779 lines
29 KiB
C
779 lines
29 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright © 2019 Endless Mobile, Inc.
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Authors:
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* - Philip Withnall <withnall@endlessm.com>
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*/
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#include "config.h"
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#include <glib.h>
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#include <glib-object.h>
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#include <glib/gi18n-lib.h>
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#include <gio/gio.h>
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#include <libmalcontent/app-filter.h>
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#include <libmalcontent/manager.h>
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#include "libmalcontent/app-filter-private.h"
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/**
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* MctManager:
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*
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* #MctManager is a top-level management object which is used to query and
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* monitor #MctAppFilters for different users.
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*
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* Since: 0.3.0
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*/
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struct _MctManager
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{
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GObject parent_instance;
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GDBusConnection *connection; /* (owned) */
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};
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G_DEFINE_TYPE (MctManager, mct_manager, G_TYPE_OBJECT)
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typedef enum
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{
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PROP_CONNECTION = 1,
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} MctManagerProperty;
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static GParamSpec *props[PROP_CONNECTION + 1] = { NULL, };
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static void
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mct_manager_init (MctManager *self)
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{
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/* Nothing to do here. */
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}
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static void
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mct_manager_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *spec)
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{
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MctManager *self = MCT_MANAGER (object);
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switch ((MctManagerProperty) property_id)
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{
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case PROP_CONNECTION:
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g_value_set_object (value, self->connection);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, spec);
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break;
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}
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}
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static void
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mct_manager_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *spec)
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{
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MctManager *self = MCT_MANAGER (object);
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switch ((MctManagerProperty) property_id)
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{
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case PROP_CONNECTION:
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/* Construct-only. May be %NULL. */
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g_assert (self->connection == NULL);
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self->connection = g_value_dup_object (value);
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g_assert (self->connection != NULL);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, spec);
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break;
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}
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}
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static void
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mct_manager_dispose (GObject *object)
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{
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MctManager *self = MCT_MANAGER (object);
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g_clear_object (&self->connection);
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G_OBJECT_CLASS (mct_manager_parent_class)->dispose (object);
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}
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static void
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mct_manager_class_init (MctManagerClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->dispose = mct_manager_dispose;
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object_class->get_property = mct_manager_get_property;
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object_class->set_property = mct_manager_set_property;
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/**
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* MctManager:connection:
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*
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* A connection to the system bus, where accounts-service runs. It’s provided
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* mostly for testing purposes, or to allow an existing connection to be
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* re-used.
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*
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* Since: 0.3.0
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*/
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props[PROP_CONNECTION] = g_param_spec_object ("connection",
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"D-Bus Connection",
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"A connection to the system bus.",
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G_TYPE_DBUS_CONNECTION,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class,
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G_N_ELEMENTS (props),
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props);
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}
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/**
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* mct_manager_new:
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* @connection: (transfer none): a #GDBusConnection to use
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*
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* Create a new #MctManager.
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*
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* Returns: (transfer full): a new #MctManager
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* Since: 0.3.0
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*/
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MctManager *
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mct_manager_new (GDBusConnection *connection)
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{
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g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
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return g_object_new (MCT_TYPE_MANAGER,
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"connection", connection,
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NULL);
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}
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/**
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* _mct_app_filter_build_app_filter_variant:
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* @filter: an #MctAppFilter
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*
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* Build a #GVariant which contains the app filter from @filter, in the format
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* used for storing it in AccountsService.
