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https://gitlab.gnome.org/GNOME/glib.git
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0f95b18a7b
All uses of g_variant_builder_init() in gio are safe to translate to the new g_variant_builder_init_static() alternative as the type will outlive the call to g_variant_builder_end() (or is already static in nature).
384 lines
12 KiB
C
384 lines
12 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright 2017 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include "gopenuriportal.h"
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#include "xdp-dbus.h"
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#include "gstdio.h"
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#ifdef G_OS_UNIX
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#include "gunixfdlist.h"
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#endif
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#ifndef O_CLOEXEC
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#define O_CLOEXEC 0
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#else
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#define HAVE_O_CLOEXEC 1
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#endif
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static GXdpOpenURI *openuri;
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static gboolean
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init_openuri_portal (void)
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{
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static gsize openuri_inited = 0;
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if (g_once_init_enter (&openuri_inited))
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{
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GError *error = NULL;
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GDBusConnection *connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
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if (connection != NULL)
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{
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openuri = gxdp_open_uri_proxy_new_sync (connection, 0,
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"org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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NULL, &error);
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if (openuri == NULL)
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{
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g_warning ("Cannot create document portal proxy: %s", error->message);
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g_error_free (error);
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}
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g_object_unref (connection);
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}
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else
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{
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g_warning ("Cannot connect to session bus when initializing document portal: %s",
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error->message);
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g_error_free (error);
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}
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g_once_init_leave (&openuri_inited, 1);
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}
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return openuri != NULL;
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}
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gboolean
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g_openuri_portal_open_file (GFile *file,
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const char *parent_window,
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const char *startup_id,
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GError **error)
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{
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GVariantBuilder opt_builder;
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gboolean res;
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if (!init_openuri_portal ())
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED,
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"OpenURI portal is not available");
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return FALSE;
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}
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g_variant_builder_init_static (&opt_builder, G_VARIANT_TYPE_VARDICT);
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if (startup_id)
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g_variant_builder_add (&opt_builder, "{sv}",
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"activation_token",
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g_variant_new_string (startup_id));
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if (g_file_is_native (file))
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{
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char *path = NULL;
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GUnixFDList *fd_list = NULL;
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int fd, fd_id, errsv;
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path = g_file_get_path (file);
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fd = g_open (path, O_RDONLY | O_CLOEXEC);
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errsv = errno;
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if (fd == -1)
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{
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g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
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"Failed to open '%s'", path);
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g_free (path);
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g_variant_builder_clear (&opt_builder);
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return FALSE;
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}
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#ifndef HAVE_O_CLOEXEC
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fcntl (fd, F_SETFD, FD_CLOEXEC);
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#endif
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fd_list = g_unix_fd_list_new_from_array (&fd, 1);
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fd = -1;
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fd_id = 0;
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res = gxdp_open_uri_call_open_file_sync (openuri,
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parent_window ? parent_window : "",
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g_variant_new ("h", fd_id),
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g_variant_builder_end (&opt_builder),
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fd_list,
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NULL,
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NULL,
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NULL,
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error);
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g_free (path);
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g_object_unref (fd_list);
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}
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else
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{
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char *uri = NULL;
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uri = g_file_get_uri (file);
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res = gxdp_open_uri_call_open_uri_sync (openuri,
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parent_window ? parent_window : "",
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uri,
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g_variant_builder_end (&opt_builder),
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NULL,
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NULL,
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error);
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g_free (uri);
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}
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return res;
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}
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enum {
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XDG_DESKTOP_PORTAL_SUCCESS = 0,
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XDG_DESKTOP_PORTAL_CANCELLED = 1,
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XDG_DESKTOP_PORTAL_FAILED = 2
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};
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static void
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response_received (GDBusConnection *connection,
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const char *sender_name,
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const char *object_path,
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const char *interface_name,
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const char *signal_name,
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GVariant *parameters,
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gpointer user_data)
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{
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GTask *task = user_data;
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guint32 response;
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guint signal_id;
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signal_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (task), "signal-id"));
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g_dbus_connection_signal_unsubscribe (connection, signal_id);
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g_variant_get (parameters, "(u@a{sv})", &response, NULL);
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switch (response)
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{
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case XDG_DESKTOP_PORTAL_SUCCESS:
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g_task_return_boolean (task, TRUE);
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break;
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case XDG_DESKTOP_PORTAL_CANCELLED:
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g_task_return_new_error_literal (task, G_IO_ERROR, G_IO_ERROR_CANCELLED, "Launch cancelled");
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break;
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case XDG_DESKTOP_PORTAL_FAILED:
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default:
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g_task_return_new_error_literal (task, G_IO_ERROR, G_IO_ERROR_FAILED, "Launch failed");
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break;
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}
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g_object_unref (task);
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}
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static void
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open_call_done (GObject *source,
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GAsyncResult *result,
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gpointer user_data)
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{
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GXdpOpenURI *openuri = GXDP_OPEN_URI (source);
