mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 20:56:51 +00:00
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
package bridge
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"fmt"
|
|
|
|
"github.com/ProtonMail/proton-bridge/v2/internal/constants"
|
|
"github.com/emersion/go-sasl"
|
|
"github.com/emersion/go-smtp"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
func (bridge *Bridge) GetSMTPPort() int {
|
|
return bridge.vault.GetSMTPPort()
|
|
}
|
|
|
|
func (bridge *Bridge) SetSMTPPort(newPort int) error {
|
|
if newPort == bridge.vault.GetSMTPPort() {
|
|
return nil
|
|
}
|
|
|
|
if err := bridge.vault.SetSMTPPort(newPort); err != nil {
|
|
return err
|
|
}
|
|
|
|
return bridge.restartSMTP()
|
|
}
|
|
|
|
func (bridge *Bridge) GetSMTPSSL() bool {
|
|
return bridge.vault.GetSMTPSSL()
|
|
}
|
|
|
|
func (bridge *Bridge) SetSMTPSSL(newSSL bool) error {
|
|
if newSSL == bridge.vault.GetSMTPSSL() {
|
|
return nil
|
|
}
|
|
|
|
if err := bridge.vault.SetSMTPSSL(newSSL); err != nil {
|
|
return err
|
|
}
|
|
|
|
return bridge.restartSMTP()
|
|
}
|
|
|
|
func (bridge *Bridge) serveSMTP() error {
|
|
smtpListener, err := newListener(bridge.vault.GetSMTPPort(), bridge.vault.GetSMTPSSL(), bridge.tlsConfig)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to create SMTP listener: %w", err)
|
|
}
|
|
|
|
bridge.smtpListener = smtpListener
|
|
|
|
go func() {
|
|
if err := bridge.smtpServer.Serve(bridge.smtpListener); err != nil {
|
|
logrus.WithError(err).Error("SMTP server stopped")
|
|
}
|
|
}()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (bridge *Bridge) restartSMTP() error {
|
|
if err := bridge.closeSMTP(); err != nil {
|
|
return err
|
|
}
|
|
|
|
smtpServer, err := newSMTPServer(bridge.smtpBackend, bridge.tlsConfig)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
bridge.smtpServer = smtpServer
|
|
|
|
return bridge.serveSMTP()
|
|
}
|
|
|
|
func (bridge *Bridge) closeSMTP() error {
|
|
if err := bridge.smtpServer.Close(); err != nil {
|
|
logrus.WithError(err).Warn("Failed to close SMTP server")
|
|
}
|
|
|
|
// Don't close the SMTP listener -- it's closed by the server.
|
|
|
|
return nil
|
|
}
|
|
|
|
func newSMTPServer(smtpBackend *smtpBackend, tlsConfig *tls.Config) (*smtp.Server, error) {
|
|
smtpServer := smtp.NewServer(smtpBackend)
|
|
|
|
smtpServer.TLSConfig = tlsConfig
|
|
smtpServer.Domain = constants.Host
|
|
smtpServer.AllowInsecureAuth = true
|
|
smtpServer.MaxLineLength = 1 << 16
|
|
|
|
smtpServer.EnableAuth(sasl.Login, func(conn *smtp.Conn) sasl.Server {
|
|
return sasl.NewLoginServer(func(address, password string) error {
|
|
user, err := conn.Server().Backend.Login(nil, address, password)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
conn.SetSession(user)
|
|
|
|
return nil
|
|
})
|
|
})
|
|
|
|
return smtpServer, nil
|
|
}
|