More work

* Refactored code out of common/ into servatrice/
 * added smtp client library
 * disable registration when connected
 * validate email address
 * send activation token via email

servatrice/CMakeLists.txt

@@ -15,6 +15,18 @@ SET(servatrice_SOURCES
     src/settingscache.cpp
     src/isl_interface.cpp
     ${VERSION_STRING_CPP}
+    src/smtp/emailaddress.cpp
+    src/smtp/mimeattachment.cpp
+    src/smtp/mimecontentformatter.cpp
+    src/smtp/mimefile.cpp
+    src/smtp/mimehtml.cpp
+    src/smtp/mimeinlinefile.cpp
+    src/smtp/mimemessage.cpp
+    src/smtp/mimemultipart.cpp
+    src/smtp/mimepart.cpp
+    src/smtp/mimetext.cpp
+    src/smtp/quotedprintable.cpp
+    src/smtp/smtpclient.cpp
 )
 
 set(servatrice_RESOURCES servatrice.qrc)

servatrice/servatrice.ini.example

@@ -65,6 +65,39 @@ regonly=0
 ; to get their account activated. Default true.
 ;requireemail=true
 
+[smtp]
+
+; Connectin type: currently supported method are "tcp", "ssl" and "tls"
+connection=tcp
+
+; Auth type: currently supported method are "plain" and "login"
+auth=plain
+
+; Hostname or IP addres of the smtp server
+host=localhost
+
+; Smtp port number of the smtp server. Usual values are 25 or 587 for tcp, 465 for ssl
+port=25
+
+; Username: this typically matches the "from" email address
+username=root@localhost
+
+; Password for the username
+password=foobar
+
+; Sender email address: the "from" email address
+email=root@localhost
+
+; Sender email name
+name="Cockatrice server"
+
+; Email subject
+subject="Cockatrice server account activation token"
+
+; Email body. You can use these tags here: %username %token
+; They will be substituted with the actual values in the email
+; 
+body="Hi %username, thank our for registering on our Cockatrice server\r\nHere's the activation token you need to supply for activatin your account:\r\n\r\n%token\r\n\r\nHappy gaming!"
 
 [database]
 

servatrice/src/servatrice.cpp

@@ -160,8 +160,8 @@ bool Servatrice::initServer()
         authenticationMethod = AuthenticationNone;
     }
 
-    registrationEnabled = settingsCache->value("registration/enabled", false).toBool();
-    requireEmailForRegistration = settingsCache->value("registration/requireemail", true).toBool();
+    bool registrationEnabled = settingsCache->value("registration/enabled", false).toBool();
+    bool requireEmailForRegistration = settingsCache->value("registration/requireemail", true).toBool();
 
     qDebug() << "Registration enabled: " << registrationEnabled;
     if (registrationEnabled)

servatrice/src/servatrice_database_interface.cpp

@@ -111,13 +111,13 @@ bool Servatrice_DatabaseInterface::getRequireRegistration()
     return settingsCache->value("authentication/regonly", 0).toBool();
 }
 
-bool Servatrice_DatabaseInterface::registerUser(const QString &userName, const QString &realName, ServerInfo_User_Gender const &gender, const QString &password, const QString &emailAddress, const QString &country, bool active)
+bool Servatrice_DatabaseInterface::registerUser(const QString &userName, const QString &realName, ServerInfo_User_Gender const &gender, const QString &password, const QString &emailAddress, const QString &country, QString &token, bool active)
 {
     if (!checkSql())
         return false;
 
     QString passwordSha512 = PasswordHasher::computeHash(password, PasswordHasher::generateRandomSalt());
-    QString token = PasswordHasher::generateActivationToken();
+    token = active ? QString() : PasswordHasher::generateActivationToken();
 
     QSqlQuery *query = prepareQuery("insert into {prefix}_users "
             "(name, realname, gender, password_sha512, email, country, registrationDate, active, token) "

servatrice/src/servatrice_database_interface.h

@@ -25,9 +25,7 @@ private:
 	bool checkUserIsNameBanned(QString const &userName, QString &banReason, int &banSecondsRemaining);
 	QChar getGenderChar(ServerInfo_User_Gender const &gender);
 protected:
-	bool usernameIsValid(const QString &user);
 	AuthenticationResult checkUserPassword(Server_ProtocolHandler *handler, const QString &user, const QString &password, QString &reasonStr, int &secondsLeft);
-	bool checkUserIsBanned(const QString &ipAddress, const QString &userName, QString &banReason, int &banSecondsRemaining);
 public slots:
 	void initDatabase(const QSqlDatabase &_sqlDatabase);
 public:
@@ -62,9 +60,11 @@ public:
 	void lockSessionTables();
 	void unlockSessionTables();
 	bool userSessionExists(const QString &userName);
+	bool usernameIsValid(const QString &user);
+	bool checkUserIsBanned(const QString &ipAddress, const QString &userName, QString &banReason, int &banSecondsRemaining);
 
 	bool getRequireRegistration();
-	bool registerUser(const QString &userName, const QString &realName, ServerInfo_User_Gender const &gender, const QString &password, const QString &emailAddress, const QString &country, bool active = false);
+	bool registerUser(const QString &userName, const QString &realName, ServerInfo_User_Gender const &gender, const QString &password, const QString &emailAddress, const QString &country, QString &token, bool active = false);
 	bool activateUser(const QString &userName, const QString &token);
 
     void logMessage(const int senderId, const QString &senderName, const QString &senderIp, const QString &logMessage, LogMessage_TargetType targetType, const int targetId, const QString &targetName);

servatrice/src/serversocketinterface.cpp

@@ -51,12 +51,15 @@
 #include "pb/response_deck_list.pb.h"
 #include "pb/response_deck_download.pb.h"
 #include "pb/response_deck_upload.pb.h"
+#include "pb/response_register.pb.h"
 #include "pb/response_replay_list.pb.h"
 #include "pb/response_replay_download.pb.h"
 #include "pb/serverinfo_replay.pb.h"
 #include "pb/serverinfo_user.pb.h"
 #include "pb/serverinfo_deckstorage.pb.h"
 
+#include "smtp/SmtpMime"
+
 #include "version_string.h"
 #include <string>
 #include <iostream>
@@ -267,6 +270,8 @@ Response::ResponseCode ServerSocketInterface::processExtendedSessionCommand(int
         case SessionCommand::REPLAY_DOWNLOAD: return cmdReplayDownload(cmd.GetExtension(Command_ReplayDownload::ext), rc);
         case SessionCommand::REPLAY_MODIFY_MATCH: return cmdReplayModifyMatch(cmd.GetExtension(Command_ReplayModifyMatch::ext), rc);
         case SessionCommand::REPLAY_DELETE_MATCH: return cmdReplayDeleteMatch(cmd.GetExtension(Command_ReplayDeleteMatch::ext), rc);
+        case SessionCommand::REGISTER: return cmdRegisterAccount(cmd.GetExtension(Command_Register::ext), rc); break;
+        case SessionCommand::ACTIVATE: return cmdActivateAccount(cmd.GetExtension(Command_Activate::ext), rc); break;
         default: return Response::RespFunctionNotAllowed;
     }
 }
@@ -764,6 +769,179 @@ Response::ResponseCode ServerSocketInterface::cmdBanFromServer(const Command_Ban
     return Response::RespOk;
 }
 