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*
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* Returns: (transfer floating): a new, floating #GVariant containing the app
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* filter
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* Since: 0.2.0
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*/
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static GVariant *
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_mct_app_filter_build_app_filter_variant (MctAppFilter *filter)
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{
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g_auto(GVariantBuilder) builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("(bas)"));
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g_return_val_if_fail (filter != NULL, NULL);
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g_return_val_if_fail (filter->ref_count >= 1, NULL);
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g_variant_builder_add (&builder, "b",
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(filter->app_list_type == MCT_APP_FILTER_LIST_WHITELIST));
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g_variant_builder_open (&builder, G_VARIANT_TYPE ("as"));
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for (gsize i = 0; filter->app_list[i] != NULL; i++)
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g_variant_builder_add (&builder, "s", filter->app_list[i]);
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g_variant_builder_close (&builder);
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return g_variant_builder_end (&builder);
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}
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/* Check if @error is a D-Bus remote error matching @expected_error_name. */
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static gboolean
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bus_remote_error_matches (const GError *error,
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const gchar *expected_error_name)
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{
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g_autofree gchar *error_name = NULL;
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if (!g_dbus_error_is_remote_error (error))
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return FALSE;
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error_name = g_dbus_error_get_remote_error (error);
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return g_str_equal (error_name, expected_error_name);
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}
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/* Convert a #GDBusError into a #MctAppFilter error. */
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static GError *
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bus_error_to_app_filter_error (const GError *bus_error,
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uid_t user_id)
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{
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if (g_error_matches (bus_error, G_DBUS_ERROR, G_DBUS_ERROR_ACCESS_DENIED) ||
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bus_remote_error_matches (bus_error, "org.freedesktop.Accounts.Error.PermissionDenied"))
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return g_error_new (MCT_APP_FILTER_ERROR, MCT_APP_FILTER_ERROR_PERMISSION_DENIED,
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_("Not allowed to query app filter data for user %u"),
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(guint) user_id);
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else if (g_error_matches (bus_error, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD) ||
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bus_remote_error_matches (bus_error, "org.freedesktop.Accounts.Error.Failed"))
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return g_error_new (MCT_APP_FILTER_ERROR, MCT_APP_FILTER_ERROR_INVALID_USER,
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_("User %u does not exist"), (guint) user_id);
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else
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return g_error_copy (bus_error);
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}
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/* Find the object path for the given @user_id on the accountsservice D-Bus
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* interface, by calling its FindUserById() method. This is a synchronous,
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* blocking function. */
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static gchar *
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accounts_find_user_by_id (GDBusConnection *connection,
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uid_t user_id,
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gboolean allow_interactive_authorization,
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GCancellable *cancellable,
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GError **error)
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{
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g_autofree gchar *object_path = NULL;
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g_autoptr(GVariant) result_variant = NULL;
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g_autoptr(GError) local_error = NULL;
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result_variant =
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g_dbus_connection_call_sync (connection,
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"org.freedesktop.Accounts",
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"/org/freedesktop/Accounts",
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"org.freedesktop.Accounts",
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"FindUserById",
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g_variant_new ("(x)", (gint64) user_id),
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G_VARIANT_TYPE ("(o)"),
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allow_interactive_authorization
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? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
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: G_DBUS_CALL_FLAGS_NONE,
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-1, /* timeout, ms */
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cancellable,
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&local_error);
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if (local_error != NULL)
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{
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g_autoptr(GError) app_filter_error = bus_error_to_app_filter_error (local_error,
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user_id);
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g_propagate_error (error, g_steal_pointer (&app_filter_error));
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return NULL;
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}
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g_variant_get (result_variant, "(o)", &object_path);
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return g_steal_pointer (&object_path);
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}
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/**
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* mct_manager_get_app_filter:
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* @self: a #MctManager
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* @user_id: ID of the user to query, typically coming from getuid()
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* @flags: flags to affect the behaviour of the call
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* @cancellable: (nullable): a #GCancellable, or %NULL
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* @error: return location for a #GError, or %NULL
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*
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* Synchronous version of mct_manager_get_app_filter_async().
