mirror of
https://github.com/neilalexander/yggmail.git
synced 2026-04-23 18:46:28 +03:00
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
/*
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* Copyright (c) 2021 Neil Alexander
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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package imapserver
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import (
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"encoding/hex"
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"fmt"
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"log"
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"github.com/emersion/go-imap"
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"github.com/emersion/go-imap/backend"
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"github.com/neilalexander/yggmail/internal/config"
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"github.com/neilalexander/yggmail/internal/storage"
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"github.com/neilalexander/yggmail/internal/utils"
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)
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type Backend struct {
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Config *config.Config
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Log *log.Logger
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Storage storage.Storage
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Server *IMAPServer
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}
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func (b *Backend) Login(conn *imap.ConnInfo, username, password string) (backend.User, error) {
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// If our username is email-like, then take just the localpart
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if pk, err := utils.ParseAddress(username); err == nil {
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if !pk.Equal(b.Config.PublicKey) {
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b.Log.Println("Failed to authenticate IMAP user due to wrong domain", pk, b.Config.PublicKey)
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return nil, fmt.Errorf("failed to authenticate: wrong domain in username")
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}
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}
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username = hex.EncodeToString(b.Config.PublicKey)
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if authed, err := b.Storage.ConfigTryPassword(password); err != nil {
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b.Log.Printf("Failed to authenticate IMAP user %q due to error: %s", username, err)
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return nil, fmt.Errorf("failed to authenticate: %w", err)
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} else if !authed {
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b.Log.Printf("Failed to authenticate IMAP user %q\n", username)
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return nil, backend.ErrInvalidCredentials
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}
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defer b.Log.Printf("Authenticated IMAP user from %s as %q\n", conn.RemoteAddr.String(), username)
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user := &User{
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backend: b,
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username: username,
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conn: conn,
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}
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return user, nil
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}
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/*
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func (b *Backend) NotifyNew(id int) error {
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b.Server.server.ForEachConn(func(conn server.Conn) {
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notify := false
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for _, cap := range conn.Capabilities() {
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if cap == "NOTIFY" {
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notify = true
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}
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}
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if !notify {
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return
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}
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conn.WaitReady()
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conn.WriteResp()
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})
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return nil
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}
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*/
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