forked from Silverfish/proton-bridge
116 lines
2.6 KiB
Go
116 lines
2.6 KiB
Go
// Copyright (c) 2024 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 syncservice
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import (
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"sync"
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"github.com/ProtonMail/go-proton-api"
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)
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type DownloadCache struct {
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messageLock sync.RWMutex
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messages map[string]proton.Message
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attachmentLock sync.RWMutex
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attachments map[string][]byte
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}
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func newDownloadCache() *DownloadCache {
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return &DownloadCache{
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messages: make(map[string]proton.Message, 64),
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attachments: make(map[string][]byte, 64),
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}
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}
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func (s *DownloadCache) StoreMessage(message proton.Message) {
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s.messageLock.Lock()
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defer s.messageLock.Unlock()
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s.messages[message.ID] = message
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}
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func (s *DownloadCache) StoreAttachment(id string, data []byte) {
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s.attachmentLock.Lock()
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defer s.attachmentLock.Unlock()
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s.attachments[id] = data
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}
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func (s *DownloadCache) DeleteMessages(id ...string) {
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s.messageLock.Lock()
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defer s.messageLock.Unlock()
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for _, id := range id {
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delete(s.messages, id)
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}
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}
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func (s *DownloadCache) DeleteAttachments(id ...string) {
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s.attachmentLock.Lock()
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defer s.attachmentLock.Unlock()
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for _, id := range id {
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delete(s.attachments, id)
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}
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}
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func (s *DownloadCache) GetMessage(id string) (proton.Message, bool) {
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s.messageLock.RLock()
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defer s.messageLock.RUnlock()
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v, ok := s.messages[id]
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return v, ok
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}
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func (s *DownloadCache) GetAttachment(id string) ([]byte, bool) {
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s.attachmentLock.RLock()
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defer s.attachmentLock.RUnlock()
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v, ok := s.attachments[id]
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return v, ok
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}
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func (s *DownloadCache) Clear() {
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s.messageLock.Lock()
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s.messages = make(map[string]proton.Message, 64)
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s.messageLock.Unlock()
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s.attachmentLock.Lock()
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s.attachments = make(map[string][]byte, 64)
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s.attachmentLock.Unlock()
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}
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func (s *DownloadCache) Count() (int, int) {
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var (
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messageCount int
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attachmentCount int
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)
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s.messageLock.Lock()
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messageCount = len(s.messages)
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s.messageLock.Unlock()
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s.attachmentLock.Lock()
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attachmentCount = len(s.attachments)
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s.attachmentLock.Unlock()
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return messageCount, attachmentCount
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}
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