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6ce55e8884
For mail servers that do not require Authentication we must pass NIL for the SendMail parameter 2 (the auth parameter). Otherwise it fails to send the mail.
111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
// Beego (http://beego.me/)
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//
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// @description beego is an open-source, high-performance web framework for the Go programming language.
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//
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// @link http://github.com/astaxie/beego for the canonical source repository
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//
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// @license http://github.com/astaxie/beego/blob/master/LICENSE
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//
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// @authors astaxie
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package logs
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import (
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"encoding/json"
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"fmt"
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"net/smtp"
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"strings"
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"time"
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)
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const (
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subjectPhrase = "Diagnostic message from server"
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)
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// smtpWriter implements LoggerInterface and is used to send emails via given SMTP-server.
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type SmtpWriter struct {
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Username string `json:"Username"`
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Password string `json:"password"`
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Host string `json:"Host"`
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Subject string `json:"subject"`
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RecipientAddresses []string `json:"sendTos"`
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Level int `json:"level"`
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}
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// create smtp writer.
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func NewSmtpWriter() LoggerInterface {
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return &SmtpWriter{Level: LevelTrace}
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}
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// init smtp writer with json config.
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// config like:
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// {
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// "Username":"example@gmail.com",
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// "password:"password",
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// "host":"smtp.gmail.com:465",
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// "subject":"email title",
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// "sendTos":["email1","email2"],
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// "level":LevelError
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// }
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func (s *SmtpWriter) Init(jsonconfig string) error {
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err := json.Unmarshal([]byte(jsonconfig), s)
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if err != nil {
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return err
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}
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return nil
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}
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func (s *SmtpWriter) GetSmtpAuth(host string) smtp.Auth {
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if len(strings.Trim(s.Username, " ")) == 0 && len(strings.Trim(s.Password, " ")) == 0 {
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return nil
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}
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return smtp.PlainAuth(
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"",
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s.Username,
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s.Password,
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host,
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)
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}
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// write message in smtp writer.
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// it will send an email with subject and only this message.
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func (s *SmtpWriter) WriteMsg(msg string, level int) error {
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if level > s.Level {
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return nil
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}
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hp := strings.Split(s.Host, ":")
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// Set up authentication information.
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auth := s.GetSmtpAuth(hp[0])
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// Connect to the server, authenticate, set the sender and recipient,
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// and send the email all in one step.
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content_type := "Content-Type: text/plain" + "; charset=UTF-8"
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mailmsg := []byte("To: " + strings.Join(s.RecipientAddresses, ";") + "\r\nFrom: " + s.Username + "<" + s.Username +
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">\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)
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err := smtp.SendMail(
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s.Host,
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auth,
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s.Username,
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s.RecipientAddresses,
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mailmsg,
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)
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return err
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}
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// implementing method. empty.
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func (s *SmtpWriter) Flush() {
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return
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}
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// implementing method. empty.
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func (s *SmtpWriter) Destroy() {
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return
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}
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func init() {
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Register("smtp", NewSmtpWriter)
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}
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