sendemail.h

Smtp mail sender with attachments.

#ifndef _SENDEMAIL_H_
#define _SENDEMAIL_H_

#include <string>
#include <vector>
#include <fstream>
#include <list>
#include <time.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sstream> 

typedef std::ostringstream StrngStream;

class SendEmail 
{
public:
	enum {SMTP_OUTGOING_MAIL_PORT = 25, BASE64_MAXLINE  = 76, MAX_LINE_SIZE = 4094};
	enum LoginMethod{LOGIN_AUTH_METHOD, LOGIN_PLAIN_METHOD};
	SendEmail(
		std::string EmailSenderHostName, 
		std::string Auth_UserID, 
		std::string Auth_Password = "", 
		std::string Sender = "[e-mail]", 
		std::string ReplyToAddr = "", 
		LoginMethod LoginMethod_ = LOGIN_AUTH_METHOD, 
//		LoginMethod LoginMethod_ = LOGIN_PLAIN_METHOD,
		std::string X_Mailer = "X-Mailer: test\r\n", 
		std::string X_Phone = "",
		std::string EmailAddrSeperator = ", ");
	~SendEmail();
	std::string operator()(
		const std::string	&To, 
		const std::string	&Subject,
		const std::string	&Body,
		const std::list<std::string>	*CC_List = 0, 
		const std::list<std::string>	*BCC_List = 0, 
		const std::list<std::string>	*AttachmentPath_List = 0,
		const std::string *MessageID = 0);
	std::string Mail(
		const std::list<std::string> &To, 
		const std::string	&Subject,
		const std::string	&Body,
		const std::list<std::string>	*CC_List = 0, 
		const std::list<std::string>	*BCC_List = 0, 
		const std::list<std::string>	*AttachmentPath_List = 0,
		const std::string *MessageID = 0);
	std::string Mail1(
		const std::string	&To, 
		const std::string	&Subject,
		const std::string	&Body,
		const std::list<std::string>	*CC_List = 0, 
		const std::list<std::string>	*BCC_List = 0, 
		const std::list<std::string>	*AttachmentPath_List = 0,
		const std::string *MessageID = 0);
	void DoLogin(void);
	static const char* NO_ERRORS;
	const std::vector<std::string> &RecentErrorLog;
private:
	std::list<std::string>* StrLstToELst(const std::list<std::string> *Src, std::list<std::string> &Dest);
	enum{TO_BLOCK, CC_BLOCK, BCC_BLOCK};
	std::string Mail(
		const std::string	&RCPT_To, 
		const std::list<std::string>	&To, 
		const std::string	&Subject,
		const std::string	&Body,
		const std::list<std::string> &CC_List, 
		const std::list<std::string>	*AttachmentPath_List,
		const std::string &MessageID);
	std::vector<std::string> m_RecentErrorLog;
	LoginMethod m_LoginMethod;
	std::string m_EmailSenderHostName;
	std::string m_Sender;
	std::string m_ReplyToAddr;
	std::string m_Auth_UserID;
	std::string m_Auth_Password;
	std::string m_EmailAddrSeperator;
	int m_socket;
	bool m_InitiateGood;
	char m_EmailBuffer[MAX_LINE_SIZE + 1];
	const std::string m_X_Mailer;
	const std::string m_X_Phone;
	int m_UniqueContentID;
	bool m_UseReplyToAddr_ForMailFrom;
	std::string ReturnValueFromReceive;
	static const char* m_base64Table;
	static const char* CHK_220_REPLY;
	static const char* CHK_221_REPLY;
	static const char* CHK_235_REPLY;
	static const char* CHK_250_REPLY;
	static const char* CHK_334_REPLY;
	static const char* CHK_354_REPLY;
	static const char* EMAIL_ADDR_DIV_CHR;
	static const std::string CRLF_SET;
	bool SendStr(const StrngStream &Src);
	bool SendStr(const char* Buffer);
	bool VerifyReply(const char* szReplyString);
	bool Receive(char* szBuffer, int nLenMax, int nFlags, const char* szReplyString);
	bool Send(const char *szBuffer, size_t nLen);
	bool Encode64File(const std::string &FileName);
	std::string Encode64String(const std::string &Src);
	char Encode64Byte(unsigned char uc);
	static std::string EmailAddrFormat(const std::string &Src);
	const char* Encode64(const std::vector<unsigned char> & vBytes, std::string *Dest = NULL, bool EndWithCR = false);
};

bool SendEmailSimple(const char* HostName, const char* UserID, const char* To, const char* Subject, const char* Body, const char* UserPassword = NULL, const char* FileName_Attach = NULL);

#endif