/* GDBus - GLib D-Bus Library

 *

 * Copyright (C) 2008-2010 Red Hat, Inc.

 *

 * 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/>.

 *

 * Author: David Zeuthen <davidz@redhat.com>

 */

#include "config.h"

#include "gdbusauthmechanism.h"

#include "gcredentials.h"

#include "gdbuserror.h"

#include "gioenumtypes.h"

#include "giostream.h"

#include "glibintl.h"

/* ---------------------------------------------------------------------------------------------------- */

struct _GDBusAuthMechanismPrivate

{

  GIOStream *stream;

  GCredentials *credentials;

};

enum

{

  PROP_0,

  PROP_STREAM,

  PROP_CREDENTIALS

};

G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GDBusAuthMechanism, _g_dbus_auth_mechanism, G_TYPE_OBJECT)

/* ---------------------------------------------------------------------------------------------------- */

static void

_g_dbus_auth_mechanism_finalize (GObject *object)

{

  GDBusAuthMechanism *mechanism = G_DBUS_AUTH_MECHANISM (object);

  if (mechanism->priv->stream != NULL)

    g_object_unref (mechanism->priv->stream);

  if (mechanism->priv->credentials != NULL)

    g_object_unref (mechanism->priv->credentials);

  G_OBJECT_CLASS (_g_dbus_auth_mechanism_parent_class)->finalize (object);

}

static void

_g_dbus_auth_mechanism_get_property (GObject    *object,

                                     guint       prop_id,

                                     GValue     *value,

                                     GParamSpec *pspec)

{

  GDBusAuthMechanism *mechanism = G_DBUS_AUTH_MECHANISM (object);

  switch (prop_id)

    {

    case PROP_STREAM:

      g_value_set_object (value, mechanism->priv->stream);

      break;

    case PROP_CREDENTIALS:

      g_value_set_object (value, mechanism->priv->credentials);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

_g_dbus_auth_mechanism_set_property (GObject      *object,

                                     guint         prop_id,

                                     const GValue *value,

                                     GParamSpec   *pspec)

{

  GDBusAuthMechanism *mechanism = G_DBUS_AUTH_MECHANISM (object);

  switch (prop_id)

    {

    case PROP_STREAM:

      mechanism->priv->stream = g_value_dup_object (value);

      break;

    case PROP_CREDENTIALS:

      mechanism->priv->credentials = g_value_dup_object (value);

      break;

    default:

      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

      break;

    }

}

static void

_g_dbus_auth_mechanism_class_init (GDBusAuthMechanismClass *klass)

{

  GObjectClass *gobject_class;

  gobject_class = G_OBJECT_CLASS (klass);

  gobject_class->get_property = _g_dbus_auth_mechanism_get_property;

  gobject_class->set_property = _g_dbus_auth_mechanism_set_property;

  gobject_class->finalize     = _g_dbus_auth_mechanism_finalize;

  g_object_class_install_property (gobject_class,

                                   PROP_STREAM,

                                   g_param_spec_object ("stream",

                                                        P_("IO Stream"),

                                                        P_("The underlying GIOStream used for I/O"),

                                                        G_TYPE_IO_STREAM,

                                                        G_PARAM_READABLE |

                                                        G_PARAM_WRITABLE |

                                                        G_PARAM_CONSTRUCT_ONLY |

                                                        G_PARAM_STATIC_NAME |

                                                        G_PARAM_STATIC_BLURB |

                                                        G_PARAM_STATIC_NICK));

  /**

   * GDBusAuthMechanism:credentials:

   *

   * If authenticating as a server, this property contains the

   * received credentials, if any.

   *

   * If authenticating as a client, the property contains the

   * credentials that were sent, if any.

   */

  g_object_class_install_property (gobject_class,

                                   PROP_CREDENTIALS,

                                   g_param_spec_object ("credentials",

                                                        P_("Credentials"),

                                                        P_("The credentials of the remote peer"),

                                                        G_TYPE_CREDENTIALS,

                                                        G_PARAM_READABLE |

                                                        G_PARAM_WRITABLE |

                                                        G_PARAM_CONSTRUCT_ONLY |

                                                        G_PARAM_STATIC_NAME |

                                                        G_PARAM_STATIC_BLURB |

                                                        G_PARAM_STATIC_NICK));

}

static void

_g_dbus_auth_mechanism_init (GDBusAuthMechanism *mechanism)

{

  mechanism->priv = _g_dbus_auth_mechanism_get_instance_private (mechanism);

}

/* ---------------------------------------------------------------------------------------------------- */