+Response::ResponseCode ServerSocketInterface::cmdRegisterAccount(const Command_Register &cmd, ResponseContainer &rc)
+{
+    QString userName = QString::fromStdString(cmd.user_name());
+    qDebug() << "Got register command: " << userName;
+
+    bool registrationEnabled = settingsCache->value("registration/enabled", false).toBool();
+    if (!registrationEnabled)
+        return Response::RespRegistrationDisabled;
+
+    QString emailAddress = QString::fromStdString(cmd.email());
+    bool requireEmailForRegistration = settingsCache->value("registration/requireemail", true).toBool();
+    if (requireEmailForRegistration)
+    {
+        QRegExp rx("\\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}\\b");
+        if(emailAddress.isEmpty() || !rx.exactMatch(emailAddress))
+            return Response::RespEmailRequiredToRegister;
+    }
+
+    // TODO: Move this method outside of the db interface
+    if (!sqlInterface->usernameIsValid(userName))
+        return Response::RespUsernameInvalid;
+
+    if(sqlInterface->userExists(userName))
+        return Response::RespUserAlreadyExists;
+
+    QString banReason;
+    int banSecondsRemaining;
+    if (sqlInterface->checkUserIsBanned(this->getAddress(), userName, banReason, banSecondsRemaining))
+    {
+        Response_Register *re = new Response_Register;
+        re->set_denied_reason_str(banReason.toStdString());
+        if (banSecondsRemaining != 0)
+            re->set_denied_end_time(QDateTime::currentDateTime().addSecs(banSecondsRemaining).toTime_t());
+        rc.setResponseExtension(re);
+        return Response::RespUserIsBanned;
+    }
+
+    if (tooManyRegistrationAttempts(this->getAddress()))
+        return Response::RespTooManyRequests;
+
+    QString realName = QString::fromStdString(cmd.real_name());
+    ServerInfo_User_Gender gender = cmd.gender();
+    QString country = QString::fromStdString(cmd.country());
+    QString password = QString::fromStdString(cmd.password());
+
+    // TODO make this configurable?
+    if(password.length() < 6)
+        return Response::RespPasswordTooShort;
+
+    QString token;
+    bool regSucceeded = sqlInterface->registerUser(userName, realName, gender, password, emailAddress, country, token, !requireEmailForRegistration);
+
+    if(regSucceeded)
+    {
+        qDebug() << "Accepted register command for user: " << userName;
+        if(requireEmailForRegistration)
+        {
+            // TODO call a slot on another thread to send email
+            sendActivationTokenMail(userName, emailAddress, token);
+            return Response::RespRegistrationAcceptedNeedsActivation;
+        } else {
+            return Response::RespRegistrationAccepted;
+        }
+    } else {
+        return Response::RespRegistrationFailed;
+    }
+}
+
+bool ServerSocketInterface::sendActivationTokenMail(const QString &nickname, const QString &recipient, const QString &token)
+{
+    QString tmp = settingsCache->value("smtp/connection", "tcp").toString();
+    SmtpClient::ConnectionType connection = SmtpClient::TcpConnection;
+    if(tmp == "ssl")
+        connection = SmtpClient::SslConnection;
+    else if(tmp == "tls")
+        connection = SmtpClient::TlsConnection;
+
+    tmp = settingsCache->value("smtp/auth", "plain").toString();
+    SmtpClient::AuthMethod auth = SmtpClient::AuthPlain;
+    if(tmp == "login")
+        auth = SmtpClient::AuthLogin;
+
+    QString host = settingsCache->value("smtp/host", "localhost").toString();
+    int port = settingsCache->value("smtp/port", 25).toInt();
+    QString username = settingsCache->value("smtp/username", "").toString();
+    QString password = settingsCache->value("smtp/password", "").toString();
+    QString email = settingsCache->value("smtp/email", "").toString();
+    QString name = settingsCache->value("smtp/name", "").toString();
+    QString subject = settingsCache->value("smtp/subject", "").toString();
+    QString body = settingsCache->value("smtp/body", "").toString();
+
+    if(email.isEmpty())
+    {
+        qDebug() << "[MAIL] Missing email field" << endl;
+        return false;
+    }
+    if(body.isEmpty())
+    {
+        qDebug() << "[MAIL] Missing body field" << endl;
+        return false;
+    }
+    if(recipient.isEmpty())
+    {
+        qDebug() << "[MAIL] Missing recipient field" << endl;
+        return false;
+    }
+    if(token.isEmpty())
+    {
+        qDebug() << "[MAIL] Missing token field" << endl;
+        return false;
+    }
+
+    SmtpClient smtp(host, port, connection);
+    smtp.setUser(username);
+    smtp.setPassword(password);
+    smtp.setAuthMethod(auth);
+
+    MimeMessage message;
+    EmailAddress sender(email, name);
+    message.setSender(&sender);
+    EmailAddress to(recipient, nickname);
+    message.addRecipient(&to);
+    message.setSubject(subject);
+
+    MimeText text;
+    text.setText(body.replace("%username", nickname).replace("%token", token));
+    message.addPart(&text);
+
+    // Now we can send the mail
+
+    if (!smtp.connectToHost()) {
+        qDebug() << "[MAIL] Failed to connect to host" << host << "on port" << port;
+        return false;
+    }
+
+    if (!smtp.login()) {
+        qDebug() << "[MAIL] Failed to login as " << username;
+        return false;
+    }
+
+    if (!smtp.sendMail(message)) {
+        qDebug() << "[MAIL] Failed to send mail to " << recipient;
+        return false;
+    }
+
+    smtp.quit();
+    qDebug() << "[MAIL] Sent activation email to " << recipient << " for nickname " << nickname;
+    return true;
+}
+
+bool ServerSocketInterface::tooManyRegistrationAttempts(const QString &ipAddress)
+{
+    // TODO: implement
+        Q_UNUSED(ipAddress);
+    return false;
+}
+
+Response::ResponseCode ServerSocketInterface::cmdActivateAccount(const Command_Activate &cmd, ResponseContainer & /*rc*/)
+{
+    QString userName = QString::fromStdString(cmd.user_name());
+    QString token = QString::fromStdString(cmd.token());
+
+    if(sqlInterface->activateUser(userName, token))
+    {
+        qDebug() << "Accepted activation for user" << QString::fromStdString(cmd.user_name());
+        return Response::RespActivationAccepted;
+    } else {
+        qDebug() << "Failed activation for user" << QString::fromStdString(cmd.user_name());
+        return Response::RespActivationFailed;
+    }
+}
+
+
 // ADMIN FUNCTIONS.
 // Permission is checked by the calling function.
 

servatrice/src/serversocketinterface.h

@@ -59,6 +59,7 @@ signals:
 	void outputQueueChanged();
 protected:
 	void logDebugMessage(const QString &message);
+	bool tooManyRegistrationAttempts(const QString &ipAddress);
 private:
 	QMutex outputQueueMutex;
 	Servatrice *servatrice;
@@ -91,10 +92,14 @@ private:
 	Response::ResponseCode cmdBanFromServer(const Command_BanFromServer &cmd, ResponseContainer &rc);
 	Response::ResponseCode cmdShutdownServer(const Command_ShutdownServer &cmd, ResponseContainer &rc);
 	Response::ResponseCode cmdUpdateServerMessage(const Command_UpdateServerMessage &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdRegisterAccount(const Command_Register &cmd, ResponseContainer &rc);
+    Response::ResponseCode cmdActivateAccount(const Command_Activate &cmd, ResponseContainer & /* rc */);
 	
