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Split mail sender sub package from mailer service package (#32618)

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Move all mail sender related codes into a sub package of
services/mailer. Just move, no code change.
Then we just have dependencies on go-mail package in the new sub
package. We can use other package to replace it because it's
unmaintainable. ref #18664
This commit is contained in:
Lunny Xiao 2024-11-29 17:15:41 -08:00 committed by GitHub
parent fd3aa5bedb
commit 79d593a9be
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GPG Key ID: B5690EEEBB952194
15 changed files with 503 additions and 405 deletions
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3
routers/private/mail.go
View File

@ -17,6 +17,7 @@ import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/services/context"
"code.gitea.io/gitea/services/mailer"
sender_service "code.gitea.io/gitea/services/mailer/sender"
)
// SendEmail pushes messages to mail queue
@ -81,7 +82,7 @@ func SendEmail(ctx *context.PrivateContext) {
func sendEmail(ctx *context.PrivateContext, subject, message string, to []string) {
for _, email := range to {
msg := mailer.NewMessage(email, subject, message)
msg := sender_service.NewMessage(email, subject, message)
mailer.SendAsync(msg)
}

19
services/mailer/mail.go
View File

@ -29,9 +29,8 @@ import (
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/translation"
incoming_payload "code.gitea.io/gitea/services/mailer/incoming/payload"
sender_service "code.gitea.io/gitea/services/mailer/sender"
"code.gitea.io/gitea/services/mailer/token"
"gopkg.in/gomail.v2"
)
const (
@ -60,7 +59,7 @@ func SendTestMail(email string) error {
// No mail service configured
return nil
}
return gomail.Send(Sender, NewMessage(email, "Gitea Test Email!", "Gitea Test Email!").ToMessage())
return sender_service.Send(sender, sender_service.NewMessage(email, "Gitea Test Email!", "Gitea Test Email!"))
}
// sendUserMail sends a mail to the user
@ -82,7 +81,7 @@ func sendUserMail(language string, u *user_model.User, tpl base.TplName, code, s
return
}
msg := NewMessage(u.EmailTo(), subject, content.String())
msg := sender_service.NewMessage(u.EmailTo(), subject, content.String())
msg.Info = fmt.Sprintf("UID: %d, %s", u.ID, info)
SendAsync(msg)
@ -130,7 +129,7 @@ func SendActivateEmailMail(u *user_model.User, email string) {
return
}
msg := NewMessage(email, locale.TrString("mail.activate_email"), content.String())
msg := sender_service.NewMessage(email, locale.TrString("mail.activate_email"), content.String())
msg.Info = fmt.Sprintf("UID: %d, activate email", u.ID)
SendAsync(msg)
@ -158,7 +157,7 @@ func SendRegisterNotifyMail(u *user_model.User) {
return
}
msg := NewMessage(u.EmailTo(), locale.TrString("mail.register_notify", setting.AppName), content.String())
msg := sender_service.NewMessage(u.EmailTo(), locale.TrString("mail.register_notify", setting.AppName), content.String())
msg.Info = fmt.Sprintf("UID: %d, registration notify", u.ID)
SendAsync(msg)
@ -189,13 +188,13 @@ func SendCollaboratorMail(u, doer *user_model.User, repo *repo_model.Repository)
return
}
msg := NewMessage(u.EmailTo(), subject, content.String())
msg := sender_service.NewMessage(u.EmailTo(), subject, content.String())
msg.Info = fmt.Sprintf("UID: %d, add collaborator", u.ID)
SendAsync(msg)
}
func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipients []*user_model.User, fromMention bool, info string) ([]*Message, error) {
func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipients []*user_model.User, fromMention bool, info string) ([]*sender_service.Message, error) {
var (
subject string
link string
@ -304,9 +303,9 @@ func composeIssueCommentMessages(ctx *mailCommentContext, lang string, recipient
return nil, err
}
msgs := make([]*Message, 0, len(recipients))
msgs := make([]*sender_service.Message, 0, len(recipients))
for _, recipient := range recipients {
msg := NewMessageFrom(
msg := sender_service.NewMessageFrom(
recipient.Email,
fromDisplayName(ctx.Doer),
setting.MailService.FromEmail,

