Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.

1 files changed, 466 insertions, 466 deletions

diff --git a/contrib/libs/poco/Net/src/SMTPClientSession.cpp b/contrib/libs/poco/Net/src/SMTPClientSession.cpp
index 35612381ee..78ba2784a7 100644
--- a/contrib/libs/poco/Net/src/SMTPClientSession.cpp
+++ b/contrib/libs/poco/Net/src/SMTPClientSession.cpp
@@ -1,466 +1,466 @@
-//
-// SMTPClientSession.cpp
-//
-// Library: Net
-// Package: Mail
-// Module:  SMTPClientSession
-//
-// Copyright (c) 2005-2008, Applied Informatics Software Engineering GmbH.
-// and Contributors.
-//
-// SPDX-License-Identifier:	BSL-1.0
-//
-
-
-#include "Poco/Net/SMTPClientSession.h"
-#include "Poco/Net/MailMessage.h"
-#include "Poco/Net/MailRecipient.h"
-#include "Poco/Net/MailStream.h"
-#include "Poco/Net/SocketAddress.h"
-#include "Poco/Net/SocketStream.h"
-#include "Poco/Net/NetException.h"
-#include "Poco/Environment.h"
-#include "Poco/Net/NetworkInterface.h"
-#include "Poco/HMACEngine.h"
-#include "Poco/MD5Engine.h"
-#include "Poco/SHA1Engine.h"
-#include "Poco/DigestStream.h"
-#include "Poco/StreamCopier.h"
-#include "Poco/Base64Encoder.h"
-#include "Poco/Base64Decoder.h"
-#include "Poco/String.h"
-#include <sstream>
-#include <fstream>
-#include <iostream>
-
-
-using Poco::DigestEngine;
-using Poco::HMACEngine;
-using Poco::MD5Engine;
-using Poco::SHA1Engine;
-using Poco::DigestOutputStream;
-using Poco::StreamCopier;
-using Poco::Base64Encoder;
-using Poco::Base64Decoder;
-using Poco::Environment;
-
-
-namespace Poco {
-namespace Net {
-
-
-SMTPClientSession::SMTPClientSession(const StreamSocket& socket):
-	_socket(socket),
-	_isOpen(false)
-{
-}
-
-
-SMTPClientSession::SMTPClientSession(const std::string& host, Poco::UInt16 port):
-	_socket(SocketAddress(host, port)),
-	_isOpen(false)
-{
-}
-
-
-SMTPClientSession::~SMTPClientSession()
-{
-	try
-	{
-		close();
-	}
-	catch (...)
-	{
-	}
-}
-
-
-void SMTPClientSession::setTimeout(const Poco::Timespan& timeout)
-{
-	_socket.setReceiveTimeout(timeout);
-}
-
-	
-Poco::Timespan SMTPClientSession::getTimeout() const
-{
-	return _socket.getReceiveTimeout();
-}
-
-
-void SMTPClientSession::login(const std::string& hostname, std::string& response)
-{
-	open();
-	int status = sendCommand("EHLO", hostname, response);
-	if (isPermanentNegative(status))
-		status = sendCommand("HELO", hostname, response);
-	if (!isPositiveCompletion(status)) throw SMTPException("Login failed", response, status);
-}
-
-
-void SMTPClientSession::login(const std::string& hostname)
-{
-	std::string response;
-	login(hostname, response);
-}
-
-
-void SMTPClientSession::login()
-{
-	login(Environment::nodeName());
-}
-
-
-void SMTPClientSession::loginUsingCRAMMD5(const std::string& username, const std::string& password)
-{
-	HMACEngine<MD5Engine> hmac(password);
-	loginUsingCRAM(username, "CRAM-MD5", hmac);
-}
-
-
-void SMTPClientSession::loginUsingCRAMSHA1(const std::string& username, const std::string& password)
-{
-	HMACEngine<SHA1Engine> hmac(password);
-	loginUsingCRAM(username, "CRAM-SHA1", hmac);
-}
-
-
-void SMTPClientSession::loginUsingCRAM(const std::string& username, const std::string& method, Poco::DigestEngine& hmac)
-{
-	std::string response;
-	int status = sendCommand(std::string("AUTH ") + method, response);
-
-	if (!isPositiveIntermediate(status)) throw SMTPException(std::string("Cannot authenticate using ") + method, response, status);
-	std::string challengeBase64 = response.substr(4);
-	
-	std::istringstream istr(challengeBase64);
