608 lines
16 KiB
Go
608 lines
16 KiB
Go
package protocol
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import (
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"context"
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"crypto/ecdsa"
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"fmt"
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"time"
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"github.com/golang/protobuf/proto"
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"go.uber.org/zap"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/protocol/common"
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"github.com/status-im/status-go/protocol/communities"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/protocol/requests"
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"github.com/status-im/status-go/protocol/transport"
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)
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const communityInvitationText = "Upgrade to see a community invitation"
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func (m *Messenger) publishOrg(org *communities.Community) error {
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m.logger.Debug("publishing org", zap.String("org-id", org.IDString()), zap.Any("org", org))
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payload, err := org.MarshaledDescription()
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if err != nil {
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return err
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}
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rawMessage := common.RawMessage{
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Payload: payload,
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Sender: org.PrivateKey(),
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// we don't want to wrap in an encryption layer message
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SkipEncryption: true,
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MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_DESCRIPTION,
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}
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_, err = m.processor.SendPublic(context.Background(), org.IDString(), rawMessage)
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return err
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}
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func (m *Messenger) publishOrgInvitation(org *communities.Community, invitation *protobuf.CommunityInvitation) error {
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m.logger.Debug("publishing org invitation", zap.String("org-id", org.IDString()), zap.Any("org", org))
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pk, err := crypto.DecompressPubkey(invitation.PublicKey)
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if err != nil {
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return err
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}
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payload, err := proto.Marshal(invitation)
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if err != nil {
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return err
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}
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rawMessage := common.RawMessage{
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Payload: payload,
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Sender: org.PrivateKey(),
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// we don't want to wrap in an encryption layer message
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SkipEncryption: true,
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MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_INVITATION,
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}
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_, err = m.processor.SendPrivate(context.Background(), pk, &rawMessage)
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return err
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}
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// handleCommunitiesSubscription handles events from communities
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func (m *Messenger) handleCommunitiesSubscription(c chan *communities.Subscription) {
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var lastPublished int64
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// We check every 5 minutes if we need to publish
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ticker := time.NewTicker(5 * time.Minute)
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go func() {
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for {
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select {
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case sub, more := <-c:
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if !more {
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return
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}
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if sub.Community != nil {
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err := m.publishOrg(sub.Community)
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if err != nil {
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m.logger.Warn("failed to publish org", zap.Error(err))
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}
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}
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for _, invitation := range sub.Invitations {
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err := m.publishOrgInvitation(sub.Community, invitation)
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if err != nil {
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m.logger.Warn("failed to publish org invitation", zap.Error(err))
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}
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}
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m.logger.Debug("published org")
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case <-ticker.C:
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// If we are not online, we don't even try
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if !m.online() {
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continue
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}
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// If not enough time has passed since last advertisement, we skip this
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if time.Now().Unix()-lastPublished < communityAdvertiseIntervalSecond {
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continue
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}
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orgs, err := m.communitiesManager.Created()
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if err != nil {
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m.logger.Warn("failed to retrieve orgs", zap.Error(err))
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}
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for idx := range orgs {
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org := orgs[idx]
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err := m.publishOrg(org)
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if err != nil {
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m.logger.Warn("failed to publish org", zap.Error(err))
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}
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}
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// set lastPublished
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lastPublished = time.Now().Unix()
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case <-m.quit:
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return
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}
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}
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}()
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}
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func (m *Messenger) Communities() ([]*communities.Community, error) {
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return m.communitiesManager.All()
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}
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func (m *Messenger) JoinedCommunities() ([]*communities.Community, error) {
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return m.communitiesManager.Joined()
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}
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func (m *Messenger) JoinCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
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return m.joinCommunity(communityID)
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}
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func (m *Messenger) joinCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
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response := &MessengerResponse{}
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community, err := m.communitiesManager.JoinCommunity(communityID)
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if err != nil {
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return nil, err
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}
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chatIDs := []string{community.IDString()}
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chats := CreateCommunityChats(community, m.getTimesource())
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response.AddChats(chats)
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for _, chat := range response.Chats() {
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chatIDs = append(chatIDs, chat.ID)
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}
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// Load transport filters
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filters, err := m.transport.InitPublicFilters(chatIDs)
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if err != nil {
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return nil, err
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}
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willSync, err := m.scheduleSyncFilters(filters)
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if err != nil {
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return nil, err
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}
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if !willSync {
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timestamp := uint32(m.getTimesource().GetCurrentTime()/1000) - defaultSyncInterval
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for idx := range chats {
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chats[idx].SyncedTo = timestamp
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chats[idx].SyncedFrom = timestamp