 	Response::ResponseCode processExtendedSessionCommand(int cmdType, const SessionCommand &cmd, ResponseContainer &rc);
 	Response::ResponseCode processExtendedModeratorCommand(int cmdType, const ModeratorCommand &cmd, ResponseContainer &rc);
 	Response::ResponseCode processExtendedAdminCommand(int cmdType, const AdminCommand &cmd, ResponseContainer &rc);
+
+	bool sendActivationTokenMail(const QString &nickname, const QString &recipient, const QString &token);
 public:
 	ServerSocketInterface(Servatrice *_server, Servatrice_DatabaseInterface *_databaseInterface, QObject *parent = 0);
 	~ServerSocketInterface();

servatrice/src/smtp/SmtpMime

@@ -0,0 +1,31 @@
+/*
+  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 SMTPMIME_H
+#define SMTPMIME_H
+
+#include "smtpclient.h"
+#include "mimepart.h"
+#include "mimehtml.h"
+#include "mimeattachment.h"
+#include "mimemessage.h"
+#include "mimetext.h"
+#include "mimeinlinefile.h"
+#include "mimefile.h"
+
+#endif // SMTPMIME_H

servatrice/src/smtp/emailaddress.cpp

@@ -0,0 +1,60 @@
+/*
+  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.
+*/
+
+#include "emailaddress.h"
+
+/* [1] Constructors and Destructors */
+
+EmailAddress::EmailAddress(const QString & address, const QString & name)
+{
+    this->address = address;
+    this->name = name;
+}
+
+EmailAddress::~EmailAddress()
+{
+}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+void EmailAddress::setName(const QString & name)
+{
+    this->name = name;
+
+}
+
+void EmailAddress::setAddress(const QString & address)
+{
+    this->address = address;
+}
+
+const QString & EmailAddress::getName() const
+{
+    return name;
+}
+
+const QString & EmailAddress::getAddress() const
+{
+    return address;
+}
+
+/* [2] --- */
+

servatrice/src/smtp/emailaddress.h

@@ -0,0 +1,61 @@
+/*
+  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 EMAILADDRESS_H
+#define EMAILADDRESS_H
+
+#include <QObject>
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT EmailAddress : public QObject
+{
+    Q_OBJECT
+public:
+
+    /* [1] Constructors and Destructors */
+
+    EmailAddress();
+    EmailAddress(const QString & address, const QString & name="");
+
+    ~EmailAddress();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+    void setName(const QString & name);
+    void setAddress(const QString & address);
+
+    const QString & getName() const;
+    const QString & getAddress() const;
+
+    /* [2] --- */
+
+
+private:
+
+    /* [3] Private members */
+
+    QString name;
+    QString address;
+
+    /* [3] --- */
+};
+
+#endif // EMAILADDRESS_H

servatrice/src/smtp/mimeattachment.cpp

@@ -0,0 +1,50 @@
+/*
+  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.
+*/
+
+#include "mimeattachment.h"
+#include <QFileInfo>
+
+/* [1] Constructors and Destructors */
+
+MimeAttachment::MimeAttachment(QFile *file)
+    : MimeFile(file)
+{
+}
+MimeAttachment::MimeAttachment(const QByteArray& stream, const QString& fileName): MimeFile(stream, fileName)
+{
+
+}
+
+MimeAttachment::~MimeAttachment()
+{
+}
+
+/* [1] --- */
+
+
+/* [2] Protected methods */
+
+void MimeAttachment::prepare()
+{
+    this->header += "Content-disposition: attachment\r\n";
+
+    /* !!! IMPORTANT !!! */
+    MimeFile::prepare();
+}
+
+/* [2] --- */

servatrice/src/smtp/mimeattachment.h

@@ -0,0 +1,51 @@
+/*
+  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 MIMEATTACHMENT_H
+#define MIMEATTACHMENT_H
+
+#include <QFile>
+#include "mimepart.h"
+#include "mimefile.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeAttachment : public MimeFile
+{
+    Q_OBJECT
+public:
+
+    /* [1] Constructors and Destructors */
+
+    MimeAttachment(QFile* file);
+    MimeAttachment(const QByteArray& stream, const QString& fileName);
+
+    ~MimeAttachment();
+
+    /* [1] --- */
+
+protected:
+
+    /* [2] Protected methods */
+
+    virtual void prepare();
+
+    /* [2] --- */
+};
+
+#endif // MIMEATTACHMENT_H

servatrice/src/smtp/mimecontentformatter.cpp

@@ -0,0 +1,66 @@
+/*
+  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.
+*/
+
+#include "mimecontentformatter.h"
+
+MimeContentFormatter::MimeContentFormatter(int max_length) :
+    max_length(max_length)
+{}
+
+QString MimeContentFormatter::format(const QString &content, bool quotedPrintable) const {
+
+    QString out;
+
+    int chars = 0;
+    for (int i = 0; i < content.length() ; ++i) {
+        chars++;
+        if (!quotedPrintable) {
+            if (chars > max_length) {
+                    out.append("\r\n");
+                    chars = 1;
+            }
+        }
+        else {
+            if (content[i] == '\n') {       // new line
+                out.append(content[i]);
+                chars = 0;
+                continue;
+            }
+
+            if ((chars > max_length - 1)
+                || ((content[i] == '=') && (chars > max_length - 3) )) {
+                out.append('=');
+                out.append("\r\n");
+                chars = 1;
+            }
+
+        }
+        out.append(content[i]);
+    }
+
+    return out;
+
+}
+
+void MimeContentFormatter::setMaxLength(int l) {
+    max_length = l;
+}
+
+int MimeContentFormatter::getMaxLength() const {
+    return max_length;
+}

servatrice/src/smtp/mimecontentformatter.h

@@ -0,0 +1,43 @@
+/*
+  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 MIMECONTENTFORMATTER_H
+#define MIMECONTENTFORMATTER_H
+
+#include <QObject>
+#include <QByteArray>
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeContentFormatter : public QObject
+{
+    Q_OBJECT
+public:
+    MimeContentFormatter (int max_length = 76);
+
+    void setMaxLength(int l);
+    int getMaxLength() const;
+
+    QString format(const QString &content, bool quotedPrintable = false) const;
+
+protected:
+    int max_length;
+
+};
+
+#endif // MIMECONTENTFORMATTER_H

servatrice/src/smtp/mimefile.cpp

@@ -0,0 +1,70 @@
+/*
+  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.
+*/
+
+#include "mimefile.h"
+#include <QFileInfo>
+
+/* [1] Constructors and Destructors */
+
+MimeFile::MimeFile(QFile *file)
+{
+    this->file = file;
+    this->cType = "application/octet-stream";
+    this->cName = QFileInfo(*file).fileName();
+    this->cEncoding = Base64;
+}
+
+MimeFile::MimeFile(const QByteArray& stream, const QString& fileName)
+{
+    this->cEncoding = Base64;
+    this->cType = "application/octet-stream";
+    this->file = 0;
+    this->cName = fileName;
+    this->content = stream;
+}
+
+MimeFile::~MimeFile()
+{
+  if (file)
+    delete file;
+}
+
+/* [1] --- */
+
+
+/* [2] Getters and setters */
+
+/* [2] --- */
+
+
+/* [3] Protected methods */
+
+void MimeFile::prepare()
+{
+  if (this->file)
+  {
+    file->open(QIODevice::ReadOnly);
+    this->content = file->readAll();
+    file->close();
+  }
+    /* !!! IMPORTANT !!!! */
+    MimePart::prepare();
+}
+
+/* [3] --- */
+

servatrice/src/smtp/mimefile.h

@@ -0,0 +1,62 @@
+/*
+  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 MIMEFILE_H
+#define MIMEFILE_H
+
+#include "mimepart.h"
+#include <QFile>
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeFile : public MimePart
+{
+    Q_OBJECT
+public:
+
+    /* [1] Constructors and Destructors */
+
+    MimeFile(const QByteArray& stream, const QString& fileName);
+    MimeFile(QFile *f);
+    ~MimeFile();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    /* [2] --- */
+
+protected:
+
+    /* [3] Protected members */
+
+    QFile* file;
+
+    /* [3] --- */
+
+
+    /* [4] Protected methods */
+
+    virtual void prepare();
+
+    /* [4] --- */
+
+};
+
+#endif // MIMEFILE_H

