/// <summary>
/// Attempt to get SMTP server information. If no server is available or if information is invalid, then null will be returned.
/// </summary>
/// <returns>SmtpServer object if SMTP is configured. Returns null otherwise.</returns>
public static SmtpServer GetSmtpServer()
{
SmtpServer server = new SmtpServer();
try
{
server.ServerName = FoeClientRegistry.GetEntry("smtpserver").Value;
server.Port = Convert.ToInt32(FoeClientRegistry.GetEntry("smtpport").Value);
server.AuthRequired = ((FoeClientRegistry.GetEntry("smtpauthrequired").Value == "T") ? true : false);
if (server.AuthRequired)
{
server.SslEnabled = ((FoeClientRegistry.GetEntry("smtpsslenabled").Value == "T") ? true : false);
server.UserName = FoeClientRegistry.GetEntry("smtpusername").Value;
server.Password = FoeClientRegistry.GetEntry("smtppassword").Value;
}
}
catch (Exception)
{
// Invalid SMTP server configuration
//throw new Exception("Invalid SMTP server configurations.");
server = null;
}
return(server);
}
public static void SetPopServer(PopServer server)
{
FoeClientRegistry.SetEntry("popserver", server.ServerName);
FoeClientRegistry.SetEntry("popport", server.Port.ToString());
FoeClientRegistry.SetEntry("popsslenabled", (server.SslEnabled ? "T" : "F"));
FoeClientRegistry.SetEntry("popusername", server.UserName);
FoeClientRegistry.SetEntry("poppassword", server.Password);
}
public static bool IsUserRegistered()
{
FoeClientRegistryEntry reg = FoeClientRegistry.GetEntry("userid");
if ((reg != null) && (reg.Value != null) && (reg.Value.Length > 0))
{
return(true);
}
return(false);
}
public static void SetSmtpServer(SmtpServer server)
{
FoeClientRegistry.SetEntry("smtpserver", server.ServerName);
FoeClientRegistry.SetEntry("smtpport", server.Port.ToString());
FoeClientRegistry.SetEntry("smtpauthrequired", (server.AuthRequired ? "T" : "F"));
if (server.AuthRequired)
{
FoeClientRegistry.SetEntry("smtpsslenabled", (server.SslEnabled ? "T" : "F"));
FoeClientRegistry.SetEntry("smtpusername", server.UserName);
FoeClientRegistry.SetEntry("smtppassword", server.UserName);
}
}
public static void SendRegistration()
{
// Check if user's email is available
FoeClientRegistryEntry email = FoeClientRegistry.GetEntry("useremail");
if ((email == null) || (email.Value == null) || (email.Value.Length < 3))
{
// Invalid user email
return;
}
// Prepare message to send to server
FoeMessage message = new FoeMessage();
message.Add(new FoeMessageItem("UserEmail", email.Value));
// Get SMTP server configurations
SmtpServer server = null;
try
{
server = FoeClientMessage.GetSmtpServer();
}
catch (Exception except)
{
throw new Exception("Invalid SMTP configurations.\r\n" + except.ToString());
}
// Send email
try
{
string requestId = FoeClientRequest.GenerateId();
FoeClientMessage.SendMessage(
server,
email.Value,
FoeClientRegistry.GetEntry("processoremail").Value,
SubjectGenerator.RequestSubject(RequestType.Registration, requestId, "Newbie"),
message);
// Save request info
FoeClientRequestItem req = new FoeClientRequestItem();
req.Id = requestId;
req.Type = "reg";
req.DtRequested = DateTime.Now;
FoeClientRequest.Add(req);
}
catch (Exception except)
{
throw new Exception("Error sending message.\r\n" + except.ToString());
}
}
private static void ProcessRegistrationReply(string xml)
{
// Load the xml document
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
// Get user ID
XmlNode node = doc.GetElementsByTagName("UserId")[0];
string userId = node.InnerText;
// Save user ID
FoeClientRegistry.SetEntry("userid", userId);
}
/// <summary>
/// Attempt to get POP3 server configurations. If no POP3 is configured or if information is invalid, null will be returned.
