mautrix-whatsapp/main.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2022 Tulir Asokan
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//
// 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 main
import (
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_ "embed"
"net/http"
"os"
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"strconv"
"strings"
"sync"
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"time"
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"google.golang.org/protobuf/proto"
"go.mau.fi/whatsmeow"
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waProto "go.mau.fi/whatsmeow/binary/proto"
"go.mau.fi/whatsmeow/store"
"go.mau.fi/whatsmeow/store/sqlstore"
"go.mau.fi/whatsmeow/types"
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"maunium.net/go/mautrix/bridge"
"maunium.net/go/mautrix/bridge/commands"
"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix/util/configupgrade"
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"maunium.net/go/mautrix-whatsapp/config"
"maunium.net/go/mautrix-whatsapp/database"
)
// Information to find out exactly which commit the bridge was built from.
// These are filled at build time with the -X linker flag.
var (
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Tag = "unknown"
Commit = "unknown"
BuildTime = "unknown"
)
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//go:embed example-config.yaml
var ExampleConfig string
type WABridge struct {
bridge.Bridge
Config *config.Config
DB *database.Database
Provisioning *ProvisioningAPI
Formatter *Formatter
Metrics *MetricsHandler
WAContainer *sqlstore.Container
WAVersion string
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usersByMXID map[id.UserID]*User
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usersByUsername map[string]*User
usersLock sync.Mutex
spaceRooms map[id.RoomID]*User
spaceRoomsLock sync.Mutex
managementRooms map[id.RoomID]*User
managementRoomsLock sync.Mutex
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portalsByMXID map[id.RoomID]*Portal
portalsByJID map[database.PortalKey]*Portal
portalsLock sync.Mutex
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puppets map[types.JID]*Puppet
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puppetsByCustomMXID map[id.UserID]*Puppet
puppetsLock sync.Mutex
}
func (br *WABridge) Init() {
br.CommandProcessor = commands.NewProcessor(&br.Bridge)
br.RegisterCommands()
// TODO this is a weird place for this
br.EventProcessor.On(event.EphemeralEventPresence, br.HandlePresence)
Segment.log = br.Log.Sub("Segment")
Segment.key = br.Config.SegmentKey
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if Segment.IsEnabled() {
Segment.log.Infoln("Segment metrics are enabled")
}
br.DB = database.New(br.Bridge.DB)
br.WAContainer = sqlstore.NewWithDB(br.DB.DB, br.DB.Dialect.String(), nil)
br.WAContainer.DatabaseErrorHandler = br.DB.HandleSignalStoreError
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ss := br.Config.Bridge.Provisioning.SharedSecret
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if len(ss) > 0 && ss != "disable" {
br.Provisioning = &ProvisioningAPI{bridge: br}
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}
br.Formatter = NewFormatter(br)
br.Metrics = NewMetricsHandler(br.Config.Metrics.Listen, br.Log.Sub("Metrics"), br.DB)
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br.MatrixHandler.TrackEventDuration = br.Metrics.TrackMatrixEvent
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store.BaseClientPayload.UserAgent.OsVersion = proto.String(br.WAVersion)
store.BaseClientPayload.UserAgent.OsBuildNumber = proto.String(br.WAVersion)
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store.DeviceProps.Os = proto.String(br.Config.WhatsApp.OSName)
store.DeviceProps.RequireFullSync = proto.Bool(br.Config.Bridge.HistorySync.RequestFullSync)
versionParts := strings.Split(br.WAVersion, ".")
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if len(versionParts) > 2 {
primary, _ := strconv.Atoi(versionParts[0])
secondary, _ := strconv.Atoi(versionParts[1])
tertiary, _ := strconv.Atoi(versionParts[2])
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store.DeviceProps.Version.Primary = proto.Uint32(uint32(primary))
store.DeviceProps.Version.Secondary = proto.Uint32(uint32(secondary))
store.DeviceProps.Version.Tertiary = proto.Uint32(uint32(tertiary))
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}
platformID, ok := waProto.CompanionProps_CompanionPropsPlatformType_value[strings.ToUpper(br.Config.WhatsApp.BrowserName)]
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if ok {
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store.DeviceProps.PlatformType = waProto.CompanionProps_CompanionPropsPlatformType(platformID).Enum()
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}
}
func (br *WABridge) Start() {
err := br.WAContainer.Upgrade()
if err != nil {