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*
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* Returns: (transfer full): app filter for the queried user
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* Since: 0.3.0
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*/
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MctAppFilter *
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mct_manager_get_app_filter (MctManager *self,
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uid_t user_id,
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MctGetAppFilterFlags flags,
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GCancellable *cancellable,
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GError **error)
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{
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g_autofree gchar *object_path = NULL;
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g_autoptr(GVariant) result_variant = NULL;
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g_autoptr(GVariant) properties = NULL;
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g_autoptr(GError) local_error = NULL;
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g_autoptr(MctAppFilter) app_filter = NULL;
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gboolean is_whitelist;
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g_auto(GStrv) app_list = NULL;
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const gchar *content_rating_kind;
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g_autoptr(GVariant) oars_variant = NULL;
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gboolean allow_user_installation;
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gboolean allow_system_installation;
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g_return_val_if_fail (MCT_IS_MANAGER (self), NULL);
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g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), NULL);
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g_return_val_if_fail (error == NULL || *error == NULL, NULL);
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object_path = accounts_find_user_by_id (self->connection, user_id,
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(flags & MCT_GET_APP_FILTER_FLAGS_INTERACTIVE),
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cancellable, error);
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if (object_path == NULL)
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return NULL;
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result_variant =
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g_dbus_connection_call_sync (self->connection,
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"org.freedesktop.Accounts",
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object_path,
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"org.freedesktop.DBus.Properties",
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"GetAll",
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g_variant_new ("(s)", "com.endlessm.ParentalControls.AppFilter"),
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G_VARIANT_TYPE ("(a{sv})"),
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(flags & MCT_GET_APP_FILTER_FLAGS_INTERACTIVE)
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? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
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: G_DBUS_CALL_FLAGS_NONE,
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-1, /* timeout, ms */
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cancellable,
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&local_error);
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if (local_error != NULL)
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{
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g_autoptr(GError) app_filter_error = NULL;
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if (g_error_matches (local_error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS))
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{
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/* o.fd.D.GetAll() will return InvalidArgs errors if
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* accountsservice doesn’t have the com.endlessm.ParentalControls.AppFilter
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* extension interface installed. */
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app_filter_error = g_error_new_literal (MCT_APP_FILTER_ERROR,
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MCT_APP_FILTER_ERROR_DISABLED,
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_("App filtering is globally disabled"));
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}
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else
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{
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app_filter_error = bus_error_to_app_filter_error (local_error,
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user_id);
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}
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g_propagate_error (error, g_steal_pointer (&app_filter_error));
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return NULL;
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}
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/* Extract the properties we care about. They may be silently omitted from the
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* results if we don’t have permission to access them. */
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properties = g_variant_get_child_value (result_variant, 0);
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if (!g_variant_lookup (properties, "AppFilter", "(b^as)",
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&is_whitelist, &app_list))
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{
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g_set_error (error, MCT_APP_FILTER_ERROR,
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MCT_APP_FILTER_ERROR_PERMISSION_DENIED,
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_("Not allowed to query app filter data for user %u"),
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(guint) user_id);
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return NULL;
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}
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if (!g_variant_lookup (properties, "OarsFilter", "(&s@a{ss})",
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&content_rating_kind, &oars_variant))
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{
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/* Default value. */
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content_rating_kind = "oars-1.1";
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oars_variant = g_variant_new ("a{ss}", NULL);
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}
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/* Check that the OARS filter is in a format we support. Currently, that’s
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* only oars-1.0 and oars-1.1. */
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if (!g_str_equal (content_rating_kind, "oars-1.0") &&
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!g_str_equal (content_rating_kind, "oars-1.1"))
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{
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g_set_error (error, MCT_APP_FILTER_ERROR,
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MCT_APP_FILTER_ERROR_INVALID_DATA,
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_("OARS filter for user %u has an unrecognized kind ‘%s’"),
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(guint) user_id, content_rating_kind);
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return NULL;
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}
