126 lines
2.7 KiB
Go
126 lines
2.7 KiB
Go
// Copyright 2014 The Gogs 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 mailer
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import (
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"fmt"
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"net/smtp"
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"strings"
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"github.com/gogits/gogs/modules/base"
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"github.com/gogits/gogs/modules/log"
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)
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type Message struct {
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To []string
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From string
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Subject string
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Body string
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User string
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Type string
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Massive bool
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Info string
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}
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// create mail content
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func (m Message) Content() string {
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// set mail type
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contentType := "text/plain; charset=UTF-8"
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if m.Type == "html" {
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contentType = "text/html; charset=UTF-8"
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}
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// create mail content
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content := "From: " + m.User + "<" + m.From +
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">\r\nSubject: " + m.Subject + "\r\nContent-Type: " + contentType + "\r\n\r\n" + m.Body
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return content
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}
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var mailQueue chan *Message
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func NewMailerContext() {
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mailQueue = make(chan *Message, base.Cfg.MustInt("mailer", "SEND_BUFFER_LEN", 10))
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go processMailQueue()
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}
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func processMailQueue() {
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for {
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select {
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case msg := <-mailQueue:
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num, err := Send(msg)
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tos := strings.Join(msg.To, "; ")
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info := ""
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if err != nil {
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if len(msg.Info) > 0 {
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info = ", info: " + msg.Info
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}
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log.Error(fmt.Sprintf("Async sent email %d succeed, not send emails: %s%s err: %s", num, tos, info, err))
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} else {
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log.Trace(fmt.Sprintf("Async sent email %d succeed, sent emails: %s%s", num, tos, info))
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}
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}
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}
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}
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// Direct Send mail message
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func Send(msg *Message) (int, error) {
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log.Trace("Sending mails to: %s", strings.Join(msg.To, "; "))
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host := strings.Split(base.MailService.Host, ":")
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// get message body
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content := msg.Content()
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auth := smtp.PlainAuth("", base.MailService.User, base.MailService.Passwd, host[0])
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if len(msg.To) == 0 {
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return 0, fmt.Errorf("empty receive emails")
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}
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if len(msg.Body) == 0 {
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return 0, fmt.Errorf("empty email body")
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}
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if msg.Massive {
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// send mail to multiple emails one by one
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num := 0
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for _, to := range msg.To {
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body := []byte("To: " + to + "\r\n" + content)
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err := smtp.SendMail(base.MailService.Host, auth, msg.From, []string{to}, body)
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if err != nil {
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return num, err
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}
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num++
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}
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return num, nil
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} else {
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body := []byte("To: " + strings.Join(msg.To, ";") + "\r\n" + content)
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// send to multiple emails in one message
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err := smtp.SendMail(base.MailService.Host, auth, msg.From, msg.To, body)
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if err != nil {
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return 0, err
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} else {
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return 1, nil
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}
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}
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}
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// Async Send mail message
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func SendAsync(msg *Message) {
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go func() {
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mailQueue <- msg
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}()
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}
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// Create html mail message
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func NewHtmlMessage(To []string, From, Subject, Body string) Message {
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return Message{
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To: To,
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From: From,
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Subject: Subject,
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Body: Body,
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Type: "html",
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}
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}
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