Version 1.1 beta

SMTPEmail.pro

@@ -19,7 +19,11 @@ SOURCES += \
     src/mimemessage.cpp \
     src/mimepart.cpp \
     src/mimetext.cpp \
-    src/smtpclient.cpp
+    src/smtpclient.cpp \
+    src/quotedprintable.cpp \
+    src/mimemultipart.cpp \
+    test.cpp \
+    src/mimecontentformatter.cpp
 
 HEADERS  += \
     src/emailaddress.h \
@@ -31,7 +35,10 @@ HEADERS  += \
     src/mimepart.h \
     src/mimetext.h \
     src/smtpclient.h \
-    src/SmtpMime
+    src/SmtpMime \
+    src/quotedprintable.h \
+    src/mimemultipart.h \
+    src/mimecontentformatter.h
 
 OTHER_FILES += \
     LICENSE \

src/mimecontentformatter.cpp

@@ -0,0 +1,44 @@
+#include "mimecontentformatter.h"
+
+MimeContentFormatter::MimeContentFormatter(int max_length) :
+    max_length(max_length)
+{}
+
+QString MimeContentFormatter::format(const QString &content, bool quotedPrintable) {
+
+    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;
+}

src/mimecontentformatter.h

@@ -0,0 +1,22 @@
+#ifndef MIMECONTENTFORMATTER_H
+#define MIMECONTENTFORMATTER_H
+
+#include <QObject>
+#include <QByteArray>
+
+class MimeContentFormatter : public QObject
+{
+    Q_OBJECT
+public:
+    MimeContentFormatter (int max_length = 76);
+
+    void setMaxLength(int l);
+
+    QString format(const QString &content, bool quotedPrintable = false);
+
+protected:
+    int max_length;
+
+};
+
+#endif // MIMECONTENTFORMATTER_H

src/mimemessage.cpp

@@ -18,12 +18,15 @@
 
 #include <QDateTime>
 #include "quotedprintable.h"
+#include <typeinfo>
 
 /* [1] Constructors and Destructors */
 
-MimeMessage::MimeMessage() :
+MimeMessage::MimeMessage(bool createAutoMimeContent) :
     hEncoding(MimePart::_8Bit)
 {
+    if (createAutoMimeContent)
+        this->content = new MimeMultiPart();
 }
 
 MimeMessage::~MimeMessage()
@@ -41,9 +44,32 @@ void MimeMessage::setSender(EmailAddress* e)
     this->sender = e;
 }
 
-void MimeMessage::addRecipient(EmailAddress* rcpt)
+void MimeMessage::addRecipient(EmailAddress* rcpt, RecipientType type)
 {
-    this->recipients << rcpt;
+    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)
@@ -53,7 +79,9 @@ void MimeMessage::setSubject(const QString & subject)
 
 void MimeMessage::addPart(MimePart *part)
 {
-    this->parts << part;
+    if (typeid(*content) == typeid(MimeMultiPart)) {
+        ((MimeMultiPart*) content)->addPart(part);
+    };
 }
 
 void MimeMessage::setHeaderEncoding(MimePart::Encoding hEnc)
@@ -66,9 +94,18 @@ const EmailAddress & MimeMessage::getSender() const
     return *sender;
 }
 
-const QList<EmailAddress*> & MimeMessage::getRecipients() const
+const QList<EmailAddress*> & MimeMessage::getRecipients(RecipientType type) const
 {
-    return recipients;
+    switch (type)
+    {
+    default:
+    case To:
+        return recipientsTo;
+    case Cc:
+        return recipientsCc;
+    case Bcc:
+        return recipientsBcc;
+    }
 }
 
 const QString & MimeMessage::getSubject() const
@@ -78,7 +115,15 @@ const QString & MimeMessage::getSubject() const
 
 const QList<MimePart*> & MimeMessage::getParts() const
 {
-    return parts;
+    if (typeid(content) == typeid(MimeMultiPart)) {
+        return static_cast<MimeMultiPart*>(content)->getParts();
+    }
+    else {
+        QList<MimePart*> *res = new QList<MimePart*>();
+        res->append(content);
+        return *res;
+    }
+
 }
 
 /* [2] --- */
@@ -113,10 +158,11 @@ QString MimeMessage::toString()
 
 
     /* ------- Recipients / To ---------- */    
-    QList<EmailAddress*>::iterator it;
-    for (it = recipients.begin(); it != recipients.end(); ++it)
-    {
     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() != "")
         {
@@ -132,13 +178,40 @@ QString MimeMessage::toString()
                 mime += " " + (*it)->getName();
             }
         }
-        mime += " <" + (*it)->getAddress() + ">\r\n";
+        mime += " <" + (*it)->getAddress() + ">";
     }
+    mime += "\r\n";
+    /* ---------------------------------- */
+
+    /* ------- Recipients / Cc ---------- */
+    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() + ">";
+    }
+    mime += "\r\n";
     /* ---------------------------------- */
 
     /* ------------ Subject ------------- */
     mime += "Subject: ";
 
+
     switch (hEncoding)
     {
     case MimePart::Base64:
@@ -153,26 +226,9 @@ QString MimeMessage::toString()
     /* ---------------------------------- */
 
     mime += "\r\n";
-
-    QString boundary = "----MIME-part-boundary=" + QByteArray().append(QDateTime::currentDateTime().toString()).toBase64() + "-end";
-
     mime += "MIME-Version: 1.0\r\n";
-    mime += "Content-type: multipart/mixed; boundary=\"" + boundary + "\"\r\n\r\n";
-
-    /* ====== END OF MIME HEADER ======== */
-
-    boundary = "--" + boundary;
-
-    /* ========== MIME BODY ============= */
-
-    QList<MimePart*>::iterator i;
-    for (i = parts.begin(); i != parts.end(); ++i)
-        mime += boundary + "\r\n" + (*i)->toString();
-
-    mime += boundary + "--\r\n";
-
-    /* ====== END OF MIME BODY ========= */
 
