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status-go
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status-go/protocol/messenger_communities.go

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package protocol
import (
"context"
"crypto/ecdsa"
"errors"
"fmt"
"reflect"
"sync"
"time"
"golang.org/x/exp/maps"
"golang.org/x/exp/slices"
"golang.org/x/time/rate"
"github.com/golang/protobuf/proto"
"github.com/google/uuid"
gethcommon "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"go.uber.org/zap"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/status-im/status-go/account"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/images"
"github.com/status-im/status-go/multiaccounts/accounts"
"github.com/status-im/status-go/protocol/common"
"github.com/status-im/status-go/protocol/communities"
"github.com/status-im/status-go/protocol/communities/token"
"github.com/status-im/status-go/protocol/discord"
"github.com/status-im/status-go/protocol/protobuf"
"github.com/status-im/status-go/protocol/requests"
"github.com/status-im/status-go/protocol/transport"
v1protocol "github.com/status-im/status-go/protocol/v1"
localnotifications "github.com/status-im/status-go/services/local-notifications"
"github.com/status-im/status-go/services/wallet/bigint"
"github.com/status-im/status-go/signal"
)
// 7 days interval
var messageArchiveInterval = 7 * 24 * time.Hour
// 1 day interval
var updateActiveMembersInterval = 24 * time.Hour
const discordTimestampLayout = "2006-01-02T15:04:05+00:00"
const (
importSlowRate = time.Second / 1
importFastRate = time.Second / 100
importMessagesChunkSize = 10
importInitialDelay = time.Minute * 5
)
const (
maxChunkSizeMessages = 1000
maxChunkSizeBytes = 1500000
)
type FetchCommunityRequest struct {
// CommunityKey should be either a public or a private community key
CommunityKey string `json:"communityKey"`
Shard *common.Shard `json:"shard"`
TryDatabase bool `json:"tryDatabase"`
WaitForResponse bool `json:"waitForResponse"`
}
func (r *FetchCommunityRequest) Validate() error {
if len(r.CommunityKey) <= 2 {
return fmt.Errorf("community key is too short")
}
return nil
}
func (r *FetchCommunityRequest) getCommunityID() string {
return GetCommunityIDFromKey(r.CommunityKey)
}
func GetCommunityIDFromKey(communityKey string) string {
// Check if the key is a private key. strip the 0x at the start
if privateKey, err := crypto.HexToECDSA(communityKey[2:]); err == nil {
// It is a privateKey
return types.HexBytes(crypto.CompressPubkey(&privateKey.PublicKey)).String()
}
// Not a private key, use the public key
return communityKey
}
func (m *Messenger) publishOrg(org *communities.Community) error {
if org == nil {
return nil
}
m.logger.Debug("publishing org", zap.String("org-id", org.IDString()), zap.Any("org", org))
payload, err := org.MarshaledDescription()
if err != nil {
return err
}
rawMessage := common.RawMessage{
Payload: payload,
Sender: org.PrivateKey(),
// we don't want to wrap in an encryption layer message
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_DESCRIPTION,
PubsubTopic: org.PubsubTopic(), // TODO: confirm if it should be sent in community pubsub topic
}
_, err = m.sender.SendPublic(context.Background(), org.IDString(), rawMessage)
return err
}
func (m *Messenger) publishCommunityEvents(community *communities.Community, msg *communities.CommunityEventsMessage) error {
m.logger.Debug("publishing community events", zap.String("admin-id", common.PubkeyToHex(&m.identity.PublicKey)), zap.Any("event", msg))
payload, err := msg.Marshal()
if err != nil {
return err
}
rawMessage := common.RawMessage{
Payload: payload,
Sender: m.identity,
// we don't want to wrap in an encryption layer message
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_EVENTS_MESSAGE,
PubsubTopic: community.PubsubTopic(), // TODO: confirm if it should be sent in community pubsub topic
}
// TODO: resend in case of failure?
_, err = m.sender.SendPublic(context.Background(), types.EncodeHex(msg.CommunityID), rawMessage)
return err
}
func (m *Messenger) publishCommunityEventsRejected(community *communities.Community, msg *communities.CommunityEventsMessage) error {
if !community.IsControlNode() {
return communities.ErrNotControlNode
}
m.logger.Debug("publishing community events rejected", zap.Any("event", msg))
communityEventsMessage := msg.ToProtobuf()
communityEventsMessageRejected := &protobuf.CommunityEventsMessageRejected{
Msg: communityEventsMessage,
}
payload, err := proto.Marshal(communityEventsMessageRejected)
if err != nil {
return err
}
rawMessage := common.RawMessage{
Payload: payload,
Sender: community.PrivateKey(),
// we don't want to wrap in an encryption layer message
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_EVENTS_MESSAGE_REJECTED,
PubsubTopic: community.PubsubTopic(), // TODO: confirm if it should be sent in community pubsub topic
}
// TODO: resend in case of failure?
_, err = m.sender.SendPublic(context.Background(), types.EncodeHex(msg.CommunityID), rawMessage)
return err
}
func (m *Messenger) publishCommunityPrivilegedMemberSyncMessage(msg *communities.CommunityPrivilegedMemberSyncMessage) error {
m.logger.Debug("publishing privileged user sync message", zap.Any("event", msg))
payload, err := proto.Marshal(msg.CommunityPrivilegedUserSyncMessage)
if err != nil {
return err
}
rawMessage := &common.RawMessage{
Payload: payload,
Sender: msg.CommunityPrivateKey, // if empty, sender private key will be used in SendPrivate
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_PRIVILEGED_USER_SYNC_MESSAGE,
}
for _, receivers := range msg.Receivers {
_, err = m.sender.SendPrivate(context.Background(), receivers, rawMessage)
}
return err
}
func (m *Messenger) handleCommunitiesHistoryArchivesSubscription(c chan *communities.Subscription) {
go func() {
for {
select {
case sub, more := <-c:
if !more {
return
}
if sub.CreatingHistoryArchivesSignal != nil {
m.config.messengerSignalsHandler.CreatingHistoryArchives(sub.CreatingHistoryArchivesSignal.CommunityID)
}
if sub.HistoryArchivesCreatedSignal != nil {
m.config.messengerSignalsHandler.HistoryArchivesCreated(
sub.HistoryArchivesCreatedSignal.CommunityID,
sub.HistoryArchivesCreatedSignal.From,
sub.HistoryArchivesCreatedSignal.To,
)
}
if sub.NoHistoryArchivesCreatedSignal != nil {
m.config.messengerSignalsHandler.NoHistoryArchivesCreated(
sub.NoHistoryArchivesCreatedSignal.CommunityID,
sub.NoHistoryArchivesCreatedSignal.From,
sub.NoHistoryArchivesCreatedSignal.To,
)
}
if sub.HistoryArchivesSeedingSignal != nil {
m.config.messengerSignalsHandler.HistoryArchivesSeeding(sub.HistoryArchivesSeedingSignal.CommunityID)
c, err := m.communitiesManager.GetByIDString(sub.HistoryArchivesSeedingSignal.CommunityID)
if err != nil {
m.logger.Debug("failed to retrieve community by id string", zap.Error(err))
}
if c.IsControlNode() {
err := m.dispatchMagnetlinkMessage(sub.HistoryArchivesSeedingSignal.CommunityID)
if err != nil {
m.logger.Debug("failed to dispatch magnetlink message", zap.Error(err))
}
}
}
if sub.HistoryArchivesUnseededSignal != nil {
m.config.messengerSignalsHandler.HistoryArchivesUnseeded(sub.HistoryArchivesUnseededSignal.CommunityID)
}
if sub.HistoryArchiveDownloadedSignal != nil {
m.config.messengerSignalsHandler.HistoryArchiveDownloaded(
sub.HistoryArchiveDownloadedSignal.CommunityID,
sub.HistoryArchiveDownloadedSignal.From,
sub.HistoryArchiveDownloadedSignal.To,
)
}
if sub.DownloadingHistoryArchivesFinishedSignal != nil {
m.config.messengerSignalsHandler.DownloadingHistoryArchivesFinished(sub.DownloadingHistoryArchivesFinishedSignal.CommunityID)
}
if sub.DownloadingHistoryArchivesStartedSignal != nil {
m.config.messengerSignalsHandler.DownloadingHistoryArchivesStarted(sub.DownloadingHistoryArchivesStartedSignal.CommunityID)
}
if sub.ImportingHistoryArchiveMessagesSignal != nil {
m.config.messengerSignalsHandler.ImportingHistoryArchiveMessages(sub.ImportingHistoryArchiveMessagesSignal.CommunityID)
}
case <-m.quit:
return
}
}
}()
}
// handleCommunitiesSubscription handles events from communities
func (m *Messenger) handleCommunitiesSubscription(c chan *communities.Subscription) {
var lastPublished int64
// We check every 5 minutes if we need to publish
ticker := time.NewTicker(5 * time.Minute)
recentlyPublishedOrgs := func() map[string]*communities.Community {
result := make(map[string]*communities.Community)
controlledCommunities, err := m.communitiesManager.Controlled()
if err != nil {
m.logger.Warn("failed to retrieve orgs", zap.Error(err))
return result
}
for _, org := range controlledCommunities {
result[org.IDString()] = org
}
return result
}()
publishOrgAndDistributeEncryptionKeys := func(community *communities.Community) {
err := m.publishOrg(community)
if err != nil {
m.logger.Warn("failed to publish org", zap.Error(err))
return
}
m.logger.Debug("published org")
recentlyPublishedOrg := recentlyPublishedOrgs[community.IDString()]
// signal client with published community
if m.config.messengerSignalsHandler != nil {
if recentlyPublishedOrg == nil || community.Clock() > recentlyPublishedOrg.Clock() {
response := &MessengerResponse{}
response.AddCommunity(community)
m.config.messengerSignalsHandler.MessengerResponse(response)
}
}
// evaluate and distribute encryption keys (if any)
encryptionKeyActions := communities.EvaluateCommunityEncryptionKeyActions(recentlyPublishedOrg, community)
err = m.communitiesKeyDistributor.Distribute(community, encryptionKeyActions)
if err != nil {
m.logger.Warn("failed to distribute encryption keys", zap.Error(err))
}
recentlyPublishedOrgs[community.IDString()] = community.CreateDeepCopy()
}
go func() {
for {
select {
case sub, more := <-c:
if !more {
return
}
if sub.Community != nil {
publishOrgAndDistributeEncryptionKeys(sub.Community)
}
if sub.CommunityEventsMessage != nil {
err := m.publishCommunityEvents(sub.Community, sub.CommunityEventsMessage)
if err != nil {
m.logger.Warn("failed to publish community events", zap.Error(err))
}
}
if sub.CommunityEventsMessageInvalidClock != nil {
err := m.publishCommunityEventsRejected(sub.CommunityEventsMessageInvalidClock.Community,
sub.CommunityEventsMessageInvalidClock.CommunityEventsMessage)
if err != nil {
m.logger.Warn("failed to publish community events rejected", zap.Error(err))
}
}
if sub.AcceptedRequestsToJoin != nil {
for _, requestID := range sub.AcceptedRequestsToJoin {
accept := &requests.AcceptRequestToJoinCommunity{
ID: requestID,
}
_, err := m.AcceptRequestToJoinCommunity(accept)
if err != nil {
m.logger.Warn("failed to accept request to join ", zap.Error(err))
}
}
}
if sub.RejectedRequestsToJoin != nil {
for _, requestID := range sub.RejectedRequestsToJoin {
reject := &requests.DeclineRequestToJoinCommunity{
ID: requestID,
}
_, err := m.DeclineRequestToJoinCommunity(reject)
if err != nil {
m.logger.Warn("failed to decline request to join ", zap.Error(err))
}
}
}
if sub.CommunityPrivilegedMemberSyncMessage != nil {
if err := m.publishCommunityPrivilegedMemberSyncMessage(sub.CommunityPrivilegedMemberSyncMessage); err != nil {
m.logger.Warn("failed to publish community private members sync message", zap.Error(err))
}
}
if sub.TokenCommunityValidated != nil {
state := m.buildMessageState()
communityResponse := sub.TokenCommunityValidated
err := m.handleCommunityResponse(state, communityResponse)
if err != nil {
m.logger.Error("failed to handle community response", zap.Error(err))
}
m.processCommunityChanges(state)
response, err := m.saveDataAndPrepareResponse(state)
if err != nil {
m.logger.Error("failed to save data and prepare response")
}
// control node changed and we were kicked out. It now awaits our addresses
if communityResponse.Changes.ControlNodeChanged != nil && communityResponse.Changes.MemberKicked {
requestToJoin, err := m.sendSharedAddressToControlNode(communityResponse.Community.ControlNode(), communityResponse.Community)
if err != nil {
m.logger.Error("share address to control node failed", zap.String("id", types.EncodeHex(communityResponse.Community.ID())), zap.Error(err))
} else {
state.Response.RequestsToJoinCommunity = append(state.Response.RequestsToJoinCommunity, requestToJoin)
}
}
if m.config.messengerSignalsHandler != nil {
m.config.messengerSignalsHandler.MessengerResponse(response)
}
}
case <-ticker.C:
// If we are not online, we don't even try
if !m.online() {
continue
}
// If not enough time has passed since last advertisement, we skip this
if time.Now().Unix()-lastPublished < communityAdvertiseIntervalSecond {
continue
}
controlledCommunities, err := m.communitiesManager.Controlled()
if err != nil {
m.logger.Warn("failed to retrieve orgs", zap.Error(err))
}
for idx := range controlledCommunities {
org := controlledCommunities[idx]
_, beingImported := m.importingCommunities[org.IDString()]
if !beingImported {
publishOrgAndDistributeEncryptionKeys(org)
}
}
// set lastPublished
lastPublished = time.Now().Unix()
case <-m.quit:
return
}
}
}()
}
func (m *Messenger) updateCommunitiesActiveMembersPeriodically() {
communitiesLastUpdated := make(map[string]int64)
// We check every 5 minutes if we need to update
ticker := time.NewTicker(5 * time.Minute)
go func() {
for {
select {
case <-ticker.C:
controlledCommunities, err := m.communitiesManager.Controlled()
if err != nil {
m.logger.Error("failed to update community active members count", zap.Error(err))
}
for _, community := range controlledCommunities {
lastUpdated, ok := communitiesLastUpdated[community.IDString()]
if !ok {
lastUpdated = 0
}
// If not enough time has passed since last update, we skip this
if time.Now().Unix()-lastUpdated < int64(updateActiveMembersInterval.Seconds()) {
continue
}
if err := m.updateCommunityActiveMembers(community.IDString()); err == nil {
communitiesLastUpdated[community.IDString()] = time.Now().Unix()
// Perf: ensure `updateCommunityActiveMembers` is not called few times in a row
// Next communities will be handled in subsequent ticks
break
} else {
m.logger.Error("failed to update community active members count", zap.Error(err))
}
}
case <-m.quit:
return
}
}
}()
}
func (m *Messenger) CheckCommunitiesToUnmute() (*MessengerResponse, error) {
m.logger.Debug("watching communities to unmute")
response := &MessengerResponse{}
communities, err := m.communitiesManager.All()
if err != nil {
return nil, fmt.Errorf("couldn't get all communities: %v", err)
}
for _, community := range communities {
communityMuteTill, err := time.Parse(time.RFC3339, community.MuteTill().Format(time.RFC3339))
if err != nil {
return nil, err
}
currTime, err := time.Parse(time.RFC3339, time.Now().Format(time.RFC3339))
if err != nil {
return nil, err
}
if currTime.After(communityMuteTill) && !communityMuteTill.Equal(time.Time{}) && community.Muted() {
err := m.communitiesManager.SetMuted(community.ID(), false)
if err != nil {
m.logger.Info("CheckCommunitiesToUnmute err", zap.Any("Couldn't unmute community", err))
break
}
err = m.MuteCommunityTill(community.ID(), time.Time{})
if err != nil {
m.logger.Info("MuteCommunityTill err", zap.Any("Could not set mute community till", err))
break
}
unmutedCommunity, err := m.communitiesManager.GetByID(community.ID())
if err != nil {
return nil, err
}
response.AddCommunity(unmutedCommunity)
}
}
return response, nil
}
func (m *Messenger) updateCommunityActiveMembers(communityID string) error {
