gio/gio-tool-open.c

   1 /*
   2  * Copyright 2015 Red Hat, Inc.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Author: Matthias Clasen <mclasen@redhat.com>
  18  */
  19
  20 #include "config.h"
  21
  22 #include <gio/gio.h>
  23
  24 #if defined(G_OS_UNIX) && !defined(HAVE_COCOA)
  25 #include <gio/gdesktopappinfo.h>
  26 #endif
  27
  28 #include <gi18n.h>
  29
  30 #include "gio-tool.h"
  31
  32
  33 static const GOptionEntry entries[] = {
  34   { NULL }
  35 };
  36
  37 #if defined(G_OS_UNIX) && !defined(HAVE_COCOA)
  38 static gboolean
  39 get_bus_name_and_path_from_uri (const char *uri,
  40                                 char **bus_name_out,
  41                                 char **object_path_out)
  42 {
  43   GAppInfo *app_info = NULL;
  44   char *bus_name = NULL;
  45   char *object_path = NULL;
  46   char *uri_scheme;
  47   const char *filename;
  48   char *basename = NULL;
  49   char *p;
  50   gboolean got_name = FALSE;
  51
  52   uri_scheme = g_uri_parse_scheme (uri);
  53   if (uri_scheme && uri_scheme[0] != '\0')
  54     app_info = g_app_info_get_default_for_uri_scheme (uri_scheme);
  55   g_free (uri_scheme);
  56
  57   if (app_info == NULL)
  58     {
  59       GFile *file;
  60
  61       file = g_file_new_for_uri (uri);
  62       app_info = g_file_query_default_handler (file, NULL, NULL);
  63       g_object_unref (file);
  64     }
  65
  66   if (app_info == NULL || !G_IS_DESKTOP_APP_INFO (app_info) ||
  67       !g_desktop_app_info_get_boolean (G_DESKTOP_APP_INFO (app_info), "DBusActivatable"))
  68     goto out;
  69
  70   filename = g_desktop_app_info_get_filename (G_DESKTOP_APP_INFO (app_info));
  71   if (filename == NULL)
  72     goto out;
  73
  74   basename = g_path_get_basename (filename);
  75   if (!g_str_has_suffix (basename, ".desktop"))
  76     goto out;
  77
  78   basename[strlen (basename) - strlen (".desktop")] = '\0';
  79   if (!g_dbus_is_name (basename))
  80     goto out;
  81
  82   bus_name = g_strdup (basename);
  83   object_path = g_strdup_printf ("/%s", bus_name);
  84   for (p = object_path; *p != '\0'; p++)
  85     if (*p == '.')
  86       *p = '/';
  87
  88   *bus_name_out = g_steal_pointer (&bus_name);
  89   *object_path_out = g_steal_pointer (&object_path);
  90   got_name = TRUE;
  91
  92 out:
  93   g_clear_object (&app_info);
  94   g_clear_pointer (&basename, g_free);
  95
  96   return got_name;
  97 }
  98 #endif
  99
 100 int
 101 handle_open (int argc, char *argv[], gboolean do_help)
 102 {
 103   GOptionContext *context;
 104   gchar *param;
 105   GError *error = NULL;
 106   int i;
 107   gboolean success;
 108   gboolean res;
 109
 110   g_set_prgname ("gio open");
 111
 112   /* Translators: commandline placeholder */
 113   param = g_strdup_printf ("%s…", _("LOCATION"));
 114   context = g_option_context_new (param);
 115   g_free (param);
 116   g_option_context_set_help_enabled (context, FALSE);
 117   g_option_context_set_summary (context,
 118       _("Open files with the default application that\n"
 119         "is registered to handle files of this type."));
 120   g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
 121
 122   if (do_help)
 123     {
 124       show_help (context, NULL);
 125       g_option_context_free (context);
 126       return 0;
 127     }
 128
 129   if (!g_option_context_parse (context, &argc, &argv, &error))
 130     {
 131       show_help (context, error->message);
 132       g_error_free (error);
 133       g_option_context_free (context);
 134       return 1;
 135     }
 136
 137   if (argc < 2)
 138     {
 139       show_help (context, _("No locations given"));
 140       g_option_context_free (context);
 141       return 1;
 142     }
 143
 144   g_option_context_free (context);
 145
 146   success = TRUE;
 147   for (i = 1; i < argc; i++)
 148     {
 149       char *uri = NULL;
 150       char *uri_scheme;
 151
 152       /* Workaround to handle non-URI locations. We still use the original
 153        * location for other cases, because GFile might modify the URI in ways
 154        * we don't want. See:
 155        * https://bugzilla.gnome.org/show_bug.cgi?id=779182 */
 156       uri_scheme = g_uri_parse_scheme (argv[i]);
 157       if (!uri_scheme || uri_scheme[0] == '\0')
 158         {
 159           GFile *file;
 160
 161           file = g_file_new_for_commandline_arg (argv[i]);
 162           uri = g_file_get_uri (file);
 163           g_object_unref (file);
 164         }
 165       g_free (uri_scheme);
 166
 167       res = g_app_info_launch_default_for_uri (uri ? uri : argv[i], NULL, &error);
 168       if (!res)
 169         {
 170           print_error ("%s: %s", uri ? uri : argv[i], error->message);
 171           g_clear_error (&error);
 172           success = FALSE;
 173         }
 174
 175 #if defined(G_OS_UNIX) && !defined(HAVE_COCOA)
 176       /* FIXME: This chunk of madness is a workaround for a dbus-daemon bug.
 177        * See https://bugzilla.gnome.org/show_bug.cgi?id=780296
 178        */
 179       if (res)
 180         {
 181           char *bus_name = NULL;
 182           char *object_path = NULL;
 183
 184           if (get_bus_name_and_path_from_uri (uri ? uri : argv[i], &bus_name, &object_path))
 185             {
 186               GDBusConnection *connection;
 187               connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
 188
 189               if (connection)
 190                 g_dbus_connection_call_sync (connection,
 191                                              bus_name,
 192                                              object_path,
 193                                              "org.freedesktop.DBus.Peer",
 194                                              "Ping",
 195                                              NULL, NULL,
 196                                              G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL);
 197               g_clear_object (&connection);
 198               g_free (bus_name);
 199               g_free (object_path);
 200             }
 201         }
 202 #endif
 203
 204       g_free (uri);
 205     }
 206
 207   return success ? 0 : 2;
 208 }