kenneth.skovhede@gmail.com
8b7d8c0270
Status: Fixed The user is no longer asked to verify the password for the connection git-svn-id: https://duplicati.googlecode.com/svn/trunk@973 59da171f-624f-0410-aa54-27559c288bec
505 lines
20 KiB
C#
505 lines
20 KiB
C#
#region Disclaimer / License
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// Copyright (C) 2011, Kenneth Skovhede
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// http://www.hexad.dk, opensource@hexad.dk
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Text;
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using System.Windows.Forms;
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namespace Duplicati.Library.Backend
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{
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public partial class SSHUI : UserControl
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{
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private const string USERNAME = "Username";
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private const string PASSWORD = "Password";
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private const string HOST = "Host";
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private const string FOLDER = "Folder";
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private const string PASWORDLESS = "Passwordless";
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private const string PORT = "Port";
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private const string DEBUG_ENABLED = "Debug enabled";
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private const string USE_UNMANAGED_SSH = "Use Unmanaged SSH";
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private const string SSH_KEYFILE = "Keyfile";
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private const string HAS_WARNED_PATH = "UI: Has warned path";
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private const string HAS_TESTED = "UI: Has tested";
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private const string HAS_WARNED_NO_SFTP = "UI: Has warned SFTP";
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private const string INITIALPASSWORD = "UI: Temp password";
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private bool m_warnedPath = false;
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private bool m_hasTested = false;
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private bool m_warnedNoSFTP = false;
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private const string DUPLICATI_ACTION_MARKER = "*duplicati-action*";
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private string m_uiAction = null;
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private IDictionary<string, string> m_options;
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private IDictionary<string, string> m_applicationSettings;
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public SSHUI(IDictionary<string, string> applicationSettings, IDictionary<string, string> options)
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: this()
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{
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m_applicationSettings = applicationSettings;
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m_options = options;
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}
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private SSHUI()
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{
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InitializeComponent();
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}
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internal bool Save(bool validate)
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{
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Save();
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if (!validate)
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return true;
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if (!ValidateForm())
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return false;
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if (!m_hasTested)
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switch (MessageBox.Show(this, Interface.CommonStrings.ConfirmTestConnectionQuestion, Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question))
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{
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case DialogResult.Yes:
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TestConnection_Click(null, null);
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if (!m_hasTested)
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return false;
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break;
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case DialogResult.No:
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break;
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default: //Cancel
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return false;
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}
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Save();
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m_options.Remove(INITIALPASSWORD);
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return true;
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}
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private void Save()
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{
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string initialPwd;
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bool hasInitial = m_options.TryGetValue(INITIALPASSWORD, out initialPwd);
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m_options.Clear();
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m_options[HAS_TESTED] = m_hasTested.ToString();
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m_options[HAS_WARNED_PATH] = m_warnedPath.ToString();
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m_options[HAS_WARNED_NO_SFTP] = m_warnedNoSFTP.ToString();
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m_options[PASWORDLESS]= (!UsePassword.Checked).ToString();
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m_options[PASSWORD] = UsePassword.Checked ? Password.Text : "";
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m_options[PORT] = ((int)Port.Value).ToString();
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m_options[HOST] = Servername.Text;
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m_options[FOLDER] = Path.Text;
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m_options[USERNAME] = Username.Text;
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m_options[DEBUG_ENABLED] = GenerateDebugOutput.Checked.ToString();
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m_options[USE_UNMANAGED_SSH] = UseUnmanagedSSH.Checked.ToString();
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m_options[SSH_KEYFILE] = Keyfile.Text;
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if (hasInitial)
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m_options[INITIALPASSWORD] = initialPwd;
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if (!string.IsNullOrEmpty(m_uiAction))
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m_options.Add(DUPLICATI_ACTION_MARKER, m_uiAction);
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}
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void SSHUI_PageLoad(object sender, EventArgs args)
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{
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bool passwordless;
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bool debug;
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bool useUnmanaged;
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int port;
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if (!m_options.ContainsKey(PASWORDLESS) || !bool.TryParse(m_options[PASWORDLESS], out passwordless))
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passwordless = false;
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if (!m_options.ContainsKey(PORT) || !int.TryParse(m_options[PORT], out port) || port < 0)
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port = 22;
