gomuks/config/config.go
2019-01-23 00:26:51 +02:00

302 lines
7.6 KiB
Go

// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2019 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package config
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"strings"
"gopkg.in/yaml.v2"
"maunium.net/go/mautrix"
"maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/matrix/pushrules"
"maunium.net/go/gomuks/matrix/rooms"
)
type AuthCache struct {
NextBatch string `yaml:"next_batch"`
FilterID string `yaml:"filter_id"`
InitialSyncDone bool `yaml:"initial_sync_done"`
}
type UserPreferences struct {
HideUserList bool `yaml:"hide_user_list"`
HideRoomList bool `yaml:"hide_room_list"`
BareMessageView bool `yaml:"bare_message_view"`
DisableImages bool `yaml:"disable_images"`
DisableTypingNotifs bool `yaml:"disable_typing_notifs"`
DisableEmojis bool `yaml:"disable_emojis"`
}
// Config contains the main config of gomuks.
type Config struct {
UserID string `yaml:"mxid"`
AccessToken string `yaml:"access_token"`
HS string `yaml:"homeserver"`
Dir string `yaml:"-"`
CacheDir string `yaml:"cache_dir"`
HistoryDir string `yaml:"history_dir"`
MediaDir string `yaml:"media_dir"`
StateDir string `yaml:"state_dir"`
Preferences UserPreferences `yaml:"-"`
AuthCache AuthCache `yaml:"-"`
Rooms map[string]*rooms.Room `yaml:"-"`
PushRules *pushrules.PushRuleset `yaml:"-"`
nosave bool
}
// NewConfig creates a config that loads data from the given directory.
func NewConfig(configDir, cacheDir string) *Config {
return &Config{
Dir: configDir,
CacheDir: cacheDir,
HistoryDir: filepath.Join(cacheDir, "history"),
StateDir: filepath.Join(cacheDir, "state"),
MediaDir: filepath.Join(cacheDir, "media"),
Rooms: make(map[string]*rooms.Room),
}
}
// Clear clears the session cache and removes all history.
func (config *Config) Clear() {
os.RemoveAll(config.HistoryDir)
os.RemoveAll(config.StateDir)
os.RemoveAll(config.MediaDir)
os.RemoveAll(config.CacheDir)
config.nosave = true
}
func (config *Config) CreateCacheDirs() {
os.MkdirAll(config.CacheDir, 0700)
os.MkdirAll(config.HistoryDir, 0700)
os.MkdirAll(config.StateDir, 0700)
os.MkdirAll(config.MediaDir, 0700)
}
func (config *Config) DeleteSession() {
config.AuthCache.NextBatch = ""
config.AuthCache.InitialSyncDone = false
config.Rooms = make(map[string]*rooms.Room)
config.PushRules = nil
config.Clear()
config.nosave = false
config.CreateCacheDirs()
}
func (config *Config) LoadAll() {
config.Load()
config.LoadAuthCache()
config.LoadPushRules()
config.LoadPreferences()
config.LoadRooms()
}
// Load loads the config from config.yaml in the directory given to the config struct.
func (config *Config) Load() {
config.load("config", config.Dir, "config.yaml", config)
config.CreateCacheDirs()
}
func (config *Config) SaveAll() {
config.Save()
config.SaveAuthCache()
config.SavePushRules()
config.SavePreferences()
config.SaveRooms()
}
// Save saves this config to config.yaml in the directory given to the config struct.