5
services/mailer/mail_release.go
View File

@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/translation"
sender_service "code.gitea.io/gitea/services/mailer/sender"
)
const (
@ -80,11 +81,11 @@ func mailNewRelease(ctx context.Context, lang string, tos []*user_model.User, re
return
}
msgs := make([]*Message, 0, len(tos))
msgs := make([]*sender_service.Message, 0, len(tos))
publisherName := fromDisplayName(rel.Publisher)
msgID := generateMessageIDForRelease(rel)
for _, to := range tos {
msg := NewMessageFrom(to.EmailTo(), publisherName, setting.MailService.FromEmail, subject, mailBody.String())
msg := sender_service.NewMessageFrom(to.EmailTo(), publisherName, setting.MailService.FromEmail, subject, mailBody.String())
msg.Info = subject
msg.SetHeader("Message-ID", msgID)
msgs = append(msgs, msg)

3
services/mailer/mail_repo.go
View File

@ -13,6 +13,7 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/translation"
sender_service "code.gitea.io/gitea/services/mailer/sender"
)
// SendRepoTransferNotifyMail triggers a notification e-mail when a pending repository transfer was created
@ -79,7 +80,7 @@ func sendRepoTransferNotifyMailPerLang(lang string, newOwner, doer *user_model.U
}
for _, to := range emailTos {
msg := NewMessageFrom(to.EmailTo(), fromDisplayName(doer), setting.MailService.FromEmail, subject, content.String())
msg := sender_service.NewMessageFrom(to.EmailTo(), fromDisplayName(doer), setting.MailService.FromEmail, subject, content.String())
msg.Info = fmt.Sprintf("UID: %d, repository pending transfer notification", newOwner.ID)
SendAsync(msg)

3
services/mailer/mail_team_invite.go
View File

@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/translation"
sender_service "code.gitea.io/gitea/services/mailer/sender"
)
const (
@ -67,7 +68,7 @@ func MailTeamInvite(ctx context.Context, inviter *user_model.User, team *org_mod
return err
}
msg := NewMessage(invite.Email, subject, mailBody.String())
msg := sender_service.NewMessage(invite.Email, subject, mailBody.String())
msg.Info = subject
SendAsync(msg)

5
services/mailer/mail_test.go
View File

@ -23,6 +23,7 @@ import (
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
sender_service "code.gitea.io/gitea/services/mailer/sender"
"github.com/stretchr/testify/assert"
)
@ -167,7 +168,7 @@ func TestTemplateSelection(t *testing.T) {
template.Must(bodyTemplates.New("pull/comment").Parse("pull/comment/body"))
template.Must(bodyTemplates.New("issue/close").Parse("issue/close/body"))
expect := func(t *testing.T, msg *Message, expSubject, expBody string) {
expect := func(t *testing.T, msg *sender_service.Message, expSubject, expBody string) {
subject := msg.ToMessage().GetHeader("Subject")
msgbuf := new(bytes.Buffer)
_, _ = msg.ToMessage().WriteTo(msgbuf)
@ -252,7 +253,7 @@ func TestTemplateServices(t *testing.T) {
"//Re: //")
}
func testComposeIssueCommentMessage(t *testing.T, ctx *mailCommentContext, recipients []*user_model.User, fromMention bool, info string) *Message {
func testComposeIssueCommentMessage(t *testing.T, ctx *mailCommentContext, recipients []*user_model.User, fromMention bool, info string) *sender_service.Message {
msgs, err := composeIssueCommentMessages(ctx, "en-US", recipients, fromMention, info)
assert.NoError(t, err)
assert.Len(t, msgs, 1)

