gio/gportalsupport.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright 2016 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "config.h"
  20
  21 #include "gportalsupport.h"
  22
  23 static gboolean flatpak_info_read;
  24 static gboolean use_portal;
  25 static gboolean network_available;
  26
  27 static void
  28 read_flatpak_info (void)
  29 {
  30   const gchar *path = "/.flatpak-info";
  31
  32   if (flatpak_info_read)
  33     return;
  34
  35   flatpak_info_read = TRUE;
  36
  37   if (g_file_test (path, G_FILE_TEST_EXISTS))
  38     {
  39       GKeyFile *keyfile;
  40
  41       use_portal = TRUE;
  42       network_available = FALSE;
  43
  44       keyfile = g_key_file_new ();
  45       if (g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, NULL))
  46         {
  47           char **shared = NULL;
  48
  49           shared = g_key_file_get_string_list (keyfile, "Context", "shared", NULL, NULL);
  50           if (shared)
  51             {
  52               network_available = g_strv_contains ((const char * const *)shared, "network");
  53               g_strfreev (shared);
  54             }
  55         }
  56
  57       g_key_file_unref (keyfile);
  58     }
  59   else
  60     {
  61       const char *var;
  62
  63       var = g_getenv ("GTK_USE_PORTAL");
  64       if (var && var[0] == '1')
  65         use_portal = TRUE;
  66       network_available = TRUE;
  67     }
  68 }
  69
  70 gboolean
  71 glib_should_use_portal (void)
  72 {
  73   read_flatpak_info ();
  74   return use_portal;
  75 }
  76
  77 gboolean
  78 glib_network_available_in_sandbox (void)
  79 {
  80   read_flatpak_info ();
  81   return network_available;
  82 }
  83