-	Base64Decoder decoder(istr);
-	std::string challenge;
-	StreamCopier::copyToString(decoder, challenge);
-	
-	hmac.update(challenge);
-	
-	const DigestEngine::Digest& digest = hmac.digest();
-	std::string digestString(DigestEngine::digestToHex(digest));
-	
-	std::string challengeResponse = username + " " + digestString;
-	
-	std::ostringstream challengeResponseBase64;
-	Base64Encoder encoder(challengeResponseBase64);
-	encoder.rdbuf()->setLineLength(0);
-	encoder << challengeResponse;
-	encoder.close();
-	
-	status = sendCommand(challengeResponseBase64.str(), response);
-  	if (!isPositiveCompletion(status)) throw SMTPException(std::string("Login using ") + method + " failed", response, status);  
-}
-
-
-void SMTPClientSession::loginUsingLogin(const std::string& username, const std::string& password)
-{
-	std::string response;
-	int status = sendCommand("AUTH LOGIN", response);
-	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot authenticate using LOGIN", response, status);
-	
-	std::ostringstream usernameBase64;
-	Base64Encoder usernameEncoder(usernameBase64);
-	usernameEncoder.rdbuf()->setLineLength(0);
-	usernameEncoder << username;
-	usernameEncoder.close();
-	
-	std::ostringstream passwordBase64;
-	Base64Encoder passwordEncoder(passwordBase64);
-	passwordEncoder.rdbuf()->setLineLength(0);
-	passwordEncoder << password;
-	passwordEncoder.close();
-	
-	//Server request for username/password not defined could be either
-	//S: login:
-	//C: user_login
-	//S: password:
-	//C: user_password
-	//or
-	//S: password:
-	//C: user_password
-	//S: login:
-	//C: user_login
-	
-	std::string decodedResponse;
-	std::istringstream responseStream(response.substr(4));
-	Base64Decoder responseDecoder(responseStream);
-	StreamCopier::copyToString(responseDecoder, decodedResponse);
-	
-	if (Poco::icompare(decodedResponse, 0, 8, "username") == 0) // username first (md5("Username:"))
-	{
-		status = sendCommand(usernameBase64.str(), response);
-		if (!isPositiveIntermediate(status)) throw SMTPException("Login using LOGIN username failed", response, status);
-		
-		status = sendCommand(passwordBase64.str(), response);
-		if (!isPositiveCompletion(status)) throw SMTPException("Login using LOGIN password failed", response, status);  
-	}
-	else if  (Poco::icompare(decodedResponse, 0, 8, "password") == 0) // password first (md5("Password:"))
-	{
-		status = sendCommand(passwordBase64.str(), response);
-		if (!isPositiveIntermediate(status)) throw SMTPException("Login using LOGIN password failed", response, status);  
-		
-		status = sendCommand(usernameBase64.str(), response);
-		if (!isPositiveCompletion(status)) throw SMTPException("Login using LOGIN username failed", response, status);
-	}
-}
-
-
-void SMTPClientSession::loginUsingPlain(const std::string& username, const std::string& password)
-{
-	std::ostringstream credentialsBase64;
-	Base64Encoder credentialsEncoder(credentialsBase64);
-	credentialsEncoder.rdbuf()->setLineLength(0);
-	credentialsEncoder << '\0' << username << '\0' << password;
-	credentialsEncoder.close();
-
-	std::string response;
-	int status = sendCommand("AUTH PLAIN", credentialsBase64.str(), response);
-	if (!isPositiveCompletion(status)) throw SMTPException("Login using PLAIN failed", response, status);
-}
-
-
-void SMTPClientSession::loginUsingXOAUTH2(const std::string& username, const std::string& password)
-{
-	std::ostringstream credentialsBase64;
-	Base64Encoder credentialsEncoder(credentialsBase64);
-	credentialsEncoder.rdbuf()->setLineLength(0);