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if (!g_variant_lookup (properties, "AllowUserInstallation", "b",
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&allow_user_installation))
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{
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/* Default value. */
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allow_user_installation = TRUE;
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}
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if (!g_variant_lookup (properties, "AllowSystemInstallation", "b",
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&allow_system_installation))
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{
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/* Default value. */
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allow_system_installation = FALSE;
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}
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/* Success. Create an #MctAppFilter object to contain the results. */
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app_filter = g_new0 (MctAppFilter, 1);
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app_filter->ref_count = 1;
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app_filter->user_id = user_id;
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app_filter->app_list = g_steal_pointer (&app_list);
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app_filter->app_list_type =
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is_whitelist ? MCT_APP_FILTER_LIST_WHITELIST : MCT_APP_FILTER_LIST_BLACKLIST;
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app_filter->oars_ratings = g_steal_pointer (&oars_variant);
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app_filter->allow_user_installation = allow_user_installation;
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app_filter->allow_system_installation = allow_system_installation;
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return g_steal_pointer (&app_filter);
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}
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static void get_app_filter_thread_cb (GTask *task,
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gpointer source_object,
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gpointer task_data,
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GCancellable *cancellable);
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typedef struct
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{
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uid_t user_id;
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MctGetAppFilterFlags flags;
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} GetAppFilterData;
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static void
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get_app_filter_data_free (GetAppFilterData *data)
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{
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g_free (data);
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}
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (GetAppFilterData, get_app_filter_data_free)
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/**
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* mct_manager_get_app_filter_async:
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* @self: a #MctManager
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* @user_id: ID of the user to query, typically coming from getuid()
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* @flags: flags to affect the behaviour of the call
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* @cancellable: (nullable): a #GCancellable, or %NULL
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* @callback: a #GAsyncReadyCallback
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* @user_data: user data to pass to @callback
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*
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* Asynchronously get a snapshot of the app filter settings for the given
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* @user_id.
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*
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* On failure, an #MctAppFilterError, a #GDBusError or a #GIOError will be
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* returned.
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*
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* Since: 0.3.0
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*/
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void
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mct_manager_get_app_filter_async (MctManager *self,
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uid_t user_id,
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MctGetAppFilterFlags flags,
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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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g_autoptr(GTask) task = NULL;
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g_autoptr(GetAppFilterData) data = NULL;
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g_return_if_fail (MCT_IS_MANAGER (self));
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g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
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task = g_task_new (self, cancellable, callback, user_data);
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g_task_set_source_tag (task, mct_manager_get_app_filter_async);
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data = g_new0 (GetAppFilterData, 1);
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data->user_id = user_id;
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data->flags = flags;
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g_task_set_task_data (task, g_steal_pointer (&data),
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(GDestroyNotify) get_app_filter_data_free);
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g_task_run_in_thread (task, get_app_filter_thread_cb);
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}
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static void
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get_app_filter_thread_cb (GTask *task,
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gpointer source_object,
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gpointer task_data,
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GCancellable *cancellable)
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{
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g_autoptr(MctAppFilter) filter = NULL;
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MctManager *manager = MCT_MANAGER (source_object);
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GetAppFilterData *data = task_data;
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g_autoptr(GError) local_error = NULL;
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filter = mct_manager_get_app_filter (manager, data->user_id,
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data->flags,
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cancellable, &local_error);
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if (local_error != NULL)
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g_task_return_error (task, g_steal_pointer (&local_error));
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else
|
||
g_task_return_pointer (task, g_steal_pointer (&filter),
|
||
(GDestroyNotify) mct_app_filter_unref);
|
||
}
|
||
|
||
/**
|
||
* mct_manager_get_app_filter_finish:
|
||
* @self: a #MctManager
|
||
* @result: a #GAsyncResult
|
||
* @error: return location for a #GError, or %NULL
|
||
*
|
||
* Finish an asynchronous operation to get the app filter for a user, started
|
||
* with mct_manager_get_app_filter_async().
