[development] Rules action to impersonate a user

[Lluís Forns]

Darren, thanks for the link. What is the difference between using global or
static to save the data?



2013/1/21 Lluís Forns <enboig at gmail.com>

> My code was from a module where impersonation recursively could happen,
> this is why I use a stack to save user state. I am also saving it to
> session and not using a static variable because I may uses batch functions.
>
> But I see some problems right now:
> - To be safe impersonation should be saved into static variables (and
> "using session_save_session(FALSE);" ), so if anything goes wrong, $user is
> not afected.
> - If I want to be able to execute every Rules action in a batch, I need to
> change user "per action"
>
> Any idea of how to "inject" code before and after a rule action?
>
>
> 2013/1/21 Walt Daniels <wdlists at gmail.com>
>
>> We do the latter simple trick in our store code so we can show people the
>> member prices. We have a dummy id that is a member so we switch to it, pick
>> up the price and use it so we can show both member and non-member prices on
>> the screen.
>>
>>
>> On Mon, Jan 21, 2013 at 9:18 AM, Christian López Espínola <
>> penyaskito at computer.org> wrote:
>>
>>> Haven't tested your code, but maybe you want to take a look at masquerade_switch_user
>>> and masquerade_switch_back:
>>> http://drupalcode.org/project/masquerade.git/blob/HEAD:/masquerade.module
>>> .
>>>
>>> And if the impersonation is only for the given request, maybe just
>>>
>>>  global $user;
>>>  $previous = $user;
>>>  $user = user_load($uid);
>>>  // Do your stuff.
>>>  $user = $previous;
>>>
>>> would work.
>>>
>>>
>>>
>>> On Mon, Jan 21, 2013 at 10:37 AM, Lluís Forns <enboig at gmail.com> wrote:
>>>
>>>> Some of my scheduled task needs to run as the user who triggered them
>>>> (not anonymous neither admin); so I thought of writing two actions:
>>>> - One to impersonate a user, which will receive uid as an argument.
>>>> - Another to undo the impersonate.
>>>> All the called actions should be between them.
>>>>
>>>> Anybody see any fault in this idea or the actions code?
>>>>
>>>> Thanks.
>>>>
>>>> function wu_action_impersonate($uid) {
>>>>   global $user;
>>>>   if (!array_key_exists('wu_action_impersonate', $_SESSION)) {
>>>>     $_SESSION['wu_action_impersonate'] = array();
>>>>   }
>>>>   array_push($_SESSION['wu_action_impersonate'], $user);
>>>>   session_save_session(FALSE);
>>>>   $user = user_load($uid);
>>>>   user_load($uid);
>>>> }
>>>>
>>>> function wu_action_unimpersonate() {
>>>>   global $user;
>>>>   if (array_key_exists('wu_action_impersonate', $_SESSION)) {
>>>>     if (!empty($_SESSION['wu_action_impersonate'])) {
>>>>       $user = array_pop($_SESSION['wu_action_impersonate']);
>>>>     }
>>>>     if (empty($_SESSION['wu_action_impersonate'])) {
>>>>       unset($_SESSION['wu_action_impersonate']);
>>>>     }
>>>>   }
>>>>   session_save_session(TRUE);
>>>> }
>>>>
>>>> --
>>>> *Ser freak no és imprescindible per ser informàtic, però ajuda.
>>>> *La vida no ha de ser feliç, ha de ser plena.
>>>> *Abans d'imprimir aquest missatge, pensa en el medi ambient.
>>>>
>>>
>>>
>>>
>>> --
>>> Cheers,
>>>
>>> Christian López Espínola <penyaskito AT computer DOT org>
>>> http://twitter.com/penyaskito | http://penyaskito.com
>>>
>>
>>
>
>
> --
> *Ser freak no és imprescindible per ser informàtic, però ajuda.
> *La vida no ha de ser feliç, ha de ser plena.
> *Abans d'imprimir aquest missatge, pensa en el medi ambient.
>



-- 
*Ser freak no és imprescindible per ser informàtic, però ajuda.
*La vida no ha de ser feliç, ha de ser plena.
*Abans d'imprimir aquest missatge, pensa en el medi ambient.
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