GIOStream *

_g_dbus_auth_mechanism_get_stream (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return mechanism->priv->stream;

}

GCredentials *

_g_dbus_auth_mechanism_get_credentials (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return mechanism->priv->credentials;

}

/* ---------------------------------------------------------------------------------------------------- */

const gchar *

_g_dbus_auth_mechanism_get_name (GType mechanism_type)

{

  const gchar *name;

  GDBusAuthMechanismClass *klass;

  g_return_val_if_fail (g_type_is_a (mechanism_type, G_TYPE_DBUS_AUTH_MECHANISM), NULL);

  klass = g_type_class_ref (mechanism_type);

  g_assert (klass != NULL);

  name = klass->get_name ();

  //g_type_class_unref (klass);

  return name;

}

gint

_g_dbus_auth_mechanism_get_priority (GType mechanism_type)

{

  gint priority;

  GDBusAuthMechanismClass *klass;

  g_return_val_if_fail (g_type_is_a (mechanism_type, G_TYPE_DBUS_AUTH_MECHANISM), 0);

  klass = g_type_class_ref (mechanism_type);

  g_assert (klass != NULL);

  priority = klass->get_priority ();

  //g_type_class_unref (klass);

  return priority;

}

/* ---------------------------------------------------------------------------------------------------- */

gboolean

_g_dbus_auth_mechanism_is_supported (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), FALSE);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->is_supported (mechanism);

}

gchar *

_g_dbus_auth_mechanism_encode_data (GDBusAuthMechanism *mechanism,

                                    const gchar        *data,

                                    gsize               data_len,

                                    gsize              *out_data_len)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->encode_data (mechanism, data, data_len, out_data_len);

}

gchar *

_g_dbus_auth_mechanism_decode_data (GDBusAuthMechanism *mechanism,

                                    const gchar        *data,

                                    gsize               data_len,

                                    gsize              *out_data_len)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->decode_data (mechanism, data, data_len, out_data_len);

}

/* ---------------------------------------------------------------------------------------------------- */

GDBusAuthMechanismState

_g_dbus_auth_mechanism_server_get_state (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), G_DBUS_AUTH_MECHANISM_STATE_INVALID);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_get_state (mechanism);

}

void

_g_dbus_auth_mechanism_server_initiate (GDBusAuthMechanism *mechanism,

                                        const gchar        *initial_response,

                                        gsize               initial_response_len)

{

  g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism));

  G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_initiate (mechanism, initial_response, initial_response_len);

}

void

_g_dbus_auth_mechanism_server_data_receive (GDBusAuthMechanism *mechanism,

                                            const gchar        *data,

                                            gsize               data_len)

{

  g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism));

  G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_data_receive (mechanism, data, data_len);

}

gchar *

_g_dbus_auth_mechanism_server_data_send (GDBusAuthMechanism *mechanism,

                                         gsize              *out_data_len)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_data_send (mechanism, out_data_len);

}

gchar *

_g_dbus_auth_mechanism_server_get_reject_reason (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_get_reject_reason (mechanism);

}

void

_g_dbus_auth_mechanism_server_shutdown (GDBusAuthMechanism *mechanism)

{

  g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism));

  G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->server_shutdown (mechanism);

}

/* ---------------------------------------------------------------------------------------------------- */

GDBusAuthMechanismState

_g_dbus_auth_mechanism_client_get_state (GDBusAuthMechanism *mechanism)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), G_DBUS_AUTH_MECHANISM_STATE_INVALID);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->client_get_state (mechanism);

}

gchar *

_g_dbus_auth_mechanism_client_initiate (GDBusAuthMechanism *mechanism,

                                        gsize              *out_initial_response_len)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->client_initiate (mechanism,

                                                                       out_initial_response_len);

}

void

_g_dbus_auth_mechanism_client_data_receive (GDBusAuthMechanism *mechanism,

                                            const gchar        *data,

                                            gsize               data_len)

{

  g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism));

  G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->client_data_receive (mechanism, data, data_len);

}

gchar *

_g_dbus_auth_mechanism_client_data_send (GDBusAuthMechanism *mechanism,

                                         gsize              *out_data_len)

{

  g_return_val_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism), NULL);

  return G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->client_data_send (mechanism, out_data_len);

}

void

_g_dbus_auth_mechanism_client_shutdown (GDBusAuthMechanism *mechanism)

{

  g_return_if_fail (G_IS_DBUS_AUTH_MECHANISM (mechanism));

  G_DBUS_AUTH_MECHANISM_GET_CLASS (mechanism)->client_shutdown (mechanism);

}

/* ---------------------------------------------------------------------------------------------------- */