lastWeek := time.Now().AddDate(0, 0, -7).Unix()
count, err := m.persistence.CountActiveChattersInCommunity(communityID, lastWeek)
if err != nil {
return err
}
if err = m.communitiesManager.SetCommunityActiveMembersCount(communityID, uint64(count)); err != nil {
return err
}
m.logger.Debug("community active members updated", zap.String("communityID", communityID), zap.Uint("count", count))
return nil
}
func (m *Messenger) Communities() ([]*communities.Community, error) {
return m.communitiesManager.All()
}
func (m *Messenger) ControlledCommunities() ([]*communities.Community, error) {
return m.communitiesManager.Controlled()
}
func (m *Messenger) JoinedCommunities() ([]*communities.Community, error) {
return m.communitiesManager.Joined()
}
func (m *Messenger) SpectatedCommunities() ([]*communities.Community, error) {
return m.communitiesManager.Spectated()
}
const (
fetchError int = 0
fetchSuccess int = 1
fetchHasUnknowns int = 2
)
func calcTimeTillNextUpdate(fetchResultsHistory []int) time.Duration {
// TODO lower this back again once the real curated community contract is up
// The current contract contains communities that are no longer accessible on waku
const shortTimeout = 30 * time.Second
const averageTimeout = 60 * time.Second
const longTimeout = 300 * time.Second
twoConsecutiveErrors := (len(fetchResultsHistory) == 2 &&
fetchResultsHistory[0] == fetchError &&
fetchResultsHistory[1] == fetchError)
twoConsecutiveHasUnknowns := (len(fetchResultsHistory) == 2 &&
fetchResultsHistory[0] == fetchHasUnknowns &&
fetchResultsHistory[1] == fetchHasUnknowns)
var timeTillNextUpdate time.Duration
if twoConsecutiveErrors || twoConsecutiveHasUnknowns {
timeTillNextUpdate = longTimeout
} else {
switch fetchResultsHistory[len(fetchResultsHistory)-1] {
case fetchError:
timeTillNextUpdate = shortTimeout
case fetchSuccess:
timeTillNextUpdate = longTimeout
case fetchHasUnknowns:
timeTillNextUpdate = averageTimeout
}
}
return timeTillNextUpdate
}
// Regularly gets list of curated communities and signals them to client
func (m *Messenger) startCuratedCommunitiesUpdateLoop() {
logger := m.logger.Named("startCuratedCommunitiesUpdateLoop")
type curatedCommunities struct {
ContractCommunities []string
ContractFeaturedCommunities []string
UnknownCommunities []string
}
go func() {
var fetchResultsHistory = make([]int, 0)
var mu = sync.RWMutex{}
var c = curatedCommunities{}
for {
response, err := m.CuratedCommunities()
if err != nil {
fetchResultsHistory = append(fetchResultsHistory, fetchError)
} else {
mu.Lock()
// Check if it's the same values we had
if !reflect.DeepEqual(c.ContractCommunities, response.ContractCommunities) ||
!reflect.DeepEqual(c.ContractFeaturedCommunities, response.ContractFeaturedCommunities) ||
!reflect.DeepEqual(c.UnknownCommunities, response.UnknownCommunities) {
// One of the communities is different, send the updated response
m.config.messengerSignalsHandler.SendCuratedCommunitiesUpdate(response)
// Update the values
c.ContractCommunities = response.ContractCommunities
c.ContractFeaturedCommunities = response.ContractFeaturedCommunities
c.UnknownCommunities = response.UnknownCommunities
}
mu.Unlock()
if len(response.UnknownCommunities) == 0 {
fetchResultsHistory = append(fetchResultsHistory, fetchSuccess)
} else {
fetchResultsHistory = append(fetchResultsHistory, fetchHasUnknowns)
}
}
//keep only 2 last fetch results
if len(fetchResultsHistory) > 2 {
fetchResultsHistory = fetchResultsHistory[1:]
}
timeTillNextUpdate := calcTimeTillNextUpdate(fetchResultsHistory)
logger.Debug("Next curated communities update will happen in", zap.Duration("timeTillNextUpdate", timeTillNextUpdate))
select {
case <-time.After(timeTillNextUpdate):
case <-m.quit:
return
}
}
}()
}
func (m *Messenger) CuratedCommunities() (*communities.KnownCommunitiesResponse, error) {
if m.contractMaker == nil {
m.logger.Warn("contract maker not initialized")
return nil, errors.New("contract maker not initialized")
}
testNetworksEnabled, err := m.settings.GetTestNetworksEnabled()
if err != nil {
return nil, err
}
chainID := uint64(10) // Optimism Mainnet
if testNetworksEnabled {
chainID = 420 // Optimism Goerli
}
directory, err := m.contractMaker.NewDirectory(chainID)
if err != nil {
return nil, err
}
callOpts := &bind.CallOpts{Context: context.Background(), Pending: false}
curatedCommunities, err := directory.GetCommunities(callOpts)
if err != nil {
return nil, err
}
var communityIDs []types.HexBytes
for _, c := range curatedCommunities {
communityIDs = append(communityIDs, c)
}
response, err := m.communitiesManager.GetStoredDescriptionForCommunities(communityIDs)
if err != nil {
return nil, err
}
featuredCommunities, err := directory.GetFeaturedCommunities(callOpts)
if err != nil {
return nil, err
}
for _, c := range featuredCommunities {
response.ContractFeaturedCommunities = append(response.ContractFeaturedCommunities, types.HexBytes(c).String())
}
// TODO: use mechanism to obtain shard from community ID (https://github.com/status-im/status-desktop/issues/12585)
var unknownCommunities []communities.CommunityShard
for _, u := range response.UnknownCommunities {
unknownCommunities = append(unknownCommunities, communities.CommunityShard{
CommunityID: u,
})
}
go m.requestCommunitiesFromMailserver(unknownCommunities)
return response, nil
}
func (m *Messenger) initCommunityChats(community *communities.Community) ([]*Chat, error) {
logger := m.logger.Named("initCommunityChats")
publicFiltersToInit := community.DefaultFilters()
chats := CreateCommunityChats(community, m.getTimesource())
for _, chat := range chats {
publicFiltersToInit = append(publicFiltersToInit, transport.FiltersToInitialize{ChatID: chat.ID, PubsubTopic: community.PubsubTopic()})
}
// Load transport filters
filters, err := m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
logger.Debug("m.transport.InitPublicFilters error", zap.Error(err))
return nil, err
}
if community.IsControlNode() {
// Init the community filter so we can receive messages on the community
communityFilters, err := m.transport.InitCommunityFilters([]transport.CommunityFilterToInitialize{{
Shard: community.Shard().TransportShard(),
PrivKey: community.PrivateKey(),
}})
if err != nil {
return nil, err
}
filters = append(filters, communityFilters...)
}
willSync, err := m.scheduleSyncFilters(filters)
if err != nil {
logger.Debug("m.scheduleSyncFilters error", zap.Error(err))
return nil, err
}
if !willSync {
defaultSyncPeriod, err := m.settings.GetDefaultSyncPeriod()
if err != nil {
logger.Debug("m.settings.GetDefaultSyncPeriod error", zap.Error(err))
return nil, err
}
timestamp := uint32(m.getTimesource().GetCurrentTime()/1000) - defaultSyncPeriod
for idx := range chats {
chats[idx].SyncedTo = timestamp
chats[idx].SyncedFrom = timestamp
}
}
if err = m.saveChats(chats); err != nil {
logger.Debug("m.saveChats error", zap.Error(err))
return nil, err
}
return chats, nil
}
func (m *Messenger) initCommunitySettings(communityID types.HexBytes) (*communities.CommunitySettings, error) {
communitySettings, err := m.communitiesManager.GetCommunitySettingsByID(communityID)
if err != nil {
return nil, err
}
if communitySettings != nil {
return communitySettings, nil
}
communitySettings = &communities.CommunitySettings{
CommunityID: communityID.String(),
HistoryArchiveSupportEnabled: true,
}
if err := m.communitiesManager.SaveCommunitySettings(*communitySettings); err != nil {
return nil, err
}
return communitySettings, nil
}
func (m *Messenger) JoinCommunity(ctx context.Context, communityID types.HexBytes, forceJoin bool) (*MessengerResponse, error) {
mr, err := m.joinCommunity(ctx, communityID, forceJoin)
if err != nil {
return nil, err
}
if com, ok := mr.communities[communityID.String()]; ok {
err = m.syncCommunity(context.Background(), com, m.dispatchMessage)
if err != nil {
return nil, err
}
}
return mr, nil
}
func (m *Messenger) subscribeToCommunityShard(communityID []byte, shard *common.Shard) error {
if m.transport.WakuVersion() != 2 {
return nil
}
// TODO: this should probably be moved completely to transport once pubsub topic logic is implemented
pubsubTopic := transport.GetPubsubTopic(shard.TransportShard())
privK, err := m.transport.RetrievePubsubTopicKey(pubsubTopic)
if err != nil {
return err
}
var pubK *ecdsa.PublicKey
if privK != nil {
pubK = &privK.PublicKey
}
return m.transport.SubscribeToPubsubTopic(pubsubTopic, pubK)
}
func (m *Messenger) joinCommunity(ctx context.Context, communityID types.HexBytes, forceJoin bool) (*MessengerResponse, error) {
logger := m.logger.Named("joinCommunity")
response := &MessengerResponse{}
community, err := m.communitiesManager.JoinCommunity(communityID, forceJoin)
if err != nil {
logger.Debug("m.communitiesManager.JoinCommunity error", zap.Error(err))
return nil, err
}
// chats and settings are already initialized for spectated communities
if !community.Spectated() {
chats, err := m.initCommunityChats(community)
if err != nil {
return nil, err
}
response.AddChats(chats)
if _, err = m.initCommunitySettings(communityID); err != nil {
return nil, err
}
if err = m.subscribeToCommunityShard(community.ID(), community.Shard()); err != nil {
return nil, err
}
}
communitySettings, err := m.communitiesManager.GetCommunitySettingsByID(communityID)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.AddCommunitySettings(communitySettings)
if err = m.reregisterForPushNotifications(); err != nil {
return nil, err
}
if err = m.sendCurrentUserStatusToCommunity(ctx, community); err != nil {
logger.Debug("m.sendCurrentUserStatusToCommunity error", zap.Error(err))
return nil, err
}
if err = m.PublishIdentityImage(); err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) SpectateCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
logger := m.logger.Named("SpectateCommunity")
response := &MessengerResponse{}
community, err := m.communitiesManager.SpectateCommunity(communityID)
if err != nil {
logger.Debug("SpectateCommunity error", zap.Error(err))
return nil, err
}
chats, err := m.initCommunityChats(community)
if err != nil {
return nil, err
}
response.AddChats(chats)
settings, err := m.initCommunitySettings(communityID)
if err != nil {
return nil, err
}
response.AddCommunitySettings(settings)
response.AddCommunity(community)
if err = m.subscribeToCommunityShard(community.ID(), community.Shard()); err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) MuteDuration(mutedType requests.MutingVariation) (time.Time, error) {
var MuteTill time.Time
switch mutedType {
case MuteTill1Min:
MuteTill = time.Now().Add(MuteFor1MinDuration)
case MuteFor15Min:
MuteTill = time.Now().Add(MuteFor15MinsDuration)
case MuteFor1Hr:
MuteTill = time.Now().Add(MuteFor1HrsDuration)
case MuteFor8Hr:
MuteTill = time.Now().Add(MuteFor8HrsDuration)
case MuteFor1Week:
MuteTill = time.Now().Add(MuteFor1WeekDuration)
default:
MuteTill = time.Time{}
}
muteTillTimeRemoveMs, err := time.Parse(time.RFC3339, MuteTill.Format(time.RFC3339))
if err != nil {
return time.Time{}, err
}
return muteTillTimeRemoveMs, nil
}
func (m *Messenger) SetMuted(request *requests.MuteCommunity) error {
if err := request.Validate(); err != nil {
return err
}
if request.MutedType == Unmuted {
return m.communitiesManager.SetMuted(request.CommunityID, false)
}
return m.communitiesManager.SetMuted(request.CommunityID, true)
}
func (m *Messenger) MuteCommunityTill(communityID []byte, muteTill time.Time) error {
return m.communitiesManager.MuteCommunityTill(communityID, muteTill)
}
func (m *Messenger) MuteAllCommunityChats(request *requests.MuteCommunity) (time.Time, error) {
return m.UpdateMuteCommunityStatus(request.CommunityID.String(), true, request.MutedType)
}
func (m *Messenger) UnMuteAllCommunityChats(communityID string) (time.Time, error) {
return m.UpdateMuteCommunityStatus(communityID, false, Unmuted)
}
func (m *Messenger) UpdateMuteCommunityStatus(communityID string, muted bool, mutedType requests.MutingVariation) (time.Time, error) {
community, err := m.communitiesManager.GetByIDString(communityID)
if err != nil {
return time.Time{}, err
}
request := &requests.MuteCommunity{
CommunityID: community.ID(),
MutedType: mutedType,
}
err = m.SetMuted(request)
if err != nil {
return time.Time{}, err
}
muteTill, err := m.MuteDuration(mutedType)
if err != nil {
return time.Time{}, err
}
err = m.MuteCommunityTill(community.ID(), muteTill)
for _, chatID := range community.CommunityChatsIDs() {
if muted {
_, err := m.MuteChat(&requests.MuteChat{ChatID: communityID + chatID, MutedType: mutedType})
if err != nil {
return time.Time{}, err
}
} else {
err = m.UnmuteChat(communityID + chatID)
if err != nil {
return time.Time{}, err
}
}
if err != nil {
return time.Time{}, err
}
}
return muteTill, err
}
func (m *Messenger) SetMutePropertyOnChatsByCategory(request *requests.MuteCategory, muted bool) error {
if err := request.Validate(); err != nil {
return err
}
community, err := m.communitiesManager.GetByIDString(request.CommunityID)
if err != nil {
return err
}
for _, chatID := range community.ChatsByCategoryID(request.CategoryID) {
if muted {
_, err = m.MuteChat(&requests.MuteChat{ChatID: request.CommunityID + chatID, MutedType: request.MutedType})
} else {
err = m.UnmuteChat(request.CommunityID + chatID)
}
if err != nil {
return err
}
}
return nil
}
// Generates a single hash for each address that needs to be revealed to a community.
// Each hash needs to be signed.
// The order of retuned hashes corresponds to the order of addresses in addressesToReveal.
func (m *Messenger) generateCommunityRequestsForSigning(memberPubKey string, communityID types.HexBytes, addressesToReveal []string, isEdit bool) ([]account.SignParams, error) {
walletAccounts, err := m.settings.GetActiveAccounts()
if err != nil {
return nil, err
}
containsAddress := func(addresses []string, targetAddress string) bool {
for _, address := range addresses {
if types.HexToAddress(address) == types.HexToAddress(targetAddress) {
return true
}
}
return false
}
msgsToSign := make([]account.SignParams, 0)
for _, walletAccount := range walletAccounts {
if walletAccount.Chat || walletAccount.Type == accounts.AccountTypeWatch {
continue
}
if len(addressesToReveal) > 0 && !containsAddress(addressesToReveal, walletAccount.Address.Hex()) {
continue
}
requestID := []byte{}
if !isEdit {
requestID = communities.CalculateRequestID(memberPubKey, communityID)
}
msgsToSign = append(msgsToSign, account.SignParams{
Data: types.EncodeHex(crypto.Keccak256(m.IdentityPublicKeyCompressed(), communityID, requestID)),
Address: walletAccount.Address.Hex(),
})
}
return msgsToSign, nil
}
func (m *Messenger) GenerateJoiningCommunityRequestsForSigning(memberPubKey string, communityID types.HexBytes, addressesToReveal []string) ([]account.SignParams, error) {
if len(communityID) == 0 {
return nil, errors.New("communityID has to be provided")
}
return m.generateCommunityRequestsForSigning(memberPubKey, communityID, addressesToReveal, false)
}
func (m *Messenger) GenerateEditCommunityRequestsForSigning(memberPubKey string, communityID types.HexBytes, addressesToReveal []string) ([]account.SignParams, error) {
return m.generateCommunityRequestsForSigning(memberPubKey, communityID, addressesToReveal, true)
}
// Signs the provided messages with the provided accounts and password.