-	credentialsEncoder << "user=" << username << "\001auth=Bearer " << password << "\001\001";
-	credentialsEncoder.close();
-
-	std::string response;
-	int status = sendCommand("AUTH XOAUTH2", credentialsBase64.str(), response);
-	if (!isPositiveCompletion(status)) throw SMTPException("Login using XOAUTH2 failed", response, status);
-}
-
-
-void SMTPClientSession::login(LoginMethod loginMethod, const std::string& username, const std::string& password)
-{
-	login(Environment::nodeName(), loginMethod, username, password);
-}
-
-
-void SMTPClientSession::login(const std::string& hostname, LoginMethod loginMethod, const std::string& username, const std::string& password)
-{
-	std::string response;
-	login(hostname, response);
-	
-	if (loginMethod == AUTH_CRAM_MD5)
-	{
-		if (response.find("CRAM-MD5", 0) != std::string::npos)
-		{
-			loginUsingCRAMMD5(username, password);
-		}
-		else throw SMTPException("The mail service does not support CRAM-MD5 authentication", response);
-	}
-	else if (loginMethod == AUTH_CRAM_SHA1)
-	{
-		if (response.find("CRAM-SHA1", 0) != std::string::npos)
-		{
-			loginUsingCRAMSHA1(username, password);
-		}
-		else throw SMTPException("The mail service does not support CRAM-SHA1 authentication", response);
-	}
-	else if (loginMethod == AUTH_LOGIN)
-	{
-		if (response.find("LOGIN", 0) != std::string::npos)
-		{
-			loginUsingLogin(username, password);
-		}
-		else throw SMTPException("The mail service does not support LOGIN authentication", response);
-	}
-	else if (loginMethod == AUTH_PLAIN)
-	{
-		if (response.find("PLAIN", 0) != std::string::npos)
-		{
-			loginUsingPlain(username, password);
-		}
-		else throw SMTPException("The mail service does not support PLAIN authentication", response);
-	}
-	else if (loginMethod == AUTH_XOAUTH2)
-	{
-		if (response.find("XOAUTH2", 0) != std::string::npos)
-		{
-			loginUsingXOAUTH2(username, password);
-		}
-		else throw SMTPException("The mail service does not support XOAUTH2 authentication", response);
-	}
-	else if (loginMethod != AUTH_NONE)
-	{
-		throw SMTPException("The autentication method is not supported");
-	}
-}
-
-
-void SMTPClientSession::open()
-{
-	if (!_isOpen)
-	{
-		std::string response;
-		int status = _socket.receiveStatusMessage(response);
-		if (!isPositiveCompletion(status)) throw SMTPException("The mail service is unavailable", response, status);
-		_isOpen = true;
-	}
-}
-
-
-void SMTPClientSession::close()
-{
-	if (_isOpen)
-	{
-		std::string response;
-		sendCommand("QUIT", response);
-		_socket.close();
-		_isOpen = false;
-	}
-}
-
-
-void SMTPClientSession::sendCommands(const MailMessage& message, const Recipients* pRecipients)
-{
-	std::string response;
-	int status = 0;
-	const std::string& fromField = message.getSender();
-	std::string::size_type emailPos = fromField.find('<');
-	if (emailPos == std::string::npos)
-	{
-		std::string sender("<");
-		sender.append(fromField);
-		sender.append(">");
-		status = sendCommand("MAIL FROM:", sender, response);
-	}
-	else
-	{
-		status = sendCommand("MAIL FROM:", fromField.substr(emailPos, fromField.size() - emailPos), response);
-	}
-
-	if (!isPositiveCompletion(status)) throw SMTPException("Cannot send message", response, status);
-	
-	std::ostringstream recipient;
-	if (pRecipients)
-	{
-		for (Recipients::const_iterator it = pRecipients->begin(); it != pRecipients->end(); ++it)
-		{
-			recipient << '<' << *it << '>';
-			int status2 = sendCommand("RCPT TO:", recipient.str(), response);
