2014-03-19 12:27:27 +00:00
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// Copyright 2014 The Gogs Authors. All rights reserved.
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2017-06-07 01:14:31 +00:00
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// Copyright 2017 The Gitea Authors. All rights reserved.
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2014-03-19 12:27:27 +00:00
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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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2019-02-03 02:06:52 +00:00
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"bytes"
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2014-10-09 22:08:07 +00:00
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"crypto/tls"
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2014-03-19 12:27:27 +00:00
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"fmt"
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2021-12-08 07:34:23 +00:00
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"hash/fnv"
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2015-09-17 05:54:12 +00:00
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"io"
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2014-10-09 22:08:07 +00:00
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"net"
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2014-03-19 12:27:27 +00:00
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"net/smtp"
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2015-02-19 07:47:05 +00:00
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"os"
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2016-12-25 13:55:22 +00:00
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"os/exec"
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2014-03-19 12:27:27 +00:00
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"strings"
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2015-09-17 05:54:12 +00:00
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"time"
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2017-09-11 06:33:28 +00:00
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"code.gitea.io/gitea/modules/base"
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2020-01-16 17:55:36 +00:00
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"code.gitea.io/gitea/modules/graceful"
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2016-11-10 16:24:48 +00:00
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"code.gitea.io/gitea/modules/log"
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2020-05-02 23:04:31 +00:00
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"code.gitea.io/gitea/modules/process"
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2020-01-16 17:55:36 +00:00
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"code.gitea.io/gitea/modules/queue"
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2016-11-10 16:24:48 +00:00
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"code.gitea.io/gitea/modules/setting"
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2017-06-07 01:14:31 +00:00
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"github.com/jaytaylor/html2text"
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"gopkg.in/gomail.v2"
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2014-03-19 12:27:27 +00:00
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)
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2016-11-25 01:44:04 +00:00
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// Message mail body and log info
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2015-09-17 05:54:12 +00:00
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type Message struct {
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2020-01-16 17:55:36 +00:00
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Info string // Message information for log purpose.
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FromAddress string
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FromDisplayName string
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To []string
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Subject string
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Date time.Time
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Body string
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Headers map[string][]string
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2015-09-17 05:54:12 +00:00
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}
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2020-01-16 17:55:36 +00:00
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// ToMessage converts a Message to gomail.Message
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func (m *Message) ToMessage() *gomail.Message {
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2015-09-17 05:54:12 +00:00
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msg := gomail.NewMessage()
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2020-01-16 17:55:36 +00:00
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msg.SetAddressHeader("From", m.FromAddress, m.FromDisplayName)
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msg.SetHeader("To", m.To...)
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for header := range m.Headers {
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msg.SetHeader(header, m.Headers[header]...)
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}
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2019-04-17 04:56:40 +00:00
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if len(setting.MailService.SubjectPrefix) > 0 {
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2020-01-16 17:55:36 +00:00
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msg.SetHeader("Subject", setting.MailService.SubjectPrefix+" "+m.Subject)
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2019-04-17 04:56:40 +00:00
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} else {
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msg.SetHeader("Subject", m.Subject)
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2019-04-17 04:56:40 +00:00
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}
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2020-01-16 17:55:36 +00:00
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msg.SetDateHeader("Date", m.Date)
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2019-04-02 15:45:54 +00:00
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msg.SetHeader("X-Auto-Response-Suppress", "All")
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2016-05-30 08:32:01 +00:00
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2020-01-16 17:55:36 +00:00
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plainBody, err := html2text.FromString(m.Body)
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2017-06-07 01:14:31 +00:00
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if err != nil || setting.MailService.SendAsPlainText {
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2020-01-16 17:55:36 +00:00
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if strings.Contains(base.TruncateString(m.Body, 100), "<html>") {
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2017-06-07 01:14:31 +00:00
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log.Warn("Mail contains HTML but configured to send as plain text.")
