forked from Silverfish/proton-bridge
fb4a0e77af
Add a dedicated go-routine whose sole responsibility is to manage the life time of the IMAP and SMTP servers and their listeners. The current implementation behaves the same way as the previous state. The new behavior will be implemented in a follow MR.
64 lines
2.1 KiB
Go
64 lines
2.1 KiB
Go
// Copyright (c) 2023 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package bridge
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import (
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"context"
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"crypto/tls"
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"github.com/ProtonMail/proton-bridge/v3/internal/constants"
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"github.com/ProtonMail/proton-bridge/v3/internal/logging"
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"github.com/emersion/go-sasl"
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"github.com/emersion/go-smtp"
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"github.com/sirupsen/logrus"
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)
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func (bridge *Bridge) restartSMTP(ctx context.Context) error {
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return bridge.serverManager.RestartSMTP(ctx)
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}
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func newSMTPServer(bridge *Bridge, tlsConfig *tls.Config, logSMTP bool) *smtp.Server {
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logrus.WithField("logSMTP", logSMTP).Info("Creating SMTP server")
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smtpServer := smtp.NewServer(&smtpBackend{Bridge: bridge})
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smtpServer.TLSConfig = tlsConfig
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smtpServer.Domain = constants.Host
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smtpServer.AllowInsecureAuth = true
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smtpServer.MaxLineLength = 1 << 16
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smtpServer.ErrorLog = logging.NewSMTPLogger()
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// go-smtp suppors SASL PLAIN but not LOGIN. We need to add LOGIN support ourselves.
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smtpServer.EnableAuth(sasl.Login, func(conn *smtp.Conn) sasl.Server {
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return sasl.NewLoginServer(func(username, password string) error {
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return conn.Session().AuthPlain(username, password)
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})
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})
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if logSMTP {
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log := logrus.WithField("protocol", "SMTP")
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log.Warning("================================================")
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log.Warning("THIS LOG WILL CONTAIN **DECRYPTED** MESSAGE DATA")
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log.Warning("================================================")
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smtpServer.Debug = logging.NewSMTPDebugLogger()
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}
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return smtpServer
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}
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