-			if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2);
-			recipient.str("");
-		}
-	}
-	else
-	{
-		for (MailMessage::Recipients::const_iterator it = message.recipients().begin(); it != message.recipients().end(); ++it)
-		{
-			recipient << '<' << it->getAddress() << '>';
-			int status2 = sendCommand("RCPT TO:", recipient.str(), response);
-			if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2);
-			recipient.str("");
-		}
-	}
-
-	status = sendCommand("DATA", response);
-	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot send message data", response, status);
-}
-
-
-void SMTPClientSession::sendAddresses(const std::string& from, const Recipients& recipients)
-{
-	std::string response;
-	int status = 0;
-
-	std::string::size_type emailPos = from.find('<');
-	if (emailPos == std::string::npos)
-	{
-		std::string sender("<");
-		sender.append(from);
-		sender.append(">");
-		status = sendCommand("MAIL FROM:", sender, response);
-	}
-	else
-	{
-		status = sendCommand("MAIL FROM:", from.substr(emailPos, from.size() - emailPos), response);
-	}
-
-	if (!isPositiveCompletion(status)) throw SMTPException("Cannot send message", response, status);
-	
-	std::ostringstream recipient;
-
-	for (Recipients::const_iterator it = recipients.begin(); it != recipients.end(); ++it)
-	{
-
-		recipient << '<' << *it << '>';
-		int status2 = sendCommand("RCPT TO:", recipient.str(), response);
-		if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2);
-		recipient.str("");
-	}
-}
-
-
-void SMTPClientSession::sendData()
-{
-	std::string response;
-	int status = sendCommand("DATA", response);
-	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot send message data", response, status);
-}
-
-
-void SMTPClientSession::sendMessage(const MailMessage& message)
-{
-	sendCommands(message);
-	transportMessage(message);
-}
-
-
-void SMTPClientSession::sendMessage(const MailMessage& message, const Recipients& recipients)
-{
-	sendCommands(message, &recipients);
-	transportMessage(message);
-}
-
-
-void SMTPClientSession::transportMessage(const MailMessage& message)
-{
-	SocketOutputStream socketStream(_socket);
-	MailOutputStream mailStream(socketStream);
-	message.write(mailStream);
-	mailStream.close();
-	socketStream.flush();
-	
-	std::string response;
-	int status = _socket.receiveStatusMessage(response);
-	if (!isPositiveCompletion(status)) throw SMTPException("The server rejected the message", response, status);
-}
-
-
-int SMTPClientSession::sendCommand(const std::string& command, std::string& response)
-{
-	_socket.sendMessage(command);
-	return _socket.receiveStatusMessage(response);
-}
-
-
-int SMTPClientSession::sendCommand(const std::string& command, const std::string& arg, std::string& response)
-{
-	_socket.sendMessage(command, arg);
-	return _socket.receiveStatusMessage(response);
-}
-
-
-void SMTPClientSession::sendMessage(std::istream& istr)
-{
-	std::string response;
-	int status = 0;
-	
-	SocketOutputStream socketStream(_socket);
-	MailOutputStream mailStream(socketStream);
-	StreamCopier::copyStream(istr, mailStream);
-	mailStream.close();
-	socketStream.flush();
-	status = _socket.receiveStatusMessage(response);
-	if (!isPositiveCompletion(status)) throw SMTPException("The server rejected the message", response, status);
-}
-
-
-} } // namespace Poco::Net
+// 
+// SMTPClientSession.cpp 
+// 
+// Library: Net 
+// Package: Mail 
+// Module:  SMTPClientSession 
+// 
+// Copyright (c) 2005-2008, Applied Informatics Software Engineering GmbH. 
+// and Contributors. 