servatrice/src/smtp/mimehtml.cpp

@@ -0,0 +1,57 @@
+/*
+  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.
+*/
+
+#include "mimehtml.h"
+
+/* [1] Constructors and Destructors */
+
+MimeHtml::MimeHtml(const QString &html) : MimeText(html)
+{
+    this->cType = "text/html";
+}
+
+MimeHtml::~MimeHtml() {}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+void MimeHtml::setHtml(const QString & html)
+{
+    this->text = html;
+}
+
+const QString & MimeHtml::getHtml() const
+{
+    return text;
+}
+
+
+/* [2] --- */
+
+
+/* [3] Protected methods */
+
+void MimeHtml::prepare()
+{
+    /* !!! IMPORTANT !!! */
+    MimeText::prepare();
+}
+
+/* [3] --- */

servatrice/src/smtp/mimehtml.h

@@ -0,0 +1,61 @@
+/*
+  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 MIMEHTML_H
+#define MIMEHTML_H
+
+#include "mimetext.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeHtml : public MimeText
+{
+    Q_OBJECT
+public:
+
+    /* [1] Constructors and Destructors */
+
+    MimeHtml(const QString &html = "");
+    ~MimeHtml();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    void setHtml(const QString & html);
+
+    const QString& getHtml() const;
+
+    /* [2] --- */
+
+protected:
+
+    /* [3] Protected members */
+
+    /* [3] --- */
+
+
+    /* [4] Protected methods */
+
+    virtual void prepare();
+
+    /* [4] --- */
+};
+
+#endif // MIMEHTML_H

servatrice/src/smtp/mimeinlinefile.cpp

@@ -0,0 +1,52 @@
+/*
+  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.
+*/
+
+#include "mimeinlinefile.h"
+
+/* [1] Constructors and Destructors */
+
+MimeInlineFile::MimeInlineFile(QFile *f)
+    : MimeFile(f)
+{
+}
+
+MimeInlineFile::~MimeInlineFile()
+{}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+/* [2] --- */
+
+
+/* [3] Protected methods */
+
+void MimeInlineFile::prepare()
+{       
+    this->header += "Content-Disposition: inline\r\n";
+
+    /* !!! IMPORTANT !!! */
+    MimeFile::prepare();
+}
+
+/* [3] --- */
+
+
+

servatrice/src/smtp/mimeinlinefile.h

@@ -0,0 +1,56 @@
+/*
+  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 MIMEINLINEFILE_H
+#define MIMEINLINEFILE_H
+
+#include "mimefile.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeInlineFile : public MimeFile
+{
+public:
+
+    /* [1] Constructors and Destructors */
+
+    MimeInlineFile(QFile *f);
+    ~MimeInlineFile();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    /* [2] --- */
+
+protected:
+
+    /* [3] Protected members */
+
+    /* [3] --- */
+
+
+    /* [4] Protected methods */
+
+    virtual void prepare();
+
+    /* [4] --- */
+};
+
+#endif // MIMEINLINEFILE_H

servatrice/src/smtp/mimemessage.cpp

@@ -0,0 +1,257 @@
+/*
+  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.
+*/
+
+#include "mimemessage.h"
+
+#include <QDateTime>
+#include "quotedprintable.h"
+#include <typeinfo>
+
+/* [1] Constructors and Destructors */
+MimeMessage::MimeMessage(bool createAutoMimeContent) :
+    hEncoding(MimePart::_8Bit)
+{
+    if (createAutoMimeContent)
+        this->content = new MimeMultiPart();
+    
+    autoMimeContentCreated = createAutoMimeContent;
+}
+
+MimeMessage::~MimeMessage()
+{
+    if (this->autoMimeContentCreated)
+    {
+      this->autoMimeContentCreated = false;
+      delete (this->content);
+    }
+}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+MimePart& MimeMessage::getContent() {
+    return *content;
+}
+
+void MimeMessage::setContent(MimePart *content) {
+    if (this->autoMimeContentCreated)
+    {
+      this->autoMimeContentCreated = false;
+      delete (this->content);
+    }
+    this->content = content;
+}
+
+void MimeMessage::setSender(EmailAddress* e)
+{
+    this->sender = e;
+}
+
+void MimeMessage::addRecipient(EmailAddress* rcpt, RecipientType type)
+{
+    switch (type)
+    {
+    case To:
+        recipientsTo << rcpt;
+        break;
+    case Cc:
+        recipientsCc << rcpt;
+        break;
+    case Bcc:
+        recipientsBcc << rcpt;
+        break;
+    }
+}
+
+void MimeMessage::addTo(EmailAddress* rcpt) {
+    this->recipientsTo << rcpt;
+}
+
+void MimeMessage::addCc(EmailAddress* rcpt) {
+    this->recipientsCc << rcpt;
+}
+
+void MimeMessage::addBcc(EmailAddress* rcpt) {
+    this->recipientsBcc << rcpt;
+}
+
+void MimeMessage::setSubject(const QString & subject)
+{
+    this->subject = subject;
+}
+
+void MimeMessage::addPart(MimePart *part)
+{
+    if (typeid(*content) == typeid(MimeMultiPart)) {
+        ((MimeMultiPart*) content)->addPart(part);
+    };
+}
+
+void MimeMessage::setHeaderEncoding(MimePart::Encoding hEnc)
+{
+    this->hEncoding = hEnc;
+}
+
+const EmailAddress & MimeMessage::getSender() const
+{
+    return *sender;
+}
+
+const QList<EmailAddress*> & MimeMessage::getRecipients(RecipientType type) const
+{
+    switch (type)
+    {
+    default:
+    case To:
+        return recipientsTo;
+    case Cc:
+        return recipientsCc;
+    case Bcc:
+        return recipientsBcc;
+    }
+}
+
+const QString & MimeMessage::getSubject() const
+{
+    return subject;
+}
+
+const QList<MimePart*> & MimeMessage::getParts() const
+{
+    if (typeid(*content) == typeid(MimeMultiPart)) {
+        return ((MimeMultiPart*) content)->getParts();
+    }
+    else {
+        QList<MimePart*> *res = new QList<MimePart*>();
+        res->append(content);
+        return *res;
+    }
+}
+
+/* [2] --- */
+
+
+/* [3] Public Methods */
+
+QString MimeMessage::toString()
+{
+    QString mime;
+
+    /* =========== MIME HEADER ============ */
+
+    /* ---------- Sender / From ----------- */
+    mime = "From:";
+    if (sender->getName() != "")
+    {
+        switch (hEncoding)
+        {
+        case MimePart::Base64:
+            mime += " =?utf-8?B?" + QByteArray().append(sender->getName()).toBase64() + "?=";
+            break;
+        case MimePart::QuotedPrintable:
+            mime += " =?utf-8?Q?" + QuotedPrintable::encode(QByteArray().append(sender->getName())).replace(' ', "_").replace(':',"=3A") + "?=";
+            break;
+        default:
+            mime += " " + sender->getName();
+        }
+    }
+    mime += " <" + sender->getAddress() + ">\r\n";
+    /* ---------------------------------- */
+
+
+    /* ------- Recipients / To ---------- */    
+    mime += "To:";
+    QList<EmailAddress*>::iterator it;  int i;
+    for (i = 0, it = recipientsTo.begin(); it != recipientsTo.end(); ++it, ++i)
+    {
+        if (i != 0) { mime += ","; }
+
+        if ((*it)->getName() != "")
+        {
+            switch (hEncoding)
+            {
+            case MimePart::Base64:
+                mime += " =?utf-8?B?" + QByteArray().append((*it)->getName()).toBase64() + "?=";
+                break;
+            case MimePart::QuotedPrintable:
+                mime += " =?utf-8?Q?" + QuotedPrintable::encode(QByteArray().append((*it)->getName())).replace(' ', "_").replace(':',"=3A") + "?=";
+                break;
+            default:
+                mime += " " + (*it)->getName();
+            }
+        }
+        mime += " <" + (*it)->getAddress() + ">";
+    }
+    mime += "\r\n";
+    /* ---------------------------------- */
+
+    /* ------- Recipients / Cc ---------- */
+    if (recipientsCc.size() != 0) {
+        mime += "Cc:";
+    }
+    for (i = 0, it = recipientsCc.begin(); it != recipientsCc.end(); ++it, ++i)
+    {
+        if (i != 0) { mime += ","; }
+
+        if ((*it)->getName() != "")
+        {
+            switch (hEncoding)
+            {
+            case MimePart::Base64:
+                mime += " =?utf-8?B?" + QByteArray().append((*it)->getName()).toBase64() + "?=";
+                break;
+            case MimePart::QuotedPrintable:
+                mime += " =?utf-8?Q?" + QuotedPrintable::encode(QByteArray().append((*it)->getName())).replace(' ', "_").replace(':',"=3A") + "?=";
+                break;
+            default:
+                mime += " " + (*it)->getName();
+            }
+        }
+        mime += " <" + (*it)->getAddress() + ">";
+    }
+    if (recipientsCc.size() != 0) {
+        mime += "\r\n";
+    }
+    /* ---------------------------------- */
+
+    /* ------------ Subject ------------- */
+    mime += "Subject: ";
+
+
+    switch (hEncoding)
+    {
+    case MimePart::Base64:
+        mime += "=?utf-8?B?" + QByteArray().append(subject).toBase64() + "?=";
+        break;
+    case MimePart::QuotedPrintable:
+        mime += "=?utf-8?Q?" + QuotedPrintable::encode(QByteArray().append(subject)).replace(' ', "_").replace(':',"=3A") + "?=";
+        break;
+    default:
+        mime += subject;
+    }
+    /* ---------------------------------- */
+
+    mime += "\r\n";
+    mime += "MIME-Version: 1.0\r\n";
+
+    mime += content->toString();
+    return mime;
+}
+
+/* [3] --- */