func (config *Config) Save() {
config.save("config", config.Dir, "config.yaml", config)
}
func (config *Config) LoadPreferences() {
config.load("user preferences", config.CacheDir, "preferences.yaml", &config.Preferences)
}
func (config *Config) SavePreferences() {
config.save("user preferences", config.CacheDir, "preferences.yaml", &config.Preferences)
}
func (config *Config) LoadAuthCache() {
config.load("auth cache", config.CacheDir, "auth-cache.yaml", &config.AuthCache)
}
func (config *Config) SaveAuthCache() {
config.save("auth cache", config.CacheDir, "auth-cache.yaml", &config.AuthCache)
}
func (config *Config) LoadPushRules() {
config.load("push rules", config.CacheDir, "pushrules.json", &config.PushRules)
}
func (config *Config) SavePushRules() {
if config.PushRules == nil {
return
}
config.save("push rules", config.CacheDir, "pushrules.json", &config.PushRules)
}
func (config *Config) LoadRooms() {
os.MkdirAll(config.StateDir, 0700)
roomFiles, err := ioutil.ReadDir(config.StateDir)
if err != nil {
debug.Print("Failed to list rooms state caches in", config.StateDir)
panic(err)
}
for _, roomFile := range roomFiles {
if roomFile.IsDir() || !strings.HasSuffix(roomFile.Name(), ".gmxstate") {
continue
}
path := filepath.Join(config.StateDir, roomFile.Name())
room := &rooms.Room{}
err = room.Load(path)
if err != nil {
debug.Printf("Failed to load room state cache from %s: %v", path, err)
continue
}
config.Rooms[room.ID] = room
}
}
func (config *Config) SaveRooms() {
if config.nosave {
return
}
os.MkdirAll(config.StateDir, 0700)
for _, room := range config.Rooms {
path := config.getRoomCachePath(room)
err := room.Save(path)
if err != nil {
debug.Printf("Failed to save room state cache to file %s: %v", path, err)
}
}
}
func (config *Config) load(name, dir, file string, target interface{}) {
os.MkdirAll(dir, 0700)
path := filepath.Join(dir, file)
data, err := ioutil.ReadFile(path)
if err != nil {
if os.IsNotExist(err) {
return
}
debug.Print("Failed to read", name, "from", path)
panic(err)
}
if strings.HasSuffix(file, ".yaml") {
err = yaml.Unmarshal(data, target)
} else {
err = json.Unmarshal(data, target)
}
if err != nil {
debug.Print("Failed to parse", name, "at", path)
panic(err)
}
}
func (config *Config) save(name, dir, file string, source interface{}) {
if config.nosave {
return
}
os.MkdirAll(dir, 0700)
var data []byte
var err error
if strings.HasSuffix(file, ".yaml") {
data, err = yaml.Marshal(source)
} else {
data, err = json.Marshal(source)
}
if err != nil {
debug.Print("Failed to marshal", name)
panic(err)
}
path := filepath.Join(dir, file)
err = ioutil.WriteFile(path, data, 0600)
if err != nil {
debug.Print("Failed to write", name, "to", path)
panic(err)
}
}
func (config *Config) GetUserID() string {
return config.UserID
}
func (config *Config) SaveFilterID(_, filterID string) {
config.AuthCache.FilterID = filterID
config.SaveAuthCache()
}
func (config *Config) LoadFilterID(_ string) string {
return config.AuthCache.FilterID
}
func (config *Config) SaveNextBatch(_, nextBatch string) {
config.AuthCache.NextBatch = nextBatch
config.SaveAuthCache()
}
func (config *Config) LoadNextBatch(_ string) string {
return config.AuthCache.NextBatch
}
func (config *Config) GetRoom(roomID string) *rooms.Room {
room, _ := config.Rooms[roomID]
if room == nil {
room = rooms.NewRoom(roomID, config.UserID)
config.Rooms[room.ID] = room
}
return room
}
func (config *Config) getRoomCachePath(room *rooms.Room) string {
return filepath.Join(config.StateDir, room.ID+".gmxstate")
}
func (config *Config) PutRoom(room *rooms.Room) {
config.Rooms[room.ID] = room
room.Save(config.getRoomCachePath(room))
}
func (config *Config) SaveRoom(room *mautrix.Room) {
gmxRoom := config.GetRoom(room.ID)
gmxRoom.Room = room
gmxRoom.Save(config.getRoomCachePath(gmxRoom))
}
func (config *Config) LoadRoom(roomID string) *mautrix.Room {
return config.GetRoom(roomID).Room
}