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/*
Copyright (c) 2011-2012 - Tőkés Attila
This file is part of SmtpClient for Qt.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
See the LICENSE file for more details.
*/
#ifndef SMTPCLIENT_H
#define SMTPCLIENT_H
#include <QObject>
#include <QtNetwork/QSslSocket>
#include "mimemessage.h"
#include "smtpexports.h"
class SMTP_EXPORT SmtpClient : public QObject {
Q_OBJECT
public:
/* [0] Enumerations */
enum AuthMethod {
AuthPlain,
AuthLogin
};
enum SmtpError {
ConnectionTimeoutError,
ResponseTimeoutError,
SendDataTimeoutError,
AuthenticationFailedError,
ServerError, // 4xx smtp error
ClientError // 5xx smtp error
};
enum ConnectionType {
TcpConnection,
SslConnection,
TlsConnection // STARTTLS
};
/* [0] --- */
/* [1] Constructors and Destructors */
explicit SmtpClient(const QString &host = "localhost", int port = 25, ConnectionType ct = TcpConnection);
~SmtpClient() override;
/* [1] --- */
/* [2] Getters and Setters */
[[nodiscard]] const QString &getHost() const;
void setHost(const QString &host);
[[nodiscard]] int getPort() const;
void setPort(int port);
[[nodiscard]] const QString &getName() const;
void setName(const QString &name);
[[nodiscard]] ConnectionType getConnectionType() const;
void setConnectionType(ConnectionType ct);
[[nodiscard]] const QString &getUser() const;
void setUser(const QString &user);
[[nodiscard]] const QString &getPassword() const;
void setPassword(const QString &password);
[[nodiscard]] SmtpClient::AuthMethod getAuthMethod() const;
void setAuthMethod(AuthMethod method);
[[nodiscard]] const QString &getResponseText() const;
[[nodiscard]] int getResponseCode() const;
[[nodiscard]] int getConnectionTimeout() const;
void setConnectionTimeout(int msec);
[[nodiscard]] int getResponseTimeout() const;
void setResponseTimeout(int msec);
[[nodiscard]] int getSendMessageTimeout() const;
void setSendMessageTimeout(int msec);
QTcpSocket *getSocket();
/* [2] --- */
/* [3] Public methods */
bool connectToHost();
bool login();
bool login(const QString &user, const QString &password, AuthMethod method = AuthLogin);
bool sendMail(MimeMessage &email);
void quit();
/* [3] --- */
protected:
/* [4] Protected members */
QTcpSocket *socket;
QString host;
int port;
ConnectionType connectionType;
QString name;
QString user;
QString password;
AuthMethod authMethod;
int connectionTimeout;
int responseTimeout;
int sendMessageTimeout;
QString responseText;
int responseCode;
class ResponseTimeoutException : public std::exception {
};
class SendMessageTimeoutException : public std::exception {
};
/* [4] --- */
/* [5] Protected methods */
void waitForResponse();
void sendMessage(const QString &text);
/* [5] --- */
protected slots:
/* [6] Protected slots */
void socketStateChanged(QAbstractSocket::SocketState state);
void socketError(QAbstractSocket::SocketError error);
void socketReadyRead();
/* [6] --- */
signals:
/* [7] Signals */
void smtpError(SmtpClient::SmtpError e);
/* [7] --- */
};
#endif // SMTPCLIENT_H
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