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glib/gio/gmountoperation.c
Matthias Clasen d16037e0e7 Documentation updates 
svn path=/trunk/; revision=6336
2008-01-21 03:49:20 +00:00

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <string.h>
#include "gmountoperation.h"
#include "gioenumtypes.h"
#include "gio-marshal.h"
#include "glibintl.h"
#include "gioalias.h"
/**
* SECTION:gmountoperation
* @short_description: Authentication methods for mountable locations
* @include: gio.h
*
* #GMountOperation provides a mechanism for authenticating mountable
* operations, such as loop mounting files, hard drive partitions or
* server locations.
*
* Mounting operations are handed a #GMountOperation that then can use
* if they require any privileges or authentication for their volumes
* to be mounted (e.g. a hard disk partition or an encrypted filesystem),
* or if they are implementing a remote server protocol which requires
* user credentials such as FTP or WebDAV.
*
* Users should instantiate a subclass of this that implements all
* the various callbacks to show the required dialogs.
**/
G_DEFINE_TYPE (GMountOperation, g_mount_operation, G_TYPE_OBJECT);
enum {
ASK_PASSWORD,
ASK_QUESTION,
REPLY,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
struct _GMountOperationPrivate {
char *password;
char *user;
char *domain;
gboolean anonymous;
GPasswordSave password_save;
int choice;
};
enum {
PROP_0,
PROP_USERNAME,
PROP_PASSWORD,
PROP_ANONYMOUS,
PROP_DOMAIN,
PROP_PASSWORD_SAVE,
PROP_CHOICE
};
static void
g_mount_operation_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GMountOperation *operation;
operation = G_MOUNT_OPERATION (object);
switch (prop_id)
{
case PROP_USERNAME:
g_mount_operation_set_username (operation,
g_value_get_string (value));
break;
case PROP_PASSWORD:
g_mount_operation_set_password (operation,
g_value_get_string (value));
break;
case PROP_ANONYMOUS:
g_mount_operation_set_anonymous (operation,
g_value_get_boolean (value));
break;
case PROP_DOMAIN:
g_mount_operation_set_domain (operation,
g_value_get_string (value));
break;
case PROP_PASSWORD_SAVE:
g_mount_operation_set_password_save (operation,
g_value_get_enum (value));
break;
case PROP_CHOICE:
g_mount_operation_set_choice (operation,
g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_mount_operation_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GMountOperation *operation;
GMountOperationPrivate *priv;
operation = G_MOUNT_OPERATION (object);
priv = operation->priv;
switch (prop_id)
{
case PROP_USERNAME:
g_value_set_string (value, priv->user);
break;
case PROP_PASSWORD:
g_value_set_string (value, priv->password);
break;
case PROP_ANONYMOUS:
g_value_set_boolean (value, priv->anonymous);
break;
case PROP_DOMAIN:
g_value_set_string (value, priv->domain);
break;
case PROP_PASSWORD_SAVE:
g_value_set_enum (value, priv->password_save);
break;
case PROP_CHOICE:
g_value_set_int (value, priv->choice);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_mount_operation_finalize (GObject *object)
{
GMountOperation *operation;
GMountOperationPrivate *priv;
operation = G_MOUNT_OPERATION (object);
priv = operation->priv;
g_free (priv->password);
g_free (priv->user);
g_free (priv->domain);
if (G_OBJECT_CLASS (g_mount_operation_parent_class)->finalize)
(*G_OBJECT_CLASS (g_mount_operation_parent_class)->finalize) (object);
}
static gboolean
reply_non_handled_in_idle (gpointer data)
{
GMountOperation *op = data;
g_mount_operation_reply (op, G_MOUNT_OPERATION_UNHANDLED);
return FALSE;
}
static void
ask_password (GMountOperation *op,
const char *message,
const char *default_user,
const char *default_domain,
GAskPasswordFlags flags)
{
g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
reply_non_handled_in_idle,
g_object_ref (op),
g_object_unref);
}
static void
ask_question (GMountOperation *op,
const char *message,
const char *choices[])
{
g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
reply_non_handled_in_idle,
g_object_ref (op),
g_object_unref);
}
static void
g_mount_operation_class_init (GMountOperationClass *klass)
{
GObjectClass *object_class;
g_type_class_add_private (klass, sizeof (GMountOperationPrivate));
object_class = G_OBJECT_CLASS (klass);
object_class->finalize = g_mount_operation_finalize;
object_class->get_property = g_mount_operation_get_property;
object_class->set_property = g_mount_operation_set_property;
klass->ask_password = ask_password;
klass->ask_question = ask_question;
/**
* GMountOperation::ask-password:
* @op: a #GMountOperation requesting a password.
