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/* $Id: attach.cpp,v 1.10 2004/08/19 14:52:29 terpstra Exp $
*
* attach.cpp - Handle a attach/ command
*
* Copyright (C) 2002 - Wesley W. Terpstra
*
* License: GPL
*
* Authors: 'Wesley W. Terpstra' <wesley@terpstra.ca>
*
* This program 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; version 2.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _XOPEN_SOURCE 500
#define _FILE_OFFSET_BITS 64
#include <mimelib/message.h>
#include <mimelib/headers.h>
#include <mimelib/bodypart.h>
#include <mimelib/body.h>
#include <mimelib/enum.h>
#include <mimelib/mediatyp.h>
#include <mimelib/utility.h>
#include "commands.h"
#include "Summary.h"
#include <iostream>
using std::cout;
DwEntity& attach_find(DwEntity& e, long& x)
{
// We are the requested entity.
if (--x == 0) return e;
// if (e.hasHeaders() &&
if (e.Headers().HasContentType())
{
DwMediaType& t = e.Headers().ContentType();
switch (t.Type())
{
case DwMime::kTypeMessage:
if (e.Body().Message())
return attach_find(*e.Body().Message(), x);
break;
case DwMime::kTypeMultipart:
for (DwBodyPart* p = e.Body().FirstBodyPart(); p != 0; p = p->Next())
{
DwEntity& o = attach_find(*p, x);
if (x == 0) return o;
}
break;
}
}
return e;
}
string unfold_header(const char* hdr)
{
string out;
while (*hdr != 0)
{
if (*hdr == '\r' || *hdr == '\n' || *hdr == '\t')
out += ' ';
else out += *hdr;
++hdr;
}
return out;
}
int handle_attach(const Config& cfg, ESort::Reader* db, const string& param)
{
string::size_type o = param.find('@');
long n = atol(param.c_str());
if (!cfg.raw_email)
error(_("Permission Denied"), param,
_("Access to mail attachments has been disabled. "
"Contact the site administrator if this is a problem."));
if (o == string::npos || n <= 0 ||
!MessageId::is_full(param.c_str()+o+1))
error(_("Bad request"), param,
_("The given parameter was not of the correct format. "
"An attach request must be formatted like: "
"attach/id@YYYYMMDD.HHMMSS.hashcode.xml where id "
"is the number of the attachment."));
MessageId id(param.c_str()+o+1);
string ok;
Summary source(id);
if ((ok = source.load(db, cfg)) != "")
error(_("Database attach source pull failure"), ok,
_("The specified message does not exist."));
DwMessage message;
if ((ok = source.message(cfg.dbdir, message)) != "")
error(_("MBox read failure"), ok,
_("Unable to open message in the mailbox. "
"Perhaps it has been deleted or moved?"));
DwEntity& e = attach_find(message, n);
// Cannot cache an attachment because they have strange content-type
cout << "Status: 200 OK\r\n"
<< "Content-Type: ";
// if (e.hasHeaders() &&
if (e.Headers().HasContentType())
cout << unfold_header(
e.Headers().ContentType().AsString().c_str());
else cout << "text/plain";
cout << "\r\n\r\n";
DwString out;
// if (e.hasHeaders() &&
if (e.Headers().HasContentTransferEncoding())
{
switch (e.Headers().ContentTransferEncoding().AsEnum())
{
case DwMime::kCteQuotedPrintable:
DwDecodeQuotedPrintable(e.Body().AsString(), out);
break;
case DwMime::kCteBase64:
DwDecodeBase64(e.Body().AsString(), out);
break;
case DwMime::kCteNull:
case DwMime::kCteUnknown:
case DwMime::kCte7bit:
case DwMime::kCte8bit:
case DwMime::kCteBinary:
out = e.Body().AsString();
break;
}
}
else
{
out = e.Body().AsString();
}
cout.write(out.c_str(), out.length());
return 0;
}
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