path: root/mail/session.c

/*
 * session.c: handles the session information and resource manipulation
 *
 * Author:
 *   Miguel de Icaza (miguel@gnu.org)
 *
 * (C) 2000 Helix Code, Inc. http://www.helixcode.com
 */
#include <config.h>
#include <gnome.h>
#include "mail.h"
#include "mail-threads.h"
#include "e-util/e-setup.h"

CamelSession *session;
GHashTable *passwords;

/* FIXME: Will this ever be called in a non-async
 * manner? Better hope not, cause if that happens
 * we deadlock....
 */

#ifdef USE_BROKEN_THREADS
#define ASYNC_AUTH_CALLBACK
#endif

#ifndef ASYNC_AUTH_CALLBACK
static void
request_callback (gchar *string, gpointer data)
{
    char **ans = data;

    if (string)
        *ans = g_strdup(string);
    else
        *ans = NULL;
}
#endif

char *
mail_request_dialog (const char *prompt, gboolean secret, const char *key)
{
#ifndef ASYNC_AUTH_CALLBACK
    GtkWidget *dialog;
#endif

    char *ans;

    if (!passwords)
        passwords = g_hash_table_new (g_str_hash, g_str_equal);

    ans = g_hash_table_lookup (passwords, key);
    if (ans)
        return g_strdup (ans);

#ifndef ASYNC_AUTH_CALLBACK
    /* XXX parent window? */
    dialog = gnome_request_dialog (secret, prompt, NULL, 0,
                       request_callback, &ans, NULL);
    if (!dialog)
        return NULL;
    if (gnome_dialog_run_and_close (GNOME_DIALOG (dialog)) == -1 ||
        ans == NULL)
        return NULL;
#else
    if (!mail_op_get_password (data, secret, &ans))
        return NULL;
#endif

    g_hash_table_insert (passwords, g_strdup (key), g_strdup (ans));
    return ans;
}

static char *
auth_callback (CamelAuthCallbackMode mode, char *data, gboolean secret,
           CamelService *service, char *item, CamelException *ex)
{
    char *key, *ans;

    if (!passwords)
        passwords = g_hash_table_new (g_str_hash, g_str_equal);

    key = g_strdup_printf ("%s:%s",
                   camel_url_to_string (service->url, FALSE),
                   item);

    if (mode == CAMEL_AUTHENTICATOR_TELL) {
        if (!data) {
            g_hash_table_remove (passwords, key);
            g_free (key);
        } else {
            gpointer old_key, old_data;

            if (g_hash_table_lookup_extended (passwords, key,
                              &old_key,
                              &old_data)) {
                g_hash_table_insert (passwords, old_key, data);
                g_free (old_data);
                g_free (key);
            } else
                g_hash_table_insert (passwords, key, data);
        }

        return NULL;
    }

    ans = mail_request_dialog (data, secret, key);
    g_free (key);

    if (!ans) {
        camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL,
                     "User canceled operation.");
    }

    return ans;
}

void
session_init (void)
{
    e_setup_base_dir ();
    camel_init ();

    session = camel_session_new (auth_callback);
}

static gboolean
free_entry (gpointer key, gpointer value, gpointer user_data)
{
    g_free (key);
    memset (value, 0, strlen (value));
    g_free (value);
    return TRUE;
}

void
forget_passwords (BonoboUIHandler *uih, void *user_data, const char *path)
{
    g_hash_table_foreach_remove (passwords, free_entry, NULL);
}