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2016-05-30 08:50:20 +00:00
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}
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2017-06-07 01:14:31 +00:00
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msg.SetBody("text/plain", plainBody)
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} else {
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msg.SetBody("text/plain", plainBody)
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2020-01-16 17:55:36 +00:00
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msg.AddAlternative("text/html", m.Body)
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2016-05-30 08:18:49 +00:00
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}
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2021-12-08 07:34:23 +00:00
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if len(msg.GetHeader("Message-ID")) == 0 {
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msg.SetHeader("Message-ID", m.generateAutoMessageID())
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}
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2020-01-16 17:55:36 +00:00
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return msg
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}
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// SetHeader adds additional headers to a message
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func (m *Message) SetHeader(field string, value ...string) {
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m.Headers[field] = value
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}
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2021-12-08 07:34:23 +00:00
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func (m *Message) generateAutoMessageID() string {
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dateMs := m.Date.UnixNano() / 1e6
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h := fnv.New64()
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if len(m.To) > 0 {
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_, _ = h.Write([]byte(m.To[0]))
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}
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_, _ = h.Write([]byte(m.Subject))
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_, _ = h.Write([]byte(m.Body))
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return fmt.Sprintf("<autogen-%d-%016x@%s>", dateMs, h.Sum64(), setting.Domain)
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}
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2020-01-16 17:55:36 +00:00
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// NewMessageFrom creates new mail message object with custom From header.
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func NewMessageFrom(to []string, fromDisplayName, fromAddress, subject, body string) *Message {
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log.Trace("NewMessageFrom (body):\n%s", body)
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2015-09-17 05:54:12 +00:00
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return &Message{
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2020-01-16 17:55:36 +00:00
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FromAddress: fromAddress,
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FromDisplayName: fromDisplayName,
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To: to,
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Subject: subject,
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Date: time.Now(),
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Body: body,
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Headers: map[string][]string{},
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2015-09-17 05:54:12 +00:00
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}
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}
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// NewMessage creates new mail message object with default From header.
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func NewMessage(to []string, subject, body string) *Message {
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2017-09-21 04:29:45 +00:00
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return NewMessageFrom(to, setting.MailService.FromName, setting.MailService.FromEmail, subject, body)
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2015-09-17 05:54:12 +00:00
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}
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2015-08-20 05:56:25 +00:00
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type loginAuth struct {
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2015-08-20 11:12:55 +00:00
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username, password string
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2015-08-20 05:56:25 +00:00
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}
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2016-11-25 01:44:04 +00:00
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// LoginAuth SMTP AUTH LOGIN Auth Handler
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2015-08-20 05:56:25 +00:00
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func LoginAuth(username, password string) smtp.Auth {
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return &loginAuth{username, password}
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}
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2016-11-25 01:44:04 +00:00
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// Start start SMTP login auth
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2015-08-20 05:56:25 +00:00
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func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
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return "LOGIN", []byte{}, nil
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}
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2016-11-25 01:44:04 +00:00
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// Next next step of SMTP login auth
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2015-08-20 05:56:25 +00:00
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func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
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if more {
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switch string(fromServer) {
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case "Username:":
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return []byte(a.username), nil
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case "Password:":
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return []byte(a.password), nil
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default:
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2017-06-18 00:30:04 +00:00
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return nil, fmt.Errorf("unknown fromServer: %s", string(fromServer))
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2015-08-20 05:56:25 +00:00
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}
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}
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return nil, nil
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}
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2016-12-25 13:55:22 +00:00
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// Sender SMTP mail sender
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2022-01-20 17:46:10 +00:00
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type smtpSender struct{}
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2014-03-19 12:27:27 +00:00
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2016-11-25 01:44:04 +00:00