// Provided accounts must not belong to a keypair that is migrated to a keycard.
// Otherwise, the signing will fail, cause such accounts should be signed with a keycard.
func (m *Messenger) SignData(signParams []account.SignParams) ([]string, error) {
signatures := make([]string, len(signParams))
for i, param := range signParams {
if err := param.Validate(true); err != nil {
return nil, err
}
account, err := m.settings.GetAccountByAddress(types.HexToAddress(param.Address))
if err != nil {
return nil, err
}
if account.Chat || account.Type == accounts.AccountTypeWatch {
return nil, errors.New("cannot join a community using profile chat or watch-only account")
}
keypair, err := m.settings.GetKeypairByKeyUID(account.KeyUID)
if err != nil {
return nil, err
}
if keypair.MigratedToKeycard() {
return nil, errors.New("signing a joining community request for accounts migrated to keycard must be done with a keycard")
}
verifiedAccount, err := m.accountsManager.GetVerifiedWalletAccount(m.settings, param.Address, param.Password)
if err != nil {
return nil, err
}
signature, err := m.accountsManager.Sign(param, verifiedAccount)
if err != nil {
return nil, err
}
signatures[i] = types.EncodeHex(signature)
}
return signatures, nil
}
func (m *Messenger) RequestToJoinCommunity(request *requests.RequestToJoinCommunity) (*MessengerResponse, error) {
// TODO: Because of changes that need to be done in tests, calling this function and providing `request` without `AddressesToReveal`
// is not an error, but it should be.
logger := m.logger.Named("RequestToJoinCommunity")
if err := request.Validate(len(request.AddressesToReveal) > 0); err != nil {
logger.Debug("request failed to validate", zap.Error(err), zap.Any("request", request))
return nil, err
}
requestToJoin := m.communitiesManager.CreateRequestToJoin(request)
if len(request.AddressesToReveal) > 0 {
revealedAddresses := make([]gethcommon.Address, 0)
for _, addr := range request.AddressesToReveal {
revealedAddresses = append(revealedAddresses, gethcommon.HexToAddress(addr))
}
permissions, err := m.communitiesManager.CheckPermissionToJoin(request.CommunityID, revealedAddresses)
if err != nil {
return nil, err
}
if !permissions.Satisfied {
return nil, errors.New("permission to join not satisfied")
}
for _, accountAndChainIDs := range permissions.ValidCombinations {
for i := range requestToJoin.RevealedAccounts {
if gethcommon.HexToAddress(requestToJoin.RevealedAccounts[i].Address) == accountAndChainIDs.Address {
requestToJoin.RevealedAccounts[i].ChainIds = accountAndChainIDs.ChainIDs
}
}
}
}
community, err := m.communitiesManager.CheckCommunityForJoining(request.CommunityID)
if err != nil {
return nil, err
}
displayName, err := m.settings.DisplayName()
if err != nil {
return nil, err
}
requestToJoinProto := &protobuf.CommunityRequestToJoin{
Clock: requestToJoin.Clock,
EnsName: requestToJoin.ENSName,
DisplayName: displayName,
CommunityId: request.CommunityID,
RevealedAccounts: requestToJoin.RevealedAccounts,
}
community, _, err = m.communitiesManager.SaveRequestToJoinAndCommunity(requestToJoin, community)
if err != nil {
return nil, err
}
err = m.syncCommunity(context.Background(), community, m.dispatchMessage)
if err != nil {
return nil, err
}
payload, err := proto.Marshal(requestToJoinProto)
if err != nil {
return nil, err
}
rawMessage := common.RawMessage{
Payload: payload,
CommunityID: community.ID(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN,
PubsubTopic: transport.DefaultNonProtectedPubsubTopic(community.Shard().TransportShard()),
}
_, err = m.sender.SendCommunityMessage(context.Background(), rawMessage)
if err != nil {
return nil, err
}
// send request to join to privileged members
if !community.AutoAccept() {
privilegedMembers := community.GetFilteredPrivilegedMembers(map[string]struct{}{})
for _, member := range privilegedMembers[protobuf.CommunityMember_ROLE_OWNER] {
_, err := m.sender.SendPrivate(context.Background(), member, &rawMessage)
if err != nil {
return nil, err
}
}
for _, member := range privilegedMembers[protobuf.CommunityMember_ROLE_TOKEN_MASTER] {
_, err := m.sender.SendPrivate(context.Background(), member, &rawMessage)
if err != nil {
return nil, err
}
}
// don't send revealed addresses to admins
requestToJoinProto.RevealedAccounts = make([]*protobuf.RevealedAccount, 0)
payload, err = proto.Marshal(requestToJoinProto)
if err != nil {
return nil, err
}
rawMessage.Payload = payload
for _, member := range privilegedMembers[protobuf.CommunityMember_ROLE_ADMIN] {
_, err := m.sender.SendPrivate(context.Background(), member, &rawMessage)
if err != nil {
return nil, err
}
}
}
response := &MessengerResponse{RequestsToJoinCommunity: []*communities.RequestToJoin{requestToJoin}}
response.AddCommunity(community)
// We send a push notification in the background
go func() {
if m.pushNotificationClient != nil {
pks, err := community.CanManageUsersPublicKeys()
if err != nil {
m.logger.Error("failed to get pks", zap.Error(err))
return
}
for _, publicKey := range pks {
pkString := common.PubkeyToHex(publicKey)
_, err = m.pushNotificationClient.SendNotification(publicKey, nil, requestToJoin.ID, pkString, protobuf.PushNotification_REQUEST_TO_JOIN_COMMUNITY)
if err != nil {
m.logger.Error("error sending notification", zap.Error(err))
return
}
}
}
}()
// Activity center notification
notification := &ActivityCenterNotification{
ID: types.FromHex(requestToJoin.ID.String()),
Type: ActivityCenterNotificationTypeCommunityRequest,
Timestamp: m.getTimesource().GetCurrentTime(),
CommunityID: community.IDString(),
MembershipStatus: ActivityCenterMembershipStatusPending,
Read: true,
Deleted: false,
UpdatedAt: m.GetCurrentTimeInMillis(),
}
err = m.addActivityCenterNotification(response, notification, nil)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
return nil, err
}
return response, nil
}
func (m *Messenger) EditSharedAddressesForCommunity(request *requests.EditSharedAddresses) (*MessengerResponse, error) {
logger := m.logger.Named("EditSharedAddressesForCommunity")
if err := request.Validate(); err != nil {
logger.Debug("request failed to validate", zap.Error(err), zap.Any("request", request))
return nil, err
}
community, err := m.communitiesManager.GetByID(request.CommunityID)
if err != nil {
return nil, err
}
if !community.HasMember(m.IdentityPublicKey()) {
return nil, errors.New("not part of the community")
}
revealedAddresses := make([]gethcommon.Address, 0)
for _, addr := range request.AddressesToReveal {
revealedAddresses = append(revealedAddresses, gethcommon.HexToAddress(addr))
}
checkPermissionResponse, err := m.communitiesManager.CheckPermissionToJoin(community.ID(), revealedAddresses)
if err != nil {
return nil, err
}
member := community.GetMember(m.IdentityPublicKey())
requestToEditRevealedAccountsProto := &protobuf.CommunityEditSharedAddresses{
Clock: member.LastUpdateClock + 1,
CommunityId: community.ID(),
RevealedAccounts: make([]*protobuf.RevealedAccount, 0),
}
for i := range request.AddressesToReveal {
revealedAcc := &protobuf.RevealedAccount{
Address: request.AddressesToReveal[i],
IsAirdropAddress: types.HexToAddress(request.AddressesToReveal[i]) == types.HexToAddress(request.AirdropAddress),
Signature: request.Signatures[i],
}
for _, accountAndChainIDs := range checkPermissionResponse.ValidCombinations {
if accountAndChainIDs.Address == gethcommon.HexToAddress(request.AddressesToReveal[i]) {
revealedAcc.ChainIds = accountAndChainIDs.ChainIDs
break
}
}
requestToEditRevealedAccountsProto.RevealedAccounts = append(requestToEditRevealedAccountsProto.RevealedAccounts, revealedAcc)
}
requestID := communities.CalculateRequestID(common.PubkeyToHex(&m.identity.PublicKey), request.CommunityID)
err = m.communitiesManager.RemoveRequestToJoinRevealedAddresses(requestID)
if err != nil {
return nil, err
}
err = m.communitiesManager.SaveRequestToJoinRevealedAddresses(requestID, requestToEditRevealedAccountsProto.RevealedAccounts)
if err != nil {
return nil, err
}
payload, err := proto.Marshal(requestToEditRevealedAccountsProto)
if err != nil {
return nil, err
}
rawMessage := common.RawMessage{
Payload: payload,
CommunityID: community.ID(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_EDIT_SHARED_ADDRESSES,
PubsubTopic: community.PubsubTopic(), // TODO: confirm if it should be sent in community pubsub topic
}
_, err = m.sender.SendCommunityMessage(context.Background(), rawMessage)
if err != nil {
return nil, err
}
// send edit message also to TokenMasters and Owners
skipMembers := make(map[string]struct{})
skipMembers[common.PubkeyToHex(&m.identity.PublicKey)] = struct{}{}
privilegedMembers := community.GetFilteredPrivilegedMembers(skipMembers)
for role, members := range privilegedMembers {
if len(members) == 0 || (role != protobuf.CommunityMember_ROLE_TOKEN_MASTER && role != protobuf.CommunityMember_ROLE_OWNER) {
continue
}
for _, member := range members {
_, err := m.sender.SendPrivate(context.Background(), member, &rawMessage)
if err != nil {
return nil, err
}
}
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) GetRevealedAccounts(communityID types.HexBytes, memberPk string) ([]*protobuf.RevealedAccount, error) {
return m.communitiesManager.GetRevealedAddresses(communityID, memberPk)
}
func (m *Messenger) GetRevealedAccountsForAllMembers(communityID types.HexBytes) (map[string][]*protobuf.RevealedAccount, error) {
community, err := m.communitiesManager.GetByID(communityID)
if err != nil {
return nil, err
}
membersRevealedAccounts := map[string][]*protobuf.RevealedAccount{}
for _, memberPubKey := range community.GetMemberPubkeys() {
memberPubKeyStr := common.PubkeyToHex(memberPubKey)
accounts, err := m.communitiesManager.GetRevealedAddresses(communityID, memberPubKeyStr)
if err != nil {
return nil, err
}
membersRevealedAccounts[memberPubKeyStr] = accounts
}
return membersRevealedAccounts, nil
}
func (m *Messenger) CreateCommunityCategory(request *requests.CreateCommunityCategory) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var response MessengerResponse
_, changes, err := m.communitiesManager.CreateCategory(request, true)
if err != nil {
return nil, err
}
response.AddCommunity(changes.Community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) EditCommunityCategory(request *requests.EditCommunityCategory) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var response MessengerResponse
community, changes, err := m.communitiesManager.EditCategory(request)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) ReorderCommunityCategories(request *requests.ReorderCommunityCategories) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var response MessengerResponse
community, changes, err := m.communitiesManager.ReorderCategories(request)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) ReorderCommunityChat(request *requests.ReorderCommunityChat) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var response MessengerResponse
community, changes, err := m.communitiesManager.ReorderChat(request)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) DeleteCommunityCategory(request *requests.DeleteCommunityCategory) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var response MessengerResponse
community, changes, err := m.communitiesManager.DeleteCategory(request)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) CancelRequestToJoinCommunity(ctx context.Context, request *requests.CancelRequestToJoinCommunity) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
requestToJoin, community, err := m.communitiesManager.CancelRequestToJoin(request)
if err != nil {
return nil, err
}
displayName, err := m.settings.DisplayName()
if err != nil {
return nil, err
}
cancelRequestToJoinProto := &protobuf.CommunityCancelRequestToJoin{
Clock: community.Clock(),
EnsName: requestToJoin.ENSName,
DisplayName: displayName,
CommunityId: community.ID(),
}
payload, err := proto.Marshal(cancelRequestToJoinProto)
if err != nil {
return nil, err
}
rawMessage := common.RawMessage{
Payload: payload,
CommunityID: community.ID(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_CANCEL_REQUEST_TO_JOIN,
PubsubTopic: transport.DefaultNonProtectedPubsubTopic(community.Shard().TransportShard()),
}
_, err = m.sender.SendCommunityMessage(context.Background(), rawMessage)
if err != nil {
return nil, err
}
if !community.AutoAccept() {
// send cancelation to community admins also
rawMessage.Payload = payload
privilegedMembers := community.GetPrivilegedMembers()
for _, privilegedMember := range privilegedMembers {
_, err := m.sender.SendPrivate(context.Background(), privilegedMember, &rawMessage)
if err != nil {
return nil, err
}
}
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.RequestsToJoinCommunity = append(response.RequestsToJoinCommunity, requestToJoin)
// delete activity center notification
notification, err := m.persistence.GetActivityCenterNotificationByID(requestToJoin.ID)
if err != nil {
return nil, err
}
if notification != nil {
notification.IncrementUpdatedAt(m.getTimesource())
err = m.persistence.DeleteActivityCenterNotificationByID(types.FromHex(requestToJoin.ID.String()), notification.UpdatedAt)
if err != nil {
m.logger.Error("failed to delete notification from Activity Center", zap.Error(err))
return nil, err
}
// set notification as deleted, so that the client will remove the activity center notification from UI
notification.Deleted = true
err = m.syncActivityCenterDeletedByIDs(ctx, []types.HexBytes{notification.ID}, notification.UpdatedAt)
if err != nil {
m.logger.Error("CancelRequestToJoinCommunity, failed to sync activity center notification as deleted", zap.Error(err))
return nil, err
}
response.AddActivityCenterNotification(notification)
}
return response, nil
}
func (m *Messenger) acceptRequestToJoinCommunity(requestToJoin *communities.RequestToJoin) (*MessengerResponse, error) {
community, err := m.communitiesManager.AcceptRequestToJoin(requestToJoin)
if err != nil {
return nil, err
}
if community.IsControlNode() {
// If we are the control node, we send the response to the user
pk, err := common.HexToPubkey(requestToJoin.PublicKey)
if err != nil {
return nil, err
}
grant, err := community.BuildGrant(pk, "")
if err != nil {
return nil, err
}
var key *ecdsa.PrivateKey
if m.transport.WakuVersion() == 2 {
key, err = m.transport.RetrievePubsubTopicKey(community.PubsubTopic())
if err != nil {
return nil, err
}
}
requestToJoinResponseProto := &protobuf.CommunityRequestToJoinResponse{
Clock: community.Clock(),
Accepted: true,
CommunityId: community.ID(),
Community: community.Description(),
Grant: grant,
ProtectedTopicPrivateKey: crypto.FromECDSA(key),
Shard: community.Shard().Protobuffer(),
}
if m.torrentClientReady() && m.communitiesManager.TorrentFileExists(community.IDString()) {
