123 lines
4.2 KiB
C#
123 lines
4.2 KiB
C#
// Copyright (C) 2014, 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 modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// 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, but
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// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using System;
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using System.Collections.Generic;
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namespace Duplicati.Library.AutoUpdater
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{
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public static class AutoUpdateSettings
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{
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private static Dictionary<string, string> _cache = new Dictionary<string, string>();
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private const string APP_NAME = "AutoUpdateAppName.txt";
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private const string UPDATE_URL = "AutoUpdateURL.txt";
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private const string UPDATE_KEY = "AutoUpdateSignKey.txt";
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private const string UPDATE_README = "AutoUpdateFolderReadme.txt";
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private const string UPDATE_INSTALL_FILE = "AutoUpdateInstallIDTemplate.txt";
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private const string UPDATEURL_ENVNAME_TEMPLATE = "AUTOUPDATER_{0}_URLS";
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static AutoUpdateSettings()
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{
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ReadResourceText(APP_NAME);
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ReadResourceText(UPDATE_URL);
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ReadResourceText(UPDATE_KEY);
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ReadResourceText(UPDATE_README);
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ReadResourceText(UPDATE_INSTALL_FILE);
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}
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private static string ReadResourceText(string name)
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{
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string result;
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if (_cache.TryGetValue(name, out result))
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return result;
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try
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{
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using (var rd = new System.IO.StreamReader(System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(typeof(AutoUpdateSettings), name)))
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result = rd.ReadToEnd();
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}
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catch
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{
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}
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if (string.IsNullOrWhiteSpace(result))
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result = "";
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else
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result = result.Trim();
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_cache[name] = result;
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return result;
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}
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public static string[] URLs
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{
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get
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{
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if (UsesAlternateURLs)
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return Environment.GetEnvironmentVariable(string.Format(UPDATEURL_ENVNAME_TEMPLATE, AppName)).Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
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else
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return ReadResourceText(UPDATE_URL).Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);;
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}
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}
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public static bool UsesAlternateURLs
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{
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get
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{
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return !string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable(string.Format(UPDATEURL_ENVNAME_TEMPLATE, AppName)));
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}
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}
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public static string AppName
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{
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get { return ReadResourceText(APP_NAME); }
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}
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public static string UpdateFolderReadme
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{
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get { return ReadResourceText(UPDATE_README); }
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}
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public static string UpdateInstallFileText
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{
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get { return string.Format(ReadResourceText(UPDATE_INSTALL_FILE), Guid.NewGuid().ToString("N")); }
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}
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public static System.Security.Cryptography.RSACryptoServiceProvider SignKey
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{
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get
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{
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try
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{
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var key = System.Security.Cryptography.RSACryptoServiceProvider.Create();
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key.FromXmlString(ReadResourceText(UPDATE_KEY));
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return (System.Security.Cryptography.RSACryptoServiceProvider)key;
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}
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catch
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{
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}
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return null;
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}
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}
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}
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}
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