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// Send send email
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2016-12-25 13:55:22 +00:00
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func (s *smtpSender) Send(from string, to []string, msg io.WriterTo) error {
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2015-09-17 05:54:12 +00:00
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opts := setting.MailService
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2014-03-20 01:05:48 +00:00
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2015-09-17 05:54:12 +00:00
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host, port, err := net.SplitHostPort(opts.Host)
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2014-10-09 22:08:07 +00:00
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if err != nil {
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return err
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}
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2014-12-18 11:34:30 +00:00
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tlsconfig := &tls.Config{
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2015-09-17 05:54:12 +00:00
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InsecureSkipVerify: opts.SkipVerify,
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2014-10-09 22:08:07 +00:00
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ServerName: host,
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}
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2014-12-18 11:34:30 +00:00
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2015-09-17 05:54:12 +00:00
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if opts.UseCertificate {
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cert, err := tls.LoadX509KeyPair(opts.CertFile, opts.KeyFile)
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2015-02-13 07:33:55 +00:00
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if err != nil {
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return err
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}
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tlsconfig.Certificates = []tls.Certificate{cert}
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2014-10-09 22:08:07 +00:00
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}
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2014-12-18 11:34:30 +00:00
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2014-12-19 05:24:17 +00:00
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conn, err := net.Dial("tcp", net.JoinHostPort(host, port))
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if err != nil {
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2014-12-18 11:34:30 +00:00
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return err
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}
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defer conn.Close()
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2018-11-26 19:21:42 +00:00
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isSecureConn := opts.IsTLSEnabled || (strings.HasSuffix(port, "465"))
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2014-12-18 11:34:30 +00:00
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// Start TLS directly if the port ends with 465 (SMTPS protocol)
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2018-11-26 19:21:42 +00:00
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if isSecureConn {
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2014-12-18 11:34:30 +00:00
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conn = tls.Client(conn, tlsconfig)
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}
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2014-12-19 05:24:17 +00:00
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client, err := smtp.NewClient(conn, host)
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if err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("NewClient: %v", err)
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2014-10-09 22:08:07 +00:00
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}
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2016-08-29 07:10:21 +00:00
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if !opts.DisableHelo {
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hostname := opts.HeloHostname
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2015-07-03 06:08:18 +00:00
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if len(hostname) == 0 {
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hostname, err = os.Hostname()
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if err != nil {
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return err
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}
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}
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2015-02-20 07:12:27 +00:00
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2015-07-03 06:08:18 +00:00
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if err = client.Hello(hostname); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("Hello: %v", err)
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2015-07-03 06:08:18 +00:00
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}
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2015-02-20 07:12:27 +00:00
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}
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2015-02-19 07:47:05 +00:00
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2017-03-15 00:52:01 +00:00
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// If not using SMTPS, always use STARTTLS if available
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2014-12-19 05:24:17 +00:00
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hasStartTLS, _ := client.Extension("STARTTLS")
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if !isSecureConn && hasStartTLS {
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2014-12-18 11:34:30 +00:00
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if err = client.StartTLS(tlsconfig); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("StartTLS: %v", err)
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2014-12-18 11:34:30 +00:00
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}
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}
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2014-12-19 05:24:17 +00:00
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canAuth, options := client.Extension("AUTH")
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2015-09-17 05:54:12 +00:00
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if canAuth && len(opts.User) > 0 {
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2014-12-18 11:58:18 +00:00
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var auth smtp.Auth
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2014-12-18 12:15:13 +00:00
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if strings.Contains(options, "CRAM-MD5") {
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2015-09-17 05:54:12 +00:00
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auth = smtp.CRAMMD5Auth(opts.User, opts.Passwd)
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2014-12-18 12:15:13 +00:00
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} else if strings.Contains(options, "PLAIN") {
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2015-09-17 05:54:12 +00:00
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auth = smtp.PlainAuth("", opts.User, opts.Passwd, host)
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2015-08-20 05:56:25 +00:00
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} else if strings.Contains(options, "LOGIN") {