magnetlink, err := m.communitiesManager.GetHistoryArchiveMagnetlink(community.ID())
if err != nil {
m.logger.Warn("couldn't get magnet link for community", zap.Error(err))
return nil, err
}
requestToJoinResponseProto.MagnetUri = magnetlink
}
payload, err := proto.Marshal(requestToJoinResponseProto)
if err != nil {
return nil, err
}
rawMessage := &common.RawMessage{
Payload: payload,
Sender: community.PrivateKey(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN_RESPONSE,
PubsubTopic: transport.DefaultNonProtectedPubsubTopic(community.Shard().TransportShard()),
}
_, err = m.sender.SendPrivate(context.Background(), pk, rawMessage)
if err != nil {
return nil, err
}
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.AddRequestToJoinCommunity(requestToJoin)
// Update existing notification
notification, err := m.persistence.GetActivityCenterNotificationByID(requestToJoin.ID)
if err != nil {
return nil, err
}
if notification != nil {
notification.MembershipStatus = ActivityCenterMembershipStatusAccepted
if community.HasPermissionToSendCommunityEvents() {
notification.MembershipStatus = ActivityCenterMembershipStatusAcceptedPending
}
notification.Read = true
notification.Accepted = true
notification.IncrementUpdatedAt(m.getTimesource())
err = m.addActivityCenterNotification(response, notification, m.syncActivityCenterCommunityRequestDecisionAdapter)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
return nil, err
}
}
return response, nil
}
func (m *Messenger) AcceptRequestToJoinCommunity(request *requests.AcceptRequestToJoinCommunity) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
requestToJoin, err := m.communitiesManager.GetRequestToJoin(request.ID)
if err != nil {
return nil, err
}
return m.acceptRequestToJoinCommunity(requestToJoin)
}
func (m *Messenger) declineRequestToJoinCommunity(requestToJoin *communities.RequestToJoin) (*MessengerResponse, error) {
community, err := m.communitiesManager.DeclineRequestToJoin(requestToJoin)
if err != nil {
return nil, err
}
if community.IsControlNode() {
// Notify privileged members that request to join was rejected
// Send request to join without revealed addresses
requestToJoin.RevealedAccounts = make([]*protobuf.RevealedAccount, 0)
declinedRequestsToJoin := make(map[string]*protobuf.CommunityRequestToJoin)
declinedRequestsToJoin[requestToJoin.PublicKey] = requestToJoin.ToCommunityRequestToJoinProtobuf()
syncMsg := &protobuf.CommunityPrivilegedUserSyncMessage{
Type: protobuf.CommunityPrivilegedUserSyncMessage_CONTROL_NODE_REJECT_REQUEST_TO_JOIN,
CommunityId: community.ID(),
RequestToJoin: declinedRequestsToJoin,
}
payloadSyncMsg, err := proto.Marshal(syncMsg)
if err != nil {
return nil, err
}
rawSyncMessage := &common.RawMessage{
Payload: payloadSyncMsg,
Sender: community.PrivateKey(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_PRIVILEGED_USER_SYNC_MESSAGE,
}
privilegedMembers := community.GetPrivilegedMembers()
for _, privilegedMember := range privilegedMembers {
if privilegedMember.Equal(&m.identity.PublicKey) {
continue
}
_, err := m.sender.SendPrivate(context.Background(), privilegedMember, rawSyncMessage)
if err != nil {
return nil, err
}
}
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.AddRequestToJoinCommunity(requestToJoin)
// Update existing notification
notification, err := m.persistence.GetActivityCenterNotificationByID(requestToJoin.ID)
if err != nil {
return nil, err
}
if notification != nil {
notification.MembershipStatus = ActivityCenterMembershipStatusDeclined
if community.HasPermissionToSendCommunityEvents() {
notification.MembershipStatus = ActivityCenterMembershipStatusDeclinedPending
}
notification.Read = true
notification.Dismissed = true
notification.IncrementUpdatedAt(m.getTimesource())
err = m.addActivityCenterNotification(response, notification, m.syncActivityCenterCommunityRequestDecisionAdapter)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
return nil, err
}
}
return response, nil
}
func (m *Messenger) DeclineRequestToJoinCommunity(request *requests.DeclineRequestToJoinCommunity) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
requestToJoin, err := m.communitiesManager.GetRequestToJoin(request.ID)
if err != nil {
return nil, err
}
return m.declineRequestToJoinCommunity(requestToJoin)
}
func (m *Messenger) LeaveCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
_, err := m.persistence.DismissAllActivityCenterNotificationsFromCommunity(communityID.String(), m.GetCurrentTimeInMillis())
if err != nil {
return nil, err
}
mr, err := m.leaveCommunity(communityID)
if err != nil {
return nil, err
}
community, ok := mr.communities[communityID.String()]
if !ok {
return nil, communities.ErrOrgNotFound
}
err = m.communitiesManager.DeleteCommunitySettings(communityID)
if err != nil {
return nil, err
}
m.communitiesManager.StopHistoryArchiveTasksInterval(communityID)
err = m.syncCommunity(context.Background(), community, m.dispatchMessage)
if err != nil {
return nil, err
}
if !community.IsControlNode() {
requestToLeaveProto := &protobuf.CommunityRequestToLeave{
Clock: uint64(time.Now().Unix()),
CommunityId: communityID,
}
payload, err := proto.Marshal(requestToLeaveProto)
if err != nil {
return nil, err
}
community, err := m.communitiesManager.GetByID(communityID)
if err != nil {
return nil, err
}
rawMessage := common.RawMessage{
Payload: payload,
CommunityID: communityID,
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_LEAVE,
PubsubTopic: community.PubsubTopic(), // TODO: confirm if it should be sent in the community pubsub topic
}
_, err = m.sender.SendCommunityMessage(context.Background(), rawMessage)
if err != nil {
return nil, err
}
}
return mr, nil
}
func (m *Messenger) leaveCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
response := &MessengerResponse{}
community, err := m.communitiesManager.LeaveCommunity(communityID)
if err != nil {
return nil, err
}
// Make chat inactive
for chatID := range community.Chats() {
communityChatID := communityID.String() + chatID
response.AddRemovedChat(communityChatID)
_, err = m.deactivateChat(communityChatID, 0, false, false)
if err != nil {
return nil, err
}
_, err = m.transport.RemoveFilterByChatID(communityChatID)
if err != nil {
return nil, err
}
}
_, err = m.transport.RemoveFilterByChatID(communityID.String())
if err != nil {
return nil, err
}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) kickedOutOfCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
response := &MessengerResponse{}
community, err := m.communitiesManager.KickedOutOfCommunity(communityID)
if err != nil {
return nil, err
}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) CheckAndDeletePendingRequestToJoinCommunity(ctx context.Context, sendResponse bool) (*MessengerResponse, error) {
sendSignal := false
pendingRequestsToJoin, err := m.communitiesManager.PendingRequestsToJoin()
if err != nil {
m.logger.Error("failed to fetch pending request to join", zap.Error(err))
return nil, err
}
if len(pendingRequestsToJoin) == 0 {
return nil, nil
}
response := &MessengerResponse{}
timeNow := uint64(time.Now().Unix())
for _, requestToJoin := range pendingRequestsToJoin {
requestTimeOutClock, err := communities.AddTimeoutToRequestToJoinClock(requestToJoin.Clock)
if err != nil {
return nil, err
}
if timeNow >= requestTimeOutClock {
err := m.communitiesManager.DeletePendingRequestToJoin(requestToJoin)
if err != nil {
m.logger.Error("failed to delete pending request to join", zap.String("req-id", requestToJoin.ID.String()), zap.Error(err))
return nil, err
}
requestToJoin.Deleted = true
response.AddRequestToJoinCommunity(requestToJoin)
notification, err := m.persistence.GetActivityCenterNotificationByID(requestToJoin.ID)
if err != nil {
m.logger.Error("failed to fetch pending request to join", zap.Error(err))
return nil, err
}
if notification != nil {
// Delete activity centre notification for community admin
if notification.Type == ActivityCenterNotificationTypeCommunityMembershipRequest {
response2, err := m.MarkActivityCenterNotificationsDeleted(ctx, []types.HexBytes{notification.ID}, m.GetCurrentTimeInMillis(), true)
if err != nil {
m.logger.Error("[CheckAndDeletePendingRequestToJoinCommunity] failed to mark notification as deleted", zap.Error(err))
return nil, err
}
response.AddActivityCenterNotifications(response2.ActivityCenterNotifications())
response.SetActivityCenterState(response2.ActivityCenterState())
}
// Update activity centre notification for requester
if notification.Type == ActivityCenterNotificationTypeCommunityRequest {
notification.MembershipStatus = ActivityCenterMembershipStatusIdle
notification.Read = false
notification.Deleted = false
notification.IncrementUpdatedAt(m.getTimesource())
err = m.addActivityCenterNotification(response, notification, m.syncActivityCenterUnreadByIDs)
if err != nil {
m.logger.Error("failed to update notification in activity center", zap.Error(err))
return nil, err
}
}
}
sendSignal = true
}
}
if sendSignal && !sendResponse {
signal.SendNewMessages(response)
}
if sendResponse {
return response, nil
}
return nil, nil
}
func (m *Messenger) CreateCommunityChat(communityID types.HexBytes, c *protobuf.CommunityChat) (*MessengerResponse, error) {
var response MessengerResponse
c.Identity.FirstMessageTimestamp = FirstMessageTimestampNoMessage
changes, err := m.communitiesManager.CreateChat(communityID, c, true, "")
if err != nil {
return nil, err
}
response.AddCommunity(changes.Community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
var chats []*Chat
var publicFiltersToInit []transport.FiltersToInitialize
for chatID, chat := range changes.ChatsAdded {
c := CreateCommunityChat(changes.Community.IDString(), chatID, chat, m.getTimesource())
chats = append(chats, c)
publicFiltersToInit = append(publicFiltersToInit, transport.FiltersToInitialize{ChatID: c.ID, PubsubTopic: changes.Community.PubsubTopic()})
response.AddChat(c)
}
// Load filters
filters, err := m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
return nil, err
}
_, err = m.scheduleSyncFilters(filters)
if err != nil {
return nil, err
}
err = m.saveChats(chats)
if err != nil {
return nil, err
}
err = m.reregisterForPushNotifications()
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) EditCommunityChat(communityID types.HexBytes, chatID string, c *protobuf.CommunityChat) (*MessengerResponse, error) {
var response MessengerResponse
community, changes, err := m.communitiesManager.EditChat(communityID, chatID, c)
if err != nil {
return nil, err
}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
var chats []*Chat
var publicFiltersToInit []transport.FiltersToInitialize
for chatID, change := range changes.ChatsModified {
c := CreateCommunityChat(community.IDString(), chatID, change.ChatModified, m.getTimesource())
chats = append(chats, c)
publicFiltersToInit = append(publicFiltersToInit, transport.FiltersToInitialize{ChatID: c.ID, PubsubTopic: community.PubsubTopic()})
response.AddChat(c)
}
// Load filters
filters, err := m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
return nil, err
}
_, err = m.scheduleSyncFilters(filters)
if err != nil {
return nil, err
}
return &response, m.saveChats(chats)
}
func (m *Messenger) DeleteCommunityChat(communityID types.HexBytes, chatID string) (*MessengerResponse, error) {
response := &MessengerResponse{}
community, _, err := m.communitiesManager.DeleteChat(communityID, chatID)
if err != nil {
return nil, err
}
err = m.deleteChat(chatID)
if err != nil {
return nil, err
}
response.AddRemovedChat(chatID)
_, err = m.transport.RemoveFilterByChatID(chatID)
if err != nil {
return nil, err
}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) CreateCommunity(request *requests.CreateCommunity, createDefaultChannel bool) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
response := &MessengerResponse{}
community, err := m.communitiesManager.CreateCommunity(request, true)
if err != nil {
return nil, err
}
communitySettings := communities.CommunitySettings{
CommunityID: community.IDString(),
HistoryArchiveSupportEnabled: request.HistoryArchiveSupportEnabled,
}
err = m.communitiesManager.SaveCommunitySettings(communitySettings)
if err != nil {
return nil, err
}
if err = m.subscribeToCommunityShard(community.ID(), community.Shard()); err != nil {
return nil, err
}
// Init the community filter so we can receive messages on the community
_, err = m.transport.InitCommunityFilters([]transport.CommunityFilterToInitialize{{
Shard: community.Shard().TransportShard(),
PrivKey: community.PrivateKey(),
}})
if err != nil {
return nil, err
}
// Init the default community filters
_, err = m.transport.InitPublicFilters(community.DefaultFilters())
if err != nil {
return nil, err
}
if createDefaultChannel {
chatResponse, err := m.CreateCommunityChat(community.ID(), &protobuf.CommunityChat{
Identity: &protobuf.ChatIdentity{
DisplayName: "general",
Description: "General channel for the community",
Color: community.Description().Identity.Color,
FirstMessageTimestamp: FirstMessageTimestampNoMessage,
},
Permissions: &protobuf.CommunityPermissions{
Access: protobuf.CommunityPermissions_AUTO_ACCEPT,
},
})
if err != nil {
return nil, err
}
// updating community so it contains the general chat
community = chatResponse.Communities()[0]
response.AddChat(chatResponse.Chats()[0])
}
response.AddCommunity(community)
response.AddCommunitySettings(&communitySettings)
err = m.syncCommunity(context.Background(), community, m.dispatchMessage)
if err != nil {
return nil, err
}
if m.config.torrentConfig != nil && m.config.torrentConfig.Enabled && communitySettings.HistoryArchiveSupportEnabled {
go m.communitiesManager.StartHistoryArchiveTasksInterval(community, messageArchiveInterval)
}
return response, nil
}
func (m *Messenger) SetCommunityShard(request *requests.SetCommunityShard) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, err := m.communitiesManager.SetShard(request.CommunityID, request.Shard)
if err != nil {
return nil, err
}
var topicPrivKey *ecdsa.PrivateKey
if request.PrivateKey != nil {
topicPrivKey, err = crypto.ToECDSA(*request.PrivateKey)
} else {
topicPrivKey, err = crypto.GenerateKey()
}
if err != nil {
return nil, err
}
err = m.communitiesManager.UpdatePubsubTopicPrivateKey(community, topicPrivKey)
if err != nil {
return nil, err
}
err = m.UpdateCommunityFilters(community)
if err != nil {
return nil, err
}
err = m.SendCommunityShardKey(community, community.GetMemberPubkeys())
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) UpdateCommunityFilters(community *communities.Community) error {
publicFiltersToInit := make([]transport.FiltersToInitialize, 0, len(community.DefaultFilters())+len(community.Chats()))
publicFiltersToInit = append(publicFiltersToInit, community.DefaultFilters()...)
