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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/types.h>
#include <osl/thread.h>
#include <tools/datetime.hxx>
#include <tools/inetmime.hxx>
#include <tools/inetmsg.hxx>
#include <tools/inetstrm.hxx>
#include <tools/contnr.hxx>
#include <rtl/instance.hxx>
#include <comphelper/string.hxx>
#include <stdio.h>
#include <map>
inline bool ascii_isDigit( sal_Unicode ch )
{
return ((ch >= 0x0030) && (ch <= 0x0039));
}
inline bool ascii_isLetter( sal_Unicode ch )
{
return (( (ch >= 0x0041) && (ch <= 0x005A)) || ((ch >= 0x0061) && (ch <= 0x007A)));
}
void INetMIMEMessage::SetHeaderField_Impl (
const OString &rName,
const OUString &rValue,
sal_uIntPtr &rnIndex)
{
INetMIMEOutputSink aSink;
INetMIME::writeHeaderFieldBody (
aSink, rValue, osl_getThreadTextEncoding());
SetHeaderField_Impl (
INetMessageHeader (rName, aSink.takeBuffer()), rnIndex);
}
/* ParseDateField and local helper functions.
*
* Parses a String in (implied) GMT format into class Date and tools::Time objects.
* Four formats are accepted:
*
* [Wkd,] 1*2DIGIT Mon 2*4DIGIT 00:00:00 [GMT] (rfc1123)
* [Wkd,] 00 Mon 0000 00:00:00 [GMT]) (rfc822, rfc1123)
* Weekday, 00-Mon-00 00:00:00 [GMT] (rfc850, rfc1036)
* Wkd Mon 00 00:00:00 0000 [GMT] (ctime)
* 1*DIGIT (delta seconds)
*/
static const sal_Char *months[12] =
{
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
static sal_uInt16 ParseNumber(const OString& rStr, sal_uInt16& nIndex)
{
sal_uInt16 n = nIndex;
while ((n < rStr.getLength()) && ascii_isDigit(rStr[n])) n++;
OString aNum(rStr.copy(nIndex, (n - nIndex)));
nIndex = n;
return (sal_uInt16)(aNum.toInt32());
}
static sal_uInt16 ParseMonth(const OString& rStr, sal_uInt16& nIndex)
{
sal_uInt16 n = nIndex;
while ((n < rStr.getLength()) && ascii_isLetter(rStr[n])) n++;
OString aMonth(rStr.copy(nIndex, 3));
nIndex = n;
sal_uInt16 i;
for (i = 0; i < 12; i++)
if (aMonth.equalsIgnoreAsciiCase(months[i])) break;
return (i + 1);
}
bool INetMIMEMessage::ParseDateField (
const OUString& rDateFieldW, DateTime& rDateTime)
{
OString aDateField(OUStringToOString(rDateFieldW,
RTL_TEXTENCODING_ASCII_US));
if (aDateField.isEmpty()) return false;
if (aDateField.indexOf(':') != -1)
{
// Some DateTime format.
sal_uInt16 nIndex = 0;
// Skip over <Wkd> or <Weekday>, leading and trailing space.
while ((nIndex < aDateField.getLength()) &&
(aDateField[nIndex] == ' '))
nIndex++;
while (
(nIndex < aDateField.getLength()) &&
(ascii_isLetter (aDateField[nIndex]) ||
(aDateField[nIndex] == ',') ))
nIndex++;
while ((nIndex < aDateField.getLength()) &&
(aDateField[nIndex] == ' '))
nIndex++;
if (ascii_isLetter (aDateField[nIndex]))
{
// Format: ctime().
if ((aDateField.getLength() - nIndex) < 20) return false;
rDateTime.SetMonth (ParseMonth (aDateField, nIndex)); nIndex++;
rDateTime.SetDay (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetHour (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetMin (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetSec (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetNanoSec (0);
sal_uInt16 nYear = ParseNumber (aDateField, nIndex);
if (nYear < 100) nYear += 1900;
rDateTime.SetYear (nYear);
}
else
{
// Format: RFC1036 or RFC1123.
if ((aDateField.getLength() - nIndex) < 17) return false;
rDateTime.SetDay (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetMonth (ParseMonth (aDateField, nIndex)); nIndex++;
sal_uInt16 nYear = ParseNumber (aDateField, nIndex); nIndex++;
if (nYear < 100) nYear += 1900;
rDateTime.SetYear (nYear);
rDateTime.SetHour (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetMin (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetSec (ParseNumber (aDateField, nIndex)); nIndex++;
rDateTime.SetNanoSec (0);
const char cPossiblePlusMinus = nIndex < aDateField.getLength() ? aDateField[nIndex] : 0;
if (cPossiblePlusMinus == '+' || cPossiblePlusMinus == '-')
{
// Offset from GMT: "(+|-)HHMM".