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if (!m_options.ContainsKey(DEBUG_ENABLED) || !bool.TryParse(m_options[DEBUG_ENABLED], out debug))
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debug = false;
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if (!m_options.ContainsKey(USE_UNMANAGED_SSH) || !bool.TryParse(m_options[USE_UNMANAGED_SSH], out useUnmanaged))
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{
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useUnmanaged = false;
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if (m_applicationSettings.ContainsKey(SSHCommonOptions.DEFAULT_MANAGED))
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useUnmanaged = !Utility.Utility.ParseBool(m_applicationSettings[SSHCommonOptions.DEFAULT_MANAGED], true);
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}
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if (m_options.ContainsKey(HOST))
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Servername.Text = m_options[HOST];
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if (m_options.ContainsKey(FOLDER))
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Path.Text = m_options[FOLDER];
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if (m_options.ContainsKey(USERNAME))
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Username.Text = m_options[USERNAME];
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UsePassword.Checked = !passwordless;
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if (m_options.ContainsKey(PASSWORD))
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Password.Text = m_options[PASSWORD];
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if (m_options.ContainsKey(SSH_KEYFILE))
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Keyfile.Text = m_options[SSH_KEYFILE];
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if (!m_options.ContainsKey(INITIALPASSWORD))
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m_options[INITIALPASSWORD] = m_options.ContainsKey(PASSWORD) ? m_options[PASSWORD] : "";
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Password.AskToEnterNewPassword = !string.IsNullOrEmpty(m_options[INITIALPASSWORD]);
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Password.InitialPassword = m_options[INITIALPASSWORD];
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Port.Value = port;
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GenerateDebugOutput.Checked = debug;
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UseUnmanagedSSH.Checked = useUnmanaged;
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if (!m_options.ContainsKey(HAS_TESTED) || !bool.TryParse(m_options[HAS_TESTED], out m_hasTested))
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m_hasTested = false;
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if (!m_options.ContainsKey(HAS_WARNED_PATH) || !bool.TryParse(m_options[HAS_WARNED_PATH], out m_warnedPath))
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m_warnedPath = false;
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if (Library.Utility.Utility.IsClientLinux)
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{
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//sftp is likely present on linux/mac
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m_warnedNoSFTP = true;
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}
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else
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{
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if (!m_options.ContainsKey(HAS_WARNED_NO_SFTP) || !bool.TryParse(m_options[HAS_WARNED_NO_SFTP], out m_warnedNoSFTP))
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m_warnedNoSFTP = false;
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}
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m_options.TryGetValue(DUPLICATI_ACTION_MARKER, out m_uiAction);
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}
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private void TestConnection_Click(object sender, EventArgs e)
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{
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if (ValidateForm())
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{
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Cursor c = this.Cursor;
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try
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{
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this.Cursor = Cursors.WaitCursor;
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Save();
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Dictionary<string, string> options = new Dictionary<string, string>();
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string destination = GetConfiguration(m_applicationSettings, m_options, options);
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options["debug-to-console"] = "";
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bool existingBackup = false;
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using (SSH ssh = new SSH(destination, options))
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{
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foreach (Interface.IFileEntry n in ssh.List())
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if (n.Name.StartsWith("duplicati-"))
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{
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existingBackup = true;
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break;
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}
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}
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bool isUiAdd = string.IsNullOrEmpty(m_uiAction) || string.Equals(m_uiAction, "add", StringComparison.InvariantCultureIgnoreCase);
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if (existingBackup && isUiAdd)
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{
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if (MessageBox.Show(this, string.Format(Interface.CommonStrings.ExistingBackupDetectedQuestion), Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button3) != DialogResult.Yes)
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return;
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}
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else
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{
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MessageBox.Show(this, Interface.CommonStrings.ConnectionSuccess, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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m_hasTested = true;
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}
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catch (Interface.FolderMissingException)
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{
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switch (MessageBox.Show(this, Strings.SSHUI.CreateMissingFolderQuestion, Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question))
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{
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case DialogResult.Yes:
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CreateFolderButton.PerformClick();
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TestConnection.PerformClick();
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return;
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default:
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return;
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, string.Format(Interface.CommonStrings.ConnectionFailure, ex.Message), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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finally
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{
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this.Cursor = c;
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}
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}
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}
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private bool ValidateForm()
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{
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if (Servername.Text.Trim().Length <= 0)
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{
