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); }
/// <summary> /// Download email messages from the POP3 server for a given Foe message processor. /// </summary> /// <param name="server">POP3 server information</param> /// <param name="processorEmail">The current Foe message processor's email address.</param> public static void DownloadMessages(PopServer server, string processorEmail) { // 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(); FoeDebug.Print("Server reported " + count.ToString() + " messages."); // go through each message, from newest to oldest for (int i = count; i >= 1; i -= 1) { //FoeDebug.Print("Opening mail message..."); OpenPOP.MIMEParser.Message msg = popClient.GetMessage(i, true); if (msg != null) { // Get subject and verify sender identity // Subject line in the mail header should look like one of the followings: // // Normal request (for news feed and content): // Subject: Request <Request ID> by <User ID> // // Registration request: // Subject: Register <Request ID> by Newbie // // where: // Request ID is the request ID generated by the Foe client // User ID is the user's ID as assigned by the server //FoeDebug.Print("Message is not null. Getting message details."); string subject = msg.Subject; string fromEmail = msg.FromEmail; //FoeDebug.Print("Subject: " + subject); //FoeDebug.Print("From: " + fromEmail); // parse subject line string[] tokens = subject.Trim().Split(new char[] { ' ' }); if (tokens.Length == 4) { // check what type of request is it string requestType = tokens[0].ToUpper(); string requestId = tokens[1]; string userId = tokens[3]; FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "subject: " + subject + "requestType: "+ requestType); if (requestType.ToUpper().CompareTo("REGISTE") == 0) { //FoeDebug.Print("This is a registration message."); // It's a registration request SaveRegistrationRequest(requestId, fromEmail, processorEmail); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "Received registration request from " + fromEmail); } else if (requestType.ToUpper().CompareTo("CATALOG") == 0) { // get user info by email address FoeUser user = FoeServerUser.GetUser(fromEmail); // verify user's email against the user ID if ((user != null) && (userId == user.UserId) && (processorEmail == user.ProcessorEmail)) { FoeDebug.Print("User verified."); // the user's identity is verified SaveCatalogRequest(requestId, user.Email, processorEmail); } else { //FoeDebug.Print("User is not registered. Request not processed."); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Warning, "Received content request from unregistered user " + fromEmail); } } else if (requestType.ToUpper().CompareTo("CONTENT") == 0) { //FoeDebug.Print("This is a content request message."); // It's a content request. // We need to verify the user's identify first. //FoeDebug.Print("Verifying user identity..."); // get user info by email address FoeUser user = FoeServerUser.GetUser(fromEmail); // verify user's email against the user ID if ((user != null) && (userId == user.UserId) && (processorEmail == user.ProcessorEmail)) { FoeDebug.Print("User verified."); // the user's identity is verified // get the full message body 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 foe = Encoding.UTF8.GetString(decompressedMsg); string[] catalogs = foe.Trim().Split(new char[] { ',' }); // save request if (catalogs.Length == 0) { return; } SaveContentRequest(requestId, user.Email, catalogs, processorEmail); //FoeDebug.Print("Request saved and pending processing."); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "Received content request from verified user " + fromEmail); } catch (Exception except) { // the message is likely malformed // so just ignore it FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Warning, "Received malformed content request from verified user " + fromEmail + "\r\n" + except.ToString() + "Raw message:\r\n" + msgBody + "\r\n"); //throw except; } } else { //FoeDebug.Print("User is not registered. Request not processed."); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Warning, "Received content request from unregistered user " + fromEmail); } } else if (requestType.ToUpper().CompareTo("FEED") == 0) { //FoeDebug.Print("This is a content request message."); // It's a content request. // We need to verify the user's identify first. //FoeDebug.Print("Verifying user identity..."); // get user info by email address FoeUser user = FoeServerUser.GetUser(fromEmail); // verify user's email against the user ID if ((user != null) && (userId == user.UserId) && (processorEmail == user.ProcessorEmail)) { FoeDebug.Print("User verified."); // the user's identity is verified // get the full message body 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 foe = Encoding.UTF8.GetString(decompressedMsg); string[] array = foe.Trim().Split(new char[] { ',' }); // save request if (array.Length == 0) { return; } SaveFeedRequest(requestId, user.Email, array, processorEmail); //FoeDebug.Print("Request saved and pending processing."); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "Received feed request from verified user " + fromEmail); } catch (Exception except) { // the message is likely malformed // so just ignore it FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Warning, "Received malformed feed request from verified user " + fromEmail + "\r\n" + except.ToString() + "Raw message:\r\n" + msgBody + "\r\n"); //throw except; } } else { //FoeDebug.Print("User is not registered. Request not processed."); FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Warning, "Received content request from unregistered user " + fromEmail); } } else { // Non-Foe message FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "Received non-Foe message from " + fromEmail); } } else { // Non-Foe message FoeServerLog.Add(_className + ".DownloadMessages", FoeServerLog.LogType.Message, "Received non-Foe message from " + fromEmail); } // Delete the current message popClient.DeleteMessage(i); } } popClient.Disconnect(); }
/// <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; }
public static PopServer GetDefaultPopServer() { PopServer server = new PopServer(); server.ServerName = FoeServerRegistry.Get("PopServerName"); server.Port = Convert.ToInt32(FoeServerRegistry.Get("PopPort")); server.SslEnabled = (FoeServerRegistry.Get("PopSslEnabled").ToUpper().CompareTo("T") == 0); server.UserName = FoeServerRegistry.Get("PopUserName"); server.Password = FoeServerRegistry.Get("PopPassword"); return server; }