mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-11-24 14:21:37 +00:00
283 lines
9.2 KiB
Go
283 lines
9.2 KiB
Go
// Copyright (c) 2022 Tulir Asokan
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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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package whatsmeow
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import (
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"context"
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"encoding/hex"
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"errors"
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"fmt"
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"time"
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"go.mau.fi/whatsmeow/appstate"
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waBinary "go.mau.fi/whatsmeow/binary"
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waProto "go.mau.fi/whatsmeow/binary/proto"
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"go.mau.fi/whatsmeow/store"
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"go.mau.fi/whatsmeow/types"
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"go.mau.fi/whatsmeow/types/events"
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)
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// FetchAppState fetches updates to the given type of app state. If fullSync is true, the current
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// cached state will be removed and all app state patches will be re-fetched from the server.
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func (cli *Client) FetchAppState(name appstate.WAPatchName, fullSync, onlyIfNotSynced bool) error {
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cli.appStateSyncLock.Lock()
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defer cli.appStateSyncLock.Unlock()
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if fullSync {
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err := cli.Store.AppState.DeleteAppStateVersion(string(name))
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if err != nil {
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return fmt.Errorf("failed to reset app state %s version: %w", name, err)
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}
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}
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version, hash, err := cli.Store.AppState.GetAppStateVersion(string(name))
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if err != nil {
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return fmt.Errorf("failed to get app state %s version: %w", name, err)
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}
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if version == 0 {
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fullSync = true
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} else if onlyIfNotSynced {
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return nil
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}
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state := appstate.HashState{Version: version, Hash: hash}
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hasMore := true
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wantSnapshot := fullSync
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for hasMore {
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patches, err := cli.fetchAppStatePatches(name, state.Version, wantSnapshot)
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wantSnapshot = false
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if err != nil {
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return fmt.Errorf("failed to fetch app state %s patches: %w", name, err)
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}
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hasMore = patches.HasMorePatches
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mutations, newState, err := cli.appStateProc.DecodePatches(patches, state, true)
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if err != nil {
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if errors.Is(err, appstate.ErrKeyNotFound) {
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go cli.requestMissingAppStateKeys(context.TODO(), patches)
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}
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return fmt.Errorf("failed to decode app state %s patches: %w", name, err)
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}
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wasFullSync := state.Version == 0 && patches.Snapshot != nil
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state = newState
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if name == appstate.WAPatchCriticalUnblockLow && wasFullSync && !cli.EmitAppStateEventsOnFullSync {
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var contacts []store.ContactEntry
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mutations, contacts = cli.filterContacts(mutations)
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cli.Log.Debugf("Mass inserting app state snapshot with %d contacts into the store", len(contacts))
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err = cli.Store.Contacts.PutAllContactNames(contacts)
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if err != nil {
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// This is a fairly serious failure, so just abort the whole thing
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return fmt.Errorf("failed to update contact store with data from snapshot: %v", err)
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}
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}
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for _, mutation := range mutations {
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cli.dispatchAppState(mutation, !fullSync || cli.EmitAppStateEventsOnFullSync)
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}
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}
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if fullSync {
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cli.Log.Debugf("Full sync of app state %s completed. Current version: %d", name, state.Version)
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cli.dispatchEvent(&events.AppStateSyncComplete{Name: name})
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} else {
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cli.Log.Debugf("Synced app state %s from version %d to %d", name, version, state.Version)
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}
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return nil
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}
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func (cli *Client) filterContacts(mutations []appstate.Mutation) ([]appstate.Mutation, []store.ContactEntry) {
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filteredMutations := mutations[:0]
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contacts := make([]store.ContactEntry, 0, len(mutations))
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for _, mutation := range mutations {
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if mutation.Index[0] == "contact" && len(mutation.Index) > 1 {
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jid, _ := types.ParseJID(mutation.Index[1])
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act := mutation.Action.GetContactAction()