390
services/mailer/mailer.go
View File

@ -5,391 +5,21 @@
package mailer
import (
"bytes"
"context"
"crypto/tls"
"fmt"
"hash/fnv"
"io"
"net"
"net/smtp"
"os"
"os/exec"
"strings"
"time"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/queue"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/templates"
sender_service "code.gitea.io/gitea/services/mailer/sender"
notify_service "code.gitea.io/gitea/services/notify"
ntlmssp "github.com/Azure/go-ntlmssp"
"github.com/jaytaylor/html2text"
"gopkg.in/gomail.v2"
)
// Message mail body and log info
type Message struct {
Info string // Message information for log purpose.
FromAddress string
FromDisplayName string
To string // Use only one recipient to prevent leaking of addresses
ReplyTo string
Subject string
Date time.Time
Body string
Headers map[string][]string
}
var mailQueue *queue.WorkerPoolQueue[*sender_service.Message]
// ToMessage converts a Message to gomail.Message
func (m *Message) ToMessage() *gomail.Message {
msg := gomail.NewMessage()
msg.SetAddressHeader("From", m.FromAddress, m.FromDisplayName)
msg.SetHeader("To", m.To)
if m.ReplyTo != "" {
msg.SetHeader("Reply-To", m.ReplyTo)
}
for header := range m.Headers {
msg.SetHeader(header, m.Headers[header]...)
}
if setting.MailService.SubjectPrefix != "" {
msg.SetHeader("Subject", setting.MailService.SubjectPrefix+" "+m.Subject)
} else {
msg.SetHeader("Subject", m.Subject)
}
msg.SetDateHeader("Date", m.Date)
msg.SetHeader("X-Auto-Response-Suppress", "All")
plainBody, err := html2text.FromString(m.Body)
if err != nil || setting.MailService.SendAsPlainText {
if strings.Contains(base.TruncateString(m.Body, 100), "<html>") {
log.Warn("Mail contains HTML but configured to send as plain text.")
}
msg.SetBody("text/plain", plainBody)
} else {
msg.SetBody("text/plain", plainBody)
msg.AddAlternative("text/html", m.Body)
}
if len(msg.GetHeader("Message-ID")) == 0 {
msg.SetHeader("Message-ID", m.generateAutoMessageID())
}
for k, v := range setting.MailService.OverrideHeader {
if len(msg.GetHeader(k)) != 0 {
log.Debug("Mailer override header '%s' as per config", k)
}
msg.SetHeader(k, v...)
}
return msg
}
// SetHeader adds additional headers to a message
func (m *Message) SetHeader(field string, value ...string) {
m.Headers[field] = value
}
func (m *Message) generateAutoMessageID() string {
dateMs := m.Date.UnixNano() / 1e6
h := fnv.New64()
if len(m.To) > 0 {
_, _ = h.Write([]byte(m.To))
}
_, _ = h.Write([]byte(m.Subject))
_, _ = h.Write([]byte(m.Body))
return fmt.Sprintf("<autogen-%d-%016x@%s>", dateMs, h.Sum64(), setting.Domain)
}
// NewMessageFrom creates new mail message object with custom From header.
func NewMessageFrom(to, fromDisplayName, fromAddress, subject, body string) *Message {
log.Trace("NewMessageFrom (body):\n%s", body)
return &Message{
FromAddress: fromAddress,
FromDisplayName: fromDisplayName,
To: to,
Subject: subject,
Date: time.Now(),
Body: body,
Headers: map[string][]string{},
}
}
// NewMessage creates new mail message object with default From header.
func NewMessage(to, subject, body string) *Message {
return NewMessageFrom(to, setting.MailService.FromName, setting.MailService.FromEmail, subject, body)
}
type loginAuth struct {
username, password string
}
// LoginAuth SMTP AUTH LOGIN Auth Handler
func LoginAuth(username, password string) smtp.Auth {
return &loginAuth{username, password}
}
// Start start SMTP login auth
func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
return "LOGIN", []byte{}, nil
}
// Next next step of SMTP login auth
func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
if more {
switch string(fromServer) {
