116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package logs
|
|
|
|
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"`
|
|
}
|
|
|
|
// create smtp writer.
|
|
func NewSmtpWriter() LoggerInterface {
|
|
return &SmtpWriter{Level: LevelTrace}
|
|
}
|
|
|
|
// 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 (s *SmtpWriter) Init(jsonconfig string) error {
|
|
err := json.Unmarshal([]byte(jsonconfig), s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *SmtpWriter) GetSmtpAuth(host string) smtp.Auth {
|
|
if len(strings.Trim(s.Username, " ")) == 0 && len(strings.Trim(s.Password, " ")) == 0 {
|
|
return nil
|
|
}
|
|
return smtp.PlainAuth(
|
|
"",
|
|
s.Username,
|
|
s.Password,
|
|
host,
|
|
)
|
|
}
|
|
|
|
// write message in smtp writer.
|
|
// it will send an email with subject and only this message.
|
|
func (s *SmtpWriter) WriteMsg(msg string, level int) error {
|
|
if level > s.Level {
|
|
return nil
|
|
}
|
|
|
|
hp := strings.Split(s.Host, ":")
|
|
|
|
// Set up authentication information.
|
|
auth := s.GetSmtpAuth(hp[0])
|
|
|
|
// Connect to the server, authenticate, set the sender and recipient,
|
|
// and send the email all in one step.
|
|
content_type := "Content-Type: text/plain" + "; charset=UTF-8"
|
|
mailmsg := []byte("To: " + strings.Join(s.RecipientAddresses, ";") + "\r\nFrom: " + s.Username + "<" + s.Username +
|
|
">\r\nSubject: " + s.Subject + "\r\n" + content_type + "\r\n\r\n" + fmt.Sprintf(".%s", time.Now().Format("2006-01-02 15:04:05")) + msg)
|
|
|
|
err := smtp.SendMail(
|
|
s.Host,
|
|
auth,
|
|
s.Username,
|
|
s.RecipientAddresses,
|
|
mailmsg,
|
|
)
|
|
|
|
return err
|
|
}
|
|
|
|
// implementing method. empty.
|
|
func (s *SmtpWriter) Flush() {
|
|
return
|
|
}
|
|
|
|
// implementing method. empty.
|
|
func (s *SmtpWriter) Destroy() {
|
|
return
|
|
}
|
|
|
|
func init() {
|
|
Register("smtp", NewSmtpWriter)
|
|
}
|