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MessageBox.Show(this, Interface.CommonStrings.EmptyServernameError, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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try { Servername.Focus(); }
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catch { }
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return false;
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}
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if (!Library.Utility.Utility.IsValidHostname(Servername.Text))
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{
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MessageBox.Show(this, string.Format(Library.Interface.CommonStrings.InvalidServernameError, Servername.Text), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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try { Servername.Focus(); }
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catch { }
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return false;
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}
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if (Username.Text.Trim().Length <= 0)
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{
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MessageBox.Show(this, Interface.CommonStrings.EmptyUsernameError, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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try { Username.Focus(); }
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catch { }
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return false;
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}
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if (Password.Text.Trim().Length <= 0 && UsePassword.Checked)
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{
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if (!UseUnmanagedSSH.Checked && Keyfile.Text.Trim().Length == 0)
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{
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MessageBox.Show(this, Interface.CommonStrings.EmptyPasswordError, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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try { Password.Focus(); }
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catch { }
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return false;
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}
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}
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if (!UsePassword.Checked && !UseUnmanagedSSH.Checked && Keyfile.Text.Trim().Length == 0)
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{
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MessageBox.Show(this, Strings.SSHUI.PasswordRequiredManagedError, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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UsePassword.Checked = true;
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try { Password.Focus(); }
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catch { }
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return false;
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}
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if (!m_warnedPath && Path.Text.Trim().Length == 0)
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{
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if (MessageBox.Show(this, Interface.CommonStrings.DefaultDirectoryWarning, Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) != DialogResult.Yes)
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{
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return false;
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}
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m_warnedPath = true;
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}
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if (!m_warnedNoSFTP && UseUnmanagedSSH.Checked)
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{
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string sftpPath = "";
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if (m_applicationSettings.ContainsKey(SSHCommonOptions.SFTP_PATH))
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sftpPath = m_applicationSettings[SSHCommonOptions.SFTP_PATH];
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System.IO.FileInfo fi = null;
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try { fi = new System.IO.FileInfo(System.Environment.ExpandEnvironmentVariables(sftpPath)); }
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catch { }
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if (fi == null || !fi.Exists)
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{
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if (MessageBox.Show(this, Strings.SSHUI.MissingSCPWarning, Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Warning) != DialogResult.Yes)
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{
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return false;
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}
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m_warnedNoSFTP = true;
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}
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}
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if (!UseUnmanagedSSH.Checked && !string.IsNullOrEmpty(Keyfile.Text))
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{
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try
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{
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SSH.ValidateKeyFile(Keyfile.Text);
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
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try { Keyfile.Focus(); }
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catch { }
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return false;
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}
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}
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return true;
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}
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private void Path_TextChanged(object sender, EventArgs e)
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{
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m_warnedPath = false;
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m_hasTested = false;
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}
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private void Servername_TextChanged(object sender, EventArgs e)
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{
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m_hasTested = false;
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}
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private void Username_TextChanged(object sender, EventArgs e)
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{
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m_hasTested = false;
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}
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private void Password_TextChanged(object sender, EventArgs e)
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{
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m_hasTested = false;
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}
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private void Port_ValueChanged(object sender, EventArgs e)
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{
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m_hasTested = false;
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}
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private void UsePassword_CheckedChanged(object sender, EventArgs e)
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{
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Password.Enabled = UsePassword.Checked;
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m_hasTested = false;
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}
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public static string PageTitle
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{
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get { return Strings.SSHUI.PageTitle; }
