2013-11-28 12:18:00 +13:00
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#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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2017-01-11 21:39:40 +13:00
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Copyright (c) 2007-2017 ShareX Team
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2013-11-28 12:18:00 +13:00
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; 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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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.IO;
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using System.Net;
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using System.Net.Cache;
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using System.Xml;
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using System.Xml.Linq;
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2014-12-11 09:25:20 +13:00
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namespace ShareX.HelpersLib
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2013-11-28 12:18:00 +13:00
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{
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public class XMLUpdateChecker : UpdateChecker
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{
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public string URL { get; private set; }
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public string ApplicationName { get; private set; }
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public XMLUpdateChecker(string url, string applicationName)
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{
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URL = url;
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ApplicationName = applicationName;
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}
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public override void CheckUpdate()
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{
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try
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{
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using (WebClient wc = new WebClient())
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{
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wc.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
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2017-03-12 10:35:18 +13:00
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wc.Headers.Add(HttpRequestHeader.UserAgent, ShareXResources.UserAgent);
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2013-11-28 12:18:00 +13:00
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wc.Proxy = Proxy;
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using (MemoryStream ms = new MemoryStream(wc.DownloadData(URL)))
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using (XmlTextReader xml = new XmlTextReader(ms))
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{
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XDocument xd = XDocument.Load(xml);
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if (xd != null)
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{
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string node;
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switch (ReleaseType)
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{
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default:
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case ReleaseChannelType.Stable:
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node = "Stable";
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break;
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case ReleaseChannelType.Beta:
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node = "Beta|Stable";
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break;
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case ReleaseChannelType.Dev:
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node = "Dev|Beta|Stable";
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break;
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}
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string path = string.Format("Update/{0}/{1}", ApplicationName, node);
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XElement xe = xd.GetNode(path);
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if (xe != null)
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{
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2014-07-23 12:18:49 +12:00
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LatestVersion = new Version(xe.Element("Version").Value);
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DownloadURL = xe.Element("URL").Value;
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RefreshStatus();
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2013-11-28 12:18:00 +13:00
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return;
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}
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}
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}
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}
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}
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catch (Exception e)
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{
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2014-06-15 22:29:09 +12:00
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DebugHelper.WriteException(e, "XML update check failed");
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2013-11-28 12:18:00 +13:00
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}
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2014-07-23 12:18:49 +12:00
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Status = UpdateStatus.UpdateCheckFailed;
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2013-11-28 12:18:00 +13:00
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}
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}
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}
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