+    mime += content->toString();
     return mime;
 }
 

src/mimemessage.h

@@ -18,6 +18,7 @@
 #define MIMEMESSAGE_H
 
 #include "mimepart.h"
+#include "mimemultipart.h"
 #include "emailaddress.h"
 #include <QList>
 
@@ -25,9 +26,15 @@ class MimeMessage : public QObject
 {
 public:
 
+    enum RecipientType {
+        To,                 // primary
+        Cc,                 // carbon copy
+        Bcc                 // blind carbon copy
+    };
+
     /* [1] Constructors and Destructors */
 
-    MimeMessage();
+    MimeMessage(bool createAutoMimeConent = true);
     ~MimeMessage();
 
     /* [1] --- */
@@ -36,14 +43,17 @@ public:
     /* [2] Getters and Setters */
 
     void setSender(EmailAddress* e);
-    void addRecipient(EmailAddress* rcpt);
+    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() const;
+    const QList<EmailAddress*> & getRecipients(RecipientType type = To) const;
     const QString & getSubject() const;
     const QList<MimePart*> & getParts() const;
 
@@ -61,9 +71,9 @@ protected:
     /* [4] Protected members */
 
     EmailAddress* sender;
-    QList<EmailAddress*> recipients;
+    QList<EmailAddress*> recipientsTo, recipientsCc, recipientsBcc;
     QString subject;
-    QList<MimePart*> parts;
+    MimePart *content;
 
     MimePart::Encoding hEncoding;
 

src/mimemultipart.cpp

@@ -0,0 +1,52 @@
+#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;
+
+    qsrand(QTime::currentTime().msec());
+    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();
+}

src/mimemultipart.h

@@ -0,0 +1,69 @@
+/*
+  Copyright (c) 2012 - Tőkés Attila (tokes_atti@yahoo.com)
+
+  This file is part of SmtpClient for Qt.
+
+  SmtpClient for Qt is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 2 of the License, or
+  (at your option) any later version.
+
+  SmtpClient for Qt is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY.
+
+  See the LICENSE file for more details.
+*/
+
+#ifndef MIMEMULTIPART_H
+#define MIMEMULTIPART_H
+
+#include "mimepart.h"
+
+class 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 */
+
+    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

src/mimepart.cpp

@@ -23,6 +23,7 @@ MimePart::MimePart()
 {
     cEncoding = _7Bit;
     prepared = false;
+    cBoundary = "";
 }
 
 MimePart::~MimePart()
@@ -47,7 +48,7 @@ void MimePart::setHeader(const QString & header)
 
 void MimePart::addHeaderLine(const QString & line)
 {
-    this->header += line;
+    this->header += line + "\r\n";
 }
 
 const QString& MimePart::getHeader() const
@@ -143,6 +144,9 @@ void MimePart::prepare()
     if (cCharset != "")
         mimeString.append("; charset=").append(cCharset);
 
+    if (cBoundary != "")
+        mimeString.append("; boundary=").append(cBoundary);
+
     mimeString.append("\r\n");
     /* ------------ */
 
@@ -170,14 +174,15 @@ void MimePart::prepare()
         mimeString.append("Content-ID: <").append(cId).append(">\r\n");
     /* ---------- */
 
-
-    /* ------------------------- */
+    /* Addition header lines */
 
     mimeString.append(header).append("\r\n");
 
+    /* ------------------------- */
+
     /* === End of Header Prepare === */
 
-    /* === Content Encoding === */
+    /* === Content === */
     switch (cEncoding)
     {
     case _7Bit:
@@ -187,14 +192,14 @@ void MimePart::prepare()
         mimeString.append(content);
         break;
     case Base64:
-        mimeString.append(content.toBase64());
+        mimeString.append(formatter.format(content.toBase64()));
         break;
     case QuotedPrintable:
-        mimeString.append(QuotedPrintable::encode(content));
+        mimeString.append(formatter.format(QuotedPrintable::encode(content), true));
         break;
     }
     mimeString.append("\r\n");
-    /* === End of Content Encoding === */
+    /* === End of Content === */
 
     prepared = true;
 }

src/mimepart.h

@@ -18,6 +18,7 @@
 #define MIMEPART_H
 
 #include <QObject>
+#include "mimecontentformatter.h"
 
 class MimePart : public QObject
 {
@@ -93,11 +94,14 @@ protected:
     QString cName;
     QString cType;
     QString cCharset;
+    QString cBoundary;
     Encoding cEncoding;
 
     QString mimeString;
     bool prepared;
 
+    MimeContentFormatter formatter;
+
     /* [4] --- */
 };
 

src/smtpclient.cpp

@@ -267,9 +267,32 @@ bool SmtpClient::sendMail(MimeMessage& email)
         if (responseCode != 250) return false;
 
         // Send RCPT command for each recipient
-        for (int i = 0; i < email.getRecipients().size(); ++i)
+        QList<EmailAddress*>::const_iterator it, itEnd;
+        // To (primary recipients)
+        for (it = email.getRecipients().begin(), itEnd = email.getRecipients().end();
+             it != itEnd; ++it)
         {
-            sendMessage("RCPT TO: <" + email.getRecipients().at(i)->getAddress() + ">");
+            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;