public DatabaseConnection()
{
try
{
Core core = new Core(Server.passphrase, false);
connectionstring = String.Format("server={0};uid={1};pwd={2};database={3}", core.GetXmlNodeInnerText("server"), core.GetXmlNodeInnerText("uid"), core.GetXmlNodeInnerText("pwd"), core.GetXmlNodeInnerText("dbase"));
conn = new MySqlConnection(connectionstring);
conn.Open();
}
catch (Exception e)
{
Console.WriteLine("Exception: " + e.Message);
throw e;
}
}
/*private void GetCertificate(String domainName)
{
//String cert = rootServer.GetCertificate(domainName);
//String[] certFields = cert.Split(',');
//Console.WriteLine(cert);
byte[] rawCertData = rootServer.GetCertificate(domainName);
if (rawCertData != null)
{
Certificate.OpenCertificate();
Certificate.AddCertificate(rawCertData);
//Console.WriteLine(Convert.ToBase64String(rawCertData));
Console.WriteLine("Certificate has been downloaded successfully.");
}
}*/
static void Main(string[] args)
{
RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile, false);
ServerObject serverobj = new ServerObject();
//serverobj.KeyObt("*****@*****.**", DateTime.Now);
Console.Write("Enter passphrase: ");
passphrase = Console.ReadLine();
passphrase.Trim();
Core core = new Core(passphrase);
core.ReadSettingsFile();
Server server = new Server();
server.Connect(core.GetXmlNodeInnerText("root_server"));
DatabaseConnection connection = new DatabaseConnection();
String publicKey = core.PublicKey;
String dbPublicKey = connection.getPublicKey("server");
connection.close();
StreamWriter writer = new StreamWriter(core.ActionLogFile, true);
if (publicKey != dbPublicKey)
{
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server's old public key:");
writer.WriteLine();
writer.WriteLine(dbPublicKey);
writer.WriteLine();
//connection = new DatabaseConnection();
//connection.setPublicKey("server", "server", publicKey);
connection.updatePublicKey("server", "server", publicKey);
Console.Write(DateTime.Now.ToString() + Core.space);
Console.WriteLine("New key pair is set.");
}
connection.close();
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server's public key:");
writer.WriteLine();
writer.WriteLine(publicKey);
writer.WriteLine();
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server started");
writer.Close();
Console.Write(DateTime.Now.ToString() + Core.space);
Console.WriteLine("PractiSES Server started.");
HttpServerChannel channel = new HttpServerChannel(80);
ChannelServices.RegisterChannel(channel,false);
RemotingConfiguration.RegisterWellKnownServiceType(
typeof(PractiSES.ServerObject),
"PractiSES",
WellKnownObjectMode.SingleCall);
System.Console.ReadLine();
}
/*private void GetCertificate(String domainName)
* {
* //String cert = rootServer.GetCertificate(domainName);
* //String[] certFields = cert.Split(',');
* //Console.WriteLine(cert);
* byte[] rawCertData = rootServer.GetCertificate(domainName);
* if (rawCertData != null)
* {
* Certificate.OpenCertificate();
* Certificate.AddCertificate(rawCertData);
* //Console.WriteLine(Convert.ToBase64String(rawCertData));
* Console.WriteLine("Certificate has been downloaded successfully.");
* }
* }*/
static void Main(string[] args)
{
RemotingConfiguration.Configure(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile, false);
ServerObject serverobj = new ServerObject();
//serverobj.KeyObt("*****@*****.**", DateTime.Now);
Console.Write("Enter passphrase: ");
passphrase = Console.ReadLine();
passphrase.Trim();
Core core = new Core(passphrase);
core.ReadSettingsFile();
Server server = new Server();
server.Connect(core.GetXmlNodeInnerText("root_server"));
DatabaseConnection connection = new DatabaseConnection();
String publicKey = core.PublicKey;
String dbPublicKey = connection.getPublicKey("server");
connection.close();
StreamWriter writer = new StreamWriter(core.ActionLogFile, true);
if (publicKey != dbPublicKey)
{
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server's old public key:");
writer.WriteLine();
writer.WriteLine(dbPublicKey);
writer.WriteLine();
//connection = new DatabaseConnection();
//connection.setPublicKey("server", "server", publicKey);
connection.updatePublicKey("server", "server", publicKey);
Console.Write(DateTime.Now.ToString() + Core.space);
Console.WriteLine("New key pair is set.");
}
connection.close();
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server's public key:");
writer.WriteLine();
writer.WriteLine(publicKey);
writer.WriteLine();
writer.Write(DateTime.Now.ToString() + Core.space);
writer.WriteLine("Server started");
writer.Close();
Console.Write(DateTime.Now.ToString() + Core.space);
Console.WriteLine("PractiSES Server started.");
HttpServerChannel channel = new HttpServerChannel(80);