case "Username:":
return []byte(a.username), nil
case "Password:":
return []byte(a.password), nil
default:
return nil, fmt.Errorf("unknown fromServer: %s", string(fromServer))
}
}
return nil, nil
}
type ntlmAuth struct {
username, password, domain string
domainNeeded bool
}
// NtlmAuth SMTP AUTH NTLM Auth Handler
func NtlmAuth(username, password string) smtp.Auth {
user, domain, domainNeeded := ntlmssp.GetDomain(username)
return &ntlmAuth{user, password, domain, domainNeeded}
}
// Start starts SMTP NTLM Auth
func (a *ntlmAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
negotiateMessage, err := ntlmssp.NewNegotiateMessage(a.domain, "")
return "NTLM", negotiateMessage, err
}
// Next next step of SMTP ntlm auth
func (a *ntlmAuth) Next(fromServer []byte, more bool) ([]byte, error) {
if more {
if len(fromServer) == 0 {
return nil, fmt.Errorf("ntlm ChallengeMessage is empty")
}
authenticateMessage, err := ntlmssp.ProcessChallenge(fromServer, a.username, a.password, a.domainNeeded)
return authenticateMessage, err
}
return nil, nil
}
// Sender SMTP mail sender
type smtpSender struct{}
// Send send email
func (s *smtpSender) Send(from string, to []string, msg io.WriterTo) error {
opts := setting.MailService
var network string
var address string
if opts.Protocol == "smtp+unix" {
network = "unix"
address = opts.SMTPAddr
} else {
network = "tcp"
address = net.JoinHostPort(opts.SMTPAddr, opts.SMTPPort)
}
conn, err := net.Dial(network, address)
if err != nil {
return fmt.Errorf("failed to establish network connection to SMTP server: %w", err)
}
defer conn.Close()
var tlsconfig *tls.Config
if opts.Protocol == "smtps" || opts.Protocol == "smtp+starttls" {
tlsconfig = &tls.Config{
InsecureSkipVerify: opts.ForceTrustServerCert,
ServerName: opts.SMTPAddr,
}
if opts.UseClientCert {
cert, err := tls.LoadX509KeyPair(opts.ClientCertFile, opts.ClientKeyFile)
if err != nil {
return fmt.Errorf("could not load SMTP client certificate: %w", err)
}
tlsconfig.Certificates = []tls.Certificate{cert}
}
}
if opts.Protocol == "smtps" {
conn = tls.Client(conn, tlsconfig)
}
host := "localhost"
if opts.Protocol == "smtp+unix" {
host = opts.SMTPAddr
}
client, err := smtp.NewClient(conn, host)
if err != nil {
return fmt.Errorf("could not initiate SMTP session: %w", err)
}
if opts.EnableHelo {
hostname := opts.HeloHostname
if len(hostname) == 0 {
hostname, err = os.Hostname()
if err != nil {
return fmt.Errorf("could not retrieve system hostname: %w", err)
}
}
if err = client.Hello(hostname); err != nil {
return fmt.Errorf("failed to issue HELO command: %w", err)
}
}
if opts.Protocol == "smtp+starttls" {
hasStartTLS, _ := client.Extension("STARTTLS")
if hasStartTLS {
if err = client.StartTLS(tlsconfig); err != nil {
return fmt.Errorf("failed to start TLS connection: %w", err)
}
} else {
log.Warn("StartTLS requested, but SMTP server does not support it; falling back to regular SMTP")
}
}
canAuth, options := client.Extension("AUTH")
if len(opts.User) > 0 {
if !canAuth {
return fmt.Errorf("SMTP server does not support AUTH, but credentials provided")
}
var auth smtp.Auth
if strings.Contains(options, "CRAM-MD5") {
auth = smtp.CRAMMD5Auth(opts.User, opts.Passwd)
} else if strings.Contains(options, "PLAIN") {
auth = smtp.PlainAuth("", opts.User, opts.Passwd, host)
} else if strings.Contains(options, "LOGIN") {
// Patch for AUTH LOGIN
auth = LoginAuth(opts.User, opts.Passwd)
} else if strings.Contains(options, "NTLM") {
auth = NtlmAuth(opts.User, opts.Passwd)
}
if auth != nil {
if err = client.Auth(auth); err != nil {
return fmt.Errorf("failed to authenticate SMTP: %w", err)
