private void SaveButton_Click(object sender, EventArgs e)
{
UpdateList lst = new UpdateList();
List <Update> updates = new List <Update>();
foreach (Update u in listBox1.Items)
{
updates.Add(u);
}
lst.Updates = updates.ToArray();
lst.SignedHash = "";
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(m_privateKey);
System.Xml.Serialization.XmlSerializer sr = new System.Xml.Serialization.XmlSerializer(typeof(UpdateList));
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
sr.Serialize(ms, lst);
ms.Position = 0;
lst.SignedHash = Convert.ToBase64String(rsa.SignData(ms, System.Security.Cryptography.SHA1.Create()));
}
using (System.IO.FileStream fs = new System.IO.FileStream(UpdateFile, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
sr.Serialize(fs, lst);
}
private void SaveButton_Click(object sender, EventArgs e)
{
UpdateList lst = new UpdateList();
List<Update> updates = new List<Update>();
foreach (Update u in listBox1.Items)
updates.Add(u);
lst.Updates = updates.ToArray();
lst.SignedHash = "";
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(m_privateKey);
System.Xml.Serialization.XmlSerializer sr = new System.Xml.Serialization.XmlSerializer(typeof(UpdateList));
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
sr.Serialize(ms, lst);
ms.Position = 0;
lst.SignedHash = Convert.ToBase64String(rsa.SignData(ms, System.Security.Cryptography.SHA1.Create()));
}
using (System.IO.FileStream fs = new System.IO.FileStream(UpdateFile, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
sr.Serialize(fs, lst);
}
private void UpdateAdministration_Load(object sender, EventArgs e)
{
if (!System.IO.File.Exists("releasekey.xml"))
{
if (MessageBox.Show("Signature key does not exist, create it?", Application.ProductName, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question) != DialogResult.Yes)
{
Application.Exit();
return;
}
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
using (System.IO.StreamWriter sw = new System.IO.StreamWriter("releasekey.xml", false))
sw.Write(rsa.ToXmlString(true));
}
using (System.IO.StreamReader rd = new System.IO.StreamReader("releasekey.xml"))
m_privateKey = rd.ReadToEnd();
List <Update> updates = new List <Update>();
System.Xml.Serialization.XmlSerializer sr = new System.Xml.Serialization.XmlSerializer(typeof(UpdateList));
UpdateList lst = null;
if (System.IO.File.Exists(UpdateFile))
{
using (System.IO.FileStream fs = new System.IO.FileStream(UpdateFile, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read))
lst = (UpdateList)sr.Deserialize(fs);
}
SortedList <string, string> applicationNames = new SortedList <string, string>();
SortedList <string, string> architectures = new SortedList <string, string>();
if (lst != null && lst.Updates != null)
{
foreach (Update u in lst.Updates)
{
listBox1.Items.Add(u);
if (!string.IsNullOrEmpty(u.ApplicationName))
{
applicationNames[u.ApplicationName.ToLower().Trim()] = u.ApplicationName;
}
if (!string.IsNullOrEmpty(u.Architecture))
{
architectures[u.Architecture.ToLower().Trim()] = u.Architecture;
}
}
}
foreach (string s in architectures.Values)
{
if (UpdateArchitecture.FindString(s) < 0)
{
UpdateArchitecture.Items.Add(s);
}
}
foreach (string s in applicationNames.Values)
{
if (UpdateApplication.FindString(s) < 0)
{
UpdateApplication.Items.Add(s);
}
}
}
/// <summary>
/// Initiates an syncronous check for updates
/// </summary>
/// <param name="force">A value indicating if the duration and user-enabled check should be bypassed</param>
public void CheckForUpdates(bool force)
{
try
{
if (m_config == null)
{
System.Xml.Serialization.XmlSerializer src = new System.Xml.Serialization.XmlSerializer(typeof(Config));
using (System.IO.FileStream fs = new System.IO.FileStream(m_configFile, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read))
m_config = (Config)src.Deserialize(fs);
}
//This throws an exception if somethings broken
m_config.CheckValid();
if (!m_config.Enabled && !force)
{
return;
}
if (m_lastCheck == null)
{
string file = m_config.ApplicationName + ".xml";
foreach (char c in System.IO.Path.GetInvalidFileNameChars())
{
file = file.Replace(c, '-');
}
file = System.IO.Path.Combine(System.IO.Path.Combine(System.Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "FreshKeeper"), file);
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(file)))
{
System.IO.Directory.CreateDirectory(System.IO.Path.GetDirectoryName(file));
}
if (System.IO.File.Exists(file))
{
System.Xml.Serialization.XmlSerializer srl = new System.Xml.Serialization.XmlSerializer(typeof(LastCheck));
using (System.IO.FileStream fs = new System.IO.FileStream(m_configFile, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read))
m_lastCheck = (LastCheck)srl.Deserialize(fs);
}
else
{
m_lastCheck = new LastCheck();
}
}
if (Duplicati.Library.Core.Timeparser.ParseTimeInterval(m_config.CheckInterval, m_lastCheck.Time) > DateTime.Now)
{
return;
}
Random r = new Random();
string url = m_config.Urls[r.Next(0, m_config.Urls.Length)];
System.Net.WebClient wc = new System.Net.WebClient();
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
doc.PreserveWhitespace = true; //Make sure we don't alter the document
using (System.IO.MemoryStream ms = new System.IO.MemoryStream(wc.DownloadData(url)))
doc.Load(ms);
string hash = doc["UpdateList"].Attributes["SignedHash"].Value;
doc["UpdateList"].Attributes["SignedHash"].Value = "";
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(m_config.PublicKey);
UpdateList lst = null;
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
doc.Save(ms);
if (!rsa.VerifyData(ms.ToArray(), System.Security.Cryptography.CryptoConfig.MapNameToOID("SHA1"), Convert.FromBase64String(hash)))
{
throw new Exception("Failed to verify signature");
}
ms.Position = 0;
System.Xml.Serialization.XmlSerializer sr = new System.Xml.Serialization.XmlSerializer(typeof(UpdateList));
lst = (UpdateList)sr.Deserialize(ms);
lst.SignedHash = hash;
}
if (lst == null || lst.Updates == null || lst.Updates.Length == 0)
{
return;
}
Update newest = lst.Updates[0];
foreach (Update u in lst.Updates)
{
if (u.Version > newest.Version && (!u.BugfixUpdate || (u.BugfixUpdate && m_config.NotifyOnRevisionChange)))
{
newest = u;
}
}
if (newest.Version > m_config.LocalVersion)
{
if (Updateavailable != null)
{
Updateavailable(this, newest);
}
}
}
catch (Exception ex)
{
RaiseErrorEvent(ex);
return;
}
}
