/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8; tab-width: 8 -*- */
/*
* libgfbgraph - GObject library for Facebook Graph API
* Copyright (C) 2013 Álvaro Peña <alvaropg@gmail.com>
*
* GFBGraph 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.
*
* GFBGraph 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 GFBGraph. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:gfbgraph-goa-authorizer
* @short_description: GFBGraph GOA authorization interface
* @stability: Unstable
* @include: gfbgraph/gfbgraph.h
*
* #GFBGraphGoaAuthorizer provides an implementation of the #GFBGraphAuthorizer interface
* for authorization using GNOME Online Accounts (GOA).
**/
#include "gfbgraph-authorizer.h"
#include "gfbgraph-goa-authorizer.h"
enum {
PROP_O,
PROP_GOA_OBJECT
};
struct _GFBGraphGoaAuthorizerPrivate {
GMutex mutex;
GoaObject *goa_object;
gchar *access_token;
};
static void gfbgraph_goa_authorizer_class_init (GFBGraphGoaAuthorizerClass *klass);
static void gfbgraph_goa_authorizer_init (GFBGraphGoaAuthorizer *object);
static void gfbgraph_goa_authorizer_finalize (GObject *object);
static void gfbgraph_goa_authorizer_dispose (GObject *object);
static void gfbgraph_goa_authorizer_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gfbgraph_goa_authorizer_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gfbgraph_goa_authorizer_iface_init (GFBGraphAuthorizerInterface *iface);
void gfbgraph_goa_authorizer_process_call (GFBGraphAuthorizer *iface, RestProxyCall *call);
void gfbgraph_goa_authorizer_process_message (GFBGraphAuthorizer *iface, SoupMessage *message);
gboolean gfbgraph_goa_authorizer_refresh_authorization (GFBGraphAuthorizer *iface, GCancellable *cancellable, GError **error);
static void gfbgraph_goa_authorizer_set_goa_object (GFBGraphGoaAuthorizer *self, GoaObject *goa_object);
#define GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), GFBGRAPH_TYPE_GOA_AUTHORIZER, GFBGraphGoaAuthorizerPrivate))
static GObjectClass *parent_class = NULL;
G_DEFINE_TYPE_WITH_CODE (GFBGraphGoaAuthorizer, gfbgraph_goa_authorizer, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GFBGRAPH_TYPE_AUTHORIZER, gfbgraph_goa_authorizer_iface_init));
static void
gfbgraph_goa_authorizer_class_init (GFBGraphGoaAuthorizerClass *klass)
{
GObjectClass *gobject_class;
gobject_class = (GObjectClass*) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->finalize = gfbgraph_goa_authorizer_finalize;
gobject_class->get_property = gfbgraph_goa_authorizer_get_property;
gobject_class->set_property = gfbgraph_goa_authorizer_set_property;
gobject_class->dispose = gfbgraph_goa_authorizer_dispose;
/**
* GFBGraphGoaAuthorizer:goa-object:
*
* The GOA account providing authentication.
