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path: root/utils/smtp/session.go
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package smtp

import (
	"dove/config"
	"dove/utils/errors"
	"dove/utils/logger"
	"io"

	gosmtp "github.com/emersion/go-smtp"
)

type Session struct {
	fromAddress string
	toAddresses []string
}

func (self *Session) AuthPlain(username string, password string) error {
	if !config.SMTP.AuthRequired {
		return nil
	}

	if username != config.SMTP.Username || password != config.SMTP.Password {
		logger.Warnf(LogPrefix, AuthFailed, username)
		return errors.Error(InvalidCredentials)
	}

	return nil
}

func (self *Session) Mail(senderAddress string, _ *gosmtp.MailOptions) error {
	logger.Debugf(LogPrefix, MailFrom, senderAddress)
	self.fromAddress = senderAddress
	return nil
}

func (self *Session) Rcpt(recipientAddress string, _ *gosmtp.RcptOptions) error {
	logger.Debugf(LogPrefix, Recipient, recipientAddress)
	self.toAddresses = append(self.toAddresses, recipientAddress)
	return nil
}

func (self *Session) Data(messageReader io.Reader) error {
	rawMessage, readError := io.ReadAll(messageReader)
	if readError != nil {
		return readError
	}

	logger.Infof(LogPrefix, MessageReceived, len(rawMessage))

	_ = rawMessage

	return nil
}

func (self *Session) Reset() {
	self.fromAddress = ""
	self.toAddresses = nil
}

func (self *Session) Logout() error {
	return nil
}