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
import ctypes
import os
import re
import subprocess


class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection

    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))

    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)


def ExecuteCmd(cmd):
    with disable_file_system_redirection():
        obj = subprocess.Popen(["powershell", cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        out, err = obj.communicate()
        return out, err


credlist = ExecuteCmd("cmdkey /list")[0]
if credlist != '' and "* NONE *" not in credlist:
    TargetList = re.findall("Target.+", credlist)
    if len(TargetList) != 0:
        for Target in TargetList:
            DltCred = Target.replace("Target: ", "")
            if "deleted successfully" in ExecuteCmd("cmdkey /delete:" + DltCred)[0]:
                print "Credentials deleted [" + DltCred + "]"
elif "* NONE *" in credlist:
    print "Credentials not available [empty]"



if "* NONE *" not in credlist:
    print "System is restarting...."
    os.popen("shutdown -r -t 0")