servatrice/src/smtp/mimemessage.h

@@ -0,0 +1,92 @@
+/*
+  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 MIMEMESSAGE_H
+#define MIMEMESSAGE_H
+
+#include "mimepart.h"
+#include "mimemultipart.h"
+#include "emailaddress.h"
+#include <QList>
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeMessage : public QObject
+{
+public:
+
+    enum RecipientType {
+        To,                 // primary
+        Cc,                 // carbon copy
+        Bcc                 // blind carbon copy
+    };
+
+    /* [1] Constructors and Destructors */
+
+    MimeMessage(bool createAutoMimeConent = true);
+    ~MimeMessage();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    void setSender(EmailAddress* e);
+    void addRecipient(EmailAddress* rcpt, RecipientType type = To);
+    void addTo(EmailAddress* rcpt);
+    void addCc(EmailAddress* rcpt);
+    void addBcc(EmailAddress* rcpt);
+    void setSubject(const QString & subject);
+    void addPart(MimePart* part);
+
+    void setHeaderEncoding(MimePart::Encoding);
+
+    const EmailAddress & getSender() const;
+    const QList<EmailAddress*> & getRecipients(RecipientType type = To) const;
+    const QString & getSubject() const;
+    const QList<MimePart*> & getParts() const;
+
+    MimePart& getContent();
+    void setContent(MimePart *content);
+    /* [2] --- */
+
+
+    /* [3] Public methods */
+
+    virtual QString toString();
+
+    /* [3] --- */
+
+protected:
+
+    /* [4] Protected members */
+
+    EmailAddress* sender;
+    QList<EmailAddress*> recipientsTo, recipientsCc, recipientsBcc;
+    QString subject;
+    MimePart *content;
+    bool autoMimeContentCreated;
+    
+    MimePart::Encoding hEncoding;
+
+    /* [4] --- */
+
+
+};
+
+#endif // MIMEMESSAGE_H

servatrice/src/smtp/mimemultipart.cpp

@@ -0,0 +1,78 @@
+/*
+  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.
+*/
+
+#include "mimemultipart.h"
+#include <QTime>
+#include <QCryptographicHash>
+
+const QString MULTI_PART_NAMES[] = {
+    "multipart/mixed",         //    Mixed
+    "multipart/digest",        //    Digest
+    "multipart/alternative",   //    Alternative
+    "multipart/related",       //    Related
+    "multipart/report",        //    Report
+    "multipart/signed",        //    Signed
+    "multipart/encrypted"      //    Encrypted
+};
+
+MimeMultiPart::MimeMultiPart(MultiPartType type)
+{
+    this->type = type;
+    this->cType = MULTI_PART_NAMES[this->type];
+    this->cEncoding = _8Bit;
+
+    QCryptographicHash md5(QCryptographicHash::Md5);
+    md5.addData(QByteArray().append(qrand()));
+    cBoundary = md5.result().toHex();
+}
+
+MimeMultiPart::~MimeMultiPart() {
+
+}
+
+void MimeMultiPart::addPart(MimePart *part) {
+    parts.append(part);
+}
+
+const QList<MimePart*> & MimeMultiPart::getParts() const {
+    return parts;
+}
+
+void MimeMultiPart::prepare() {
+    QList<MimePart*>::iterator it;
+
+    content = "";
+    for (it = parts.begin(); it != parts.end(); it++) {
+        content += "--" + cBoundary + "\r\n";
+        (*it)->prepare();
+        content += (*it)->toString();
+    };
+
+    content += "--" + cBoundary + "--\r\n";
+
+    MimePart::prepare();
+}
+
+void MimeMultiPart::setMimeType(const MultiPartType type) {
+    this->type = type;
+    this->cType = MULTI_PART_NAMES[type];
+}
+
+MimeMultiPart::MultiPartType MimeMultiPart::getMimeType() const {
+    return type;
+}

servatrice/src/smtp/mimemultipart.h

@@ -0,0 +1,75 @@
+/*
+  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 MIMEMULTIPART_H
+#define MIMEMULTIPART_H
+
+#include "mimepart.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeMultiPart : public MimePart
+{
+    Q_OBJECT
+public:
+
+    /* [0] Enums */
+    enum MultiPartType {
+        Mixed           = 0,            // RFC 2046, section 5.1.3
+        Digest          = 1,            // RFC 2046, section 5.1.5
+        Alternative     = 2,            // RFC 2046, section 5.1.4
+        Related         = 3,            // RFC 2387
+        Report          = 4,            // RFC 6522
+        Signed          = 5,            // RFC 1847, section 2.1
+        Encrypted       = 6             // RFC 1847, section 2.2
+    };
+
+    /* [0] --- */
+
+    /* [1] Constructors and Destructors */
+    MimeMultiPart(const MultiPartType type = Related);
+
+    ~MimeMultiPart();
+
+    /* [1] --- */
+
+    /* [2] Getters and Setters */
+
+    void setMimeType(const MultiPartType type);
+    MultiPartType getMimeType() const;
+
+    const QList<MimePart*> & getParts() const;
+
+    /* [2] --- */
+
+    /* [3] Public methods */
+
+    void addPart(MimePart *part);
+
+    virtual void prepare();
+
+    /* [3] --- */
+
+protected:
+    QList< MimePart* > parts;
+
+    MultiPartType type;
+    
+};
+
+#endif // MIMEMULTIPART_H

