125 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			125 lines
		
	
	
		
			2.8 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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| 
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| package mailer
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| 
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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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| 
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| 	"github.com/gogits/gogs/modules/log"
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| 	"github.com/gogits/gogs/modules/setting"
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| )
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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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| 
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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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| 
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| 	// create mail content
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| 	content := "From: " + m.From + "<" + m.User +
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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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| 
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| var mailQueue chan *Message
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| 
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| func NewMailerContext() {
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| 	mailQueue = make(chan *Message, setting.Cfg.MustInt("mailer", "SEND_BUFFER_LEN", 10))
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| 	go processMailQueue()
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| }
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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(4, 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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| 
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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(setting.MailService.Host, ":")
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| 
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| 	// get message body
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| 	content := msg.Content()
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| 
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| 	if len(msg.To) == 0 {
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| 		return 0, fmt.Errorf("empty receive emails")
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| 	} else if len(msg.Body) == 0 {
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| 		return 0, fmt.Errorf("empty email body")
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| 	}
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| 
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| 	auth := smtp.PlainAuth("", setting.MailService.User, setting.MailService.Passwd, host[0])
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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(setting.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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| 
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| 		// send to multiple emails in one message
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| 		err := smtp.SendMail(setting.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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| 
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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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| 
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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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