+// 
+// SPDX-License-Identifier:	BSL-1.0 
+// 
+ 
+ 
+#include "Poco/Net/SMTPClientSession.h" 
+#include "Poco/Net/MailMessage.h" 
+#include "Poco/Net/MailRecipient.h" 
+#include "Poco/Net/MailStream.h" 
+#include "Poco/Net/SocketAddress.h" 
+#include "Poco/Net/SocketStream.h" 
+#include "Poco/Net/NetException.h" 
+#include "Poco/Environment.h" 
+#include "Poco/Net/NetworkInterface.h" 
+#include "Poco/HMACEngine.h" 
+#include "Poco/MD5Engine.h" 
+#include "Poco/SHA1Engine.h" 
+#include "Poco/DigestStream.h" 
+#include "Poco/StreamCopier.h" 
+#include "Poco/Base64Encoder.h" 
+#include "Poco/Base64Decoder.h" 
+#include "Poco/String.h" 
+#include <sstream> 
+#include <fstream> 
+#include <iostream> 
+ 
+ 
+using Poco::DigestEngine; 
+using Poco::HMACEngine; 
+using Poco::MD5Engine; 
+using Poco::SHA1Engine; 
+using Poco::DigestOutputStream; 
+using Poco::StreamCopier; 
+using Poco::Base64Encoder; 
+using Poco::Base64Decoder; 
+using Poco::Environment; 
+ 
+ 
+namespace Poco { 
+namespace Net { 
+ 
+ 
+SMTPClientSession::SMTPClientSession(const StreamSocket& socket): 
+	_socket(socket), 
+	_isOpen(false) 
+{ 
+} 
+ 
+ 
+SMTPClientSession::SMTPClientSession(const std::string& host, Poco::UInt16 port): 
+	_socket(SocketAddress(host, port)), 
+	_isOpen(false) 
+{ 
+} 
+ 
+ 
+SMTPClientSession::~SMTPClientSession() 
+{ 
+	try 
+	{ 
+		close(); 
+	} 
+	catch (...) 
+	{ 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::setTimeout(const Poco::Timespan& timeout) 
+{ 
+	_socket.setReceiveTimeout(timeout); 
+} 
+ 
+	 
+Poco::Timespan SMTPClientSession::getTimeout() const 
+{ 
+	return _socket.getReceiveTimeout(); 
+} 
+ 
+ 
+void SMTPClientSession::login(const std::string& hostname, std::string& response) 
+{ 
+	open(); 
+	int status = sendCommand("EHLO", hostname, response); 
+	if (isPermanentNegative(status)) 
+		status = sendCommand("HELO", hostname, response); 
+	if (!isPositiveCompletion(status)) throw SMTPException("Login failed", response, status); 
+} 
+ 
+ 
+void SMTPClientSession::login(const std::string& hostname) 
+{ 
+	std::string response; 
+	login(hostname, response); 
+} 
+ 
+ 
+void SMTPClientSession::login() 
+{ 
+	login(Environment::nodeName()); 
+} 
+ 
+ 
+void SMTPClientSession::loginUsingCRAMMD5(const std::string& username, const std::string& password) 
+{ 
+	HMACEngine<MD5Engine> hmac(password); 
+	loginUsingCRAM(username, "CRAM-MD5", hmac); 
+} 
+ 
+ 
+void SMTPClientSession::loginUsingCRAMSHA1(const std::string& username, const std::string& password) 
+{ 
+	HMACEngine<SHA1Engine> hmac(password); 
+	loginUsingCRAM(username, "CRAM-SHA1", hmac); 
+} 
+ 
+ 
+void SMTPClientSession::loginUsingCRAM(const std::string& username, const std::string& method, Poco::DigestEngine& hmac) 
+{ 
+	std::string response; 
+	int status = sendCommand(std::string("AUTH ") + method, response); 
+ 
+	if (!isPositiveIntermediate(status)) throw SMTPException(std::string("Cannot authenticate using ") + method, response, status); 
+	std::string challengeBase64 = response.substr(4); 
+	 
+	std::istringstream istr(challengeBase64); 
+	Base64Decoder decoder(istr); 
+	std::string challenge; 
+	StreamCopier::copyToString(decoder, challenge); 
+	 
+	hmac.update(challenge); 
+	 
+	const DigestEngine::Digest& digest = hmac.digest(); 
+	std::string digestString(DigestEngine::digestToHex(digest)); 
+	 
+	std::string challengeResponse = username + " " + digestString; 
+	 
+	std::ostringstream challengeResponseBase64; 