servatrice/src/smtp/mimepart.cpp

@@ -0,0 +1,214 @@
+/*
+  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.
+*/
+
+#include "mimepart.h"
+#include "quotedprintable.h"
+
+/* [1] Constructors and Destructors */
+
+MimePart::MimePart()
+{
+    cEncoding = _7Bit;
+    prepared = false;
+    cBoundary = "";
+}
+
+MimePart::~MimePart()
+{
+    return;
+}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+void MimePart::setContent(const QByteArray & content)
+{
+    this->content = content;
+}
+
+void MimePart::setHeader(const QString & header)
+{
+    this->header = header;
+}
+
+void MimePart::addHeaderLine(const QString & line)
+{
+    this->header += line + "\r\n";
+}
+
+const QString& MimePart::getHeader() const
+{
+    return header;
+}
+
+const QByteArray& MimePart::getContent() const
+{
+    return content;
+}
+
+void MimePart::setContentId(const QString & cId)
+{
+    this->cId = cId;
+}
+
+const QString & MimePart::getContentId() const
+{
+    return this->cId;
+}
+
+void MimePart::setContentName(const QString & cName)
+{
+    this->cName = cName;
+}
+
+const QString & MimePart::getContentName() const
+{
+    return this->cName;
+}
+
+void MimePart::setContentType(const QString & cType)
+{
+    this->cType = cType;
+}
+
+const QString & MimePart::getContentType() const
+{
+    return this->cType;
+}
+
+void MimePart::setCharset(const QString & charset)
+{
+    this->cCharset = charset;
+}
+
+const QString & MimePart::getCharset() const
+{
+    return this->cCharset;
+}
+
+void MimePart::setEncoding(Encoding enc)
+{
+    this->cEncoding = enc;
+}
+
+MimePart::Encoding MimePart::getEncoding() const
+{
+    return this->cEncoding;
+}
+
+MimeContentFormatter& MimePart::getContentFormatter()
+{
+    return this->formatter;
+}
+
+/* [2] --- */
+
+
+/* [3] Public methods */
+
+QString MimePart::toString()
+{
+    if (!prepared)
+        prepare();
+
+    return mimeString;
+}
+
+/* [3] --- */
+
+
+/* [4] Protected methods */
+
+void MimePart::prepare()
+{
+    mimeString = QString();
+
+    /* === Header Prepare === */
+
+    /* Content-Type */
+    mimeString.append("Content-Type: ").append(cType);
+
+    if (cName != "")
+        mimeString.append("; name=\"").append(cName).append("\"");
+
+    if (cCharset != "")
+        mimeString.append("; charset=").append(cCharset);
+
+    if (cBoundary != "")
+        mimeString.append("; boundary=").append(cBoundary);
+
+    mimeString.append("\r\n");
+    /* ------------ */
+
+    /* Content-Transfer-Encoding */
+    mimeString.append("Content-Transfer-Encoding: ");
+    switch (cEncoding)
+    {
+    case _7Bit:
+        mimeString.append("7bit\r\n");
+        break;
+    case _8Bit:
+        mimeString.append("8bit\r\n");
+        break;
+    case Base64:
+        mimeString.append("base64\r\n");
+        break;
+    case QuotedPrintable:
+        mimeString.append("quoted-printable\r\n");
+        break;
+    }
+    /* ------------------------ */
+
+    /* Content-Id */
+    if (cId != NULL)
+        mimeString.append("Content-ID: <").append(cId).append(">\r\n");
+    /* ---------- */
+
+    /* Addition header lines */
+
+    mimeString.append(header).append("\r\n");
+
+    /* ------------------------- */
+
+    /* === End of Header Prepare === */
+
+    /* === Content === */
+    switch (cEncoding)
+    {
+    case _7Bit:
+        mimeString.append(QString(content).toLatin1());
+        break;
+    case _8Bit:
+        mimeString.append(content);
+        break;
+    case Base64:
+        mimeString.append(formatter.format(content.toBase64()));
+        break;
+    case QuotedPrintable:
+        mimeString.append(formatter.format(QuotedPrintable::encode(content), true));
+        break;
+    }
+    mimeString.append("\r\n");
+    /* === End of Content === */
+
+    prepared = true;
+}
+
+/* [4] --- */

servatrice/src/smtp/mimepart.h

@@ -0,0 +1,114 @@
+/*
+  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 MIMEPART_H
+#define MIMEPART_H
+
+#include <QObject>
+#include "mimecontentformatter.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimePart : public QObject
+{
+    Q_OBJECT
+public:
+
+    /* [0] Enumerations */
+    enum Encoding {        
+        _7Bit,
+        _8Bit,
+        Base64,
+        QuotedPrintable
+    };
+
+
+    /* [0] --- */
+
+
+    /* [1] Constructors and Destructors */
+
+    MimePart();
+    ~MimePart();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    const QString& getHeader() const;
+    const QByteArray& getContent() const;
+
+    void setContent(const QByteArray & content);
+    void setHeader(const QString & header);
+
+    void addHeaderLine(const QString & line);
+
+    void setContentId(const QString & cId);
+    const QString & getContentId() const;
+
+    void setContentName(const QString & cName);
+    const QString & getContentName() const;
+
+    void setContentType(const QString & cType);
+    const QString & getContentType() const;
+
+    void setCharset(const QString & charset);
+    const QString & getCharset() const;
+
+    void setEncoding(Encoding enc);
+    Encoding getEncoding() const;
+
+    MimeContentFormatter& getContentFormatter();
+
+    /* [2] --- */
+
+
+    /* [3] Public methods */
+
+    virtual QString toString();
+
+    virtual void prepare();
+
+    /* [3] --- */
+
+
+
+protected:
+
+    /* [4] Protected members */
+
+    QString header;
+    QByteArray content;
+
+    QString cId;
+    QString cName;
+    QString cType;
+    QString cCharset;
+    QString cBoundary;
+    Encoding cEncoding;
+
+    QString mimeString;
+    bool prepared;
+
+    MimeContentFormatter formatter;
+
+    /* [4] --- */
+};
+
+#endif // MIMEPART_H

servatrice/src/smtp/mimetext.cpp

@@ -0,0 +1,62 @@
+/*
+  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.
+*/
+
+#include "mimetext.h"
+
+/* [1] Constructors and Destructors */
+
+MimeText::MimeText(const QString &txt)
+{
+    this->text = txt;
+    this->cType = "text/plain";
+    this->cCharset = "utf-8";
+    this->cEncoding = _8Bit;
+}
+
+MimeText::~MimeText() { }
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+void MimeText::setText(const QString & text)
+{
+    this->text = text;
+}
+
+const QString & MimeText::getText() const
+{
+    return text;
+}
+
+/* [2] --- */
+
+
+/* [3] Protected Methods */
+
+void MimeText::prepare()
+{
+    this->content.clear();
+    this->content.append(text);
+
+    /* !!! IMPORTANT !!! */
+    MimePart::prepare();
+}
+
+/* [3] --- */

servatrice/src/smtp/mimetext.h

@@ -0,0 +1,62 @@
+/*
+  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 MIMETEXT_H
+#define MIMETEXT_H
+
+#include "mimepart.h"
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT MimeText : public MimePart
+{
+public:
+
+    /* [1] Constructors and Destructors */
+
+    MimeText(const QString &text = "");
+    ~MimeText();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters*/
+
+    void setText(const QString & text);
+
+    const QString & getText() const;
+
+    /* [2] --- */
+
+protected:
+
+    /* [3] Protected members */
+
+    QString text;
+    /* [3] --- */
+
+
+    /* [4] Protected methods */
+
+    void prepare();
+
+    /* [4] --- */
+
+};
+
+#endif // MIMETEXT_H

