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"Merged" 0.8 with HEAD, so we can continue developing

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1282 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
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RKrom 2011-07-17 12:05:59 +00:00
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Greenshot/Helpers/UpdateHelper.cs Normal file
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/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2011 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Xml;
using Greenshot.Configuration;
using GreenshotPlugin.Controls;
using GreenshotPlugin.Core;
namespace Greenshot.Experimental {
public class SourceforgeFile {
private string file;
public string File {
get {return file;}
}
private DateTime pubdate;
public DateTime Pubdate {
get {return pubdate;}
}
private string link;
public string Link {
get {return link;}
}
private string directLink;
public string DirectLink {
get {return directLink;}
}
private Version version;
public Version Version {
get {return version;}
set {
version = value;
}
}
private string language;
public string Language {
get {return language;}
set {language = value;}
}
public SourceforgeFile(string file, string pubdate, string link, string directLink) {
this.file = file;
this.pubdate = DateTime.Parse(pubdate);
this.link = link;
this.directLink = directLink;
}
}
/// <summary>
/// Description of RssFeedHelper.
/// </summary>
public class UpdateHelper {
private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(UpdateHelper));
private const String RSSFEED = "https://sourceforge.net/api/file/index/project-id/191585/mtime/desc/rss";
private static CoreConfiguration conf = IniConfig.GetIniSection<CoreConfiguration>();
private static Dictionary<string, string> mirrors = new Dictionary<string, string>();
private static object lockObject = new object();
private static SourceforgeFile latestGreenshot;
private static SourceforgeFile currentGreenshot;
//private static List<RssFile> languageFiles;
static UpdateHelper() {
// See: http://sourceforge.net/apps/trac/sourceforge/wiki/Mirrors
mirrors.Add("aarnet", "Brisbane, Australia");
mirrors.Add("cdnetworks-kr-1", "Seoul, Korea, Republic of");
mirrors.Add("cdnetworks-kr-2", "Seoul, Korea, Republic of");
mirrors.Add("cdnetworks-us-1", "San Jose, CA");
mirrors.Add("cdnetworks-us-2", "San Jose, CA");
mirrors.Add("citylan", "Moscow, Russian Federation");
}
/// <summary>
/// Is an update check needed?
/// </summary>
/// <returns>bool true if yes</returns>
public static bool IsUpdateCheckNeeded() {
lock (lockObject) {
if (conf.UpdateCheckInterval == 0) {
return false;
}
if (conf.LastUpdateCheck != null) {
DateTime checkTime = conf.LastUpdateCheck;
checkTime = checkTime.AddDays(conf.UpdateCheckInterval);
if (DateTime.Now.CompareTo(checkTime) < 0) {
LOG.DebugFormat("No need to check RSS feed for updates, feed check will be after {0}", checkTime);
return false;
} else {
LOG.DebugFormat("Update check is due, last check was {0} check needs to be made after {1} (which is one {2} later)", conf.LastUpdateCheck, checkTime, conf.UpdateCheckInterval);
}
}
}
return true;
}
/// <summary>
/// Read the RSS feed to see if there is a Greenshot update
/// </summary>
public static void CheckAndAskForUpdate() {
lock (lockObject) {
Version currentVersion = Assembly.GetExecutingAssembly().GetName().Version;
// Test like this:
// Version currentVersion = new Version("0.8.1.1198");
try {
UpdateHelper.ProcessRSSInfo(currentVersion);
if (latestGreenshot != null) {
ILanguage lang = Language.GetInstance();
DialogResult result = MessageBox.Show(lang.GetFormattedString(LangKey.update_found, latestGreenshot.Version), "Greenshot", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly, false);
if (result == DialogResult.OK) {
Process.Start(latestGreenshot.Link);
}
}
conf.LastUpdateCheck = DateTime.Now;
IniConfig.Save();
} catch (Exception e) {
LOG.Error("An error occured while checking for updates, the error will be ignored: ", e);
}
}
}
private static void ProcessRSSInfo(Version currentVersion) {
// Reset latest Greenshot
latestGreenshot = null;
Dictionary<string, Dictionary<string, SourceforgeFile>> rssFiles = readRSS();
if (rssFiles == null) {
return;
}
// Retrieve the current and latest greenshot
foreach(string fileType in rssFiles.Keys) {
foreach(string file in rssFiles[fileType].Keys) {
SourceforgeFile rssFile = rssFiles[fileType][file];
if (fileType.StartsWith("Greenshot")) {
// check for exe
if (rssFile.File == null || !rssFile.File.EndsWith(".exe")) {
continue;
}
// Check if non stable
if (!conf.CheckUnstable && rssFile.File.ToLower().Contains("unstable")) {
continue;
}
if (rssFile.Version == null) {
LOG.DebugFormat("Skipping unversioned exe {0} with published at {1} : {2}", file, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
continue;
}
int versionCompare = rssFile.Version.CompareTo(currentVersion);
if (versionCompare > 0) {
LOG.DebugFormat("Found newer version as exe {0} with version {1} published at {2} : {3}", file, rssFile.Version, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
