"""
Demonstrates prompting for credentials, saving, and loggging on with marshalled credential.
Also shows how to load user's profile
"""

import win32net, win32security, win32api, win32con
import win32profile, win32cred

## Prompt for a username/pwd for local computer
uiinfo={'MessageText':'Enter credentials for local machine','CaptionText':'win32cred_demo.py'}
target, pwd, save=win32cred.CredUIPromptForCredentials(TargetName=win32api.GetComputerName(), AuthError=0,
    Flags=win32cred.CREDUI_FLAGS_DO_NOT_PERSIST|win32cred.CREDUI_FLAGS_SHOW_SAVE_CHECK_BOX,
    Save=False, UiInfo=uiinfo)

attrs=[
    {'Keyword':'attr1', 'Flags':0, 'Value':u'unicode data'},
    {'Keyword':'attr2', 'Flags':0, 'Value':'character data'}
    ]
cred={'Comment':'Created by win32cred_demo.py', 'UserName':target, 'TargetAlias': None,
      'TargetName':target,'CredentialBlob':pwd, 'Flags':win32cred.CRED_FLAGS_USERNAME_TARGET,
      'Persist':win32cred.CRED_PERSIST_ENTERPRISE,'Type':win32cred.CRED_TYPE_DOMAIN_PASSWORD,
      'Attributes':attrs}
win32cred.CredWrite(cred)
pwd=None
print win32cred.CredRead(target, win32cred.CRED_TYPE_DOMAIN_PASSWORD)

## Marshal saved credential and use it to log on
mc=win32cred.CredMarshalCredential(win32cred.UsernameTargetCredential, target)
th=win32security.LogonUser(mc,None,'',win32con.LOGON32_LOGON_INTERACTIVE, win32con.LOGON32_PROVIDER_DEFAULT)
win32security.ImpersonateLoggedOnUser(th)
print 'GetUserName:',win32api.GetUserName()
win32security.RevertToSelf()

## Load user's profile.  (first check if user has a roaming profile)
username, domain=win32cred.CredUIParseUserName(target)
user_info_4=win32net.NetUserGetInfo(None, username, 4)
profilepath=user_info_4['profile']
## LoadUserProfile apparently doesn't like an empty string
if not profilepath:
    profilepath=None

## leave Flags in since 2.3 still chokes on some types of optional keyword args
hk=win32profile.LoadUserProfile(th, {'UserName':username, 'Flags':0, 'ProfilePath':profilepath})
## Get user's environment variables in a form that can be passed to win32process.CreateProcessAsUser
env=win32profile.CreateEnvironmentBlock(th,False)


## Cleanup should probably be in a finally block
win32profile.UnloadUserProfile(th, hk)
th.Close()