}
}
}
if opts.OverrideEnvelopeFrom {
if err = client.Mail(opts.EnvelopeFrom); err != nil {
return fmt.Errorf("failed to issue MAIL command: %w", err)
}
} else {
if err = client.Mail(from); err != nil {
return fmt.Errorf("failed to issue MAIL command: %w", err)
}
}
for _, rec := range to {
if err = client.Rcpt(rec); err != nil {
return fmt.Errorf("failed to issue RCPT command: %w", err)
}
}
w, err := client.Data()
if err != nil {
return fmt.Errorf("failed to issue DATA command: %w", err)
} else if _, err = msg.WriteTo(w); err != nil {
return fmt.Errorf("SMTP write failed: %w", err)
} else if err = w.Close(); err != nil {
return fmt.Errorf("SMTP close failed: %w", err)
}
return client.Quit()
}
// Sender sendmail mail sender
type sendmailSender struct{}
// Send send email
func (s *sendmailSender) Send(from string, to []string, msg io.WriterTo) error {
var err error
var closeError error
var waitError error
envelopeFrom := from
if setting.MailService.OverrideEnvelopeFrom {
envelopeFrom = setting.MailService.EnvelopeFrom
}
args := []string{"-f", envelopeFrom, "-i"}
args = append(args, setting.MailService.SendmailArgs...)
args = append(args, to...)
log.Trace("Sending with: %s %v", setting.MailService.SendmailPath, args)
desc := fmt.Sprintf("SendMail: %s %v", setting.MailService.SendmailPath, args)
ctx, _, finished := process.GetManager().AddContextTimeout(graceful.GetManager().HammerContext(), setting.MailService.SendmailTimeout, desc)
defer finished()
cmd := exec.CommandContext(ctx, setting.MailService.SendmailPath, args...)
pipe, err := cmd.StdinPipe()
if err != nil {
return err
}
process.SetSysProcAttribute(cmd)
if err = cmd.Start(); err != nil {
_ = pipe.Close()
return err
}
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)
}
// 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()
waitError = cmd.Wait()
if err != nil {
return err
} else if closeError != nil {
return closeError
}
return waitError
}
// Sender sendmail mail sender
type dummySender struct{}
// 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.Debug("Mail From: %s To: %v Body: %s", from, to, buf.String())
return nil
}
var mailQueue *queue.WorkerPoolQueue[*Message]
// Sender sender for sending mail synchronously
var Sender gomail.Sender
// sender sender for sending mail synchronously
var sender sender_service.Sender
// NewContext start mail queue service
func NewContext(ctx context.Context) {
@ -406,20 +36,20 @@ func NewContext(ctx context.Context) {
switch setting.MailService.Protocol {
case "sendmail":
Sender = &sendmailSender{}
sender = &sender_service.SendmailSender{}
case "dummy":
Sender = &dummySender{}
sender = &sender_service.DummySender{}
default:
Sender = &smtpSender{}
sender = &sender_service.SMTPSender{}
}
subjectTemplates, bodyTemplates = templates.Mailer(ctx)
mailQueue = queue.CreateSimpleQueue(graceful.GetManager().ShutdownContext(), "mail", func(items ...*Message) []*Message {
mailQueue = queue.CreateSimpleQueue(graceful.GetManager().ShutdownContext(), "mail", func(items ...*sender_service.Message) []*sender_service.Message {
for _, msg := range items {
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 {
if err := sender_service.Send(sender, msg); 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)
@ -436,7 +66,7 @@ func NewContext(ctx context.Context) {
// SendAsync send emails asynchronously (make it mockable)
var SendAsync = sendAsync
func sendAsync(msgs ...*Message) {
func sendAsync(msgs ...*sender_service.Message) {
if setting.MailService == nil {
log.Error("Mailer: SendAsync is being invoked but mail service hasn't been initialized")
return

