Support the trash portal

When we are in a sandbox, try to trash files via a portal.
It works.
This commit is contained in:
Matthias Clasen 2018-08-23 04:24:42 +00:00
parent 799b6678be
commit bca4ff7c5e
6 changed files with 213 additions and 1 deletions

View File

@ -75,6 +75,7 @@ if get_option('gtk_doc')
'gsocks5proxy.h',
'gsubprocesslauncher-private.h',
'gthreadedresolver.h',
'gtrashportal.h',
'gunionvolumemonitor.h',
'gunixmount.h',
'gunixresolver.h',

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@ -66,6 +66,8 @@
#include "glibintl.h"
#ifdef G_OS_UNIX
#include "glib-unix.h"
#include "gportalsupport.h"
#include "gtrashportal.h"
#endif
#include "glib-private.h"
@ -1950,6 +1952,9 @@ g_local_file_trash (GFile *file,
GVfs *vfs;
int errsv;
if (glib_should_use_portal ())
return g_trash_portal_trash_file (file, error);
if (g_lstat (local->filename, &file_stat) != 0)
{
errsv = errno;

123
gio/gtrashportal.c Normal file
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@ -0,0 +1,123 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2018, 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 <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "gtrashportal.h"
#include "xdp-dbus.h"
#include "gstdio.h"
#ifdef G_OS_UNIX
#include "gunixfdlist.h"
#endif
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#else
#define HAVE_O_CLOEXEC 1
#endif
static GXdpTrash *
ensure_trash_portal (void)
{
static GXdpTrash *trash = NULL;
if (g_once_init_enter (&trash))
{
GDBusConnection *connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
GXdpTrash *proxy = NULL;
if (connection != NULL)
{
proxy = gxdp_trash_proxy_new_sync (connection, 0,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
NULL, NULL);
g_object_unref (connection);
}
g_once_init_leave (&trash, proxy);
}
return trash;
}
gboolean
g_trash_portal_trash_file (GFile *file,
GError **error)
{
char *path = NULL;
GUnixFDList *fd_list = NULL;
int fd, fd_in, errsv;
gboolean ret = FALSE;
GXdpTrash *proxy;
proxy = ensure_trash_portal ();
if (proxy == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED,
"Trash portal is not available");
goto out;
}
path = g_file_get_path (file);
fd = g_open (path, O_RDWR | O_CLOEXEC);
if (fd == -1 && (errno == EACCES || errno == EISDIR))
/* If we don't have write access, fall back to read-only */
fd = g_open (path, O_CLOEXEC | O_RDONLY);
errsv = errno;
if (fd == -1)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
"Failed to open %s", path);
goto out;
}
#ifndef HAVE_O_CLOEXEC
fcntl (fd, F_SETFD, FD_CLOEXEC);
#endif
fd_list = g_unix_fd_list_new ();
fd_in = g_unix_fd_list_append (fd_list, fd, error);
g_close (fd, NULL);
if (fd_in == -1)
goto out;
ret = gxdp_trash_call_trash_file_sync (proxy,
g_variant_new_handle (fd_in),
fd_list,
NULL,
NULL,
NULL,
error);
out:
g_clear_object (&fd_list);
g_free (path);
return ret;
}

31
gio/gtrashportal.h Normal file
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@ -0,0 +1,31 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2018 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/>.
*/
#ifndef __G_TRASH_PORTAL_H__
#include <glib.h>
#include <gio/gio.h>
G_BEGIN_DECLS
gboolean g_trash_portal_trash_file (GFile *file,
GError **error);
G_END_DECLS
#endif

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@ -238,7 +238,8 @@ subdir('gdbus-2.0/codegen')
xdp_dbus_generated = custom_target('xdp-dbus',
input : ['org.freedesktop.portal.Documents.xml',
'org.freedesktop.portal.OpenURI.xml',
'org.freedesktop.portal.ProxyResolver.xml'],
'org.freedesktop.portal.ProxyResolver.xml',
'org.freedesktop.portal.Trash.xml'],
output : ['xdp-dbus.h', 'xdp-dbus.c'],
depend_files : gdbus_codegen_built_files,
command : [python, gdbus_codegen,
@ -254,6 +255,8 @@ xdp_dbus_generated = custom_target('xdp-dbus',
'org.gtk.GDBus.C.UnixFD', 'true',
'--annotate', 'org.freedesktop.portal.OpenURI.OpenFile()',
'org.gtk.GDBus.C.UnixFD', 'true',
'--annotate', 'org.freedesktop.portal.Trash.TrashFile()',
'org.gtk.GDBus.C.UnixFD', 'true',
'@INPUT@'])
# Generate gdbus-generated.{c,h}
@ -392,6 +395,7 @@ if host_system != 'windows'
'gopenuriportal.c',
'gnetworkmonitorportal.c',
'gproxyresolverportal.c',
'gtrashportal.c',
'gportalsupport.c',
'gportalnotificationbackend.c'),
xdp_dbus_generated

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@ -0,0 +1,48 @@
<?xml version="1.0"?>
<!--
Copyright (C) 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 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/>.
Author: Matthias Clasen <mclasen@redhat.com>
-->
<node name="/" xmlns:doc="http://www.freedesktop.org/dbus/1.0/doc.dtd">
<!--
org.freedesktop.portal.Trash:
@short_description: Portal for trashing files
This simple interface lets sandboxed applications send files to
the trashcan.
This documentation describes version 1 of this interface.
-->
<interface name="org.freedesktop.portal.Trash">
<!--
TrashFile:
@fd: file descriptor for the file to trash
@result: the result. 0 if trashing failed, 1 if trashing succeeded, other values may be returned in the future
Sends a file to the trashcan. Applications are allowed to
trash a file if they can open it in r/w mode.
-->
<method name="TrashFile">
<annotation name="org.gtk.GDBus.C.UnixFD" value="true"/>
<arg type="h" name="fd" direction="in"/>
<arg type="u" name="result" direction="out"/>
</method>
<property name="version" type="u" access="read"/>
</interface>
</node>