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//
// GitCredentials.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using MonoDevelop.Core;
using MonoDevelop.Ide;
using NGit.Transport;
namespace MonoDevelop.VersionControl.Git
{
public class GitCredentials: CredentialsProvider
{
bool HasReset {
get; set;
}
public override bool IsInteractive ()
{
return true;
}
public override bool Supports (params CredentialItem[] items)
{
return true;
}
public override bool Get (URIish uri, params CredentialItem[] items)
{
bool result = false;
CredentialItem.Password passwordItem = null;
CredentialItem.StringType passphraseItem = null;
// We always need to run the TryGet* methods as we need the passphraseItem/passwordItem populated even
// if the password store contains an invalid password/no password
if (TryGetUsernamePassword (uri, items, out passwordItem) || TryGetPassphrase (uri, items, out passphraseItem)) {
// If the password store has a password and we already tried using it, it could be incorrect.
// If this happens, do not return true and ask the user for a new password.
if (!HasReset) {
return true;
}
}
DispatchService.GuiSyncDispatch (delegate {
CredentialsDialog dlg = new CredentialsDialog (uri, items);
try {
result = MessageService.ShowCustomDialog (dlg) == (int)Gtk.ResponseType.Ok;
} finally {
dlg.Destroy ();
}
});
HasReset = false;
if (result) {
if (passwordItem != null) {
PasswordService.AddWebPassword (new Uri (uri.ToString ()), new string (passwordItem.GetValue ()));
} else if (passphraseItem != null) {
PasswordService.AddWebPassword (new Uri (uri.ToString ()), passphraseItem.GetValue ());
}
}
return result;
}
public override void Reset (URIish uri)
{
HasReset = true;
}
bool TryGetPassphrase (URIish uri, CredentialItem[] items, out CredentialItem.StringType passphraseItem)
{
var actualUrl = new Uri (uri.ToString ());
var passphrase = (CredentialItem.StringType) items.FirstOrDefault (i => i is CredentialItem.StringType);
if (items.Length == 1 && passphrase != null) {
passphraseItem = passphrase;
var passphraseValue = PasswordService.GetWebPassword (actualUrl);
if (passphraseValue != null) {
passphrase.SetValue (passphraseValue);
return true;
}
} else {
passphraseItem = null;
}
return false;
}
bool TryGetUsernamePassword (URIish uri, CredentialItem[] items, out CredentialItem.Password passwordItem)
{
var actualUrl = new Uri (uri.ToString ());
var username = (CredentialItem.Username) items.FirstOrDefault (i => i is CredentialItem.Username);
var password = (CredentialItem.Password) items.FirstOrDefault (i => i is CredentialItem.Password);
if (items.Length == 2 && username == null && password == null) {
passwordItem = password;
var passwordValue = PasswordService.GetWebPassword (actualUrl);
if (passwordValue != null) {
username.SetValue (actualUrl.UserInfo);
password.SetValueNoCopy (passwordValue.ToArray ());
return true;
}
} else {
passwordItem = null;
}
return false;
}
}
}
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