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2015-08-20 11:12:55 +00:00
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// Patch for AUTH LOGIN
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2015-09-17 05:54:12 +00:00
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auth = LoginAuth(opts.User, opts.Passwd)
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2014-12-18 11:58:18 +00:00
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}
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if auth != nil {
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if err = client.Auth(auth); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("Auth: %v", err)
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2014-12-18 11:58:18 +00:00
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}
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2014-10-09 22:08:07 +00:00
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}
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}
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2021-11-19 15:35:20 +00:00
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if opts.OverrideEnvelopeFrom {
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if err = client.Mail(opts.EnvelopeFrom); err != nil {
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return fmt.Errorf("Mail: %v", err)
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}
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} else {
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if err = client.Mail(from); err != nil {
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return fmt.Errorf("Mail: %v", err)
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}
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2014-10-09 22:08:07 +00:00
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}
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2015-09-17 05:54:12 +00:00
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for _, rec := range to {
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2014-10-09 22:08:07 +00:00
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if err = client.Rcpt(rec); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("Rcpt: %v", err)
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2014-10-09 22:08:07 +00:00
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}
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}
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w, err := client.Data()
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if err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("Data: %v", err)
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2015-09-17 05:54:12 +00:00
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} else if _, err = msg.WriteTo(w); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("WriteTo: %v", err)
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2015-09-17 05:54:12 +00:00
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} else if err = w.Close(); err != nil {
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2015-12-19 07:44:34 +00:00
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return fmt.Errorf("Close: %v", err)
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2014-10-09 22:08:07 +00:00
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}
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return client.Quit()
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}
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2016-12-25 13:55:22 +00:00
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// Sender sendmail mail sender
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2022-01-20 17:46:10 +00:00
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type sendmailSender struct{}
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2016-12-25 13:55:22 +00:00
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// Send send email
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func (s *sendmailSender) Send(from string, to []string, msg io.WriterTo) error {
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var err error
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var closeError error
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var waitError error
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2021-11-19 15:35:20 +00:00
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envelopeFrom := from
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if setting.MailService.OverrideEnvelopeFrom {
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envelopeFrom = setting.MailService.EnvelopeFrom
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}
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args := []string{"-f", envelopeFrom, "-i"}
|
2017-10-25 19:27:25 +00:00
|
|
|
args = append(args, setting.MailService.SendmailArgs...)
|
2016-12-25 13:55:22 +00:00
|
|
|
args = append(args, to...)
|
|
|
|
|
log.Trace("Sending with: %s %v", setting.MailService.SendmailPath, args)
|
2020-05-02 23:04:31 +00:00
|
|
|
|
|
|
|
|
desc := fmt.Sprintf("SendMail: %s %v", setting.MailService.SendmailPath, args)
|
|
|
|
|
|
2021-11-30 20:06:32 +00:00
|
|
|
ctx, _, finished := process.GetManager().AddContextTimeout(graceful.GetManager().HammerContext(), setting.MailService.SendmailTimeout, desc)
|
|
|
|
|
defer finished()
|
2020-05-02 23:04:31 +00:00
|
|
|
|
|
|
|
|
cmd := exec.CommandContext(ctx, setting.MailService.SendmailPath, args...)
|
2016-12-25 13:55:22 +00:00
|
|
|
pipe, err := cmd.StdinPipe()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err = cmd.Start(); err != nil {
|
2021-11-30 20:06:32 +00:00
|
|
|
_ = pipe.Close()
|
2016-12-25 13:55:22 +00:00
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
2022-01-06 00:43:45 +00:00
|
|
|
if setting.MailService.SendmailConvertCRLF {
|
|
|
|
|
buf := &strings.Builder{}
|
|
|
|
|
_, err = msg.WriteTo(buf)
|
|
|
|
|
if err == nil {
|
|
|
|
|
_, err = strings.NewReplacer("\r\n", "\n").WriteString(pipe, buf.String())
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
_, err = msg.WriteTo(pipe)
|
|
|
|
|
}
|
2014-03-19 12:27:27 +00:00
|
|
|
|
2016-12-25 13:55:22 +00:00
|
|
|
// we MUST close the pipe or sendmail will hang waiting for more of the message
|
|
|
|
|
// Also we should wait on our sendmail command even if something fails
|
|
|
|
|
closeError = pipe.Close()
|
2016-12-30 07:26:05 +00:00
|
|
|
waitError = cmd.Wait()
|
2016-12-25 13:55:22 +00:00
|
|
|
if err != nil {
|
|
|
|
|
return err
|
|
|
|
|
} else if closeError != nil {
|
|
|
|
|
return closeError
|
|
|
|
|
} else {
|
|
|
|
|
return waitError
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2019-02-03 02:06:52 +00:00
|
|
|
// Sender sendmail mail sender
|
2022-01-20 17:46:10 +00:00
|
|
|
type dummySender struct{}
|
2019-02-03 02:06:52 +00:00
|
|
|
|
|
|
|
|
// Send send email
|
|
|
|
|
func (s *dummySender) Send(from string, to []string, msg io.WriterTo) error {
|
|
|
|
|
buf := bytes.Buffer{}
|
|
|
|
|
if _, err := msg.WriteTo(&buf); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
log.Info("Mail From: %s To: %v Body: %s", from, to, buf.String())
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
2020-01-16 17:55:36 +00:00
|
|
|
var mailQueue queue.Queue
|
2015-09-17 05:54:12 +00:00
|
|
|
|
2016-12-25 13:55:22 +00:00
|
|
|
// Sender sender for sending mail synchronously
|
|
|
|
|
var Sender gomail.Sender
|
|
|
|
|
|
2016-11-25 01:44:04 +00:00
|
|
|
// NewContext start mail queue service
|
2015-09-17 05:54:12 +00:00
|
|
|
func NewContext() {
|
2016-02-20 22:32:34 +00:00
|
|
|
// Need to check if mailQueue is nil because in during reinstall (user had installed
|
2021-07-08 11:38:13 +00:00
|
|
|
// before but switched install lock off), this function will be called again
|
2016-02-20 22:32:34 +00:00
|
|
|
// while mail queue is already processing tasks, and produces a race condition.
