File indexing completed on 2024-05-05 16:20:04

 /*
     SPDX-FileCopyrightText: 2000 Bernd Johannes Wuebben <wuebben@math.cornell.edu>
     SPDX-FileCopyrightText: 2000 Stephan Kulow <coolo@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef SMTP_H
 #define SMTP_H
 
 #include <QObject>
 #include <QTcpSocket>
 #include <QTimer>
 
 /*int SMTPServerStatus[] = {
     220,  // greeting from server
     221,  // server acknolages goodbye
     250,  // command successful
     354,  // ready to receive data
     501,  // error
     550,  // user unknown
     0     // null
 };
 
 int SMTPClientStatus[] = {
     50,   // not logged in yet.
     100,  // logged in, got 220
     150,  // sent helo, got 250
     200,  // sent mail from, got 250
     250,  // sent rctp to, got 250
     300,  // data sent, got 354
     350,  // sent data/., got 250
     400,  // send quit, got 221
     450,  // finished, logged out
     0     // null
 };
 */
 
 #define DEFAULT_SMTP_PORT 25
 #define DEFAULT_SMTP_SERVER localhost
 #define DEFAULT_SMTP_TIMEOUT 60
 
 #define SMTP_READ_BUFFER_SIZE 256
 
 class SMTP : public QObject
 {
     Q_OBJECT
 public:
     explicit SMTP(char *serverhost = nullptr, unsigned short int port = 0, int timeout = DEFAULT_SMTP_TIMEOUT);
     ~SMTP() override;
 
     void setServerHost(const QString &serverhost);
     void setPort(unsigned short int port);
     void setTimeOut(int timeout);
 
     bool isConnected() const
     {
         return connected;
     }
     bool isFinished() const
     {
         return finished;
     }
     QByteArray getLastLine() const
     {
         return lastLine;
     }
 
     void setSenderAddress(const QString &sender);
     void setRecipientAddress(const QString &recipient);
     void setMessageSubject(const QString &subject);
     void setMessageBody(const QString &message);
     void setMessageHeader(const QString &header);
 
     typedef enum {
         None = 0, // null
         Greet = 220, // greeting from server
         Goodbye = 221, // server acknolages quit
         Successful = 250, // command successful
         ReadyData = 354, // server ready to receive data
         Error = 501, // error
         Unknown = 550, // user unknown
     } SMTPServerStatus;
 
     typedef enum {
         Init = 50, // not logged in yet
         In = 100, // logged in, got 220
         Ready = 150, // sent HELO, got 250
         SentFrom = 200, // sent MAIL FROM:, got 250
         SentTo = 250, // sent RCTP TO:, got 250
         Data = 300, // Data sent, got 354
         Finished = 350, // finished sending data, got 250
         Quit = 400, // sent Quit, got 221
         Out = 450, // finished, logged out
         CError = 500, // didn't finish, had error or connection drop
     } SMTPClientStatus;
 
     typedef enum {
         NoError = 0,
         ConnectError = 10,
         NotConnected = 11,
         ConnectTimeout = 15,
         InteractTimeout = 16,
         UnknownResponse = 20,
         UnknownUser = 30,
         Command = 40,
     } SMTPError;
 
 protected:
     void processLine(QByteArray *line);
 
 public Q_SLOTS:
     void openConnection();
     void sendMessage();
     void closeConnection();
 
     void connectTimerTick();
     void connectTimedOut();
     void interactTimedOut();
 
     void socketReadyToRead();
     void socketClosed();
     void socketError(QAbstractSocket::SocketError);
 
 Q_SIGNALS:
     void connectionClosed();
     void messageSent();
     void error(int);
 
 private:
     QString serverHost;
     unsigned short int hostPort;
     int timeOut;
 
     bool connected;
     bool finished;
 
     QString senderAddress;
     QString recipientAddress;
     QString messageSubject;
     QString messageBody, messageHeader;
 
     SMTPClientStatus state;
     SMTPClientStatus lastState;
     SMTPServerStatus serverState;
 
     QString domainName;
 
     QTcpSocket *sock;
     QTimer connectTimer;
     QTimer timeOutTimer;
     QTimer interactTimer;
 
     char readBuffer[SMTP_READ_BUFFER_SIZE];
     QByteArray lineBuffer;
     QByteArray lastLine;
     QString writeString;
 };
 #endif