* @message: string containing a message to display to the user.
* @default_user: string containing the default user name.
* @default_domain: string containing the default domain.
* @flags: a set of #GAskPasswordFlags.
*
* Emitted when a mount operation asks the user for a password.
*/
signals[ASK_PASSWORD] =
g_signal_new (I_("ask_password"),
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GMountOperationClass, ask_password),
NULL, NULL,
_gio_marshal_VOID__STRING_STRING_STRING_FLAGS,
G_TYPE_NONE, 4,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_ASK_PASSWORD_FLAGS);
/**
* GMountOperation::ask-question:
* @op: a #GMountOperation asking a question.
* @message: string containing a message to display to the user.
* @choices: an array of strings for each possible choice.
*
* Emitted when asking the user a question and gives a list of
* choices for the user to choose from.
*/
signals[ASK_QUESTION] =
g_signal_new (I_("ask_question"),
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GMountOperationClass, ask_question),
NULL, NULL,
_gio_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_STRV);
/**
* GMountOperation::reply:
* @op: a #GMountOperation.
* @abort: a boolean indicating %TRUE if the operation was aborted.
*
* Emitted when the user has replied to the mount operation.
*/
signals[REPLY] =
g_signal_new (I_("reply"),
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GMountOperationClass, reply),
NULL, NULL,
g_cclosure_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
G_TYPE_MOUNT_OPERATION_RESULT);
/**
* GMountOperation:username:
*
* The user name that is used for authentication when carrying out
* the mount operation.
*/
g_object_class_install_property (object_class,
PROP_USERNAME,
g_param_spec_string ("username",
P_("Username"),
P_("The user name"),
NULL,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
/**
* GMountOperation:password:
*
* The password that is used for authentication when carrying out
* the mount operation.
*/
g_object_class_install_property (object_class,
PROP_PASSWORD,
g_param_spec_string ("password",
P_("Password"),
P_("The password"),
NULL,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
/**
* GMountOperation:anonymous:
*
* Whether to use an anonymous user when authenticating.
*/
g_object_class_install_property (object_class,
PROP_ANONYMOUS,
g_param_spec_boolean ("anonymous",
P_("Anonymous"),
P_("Whether to use an anonymous user"),
FALSE,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
/**
* GMountOperation:domain:
*
* The domain to use for the mount operation.
*/
g_object_class_install_property (object_class,
PROP_DOMAIN,
g_param_spec_string ("domain",
P_("Domain"),
P_("The domain of the mount operation"),
NULL,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
/**
* GMountOperation:password-save:
*
* Determines if and how the password information should be saved.
*/
g_object_class_install_property (object_class,
PROP_PASSWORD_SAVE,
g_param_spec_enum ("password-save",
P_("Password save"),
P_("How passwords should be saved"),
G_TYPE_PASSWORD_SAVE,
G_PASSWORD_SAVE_NEVER,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
/**
* GMountOperation:choice:
*
* The index of the user's choice when a question is asked during the
* mount operation. See the #GMountOperation::ask-question signal.
*/
g_object_class_install_property (object_class,
PROP_CHOICE,
g_param_spec_int ("choice",
P_("Choice"),
P_("The users choice"),
0, G_MAXINT, 0,
G_PARAM_READWRITE|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
}
static void
g_mount_operation_init (GMountOperation *operation)
{
operation->priv = G_TYPE_INSTANCE_GET_PRIVATE (operation,
G_TYPE_MOUNT_OPERATION,
GMountOperationPrivate);
}
/**
* g_mount_operation_new:
*
* Creates a new mount operation.
*
* Returns: a #GMountOperation.
**/
GMountOperation *
g_mount_operation_new (void)
{
return g_object_new (G_TYPE_MOUNT_OPERATION, NULL);
}
/**
* g_mount_operation_get_username
* @op: a #GMountOperation.
*
* Get the user name from the mount operation.
*
* Returns: a string containing the user name.
**/
const char *
g_mount_operation_get_username (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), NULL);
return op->priv->user;
}
/**
* g_mount_operation_set_username:
* @op: a #GMountOperation.
* @username: input username.
*
* Sets the user name within @op to @username.