br.Log.Fatalln("Failed to upgrade whatsmeow database: %v", err)
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os.Exit(15)
}
if br.Provisioning != nil {
br.Log.Debugln("Initializing provisioning API")
br.Provisioning.Init()
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}
go br.CheckWhatsAppUpdate()
go br.StartUsers()
if br.Config.Metrics.Enabled {
go br.Metrics.Start()
}
if br.Config.Bridge.ResendBridgeInfo {
go br.ResendBridgeInfo()
}
go br.Loop()
}
func (br *WABridge) CheckWhatsAppUpdate() {
br.Log.Debugfln("Checking for WhatsApp web update")
resp, err := whatsmeow.CheckUpdate(http.DefaultClient)
if err != nil {
br.Log.Warnfln("Failed to check for WhatsApp web update: %v", err)
return
}
if store.GetWAVersion() == resp.ParsedVersion {
br.Log.Debugfln("Bridge is using latest WhatsApp web protocol")
} else if store.GetWAVersion().LessThan(resp.ParsedVersion) {
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if resp.IsBelowHard || resp.IsBroken {
br.Log.Warnfln("Bridge is using outdated WhatsApp web protocol and probably doesn't work anymore (%s, latest is %s)", store.GetWAVersion(), resp.ParsedVersion)
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} else if resp.IsBelowSoft {
br.Log.Infofln("Bridge is using outdated WhatsApp web protocol (%s, latest is %s)", store.GetWAVersion(), resp.ParsedVersion)
} else {
br.Log.Debugfln("Bridge is using outdated WhatsApp web protocol (%s, latest is %s)", store.GetWAVersion(), resp.ParsedVersion)
}
} else {
br.Log.Debugfln("Bridge is using newer than latest WhatsApp web protocol")
}
}
func (br *WABridge) Loop() {
for {
br.SleepAndDeleteUpcoming()
time.Sleep(1 * time.Hour)
br.WarnUsersAboutDisconnection()
}
}
func (br *WABridge) WarnUsersAboutDisconnection() {
br.usersLock.Lock()
for _, user := range br.usersByUsername {
if user.IsConnected() && !user.PhoneRecentlySeen(true) {
go user.sendPhoneOfflineWarning()
}
}
br.usersLock.Unlock()
}
func (br *WABridge) ResendBridgeInfo() {
// FIXME
//if *dontSaveConfig {
// br.Log.Warnln("Not setting resend_bridge_info to false in config due to --no-update flag")
//} else {
// err := config.Mutate(*configPath, func(helper *configupgrade.Helper) {
// helper.Set(configupgrade.Bool, "false", "bridge", "resend_bridge_info")
// })
// if err != nil {
// br.Log.Errorln("Failed to save config after setting resend_bridge_info to false:", err)
// }
//}
//br.Log.Infoln("Re-sending bridge info state event to all portals")
//for _, portal := range br.GetAllPortals() {
// portal.UpdateBridgeInfo()
//}
//br.Log.Infoln("Finished re-sending bridge info state events")
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}
func (br *WABridge) StartUsers() {
br.Log.Debugln("Starting users")
foundAnySessions := false
for _, user := range br.GetAllUsers() {
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if !user.JID.IsEmpty() {
foundAnySessions = true
}
go user.Connect()
}
if !foundAnySessions {
br.sendGlobalBridgeState(BridgeState{StateEvent: StateUnconfigured}.fill(nil))
}
br.Log.Debugln("Starting custom puppets")
for _, loopuppet := range br.GetAllPuppetsWithCustomMXID() {
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go func(puppet *Puppet) {
puppet.log.Debugln("Starting custom puppet", puppet.CustomMXID)
err := puppet.StartCustomMXID(true)
if err != nil {
puppet.log.Errorln("Failed to start custom puppet:", err)
}
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}(loopuppet)
}
}
func (br *WABridge) Stop() {
br.Metrics.Stop()
for _, user := range br.usersByUsername {
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if user.Client == nil {
continue
}
br.Log.Debugln("Disconnecting", user.MXID)
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user.Client.Disconnect()
close(user.historySyncs)
}
}
func (br *WABridge) GetExampleConfig() string {
return ExampleConfig
}
func (br *WABridge) GetConfigPtr() interface{} {
br.Config = &config.Config{
BaseConfig: &br.Bridge.Config,
}
br.Config.BaseConfig.Bridge = &br.Config.Bridge
return br.Config
}
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func main() {
br := &WABridge{
usersByMXID: make(map[id.UserID]*User),
usersByUsername: make(map[string]*User),
spaceRooms: make(map[id.RoomID]*User),
managementRooms: make(map[id.RoomID]*User),
portalsByMXID: make(map[id.RoomID]*Portal),
portalsByJID: make(map[database.PortalKey]*Portal),
puppets: make(map[types.JID]*Puppet),
puppetsByCustomMXID: make(map[id.UserID]*Puppet),
}
br.Bridge = bridge.Bridge{
Name: "mautrix-whatsapp",
URL: "https://github.com/mautrix/whatsapp",
Description: "A Matrix-WhatsApp puppeting bridge.",
Version: "0.4.0",
ProtocolName: "WhatsApp",
ConfigUpgrader: &configupgrade.StructUpgrader{
SimpleUpgrader: configupgrade.SimpleUpgrader(config.DoUpgrade),
Blocks: config.SpacedBlocks,
Base: ExampleConfig,
},
Child: br,
}
br.InitVersion(Tag, Commit, BuildTime)
br.WAVersion = strings.FieldsFunc(br.Version, func(r rune) bool { return r == '-' || r == '+' })[0]
br.Main()
}