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forgejo/modules/setting/mailer.go
zeripath 38347aa16f
Add settings to allow different SMTP envelope from address (#17479)
* Add settings to allow different SMTP envelope from address

Sometimes it may be advisable to hide or alias the from address on an SMTP mail
envelope. This PR adds two new options to the mailer to allow setting of an overriding
from address.

Fix #17477

Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-11-19 23:35:20 +08:00

148 lines
4.2 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package setting
import (
"net/mail"
"time"
"code.gitea.io/gitea/modules/log"
shellquote "github.com/kballard/go-shellquote"
)
// Mailer represents mail service.
type Mailer struct {
// Mailer
Name string
From string
EnvelopeFrom string
OverrideEnvelopeFrom bool `ini:"-"`
FromName string
FromEmail string
SendAsPlainText bool
MailerType string
SubjectPrefix string
// SMTP sender
Host string
User, Passwd string
DisableHelo bool
HeloHostname string
SkipVerify bool
UseCertificate bool
CertFile, KeyFile string
IsTLSEnabled bool
// Sendmail sender
SendmailPath string
SendmailArgs []string
SendmailTimeout time.Duration
}
var (
// MailService the global mailer
MailService *Mailer
)
func newMailService() {
sec := Cfg.Section("mailer")
// Check mailer setting.
if !sec.Key("ENABLED").MustBool() {
return
}
MailService = &Mailer{
Name: sec.Key("NAME").MustString(AppName),
SendAsPlainText: sec.Key("SEND_AS_PLAIN_TEXT").MustBool(false),
MailerType: sec.Key("MAILER_TYPE").In("", []string{"smtp", "sendmail", "dummy"}),
Host: sec.Key("HOST").String(),
User: sec.Key("USER").String(),
Passwd: sec.Key("PASSWD").String(),
DisableHelo: sec.Key("DISABLE_HELO").MustBool(),
HeloHostname: sec.Key("HELO_HOSTNAME").String(),
SkipVerify: sec.Key("SKIP_VERIFY").MustBool(),
UseCertificate: sec.Key("USE_CERTIFICATE").MustBool(),
CertFile: sec.Key("CERT_FILE").String(),
KeyFile: sec.Key("KEY_FILE").String(),
IsTLSEnabled: sec.Key("IS_TLS_ENABLED").MustBool(),
SubjectPrefix: sec.Key("SUBJECT_PREFIX").MustString(""),
SendmailPath: sec.Key("SENDMAIL_PATH").MustString("sendmail"),
SendmailTimeout: sec.Key("SENDMAIL_TIMEOUT").MustDuration(5 * time.Minute),
}
MailService.From = sec.Key("FROM").MustString(MailService.User)
MailService.EnvelopeFrom = sec.Key("ENVELOPE_FROM").MustString("")
if sec.HasKey("ENABLE_HTML_ALTERNATIVE") {
log.Warn("ENABLE_HTML_ALTERNATIVE is deprecated, use SEND_AS_PLAIN_TEXT")
MailService.SendAsPlainText = !sec.Key("ENABLE_HTML_ALTERNATIVE").MustBool(false)
}
if sec.HasKey("USE_SENDMAIL") {
log.Warn("USE_SENDMAIL is deprecated, use MAILER_TYPE=sendmail")
if MailService.MailerType == "" && sec.Key("USE_SENDMAIL").MustBool(false) {
MailService.MailerType = "sendmail"
}
}
parsed, err := mail.ParseAddress(MailService.From)
if err != nil {
log.Fatal("Invalid mailer.FROM (%s): %v", MailService.From, err)
}
MailService.FromName = parsed.Name
MailService.FromEmail = parsed.Address
switch MailService.EnvelopeFrom {
case "":
MailService.OverrideEnvelopeFrom = false
case "<>":
MailService.EnvelopeFrom = ""
MailService.OverrideEnvelopeFrom = true
default:
parsed, err = mail.ParseAddress(MailService.EnvelopeFrom)
if err != nil {
log.Fatal("Invalid mailer.ENVELOPE_FROM (%s): %v", MailService.EnvelopeFrom, err)
}
MailService.OverrideEnvelopeFrom = true
MailService.EnvelopeFrom = parsed.Address
}
if MailService.MailerType == "" {
MailService.MailerType = "smtp"
}
if MailService.MailerType == "sendmail" {
MailService.SendmailArgs, err = shellquote.Split(sec.Key("SENDMAIL_ARGS").String())
if err != nil {
log.Error("Failed to parse Sendmail args: %s with error %v", CustomConf, err)
}
}
log.Info("Mail Service Enabled")
}
func newRegisterMailService() {
if !Cfg.Section("service").Key("REGISTER_EMAIL_CONFIRM").MustBool() {
return
} else if MailService == nil {
log.Warn("Register Mail Service: Mail Service is not enabled")
return
}
Service.RegisterEmailConfirm = true
log.Info("Register Mail Service Enabled")
}
func newNotifyMailService() {
if !Cfg.Section("service").Key("ENABLE_NOTIFY_MAIL").MustBool() {
return
} else if MailService == nil {
log.Warn("Notify Mail Service: Mail Service is not enabled")
return
}
Service.EnableNotifyMail = true
log.Info("Notify Mail Service Enabled")
}