/// </summary>
/// <returns>PopServer object if POP3 is configured. Returns null otherwise.</returns>
public static PopServer GetPopServer()
{
PopServer server = new PopServer();
try
{
server.ServerName = FoeClientRegistry.GetEntry("popserver").Value;
server.Port = Convert.ToInt32(FoeClientRegistry.GetEntry("popport").Value);
server.SslEnabled = ((FoeClientRegistry.GetEntry("popsslenabled").Value == "T") ? true : false);
server.UserName = FoeClientRegistry.GetEntry("popusername").Value;
server.Password = FoeClientRegistry.GetEntry("poppassword").Value;
}
catch (Exception)
{
// Invalid POP3 server configuration
//throw new Exception("Invalid POP3 server configurations.");
server = null;
}
return(server);
}
private static void ProcessRegistrationReply(string foe)
{
// Save user ID
FoeClientRegistry.SetEntry("userid", foe);
}
/// <summary>
/// Download and process email messages from the POP3 server.
/// </summary>
/// <param name="server">POP3 server information</param>
public static void DownloadMessages()
{
Trace.WriteLine("Entered DownloadMessages().");
// Get POP3 server info
PopServer server = GetPopServer();
Trace.WriteLine(" Retrieved POP server info.");
// connect to POP3 server and download messages
//FoeDebug.Print("Connecting to POP3 server...");
POPClient popClient = new POPClient();
popClient.IsUsingSsl = server.SslEnabled;
popClient.Disconnect();
popClient.Connect(server.ServerName, server.Port);
popClient.Authenticate(server.UserName, server.Password);
Trace.WriteLine(" Connected to POP3.");
// get mail count
int count = popClient.GetMessageCount();
Trace.WriteLine(" There are " + count.ToString() + " messages in inbox.");
// go through each message, from newest to oldest
for (int i = count; i >= 1; i -= 1)
{
Trace.WriteLine(" Opening message #" + i.ToString());
OpenPOP.MIMEParser.Message msg = popClient.GetMessage(i, true);
if (msg != null)
{
string subject = msg.Subject;
string fromEmail = msg.FromEmail;
Trace.WriteLine(" Message came from " + msg.FromEmail + " with subject \"" + msg.Subject + "\"");
// Check if fromEmail is the same as processor's email on file
if (fromEmail.ToLower() == FoeClientRegistry.GetEntry("processoremail").Value.ToLower())
{
Trace.WriteLine(" Message came from the processor.");
// parse subject line
string[] tokens = subject.Trim().Split(new char[] { ' ' });
// There should be 5 or 6 tokens
if (tokens.Length == 5)
{
Trace.WriteLine(" There are 5 tokens.");
// Get the request ID for this reply
string requestId = tokens[2];
// Check if request ID matches any request the client sent
FoeClientRequestItem req = FoeClientRequest.Get(requestId);
if (req != null)
{
Trace.WriteLine(" Message Request ID matched.");
// Found the matching request
// Download the full reply
OpenPOP.MIMEParser.Message wholeMsg = popClient.GetMessage(i, false);
string msgBody = (string)wholeMsg.MessageBody[0];
Trace.WriteLine(" Downloaded full message body.");
try
{
// decompress it
byte[] compressedMsg = Convert.FromBase64String(msgBody);
Trace.WriteLine(" Decoded Base64 message.");
byte[] decompressedMsg = CompressionManager.Decompress(compressedMsg);
Trace.WriteLine(" Decompressed message.");
string foe = Encoding.UTF8.GetString(decompressedMsg);
Trace.WriteLine(" Retrieved original FOE message.");
// Check what is the original request type
if (req.Type.ToLower() == "registe")
{
Trace.WriteLine(" Registration reply. Processing message.");
ProcessRegistrationReply(foe);
Trace.WriteLine(" Registration reply processed.");
}
else if (req.Type.ToLower() == "catalog")
{
Trace.WriteLine(" Catalog reply. Processing message.");
ProcessCatalogReply(foe);
Trace.WriteLine(" Catalog reply processed.");
}
else if (req.Type.ToLower() == "feed")
{
Trace.WriteLine(" feed reply. Processing message.");
ProcessCatalogReply(foe);
Trace.WriteLine(" feed reply processed.");
}
}
catch (Exception except)
{
// the message is likely malformed
// so just ignore it
