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/*
Copyright 2012 Alexandre Rostovtsev
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#include <gio/gio.h>
#include <polkit/polkit.h>
#include "bus-utils.h"
struct check_polkit_data {
const gchar *unique_name;
const gchar *action_id;
gboolean user_interaction;
GAsyncReadyCallback callback;
gpointer user_data;
PolkitAuthority *authority;
PolkitSubject *subject;
};
void
check_polkit_data_free (struct check_polkit_data *data)
{
if (data == NULL)
return;
if (data->subject != NULL)
g_object_unref (data->subject);
if (data->authority != NULL)
g_object_unref (data->authority);
g_free (data);
}
gboolean
check_polkit_finish (GAsyncResult *res,
GError **error)
{
GSimpleAsyncResult *simple;
simple = G_SIMPLE_ASYNC_RESULT (res);
if (g_simple_async_result_propagate_error (simple, error))
return FALSE;
return g_simple_async_result_get_op_res_gboolean (simple);
}
static void
check_polkit_authorization_cb (GObject *source_object,
GAsyncResult *res,
gpointer _data)
{
struct check_polkit_data *data;
PolkitAuthorizationResult *result;
GSimpleAsyncResult *simple;
GError *err = NULL;
data = (struct check_polkit_data *) _data;
if ((result = polkit_authority_check_authorization_finish (data->authority, res, &err)) == NULL) {
g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
goto out;
}
if (!polkit_authorization_result_get_is_authorized (result)) {
g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_NOT_AUTHORIZED, "Authorizing for '%s': not authorized", data->action_id);
goto out;
}
simple = g_simple_async_result_new (NULL, data->callback, data->user_data, check_polkit_async);
g_simple_async_result_set_op_res_gboolean (simple, TRUE);
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
out:
check_polkit_data_free (data);
if (result != NULL)
g_object_unref (result);
}
static void
check_polkit_authority_cb (GObject *source_object,
GAsyncResult *res,
gpointer _data)
{
struct check_polkit_data *data;
GError *err = NULL;
data = (struct check_polkit_data *) _data;
if ((data->authority = polkit_authority_get_finish (res, &err)) == NULL) {
g_simple_async_report_take_gerror_in_idle (NULL, data->callback, data->user_data, err);
check_polkit_data_free (data);
return;
}
if (data->unique_name == NULL || data->action_id == NULL ||
(data->subject = polkit_system_bus_name_new (data->unique_name)) == NULL) {
g_simple_async_report_error_in_idle (NULL, data->callback, data->user_data, POLKIT_ERROR, POLKIT_ERROR_FAILED, "Authorizing for '%s': failed sanity check", data->action_id);
check_polkit_data_free (data);
return;
}
polkit_authority_check_authorization (data->authority, data->subject, data->action_id, NULL, (PolkitCheckAuthorizationFlags) data->user_interaction, NULL, check_polkit_authorization_cb, data);
}
void
check_polkit_async (const gchar *unique_name,
const gchar *action_id,
const gboolean user_interaction,
GAsyncReadyCallback callback,
gpointer user_data)
{
struct check_polkit_data *data;
data = g_new0 (struct check_polkit_data, 1);
data->unique_name = unique_name;
data->action_id = action_id;
data->user_interaction = user_interaction;
data->callback = callback;
data->user_data = user_data;
polkit_authority_get_async (NULL, check_polkit_authority_cb, data);
}
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