bool bEast = (aDateField[nIndex++] == '+');
sal_uInt16 nOffset = ParseNumber (aDateField, nIndex);
if (nOffset > 0)
{
tools::Time aDiff( tools::Time::EMPTY );
aDiff.SetHour (nOffset / 100);
aDiff.SetMin (nOffset % 100);
aDiff.SetSec (0);
aDiff.SetNanoSec (0);
if (bEast)
rDateTime -= aDiff;
else
rDateTime += aDiff;
}
}
}
}
else if (comphelper::string::isdigitAsciiString(aDateField))
{
// Format: delta seconds.
tools::Time aDelta (0);
aDelta.SetTime (aDateField.toInt32() * 100);
DateTime aNow( DateTime::SYSTEM );
aNow += aDelta;
aNow.ConvertToUTC();
rDateTime.SetDate (aNow.GetDate());
rDateTime.SetTime (aNow.GetTime());
}
else
{
// Junk.
return false;
}
return (rDateTime.IsValidAndGregorian() &&
!((rDateTime.GetSec() > 59) ||
(rDateTime.GetMin() > 59) ||
(rDateTime.GetHour() > 23) ));
}
static const std::map<InetMessageMime, const char*> ImplINetMIMEMessageHeaderData =
{
{ InetMessageMime::VERSION, "MIME-Version"},
{ InetMessageMime::CONTENT_DISPOSITION, "Content-Disposition"},
{ InetMessageMime::CONTENT_TYPE, "Content-Type"},
{ InetMessageMime::CONTENT_TRANSFER_ENCODING, "Content-Transfer-Encoding"}
};
INetMIMEMessage::INetMIMEMessage()
: pParent(nullptr)
{
for (sal_uInt16 i = 0; i < static_cast<int>(InetMessageMime::NUMHDR); i++)
m_nMIMEIndex[static_cast<InetMessageMime>(i)] = CONTAINER_ENTRY_NOTFOUND;
}
INetMIMEMessage::~INetMIMEMessage()
{
for (auto i: m_aHeaderList) {
delete i;
}
for (auto i: aChildren) {
delete i;
}
}
void INetMIMEMessage::SetMIMEVersion (const OUString& rVersion)
{
SetHeaderField_Impl (
ImplINetMIMEMessageHeaderData.at(InetMessageMime::VERSION), rVersion,
m_nMIMEIndex[InetMessageMime::VERSION]);
}
void INetMIMEMessage::SetContentDisposition (const OUString& rDisposition)
{
SetHeaderField_Impl (
ImplINetMIMEMessageHeaderData.at(InetMessageMime::CONTENT_DISPOSITION), rDisposition,
m_nMIMEIndex[InetMessageMime::CONTENT_DISPOSITION]);
}
void INetMIMEMessage::SetContentType (const OUString& rType)
{
SetHeaderField_Impl (
ImplINetMIMEMessageHeaderData.at(InetMessageMime::CONTENT_TYPE), rType,
m_nMIMEIndex[InetMessageMime::CONTENT_TYPE]);
}
void INetMIMEMessage::SetContentTransferEncoding (
const OUString& rEncoding)
{
SetHeaderField_Impl (
ImplINetMIMEMessageHeaderData.at(InetMessageMime::CONTENT_TRANSFER_ENCODING), rEncoding,
m_nMIMEIndex[InetMessageMime::CONTENT_TRANSFER_ENCODING]);
}
OUString INetMIMEMessage::GetDefaultContentType()
{
if (pParent != nullptr)
{
OUString aParentCT (pParent->GetContentType());
if (aParentCT.isEmpty())
aParentCT = pParent->GetDefaultContentType();
if (aParentCT.equalsIgnoreAsciiCase("multipart/digest"))
return OUString("message/rfc822");
}
return OUString("text/plain; charset=us-ascii");
}
void INetMIMEMessage::EnableAttachMultipartFormDataChild()
{
// Check context.
if (IsContainer())
return;
// Generate a unique boundary from current time.
sal_Char sTail[16 + 1];
tools::Time aCurTime( tools::Time::SYSTEM );
sal_uInt64 nThis = reinterpret_cast< sal_uIntPtr >( this ); // we can be on a 64bit architecture
nThis = ( ( nThis >> 32 ) ^ nThis ) & SAL_MAX_UINT32;
sprintf (sTail, "%08X%08X",
static_cast< unsigned int >(aCurTime.GetTime()),
static_cast< unsigned int >(nThis));
m_aBoundary = "------------_4D48";
m_aBoundary += sTail;
// Set header fields.
SetMIMEVersion("1.0");
SetContentType(
OUString::fromUtf8("multipart/form-data; boundary=" + m_aBoundary));
SetContentTransferEncoding("7bit");
}
void INetMIMEMessage::AttachChild(INetMIMEMessage& rChildMsg, bool bOwner)
{
if (IsContainer())
{
if (bOwner) rChildMsg.pParent = this;
aChildren.push_back( &rChildMsg );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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