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https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
//
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// MailStream.h
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//
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// Library: Net
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// Package: Mail
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// Module: MailStream
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//
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// Definition of the MailStream class.
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Net_MailStream_INCLUDED
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#define Net_MailStream_INCLUDED
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#include "Poco/Net/Net.h"
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#include "Poco/UnbufferedStreamBuf.h"
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#include <istream>
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#include <ostream>
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namespace Poco {
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namespace Net {
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class Net_API MailStreamBuf: public Poco::UnbufferedStreamBuf
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/// The sole purpose of this stream buffer is to replace
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/// a "\r\n.\r\n" character sequence with a "\r\n..\r\n" sequence for
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/// output streams and vice-versa for input streams.
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///
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/// This is used when sending mail messages to SMTP servers, or
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/// receiving mail messages from POP servers.
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///
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/// See RFC 2181 (Simple Mail Transfer Protocol) and RFC 1939
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/// (Post Office Protocol - Version 3) for more information.
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{
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public:
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MailStreamBuf(std::istream& istr);
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/// Creates the MailStreamBuf and connects it
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/// to the given input stream.
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MailStreamBuf(std::ostream& ostr);
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/// Creates the MailStreamBuf and connects it
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/// to the given output stream.
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~MailStreamBuf();
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/// Destroys the MailStreamBuf.
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void close();
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/// Writes the terminating period, followed by
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/// CR-LF.
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protected:
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int readFromDevice();
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int writeToDevice(char c);
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int readOne();
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private:
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enum State
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{
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ST_DATA,
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ST_CR,
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ST_CR_LF,
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ST_CR_LF_DOT,
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ST_CR_LF_DOT_DOT,
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ST_CR_LF_DOT_CR,
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ST_CR_LF_DOT_CR_LF
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};
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std::istream* _pIstr;
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std::ostream* _pOstr;
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std::string _buffer;
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State _state;
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};
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class Net_API MailIOS: public virtual std::ios
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/// The base class for MailInputStream and MailOutputStream.
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///
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/// This class provides common methods and is also needed to ensure
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/// the correct initialization order of the stream buffer and base classes.
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{
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public:
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MailIOS(std::istream& istr);
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/// Creates the MailIOS and connects it
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/// to the given input stream.
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MailIOS(std::ostream& ostr);
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/// Creates the MailIOS and connects it
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/// to the given output stream.
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~MailIOS();
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/// Destroys the stream.
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void close();
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/// Writes the terminating period, followed by
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/// CR-LF.
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MailStreamBuf* rdbuf();
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/// Returns a pointer to the underlying streambuf.
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protected:
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MailStreamBuf _buf;
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};
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class Net_API MailInputStream: public MailIOS, public std::istream
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/// This class is used for reading E-Mail messages from a
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/// POP3 server. All occurrences of "\r\n..\r\n" are replaced with
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/// "\r\n.\r\n". The first occurrence of "\r\n.\r\n" denotes the end
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/// of the stream.
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{
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public:
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MailInputStream(std::istream& istr);
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/// Creates the MailInputStream and connects it
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/// to the given input stream.
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~MailInputStream();
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/// Destroys the MailInputStream.
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};
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class Net_API MailOutputStream: public MailIOS, public std::ostream
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/// This class is used for writing E-Mail messages to a
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/// SMTP server. All occurrences of "\r\n.\r\n" are replaced with
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/// "\r\n..\r\n".
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{
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public:
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MailOutputStream(std::ostream& ostr);
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/// Creates the MailOutputStream and connects it
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/// to the given input stream.
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~MailOutputStream();
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/// Destroys the MailOutputStream.
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};
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} } // namespace Poco::Net
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#endif // Net_MailStream_INCLUDED
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