DEFINE smtplog base.StringBuffer

TYPE cnf_t RECORD 
    hostname STRING,
    smtphost STRING,
    smtpport INTEGER,
    senderemail STRING,
    cnxtimeout INTEGER
END RECORD
DEFINE cnf cnf_t
DEFINE rpc1 DYNAMIC ARRAY OF STRING,
       mailbody1 DYNAMIC ARRAY OF STRING
DEFINE logtext STRING       
MAIN
  DEFINE quepaso BOOLEAN,
         chan base.Channel
 -- LET chan = base.Channel.create()
 -- CALL chan.openServerSocket('smtp.office365.com','587','ub')
  
  LET rpc1[1] ="jsoto@marmotech.com.do"
  LET mailbody1[1] ="PRUEBA DE LA CONEXION"
 -- CALL sendmail(rpc1, mailbody1) RETURNING quepaso
  CALL mail()

END MAIN
FUNCTION mail()
DEFINE result, id INTEGER
  DEFINE str STRING

-- first, we initialize the module
  CALL ui.Interface.frontCall("WinMail", "Init", [], [id])

-- Set the body of the mail
  CALL ui.interface.frontCall("WinMail", "SetBody", [id, 
   "This is a text mail using WinMail API - MAPI"], [result])

-- Set the subject of the mail
  CALL ui.interface.frontCall("WinMail", "SetSubject", [id,
   "test mail - ignore it"], [result])

-- Set the mail sender
  CALL ui.Interface.frontCall("WinMail", "SetFrom", [id, "Nominas",
   "nominas@marmotech.com.do"], [result])

-- Set the SMTP server
  CALL ui.Interface.frontCall("WinMail", "SetSmtp", [id, "smtp.office365.com:587"],
   [result])

-- Add an Addressee as "TO"
  CALL ui.Interface.frontCall("WinMail", "AddTo", [id, "myBoss",
   "jsoto@marmotech.com.do"], [result])

-- Add another Addressee as "BCC"
  CALL ui.Interface.frontCall("WinMail", "AddBCC", [id, "my friend",
   "jsoto@movilsoluciones.com.do"], [result])

-- Add Two attachments
  CALL ui.Interface.frontCall("WinMail", "AddAttachment", [id,
   "C:\\Users\\jsoto\\Documents\\MARMOTECH\\logo.png"], [result])
 # CALL ui.Interface.frontCall("WinMail", "AddAttachment", [id,
 #  "c:\\mydocs\demo.png"], [result])

-- Send the mail via smtp
  CALL ui.Interface.frontCall("WinMail", "SendMailSMTP", [id], [result])

  -- Send the mail via the default mailer
--  CALL ui.Interface.frontCall("WinMail", "SendMailMAPI", [id], [result])

  IF result == TRUE THEN
    DISPLAY "Message sent successfully"
  ELSE
    CALL ui.Interface.frontCall("WinMail", "GetError", [id], [str])
    DISPLAY str
  END IF
  CALL ui.Interface.frontCall("WinMail", "Close", [id], [result])
END FUNCTION
FUNCTION sendmail(rcpt, mailbody)
    DEFINE mailbody DYNAMIC ARRAY OF STRING
    DEFINE rcpt DYNAMIC ARRAY OF STRING

    DEFINE smtpStatus INTEGER
    DEFINE smtpMessage STRING

    DEFINE mc base.Channel
    DEFINE i INTEGER

    LET smtplog = base.StringBuffer.create()
    LET mc = base.Channel.create()
    TRY
        CALL mc.openClientSocket(cnf.smtphost, cnf.smtpport, "ub", cnf.cnxtimeout)
    CATCH
        DISPLAY  "The connection to the SMTP Server failed.\n"
        RETURN FALSE
    END TRY
    CALL readSmtpAnswer(mc) RETURNING smtpStatus, smtpMessage
    