servatrice/src/smtp/quotedprintable.cpp

@@ -0,0 +1,69 @@
+/*
+  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.
+*/
+
+#include "quotedprintable.h"
+
+QString QuotedPrintable::encode(const QByteArray &input)
+{
+    QString output;
+
+    char byte;
+    const char hex[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+
+    for (int i = 0; i < input.length() ; ++i)
+    {
+        byte = input[i];
+
+        if ((byte == 0x20) || ((byte >= 33) && (byte <= 126) && (byte != 61)))
+        {
+            output.append(byte);
+        }
+        else
+        {
+            output.append('=');
+            output.append(hex[((byte >> 4) & 0x0F)]);
+            output.append(hex[(byte & 0x0F)]);
+        }
+    }
+
+    return output;
+}
+
+
+QByteArray QuotedPrintable::decode(const QString &input)
+{
+    //                    0  1  2  3  4  5  6  7  8  9  :  ;  <  =  >  ?  @  A   B   C   D   E   F
+    const int hexVal[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15};
+
+    QByteArray output;
+
+    for (int i = 0; i < input.length(); ++i)
+    {
+        if (input.at(i).toLatin1() == '=')
+        {
+            output.append((hexVal[input.at(i + 1).toLatin1() - '0'] << 4) + hexVal[input.at(i + 2).toLatin1() - '0']);
+            i += 2;
+        }
+        else
+        {
+            output.append(input.at(i).toLatin1());
+        }
+    }
+
+    return output;
+}

servatrice/src/smtp/quotedprintable.h

@@ -0,0 +1,39 @@
+/*
+  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 QUOTEDPRINTABLE_H
+#define QUOTEDPRINTABLE_H
+
+#include <QObject>
+#include <QByteArray>
+
+#include "smtpexports.h"
+
+class SMTP_EXPORT QuotedPrintable : public QObject
+{
+    Q_OBJECT
+public:
+
+    static QString encode(const QByteArray &input);
+    static QByteArray decode(const QString &input);
+
+private:
+    QuotedPrintable();
+};
+
+#endif // QUOTEDPRINTABLE_H