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}
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public static string PageDescription
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{
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get { return Strings.SSHUI.PageDescription; }
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}
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public static string GetConfiguration(IDictionary<string, string> applicationSettings, IDictionary<string, string> guiOptions, IDictionary<string, string> commandlineOptions)
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{
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if (guiOptions.ContainsKey(USERNAME) && !string.IsNullOrEmpty(guiOptions[USERNAME]))
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commandlineOptions["ftp-username"] = guiOptions[USERNAME];
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bool passwordless;
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if (!guiOptions.ContainsKey(PASWORDLESS) || !bool.TryParse(guiOptions[PASWORDLESS], out passwordless))
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passwordless = false;
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if (!passwordless && guiOptions.ContainsKey(PASSWORD) && !string.IsNullOrEmpty(guiOptions[PASSWORD]))
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commandlineOptions["ftp-password"] = guiOptions[PASSWORD];
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if (!commandlineOptions.ContainsKey("ssh-options"))
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commandlineOptions["ssh-options"] = "";
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int port;
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if (!guiOptions.ContainsKey(PORT) || !int.TryParse(guiOptions[PORT], out port))
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port = 22;
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if (applicationSettings.ContainsKey(SSHCommonOptions.SFTP_PATH))
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commandlineOptions[SSH.SFTP_PATH_OPTION] = applicationSettings[SSHCommonOptions.SFTP_PATH];
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bool debug;
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if (!guiOptions.ContainsKey(DEBUG_ENABLED) || !bool.TryParse(guiOptions[DEBUG_ENABLED], out debug))
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debug = false;
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if (debug)
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commandlineOptions["debug-to-console"] = "";
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bool useUnmanaged = guiOptions.ContainsKey(USE_UNMANAGED_SSH) ? Utility.Utility.ParseBool(guiOptions[USE_UNMANAGED_SSH], false) : false;
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if (useUnmanaged)
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{
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commandlineOptions[SSH.USE_UNMANAGED_OPTION] = "";
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commandlineOptions["disable-streaming-transfers"] = "";
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}
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else
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{
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string keyfile;
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guiOptions.TryGetValue(SSH_KEYFILE, out keyfile);
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if ((keyfile ?? "").Trim().Length > 0)
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commandlineOptions[SSH.SSH_KEYFILE_OPTION] = guiOptions[SSH_KEYFILE];
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}
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if (!guiOptions.ContainsKey(HOST))
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throw new Exception(string.Format(Interface.CommonStrings.ConfigurationIsMissingItemError, HOST));
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return "ssh://" + guiOptions[HOST] + ":" + port.ToString() + "/" + (guiOptions.ContainsKey(FOLDER) ? guiOptions[FOLDER] : "");
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}
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private void UseUnmanagedSSH_CheckedChanged(object sender, EventArgs e)
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{
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Keyfilelabel.Enabled =
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Keyfile.Enabled =
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BrowseForKeyFileButton.Enabled =
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!UseUnmanagedSSH.Checked;
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}
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private void CreateFolderButton_Click(object sender, EventArgs e)
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{
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if (ValidateForm())
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{
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Cursor c = this.Cursor;
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try
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{
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this.Cursor = Cursors.WaitCursor;
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Save();
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Dictionary<string, string> options = new Dictionary<string, string>();
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string destination = GetConfiguration(m_applicationSettings, m_options, options);
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options["debug-to-console"] = "";
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SSH ssh = new SSH(destination, options);
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ssh.CreateFolder();
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MessageBox.Show(this, Interface.CommonStrings.FolderCreated, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
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m_hasTested = true;
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, string.Format(Interface.CommonStrings.ConnectionFailure, ex.Message), Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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finally
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{
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this.Cursor = c;
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}
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}
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}
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private void BrowseForKeyFileButton_Click(object sender, EventArgs e)
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{
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if (OpenSSHKeyFileDialog.ShowDialog(this) == DialogResult.OK)
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{
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try
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{
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SSH.ValidateKeyFile(OpenSSHKeyFileDialog.FileName);
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}
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catch (Exception ex)
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{
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MessageBox.Show(this, ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
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return;
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}
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Keyfile.Text = OpenSSHKeyFileDialog.FileName;
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}
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}
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private void Keyfile_TextChanged(object sender, EventArgs e)
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{
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m_hasTested = false;
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}
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}
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}
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