/usr/include/Poco/Net/MailStream.h is in libpoco-dev 1.3.6p1-4.
This file is owned by root:root, with mode 0o644.
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// MailStream.h
//
// $Id: //poco/1.3/Net/include/Poco/Net/MailStream.h#1 $
//
// Library: Net
// Package: Mail
// Module: MailStream
//
// Definition of the MailStream class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Net_MailStream_INCLUDED
#define Net_MailStream_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/UnbufferedStreamBuf.h"
#include <istream>
#include <ostream>
namespace Poco {
namespace Net {
class Net_API MailStreamBuf: public Poco::UnbufferedStreamBuf
/// The sole purpose of this stream buffer is to replace
/// a "\r\n.\r\n" character sequence with a "\r\n..\r\n" sequence for
/// output streams and vice-versa for input streams.
///
/// This is used when sending mail messages to SMTP servers, or
/// receiving mail messages from POP servers.
///
/// See RFC 2181 (Simple Mail Transfer Protocol) and RFC 1939
/// (Post Office Protocol - Version 3) for more information.
{
public:
MailStreamBuf(std::istream& istr);
/// Creates the MailStreamBuf and connects it
/// to the given input stream.
MailStreamBuf(std::ostream& ostr);
/// Creates the MailStreamBuf and connects it
/// to the given output stream.
~MailStreamBuf();
/// Destroys the MailStreamBuf.
void close();
/// Writes the terminating period, followed by
/// CR-LF.
protected:
int readFromDevice();
int writeToDevice(char c);
int readOne();
private:
enum State
{
ST_DATA,
ST_CR,
ST_CR_LF,
ST_CR_LF_DOT,
ST_CR_LF_DOT_DOT,
ST_CR_LF_DOT_CR,
ST_CR_LF_DOT_CR_LF
};
std::istream* _pIstr;
std::ostream* _pOstr;
std::string _buffer;
State _state;
};
class Net_API MailIOS: public virtual std::ios
/// The base class for MailInputStream and MailOutputStream.
///
/// This class provides common methods and is also needed to ensure
/// the correct initialization order of the stream buffer and base classes.
{
public:
MailIOS(std::istream& istr);
/// Creates the MailIOS and connects it
/// to the given input stream.
MailIOS(std::ostream& ostr);
/// Creates the MailIOS and connects it
/// to the given output stream.
~MailIOS();
/// Destroys the stream.
void close();
/// Writes the terminating period, followed by
/// CR-LF.
MailStreamBuf* rdbuf();
/// Returns a pointer to the underlying streambuf.
protected:
MailStreamBuf _buf;
};
class Net_API MailInputStream: public MailIOS, public std::istream
/// This class is used for reading E-Mail messages from a
/// POP3 server. All occurences of "\r\n..\r\n" are replaced with
/// "\r\n.\r\n". The first occurence of "\r\n.\r\n" denotes the end
/// of the stream.
{
public:
MailInputStream(std::istream& istr);
/// Creates the MailInputStream and connects it
/// to the given input stream.
~MailInputStream();
/// Destroys the MailInputStream.
};
class Net_API MailOutputStream: public MailIOS, public std::ostream
/// This class is used for writing E-Mail messages to a
/// SMTP server. All occurences of "\r\n.\r\n" are replaced with
/// "\r\n..\r\n".
{
public:
MailOutputStream(std::ostream& ostr);
/// Creates the MailOutputStream and connects it
/// to the given input stream.
~MailOutputStream();
/// Destroys the MailOutputStream.
};
} } // namespace Poco::Net
#endif // Net_MailStream_INCLUDED
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