for chatID := range community.Chats() {
communityChatID := community.IDString() + chatID
_, err := m.transport.RemoveFilterByChatID(communityChatID)
if err != nil {
return err
}
publicFiltersToInit = append(publicFiltersToInit, transport.FiltersToInitialize{ChatID: communityChatID, PubsubTopic: community.PubsubTopic()})
}
_, err := m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
return err
}
// Init the community filter so we can receive messages on the community
_, err = m.transport.InitCommunityFilters([]transport.CommunityFilterToInitialize{{
Shard: community.Shard().TransportShard(),
PrivKey: community.PrivateKey(),
}})
if err != nil {
return err
}
// Init the default community filters
_, err = m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
return err
}
if err = m.subscribeToCommunityShard(community.ID(), community.Shard()); err != nil {
return err
}
return nil
}
func (m *Messenger) CreateCommunityTokenPermission(request *requests.CreateCommunityTokenPermission) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, changes, err := m.communitiesManager.CreateCommunityTokenPermission(request)
if err != nil {
return nil, err
}
if community.IsControlNode() {
// check existing member permission once, then check periodically
go func() {
if err := m.communitiesManager.ReevaluateCommunityMembersPermissions(community); err != nil {
m.logger.Debug("failed to check member permissions", zap.Error(err))
}
m.communitiesManager.ReevaluateMembersPeriodically(community.ID())
}()
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return response, nil
}
func (m *Messenger) EditCommunityTokenPermission(request *requests.EditCommunityTokenPermission) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, changes, err := m.communitiesManager.EditCommunityTokenPermission(request)
if err != nil {
return nil, err
}
// check if members still fulfill the token criteria of all
// BECOME_MEMBER permissions and kick them if necessary
//
// We do this in a separate routine to not block this function
if community.IsControlNode() {
go func() {
if err := m.communitiesManager.ReevaluateCommunityMembersPermissions(community); err != nil {
m.logger.Debug("failed to check member permissions", zap.Error(err))
}
}()
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return response, nil
}
func (m *Messenger) DeleteCommunityTokenPermission(request *requests.DeleteCommunityTokenPermission) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, changes, err := m.communitiesManager.DeleteCommunityTokenPermission(request)
if err != nil {
return nil, err
}
// check if members still fulfill the token criteria
// We do this in a separate routine to not block this function
if community.IsControlNode() {
go func() {
if err = m.communitiesManager.ReevaluateCommunityMembersPermissions(community); err != nil {
m.logger.Debug("failed to check member permissions", zap.Error(err))
}
}()
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return response, nil
}
func (m *Messenger) ReevaluateCommunityMembersPermissions(request *requests.ReevaluateCommunityMembersPermissions) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, err := m.communitiesManager.GetByID(request.CommunityID)
if err != nil {
return nil, err
}
if err = m.communitiesManager.ReevaluateCommunityMembersPermissions(community); err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) EditCommunity(request *requests.EditCommunity) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, err := m.communitiesManager.EditCommunity(request)
if err != nil {
return nil, err
}
communitySettings := communities.CommunitySettings{
CommunityID: community.IDString(),
HistoryArchiveSupportEnabled: request.HistoryArchiveSupportEnabled,
}
err = m.communitiesManager.UpdateCommunitySettings(communitySettings)
if err != nil {
return nil, err
}
id := community.ID()
if m.torrentClientReady() {
if !communitySettings.HistoryArchiveSupportEnabled {
m.communitiesManager.StopHistoryArchiveTasksInterval(id)
} else if !m.communitiesManager.IsSeedingHistoryArchiveTorrent(id) {
var communities []*communities.Community
communities = append(communities, community)
go m.InitHistoryArchiveTasks(communities)
}
}
response := &MessengerResponse{}
response.AddCommunity(community)
response.AddCommunitySettings(&communitySettings)
err = m.SyncCommunitySettings(context.Background(), &communitySettings)
if err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) RemovePrivateKey(id types.HexBytes) (*MessengerResponse, error) {
community, err := m.communitiesManager.RemovePrivateKey(id)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) ExportCommunity(id types.HexBytes) (*ecdsa.PrivateKey, error) {
return m.communitiesManager.ExportCommunity(id)
}
func (m *Messenger) ImportCommunity(ctx context.Context, key *ecdsa.PrivateKey) (*MessengerResponse, error) {
clock, _ := m.getLastClockWithRelatedChat()
community, err := m.communitiesManager.ImportCommunity(key, clock)
if err != nil {
return nil, err
}
// Load filters
_, err = m.transport.InitPublicFilters(community.DefaultFilters())
if err != nil {
return nil, err
}
if err != nil {
return nil, err
}
_, err = m.FetchCommunity(&FetchCommunityRequest{
CommunityKey: community.IDString(),
Shard: community.Shard(),
TryDatabase: false,
WaitForResponse: true,
})
if err != nil {
// TODO In the future we should add a mechanism to re-apply next steps (adding owner, joining)
// if there is no connection with mailserver. Otherwise changes will be overwritten.
// Do not return error to make tests pass.
m.logger.Error("Can't request community info from mailserver")
}
// We add ourselves
community, err = m.communitiesManager.AddMemberOwnerToCommunity(community.ID(), &m.identity.PublicKey)
if err != nil {
return nil, err
}
response, err := m.JoinCommunity(ctx, community.ID(), true)
if err != nil {
return nil, err
}
// Notify other clients we are the control node now
err = m.syncCommunity(context.Background(), community, m.dispatchMessage)
if err != nil {
return nil, err
}
if m.torrentClientReady() {
var communities []*communities.Community
communities = append(communities, community)
go m.InitHistoryArchiveTasks(communities)
}
return response, nil
}
func (m *Messenger) GetCommunityByID(communityID types.HexBytes) (*communities.Community, error) {
return m.communitiesManager.GetByID(communityID)
}
func (m *Messenger) ShareCommunity(request *requests.ShareCommunity) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
response := &MessengerResponse{}
community, err := m.communitiesManager.GetByID(request.CommunityID)
if err != nil {
return nil, err
}
var messages []*common.Message
for _, pk := range request.Users {
message := common.NewMessage()
message.ChatId = pk.String()
message.CommunityID = request.CommunityID.String()
message.Text = fmt.Sprintf("Community %s has been shared with you", community.Name())
if request.InviteMessage != "" {
message.Text = request.InviteMessage
}
messages = append(messages, message)
r, err := m.CreateOneToOneChat(&requests.CreateOneToOneChat{ID: pk})
if err != nil {
return nil, err
}
if err := response.Merge(r); err != nil {
return nil, err
}
}
sendMessagesResponse, err := m.SendChatMessages(context.Background(), messages)
if err != nil {
return nil, err
}
if err := response.Merge(sendMessagesResponse); err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) MyCanceledRequestsToJoin() ([]*communities.RequestToJoin, error) {
return m.communitiesManager.CanceledRequestsToJoinForUser(&m.identity.PublicKey)
}
func (m *Messenger) MyPendingRequestsToJoin() ([]*communities.RequestToJoin, error) {
return m.communitiesManager.PendingRequestsToJoinForUser(&m.identity.PublicKey)
}
func (m *Messenger) MyAwaitingAddressesRequestsToJoin() ([]*communities.RequestToJoin, error) {
return m.communitiesManager.AwaitingAddressesRequestsToJoinForUser(&m.identity.PublicKey)
}
func (m *Messenger) PendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.PendingRequestsToJoinForCommunity(id)
}
func (m *Messenger) AllPendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
// TODO: optimize and extract via one query
pendingRequests, err := m.communitiesManager.PendingRequestsToJoinForCommunity(id)
if err != nil {
return nil, err
}
acceptedPendingRequests, err := m.communitiesManager.AcceptedPendingRequestsToJoinForCommunity(id)
if err != nil {
return nil, err
}
declinedPendingRequests, err := m.communitiesManager.DeclinedPendingRequestsToJoinForCommunity(id)
if err != nil {
return nil, err
}
ownershipChangedRequests, err := m.communitiesManager.RequestsToJoinForCommunityAwaitingAddresses(id)
if err != nil {
return nil, err
}
pendingRequests = append(pendingRequests, acceptedPendingRequests...)
pendingRequests = append(pendingRequests, declinedPendingRequests...)
pendingRequests = append(pendingRequests, ownershipChangedRequests...)
return pendingRequests, nil
}
func (m *Messenger) DeclinedRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.DeclinedRequestsToJoinForCommunity(id)
}
func (m *Messenger) CanceledRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.CanceledRequestsToJoinForCommunity(id)
}
func (m *Messenger) AcceptedRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.AcceptedRequestsToJoinForCommunity(id)
}
func (m *Messenger) AcceptedPendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.AcceptedPendingRequestsToJoinForCommunity(id)
}
func (m *Messenger) DeclinedPendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
return m.communitiesManager.DeclinedPendingRequestsToJoinForCommunity(id)
}
func (m *Messenger) RemoveUserFromCommunity(id types.HexBytes, pkString string) (*MessengerResponse, error) {
publicKey, err := common.HexToPubkey(pkString)
if err != nil {
return nil, err
}
community, err := m.communitiesManager.RemoveUserFromCommunity(id, publicKey)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) SendCommunityShardKey(community *communities.Community, pubkeys []*ecdsa.PublicKey) error {
if m.transport.WakuVersion() != 2 {
return nil
}
if !community.IsControlNode() {
return nil
}
key := community.PubsubTopicPrivateKey()
if key == nil {
return nil // No community shard key available
}
communityShardKey := &protobuf.CommunityShardKey{
Clock: m.getTimesource().GetCurrentTime(),
CommunityId: community.ID(),
PrivateKey: crypto.FromECDSA(key),
Shard: community.Shard().Protobuffer(),
}
encodedMessage, err := proto.Marshal(communityShardKey)
if err != nil {
return err
}
rawMessage := common.RawMessage{
Recipients: pubkeys,
ResendAutomatically: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_SHARD_KEY,
Payload: encodedMessage,
}
_, err = m.sender.SendPubsubTopicKey(context.Background(), &rawMessage)
return err
}
func (m *Messenger) UnbanUserFromCommunity(request *requests.UnbanUserFromCommunity) (*MessengerResponse, error) {
community, err := m.communitiesManager.UnbanUserFromCommunity(request)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) BanUserFromCommunity(ctx context.Context, request *requests.BanUserFromCommunity) (*MessengerResponse, error) {
community, err := m.communitiesManager.BanUserFromCommunity(request)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response, err = m.DeclineAllPendingGroupInvitesFromUser(ctx, response, request.User.String())
if err != nil {
return nil, err
}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) AddRoleToMember(request *requests.AddRoleToMember) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, err := m.communitiesManager.AddRoleToMember(request)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) RemoveRoleFromMember(request *requests.RemoveRoleFromMember) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
community, err := m.communitiesManager.RemoveRoleFromMember(request)
if err != nil {
return nil, err
}
response := &MessengerResponse{}
response.AddCommunity(community)
return response, nil
}
func (m *Messenger) findCommunityInfoFromDB(communityID string) (*communities.Community, error) {
id, err := hexutil.Decode(communityID)
if err != nil {
return nil, err
}
var community *communities.Community
community, err = m.GetCommunityByID(id)
if err != nil {
return nil, err
}
return community, nil
}
// FetchCommunity installs filter for community and requests its details
// from mailserver.
//
// If `request.TryDatabase` is true, it first looks for community in database,
// and requests from mailserver only if it wasn't found locally.
// If `request.WaitForResponse` is true, it waits until it has the community before returning it.
// If `request.WaitForResponse` is false, it installs filter for community and requests its details
// from mailserver. When response received it will be passed through signals handler.
func (m *Messenger) FetchCommunity(request *FetchCommunityRequest) (*communities.Community, error) {
if err := request.Validate(); err != nil {
return nil, fmt.Errorf("invalid request: %w", err)
}
communityID := request.getCommunityID()
if request.TryDatabase {
community, err := m.findCommunityInfoFromDB(communityID)
if err != nil {
return nil, err
}
if community != nil {
if !request.WaitForResponse {
m.config.messengerSignalsHandler.CommunityInfoFound(community)
}
return community, nil
}
}
return m.requestCommunityInfoFromMailserver(communityID, request.Shard, request.WaitForResponse)
}
// requestCommunityInfoFromMailserver installs filter for community and requests its details
// from mailserver. When response received it will be passed through signals handler
func (m *Messenger) requestCommunityInfoFromMailserver(communityID string, shard *common.Shard, waitForResponse bool) (*communities.Community, error) {
m.logger.Info("requesting community info", zap.String("communityID", communityID), zap.Any("shard", shard))
m.requestedCommunitiesLock.Lock()
defer m.requestedCommunitiesLock.Unlock()
if _, ok := m.requestedCommunities[communityID]; ok {
return nil, nil
}
//If filter wasn't installed we create it and remember for deinstalling after
//response received
filter := m.transport.FilterByChatID(communityID)
if filter == nil {
filters, err := m.transport.InitPublicFilters([]transport.FiltersToInitialize{{
ChatID: communityID,
PubsubTopic: transport.GetPubsubTopic(shard.TransportShard()),
}})
if err != nil {
return nil, fmt.Errorf("Can't install filter for community: %v", err)
}
if len(filters) != 1 {
return nil, fmt.Errorf("Unexpected amount of filters created")
}
filter = filters[0]
m.requestedCommunities[communityID] = filter
} else {
//we don't remember filter id associated with community because it was already installed
m.requestedCommunities[communityID] = nil
}
defer m.forgetCommunityRequest(communityID)
to := uint32(m.transport.GetCurrentTime() / 1000)
from := to - oneMonthInSeconds
_, err := m.performMailserverRequest(func() (*MessengerResponse, error) {
batch := MailserverBatch{
From: from,
To: to,
Topics: []types.TopicType{filter.ContentTopic},
PubsubTopic: filter.PubsubTopic,
}
m.logger.Info("requesting historic", zap.Any("batch", batch))
err := m.processMailserverBatch(batch)
return nil, err
})
if err != nil {
return nil, err
}
m.logger.Info("mailserver request performed",
zap.String("communityID", communityID),
zap.Bool("waitForResponse", waitForResponse),
)
if !waitForResponse {
return nil, nil
}
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
for {
select {
case <-time.After(200 * time.Millisecond):
//send signal to client that message status updated
community, err := m.communitiesManager.GetByIDString(communityID)
if err != nil {
return nil, err
}
if community != nil && community.Name() != "" && community.DescriptionText() != "" {
m.logger.Debug("community info found",
zap.String("communityID", communityID),
zap.String("displayName", community.Name()))
return community, nil
}
case <-ctx.Done():
m.logger.Error("failed to request community info", zap.String("communityID", communityID), zap.Error(ctx.Err()))
return nil, fmt.Errorf("failed to request community info for id '%s' from mailserver: %w", communityID, ctx.Err())
}
}
}
// requestCommunitiesFromMailserver installs filter for community and requests its details
// from mailserver. When response received it will be passed through signals handler
func (m *Messenger) requestCommunitiesFromMailserver(communities []communities.CommunityShard) {
m.requestedCommunitiesLock.Lock()
defer m.requestedCommunitiesLock.Unlock()
// we group topics by PubsubTopic
groupedTopics := map[string]map[types.TopicType]struct{}{}
for _, c := range communities {
if _, ok := m.requestedCommunities[c.CommunityID]; ok {
continue
}
//If filter wasn't installed we create it and remember for deinstalling after
//response received
filter := m.transport.FilterByChatID(c.CommunityID)
if filter == nil {
filters, err := m.transport.InitPublicFilters([]transport.FiltersToInitialize{{
ChatID: c.CommunityID,
PubsubTopic: transport.GetPubsubTopic(c.Shard.TransportShard()),
}})
if err != nil {
m.logger.Error("Can't install filter for community", zap.Error(err))
continue
}
if len(filters) != 1 {
m.logger.Error("Unexpected amount of filters created")
continue
}
filter = filters[0]
m.requestedCommunities[c.CommunityID] = filter
} else {
//we don't remember filter id associated with community because it was already installed
m.requestedCommunities[c.CommunityID] = nil
}
if _, ok := groupedTopics[filter.PubsubTopic]; !ok {
groupedTopics[filter.PubsubTopic] = map[types.TopicType]struct{}{}
}
groupedTopics[filter.PubsubTopic][filter.ContentTopic] = struct{}{}
}
defer func() {
for _, c := range communities {
m.forgetCommunityRequest(c.CommunityID)
}
}()
to := uint32(m.transport.GetCurrentTime() / 1000)
from := to - oneMonthInSeconds
wg := sync.WaitGroup{}
for pubsubTopic, contentTopics := range groupedTopics {
wg.Add(1)
go func(pubsubTopic string, contentTopics map[types.TopicType]struct{}) {
batch := MailserverBatch{
From: from,
To: to,
Topics: maps.Keys(contentTopics),
PubsubTopic: pubsubTopic,
}
_, err := m.performMailserverRequest(func() (*MessengerResponse, error) {
m.logger.Info("requesting historic", zap.Any("batch", batch))
err := m.processMailserverBatch(batch)
return nil, err
})
if err != nil {
m.logger.Error("error performing mailserver request", zap.Any("batch", batch), zap.Error(err))
}
wg.Done()
}(pubsubTopic, contentTopics)
}
wg.Wait()
ctx := context.Background()
ctx, cancel := context.WithTimeout(ctx, 15*time.Second)
defer cancel()
fetching := true
for fetching {
select {
case <-time.After(200 * time.Millisecond):
allLoaded := true
for _, c := range communities {
community, err := m.communitiesManager.GetByIDString(c.CommunityID)
if err != nil {
m.logger.Error("Error loading community", zap.Error(err))
break
}
if community == nil || community.Name() == "" || community.DescriptionText() == "" {
allLoaded = false
break
}
}
if allLoaded {
fetching = false
}
case <-ctx.Done():
fetching = false
}
}
}
// forgetCommunityRequest removes community from requested ones and removes filter
func (m *Messenger) forgetCommunityRequest(communityID string) {
m.logger.Info("forgetting community request", zap.String("communityID", communityID))
filter, ok := m.requestedCommunities[communityID]
if !ok {
return
}
if filter != nil {
err := m.transport.RemoveFilters([]*transport.Filter{filter})
if err != nil {
m.logger.Warn("cant remove filter", zap.Error(err))
}
}
delete(m.requestedCommunities, communityID)
}
// passStoredCommunityInfoToSignalHandler calls signal handler with community info
func (m *Messenger) passStoredCommunityInfoToSignalHandler(communityID string) {
if m.config.messengerSignalsHandler == nil {
return
}
//send signal to client that message status updated
community, err := m.communitiesManager.GetByIDString(communityID)
if community == nil {
return
}
if err != nil {
m.logger.Warn("cant get community and pass it to signal handler", zap.Error(err))
return
}
//if there is no info helpful for client, we don't post it
if community.Name() == "" && community.DescriptionText() == "" && community.MembersCount() == 0 {
return
}
m.config.messengerSignalsHandler.CommunityInfoFound(community)
m.forgetCommunityRequest(communityID)
}
// handleCommunityDescription handles an community description
func (m *Messenger) handleCommunityDescription(state *ReceivedMessageState, signer *ecdsa.PublicKey, description *protobuf.CommunityDescription, rawPayload []byte) error {
communityResponse, err := m.communitiesManager.HandleCommunityDescriptionMessage(signer, description, rawPayload, nil)
if err != nil {
return err
}
// If response is nil, but not error, it will be processed async
if communityResponse == nil {
return nil
}
return m.handleCommunityResponse(state, communityResponse)
}
func (m *Messenger) handleCommunityResponse(state *ReceivedMessageState, communityResponse *communities.CommunityResponse) error {
community := communityResponse.Community
state.Response.AddCommunity(community)
state.Response.CommunityChanges = append(state.Response.CommunityChanges, communityResponse.Changes)
state.Response.AddRequestsToJoinCommunity(communityResponse.RequestsToJoin)
// If we haven't joined/spectated the org, nothing to do
if !community.Joined() && !community.Spectated() {
return nil
}
removedChatIDs := make([]string, 0)
for id := range communityResponse.Changes.ChatsRemoved {
chatID := community.IDString() + id
_, ok := state.AllChats.Load(chatID)
if ok {
removedChatIDs = append(removedChatIDs, chatID)
state.AllChats.Delete(chatID)
err := m.DeleteChat(chatID)
if err != nil {
m.logger.Error("couldn't delete chat", zap.Error(err))
}
}
}
// Update relevant chats names and add new ones
// Currently removal is not supported
chats := CreateCommunityChats(community, state.Timesource)
var publicFiltersToInit []transport.FiltersToInitialize
for i, chat := range chats {
oldChat, ok := state.AllChats.Load(chat.ID)
if !ok {
// Beware, don't use the reference in the range (i.e chat) as it's a shallow copy
state.AllChats.Store(chat.ID, chats[i])
state.Response.AddChat(chat)
publicFiltersToInit = append(publicFiltersToInit, transport.FiltersToInitialize{
ChatID: chat.ID,
PubsubTopic: community.PubsubTopic(),
})
// Update name, currently is the only field is mutable
} else if oldChat.Name != chat.Name ||
oldChat.Description != chat.Description ||
oldChat.Emoji != chat.Emoji ||
oldChat.Color != chat.Color ||
oldChat.UpdateFirstMessageTimestamp(chat.FirstMessageTimestamp) {
oldChat.Name = chat.Name
oldChat.Description = chat.Description
oldChat.Emoji = chat.Emoji
oldChat.Color = chat.Color
// TODO(samyoul) remove storing of an updated reference pointer?