26
services/mailer/sender/dummy.go Normal file
View File

@ -0,0 +1,26 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"bytes"
"io"
"code.gitea.io/gitea/modules/log"
)
// DummySender Sender sendmail mail sender
type DummySender struct{}
var _ Sender = &DummySender{}
// 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.Debug("Mail From: %s To: %v Body: %s", from, to, buf.String())
return nil
}

112
services/mailer/sender/message.go Normal file
View File

@ -0,0 +1,112 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"fmt"
"hash/fnv"
"strings"
"time"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"github.com/jaytaylor/html2text"
"gopkg.in/gomail.v2"
)
// Message mail body and log info
type Message struct {
Info string // Message information for log purpose.
FromAddress string
FromDisplayName string
To string // Use only one recipient to prevent leaking of addresses
ReplyTo string
Subject string
Date time.Time
Body string
Headers map[string][]string
}
// ToMessage converts a Message to gomail.Message
func (m *Message) ToMessage() *gomail.Message {
msg := gomail.NewMessage()
msg.SetAddressHeader("From", m.FromAddress, m.FromDisplayName)
msg.SetHeader("To", m.To)
if m.ReplyTo != "" {
msg.SetHeader("Reply-To", m.ReplyTo)
}
for header := range m.Headers {
msg.SetHeader(header, m.Headers[header]...)
}
if setting.MailService.SubjectPrefix != "" {
msg.SetHeader("Subject", setting.MailService.SubjectPrefix+" "+m.Subject)
} else {
msg.SetHeader("Subject", m.Subject)
}
msg.SetDateHeader("Date", m.Date)
msg.SetHeader("X-Auto-Response-Suppress", "All")
plainBody, err := html2text.FromString(m.Body)
if err != nil || setting.MailService.SendAsPlainText {
if strings.Contains(base.TruncateString(m.Body, 100), "<html>") {
log.Warn("Mail contains HTML but configured to send as plain text.")
}
msg.SetBody("text/plain", plainBody)
} else {
msg.SetBody("text/plain", plainBody)
msg.AddAlternative("text/html", m.Body)
}
if len(msg.GetHeader("Message-ID")) == 0 {
msg.SetHeader("Message-ID", m.generateAutoMessageID())
}
for k, v := range setting.MailService.OverrideHeader {
if len(msg.GetHeader(k)) != 0 {
log.Debug("Mailer override header '%s' as per config", k)
}
msg.SetHeader(k, v...)
}
return msg
}
// SetHeader adds additional headers to a message
func (m *Message) SetHeader(field string, value ...string) {
m.Headers[field] = value
}
func (m *Message) generateAutoMessageID() string {
dateMs := m.Date.UnixNano() / 1e6
h := fnv.New64()
if len(m.To) > 0 {
_, _ = h.Write([]byte(m.To))
}
_, _ = h.Write([]byte(m.Subject))
_, _ = h.Write([]byte(m.Body))
return fmt.Sprintf("<autogen-%d-%016x@%s>", dateMs, h.Sum64(), setting.Domain)
}
// NewMessageFrom creates new mail message object with custom From header.
func NewMessageFrom(to, fromDisplayName, fromAddress, subject, body string) *Message {
log.Trace("NewMessageFrom (body):\n%s", body)
return &Message{
FromAddress: fromAddress,
FromDisplayName: fromDisplayName,
To: to,
Subject: subject,
Date: time.Now(),
Body: body,
Headers: map[string][]string{},
}
}
// NewMessage creates new mail message object with default From header.
func NewMessage(to, subject, body string) *Message {
return NewMessageFrom(to, setting.MailService.FromName, setting.MailService.FromEmail, subject, body)
}

4
services/mailer/mailer_test.go → services/mailer/sender/message_test.go
View File

@ -1,7 +1,7 @@
// Copyright 2021 The Gogs Authors. All rights reserved.
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package mailer
package sender
import (
"strings"

27
services/mailer/sender/sender.go Normal file
View File

@ -0,0 +1,27 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"gopkg.in/gomail.v2"
)
type Sender gomail.Sender
var Send = send
func send(sender Sender, msgs ...*Message) error {
if setting.MailService == nil {
log.Error("Mailer: Send is being invoked but mail service hasn't been initialized")
return nil
}
goMsgs := []*gomail.Message{}
for _, msg := range msgs {
goMsgs = append(goMsgs, msg.ToMessage())
}
return gomail.Send(sender, goMsgs...)
}