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contacts = append(contacts, store.ContactEntry{
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JID: jid,
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FirstName: act.GetFirstName(),
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FullName: act.GetFullName(),
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})
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} else {
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filteredMutations = append(filteredMutations, mutation)
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}
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}
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return filteredMutations, contacts
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}
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func (cli *Client) dispatchAppState(mutation appstate.Mutation, dispatchEvts bool) {
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if mutation.Operation != waProto.SyncdMutation_SET {
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return
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}
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if dispatchEvts {
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cli.dispatchEvent(&events.AppState{Index: mutation.Index, SyncActionValue: mutation.Action})
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}
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var jid types.JID
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if len(mutation.Index) > 1 {
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jid, _ = types.ParseJID(mutation.Index[1])
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}
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ts := time.Unix(mutation.Action.GetTimestamp(), 0)
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var storeUpdateError error
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var eventToDispatch interface{}
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switch mutation.Index[0] {
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case "mute":
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act := mutation.Action.GetMuteAction()
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eventToDispatch = &events.Mute{JID: jid, Timestamp: ts, Action: act}
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var mutedUntil time.Time
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if act.GetMuted() {
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mutedUntil = time.Unix(act.GetMuteEndTimestamp(), 0)
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}
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if cli.Store.ChatSettings != nil {
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storeUpdateError = cli.Store.ChatSettings.PutMutedUntil(jid, mutedUntil)
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}
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case "pin_v1":
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act := mutation.Action.GetPinAction()
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eventToDispatch = &events.Pin{JID: jid, Timestamp: ts, Action: act}
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if cli.Store.ChatSettings != nil {
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storeUpdateError = cli.Store.ChatSettings.PutPinned(jid, act.GetPinned())
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}
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case "archive":
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act := mutation.Action.GetArchiveChatAction()
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eventToDispatch = &events.Archive{JID: jid, Timestamp: ts, Action: act}
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if cli.Store.ChatSettings != nil {
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storeUpdateError = cli.Store.ChatSettings.PutArchived(jid, act.GetArchived())
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}
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case "contact":
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act := mutation.Action.GetContactAction()
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eventToDispatch = &events.Contact{JID: jid, Timestamp: ts, Action: act}
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if cli.Store.Contacts != nil {
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storeUpdateError = cli.Store.Contacts.PutContactName(jid, act.GetFirstName(), act.GetFullName())
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}
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case "deleteChat":
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act := mutation.Action.GetDeleteChatAction()
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eventToDispatch = &events.DeleteChat{JID: jid, Timestamp: ts, Action: act}
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case "star":
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if len(mutation.Index) < 5 {
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return
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}
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evt := events.Star{
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ChatJID: jid,
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MessageID: mutation.Index[2],
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Timestamp: ts,
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Action: mutation.Action.GetStarAction(),
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IsFromMe: mutation.Index[3] == "1",
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}
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if mutation.Index[4] != "0" {
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evt.SenderJID, _ = types.ParseJID(mutation.Index[4])
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}
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eventToDispatch = &evt
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case "deleteMessageForMe":
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if len(mutation.Index) < 5 {
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return
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}
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evt := events.DeleteForMe{
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ChatJID: jid,
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MessageID: mutation.Index[2],
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Timestamp: ts,
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Action: mutation.Action.GetDeleteMessageForMeAction(),
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IsFromMe: mutation.Index[3] == "1",
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}
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if mutation.Index[4] != "0" {
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evt.SenderJID, _ = types.ParseJID(mutation.Index[4])
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}
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eventToDispatch = &evt
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case "markChatAsRead":
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eventToDispatch = &events.MarkChatAsRead{
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JID: jid,
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Timestamp: ts,
