144 lines
4.7 KiB
C#
144 lines
4.7 KiB
C#
/// Copyright 2016 Kopano b.v.
|
|
///
|
|
/// This program is free software: you can redistribute it and/or modify
|
|
/// it under the terms of the GNU Affero General Public License, version 3,
|
|
/// 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 Affero General Public License for more details.
|
|
///
|
|
/// You should have received a copy of the GNU Affero General Public License
|
|
/// along with this program.If not, see<http://www.gnu.org/licenses/>.
|
|
///
|
|
/// Consult LICENSE file for details
|
|
|
|
using Acacia.UI;
|
|
using Acacia.UI.Outlook;
|
|
using Acacia.Utils;
|
|
using Acacia.ZPush;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace Acacia.Features.WebApp
|
|
{
|
|
[AcaciaOption("Provides the ability to open Kopano WebApp from within Outlook.")]
|
|
public class FeatureWebApp : Feature, FeatureWithRibbon
|
|
{
|
|
private RibbonButton _button;
|
|
|
|
public override void Startup()
|
|
{
|
|
_button = RegisterButton(this, "WebApp", true, OpenWebApp, ZPushBehaviour.None);
|
|
// Start autodiscover
|
|
Watcher.AccountDiscovered += Watcher_AccountDiscovered;
|
|
Watcher.ZPushAccountChange += AccountChange;
|
|
}
|
|
|
|
private void Watcher_AccountDiscovered(ZPushAccount account)
|
|
{
|
|
// Start an autodiscover for each account
|
|
AutoDiscover(account);
|
|
}
|
|
|
|
private void AccountChange(ZPushAccount account)
|
|
{
|
|
if (_button != null)
|
|
{
|
|
bool enabled = account != null;
|
|
if (enabled)
|
|
{
|
|
// Hide the button if the url could not be fetched
|
|
enabled = AutoDiscover(account) != null;
|
|
}
|
|
_button.IsEnabled = enabled;
|
|
}
|
|
}
|
|
|
|
private const string TXT_KDISCOVER = "kdiscover";
|
|
|
|
private class URLCached
|
|
{
|
|
public readonly string Url;
|
|
public readonly DateTime Date;
|
|
|
|
public URLCached(string url)
|
|
{
|
|
this.Url = url;
|
|
this.Date = DateTime.Now;
|
|
}
|
|
}
|
|
|
|
private void Check_AutoDiscover(ZPushAccount account)
|
|
{
|
|
AutoDiscover(account);
|
|
|
|
// Update button state
|
|
AccountChange(account);
|
|
}
|
|
|
|
private void OpenWebApp()
|
|
{
|
|
ZPushAccount account = Watcher.CurrentZPushAccount();
|
|
if (account == null)
|
|
return;
|
|
|
|
// Get the url
|
|
string url = AutoDiscover(account);
|
|
if (url == null)
|
|
return;
|
|
|
|
// Open the browser
|
|
System.Diagnostics.Process.Start(url);
|
|
}
|
|
|
|
private string AutoDiscover(ZPushAccount account)
|
|
{
|
|
// Check for a cached entry
|
|
URLCached cached = account.GetFeatureData<URLCached>(this, TXT_KDISCOVER);
|
|
// Only cache actual URLs, not missing urls
|
|
if (cached != null)
|
|
return cached.Url;
|
|
|
|
// Perform a cached auto discover
|
|
try
|
|
{
|
|
Logger.Instance.Debug(this, "Starting kdiscover: {0}", account.DomainName);
|
|
string url = PerformAutoDiscover(account);
|
|
Logger.Instance.Debug(this, "Finished kdiscover: {0}: {1}", account.DomainName, url);
|
|
account.SetFeatureData(this, TXT_KDISCOVER, new URLCached(url));
|
|
return url;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Instance.Warning(this, "Exception during kdiscover: {0}: {1}", account.DomainName, e);
|
|
account.SetFeatureData(this, TXT_KDISCOVER, null);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private string PerformAutoDiscover(ZPushAccount account)
|
|
{
|
|
// Fetch the txt record
|
|
List<string> txt = DnsUtil.GetTxtRecord(account.DomainName);
|
|
if (txt == null)
|
|
return null;
|
|
|
|
// Find kdiscover
|
|
string kdiscover = txt.FirstOrDefault((record) => record.StartsWith(TXT_KDISCOVER));
|
|
if (string.IsNullOrEmpty(kdiscover))
|
|
return null;
|
|
|
|
string url = kdiscover.Substring(TXT_KDISCOVER.Length + 1).Trim();
|
|
if (string.IsNullOrWhiteSpace(url))
|
|
return null;
|
|
|
|
return url;
|
|
}
|
|
}
|
|
}
|