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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2016 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 "xdp-dbus.h"
#include "giomodule-priv.h"
#include "gportalsupport.h"
#include "gproxyresolverportal.h"
struct _GProxyResolverPortal {
GObject parent_instance;
GXdpProxyResolver *resolver;
gboolean network_available;
};
static void g_proxy_resolver_portal_iface_init (GProxyResolverInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GProxyResolverPortal, g_proxy_resolver_portal, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_PROXY_RESOLVER,
g_proxy_resolver_portal_iface_init)
_g_io_modules_ensure_extension_points_registered ();
g_io_extension_point_implement (G_PROXY_RESOLVER_EXTENSION_POINT_NAME,
g_define_type_id,
"portal",
90))
static gboolean
ensure_resolver_proxy (GProxyResolverPortal *resolver)
{
if (resolver->resolver)
return TRUE;
if (!glib_should_use_portal ())
return FALSE;
resolver->resolver = gxdp_proxy_resolver_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
NULL,
NULL);
resolver->network_available = glib_network_available_in_sandbox ();
return resolver->resolver != NULL;
}
static void
g_proxy_resolver_portal_init (GProxyResolverPortal *resolver)
{
}
static gboolean
g_proxy_resolver_portal_is_supported (GProxyResolver *object)
{
GProxyResolverPortal *resolver = G_PROXY_RESOLVER_PORTAL (object);
char *name_owner;
gboolean has_portal;
if (!ensure_resolver_proxy (resolver))
return FALSE;
name_owner = g_dbus_proxy_get_name_owner (G_DBUS_PROXY (resolver->resolver));
has_portal = name_owner != NULL;
g_free (name_owner);
return has_portal;
}
static const char *no_proxy[2] = { "direct://", NULL };
static gchar **
g_proxy_resolver_portal_lookup (GProxyResolver *proxy_resolver,
const gchar *uri,
GCancellable *cancellable,
GError **error)
{
GProxyResolverPortal *resolver = G_PROXY_RESOLVER_PORTAL (proxy_resolver);
char **proxy = NULL;
ensure_resolver_proxy (resolver);
g_assert (resolver->resolver);
if (!gxdp_proxy_resolver_call_lookup_sync (resolver->resolver,
uri,
&proxy,
cancellable,
error))
return NULL;
if (!resolver->network_available)
{
g_strfreev (proxy);
proxy = g_strdupv ((gchar **)no_proxy);
}
return proxy;
}
static void
lookup_done (GObject *source,
GAsyncResult *result,
gpointer data)
{
GTask *task = data;
GError *error = NULL;
gchar **proxies = NULL;
if (!gxdp_proxy_resolver_call_lookup_finish (GXDP_PROXY_RESOLVER (source),
&proxies,
result,
&error))
g_task_return_error (task, error);
else
g_task_return_pointer (task, proxies, NULL);
g_object_unref (task);
}
static void
g_proxy_resolver_portal_lookup_async (GProxyResolver *proxy_resolver,
const gchar *uri,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GProxyResolverPortal *resolver = G_PROXY_RESOLVER_PORTAL (proxy_resolver);
GTask *task;
ensure_resolver_proxy (resolver);
g_assert (resolver->resolver);
task = g_task_new (proxy_resolver, cancellable, callback, user_data);
gxdp_proxy_resolver_call_lookup (resolver->resolver,
uri,
cancellable,
lookup_done,
g_object_ref (task));
g_object_unref (task);
}
static gchar **
g_proxy_resolver_portal_lookup_finish (GProxyResolver *proxy_resolver,
GAsyncResult *result,
GError **error)
{
GProxyResolverPortal *resolver = G_PROXY_RESOLVER_PORTAL (proxy_resolver);
GTask *task = G_TASK (result);
char **proxies;
proxies = g_task_propagate_pointer (task, error);
if (proxies == NULL)
return NULL;
if (!resolver->network_available)
{
g_strfreev (proxies);
proxies = g_strdupv ((gchar **)no_proxy);
}
return proxies;
}
static void
g_proxy_resolver_portal_finalize (GObject *object)
{
GProxyResolverPortal *resolver = G_PROXY_RESOLVER_PORTAL (object);
g_clear_object (&resolver->resolver);
G_OBJECT_CLASS (g_proxy_resolver_portal_parent_class)->finalize (object);
}
static void
g_proxy_resolver_portal_class_init (GProxyResolverPortalClass *resolver_class)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (resolver_class);
object_class->finalize = g_proxy_resolver_portal_finalize;
}
static void
g_proxy_resolver_portal_iface_init (GProxyResolverInterface *iface)
{
iface->is_supported = g_proxy_resolver_portal_is_supported;
iface->lookup = g_proxy_resolver_portal_lookup;
iface->lookup_async = g_proxy_resolver_portal_lookup_async;
iface->lookup_finish = g_proxy_resolver_portal_lookup_finish;
}
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