Trace.WriteLine(" Exception detected: \r\n" + except.ToString());
}
}
else
{
Trace.WriteLine(" Message ID mismatched.");
}
}
//content request's reply
else if (tokens.Length == 6)
{
Trace.WriteLine(" There are 6 tokens.");
// Get the request ID for this reply
string catalog = tokens[1];
string requestId = tokens[3];
// Check if request ID matches any request the client sent
FoeClientRequestItem req = FoeClientRequest.Get(requestId);
if (req != null)
{
Trace.WriteLine(" Message Request ID matched.");
// Found the matching request
// Download the full reply
OpenPOP.MIMEParser.Message wholeMsg = popClient.GetMessage(i, false);
string msgBody = (string)wholeMsg.MessageBody[0];
Trace.WriteLine(" Downloaded full message body.");
try
{
byte[] compressed = Convert.FromBase64String(msgBody);
byte[] decompressed = CompressionManager.Decompress(compressed);
string foe = Encoding.UTF8.GetString(decompressed);
// Check what is the original request type
if (req.Type.ToLower() == "content")
{
Trace.WriteLine(" Content reply. Processing message.");
ProcessContentReply(catalog, foe);
Trace.WriteLine(" Content reply processed.");
}
}
catch (Exception except)
{
// the message is likely malformed
// so just ignore it
Trace.WriteLine(" Exception detected: \r\n" + except.ToString());
}
}
else
{
Trace.WriteLine(" Message ID mismatched.");
}
}
else
{
Trace.WriteLine(" Message does not have 5 tokens.");
}
}
else
{
Trace.WriteLine(" Message did not come from processor.");
}
}
// Delete the current message
popClient.DeleteMessage(i);
Trace.WriteLine(" Deleted current message in inbox.");
}
popClient.Disconnect();
Trace.WriteLine(" Disconnected from POP server.");
Trace.WriteLine(" Exiting DownloadMessages().");
}
/// <summary>
/// Download and process email messages from the POP3 server.
/// </summary>
/// <param name="server">POP3 server information</param>
public static void DownloadMessages()
{
// Get POP3 server info
PopServer server = GetPopServer();
// connect to POP3 server and download messages
//FoeDebug.Print("Connecting to POP3 server...");
POPClient popClient = new POPClient();
popClient.IsUsingSsl = server.SslEnabled;
popClient.Disconnect();
popClient.Connect(server.ServerName, server.Port);
popClient.Authenticate(server.UserName, server.Password);
FoeDebug.Print("Connected to POP3.");
// get mail count
int count = popClient.GetMessageCount();
// go through each message, from newest to oldest
for (int i = count; i >= 1; i -= 1)
{
OpenPOP.MIMEParser.Message msg = popClient.GetMessage(i, true);
if (msg != null)
{
string subject = msg.Subject;
string fromEmail = msg.FromEmail;
// Check if fromEmail is the same as processor's email on file
if (fromEmail.ToLower() == FoeClientRegistry.GetEntry("processoremail").Value.ToLower())
{
// parse subject line
string[] tokens = subject.Trim().Split(new char[] { ' ' });
// There should be 5 tokens
if (tokens.Length == 5)
{
// Get the request ID for this reply
string requestId = tokens[2];
// Check if request ID matches any request the client sent
FoeClientRequestItem req = FoeClientRequest.Get(requestId);
if (req != null)
{
// Found the matching request
// Download the full reply
OpenPOP.MIMEParser.Message wholeMsg = popClient.GetMessage(i, false);
string msgBody = (string)wholeMsg.MessageBody[0];
try
{
// decompress it
byte[] compressedMsg = Convert.FromBase64String(msgBody);
byte[] decompressedMsg = CompressionManager.Decompress(compressedMsg);
string foeXml = Encoding.UTF8.GetString(decompressedMsg);
// Check what is the original request type
if (req.Type.ToLower() == "reg")
{
ProcessRegistrationReply(foeXml);
}
else if (req.Type.ToLower() == "content")
{
ProcessContentReply(foeXml);
}
else if (req.Type.ToLower() == "catalog")
{
ProcessCatalogReply(foeXml);
}
}
catch (Exception)
{
// the message is likely malformed
// so just ignore it
}
}
}
}
}
// Delete the current message
popClient.DeleteMessage(i);
}
popClient.Disconnect();
}