state.AllChats.Store(chat.ID, oldChat)
state.Response.AddChat(chat)
}
}
for _, chatID := range removedChatIDs {
_, err := m.transport.RemoveFilterByChatID(chatID)
if err != nil {
m.logger.Error("couldn't remove filter", zap.Error(err))
}
}
// Load transport filters
filters, err := m.transport.InitPublicFilters(publicFiltersToInit)
if err != nil {
return err
}
_, err = m.scheduleSyncFilters(filters)
if err != nil {
return err
}
for _, requestToJoin := range communityResponse.RequestsToJoin {
// Activity Center notification
notification, err := m.persistence.GetActivityCenterNotificationByID(requestToJoin.ID)
if err != nil {
return err
}
if notification != nil {
notification.MembershipStatus = ActivityCenterMembershipStatusAccepted
switch requestToJoin.State {
case communities.RequestToJoinStateDeclined:
notification.MembershipStatus = ActivityCenterMembershipStatusDeclined
case communities.RequestToJoinStateAccepted:
notification.MembershipStatus = ActivityCenterMembershipStatusAccepted
case communities.RequestToJoinStateAcceptedPending:
notification.MembershipStatus = ActivityCenterMembershipStatusAcceptedPending
case communities.RequestToJoinStateDeclinedPending:
notification.MembershipStatus = ActivityCenterMembershipStatusDeclinedPending
case communities.RequestToJoinStateAwaitingAddresses:
notification.MembershipStatus = ActivityCenterMembershipOwnershipChanged
default:
notification.MembershipStatus = ActivityCenterMembershipStatusPending
}
notification.Read = true
notification.Accepted = true
notification.IncrementUpdatedAt(m.getTimesource())
err = m.addActivityCenterNotification(state.Response, notification, nil)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
return err
}
}
}
return nil
}
func (m *Messenger) HandleCommunityEventsMessage(state *ReceivedMessageState, message *protobuf.CommunityEventsMessage, statusMessage *v1protocol.StatusMessage) error {
signer := state.CurrentMessageState.PublicKey
communityResponse, err := m.communitiesManager.HandleCommunityEventsMessage(signer, message)
if err != nil {
return err
}
return m.handleCommunityResponse(state, communityResponse)
}
// Re-sends rejected events, if any.
func (m *Messenger) HandleCommunityEventsMessageRejected(state *ReceivedMessageState, message *protobuf.CommunityEventsMessageRejected, statusMessage *v1protocol.StatusMessage) error {
signer := state.CurrentMessageState.PublicKey
reapplyEventsMessage, err := m.communitiesManager.HandleCommunityEventsMessageRejected(signer, message)
if err != nil {
return err
}
if reapplyEventsMessage == nil {
return nil
}
community, err := m.communitiesManager.GetByID(reapplyEventsMessage.CommunityID)
if err != nil {
return err
}
err = m.publishCommunityEvents(community, reapplyEventsMessage)
if err != nil {
return err
}
return nil
}
// HandleCommunityShardKey handles the private keys for the community shards
func (m *Messenger) HandleCommunityShardKey(state *ReceivedMessageState, message *protobuf.CommunityShardKey, statusMessage *v1protocol.StatusMessage) error {
// TODO: @cammellos: This is risky, it does not seem to support out of order messages
// (say that the community changes shards twice, last one wins, but we don't check clock
// etc)
// TODO: @cammellos: getbyid returns nil if the community is not in the db, so we need to handle it
community, err := m.communitiesManager.GetByID(message.CommunityId)
if err != nil {
return err
}
// If we haven't joined the community, nothing to do
if !community.Joined() {
return nil
}
signer := state.CurrentMessageState.PublicKey
if signer == nil {
return errors.New("signer can't be nil")
}
err = m.handleCommunityShardAndFiltersFromProto(community, common.ShardFromProtobuff(message.Shard), message.PrivateKey)
if err != nil {
return err
}
state.Response.AddCommunity(community)
return nil
}
func (m *Messenger) handleCommunityShardAndFiltersFromProto(community *communities.Community, shard *common.Shard, privateKeyBytes []byte) error {
err := m.communitiesManager.UpdateShard(community, shard)
if err != nil {
return err
}
var privKey *ecdsa.PrivateKey = nil
if privateKeyBytes != nil {
privKey, err = crypto.ToECDSA(privateKeyBytes)
if err != nil {
return err
}
}
err = m.communitiesManager.UpdatePubsubTopicPrivateKey(community, privKey)
if err != nil {
return err
}
err = m.UpdateCommunityFilters(community)
if err != nil {
return err
}
return nil
}
func (m *Messenger) handleCommunityPrivilegedUserSyncMessage(state *ReceivedMessageState, signer *ecdsa.PublicKey, message *protobuf.CommunityPrivilegedUserSyncMessage) error {
if signer == nil {
return errors.New("signer can't be nil")
}
community, err := m.communitiesManager.GetByID(message.CommunityId)
if err != nil {
return err
}
// Currently this type of msg coming from the control node.
// If it will change in the future, check that events types starting from
// CONTROL_NODE were sent by a control node
isControlNodeMsg := common.IsPubKeyEqual(community.PublicKey(), signer)
if !isControlNodeMsg {
return errors.New("accepted/requested to join sync messages can be send only by the control node")
}
if community == nil {
return errors.New("community not found")
}
err = m.communitiesManager.ValidateCommunityPrivilegedUserSyncMessage(message)
if err != nil {
return err
}
switch message.Type {
case protobuf.CommunityPrivilegedUserSyncMessage_CONTROL_NODE_ACCEPT_REQUEST_TO_JOIN:
fallthrough
case protobuf.CommunityPrivilegedUserSyncMessage_CONTROL_NODE_REJECT_REQUEST_TO_JOIN:
requestsToJoin, err := m.communitiesManager.HandleRequestToJoinPrivilegedUserSyncMessage(message, community.ID())
if err != nil {
return nil
}
state.Response.AddRequestsToJoinCommunity(requestsToJoin)
case protobuf.CommunityPrivilegedUserSyncMessage_CONTROL_NODE_ALL_SYNC_REQUESTS_TO_JOIN:
requestsToJoin, err := m.communitiesManager.HandleSyncAllRequestToJoinForNewPrivilegedMember(message, community.ID())
if err != nil {
return nil
}
state.Response.AddRequestsToJoinCommunity(requestsToJoin)
}
return nil
}
func (m *Messenger) HandleCommunityPrivilegedUserSyncMessage(state *ReceivedMessageState, message *protobuf.CommunityPrivilegedUserSyncMessage, statusMessage *v1protocol.StatusMessage) error {
signer := state.CurrentMessageState.PublicKey
return m.handleCommunityPrivilegedUserSyncMessage(state, signer, message)
}
func (m *Messenger) sendSharedAddressToControlNode(receiver *ecdsa.PublicKey, community *communities.Community) (*communities.RequestToJoin, error) {
if receiver == nil {
return nil, errors.New("receiver can't be nil")
}
if community == nil {
return nil, communities.ErrOrgNotFound
}
m.logger.Info("share address to the new owner ", zap.String("community id", community.IDString()))
pk := common.PubkeyToHex(&m.identity.PublicKey)
requestToJoin, err := m.communitiesManager.GetCommunityRequestToJoinWithRevealedAddresses(pk, community.ID())
if err != nil {
return nil, err
}
requestToJoin.Clock = uint64(time.Now().Unix())
requestToJoin.State = communities.RequestToJoinStateAwaitingAddresses
payload, err := proto.Marshal(requestToJoin.ToCommunityRequestToJoinProtobuf())
if err != nil {
return nil, err
}
rawMessage := common.RawMessage{
Payload: payload,
CommunityID: community.ID(),
SkipEncryptionLayer: true,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN,
PubsubTopic: community.PubsubTopic(), // TODO: confirm if it should be sent in community pubsub topic
}
if err = m.communitiesManager.SaveRequestToJoin(requestToJoin); err != nil {
return nil, err
}
_, err = m.sender.SendPrivate(context.Background(), receiver, &rawMessage)
return requestToJoin, err
}
func (m *Messenger) HandleSyncInstallationCommunity(messageState *ReceivedMessageState, syncCommunity *protobuf.SyncInstallationCommunity, statusMessage *v1protocol.StatusMessage) error {
return m.handleSyncInstallationCommunity(messageState, syncCommunity, nil)
}
func (m *Messenger) handleSyncInstallationCommunity(messageState *ReceivedMessageState, syncCommunity *protobuf.SyncInstallationCommunity, statusMessage *v1protocol.StatusMessage) error {
logger := m.logger.Named("handleSyncCommunity")
// Should handle community
shouldHandle, err := m.communitiesManager.ShouldHandleSyncCommunity(syncCommunity)
if err != nil {
logger.Debug("m.communitiesManager.ShouldHandleSyncCommunity error", zap.Error(err))
return err
}
logger.Debug("ShouldHandleSyncCommunity result", zap.Bool("shouldHandle", shouldHandle))
if !shouldHandle {
return nil
}
// Handle community keys
if len(syncCommunity.EncryptionKeys) != 0 {
// We pass nil,nil as private key/public key as they won't be encrypted
_, err := m.encryptor.HandleHashRatchetKeys(syncCommunity.Id, syncCommunity.EncryptionKeys, nil, nil)
if err != nil {
return err
}
}
// Handle any community requests to join.
