blob: 9e3462d89c14d4458cd51792917628adc2a8687f [file] [log] [blame]
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Updates Chrome's "lastrun" value for the current user in HKCU."""
import _winreg
import optparse
import sys
import time
def UpdateLastrun(client_state_key_path):
""" Updates Chrome's "lastrun" value in the registry to the current time.
client_state_key_path: The path to Chrome's ClientState key in the registry.
# time.time returns seconds since the Unix epoch. Chrome uses microseconds
# since the Windows epoch. Adjust based on values inspired by
#, which uses 100-nanosecond
# ticks.
now_us = str(int(time.time() * 1000000 + 11644473600000000L))
with _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, client_state_key_path, 0,
_winreg.KEY_SET_VALUE |
_winreg.KEY_WOW64_32KEY) as key:
_winreg.SetValueEx(key, 'lastrun', 0, _winreg.REG_SZ, now_us)
except WindowsError:
raise KeyError('Failed opening registry key HKEY_CURRENT_USER\\%s'
% client_state_key_path)
return 0
def main():
usage = 'usage: %prog client_state_key_path'
parser = optparse.OptionParser(usage,
description='Update Chrome\'s "lastrun" value.')
_, args = parser.parse_args()
if len(args) != 1:
parser.error('Incorrect number of arguments.')
return 0
if __name__ == '__main__':