76
services/mailer/sender/sendmail.go Normal file
View File

@ -0,0 +1,76 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"fmt"
"io"
"os/exec"
"strings"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
)
// SendmailSender Sender sendmail mail sender
type SendmailSender struct{}
var _ Sender = &SendmailSender{}
// Send send email
func (s *SendmailSender) Send(from string, to []string, msg io.WriterTo) error {
var err error
var closeError error
var waitError error
envelopeFrom := from
if setting.MailService.OverrideEnvelopeFrom {
envelopeFrom = setting.MailService.EnvelopeFrom
}
args := []string{"-f", envelopeFrom, "-i"}
args = append(args, setting.MailService.SendmailArgs...)
args = append(args, to...)
log.Trace("Sending with: %s %v", setting.MailService.SendmailPath, args)
desc := fmt.Sprintf("SendMail: %s %v", setting.MailService.SendmailPath, args)
ctx, _, finished := process.GetManager().AddContextTimeout(graceful.GetManager().HammerContext(), setting.MailService.SendmailTimeout, desc)
defer finished()
cmd := exec.CommandContext(ctx, setting.MailService.SendmailPath, args...)
pipe, err := cmd.StdinPipe()
if err != nil {
return err
}
process.SetSysProcAttribute(cmd)
if err = cmd.Start(); err != nil {
_ = pipe.Close()
return err
}
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)
}
// 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()
waitError = cmd.Wait()
if err != nil {
return err
} else if closeError != nil {
return closeError
}
return waitError
}

150
services/mailer/sender/smtp.go Normal file
View File

@ -0,0 +1,150 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"crypto/tls"
"fmt"
"io"
"net"
"net/smtp"
"os"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
// SMTPSender Sender SMTP mail sender
type SMTPSender struct{}
var _ Sender = &SMTPSender{}
// Send send email
func (s *SMTPSender) Send(from string, to []string, msg io.WriterTo) error {
opts := setting.MailService
var network string
var address string
if opts.Protocol == "smtp+unix" {
network = "unix"
address = opts.SMTPAddr
} else {
network = "tcp"
address = net.JoinHostPort(opts.SMTPAddr, opts.SMTPPort)
}
conn, err := net.Dial(network, address)
if err != nil {
return fmt.Errorf("failed to establish network connection to SMTP server: %w", err)
}
defer conn.Close()
var tlsconfig *tls.Config
if opts.Protocol == "smtps" || opts.Protocol == "smtp+starttls" {
tlsconfig = &tls.Config{
InsecureSkipVerify: opts.ForceTrustServerCert,
ServerName: opts.SMTPAddr,
}
if opts.UseClientCert {
cert, err := tls.LoadX509KeyPair(opts.ClientCertFile, opts.ClientKeyFile)
if err != nil {
return fmt.Errorf("could not load SMTP client certificate: %w", err)
}
tlsconfig.Certificates = []tls.Certificate{cert}
}
}
if opts.Protocol == "smtps" {
conn = tls.Client(conn, tlsconfig)
}
host := "localhost"
if opts.Protocol == "smtp+unix" {
host = opts.SMTPAddr
}
client, err := smtp.NewClient(conn, host)
if err != nil {
return fmt.Errorf("could not initiate SMTP session: %w", err)
}
if opts.EnableHelo {
hostname := opts.HeloHostname
if len(hostname) == 0 {
hostname, err = os.Hostname()
if err != nil {
return fmt.Errorf("could not retrieve system hostname: %w", err)
}
}
if err = client.Hello(hostname); err != nil {
return fmt.Errorf("failed to issue HELO command: %w", err)
}
}
if opts.Protocol == "smtp+starttls" {
hasStartTLS, _ := client.Extension("STARTTLS")
if hasStartTLS {
if err = client.StartTLS(tlsconfig); err != nil {
return fmt.Errorf("failed to start TLS connection: %w", err)
}
} else {
log.Warn("StartTLS requested, but SMTP server does not support it; falling back to regular SMTP")
}
}
canAuth, options := client.Extension("AUTH")
if len(opts.User) > 0 {
if !canAuth {
return fmt.Errorf("SMTP server does not support AUTH, but credentials provided")
}
var auth smtp.Auth
if strings.Contains(options, "CRAM-MD5") {
auth = smtp.CRAMMD5Auth(opts.User, opts.Passwd)
} else if strings.Contains(options, "PLAIN") {
auth = smtp.PlainAuth("", opts.User, opts.Passwd, host)
} else if strings.Contains(options, "LOGIN") {
// Patch for AUTH LOGIN
auth = LoginAuth(opts.User, opts.Passwd)
} else if strings.Contains(options, "NTLM") {
auth = NtlmAuth(opts.User, opts.Passwd)
}
if auth != nil {
if err = client.Auth(auth); err != nil {
return fmt.Errorf("failed to authenticate SMTP: %w", err)
}
}
}
if opts.OverrideEnvelopeFrom {
if err = client.Mail(opts.EnvelopeFrom); err != nil {
return fmt.Errorf("failed to issue MAIL command: %w", err)
}
} else {
if err = client.Mail(from); err != nil {
return fmt.Errorf("failed to issue MAIL command: %w", err)
}
}
for _, rec := range to {
if err = client.Rcpt(rec); err != nil {
return fmt.Errorf("failed to issue RCPT command: %w", err)
}
}
w, err := client.Data()
if err != nil {
return fmt.Errorf("failed to issue DATA command: %w", err)
} else if _, err = msg.WriteTo(w); err != nil {
return fmt.Errorf("SMTP write failed: %w", err)
} else if err = w.Close(); err != nil {
return fmt.Errorf("SMTP close failed: %w", err)
}
return client.Quit()
}