if (latestGreenshot == null || rssFile.Version.CompareTo(latestGreenshot.Version) > 0) {
latestGreenshot = rssFile;
}
} else if (versionCompare < 0) {
LOG.DebugFormat("Skipping older greenshot with version {0}", rssFile.Version);
} else if (versionCompare == 0) {
currentGreenshot = rssFile;
LOG.DebugFormat("Found current version as exe {0} with version {1} published at {2} : {3}", file, rssFile.Version, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
}
}
}
}
// // check for language file updates
// // Directory to store the language files
// string languageFilePath = Path.GetDirectoryName(Language.GetInstance().GetHelpFilePath());
// LOG.DebugFormat("Language file path: {0}", languageFilePath);
// foreach(string fileType in rssFiles.Keys) {
// foreach(string file in rssFiles[fileType].Keys) {
// RssFile rssFile = rssFiles[fileType][file];
// if (fileType.Equals("Translations")) {
// LOG.DebugFormat("Found translation {0} with language {1} published at {2} : {3}", file, rssFile.Language, rssFile.Pubdate.ToLocalTime(), rssFile.Link);
// string languageFile = Path.Combine(languageFilePath, file);
// if (!File.Exists(languageFile)) {
// LOG.DebugFormat("Found not installed language: {0}", rssFile.Language);
// // Example to download language files
// //string languageFileContent = GreenshotPlugin.Core.NetworkHelper.DownloadFileAsString(new Uri(rssFile.Link), Encoding.UTF8);
// //TextWriter writer = new StreamWriter(languageFile, false, Encoding.UTF8);
// //LOG.InfoFormat("Writing {0}", languageFile);
// //writer.Write(languageFileContent);
// //writer.Close();
// }
// }
// }
// }
}
/// <summary>
/// Read the Greenshot RSS feed, so we can use this information to check for updates
/// </summary>
/// <returns>Dictionary<string, Dictionary<string, RssFile>> with files and their RssFile "description"</returns>
private static Dictionary<string, Dictionary<string, SourceforgeFile>> readRSS() {
HttpWebRequest webRequest = (HttpWebRequest)GreenshotPlugin.Core.NetworkHelper.CreatedWebRequest(RSSFEED);
XmlTextReader rssReader = new XmlTextReader(webRequest.GetResponse().GetResponseStream());
XmlDocument rssDoc = new XmlDocument();
// Load the XML content into a XmlDocument
rssDoc.Load(rssReader);
// Loop for the <rss> tag
XmlNode nodeRss = null;
for (int i = 0; i < rssDoc.ChildNodes.Count; i++) {
// If it is the rss tag
if (rssDoc.ChildNodes[i].Name == "rss") {
// <rss> tag found
nodeRss = rssDoc.ChildNodes[i];
}
}
if (nodeRss == null) {
LOG.Debug("No RSS Feed!");
return null;
}
// Loop for the <channel> tag
XmlNode nodeChannel = null;
for (int i = 0; i < nodeRss.ChildNodes.Count; i++) {
// If it is the channel tag
if (nodeRss.ChildNodes[i].Name == "channel") {
// <channel> tag found
nodeChannel = nodeRss.ChildNodes[i];
}
}
if (nodeChannel == null) {
LOG.Debug("No channel in RSS feed!");
return null;
}
Dictionary<string, Dictionary<string, SourceforgeFile>> rssFiles = new Dictionary<string, Dictionary<string, SourceforgeFile>>();
// Loop for the <title>, <link>, <description> and all the other tags
for (int i = 0; i < nodeChannel.ChildNodes.Count; i++) {
// If it is the item tag, then it has children tags which we will add as items to the ListView
if (nodeChannel.ChildNodes[i].Name == "item") {
XmlNode nodeItem = nodeChannel.ChildNodes[i];
string sfLink = nodeItem["link"].InnerText;
string pubdate = nodeItem["pubDate"].InnerText;
try {
Match match= Regex.Match(Uri.UnescapeDataString(sfLink), @"^http.*sourceforge.*\/projects\/([^\/]+)\/files\/([^\/]+)\/([^\/]+)\/(.+)\/download$");
if (match.Success) {
string project = match.Groups[1].Value;
string subdir = match.Groups[2].Value;
string type = match.Groups[3].Value;
string file = match.Groups[4].Value;
// !!! Change this to the mirror !!!
string mirror = "kent";
string directLink = Uri.EscapeUriString("http://"+mirror+".dl.sourceforge.net/project/"+project+"/"+subdir+"/"+type+"/"+file);
Dictionary<string, SourceforgeFile> filesForType;
if (rssFiles.ContainsKey(type)) {
filesForType = rssFiles[type];
} else {
filesForType = new Dictionary<string, SourceforgeFile>();
rssFiles.Add(type, filesForType);
}
SourceforgeFile rssFile = new SourceforgeFile(file, pubdate, sfLink, directLink);
if (file.EndsWith(".exe") ||file.EndsWith(".zip")) {
string version = Regex.Replace(file, ".*[a-zA-Z]-", "");
version = Regex.Replace(version, ".exe$", "");
version = Regex.Replace(version, ".zip$", "");
if (version.Trim().Length > 0) {
version = version.Replace('-','.');
version = version.Replace(',','.');
try {
rssFile.Version = new Version(version);
} catch (Exception) {
LOG.DebugFormat("Found invalid version {0} in file {1}", version, file);
}
}
}
if (type.Equals("Translations")) {
string culture = Regex.Replace(file, @"[a-zA-Z]+-(..-..)\.(xml|html)", "$1");
CultureInfo cultureInfo = new CultureInfo(culture);
rssFile.Language = cultureInfo.NativeName;
}
filesForType.Add(file, rssFile);
}
} catch (Exception ex) {
LOG.WarnFormat("Couldn't read RSS entry for: {0}", nodeChannel["title"].InnerText);
LOG.Warn("Reason: ", ex);
}
}
}
return rssFiles;
}
}
}