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email.cpp

/*
 * Purpose: wxWindows email implementation
 * Author:  Frank Buß
 * Created: 2002
 */

#include "email.h"
#include "Base64.h"


wxEmailMessage::wxEmailMessage(const wxString& subject, const wxString& text, const wxString& from) :
    m_subject(subject),
    m_text(text),
    m_from(from)
{
}

const wxString& wxEmailMessage::GetFrom()
{
    return m_from;
}

void wxEmailMessage::AddRecipient(const wxString& address)
{
    m_rcptArray.Add(address);
}

void wxEmailMessage::AddTo(const wxString& address)
{
    m_toArray.Add(address);
}

void wxEmailMessage::AddCc(const wxString& address)
{
    m_ccArray.Add(address);
}

void wxEmailMessage::AddBcc(const wxString& address)
{
    m_bccArray.Add(address);
}

void wxEmailMessage::AddFile(const wxFileName& fileName, const wxString mimeMainType, const wxString mimeSubType)
{
    // add new entry
    m_mimeParts.Add(wxMimePart(fileName));
}

wxRecipientsIterator wxEmailMessage::GetRecipientsIterator()
{
    return wxRecipientsIterator(*this);
}

void wxEmailMessage::Encode(wxOutputStream& out)
{
    // TODO: use only MIME if neccessary
    wxString header;
    wxString cr("\x00d\x00a");
    // TODO: calculate a more random boundary
    wxString boundary("---_0123456789-boundary-9876543210_---");
    wxString boundarySep = "--" + boundary + cr;
    header << "From: " << m_from << cr;
    // TODO: add to, cc and bcc in the right format with line breaking, if too long
    header << "Bcc:" << cr
           << "Subject: " << m_subject << cr  // TODO: add Date:
           << "MIME-Version: 1.0" << cr
           << "Content-Type: multipart/mixed; boundary=\"" << boundary << "\"" << cr
           << cr
           << cr
           << "This is a multi-part message in MIME format" << cr
           << cr
           << boundarySep
           << "Content-Type: text/plain; charset=iso-8859-1" << cr
           << "Content-Transfer-Encoding: 8bit" << cr
           << cr
           << m_text << cr;  // TODO: is it possible in MIME message to have a single '.' on a line?
    out.Write((const char*) header, header.Length());
    for (size_t i = 0; i < m_mimeParts.GetCount(); i++) {
        out.Write((const char*) boundarySep, boundarySep.Length());
        m_mimeParts[i].Encode(out);
    }
    wxString footer = "--" + boundary + "--" + cr + "." + cr;  // TODO: perhaps moving the '.\r\n' sequence to another place
    out.Write((const char*) footer, footer.Length());
}

wxRecipientsIterator::wxRecipientsIterator(const wxEmailMessage& emailMessage) :
    m_emailMessage(emailMessage)
{
    m_rcptCount = 0;
    m_toCount = 0;
    m_ccCount = 0;
    m_bccCount = 0;
}

bool wxRecipientsIterator::HasNext()
{
    if (m_rcptCount < m_emailMessage.m_rcptArray.GetCount() ||
        m_toCount < m_emailMessage.m_toArray.GetCount() ||
        m_ccCount < m_emailMessage.m_ccArray.GetCount() ||
        m_bccCount < m_emailMessage.m_bccArray.GetCount())
    {
        return true;
    }
    return false;
}

wxString wxRecipientsIterator::GetNext()
{
    if (m_rcptCount < m_emailMessage.m_rcptArray.GetCount()) {
        return m_emailMessage.m_rcptArray[m_rcptCount++];
    } else if (m_toCount < m_emailMessage.m_toArray.GetCount()) {
        return m_emailMessage.m_toArray[m_toCount++];
    } else if (m_ccCount < m_emailMessage.m_ccArray.GetCount()) {
        return m_emailMessage.m_ccArray[m_ccCount++];
    } else if (m_bccCount < m_emailMessage.m_bccArray.GetCount()) {
        return m_emailMessage.m_bccArray[m_bccCount++];
    }
    return "";
}

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