// MUST BE HANDLED BEFORE DESCRIPTION!
pending := false
for _, rtj := range syncCommunity.RequestsToJoin {
req := new(communities.RequestToJoin)
req.InitFromSyncProtobuf(rtj)
if req.State == communities.RequestToJoinStatePending {
pending = true
}
err = m.communitiesManager.SaveRequestToJoin(req)
if err != nil && err != communities.ErrOldRequestToJoin {
logger.Debug("m.communitiesManager.SaveRequestToJoin error", zap.Error(err))
return err
}
}
logger.Debug("community requests to join pending state", zap.Bool("pending", pending))
// Don't use the public key of the private key, uncompress the community id
orgPubKey, err := crypto.DecompressPubkey(syncCommunity.Id)
if err != nil {
logger.Debug("crypto.DecompressPubkey error", zap.Error(err))
return err
}
logger.Debug("crypto.DecompressPubkey result", zap.Any("orgPubKey", orgPubKey))
var amm protobuf.ApplicationMetadataMessage
err = proto.Unmarshal(syncCommunity.Description, &amm)
if err != nil {
logger.Debug("proto.Unmarshal protobuf.ApplicationMetadataMessage error", zap.Error(err))
return err
}
var cd protobuf.CommunityDescription
err = proto.Unmarshal(amm.Payload, &cd)
if err != nil {
logger.Debug("proto.Unmarshal protobuf.CommunityDescription error", zap.Error(err))
return err
}
err = m.handleCommunityDescription(messageState, orgPubKey, &cd, syncCommunity.Description)
if err != nil {
logger.Debug("m.handleCommunityDescription error", zap.Error(err))
return err
}
if syncCommunity.Settings != nil {
err = m.HandleSyncCommunitySettings(messageState, syncCommunity.Settings, nil)
if err != nil {
logger.Debug("m.handleSyncCommunitySettings error", zap.Error(err))
return err
}
}
if syncCommunity.ControlNode != nil {
err = m.communitiesManager.SetSyncControlNode(syncCommunity.Id, syncCommunity.ControlNode)
if err != nil {
logger.Debug("m.SetSyncControlNode", zap.Error(err))
return err
}
}
savedCommunity, err := m.communitiesManager.GetByID(syncCommunity.Id)
if err != nil {
return err
}
if err := m.handleCommunityTokensMetadataByPrivilegedMembers(savedCommunity); err != nil {
logger.Debug("m.handleCommunityTokensMetadataByPrivilegedMembers", zap.Error(err))
return err
}
// if we are not waiting for approval, join or leave the community
if !pending {
var mr *MessengerResponse
if syncCommunity.Joined {
mr, err = m.joinCommunity(context.Background(), syncCommunity.Id, false)
if err != nil && err != communities.ErrOrgAlreadyJoined {
logger.Debug("m.joinCommunity error", zap.Error(err))
return err
}
} else {
mr, err = m.leaveCommunity(syncCommunity.Id)
if err != nil {
logger.Debug("m.leaveCommunity error", zap.Error(err))
return err
}
}
if mr != nil {
err = messageState.Response.Merge(mr)
if err != nil {
logger.Debug("messageState.Response.Merge error", zap.Error(err))
return err
}
}
}
// update the clock value
err = m.communitiesManager.SetSyncClock(syncCommunity.Id, syncCommunity.Clock)
if err != nil {
logger.Debug("m.communitiesManager.SetSyncClock", zap.Error(err))
return err
}
return nil
}
func (m *Messenger) HandleSyncCommunitySettings(messageState *ReceivedMessageState, syncCommunitySettings *protobuf.SyncCommunitySettings, statusMessage *v1protocol.StatusMessage) error {
shouldHandle, err := m.communitiesManager.ShouldHandleSyncCommunitySettings(syncCommunitySettings)
if err != nil {
m.logger.Debug("m.communitiesManager.ShouldHandleSyncCommunitySettings error", zap.Error(err))
return err
}
m.logger.Debug("ShouldHandleSyncCommunity result", zap.Bool("shouldHandle", shouldHandle))
if !shouldHandle {
return nil
}
communitySettings, err := m.communitiesManager.HandleSyncCommunitySettings(syncCommunitySettings)
if err != nil {
return err
}
messageState.Response.AddCommunitySettings(communitySettings)
return nil
}
func (m *Messenger) handleCommunityTokensMetadataByPrivilegedMembers(community *communities.Community) error {
return m.communitiesManager.HandleCommunityTokensMetadataByPrivilegedMembers(community)
}
func (m *Messenger) InitHistoryArchiveTasks(communities []*communities.Community) {
m.communitiesManager.LogStdout("initializing history archive tasks")
for _, c := range communities {
if c.Joined() {
settings, err := m.communitiesManager.GetCommunitySettingsByID(c.ID())
if err != nil {
m.communitiesManager.LogStdout("failed to get community settings", zap.Error(err))
continue
}
if !settings.HistoryArchiveSupportEnabled {
m.communitiesManager.LogStdout("history archive support disabled for community", zap.String("id", c.IDString()))
continue
}
// Check if there's already a torrent file for this community and seed it
if m.communitiesManager.TorrentFileExists(c.IDString()) {
err = m.communitiesManager.SeedHistoryArchiveTorrent(c.ID())
if err != nil {
m.communitiesManager.LogStdout("failed to seed history archive", zap.Error(err))
}
}
filters, err := m.communitiesManager.GetCommunityChatsFilters(c.ID())
if err != nil {
m.communitiesManager.LogStdout("failed to get community chats filters for community", zap.Error(err))
continue
}
if len(filters) == 0 {
m.communitiesManager.LogStdout("no filters or chats for this community starting interval", zap.String("id", c.IDString()))
go m.communitiesManager.StartHistoryArchiveTasksInterval(c, messageArchiveInterval)
continue
}
topics := []types.TopicType{}
for _, filter := range filters {
topics = append(topics, filter.ContentTopic)
}
// First we need to know the timestamp of the latest waku message
// we've received for this community, so we can request messages we've
// possibly missed since then
latestWakuMessageTimestamp, err := m.communitiesManager.GetLatestWakuMessageTimestamp(topics)
if err != nil {
m.communitiesManager.LogStdout("failed to get Latest waku message timestamp", zap.Error(err))
continue
}
if latestWakuMessageTimestamp == 0 {
// This means we don't have any waku messages for this community
// yet, either because no messages were sent in the community so far,
// or because messages haven't reached this node
//
// In this case we default to requesting messages from the store nodes
// for the past 30 days
latestWakuMessageTimestamp = uint64(time.Now().AddDate(0, 0, -30).Unix())
}
// Request possibly missed waku messages for community
_, err = m.syncFiltersFrom(filters, uint32(latestWakuMessageTimestamp))
if err != nil {
m.communitiesManager.LogStdout("failed to request missing messages", zap.Error(err))
continue
}
// We figure out the end date of the last created archive and schedule
// the interval for creating future archives
// If the last end date is at least `interval` ago, we create an archive immediately first
lastArchiveEndDateTimestamp, err := m.communitiesManager.GetHistoryArchivePartitionStartTimestamp(c.ID())
if err != nil {
m.communitiesManager.LogStdout("failed to get archive partition start timestamp", zap.Error(err))
continue
}
to := time.Now()
lastArchiveEndDate := time.Unix(int64(lastArchiveEndDateTimestamp), 0)
durationSinceLastArchive := to.Sub(lastArchiveEndDate)
if lastArchiveEndDateTimestamp == 0 {
// No prior messages to be archived, so we just kick off the archive creation loop
// for future archives
go m.communitiesManager.StartHistoryArchiveTasksInterval(c, messageArchiveInterval)
} else if durationSinceLastArchive < messageArchiveInterval {
// Last archive is less than `interval` old, wait until `interval` is complete,
// then create archive and kick off archive creation loop for future archives
// Seed current archive in the meantime
err := m.communitiesManager.SeedHistoryArchiveTorrent(c.ID())
if err != nil {
m.communitiesManager.LogStdout("failed to seed history archive", zap.Error(err))
}
timeToNextInterval := messageArchiveInterval - durationSinceLastArchive
m.communitiesManager.LogStdout("starting history archive tasks interval in", zap.Any("timeLeft", timeToNextInterval))
time.AfterFunc(timeToNextInterval, func() {
err := m.communitiesManager.CreateAndSeedHistoryArchive(c.ID(), topics, lastArchiveEndDate, to.Add(timeToNextInterval), messageArchiveInterval, c.Encrypted())
if err != nil {
m.communitiesManager.LogStdout("failed to get create and seed history archive", zap.Error(err))
}
go m.communitiesManager.StartHistoryArchiveTasksInterval(c, messageArchiveInterval)
})
} else {
// Looks like the last archive was generated more than `interval`
// ago, so lets create a new archive now and then schedule the archive
// creation loop
err := m.communitiesManager.CreateAndSeedHistoryArchive(c.ID(), topics, lastArchiveEndDate, to, messageArchiveInterval, c.Encrypted())
if err != nil {
m.communitiesManager.LogStdout("failed to get create and seed history archive", zap.Error(err))
}
go m.communitiesManager.StartHistoryArchiveTasksInterval(c, messageArchiveInterval)
}
}
}
}
func (m *Messenger) enableHistoryArchivesImportAfterDelay() {
go func() {
time.Sleep(importInitialDelay)
m.importDelayer.once.Do(func() {
close(m.importDelayer.wait)
})
}()
}
func (m *Messenger) checkIfIMemberOfCommunity(communityID types.HexBytes) error {
community, err := m.communitiesManager.GetByID(communityID)
if err != nil {
m.communitiesManager.LogStdout("couldn't get community to import archives", zap.Error(err))
return err
}
if !community.HasMember(&m.identity.PublicKey) {
m.communitiesManager.LogStdout("can't import archives when user not a member of community")
return ErrUserNotMember
}
return nil
}
func (m *Messenger) resumeHistoryArchivesImport(communityID types.HexBytes) error {
archiveIDsToImport, err := m.communitiesManager.GetMessageArchiveIDsToImport(communityID)
if err != nil {
return err
}
if len(archiveIDsToImport) == 0 {
return nil
}
err = m.checkIfIMemberOfCommunity(communityID)
if err != nil {
return err
}
currentTask := m.communitiesManager.GetHistoryArchiveDownloadTask(communityID.String())
// no need to resume imports if there's already a task ongoing
if currentTask != nil {
return nil
}
// Create new task
task := &communities.HistoryArchiveDownloadTask{
CancelChan: make(chan struct{}),
Waiter: *new(sync.WaitGroup),
Cancelled: false,
}
m.communitiesManager.AddHistoryArchiveDownloadTask(communityID.String(), task)
// this wait groups tracks the ongoing task for a particular community
task.Waiter.Add(1)
go func() {
defer task.Waiter.Done()
err := m.importHistoryArchives(communityID, task.CancelChan)
if err != nil {
m.communitiesManager.LogStdout("failed to import history archives", zap.Error(err))
}
m.config.messengerSignalsHandler.DownloadingHistoryArchivesFinished(types.EncodeHex(communityID))
}()
return nil
}
func (m *Messenger) SpeedupArchivesImport() {
m.importRateLimiter.SetLimit(rate.Every(importFastRate))
}
func (m *Messenger) SlowdownArchivesImport() {
m.importRateLimiter.SetLimit(rate.Every(importSlowRate))
}
func (m *Messenger) importHistoryArchives(communityID types.HexBytes, cancel chan struct{}) error {
importTicker := time.NewTicker(100 * time.Millisecond)
defer importTicker.Stop()
ctx, cancelFunc := context.WithCancel(context.Background())
go func() {
<-cancel
cancelFunc()
}()
// don't proceed until initial import delay has passed
select {
case <-m.importDelayer.wait:
case <-ctx.Done():
return nil
}
importMessageArchivesLoop:
for {
select {
case <-ctx.Done():
m.communitiesManager.LogStdout("interrupted importing history archive messages")
return nil
case <-importTicker.C:
err := m.checkIfIMemberOfCommunity(communityID)
if err != nil {
break importMessageArchivesLoop
}
archiveIDsToImport, err := m.communitiesManager.GetMessageArchiveIDsToImport(communityID)
if err != nil {
m.communitiesManager.LogStdout("couldn't get message archive IDs to import", zap.Error(err))
return err
}
if len(archiveIDsToImport) == 0 {
m.communitiesManager.LogStdout("no message archives to import")
break importMessageArchivesLoop
}
m.communitiesManager.LogStdout(fmt.Sprintf("importing message archive, %d left", len(archiveIDsToImport)))
// only process one archive at a time, so in case of cancel we don't
// wait for all archives to be processed first
downloadedArchiveID := archiveIDsToImport[0]
archiveMessages, err := m.communitiesManager.ExtractMessagesFromHistoryArchive(communityID, downloadedArchiveID)
if err != nil {
m.communitiesManager.LogStdout("failed to extract history archive messages", zap.Error(err))
continue
}
m.config.messengerSignalsHandler.ImportingHistoryArchiveMessages(types.EncodeHex(communityID))
for _, messagesChunk := range chunkSlice(archiveMessages, importMessagesChunkSize) {
if err := m.importRateLimiter.Wait(ctx); err != nil {
if !errors.Is(err, context.Canceled) {
m.communitiesManager.LogStdout("rate limiter error when handling archive messages", zap.Error(err))
}
continue importMessageArchivesLoop
}
response, err := m.handleArchiveMessages(messagesChunk)
if err != nil {
m.communitiesManager.LogStdout("failed to handle archive messages", zap.Error(err))
continue importMessageArchivesLoop
}
if !response.IsEmpty() {
notifications := response.Notifications()
response.ClearNotifications()
signal.SendNewMessages(response)
localnotifications.PushMessages(notifications)
}
}
err = m.communitiesManager.SetMessageArchiveIDImported(communityID, downloadedArchiveID, true)
if err != nil {
m.communitiesManager.LogStdout("failed to mark history message archive as imported", zap.Error(err))
continue
}
}
}
return nil
}
func (m *Messenger) dispatchMagnetlinkMessage(communityID string) error {
community, err := m.communitiesManager.GetByIDString(communityID)
if err != nil {
return err
}
magnetlink, err := m.communitiesManager.GetHistoryArchiveMagnetlink(community.ID())
if err != nil {
return err
}
magnetLinkMessage := &protobuf.CommunityMessageArchiveMagnetlink{
Clock: m.getTimesource().GetCurrentTime(),
MagnetUri: magnetlink,
}
encodedMessage, err := proto.Marshal(magnetLinkMessage)
if err != nil {
return err
}
chatID := community.MagnetlinkMessageChannelID()
rawMessage := common.RawMessage{
LocalChatID: chatID,
Sender: community.PrivateKey(),
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_MESSAGE_ARCHIVE_MAGNETLINK,
SkipGroupMessageWrap: true,
PubsubTopic: community.PubsubTopic(),
}
_, err = m.sender.SendPublic(context.Background(), chatID, rawMessage)
if err != nil {
return err
}
err = m.communitiesManager.UpdateCommunityDescriptionMagnetlinkMessageClock(community.ID(), magnetLinkMessage.Clock)
if err != nil {
return err
}
return m.communitiesManager.UpdateMagnetlinkMessageClock(community.ID(), magnetLinkMessage.Clock)
}
func (m *Messenger) EnableCommunityHistoryArchiveProtocol() error {
nodeConfig, err := m.settings.GetNodeConfig()
if err != nil {
return err
}
if nodeConfig.TorrentConfig.Enabled {
return nil
}
nodeConfig.TorrentConfig.Enabled = true
err = m.settings.SaveSetting("node-config", nodeConfig)
if err != nil {
return err
}
m.config.torrentConfig = &nodeConfig.TorrentConfig
m.communitiesManager.SetTorrentConfig(&nodeConfig.TorrentConfig)
err = m.communitiesManager.StartTorrentClient()
if err != nil {
return err
}
controlledCommunities, err := m.communitiesManager.Controlled()
if err != nil {
return err
}
if len(controlledCommunities) > 0 {
go m.InitHistoryArchiveTasks(controlledCommunities)
}
m.config.messengerSignalsHandler.HistoryArchivesProtocolEnabled()
return nil
}
func (m *Messenger) DisableCommunityHistoryArchiveProtocol() error {
nodeConfig, err := m.settings.GetNodeConfig()
if err != nil {
return err
}
if !nodeConfig.TorrentConfig.Enabled {
return nil
}
m.communitiesManager.StopTorrentClient()
nodeConfig.TorrentConfig.Enabled = false
err = m.settings.SaveSetting("node-config", nodeConfig)
m.config.torrentConfig = &nodeConfig.TorrentConfig
m.communitiesManager.SetTorrentConfig(&nodeConfig.TorrentConfig)
if err != nil {
return err
}
m.config.messengerSignalsHandler.HistoryArchivesProtocolDisabled()
return nil
}
func (m *Messenger) GetCommunitiesSettings() ([]communities.CommunitySettings, error) {
settings, err := m.communitiesManager.GetCommunitiesSettings()
if err != nil {
return nil, err
}
return settings, nil
}
func (m *Messenger) SyncCommunitySettings(ctx context.Context, settings *communities.CommunitySettings) error {
if !m.hasPairedDevices() {
return nil
}
clock, chat := m.getLastClockWithRelatedChat()
syncMessage := &protobuf.SyncCommunitySettings{
Clock: clock,
CommunityId: settings.CommunityID,
HistoryArchiveSupportEnabled: settings.HistoryArchiveSupportEnabled,
}
encodedMessage, err := proto.Marshal(syncMessage)
if err != nil {
return err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chat.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_SYNC_COMMUNITY_SETTINGS,
ResendAutomatically: true,
})
if err != nil {
return err
}
chat.LastClockValue = clock
return m.saveChat(chat)
}
func (m *Messenger) generateSystemPinnedMessage(pinMessage *common.PinMessage, channel *Chat, clockAndTimestamp uint64, pinnedMessageID string) (*common.Message, *discord.ImportError) {
id, err := generatePinMessageNotificationID(&m.identity.PublicKey, pinMessage, channel)
if err != nil {
m.logger.Warn("failed to generate pin message notification ID",
zap.String("PinMessageId", pinMessage.ID))
return nil, discord.Warning(err.Error())
}
systemMessage := &common.Message{
ChatMessage: &protobuf.ChatMessage{
Clock: pinMessage.Clock,
Timestamp: clockAndTimestamp,
ChatId: channel.ID,
MessageType: pinMessage.MessageType,
ResponseTo: pinnedMessageID,
ContentType: protobuf.ChatMessage_SYSTEM_MESSAGE_PINNED_MESSAGE,
},
WhisperTimestamp: clockAndTimestamp,
ID: id,
LocalChatID: channel.ID,
From: pinMessage.From,
Seen: true,
}
return systemMessage, nil
}
func (m *Messenger) pinMessagesToWakuMessages(pinMessages []*common.PinMessage, c *communities.Community) ([]*types.Message, error) {
wakuMessages := make([]*types.Message, 0)
for _, msg := range pinMessages {
filter := m.transport.FilterByChatID(msg.LocalChatID)
encodedPayload, err := proto.Marshal(msg.GetProtobuf())
if err != nil {
return nil, err
}
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_PIN_MESSAGE, c.PrivateKey())
if err != nil {
return nil, err
}
hash := crypto.Keccak256Hash(append([]byte(c.IDString()), wrappedPayload...))