    CALL smtpSend(mc, "HELO " || cnf.hostname || "\r") RETURNING smtpStatus, smtpMessage
    IF smtpStatus >= 400 THEN 
        CALL smtpError(mc, smtpMessage)
        RETURN FALSE
    END IF
    CALL smtpSend(mc, SFMT("MAIL FROM: %1\r", extract_email(cnf.senderemail))) RETURNING smtpStatus, smtpMessage
    IF smtpStatus >= 400 THEN 
        CALL smtpError(mc, smtpMessage)
        RETURN FALSE
    END IF
    FOR i = 1 TO rcpt.getLength()
        CALL smtpSend(mc, rcpt[i]) RETURNING smtpStatus, smtpMessage
        IF smtpStatus >= 400 THEN
            CALL smtpError(mc, smtpMessage)
            RETURN FALSE
        END IF
    END FOR
    CALL smtpSend(mc, "DATA\r") RETURNING smtpStatus, smtpMessage
    IF smtpStatus >= 400 THEN
        CALL smtpError(mc, smtpMessage)
        RETURN FALSE
    END IF
   { FOR i = 1 TO mailbody.getLength()
        CALL clientWrite(mc, mailbody[i])
    END FOR}
    CALL readSmtpAnswer(mc) RETURNING smtpStatus, smtpMessage
    IF smtpStatus >= 400 THEN
        CALL smtpError(mc, smtpMessage)
        RETURN FALSE
    END IF
    CALL smtpSend(mc, "QUIT\r") RETURNING smtpStatus, smtpMessage
    IF smtpStatus >= 400 THEN
        CALL smtpError(mc, smtpMessage)
        RETURN FALSE
    END IF
    CALL mc.close()
    RETURN TRUE
END FUNCTION

FUNCTION smtpSend(ch, command)
    DEFINE ch base.Channel
    DEFINE command STRING

    DEFINE smtpStatus INTEGER
    DEFINE smtpMessage STRING

  --  CALL clientWrite(ch, command)
    CALL readSmtpAnswer(ch) RETURNING smtpStatus, smtpMessage

    RETURN smtpStatus, smtpMessage
END FUNCTION


FUNCTION default_maildemo_cnf()
    LET cnf.smtpPort = 587
    LET cnf.smtpHost = "smtp.office365.com"
    LET cnf.senderEmail = "nominas@marmotech.com.do"
    LET cnf.hostname = ""
    LET cnf.cnxtimeout = 10
END FUNCTION

FUNCTION readSmtpAnswer(ch)
    DEFINE ch base.Channel
    DEFINE line STRING

    DEFINE smtpStatus INTEGER
    DEFINE smtpMessage STRING

    LET smtpMessage = ""
    WHILE 1
        LET line = serverRead(ch)
        IF line IS NULL THEN
            RETURN -1, "COULD NOT READ SMTP ANSWER"
        END IF
        IF line MATCHES "[0-9][0-9][0-9] *" THEN
            IF smtpMessage.getLength() != 0 THEN
                LET smtpMessage=smtpMessage || "\n"
            END IF
            LET smtpMessage=smtpMessage.append(line.subString(4, line.getLength()))
            LET smtpStatus = line.subString(1,3)
            RETURN smtpStatus, smtpMessage
        END IF
        IF line MATCHES "[0-9][0-9][0-9]-*" THEN
            IF smtpMessage.getLength() != 0 THEN
                LET smtpMessage=smtpMessage || "\n"
            END IF
            LET smtpMessage=smtpMessage.append(line.subString(4, line.getLength()))
        END IF
    END WHILE
END FUNCTION

FUNCTION smtpError(mc, msg)
    DEFINE msg STRING
    DEFINE mc base.Channel
    DEFINE smtpStatus INTEGER
    DEFINE smtpMessage STRING

    DISPLAY "SMTP Error", msg
    CALL smtpSend(mc, "QUIT\r") RETURNING smtpStatus, smtpMessage
    CALL mc.close()
END FUNCTION

FUNCTION extract_email(email)
    DEFINE email STRING
    DEFINE s, e INTEGER

    LET s = email.getIndexOf("<", 1)
    LET e = email.getIndexOf(">", 1)
    IF s == 0 OR e == 0 OR s >= e THEN
        RETURN email
    END IF
    RETURN email.subString(s + 1, e - 1)
END FUNCTION    

FUNCTION serverRead(mc)
    DEFINE line STRING
    DEFINE mc base.Channel
    LET line = mc.readLine()
    CALL smtplog.append("<FONT COLOR=red><B>S&gt; </B>")
    CALL smtplog.append(line)
    CALL smtplog.append("<BR></FONT>")
    LET logtext=smtplog.toString()
    RETURN line
END FUNCTION