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GDBusConnection *connection;
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GTask *task = user_data;
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GError *error = NULL;
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gboolean open_file;
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gboolean res;
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char *path = NULL;
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const char *handle;
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guint signal_id;
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connection = g_dbus_proxy_get_connection (G_DBUS_PROXY (openuri));
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open_file = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (task), "open-file"));
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if (open_file)
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res = gxdp_open_uri_call_open_file_finish (openuri, &path, NULL, result, &error);
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else
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res = gxdp_open_uri_call_open_uri_finish (openuri, &path, result, &error);
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if (!res)
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{
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g_task_return_error (task, error);
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g_object_unref (task);
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g_free (path);
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return;
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}
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handle = (const char *)g_object_get_data (G_OBJECT (task), "handle");
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if (g_strcmp0 (handle, path) != 0)
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{
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signal_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (task), "signal-id"));
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g_dbus_connection_signal_unsubscribe (connection, signal_id);
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signal_id = g_dbus_connection_signal_subscribe (connection,
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"org.freedesktop.portal.Desktop",
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"org.freedesktop.portal.Request",
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"Response",
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path,
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NULL,
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G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE,
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response_received,
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task,
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NULL);
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g_object_set_data (G_OBJECT (task), "signal-id", GINT_TO_POINTER (signal_id));
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}
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}
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void
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g_openuri_portal_open_file_async (GFile *file,
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const char *parent_window,
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const char *startup_id,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data)
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{
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GDBusConnection *connection;
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GTask *task;
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GVariant *opts = NULL;
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int i;
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guint signal_id;
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if (!init_openuri_portal ())
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{
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g_task_report_new_error (NULL, callback, user_data, NULL,
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G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED,
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"OpenURI portal is not available");
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return;
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}
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connection = g_dbus_proxy_get_connection (G_DBUS_PROXY (openuri));
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if (callback)
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{
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GVariantBuilder opt_builder;
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char *token;
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char *sender;
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char *handle;
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task = g_task_new (NULL, cancellable, callback, user_data);
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token = g_strdup_printf ("gio%d", g_random_int_range (0, G_MAXINT));
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sender = g_strdup (g_dbus_connection_get_unique_name (connection) + 1);
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for (i = 0; sender[i]; i++)
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if (sender[i] == '.')
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sender[i] = '_';
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handle = g_strdup_printf ("/org/freedesktop/portal/desktop/request/%s/%s", sender, token);
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g_object_set_data_full (G_OBJECT (task), "handle", handle, g_free);
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g_free (sender);
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signal_id = g_dbus_connection_signal_subscribe (connection,
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"org.freedesktop.portal.Desktop",
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"org.freedesktop.portal.Request",
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"Response",
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handle,
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NULL,
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G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE,
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response_received,
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task,
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NULL);
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g_object_set_data (G_OBJECT (task), "signal-id", GINT_TO_POINTER (signal_id));
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g_variant_builder_init_static (&opt_builder, G_VARIANT_TYPE_VARDICT);
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g_variant_builder_add (&opt_builder, "{sv}", "handle_token", g_variant_new_string (token));
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g_free (token);
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if (startup_id)
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g_variant_builder_add (&opt_builder, "{sv}",
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"activation_token",
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g_variant_new_string (startup_id));
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opts = g_variant_builder_end (&opt_builder);
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}
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else
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task = NULL;
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if (g_file_is_native (file))
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{
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char *path = NULL;
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GUnixFDList *fd_list = NULL;
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int fd, fd_id, errsv;
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if (task)
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g_object_set_data (G_OBJECT (task), "open-file", GINT_TO_POINTER (TRUE));
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path = g_file_get_path (file);
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fd = g_open (path, O_RDONLY | O_CLOEXEC);
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errsv = errno;
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if (fd == -1)
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{
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g_task_report_new_error (NULL, callback, user_data, NULL,
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G_IO_ERROR, g_io_error_from_errno (errsv),
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"OpenURI portal is not available");
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return;
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}
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#ifndef HAVE_O_CLOEXEC
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fcntl (fd, F_SETFD, FD_CLOEXEC);
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#endif
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fd_list = g_unix_fd_list_new_from_array (&fd, 1);
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fd = -1;
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fd_id = 0;
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gxdp_open_uri_call_open_file (openuri,
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parent_window ? parent_window : "",
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g_variant_new ("h", fd_id),
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opts,
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fd_list,
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cancellable,
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task ? open_call_done : NULL,
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task);
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g_object_unref (fd_list);
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g_free (path);
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}
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else
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{
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char *uri = NULL;
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uri = g_file_get_uri (file);
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gxdp_open_uri_call_open_uri (openuri,
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parent_window ? parent_window : "",
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uri,
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opts,
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cancellable,
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task ? open_call_done : NULL,
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task);
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g_free (uri);
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}
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}
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gboolean
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g_openuri_portal_open_file_finish (GAsyncResult *result,
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GError **error)
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{
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return g_task_propagate_boolean (G_TASK (result), error);
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}
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