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Action: mutation.Action.GetMarkChatAsReadAction(),
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}
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case "setting_pushName":
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eventToDispatch = &events.PushNameSetting{Timestamp: ts, Action: mutation.Action.GetPushNameSetting()}
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cli.Store.PushName = mutation.Action.GetPushNameSetting().GetName()
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err := cli.Store.Save()
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if err != nil {
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cli.Log.Errorf("Failed to save device store after updating push name: %v", err)
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}
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case "setting_unarchiveChats":
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eventToDispatch = &events.UnarchiveChatsSetting{Timestamp: ts, Action: mutation.Action.GetUnarchiveChatsSetting()}
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}
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if storeUpdateError != nil {
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cli.Log.Errorf("Failed to update device store after app state mutation: %v", storeUpdateError)
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}
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if dispatchEvts && eventToDispatch != nil {
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cli.dispatchEvent(eventToDispatch)
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}
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}
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func (cli *Client) downloadExternalAppStateBlob(ref *waProto.ExternalBlobReference) ([]byte, error) {
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return cli.Download(ref)
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}
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func (cli *Client) fetchAppStatePatches(name appstate.WAPatchName, fromVersion uint64, snapshot bool) (*appstate.PatchList, error) {
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attrs := waBinary.Attrs{
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"name": string(name),
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"return_snapshot": snapshot,
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}
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if !snapshot {
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attrs["version"] = fromVersion
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}
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resp, err := cli.sendIQ(infoQuery{
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Namespace: "w:sync:app:state",
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Type: "set",
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To: types.ServerJID,
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Content: []waBinary.Node{{
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Tag: "sync",
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Content: []waBinary.Node{{
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Tag: "collection",
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Attrs: attrs,
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}},
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}},
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})
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if err != nil {
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return nil, err
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}
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return appstate.ParsePatchList(resp, cli.downloadExternalAppStateBlob)
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}
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func (cli *Client) requestMissingAppStateKeys(ctx context.Context, patches *appstate.PatchList) {
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cli.appStateKeyRequestsLock.Lock()
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rawKeyIDs := cli.appStateProc.GetMissingKeyIDs(patches)
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filteredKeyIDs := make([][]byte, 0, len(rawKeyIDs))
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now := time.Now()
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for _, keyID := range rawKeyIDs {
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stringKeyID := hex.EncodeToString(keyID)
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lastRequestTime := cli.appStateKeyRequests[stringKeyID]
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if lastRequestTime.IsZero() || lastRequestTime.Add(24*time.Hour).Before(now) {
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cli.appStateKeyRequests[stringKeyID] = now
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filteredKeyIDs = append(filteredKeyIDs, keyID)
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}
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}
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cli.appStateKeyRequestsLock.Unlock()
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cli.requestAppStateKeys(ctx, filteredKeyIDs)
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}
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func (cli *Client) requestAppStateKeys(ctx context.Context, rawKeyIDs [][]byte) {
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keyIDs := make([]*waProto.AppStateSyncKeyId, len(rawKeyIDs))
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debugKeyIDs := make([]string, len(rawKeyIDs))
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for i, keyID := range rawKeyIDs {
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keyIDs[i] = &waProto.AppStateSyncKeyId{KeyId: keyID}
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debugKeyIDs[i] = hex.EncodeToString(keyID)
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}
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msg := &waProto.Message{
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ProtocolMessage: &waProto.ProtocolMessage{
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Type: waProto.ProtocolMessage_APP_STATE_SYNC_KEY_REQUEST.Enum(),
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AppStateSyncKeyRequest: &waProto.AppStateSyncKeyRequest{
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KeyIds: keyIDs,
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},
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},
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}
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ownID := cli.getOwnID().ToNonAD()
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if ownID.IsEmpty() || len(debugKeyIDs) == 0 {
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return
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}
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cli.Log.Infof("Sending key request for app state keys %+v", debugKeyIDs)
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_, err := cli.SendMessage(ctx, ownID, msg, SendRequestExtra{Peer: true})
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if err != nil {
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cli.Log.Warnf("Failed to send app state key request: %v", err)
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}
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}
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