69
services/mailer/sender/smtp_auth.go Normal file
View File

@ -0,0 +1,69 @@
// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package sender
import (
"fmt"
"net/smtp"
"github.com/Azure/go-ntlmssp"
)
type loginAuth struct {
username, password string
}
// LoginAuth SMTP AUTH LOGIN Auth Handler
func LoginAuth(username, password string) smtp.Auth {
return &loginAuth{username, password}
}
// Start start SMTP login auth
func (a *loginAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
return "LOGIN", []byte{}, nil
}
// Next next step of SMTP login auth
func (a *loginAuth) Next(fromServer []byte, more bool) ([]byte, error) {
if more {
switch string(fromServer) {
case "Username:":
return []byte(a.username), nil
case "Password:":
return []byte(a.password), nil
default:
return nil, fmt.Errorf("unknown fromServer: %s", string(fromServer))
}
}
return nil, nil
}
type ntlmAuth struct {
username, password, domain string
domainNeeded bool
}
// NtlmAuth SMTP AUTH NTLM Auth Handler
func NtlmAuth(username, password string) smtp.Auth {
user, domain, domainNeeded := ntlmssp.GetDomain(username)
return &ntlmAuth{user, password, domain, domainNeeded}
}
// Start starts SMTP NTLM Auth
func (a *ntlmAuth) Start(server *smtp.ServerInfo) (string, []byte, error) {
negotiateMessage, err := ntlmssp.NewNegotiateMessage(a.domain, "")
return "NTLM", negotiateMessage, err
}
// Next next step of SMTP ntlm auth
func (a *ntlmAuth) Next(fromServer []byte, more bool) ([]byte, error) {
if more {
if len(fromServer) == 0 {
return nil, fmt.Errorf("ntlm ChallengeMessage is empty")
}
authenticateMessage, err := ntlmssp.ProcessChallenge(fromServer, a.username, a.password, a.domainNeeded)
return authenticateMessage, err
}
return nil, nil
}

16
tests/integration/incoming_email_test.go
View File

@ -19,11 +19,11 @@ import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/services/mailer/incoming"
incoming_payload "code.gitea.io/gitea/services/mailer/incoming/payload"
sender_service "code.gitea.io/gitea/services/mailer/sender"
token_service "code.gitea.io/gitea/services/mailer/token"
"code.gitea.io/gitea/tests"
"github.com/stretchr/testify/assert"
"gopkg.in/gomail.v2"
)
func TestIncomingEmail(t *testing.T) {
@ -189,11 +189,15 @@ func TestIncomingEmail(t *testing.T) {
token, err := token_service.CreateToken(token_service.ReplyHandlerType, user, payload)
assert.NoError(t, err)
msg := gomail.NewMessage()
msg.SetHeader("To", strings.Replace(setting.IncomingEmail.ReplyToAddress, setting.IncomingEmail.TokenPlaceholder, token, 1))
msg.SetHeader("From", user.Email)
msg.SetBody("text/plain", token)
err = gomail.Send(&smtpTestSender{}, msg)
msg := sender_service.NewMessageFrom(
strings.Replace(setting.IncomingEmail.ReplyToAddress, setting.IncomingEmail.TokenPlaceholder, token, 1),
"",
user.Email,
"",
token,
)
err = sender_service.Send(&smtpTestSender{}, msg)
assert.NoError(t, err)
assert.Eventually(t, func() bool {