|
||
*
|
||
* Returns: (transfer full): app filter for the queried user
|
||
* Since: 0.3.0
|
||
*/
|
||
MctAppFilter *
|
||
mct_manager_get_app_filter_finish (MctManager *self,
|
||
GAsyncResult *result,
|
||
GError **error)
|
||
{
|
||
g_return_val_if_fail (MCT_IS_MANAGER (self), NULL);
|
||
g_return_val_if_fail (g_task_is_valid (result, self), NULL);
|
||
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
|
||
|
||
return g_task_propagate_pointer (G_TASK (result), error);
|
||
}
|
||
|
||
/**
|
||
* mct_manager_set_app_filter:
|
||
* @self: a #MctManager
|
||
* @user_id: ID of the user to set the filter for, typically coming from getuid()
|
||
* @app_filter: (transfer none): the app filter to set for the user
|
||
* @flags: flags to affect the behaviour of the call
|
||
* @cancellable: (nullable): a #GCancellable, or %NULL
|
||
* @error: return location for a #GError, or %NULL
|
||
*
|
||
* Synchronous version of mct_manager_set_app_filter_async().
|
||
*
|
||
* Returns: %TRUE on success, %FALSE otherwise
|
||
* Since: 0.3.0
|
||
*/
|
||
gboolean
|
||
mct_manager_set_app_filter (MctManager *self,
|
||
uid_t user_id,
|
||
MctAppFilter *app_filter,
|
||
MctSetAppFilterFlags flags,
|
||
GCancellable *cancellable,
|
||
GError **error)
|
||
{
|
||
g_autofree gchar *object_path = NULL;
|
||
g_autoptr(GVariant) app_filter_variant = NULL;
|
||
g_autoptr(GVariant) oars_filter_variant = NULL;
|
||
g_autoptr(GVariant) allow_user_installation_variant = NULL;
|
||
g_autoptr(GVariant) allow_system_installation_variant = NULL;
|
||
g_autoptr(GVariant) app_filter_result_variant = NULL;
|
||
g_autoptr(GVariant) oars_filter_result_variant = NULL;
|
||
g_autoptr(GVariant) allow_user_installation_result_variant = NULL;
|
||
g_autoptr(GVariant) allow_system_installation_result_variant = NULL;
|
||
g_autoptr(GError) local_error = NULL;
|
||
g_autoptr(GDBusConnection) connection = NULL;
|
||
|
||
g_return_val_if_fail (MCT_IS_MANAGER (self), FALSE);
|
||
g_return_val_if_fail (app_filter != NULL, FALSE);
|
||
g_return_val_if_fail (app_filter->ref_count >= 1, FALSE);
|
||
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable), FALSE);
|
||
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
||
|
||
object_path = accounts_find_user_by_id (self->connection, user_id,
|
||
(flags & MCT_SET_APP_FILTER_FLAGS_INTERACTIVE),
|
||
cancellable, error);
|
||
if (object_path == NULL)
|
||
return FALSE;
|
||
|
||
app_filter_variant = _mct_app_filter_build_app_filter_variant (app_filter);
|
||
oars_filter_variant = g_variant_new ("(s@a{ss})", "oars-1.1",
|
||
app_filter->oars_ratings);
|
||
allow_user_installation_variant = g_variant_new_boolean (app_filter->allow_user_installation);
|
||
allow_system_installation_variant = g_variant_new_boolean (app_filter->allow_system_installation);
|
||
|
||
app_filter_result_variant =
|
||
g_dbus_connection_call_sync (self->connection,
|
||
"org.freedesktop.Accounts",
|
||
object_path,
|
||
"org.freedesktop.DBus.Properties",
|
||
"Set",
|
||
g_variant_new ("(ssv)",
|
||
"com.endlessm.ParentalControls.AppFilter",
|
||
"AppFilter",
|
||
g_steal_pointer (&app_filter_variant)),
|
||
G_VARIANT_TYPE ("()"),
|
||
(flags & MCT_SET_APP_FILTER_FLAGS_INTERACTIVE)
|
||
? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
|
||
: G_DBUS_CALL_FLAGS_NONE,
|
||
-1, /* timeout, ms */
|
||
cancellable,
|
||
&local_error);
|
||
if (local_error != NULL)
|
||
{
|
||
g_propagate_error (error, bus_error_to_app_filter_error (local_error, user_id));
