forked from Silverfish/proton-bridge
121 lines
3.2 KiB
Go
121 lines
3.2 KiB
Go
// Copyright (c) 2020 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail 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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// ProtonMail 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 ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package imap
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import (
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"errors"
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"time"
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"github.com/ProtonMail/proton-bridge/internal/store"
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imap "github.com/emersion/go-imap"
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)
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// The mailbox containing all custom folders or labels.
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// The purpose of this mailbox is to see "Folders" and "Labels"
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// at the root of the mailbox tree, e.g.:
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//
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// Folders << this
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// Folders/Family
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//
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// Labels << this
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// Labels/Security
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//
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// This mailbox cannot be modified or read in any way.
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type imapRootMailbox struct {
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isFolder bool
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}
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func newFoldersRootMailbox() *imapRootMailbox {
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return &imapRootMailbox{isFolder: true}
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}
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func newLabelsRootMailbox() *imapRootMailbox {
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return &imapRootMailbox{isFolder: false}
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}
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func (m *imapRootMailbox) Name() string {
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if m.isFolder {
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return store.UserFoldersMailboxName
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}
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return store.UserLabelsMailboxName
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}
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func (m *imapRootMailbox) Info() (info *imap.MailboxInfo, err error) {
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info = &imap.MailboxInfo{
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Attributes: []string{imap.NoSelectAttr},
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Delimiter: store.PathDelimiter,
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}
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if m.isFolder {
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info.Name = store.UserFoldersMailboxName
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} else {
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info.Name = store.UserLabelsMailboxName
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}
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return
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}
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func (m *imapRootMailbox) Status(items []string) (status *imap.MailboxStatus, err error) {
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status = &imap.MailboxStatus{}
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if m.isFolder {
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status.Name = store.UserFoldersMailboxName
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} else {
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status.Name = store.UserLabelsMailboxName
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}
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return
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}
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func (m *imapRootMailbox) Subscribe() error {
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return errors.New("cannot subscribe to Labels or Folders mailboxes")
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}
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func (m *imapRootMailbox) Unsubscribe() error {
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return errors.New("cannot unsubscribe from Labels or Folders mailboxes")
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}
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func (m *imapRootMailbox) Check() error {
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return nil
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}
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func (m *imapRootMailbox) ListMessages(uid bool, seqset *imap.SeqSet, items []string, ch chan<- *imap.Message) error {
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close(ch)
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return nil
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}
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func (m *imapRootMailbox) SearchMessages(uid bool, criteria *imap.SearchCriteria) (ids []uint32, err error) {
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return
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}
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func (m *imapRootMailbox) CreateMessage(flags []string, t time.Time, body imap.Literal) error {
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return errors.New("cannot create a message in this mailbox")
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}
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func (m *imapRootMailbox) UpdateMessagesFlags(uid bool, seqset *imap.SeqSet, op imap.FlagsOp, flags []string) (err error) {
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return errors.New("cannot update message flags in this mailbox")
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}
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func (m *imapRootMailbox) CopyMessages(uid bool, seqset *imap.SeqSet, dest string) error {
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return nil
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}
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// Expunge is not used by Bridge. We delete the message once it is flagged as \Deleted.
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func (m *imapRootMailbox) Expunge() error {
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return nil
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}
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