[cgiapp] In need of suggestions. . .

["Jason A. Crome" <suppressed>]

Greetings all,

In my C::A based web applications, I have traditionally created a 
parameter named "message" that I set when I want an informational 
message to display at the top of the output page.  cgiapp_postrun() 
picks up on the existence of message and outputs that to my HTML template.

This has worked nicely, until now, mainly because it was all contained 
within the same script.  Check out the code snipped below:

    # Check the login credentials
    my $username = untaint_string($self->query->param("username"));
    my $password = untaint_string($self->query->param("password"));

    if($username ne "" and $password ne "")
    {
        use KW::Users;
        my $user = KW::Users->retrieve($username);

        if($user and $user->login_password eq encrypt($password))
        {
            # Last check!  User info matches, but are they active?
            if($user->active_yn eq "Y")
            {
                # Log the user in
                $self->session->param("username", $username);
                $self->session->param("is_logged_in", 1);
            }
        }
    }

    $self->param("message", "Please enter a valid username and password 
combination.")
        unless $self->session->param("is_logged_in");

    # Return the user to their chosen destination
    return $self->redirect($redirect);

I realized that as my app grew more complex, I might want to redirect to 
another script upon successful login (or whatever else I am doing).  If 
I need to pass a message when I redirect though, I'm screwed.  The 
redirection might take me to another script running in another Apache 
process, and that wouldn't have access to the message parameter in the 
originating process.

I need a way to pass parameters between the scripts.  The logical choice 
is through the user's session, but that makes more than a few places 
that I would have to check to clear the message field if it is not needed.

Is there something simple I'm missing?

Thanks in advance!
Jason

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