+	Base64Encoder encoder(challengeResponseBase64); 
+	encoder.rdbuf()->setLineLength(0); 
+	encoder << challengeResponse; 
+	encoder.close(); 
+	 
+	status = sendCommand(challengeResponseBase64.str(), response); 
+  	if (!isPositiveCompletion(status)) throw SMTPException(std::string("Login using ") + method + " failed", response, status);   
+} 
+ 
+ 
+void SMTPClientSession::loginUsingLogin(const std::string& username, const std::string& password) 
+{ 
+	std::string response; 
+	int status = sendCommand("AUTH LOGIN", response); 
+	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot authenticate using LOGIN", response, status); 
+	 
+	std::ostringstream usernameBase64; 
+	Base64Encoder usernameEncoder(usernameBase64); 
+	usernameEncoder.rdbuf()->setLineLength(0); 
+	usernameEncoder << username; 
+	usernameEncoder.close(); 
+	 
+	std::ostringstream passwordBase64; 
+	Base64Encoder passwordEncoder(passwordBase64); 
+	passwordEncoder.rdbuf()->setLineLength(0); 
+	passwordEncoder << password; 
+	passwordEncoder.close(); 
+	 
+	//Server request for username/password not defined could be either 
+	//S: login: 
+	//C: user_login 
+	//S: password: 
+	//C: user_password 
+	//or 
+	//S: password: 
+	//C: user_password 
+	//S: login: 
+	//C: user_login 
+	 
+	std::string decodedResponse; 
+	std::istringstream responseStream(response.substr(4)); 
+	Base64Decoder responseDecoder(responseStream); 
+	StreamCopier::copyToString(responseDecoder, decodedResponse); 
+	 
+	if (Poco::icompare(decodedResponse, 0, 8, "username") == 0) // username first (md5("Username:")) 
+	{ 
+		status = sendCommand(usernameBase64.str(), response); 
+		if (!isPositiveIntermediate(status)) throw SMTPException("Login using LOGIN username failed", response, status); 
+		 
+		status = sendCommand(passwordBase64.str(), response); 
+		if (!isPositiveCompletion(status)) throw SMTPException("Login using LOGIN password failed", response, status);   
+	} 
+	else if  (Poco::icompare(decodedResponse, 0, 8, "password") == 0) // password first (md5("Password:")) 
+	{ 
+		status = sendCommand(passwordBase64.str(), response); 
+		if (!isPositiveIntermediate(status)) throw SMTPException("Login using LOGIN password failed", response, status);   
+		 
+		status = sendCommand(usernameBase64.str(), response); 
+		if (!isPositiveCompletion(status)) throw SMTPException("Login using LOGIN username failed", response, status); 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::loginUsingPlain(const std::string& username, const std::string& password) 
+{ 
+	std::ostringstream credentialsBase64; 
+	Base64Encoder credentialsEncoder(credentialsBase64); 
+	credentialsEncoder.rdbuf()->setLineLength(0); 
+	credentialsEncoder << '\0' << username << '\0' << password; 
+	credentialsEncoder.close(); 
+ 
+	std::string response; 
+	int status = sendCommand("AUTH PLAIN", credentialsBase64.str(), response); 
+	if (!isPositiveCompletion(status)) throw SMTPException("Login using PLAIN failed", response, status); 
+} 
+ 
+ 
+void SMTPClientSession::loginUsingXOAUTH2(const std::string& username, const std::string& password) 
+{ 
+	std::ostringstream credentialsBase64; 
+	Base64Encoder credentialsEncoder(credentialsBase64); 
+	credentialsEncoder.rdbuf()->setLineLength(0); 
+	credentialsEncoder << "user=" << username << "\001auth=Bearer " << password << "\001\001"; 
+	credentialsEncoder.close(); 
+ 
+	std::string response; 
+	int status = sendCommand("AUTH XOAUTH2", credentialsBase64.str(), response); 