|
||
return FALSE;
|
||
}
|
||
|
||
oars_filter_result_variant =
|
||
g_dbus_connection_call_sync (self->connection,
|
||
"org.freedesktop.Accounts",
|
||
object_path,
|
||
"org.freedesktop.DBus.Properties",
|
||
"Set",
|
||
g_variant_new ("(ssv)",
|
||
"com.endlessm.ParentalControls.AppFilter",
|
||
"OarsFilter",
|
||
g_steal_pointer (&oars_filter_variant)),
|
||
G_VARIANT_TYPE ("()"),
|
||
(flags & MCT_SET_APP_FILTER_FLAGS_INTERACTIVE)
|
||
? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
|
||
: G_DBUS_CALL_FLAGS_NONE,
|
||
-1, /* timeout, ms */
|
||
cancellable,
|
||
&local_error);
|
||
if (local_error != NULL)
|
||
{
|
||
g_propagate_error (error, bus_error_to_app_filter_error (local_error, user_id));
|
||
return FALSE;
|
||
}
|
||
|
||
allow_user_installation_result_variant =
|
||
g_dbus_connection_call_sync (self->connection,
|
||
"org.freedesktop.Accounts",
|
||
object_path,
|
||
"org.freedesktop.DBus.Properties",
|
||
"Set",
|
||
g_variant_new ("(ssv)",
|
||
"com.endlessm.ParentalControls.AppFilter",
|
||
"AllowUserInstallation",
|
||
g_steal_pointer (&allow_user_installation_variant)),
|
||
G_VARIANT_TYPE ("()"),
|
||
(flags & MCT_SET_APP_FILTER_FLAGS_INTERACTIVE)
|
||
? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
|
||
: G_DBUS_CALL_FLAGS_NONE,
|
||
-1, /* timeout, ms */
|
||
cancellable,
|
||
&local_error);
|
||
if (local_error != NULL)
|
||
{
|
||
g_propagate_error (error, bus_error_to_app_filter_error (local_error, user_id));
|
||
return FALSE;
|
||
}
|
||
|
||
allow_system_installation_result_variant =
|
||
g_dbus_connection_call_sync (self->connection,
|
||
"org.freedesktop.Accounts",
|
||
object_path,
|
||
"org.freedesktop.DBus.Properties",
|
||
"Set",
|
||
g_variant_new ("(ssv)",
|
||
"com.endlessm.ParentalControls.AppFilter",
|
||
"AllowSystemInstallation",
|
||
g_steal_pointer (&allow_system_installation_variant)),
|
||
G_VARIANT_TYPE ("()"),
|
||
(flags & MCT_SET_APP_FILTER_FLAGS_INTERACTIVE)
|
||
? G_DBUS_CALL_FLAGS_ALLOW_INTERACTIVE_AUTHORIZATION
|
||
: G_DBUS_CALL_FLAGS_NONE,
|
||
-1, /* timeout, ms */
|
||
cancellable,
|
||
&local_error);
|
||
if (local_error != NULL)
|
||
{
|
||
g_propagate_error (error, bus_error_to_app_filter_error (local_error, user_id));
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void set_app_filter_thread_cb (GTask *task,
|
||
gpointer source_object,
|
||
gpointer task_data,
|
||
GCancellable *cancellable);
|
||
|
||
typedef struct
|
||
{
|
||
uid_t user_id;
|
||
MctAppFilter *app_filter; /* (owned) */
|
||
MctSetAppFilterFlags flags;
|
||
} SetAppFilterData;
|
||
|
||
static void
|
||
set_app_filter_data_free (SetAppFilterData *data)
|
||
{
|
||
mct_app_filter_unref (data->app_filter);
|
||
g_free (data);
|
||
}
|
||
|
||
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SetAppFilterData, set_app_filter_data_free)
|
||
|
||
/**
|
||
* mct_manager_set_app_filter_async:
|
||
* @self: a #MctManager
|
||
* @user_id: ID of the user to set the filter for, typically coming from getuid()
|
||
* @app_filter: (transfer none): the app filter to set for the user
|
||
* @flags: flags to affect the behaviour of the call
|
||
* @cancellable: (nullable): a #GCancellable, or %NULL
|
||
* @callback: a #GAsyncReadyCallback
|
||
* @user_data: user data to pass to @callback
|
||
*
|
||
* Asynchronously set the app filter settings for the given @user_id to the
|
||
* given @app_filter instance. This will set all fields of the app filter.