ChannelServices.RegisterChannel(channel, false);
RemotingConfiguration.RegisterWellKnownServiceType(
typeof(PractiSES.ServerObject),
"PractiSES",
WellKnownObjectMode.SingleCall);
System.Console.ReadLine();
}
public String KeyObt(String email, DateTime date) //get public key of a user ( complete )
{
ActionLog_Write(email + ": KeyObt");
Console.WriteLine(beginProtocol);
Console.WriteLine(email + ": KeyObt");
int index = email.IndexOf('@');
String domainName = email.Substring(index, email.Length - index);
String publicKey = null;
Core core = new Core(Server.passphrase);
if (core.GetXmlNodeInnerText("domain") == domainName)
{
DatabaseConnection connection = new DatabaseConnection();
publicKey = connection.getPublicKey(email, date);
connection.close();
}
else
{
byte[] rawCertData = Certificate.SearchCertificate(domainName);
if (rawCertData == null)
{
if (ConnectRootServer(core.GetXmlNodeInnerText("root_server")))
{
if (GetCertificate(domainName))
{
rawCertData = Certificate.SearchCertificate(domainName);
}
}
}
byte[] foreignServerCertPK = Certificate.GetPublicKey(rawCertData);
String foreignServerXmlPK = Crypto.CertToXMLKey(foreignServerCertPK);
Console.WriteLine("Public key of " + domainName + ":\n" + foreignServerXmlPK);
String foreignServerHost = Certificate.GetHostName(rawCertData);
ActionLog_Write("Connecting to foreign PractiSES server (" + foreignServerHost + ")...");
Console.WriteLine("Connecting to foreign PractiSES server ({0})...", foreignServerHost);
IServer foreignServer = (IServer)Activator.GetObject(typeof(IServer), "http://" + foreignServerHost + "/PractiSES");
String signedPublicKey = foreignServer.KeyObt(email, date);
if (signedPublicKey != null)
{
Message foreignmessage = new Message(signedPublicKey);
//****************
if (foreignmessage.Verify(foreignServerXmlPK))
{
publicKey = foreignmessage.getCleartext();
}
//****************
}
}
if (publicKey == null)
{
ActionLog_Write("Error - " + email + ": Email does not exist!");
Console.WriteLine("Error - " + email + ": Email does not exist!");
throw new Exception("Invalid user");
}
Message message = new Message(publicKey);
message.AddComment("Email", email);
message.Sign(core.PrivateKey);
String result = message.ToString();
return(result);
}
public DatabaseConnection()
{
try
{
Core core = new Core(Server.passphrase, false);
connectionstring = String.Format("server={0};uid={1};pwd={2};database={3}", core.GetXmlNodeInnerText("server"), core.GetXmlNodeInnerText("uid"), core.GetXmlNodeInnerText("pwd"), core.GetXmlNodeInnerText("dbase"));
conn = new MySqlConnection(connectionstring);
conn.Open();
}
catch (Exception e)
{
Console.WriteLine("Exception: " + e.Message);
throw e;
}
}
//get public key of a user ( complete )
public String KeyObt(String email, DateTime date)
{
ActionLog_Write(email + ": KeyObt");
Console.WriteLine(beginProtocol);
Console.WriteLine(email + ": KeyObt");
int index = email.IndexOf('@');
String domainName = email.Substring(index, email.Length - index);
String publicKey = null;
Core core = new Core(Server.passphrase);
if (core.GetXmlNodeInnerText("domain") == domainName)
{
DatabaseConnection connection = new DatabaseConnection();
publicKey = connection.getPublicKey(email, date);
connection.close();
}
else
{
byte[] rawCertData = Certificate.SearchCertificate(domainName);
if (rawCertData == null)
{
if (ConnectRootServer(core.GetXmlNodeInnerText("root_server")))
{
if (GetCertificate(domainName))
{
rawCertData = Certificate.SearchCertificate(domainName);
}
}
}
byte[] foreignServerCertPK = Certificate.GetPublicKey(rawCertData);
String foreignServerXmlPK = Crypto.CertToXMLKey(foreignServerCertPK);
Console.WriteLine("Public key of " + domainName + ":\n" + foreignServerXmlPK);
String foreignServerHost = Certificate.GetHostName(rawCertData);
ActionLog_Write("Connecting to foreign PractiSES server (" + foreignServerHost + ")...");
Console.WriteLine("Connecting to foreign PractiSES server ({0})...", foreignServerHost);
IServer foreignServer = (IServer)Activator.GetObject(typeof(IServer), "http://" + foreignServerHost + "/PractiSES");
String signedPublicKey = foreignServer.KeyObt(email, date);
if (signedPublicKey != null)
{
Message foreignmessage = new Message(signedPublicKey);
//****************
if (foreignmessage.Verify(foreignServerXmlPK))
{
publicKey = foreignmessage.getCleartext();
}
//****************
}
}
if (publicKey == null)
{
ActionLog_Write("Error - " + email + ": Email does not exist!");
Console.WriteLine("Error - " + email + ": Email does not exist!");
throw new Exception("Invalid user");
}
Message message = new Message(publicKey);
message.AddComment("Email",email);
message.Sign(core.PrivateKey);
String result = message.ToString();
return result;
}