+	if (!isPositiveCompletion(status)) throw SMTPException("Login using XOAUTH2 failed", response, status); 
+} 
+ 
+ 
+void SMTPClientSession::login(LoginMethod loginMethod, const std::string& username, const std::string& password) 
+{ 
+	login(Environment::nodeName(), loginMethod, username, password); 
+} 
+ 
+ 
+void SMTPClientSession::login(const std::string& hostname, LoginMethod loginMethod, const std::string& username, const std::string& password) 
+{ 
+	std::string response; 
+	login(hostname, response); 
+	 
+	if (loginMethod == AUTH_CRAM_MD5) 
+	{ 
+		if (response.find("CRAM-MD5", 0) != std::string::npos) 
+		{ 
+			loginUsingCRAMMD5(username, password); 
+		} 
+		else throw SMTPException("The mail service does not support CRAM-MD5 authentication", response); 
+	} 
+	else if (loginMethod == AUTH_CRAM_SHA1) 
+	{ 
+		if (response.find("CRAM-SHA1", 0) != std::string::npos) 
+		{ 
+			loginUsingCRAMSHA1(username, password); 
+		} 
+		else throw SMTPException("The mail service does not support CRAM-SHA1 authentication", response); 
+	} 
+	else if (loginMethod == AUTH_LOGIN) 
+	{ 
+		if (response.find("LOGIN", 0) != std::string::npos) 
+		{ 
+			loginUsingLogin(username, password); 
+		} 
+		else throw SMTPException("The mail service does not support LOGIN authentication", response); 
+	} 
+	else if (loginMethod == AUTH_PLAIN) 
+	{ 
+		if (response.find("PLAIN", 0) != std::string::npos) 
+		{ 
+			loginUsingPlain(username, password); 
+		} 
+		else throw SMTPException("The mail service does not support PLAIN authentication", response); 
+	} 
+	else if (loginMethod == AUTH_XOAUTH2) 
+	{ 
+		if (response.find("XOAUTH2", 0) != std::string::npos) 
+		{ 
+			loginUsingXOAUTH2(username, password); 
+		} 
+		else throw SMTPException("The mail service does not support XOAUTH2 authentication", response); 
+	} 
+	else if (loginMethod != AUTH_NONE) 
+	{ 
+		throw SMTPException("The autentication method is not supported"); 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::open() 
+{ 
+	if (!_isOpen) 
+	{ 
+		std::string response; 
+		int status = _socket.receiveStatusMessage(response); 
+		if (!isPositiveCompletion(status)) throw SMTPException("The mail service is unavailable", response, status); 
+		_isOpen = true; 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::close() 
+{ 
+	if (_isOpen) 
+	{ 
+		std::string response; 
+		sendCommand("QUIT", response); 
+		_socket.close(); 
+		_isOpen = false; 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::sendCommands(const MailMessage& message, const Recipients* pRecipients) 
+{ 
+	std::string response; 
+	int status = 0; 
+	const std::string& fromField = message.getSender(); 
+	std::string::size_type emailPos = fromField.find('<'); 
+	if (emailPos == std::string::npos) 
+	{ 
+		std::string sender("<"); 
+		sender.append(fromField); 
+		sender.append(">"); 
+		status = sendCommand("MAIL FROM:", sender, response); 
+	} 
+	else 
+	{ 
+		status = sendCommand("MAIL FROM:", fromField.substr(emailPos, fromField.size() - emailPos), response); 
+	} 
+ 
+	if (!isPositiveCompletion(status)) throw SMTPException("Cannot send message", response, status); 
+	 
+	std::ostringstream recipient; 
+	if (pRecipients) 
+	{ 
+		for (Recipients::const_iterator it = pRecipients->begin(); it != pRecipients->end(); ++it) 
+		{ 
+			recipient << '<' << *it << '>'; 
+			int status2 = sendCommand("RCPT TO:", recipient.str(), response); 
+			if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2); 