*
**/
void
g_mount_operation_set_username (GMountOperation *op,
const char *username)
{
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
g_free (op->priv->user);
op->priv->user = g_strdup (username);
g_object_notify (G_OBJECT (op), "username");
}
/**
* g_mount_operation_get_password:
* @op: a #GMountOperation.
*
* Gets a password from the mount operation.
*
* Returns: a string containing the password within @op.
**/
const char *
g_mount_operation_get_password (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), NULL);
return op->priv->password;
}
/**
* g_mount_operation_set_password:
* @op: a #GMountOperation.
* @password: password to set.
*
* Sets the mount operation's password to @password.
*
**/
void
g_mount_operation_set_password (GMountOperation *op,
const char *password)
{
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
g_free (op->priv->password);
op->priv->password = g_strdup (password);
g_object_notify (G_OBJECT (op), "password");
}
/**
* g_mount_operation_get_anonymous:
* @op: a #GMountOperation.
*
* Check to see whether the mount operation is being used
* for an anonymous user.
*
* Returns: %TRUE if mount operation is anonymous.
**/
gboolean
g_mount_operation_get_anonymous (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), FALSE);
return op->priv->anonymous;
}
/**
* g_mount_operation_set_anonymous:
* @op: a #GMountOperation.
* @anonymous: boolean value.
*
* Sets the mount operation to use an anonymous user if @anonymous is %TRUE.
**/
void
g_mount_operation_set_anonymous (GMountOperation *op,
gboolean anonymous)
{
GMountOperationPrivate *priv;
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
priv = op->priv;
if (priv->anonymous != anonymous)
{
priv->anonymous = anonymous;
g_object_notify (G_OBJECT (op), "anonymous");
}
}
/**
* g_mount_operation_get_domain:
* @op: a #GMountOperation.
*
* Gets the domain of the mount operation.
*
* Returns: a string set to the domain.
**/
const char *
g_mount_operation_get_domain (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), NULL);
return op->priv->domain;
}
/**
* g_mount_operation_set_domain:
* @op: a #GMountOperation.
* @domain: the domain to set.
*
* Sets the mount operation's domain.
**/
void
g_mount_operation_set_domain (GMountOperation *op,
const char *domain)
{
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
g_free (op->priv->domain);
op->priv->domain = g_strdup (domain);
g_object_notify (G_OBJECT (op), "domain");
}
/**
* g_mount_operation_get_password_save:
* @op: a #GMountOperation.
*
* Gets the state of saving passwords for the mount operation.
*
* Returns: a #GPasswordSave flag.
**/
GPasswordSave
g_mount_operation_get_password_save (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), G_PASSWORD_SAVE_NEVER);
return op->priv->password_save;
}
/**
* g_mount_operation_set_password_save:
* @op: a #GMountOperation.
* @save: a set of #GPasswordSave flags.
*
* Sets the state of saving passwords for the mount operation.
*
**/
void
g_mount_operation_set_password_save (GMountOperation *op,
GPasswordSave save)
{
GMountOperationPrivate *priv;
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
priv = op->priv;
if (priv->password_save != save)
{
priv->password_save = save;
g_object_notify (G_OBJECT (op), "password-save");
}
}
/**
* g_mount_operation_get_choice:
* @op: a #GMountOperation.
*
* Gets a choice from the mount operation.
*
* Returns: an integer containing an index of the user's choice from
* the choice's list, or %0.
**/
int
g_mount_operation_get_choice (GMountOperation *op)
{
g_return_val_if_fail (G_IS_MOUNT_OPERATION (op), 0);
return op->priv->choice;
}
/**
* g_mount_operation_set_choice:
* @op: a #GMountOperation.
* @choice: an integer.
*
* Sets a default choice for the mount operation.
**/
void
g_mount_operation_set_choice (GMountOperation *op,
int choice)
{
GMountOperationPrivate *priv;
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
priv = op->priv;
if (priv->choice != choice)
{
priv->choice = choice;
g_object_notify (G_OBJECT (op), "choice");
}
}
/**
* g_mount_operation_reply:
* @op: a #GMountOperation
* @result: a #GMountOperationResult
*
* Emits the #GMountOperation::reply signal.
**/
void
g_mount_operation_reply (GMountOperation *op,
GMountOperationResult result)
{
g_return_if_fail (G_IS_MOUNT_OPERATION (op));
g_signal_emit (op, signals[REPLY], 0, result);
}
#define __G_MOUNT_OPERATION_C__
#include "gioaliasdef.c"
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