*
**/
g_object_class_install_property (gobject_class,
PROP_GOA_OBJECT,
g_param_spec_object ("goa-object",
"GoaObject",
"The GOA account to authenticate.",
GOA_TYPE_OBJECT,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
g_type_class_add_private (gobject_class, sizeof(GFBGraphGoaAuthorizerPrivate));
}
static void
gfbgraph_goa_authorizer_init (GFBGraphGoaAuthorizer *object)
{
object->priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE(object);
g_mutex_init (&object->priv->mutex);
}
static void
gfbgraph_goa_authorizer_finalize (GObject *object)
{
G_OBJECT_CLASS(parent_class)->finalize (object);
}
static void
gfbgraph_goa_authorizer_dispose (GObject *object)
{
GFBGraphGoaAuthorizerPrivate *priv;
priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (object);
g_clear_object (&priv->goa_object);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gfbgraph_goa_authorizer_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
case PROP_GOA_OBJECT:
gfbgraph_goa_authorizer_set_goa_object (GFBGRAPH_GOA_AUTHORIZER (object), GOA_OBJECT (g_value_get_object (value)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gfbgraph_goa_authorizer_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GFBGraphGoaAuthorizerPrivate *priv;
priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (object);
switch (prop_id) {
case PROP_GOA_OBJECT:
g_value_set_object (value, priv->goa_object);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gfbgraph_goa_authorizer_iface_init (GFBGraphAuthorizerInterface *iface)
{
iface->process_call = gfbgraph_goa_authorizer_process_call;
iface->process_message = gfbgraph_goa_authorizer_process_message;
iface->refresh_authorization = gfbgraph_goa_authorizer_refresh_authorization;
}
void
gfbgraph_goa_authorizer_process_call (GFBGraphAuthorizer *iface, RestProxyCall *call)
{
GFBGraphGoaAuthorizerPrivate *priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (GFBGRAPH_GOA_AUTHORIZER (iface));
g_mutex_lock (&priv->mutex);
if (priv->access_token != NULL)
rest_proxy_call_add_param (call, "access_token", priv->access_token);
g_mutex_unlock (&priv->mutex);
}
void
gfbgraph_goa_authorizer_process_message (GFBGraphAuthorizer *iface, SoupMessage *message)
{
gchar *auth_value;
SoupURI *uri;
GFBGraphGoaAuthorizerPrivate *priv;
priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (GFBGRAPH_GOA_AUTHORIZER (iface));
g_mutex_lock (&priv->mutex);
uri = soup_message_get_uri (message);
auth_value = g_strconcat ("access_token=", priv->access_token, NULL);
soup_uri_set_query (uri, auth_value);
g_free (auth_value);
g_mutex_unlock (&priv->mutex);
}
gboolean
gfbgraph_goa_authorizer_refresh_authorization (GFBGraphAuthorizer *iface, GCancellable *cancellable, GError **error)
{
GFBGraphGoaAuthorizerPrivate *priv;
GoaAccount *account;
GoaOAuth2Based *oauth2_based;
gboolean ret_val;
priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (GFBGRAPH_GOA_AUTHORIZER (iface));
ret_val = FALSE;
g_mutex_lock (&priv->mutex);
g_free (priv->access_token);
priv->access_token = NULL;
account = goa_object_peek_account (priv->goa_object);
oauth2_based = goa_object_peek_oauth2_based (priv->goa_object);
if (goa_account_call_ensure_credentials_sync (account, NULL, cancellable, error))
if (goa_oauth2_based_call_get_access_token_sync (oauth2_based, &priv->access_token, NULL, cancellable, error))
ret_val = TRUE;
g_mutex_unlock (&priv->mutex);
return ret_val;
}
static void
gfbgraph_goa_authorizer_set_goa_object (GFBGraphGoaAuthorizer *self, GoaObject *goa_object)
{
GoaAccount *account;
GoaOAuth2Based *oauth2_based;
GFBGraphGoaAuthorizerPrivate *priv;
g_return_if_fail (GOA_IS_OBJECT (goa_object));
priv = GFBGRAPH_GOA_AUTHORIZER_GET_PRIVATE (self);
oauth2_based = goa_object_peek_oauth2_based (goa_object);
g_return_if_fail (oauth2_based != NULL && GOA_IS_OAUTH2_BASED (oauth2_based));
account = goa_object_peek_account (goa_object);
g_return_if_fail (account != NULL && GOA_IS_ACCOUNT (account));
g_object_ref (goa_object);
priv->goa_object = goa_object;
}
/**
* gfbgraph_goa_authorizer_new:
* @goa_object: A #GoaObject representing a Facebook account.
*
* Creates a new #GFBGraphGoaAuthorizer using @goa_object as account.
*
* Returns: (transfer full): A new #GFBGraphGoaAuthorizer. Use g_object_unref() to free it.
*/
GFBGraphGoaAuthorizer*
gfbgraph_goa_authorizer_new (GoaObject *goa_object)
{
return GFBGRAPH_GOA_AUTHORIZER (g_object_new (GFBGRAPH_TYPE_GOA_AUTHORIZER, "goa-object", goa_object, NULL));
}