/* GIO - GLib Input, Output and Streaming Library

 *

 * Copyright 2016 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General

 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include "gportalsupport.h"

static gboolean use_portal;

static gboolean network_available;

static gboolean dconf_access;

static void

read_flatpak_info (void)

{

  static gsize flatpak_info_read = 0;

  const gchar *path = "/.flatpak-info";

  if (!g_once_init_enter (&flatpak_info_read))

    return;

  if (g_file_test (path, G_FILE_TEST_EXISTS))

    {

      GKeyFile *keyfile;

      use_portal = TRUE;

      network_available = FALSE;

      dconf_access = FALSE;

      keyfile = g_key_file_new ();

      if (g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, NULL))

        {

          char **shared = NULL;

          char *dconf_policy = NULL;

          shared = g_key_file_get_string_list (keyfile, "Context", "shared", NULL, NULL);

          if (shared)

            {

              network_available = g_strv_contains ((const char * const *)shared, "network");

              g_strfreev (shared);

            }

          dconf_policy = g_key_file_get_string (keyfile, "Session Bus Policy", "ca.desrt.dconf", NULL);

          if (dconf_policy)

            {

              if (strcmp (dconf_policy, "talk") == 0)

                dconf_access = TRUE;

              g_free (dconf_policy);

            }

        }

      g_key_file_unref (keyfile);

    }

  else

    {

      const char *var;

      var = g_getenv ("GTK_USE_PORTAL");

      if (var && var[0] == '1')

        use_portal = TRUE;

      network_available = TRUE;

      dconf_access = TRUE;

    }

  g_once_init_leave (&flatpak_info_read, 1);

}

gboolean

glib_should_use_portal (void)

{

  read_flatpak_info ();

  return use_portal;

}

gboolean

glib_network_available_in_sandbox (void)

{

  read_flatpak_info ();

  return network_available;

}

gboolean

glib_has_dconf_access_in_sandbox (void)

{

  read_flatpak_info ();

  return dconf_access;

}