glib/gio/gportalsupport.c

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2016 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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;
}