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112 lines
2.7 KiB
112 lines
2.7 KiB
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package log
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import (
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"encoding/json"
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"net/smtp"
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"strings"
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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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type smtpWriter struct {
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owner *SMTPLogger
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}
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// Write sends the message as an email
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func (s *smtpWriter) Write(p []byte) (int, error) {
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return s.owner.sendMail(p)
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}
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// Close does nothing
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func (s *smtpWriter) Close() error {
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return nil
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}
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// SMTPLogger implements LoggerProvider and is used to send emails via given SMTP-server.
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type SMTPLogger struct {
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WriterLogger
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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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sendMailFn func(string, smtp.Auth, string, []string, []byte) error
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}
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// NewSMTPLogger creates smtp writer.
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func NewSMTPLogger() LoggerProvider {
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s := &SMTPLogger{}
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s.Level = TRACE
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s.sendMailFn = smtp.SendMail
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return s
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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 (log *SMTPLogger) Init(jsonconfig string) error {
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err := json.Unmarshal([]byte(jsonconfig), log)
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if err != nil {
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return err
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}
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log.NewWriterLogger(&smtpWriter{
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owner: log,
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})
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log.sendMailFn = smtp.SendMail
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return nil
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}
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// WriteMsg writes message in smtp writer.
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// it will send an email with subject and only this message.
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func (log *SMTPLogger) sendMail(p []byte) (int, error) {
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hp := strings.Split(log.Host, ":")
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// Set up authentication information.
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auth := smtp.PlainAuth(
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"",
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log.Username,
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log.Password,
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hp[0],
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)
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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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contentType := "Content-Type: text/plain" + "; charset=UTF-8"
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mailmsg := []byte("To: " + strings.Join(log.RecipientAddresses, ";") + "\r\nFrom: " + log.Username + "<" + log.Username +
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">\r\nSubject: " + log.Subject + "\r\n" + contentType + "\r\n\r\n")
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mailmsg = append(mailmsg, p...)
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return len(p), log.sendMailFn(
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log.Host,
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auth,
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log.Username,
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log.RecipientAddresses,
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mailmsg,
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)
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}
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// Flush when log should be flushed
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func (log *SMTPLogger) Flush() {
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}
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// GetName returns the default name for this implementation
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func (log *SMTPLogger) GetName() string {
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return "smtp"
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}
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func init() {
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Register("smtp", NewSMTPLogger)
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}
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