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// ModuleCallbackAuthentication.cs - GnomeVfsModuleCallback* bindings.
//
// Authors: Jeroen Zwartepoorte <jeroen@xs4all.nl>
//
// Copyright (c) 2004 Jeroen Zwartepoorte
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
using System;
using System.Runtime.InteropServices;
namespace Gnome.Vfs {
public class ModuleCallbackAuthentication : ModuleCallback {
public enum AuthenticationType {
Basic,
Digest
};
[StructLayout(LayoutKind.Sequential)]
internal struct ModuleCallbackAuthenticationIn {
public string Uri;
public string Realm;
public bool PreviousAttemptFailed;
public AuthenticationType AuthType;
private IntPtr _reserved1;
private IntPtr _reserved2;
}
[StructLayout(LayoutKind.Sequential)]
internal struct ModuleCallbackAuthenticationOut {
public string Username;
public string Password;
private IntPtr _reserved1;
private IntPtr _reserved2;
}
private delegate void ModuleCallbackAuthenticationNative (ref ModuleCallbackAuthenticationIn authIn, int inSize,
ref ModuleCallbackAuthenticationOut authOut, int outSize,
IntPtr data);
private delegate void ModuleCallbackAsyncAuthenticationNative (ref ModuleCallbackAuthenticationIn authIn, int inSize,
ref ModuleCallbackAuthenticationOut authOut, int outSize,
IntPtr data, IntPtr resp, IntPtr resp_data);
private string uri;
private string realm;
private bool previousAttemptFailed;
private AuthenticationType authType;
private string username;
private string password;
public string Uri {
get {
return uri;
}
}
public string Realm {
get {
return realm;
}
}
public bool PreviousAttemptFailed {
get {
return previousAttemptFailed;
}
}
public AuthenticationType AuthType {
get {
return authType;
}
}
public string Username {
set {
username = value;
}
}
public string Password {
set {
password = value;
}
}
public override event ModuleCallbackHandler Callback;
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_push (string callback_name, ModuleCallbackAuthenticationNative callback, IntPtr data, IntPtr destroy);
public override void Push ()
{
gnome_vfs_module_callback_push ("simple-authentication",
new ModuleCallbackAuthenticationNative (OnNativeCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_pop (string callback_name);
public override void Pop ()
{
gnome_vfs_module_callback_pop ("simple-authentication");
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_set_default (string callback_name, ModuleCallbackAuthenticationNative callback, IntPtr data, IntPtr destroy);
public override void SetDefault ()
{
gnome_vfs_module_callback_set_default ("simple-authentication",
new ModuleCallbackAuthenticationNative (OnNativeCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_push (string callback_name, ModuleCallbackAsyncAuthenticationNative callback, IntPtr data, IntPtr destroy);
public override void PushAsync ()
{
gnome_vfs_async_module_callback_push ("simple-authentication",
new ModuleCallbackAsyncAuthenticationNative (OnNativeAsyncCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_pop (string callback_name);
public override void PopAsync ()
{
gnome_vfs_async_module_callback_pop ("simple-authentication");
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_set_default (string callback_name, ModuleCallbackAsyncAuthenticationNative callback, IntPtr data, IntPtr destroy);
public override void SetDefaultAsync ()
{
gnome_vfs_async_module_callback_set_default ("simple-authentication",
new ModuleCallbackAsyncAuthenticationNative (OnNativeAsyncCallback),
IntPtr.Zero, IntPtr.Zero);
}
private void OnNativeAsyncCallback (ref ModuleCallbackAuthenticationIn authIn, int inSize,
ref ModuleCallbackAuthenticationOut authOut, int outSize,
IntPtr data, IntPtr resp, IntPtr resp_data)
{
OnNativeCallback (ref authIn, inSize, ref authOut, outSize, data);
}
private void OnNativeCallback (ref ModuleCallbackAuthenticationIn authIn, int inSize,
ref ModuleCallbackAuthenticationOut authOut, int outSize, IntPtr data)
{
// Copy the authIn fields.
uri = authIn.Uri;
realm = authIn.Realm;
previousAttemptFailed = authIn.PreviousAttemptFailed;
authType = authIn.AuthType;
// Activate the callback.
ModuleCallbackHandler handler = Callback;
if (handler != null) {
handler (this);
// Copy the values back to the authOut.
authOut.Username = username;
authOut.Password = password;
}
}
}
}
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