|
|
|
|
|
if setting.MailService == nil || mailQueue != nil {
|
2015-09-17 05:54:12 +00:00
|
|
|
return
|
2014-03-19 12:27:27 +00:00
|
|
|
}
|
2015-09-17 05:54:12 +00:00
|
|
|
|
2019-02-03 02:06:52 +00:00
|
|
|
switch setting.MailService.MailerType {
|
|
|
|
|
case "smtp":
|
2016-12-25 13:55:22 +00:00
|
|
|
Sender = &smtpSender{}
|
2019-02-03 02:06:52 +00:00
|
|
|
case "sendmail":
|
|
|
|
|
Sender = &sendmailSender{}
|
|
|
|
|
case "dummy":
|
|
|
|
|
Sender = &dummySender{}
|
2016-12-25 13:55:22 +00:00
|
|
|
}
|
|
|
|
|
|
2020-01-16 17:55:36 +00:00
|
|
|
mailQueue = queue.CreateQueue("mail", func(data ...queue.Data) {
|
|
|
|
|
for _, datum := range data {
|
|
|
|
|
msg := datum.(*Message)
|
|
|
|
|
gomailMsg := msg.ToMessage()
|
|
|
|
|
log.Trace("New e-mail sending request %s: %s", gomailMsg.GetHeader("To"), msg.Info)
|
|
|
|
|
if err := gomail.Send(Sender, gomailMsg); err != nil {
|
|
|
|
|
log.Error("Failed to send emails %s: %s - %v", gomailMsg.GetHeader("To"), msg.Info, err)
|
|
|
|
|
} else {
|
|
|
|
|
log.Trace("E-mails sent %s: %s", gomailMsg.GetHeader("To"), msg.Info)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}, &Message{})
|
|
|
|
|
|
|
|
|
|
go graceful.GetManager().RunWithShutdownFns(mailQueue.Run)
|
2014-03-19 12:27:27 +00:00
|
|
|
}
|
|
|
|
|
|
2019-11-18 08:08:20 +00:00
|
|
|
// SendAsync send mail asynchronously
|
2014-03-20 01:05:48 +00:00
|
|
|
func SendAsync(msg *Message) {
|
2021-04-02 10:25:13 +00:00
|
|
|
SendAsyncs([]*Message{msg})
|
2014-03-19 12:27:27 +00:00
|
|
|
}
|
2019-11-18 08:08:20 +00:00
|
|
|
|
|
|
|
|
// SendAsyncs send mails asynchronously
|
|
|
|
|
func SendAsyncs(msgs []*Message) {
|
2021-04-02 10:25:13 +00:00
|
|
|
if setting.MailService == nil {
|
|
|
|
|
log.Error("Mailer: SendAsyncs is being invoked but mail service hasn't been initialized")
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2019-11-18 08:08:20 +00:00
|
|
|
go func() {
|
|
|
|
|
for _, msg := range msgs {
|
2020-01-16 17:55:36 +00:00
|
|
|
_ = mailQueue.Push(msg)
|
2019-11-18 08:08:20 +00:00
|
|
|
}
|
|
|
|
|
}()
|
|
|
|
|
}
|