servatrice/src/smtp/smtpclient.cpp

@@ -0,0 +1,482 @@
+/*
+  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.
+*/
+
+#include "smtpclient.h"
+
+#include <QFileInfo>
+#include <QByteArray>
+
+
+/* [1] Constructors and destructors */
+
+SmtpClient::SmtpClient(const QString & host, int port, ConnectionType connectionType) :
+    name("localhost"),
+    authMethod(AuthPlain),
+    connectionTimeout(5000),
+    responseTimeout(5000),
+    sendMessageTimeout(60000)
+{
+    setConnectionType(connectionType);
+
+    this->host = host;
+    this->port = port;
+
+    connect(socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
+            this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
+    connect(socket, SIGNAL(error(QAbstractSocket::SocketError)),
+            this, SLOT(socketError(QAbstractSocket::SocketError)));
+    connect(socket, SIGNAL(readyRead()),
+            this, SLOT(socketReadyRead()));
+}
+
+SmtpClient::~SmtpClient() {}
+
+/* [1] --- */
+
+
+/* [2] Getters and Setters */
+
+void SmtpClient::setUser(const QString &user)
+{
+    this->user = user;
+}
+
+void SmtpClient::setPassword(const QString &password)
+{
+    this->password = password;
+}
+
+void SmtpClient::setAuthMethod(AuthMethod method)
+{
+    this->authMethod = method;
+}
+
+void SmtpClient::setHost(const QString &host)
+{
+    this->host = host;
+}
+
+void SmtpClient::setPort(int port)
+{
+    this->port = port;
+}
+
+void SmtpClient::setConnectionType(ConnectionType ct)
+{
+    this->connectionType = ct;
+
+    switch (connectionType)
+    {
+    case TcpConnection:
+        socket = new QTcpSocket(this);
+        break;
+    case SslConnection:
+    case TlsConnection:
+        socket = new QSslSocket(this);
+    }
+}
+
+const QString& SmtpClient::getHost() const
+{
+    return this->host;
+}
+
+const QString& SmtpClient::getUser() const
+{
+    return this->user;
+}
+
+const QString& SmtpClient::getPassword() const
+{
+    return this->password;
+}
+
+SmtpClient::AuthMethod SmtpClient::getAuthMethod() const
+{
+    return this->authMethod;
+}
+
+int SmtpClient::getPort() const
+{
+    return this->port;
+}
+
+SmtpClient::ConnectionType SmtpClient::getConnectionType() const
+{
+    return connectionType;
+}
+
+const QString& SmtpClient::getName() const
+{
+    return this->name;
+}
+
+void SmtpClient::setName(const QString &name)
+{
+    this->name = name;
+}
+
+const QString & SmtpClient::getResponseText() const
+{
+    return responseText;
+}
+
+int SmtpClient::getResponseCode() const
+{
+    return responseCode;
+}
+
+QTcpSocket* SmtpClient::getSocket() {
+    return socket;
+}
+
+int SmtpClient::getConnectionTimeout() const
+{
+    return connectionTimeout;
+}
+
+void SmtpClient::setConnectionTimeout(int msec)
+{
+    connectionTimeout = msec;
+}
+
+int SmtpClient::getResponseTimeout() const
+{
+    return responseTimeout;
+}
+
+void SmtpClient::setResponseTimeout(int msec)
+{
+    responseTimeout = msec;
+}
+int SmtpClient::getSendMessageTimeout() const
+{
+  return sendMessageTimeout;
+}
+void SmtpClient::setSendMessageTimeout(int msec)
+{
+  sendMessageTimeout = msec;
+}
+
+/* [2] --- */
+
+
+/* [3] Public methods */
+
+bool SmtpClient::connectToHost()
+{
+    switch (connectionType)
+    {
+    case TlsConnection:
+    case TcpConnection:
+        socket->connectToHost(host, port);
+        break;
+    case SslConnection:
+        ((QSslSocket*) socket)->connectToHostEncrypted(host, port);
+        break;
+
+    }
+
+    // Tries to connect to server
+    if (!socket->waitForConnected(connectionTimeout))
+    {
+        emit smtpError(ConnectionTimeoutError);
+        return false;
+    }
+
+    try
+    {
+        // Wait for the server's response
+        waitForResponse();
+
+        // If the response code is not 220 (Service ready)
+        // means that is something wrong with the server
+        if (responseCode != 220)
+        {
+            emit smtpError(ServerError);
+            return false;
+        }
+
+        // Send a EHLO/HELO message to the server
+        // The client's first command must be EHLO/HELO
+        sendMessage("EHLO " + name);
+
+        // Wait for the server's response
+        waitForResponse();
+
+        // The response code needs to be 250.
+        if (responseCode != 250) {
+            emit smtpError(ServerError);
+            return false;
+        }
+
+        if (connectionType == TlsConnection) {
+            // send a request to start TLS handshake
+            sendMessage("STARTTLS");
+
+            // Wait for the server's response
+            waitForResponse();
+
+            // The response code needs to be 220.
+            if (responseCode != 220) {
+                emit smtpError(ServerError);
+                return false;
+            };
+
+            ((QSslSocket*) socket)->startClientEncryption();
+
+            if (!((QSslSocket*) socket)->waitForEncrypted(connectionTimeout)) {
+                qDebug() << ((QSslSocket*) socket)->errorString();
+                emit smtpError(ConnectionTimeoutError);
+                return false;
+            }
+
+            // Send ELHO one more time
+            sendMessage("EHLO " + name);
+
+            // Wait for the server's response
+            waitForResponse();
+
+            // The response code needs to be 250.
+            if (responseCode != 250) {
+                emit smtpError(ServerError);
+                return false;
+            }
+        }
+    }
+    catch (ResponseTimeoutException)
+    {
+        return false;
+    }
+    catch (SendMessageTimeoutException)
+    {
+        return false;
+    }
+
+    // If no errors occured the function returns true.
+    return true;
+}
+
+bool SmtpClient::login()
+{
+    return login(user, password, authMethod);
+}
+
+bool SmtpClient::login(const QString &user, const QString &password, AuthMethod method)
+{
+    try {
+        if (method == AuthPlain)
+        {
+            // Sending command: AUTH PLAIN base64('\0' + username + '\0' + password)
+            sendMessage("AUTH PLAIN " + QByteArray().append((char) 0).append(user).append((char) 0).append(password).toBase64());
+
+            // Wait for the server's response
+            waitForResponse();
+
+            // If the response is not 235 then the authentication was faild
+            if (responseCode != 235)
+            {
+                emit smtpError(AuthenticationFailedError);
+                return false;
+            }
+        }
+        else if (method == AuthLogin)
+        {
+            // Sending command: AUTH LOGIN
+            sendMessage("AUTH LOGIN");
+
+            // Wait for 334 response code
+            waitForResponse();
+            if (responseCode != 334) { emit smtpError(AuthenticationFailedError); return false; }
+
+            // Send the username in base64
+            sendMessage(QByteArray().append(user).toBase64());
+
+            // Wait for 334
+            waitForResponse();
+            if (responseCode != 334) { emit smtpError(AuthenticationFailedError); return false; }
+
+            // Send the password in base64
+            sendMessage(QByteArray().append(password).toBase64());
+
+            // Wait for the server's responce
+            waitForResponse();
+
+            // If the response is not 235 then the authentication was faild
+            if (responseCode != 235)
+            {
+                emit smtpError(AuthenticationFailedError);
+                return false;
+            }
+        }
+    }
+    catch (ResponseTimeoutException e)
+    {
+        // Responce Timeout exceeded
+        emit smtpError(AuthenticationFailedError);
+        return false;
+    }
+    catch (SendMessageTimeoutException)
+    {
+	// Send Timeout exceeded
+        emit smtpError(AuthenticationFailedError);
+        return false;
+    }
+
+    return true;
+}
+
+bool SmtpClient::sendMail(MimeMessage& email)
+{
+    try
+    {
+        // Send the MAIL command with the sender
+        sendMessage("MAIL FROM: <" + email.getSender().getAddress() + ">");
+
+        waitForResponse();
+
+        if (responseCode != 250) return false;
+
+        // Send RCPT command for each recipient
+        QList<EmailAddress*>::const_iterator it, itEnd;
+        // To (primary recipients)
+        for (it = email.getRecipients().begin(), itEnd = email.getRecipients().end();
+             it != itEnd; ++it)
+        {
+            sendMessage("RCPT TO: <" + (*it)->getAddress() + ">");
+            waitForResponse();
+
+            if (responseCode != 250) return false;
+        }
+
+        // Cc (carbon copy)
+        for (it = email.getRecipients(MimeMessage::Cc).begin(), itEnd = email.getRecipients(MimeMessage::Cc).end();
+             it != itEnd; ++it)
+        {
+            sendMessage("RCPT TO: <" + (*it)->getAddress() + ">");
+            waitForResponse();
+
+            if (responseCode != 250) return false;
+        }
+
+        // Bcc (blind carbon copy)
+        for (it = email.getRecipients(MimeMessage::Bcc).begin(), itEnd = email.getRecipients(MimeMessage::Bcc).end();
+             it != itEnd; ++it)
+        {
+            sendMessage("RCPT TO: <" + (*it)->getAddress() + ">");
+            waitForResponse();
+
+            if (responseCode != 250) return false;
+        }
+
+        // Send DATA command
+        sendMessage("DATA");
+        waitForResponse();
+
+        if (responseCode != 354) return false;
+
+        sendMessage(email.toString());
+
+        // Send \r\n.\r\n to end the mail data
+        sendMessage(".");
+
+        waitForResponse();
+
+        if (responseCode != 250) return false;
+    }
+    catch (ResponseTimeoutException)
+    {
+        return false;
+    }
+    catch (SendMessageTimeoutException)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+void SmtpClient::quit()
+{
+    sendMessage("QUIT");
+}
+
+/* [3] --- */
+
+
+/* [4] Protected methods */
+
+void SmtpClient::waitForResponse() throw (ResponseTimeoutException)
+{
+    do {
+        if (!socket->waitForReadyRead(responseTimeout))
+        {
+            emit smtpError(ResponseTimeoutError);
+            throw ResponseTimeoutException();
+        }
+
+        while (socket->canReadLine()) {
+            // Save the server's response
+            responseText = socket->readLine();
+
+            // Extract the respose code from the server's responce (first 3 digits)
+            responseCode = responseText.left(3).toInt();
+
+            if (responseCode / 100 == 4)
+                emit smtpError(ServerError);
+
+            if (responseCode / 100 == 5)
+                emit smtpError(ClientError);
+
+            if (responseText[3] == ' ') { return; }
+        }
+    } while (true);
+}
+
+void SmtpClient::sendMessage(const QString &text) throw (SendMessageTimeoutException)
+{
+    socket->write(text.toUtf8() + "\r\n");
+    if (! socket->waitForBytesWritten(sendMessageTimeout))
+    {
+      emit smtpError(SendDataTimeoutError);
+      throw SendMessageTimeoutException();
+    }
+}
+
+/* [4] --- */
+
+
+/* [5] Slots for the socket's signals */
+
+void SmtpClient::socketStateChanged(QAbstractSocket::SocketState state)
+{
+}
+
+void SmtpClient::socketError(QAbstractSocket::SocketError socketError)
+{
+}
+
+void SmtpClient::socketReadyRead()
+{
+}
+
+/* [5] --- */
+
+
+
+

servatrice/src/smtp/smtpclient.h

@@ -0,0 +1,184 @@
+/*
+  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 */
+
+    SmtpClient(const QString & host = "localhost", int port = 25, ConnectionType ct = TcpConnection);
+
+    ~SmtpClient();
+
+    /* [1] --- */
+
+
+    /* [2] Getters and Setters */
+
+    const QString& getHost() const;
+    void setHost(const QString &host);
+
+    int getPort() const;
+    void setPort(int port);
+
+    const QString& getName() const;
+    void setName(const QString &name);
+
+    ConnectionType getConnectionType() const;
+    void setConnectionType(ConnectionType ct);
+
+    const QString & getUser() const;
+    void setUser(const QString &user);
+
+    const QString & getPassword() const;
+    void setPassword(const QString &password);
+
+    SmtpClient::AuthMethod getAuthMethod() const;
+    void setAuthMethod(AuthMethod method);
+
+    const QString & getResponseText() const;
+    int getResponseCode() const;
+
+    int getConnectionTimeout() const;
+    void setConnectionTimeout(int msec);
+
+    int getResponseTimeout() const;
+    void setResponseTimeout(int msec);
+    
+    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 {};
+    class SendMessageTimeoutException {};
+
+    /* [4] --- */
+
+
+    /* [5] Protected methods */
+
+    void waitForResponse() throw (ResponseTimeoutException);
+
+    void sendMessage(const QString &text) throw (SendMessageTimeoutException);
+
+    /* [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

servatrice/src/smtp/smtpexports.h

@@ -0,0 +1,10 @@
+#ifndef SMTPEXPORTS_H
+#define SMTPEXPORTS_H
+
+#ifdef SMTP_BUILD
+#define SMTP_EXPORT Q_DECL_EXPORT
+#else
+#define SMTP_EXPORT Q_DECL_IMPORT
+#endif
+
+#endif // SMTPEXPORTS_H