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// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import (
"encoding/json"
"fmt"
"net/smtp"
"strings"
"time"
)
const (
subjectPhrase = "Diagnostic message from server"
)
// SMTPWriter implements LoggerInterface and is used to send emails via given SMTP-server.
type SMTPWriter struct {
Username string `json:"Username"`
Password string `json:"password"`
Host string `json:"Host"`
Subject string `json:"subject"`
RecipientAddresses []string `json:"sendTos"`
Level int `json:"level"`
}
// NewSMTPWriter creates smtp writer.
func NewSMTPWriter() LoggerInterface {
return &SMTPWriter{Level: TRACE}
}
// Init smtp writer with json config.
// config like:
// {
// "Username":"example@gmail.com",
// "password:"password",
// "host":"smtp.gmail.com:465",
// "subject":"email title",
// "sendTos":["email1","email2"],
// "level":LevelError
// }
func (sw *SMTPWriter) Init(jsonconfig string) error {
return json.Unmarshal([]byte(jsonconfig), sw)
}
// WriteMsg writes message in smtp writer.
// it will send an email with subject and only this message.
func (sw *SMTPWriter) WriteMsg(msg string, skip, level int) error {
if level < sw.Level {
return nil
}
hp := strings.Split(sw.Host, ":")
// Set up authentication information.
auth := smtp.PlainAuth(
"",
sw.Username,
sw.Password,
hp[0],
)
// Connect to the server, authenticate, set the sender and recipient,
// and send the email all in one step.
contentType := "Content-Type: text/plain" + "; charset=UTF-8"
mailmsg := []byte("To: " + strings.Join(sw.RecipientAddresses, ";") + "\r\nFrom: " + sw.Username + "<" + sw.Username +
">\r\nSubject: " + sw.Subject + "\r\n" + contentType + "\r\n\r\n" + fmt.Sprintf(".%s", time.Now().Format("2006-01-02 15:04:05")) + msg)
return smtp.SendMail(
sw.Host,
auth,
sw.Username,
sw.RecipientAddresses,
mailmsg,
)
}
// Flush when log should be flushed
func (sw *SMTPWriter) Flush() {
}
// Destroy when writer is destroy
func (sw *SMTPWriter) Destroy() {
}
func init() {
Register("smtp", NewSMTPWriter)
}
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