+			recipient.str(""); 
+		} 
+	} 
+	else 
+	{ 
+		for (MailMessage::Recipients::const_iterator it = message.recipients().begin(); it != message.recipients().end(); ++it) 
+		{ 
+			recipient << '<' << it->getAddress() << '>'; 
+			int status2 = sendCommand("RCPT TO:", recipient.str(), response); 
+			if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2); 
+			recipient.str(""); 
+		} 
+	} 
+ 
+	status = sendCommand("DATA", response); 
+	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot send message data", response, status); 
+} 
+ 
+ 
+void SMTPClientSession::sendAddresses(const std::string& from, const Recipients& recipients) 
+{ 
+	std::string response; 
+	int status = 0; 
+ 
+	std::string::size_type emailPos = from.find('<'); 
+	if (emailPos == std::string::npos) 
+	{ 
+		std::string sender("<"); 
+		sender.append(from); 
+		sender.append(">"); 
+		status = sendCommand("MAIL FROM:", sender, response); 
+	} 
+	else 
+	{ 
+		status = sendCommand("MAIL FROM:", from.substr(emailPos, from.size() - emailPos), response); 
+	} 
+ 
+	if (!isPositiveCompletion(status)) throw SMTPException("Cannot send message", response, status); 
+	 
+	std::ostringstream recipient; 
+ 
+	for (Recipients::const_iterator it = recipients.begin(); it != recipients.end(); ++it) 
+	{ 
+ 
+		recipient << '<' << *it << '>'; 
+		int status2 = sendCommand("RCPT TO:", recipient.str(), response); 
+		if (!isPositiveCompletion(status2)) throw SMTPException(std::string("Recipient rejected: ") + recipient.str(), response, status2); 
+		recipient.str(""); 
+	} 
+} 
+ 
+ 
+void SMTPClientSession::sendData() 
+{ 
+	std::string response; 
+	int status = sendCommand("DATA", response); 
+	if (!isPositiveIntermediate(status)) throw SMTPException("Cannot send message data", response, status); 
+} 
+ 
+ 
+void SMTPClientSession::sendMessage(const MailMessage& message) 
+{ 
+	sendCommands(message); 
+	transportMessage(message); 
+} 
+ 
+ 
+void SMTPClientSession::sendMessage(const MailMessage& message, const Recipients& recipients) 
+{ 
+	sendCommands(message, &recipients); 
+	transportMessage(message); 
+} 
+ 
+ 
+void SMTPClientSession::transportMessage(const MailMessage& message) 
+{ 
+	SocketOutputStream socketStream(_socket); 
+	MailOutputStream mailStream(socketStream); 
+	message.write(mailStream); 
+	mailStream.close(); 
+	socketStream.flush(); 
+	 
+	std::string response; 
+	int status = _socket.receiveStatusMessage(response); 
+	if (!isPositiveCompletion(status)) throw SMTPException("The server rejected the message", response, status); 
+} 
+ 
+ 
+int SMTPClientSession::sendCommand(const std::string& command, std::string& response) 
+{ 
+	_socket.sendMessage(command); 
+	return _socket.receiveStatusMessage(response); 
+} 
+ 
+ 
+int SMTPClientSession::sendCommand(const std::string& command, const std::string& arg, std::string& response) 
+{ 
+	_socket.sendMessage(command, arg); 
+	return _socket.receiveStatusMessage(response); 
+} 
+ 
+ 
+void SMTPClientSession::sendMessage(std::istream& istr) 
+{ 
+	std::string response; 
+	int status = 0; 
+	 
+	SocketOutputStream socketStream(_socket); 
+	MailOutputStream mailStream(socketStream); 
+	StreamCopier::copyStream(istr, mailStream); 
+	mailStream.close(); 
+	socketStream.flush(); 
+	status = _socket.receiveStatusMessage(response); 
+	if (!isPositiveCompletion(status)) throw SMTPException("The server rejected the message", response, status); 
+} 
+ 
+ 
+} } // namespace Poco::Net