wakuMessage := &types.Message{
Sig: crypto.FromECDSAPub(&c.PrivateKey().PublicKey),
Timestamp: uint32(msg.WhisperTimestamp / 1000),
Topic: filter.ContentTopic,
Payload: wrappedPayload,
Padding: []byte{1},
Hash: hash[:],
ThirdPartyID: msg.ID, // CommunityID + DiscordMessageID
}
wakuMessages = append(wakuMessages, wakuMessage)
}
return wakuMessages, nil
}
func (m *Messenger) torrentClientReady() bool {
// Simply checking for `torrentConfig.Enabled` isn't enough
// as there's a possiblity that the torrent client couldn't
// be instantiated (for example in case of port conflicts)
return m.config.torrentConfig != nil &&
m.config.torrentConfig.Enabled &&
m.communitiesManager.TorrentClientStarted()
}
func (m *Messenger) chatMessagesToWakuMessages(chatMessages []*common.Message, c *communities.Community) ([]*types.Message, error) {
wakuMessages := make([]*types.Message, 0)
for _, msg := range chatMessages {
filter := m.transport.FilterByChatID(msg.LocalChatID)
encodedPayload, err := proto.Marshal(msg.GetProtobuf())
if err != nil {
return nil, err
}
wrappedPayload, err := v1protocol.WrapMessageV1(encodedPayload, protobuf.ApplicationMetadataMessage_CHAT_MESSAGE, c.PrivateKey())
if err != nil {
return nil, err
}
hash := crypto.Keccak256Hash([]byte(msg.ID))
wakuMessage := &types.Message{
Sig: crypto.FromECDSAPub(&c.PrivateKey().PublicKey),
Timestamp: uint32(msg.WhisperTimestamp / 1000),
Topic: filter.ContentTopic,
Payload: wrappedPayload,
Padding: []byte{1},
Hash: hash[:],
ThirdPartyID: msg.ID, // CommunityID + DiscordMessageID
}
wakuMessages = append(wakuMessages, wakuMessage)
}
return wakuMessages, nil
}
func (m *Messenger) GetCommunityToken(communityID string, chainID int, address string) (*token.CommunityToken, error) {
return m.communitiesManager.GetCommunityToken(communityID, chainID, address)
}
func (m *Messenger) GetCommunityTokens(communityID string) ([]*token.CommunityToken, error) {
return m.communitiesManager.GetCommunityTokens(communityID)
}
func (m *Messenger) GetAllCommunityTokens() ([]*token.CommunityToken, error) {
return m.communitiesManager.GetAllCommunityTokens()
}
func (m *Messenger) SaveCommunityToken(token *token.CommunityToken, croppedImage *images.CroppedImage) (*token.CommunityToken, error) {
return m.communitiesManager.SaveCommunityToken(token, croppedImage)
}
func (m *Messenger) AddCommunityToken(communityID string, chainID int, address string) error {
communityToken, err := m.communitiesManager.GetCommunityToken(communityID, chainID, address)
if err != nil {
return err
}
clock, _ := m.getLastClockWithRelatedChat()
community, err := m.communitiesManager.AddCommunityToken(communityToken, clock)
if err != nil {
return err
}
err = m.syncCommunity(context.Background(), community, m.dispatchMessage)
if err != nil {
return err
}
return nil
}
func (m *Messenger) UpdateCommunityTokenState(chainID int, contractAddress string, deployState token.DeployState) error {
return m.communitiesManager.UpdateCommunityTokenState(chainID, contractAddress, deployState)
}
func (m *Messenger) UpdateCommunityTokenAddress(chainID int, oldContractAddress string, newContractAddress string) error {
return m.communitiesManager.UpdateCommunityTokenAddress(chainID, oldContractAddress, newContractAddress)
}
func (m *Messenger) UpdateCommunityTokenSupply(chainID int, contractAddress string, supply *bigint.BigInt) error {
return m.communitiesManager.UpdateCommunityTokenSupply(chainID, contractAddress, supply)
}
func (m *Messenger) RemoveCommunityToken(chainID int, contractAddress string) error {
return m.communitiesManager.RemoveCommunityToken(chainID, contractAddress)
}
func (m *Messenger) CheckPermissionsToJoinCommunity(request *requests.CheckPermissionToJoinCommunity) (*communities.CheckPermissionToJoinResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var addresses []gethcommon.Address
if len(request.Addresses) == 0 {
accounts, err := m.settings.GetActiveAccounts()
if err != nil {
return nil, err
}
for _, a := range accounts {
addresses = append(addresses, gethcommon.HexToAddress(a.Address.Hex()))
}
} else {
for _, v := range request.Addresses {
addresses = append(addresses, gethcommon.HexToAddress(v))
}
}
return m.communitiesManager.CheckPermissionToJoin(request.CommunityID, addresses)
}
func (m *Messenger) CheckCommunityChannelPermissions(request *requests.CheckCommunityChannelPermissions) (*communities.CheckChannelPermissionsResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var addresses []gethcommon.Address
if len(request.Addresses) == 0 {
accounts, err := m.settings.GetActiveAccounts()
if err != nil {
return nil, err
}
for _, a := range accounts {
addresses = append(addresses, gethcommon.HexToAddress(a.Address.Hex()))
}
} else {
for _, v := range request.Addresses {
addresses = append(addresses, gethcommon.HexToAddress(v))
}
}
return m.communitiesManager.CheckChannelPermissions(request.CommunityID, request.ChatID, addresses)
}
func (m *Messenger) CheckAllCommunityChannelsPermissions(request *requests.CheckAllCommunityChannelsPermissions) (*communities.CheckAllChannelsPermissionsResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
var addresses []gethcommon.Address
if len(request.Addresses) == 0 {
accounts, err := m.settings.GetActiveAccounts()
if err != nil {
return nil, err
}
for _, a := range accounts {
addresses = append(addresses, gethcommon.HexToAddress(a.Address.Hex()))
}
} else {
for _, v := range request.Addresses {
addresses = append(addresses, gethcommon.HexToAddress(v))
}
}
return m.communitiesManager.CheckAllChannelsPermissions(request.CommunityID, addresses)
}
func (m *Messenger) GetCommunityCheckChannelPermissionResponses(communityID types.HexBytes) (*communities.CheckAllChannelsPermissionsResponse, error) {
return m.communitiesManager.GetCheckChannelPermissionResponses(communityID)
}
func chunkSlice[T comparable](slice []T, chunkSize int) [][]T {
var chunks [][]T
for i := 0; i < len(slice); i += chunkSize {
end := i + chunkSize
// necessary check to avoid slicing beyond
// slice capacity
if end > len(slice) {
end = len(slice)
}
chunks = append(chunks, slice[i:end])
}
return chunks
}
func chunkAttachmentsByByteSize(slice []*protobuf.DiscordMessageAttachment, maxFileSizeBytes uint64) [][]*protobuf.DiscordMessageAttachment {
var chunks [][]*protobuf.DiscordMessageAttachment
currentChunkSize := uint64(0)
currentChunk := make([]*protobuf.DiscordMessageAttachment, 0)
for i, attachment := range slice {
payloadBytes := attachment.GetFileSizeBytes()
if currentChunkSize+payloadBytes > maxFileSizeBytes && len(currentChunk) > 0 {
chunks = append(chunks, currentChunk)
currentChunk = make([]*protobuf.DiscordMessageAttachment, 0)
currentChunkSize = uint64(0)
}
currentChunk = append(currentChunk, attachment)
currentChunkSize = currentChunkSize + payloadBytes
if i == len(slice)-1 {
chunks = append(chunks, currentChunk)
}
}
return chunks
}
// startCommunityRekeyLoop creates a 5-minute ticker and starts a routine that attempts to rekey every community every tick
func (m *Messenger) startCommunityRekeyLoop() {
logger := m.logger.Named("CommunityRekeyLoop")
var d time.Duration
if m.communitiesManager.RekeyInterval != 0 {
if m.communitiesManager.RekeyInterval < 10 {
d = time.Nanosecond
} else {
d = m.communitiesManager.RekeyInterval / 10
}
} else {
d = 5 * time.Minute
}
ticker := time.NewTicker(d)
go func() {
for {
select {
case <-ticker.C:
m.rekeyCommunities(logger)
case <-m.quit:
ticker.Stop()
logger.Debug("CommunityRekeyLoop stopped")
return
}
}
}()
}
// rekeyCommunities loops over controlled communities and rekeys if rekey interval elapsed
func (m *Messenger) rekeyCommunities(logger *zap.Logger) {
// TODO in future have a community level rki rather than a global rki
var rekeyInterval time.Duration
if m.communitiesManager.RekeyInterval == 0 {
rekeyInterval = 48 * time.Hour
} else {
rekeyInterval = m.communitiesManager.RekeyInterval
}
shouldRekey := func(hashRatchetGroupID []byte) bool {
key, err := m.sender.GetCurrentKeyForGroup(hashRatchetGroupID)
if err != nil {
logger.Error("failed to get current hash ratchet key", zap.Error(err))
return false
}
keyDistributedAt := time.UnixMilli(int64(key.Timestamp))
return time.Now().After(keyDistributedAt.Add(rekeyInterval))
}
controlledCommunities, err := m.ControlledCommunities()
if err != nil {
logger.Error("error getting communities", zap.Error(err))
return
}
for _, c := range controlledCommunities {
keyActions := &communities.EncryptionKeyActions{
CommunityKeyAction: communities.EncryptionKeyAction{},
ChannelKeysActions: map[string]communities.EncryptionKeyAction{},
}
if c.Encrypted() && shouldRekey(c.ID()) {
keyActions.CommunityKeyAction = communities.EncryptionKeyAction{
ActionType: communities.EncryptionKeyRekey,
Members: c.Members(),
}
}
for channelID, channel := range c.Chats() {
if c.ChannelEncrypted(channelID) && shouldRekey([]byte(c.IDString()+channelID)) {
keyActions.ChannelKeysActions[channelID] = communities.EncryptionKeyAction{
ActionType: communities.EncryptionKeyRekey,
Members: channel.Members,
}
}
}
err = m.communitiesKeyDistributor.Distribute(c, keyActions)
if err != nil {
logger.Error("failed to rekey community", zap.Error(err), zap.String("community ID", c.IDString()))
continue
}
}
}
func (m *Messenger) GetCommunityMembersForWalletAddresses(communityID types.HexBytes, chainID uint64) (map[string]*Contact, error) {
community, err := m.communitiesManager.GetByID(communityID)
if err != nil {
return nil, err
}
membersForAddresses := map[string]*Contact{}
for _, memberPubKey := range community.GetMemberPubkeys() {
memberPubKeyStr := common.PubkeyToHex(memberPubKey)
revealedAccounts, err := m.communitiesManager.GetRevealedAddresses(communityID, memberPubKeyStr)
if err != nil {
return nil, err
}
for _, revealedAccount := range revealedAccounts {
if !slices.Contains(revealedAccount.ChainIds, chainID) {
continue
}
contact, ok := m.allContacts.Load(memberPubKeyStr)
if ok {
membersForAddresses[revealedAccount.Address] = contact
} else {
m.logger.Error("community member is not a contact", zap.String("contact ID", memberPubKeyStr))
}
}
}
return membersForAddresses, nil
}
func (m *Messenger) processCommunityChanges(messageState *ReceivedMessageState) {
// Process any community changes
for _, changes := range messageState.Response.CommunityChanges {
if changes.ShouldMemberJoin {
response, err := m.joinCommunity(context.TODO(), changes.Community.ID(), false)
if err != nil {
m.logger.Error("cannot join community", zap.Error(err))
continue
}
if err := messageState.Response.Merge(response); err != nil {
m.logger.Error("cannot merge join community response", zap.Error(err))
continue
}
} else if changes.MemberKicked {
response, err := m.kickedOutOfCommunity(changes.Community.ID())
if err != nil {
m.logger.Error("cannot leave community", zap.Error(err))
continue
}
if err := messageState.Response.Merge(response); err != nil {
m.logger.Error("cannot merge join community response", zap.Error(err))
continue
}
// Activity Center notification
now := m.GetCurrentTimeInMillis()
notification := &ActivityCenterNotification{
ID: types.FromHex(uuid.New().String()),
Type: ActivityCenterNotificationTypeCommunityKicked,
Timestamp: now,
CommunityID: changes.Community.IDString(),
Read: false,
UpdatedAt: now,
}
err = m.addActivityCenterNotification(response, notification, nil)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
continue
}
if err := messageState.Response.Merge(response); err != nil {
m.logger.Error("cannot merge notification response", zap.Error(err))
continue
}
}
}
// Clean up as not used by clients currently
messageState.Response.CommunityChanges = nil
}
func (m *Messenger) PromoteSelfToControlNode(communityID types.HexBytes) (*MessengerResponse, error) {
clock, _ := m.getLastClockWithRelatedChat()
community, err := m.FetchCommunity(&FetchCommunityRequest{
CommunityKey: types.EncodeHex(communityID),
Shard: nil,
TryDatabase: true,
WaitForResponse: true,
})
if err != nil {
return nil, err
}
changes, err := m.communitiesManager.PromoteSelfToControlNode(community, clock)
if err != nil {
return nil, err
}
if len(changes.MembersRemoved) > 0 {
err = m.communitiesManager.GenerateRequestsToJoinForAutoApprovalOnNewOwnership(changes.Community.ID(), changes.MembersRemoved)
if err != nil {
return nil, err
}
}
err = m.syncCommunity(context.Background(), changes.Community, m.dispatchMessage)
if err != nil {
return nil, err
}
var response MessengerResponse
response.AddCommunity(changes.Community)
response.CommunityChanges = []*communities.CommunityChanges{changes}
return &response, nil
}
func (m *Messenger) CreateResponseWithACNotification(communityID string, acType ActivityCenterType, isRead bool) (*MessengerResponse, error) {
// Activity center notification
notification := &ActivityCenterNotification{
ID: types.FromHex(uuid.New().String()),
Type: acType,
Timestamp: m.getTimesource().GetCurrentTime(),
CommunityID: communityID,
Read: isRead,
Deleted: false,
UpdatedAt: m.GetCurrentTimeInMillis(),
}
response := &MessengerResponse{}
err := m.addActivityCenterNotification(response, notification, nil)
if err != nil {
m.logger.Error("failed to save notification", zap.Error(err))
return response, err
}
return response, nil
}
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