|
||
*
|
||
* On failure, an #MctAppFilterError, a #GDBusError or a #GIOError will be
|
||
* returned. The user’s app filter settings will be left in an undefined state.
|
||
*
|
||
* Since: 0.3.0
|
||
*/
|
||
void
|
||
mct_manager_set_app_filter_async (MctManager *self,
|
||
uid_t user_id,
|
||
MctAppFilter *app_filter,
|
||
MctSetAppFilterFlags flags,
|
||
GCancellable *cancellable,
|
||
GAsyncReadyCallback callback,
|
||
gpointer user_data)
|
||
{
|
||
g_autoptr(GTask) task = NULL;
|
||
g_autoptr(SetAppFilterData) data = NULL;
|
||
|
||
g_return_if_fail (MCT_IS_MANAGER (self));
|
||
g_return_if_fail (app_filter != NULL);
|
||
g_return_if_fail (app_filter->ref_count >= 1);
|
||
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
|
||
|
||
task = g_task_new (self, cancellable, callback, user_data);
|
||
g_task_set_source_tag (task, mct_manager_set_app_filter_async);
|
||
|
||
data = g_new0 (SetAppFilterData, 1);
|
||
data->user_id = user_id;
|
||
data->app_filter = mct_app_filter_ref (app_filter);
|
||
data->flags = flags;
|
||
g_task_set_task_data (task, g_steal_pointer (&data),
|
||
(GDestroyNotify) set_app_filter_data_free);
|
||
|
||
g_task_run_in_thread (task, set_app_filter_thread_cb);
|
||
}
|
||
|
||
static void
|
||
set_app_filter_thread_cb (GTask *task,
|
||
gpointer source_object,
|
||
gpointer task_data,
|
||
GCancellable *cancellable)
|
||
{
|
||
gboolean success;
|
||
MctManager *manager = MCT_MANAGER (source_object);
|
||
SetAppFilterData *data = task_data;
|
||
g_autoptr(GError) local_error = NULL;
|
||
|
||
success = mct_manager_set_app_filter (manager, data->user_id,
|
||
data->app_filter, data->flags,
|
||
cancellable, &local_error);
|
||
|
||
if (local_error != NULL)
|
||
g_task_return_error (task, g_steal_pointer (&local_error));
|
||
else
|
||
g_task_return_boolean (task, success);
|
||
}
|
||
|
||
/**
|
||
* mct_manager_set_app_filter_finish:
|
||
* @self: a #MctManager
|
||
* @result: a #GAsyncResult
|
||
* @error: return location for a #GError, or %NULL
|
||
*
|
||
* Finish an asynchronous operation to set the app filter for a user, started
|
||
* with mct_manager_set_app_filter_async().
|
||
*
|
||
* Returns: %TRUE on success, %FALSE otherwise
|
||
* Since: 0.3.0
|
||
*/
|
||
gboolean
|
||
mct_manager_set_app_filter_finish (MctManager *self,
|
||
GAsyncResult *result,
|
||
GError **error)
|
||
{
|
||
g_return_val_if_fail (MCT_IS_MANAGER (self), FALSE);
|
||
g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
|
||
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
||
|
||
return g_task_propagate_boolean (G_TASK (result), error);
|
||
} |