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}
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}
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response.AddCommunity(community)
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return response, m.saveChats(chats)
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}
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func (m *Messenger) RequestToJoinCommunity(request *requests.RequestToJoinCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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community, requestToJoin, err := m.communitiesManager.RequestToJoin(&m.identity.PublicKey, request)
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if err != nil {
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return nil, err
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}
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requestToJoinProto := &protobuf.CommunityRequestToJoin{
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Clock: requestToJoin.Clock,
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EnsName: requestToJoin.ENSName,
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CommunityId: community.ID(),
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}
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payload, err := proto.Marshal(requestToJoinProto)
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if err != nil {
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return nil, err
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}
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rawMessage := common.RawMessage{
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Payload: payload,
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SkipEncryption: true,
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MessageType: protobuf.ApplicationMetadataMessage_COMMUNITY_REQUEST_TO_JOIN,
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}
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_, err = m.processor.SendCommunityMessage(context.Background(), community.PublicKey(), rawMessage)
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{RequestsToJoinCommunity: []*communities.RequestToJoin{requestToJoin}}
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response.AddCommunity(community)
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// We send a push notification in the background
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go func() {
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if m.pushNotificationClient != nil {
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pks, err := community.CanManageUsersPublicKeys()
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if err != nil {
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m.logger.Error("failed to get pks", zap.Error(err))
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return
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}
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for _, publicKey := range pks {
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pkString := common.PubkeyToHex(publicKey)
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_, err = m.pushNotificationClient.SendNotification(publicKey, nil, requestToJoin.ID, pkString, protobuf.PushNotification_REQUEST_TO_JOIN_COMMUNITY)
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if err != nil {
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m.logger.Error("error sending notification", zap.Error(err))
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return
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}
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}
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}
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}()
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return response, nil
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}
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func (m *Messenger) AcceptRequestToJoinCommunity(request *requests.AcceptRequestToJoinCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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community, err := m.communitiesManager.AcceptRequestToJoin(request)
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) DeclineRequestToJoinCommunity(request *requests.DeclineRequestToJoinCommunity) error {
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if err := request.Validate(); err != nil {
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return err
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}
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return m.communitiesManager.DeclineRequestToJoin(request)
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}
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func (m *Messenger) LeaveCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
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return m.leaveCommunity(communityID)
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}
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func (m *Messenger) leaveCommunity(communityID types.HexBytes) (*MessengerResponse, error) {
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response := &MessengerResponse{}
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community, err := m.communitiesManager.LeaveCommunity(communityID)
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if err != nil {
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return nil, err
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}
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// Make chat inactive
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for chatID := range community.Chats() {
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communityChatID := communityID.String() + chatID
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err := m.deleteChat(communityChatID)
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if err != nil {
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return nil, err
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}
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response.AddRemovedChat(communityChatID)
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_, err = m.transport.RemoveFilterByChatID(communityChatID)
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if err != nil {
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return nil, err
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}
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}
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_, err = m.transport.RemoveFilterByChatID(communityID.String())
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if err != nil {
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return nil, err
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}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) CreateCommunityChat(communityID types.HexBytes, c *protobuf.CommunityChat) (*MessengerResponse, error) {
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var response MessengerResponse
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community, changes, err := m.communitiesManager.CreateChat(communityID, c)
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if err != nil {
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return nil, err
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}
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response.AddCommunity(community)
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response.CommunityChanges = []*communities.CommunityChanges{changes}
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var chats []*Chat
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var chatIDs []string
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for chatID, chat := range changes.ChatsAdded {
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c := CreateCommunityChat(community.IDString(), chatID, chat, m.getTimesource())
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chats = append(chats, c)
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chatIDs = append(chatIDs, c.ID)
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response.AddChat(c)
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}
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// Load filters
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filters, err := m.transport.InitPublicFilters(chatIDs)
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if err != nil {
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return nil, err
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}
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_, err = m.scheduleSyncFilters(filters)
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if err != nil {
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return nil, err
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}
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return &response, m.saveChats(chats)
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}
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func (m *Messenger) CreateCommunity(request *requests.CreateCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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community, err := m.communitiesManager.CreateCommunity(request)
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if err != nil {
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return nil, err
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}
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// Init the community filter so we can receive messages on the community
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_, err = m.transport.InitCommunityFilters([]*ecdsa.PrivateKey{community.PrivateKey()})
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) EditCommunity(request *requests.EditCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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community, err := m.communitiesManager.EditCommunity(request)
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) ExportCommunity(id types.HexBytes) (*ecdsa.PrivateKey, error) {
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return m.communitiesManager.ExportCommunity(id)
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}
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func (m *Messenger) ImportCommunity(key *ecdsa.PrivateKey) (*MessengerResponse, error) {
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community, err := m.communitiesManager.ImportCommunity(key)
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if err != nil {
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return nil, err
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}
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// Load filters
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_, err = m.transport.InitPublicFilters([]string{community.IDString()})
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if err != nil {
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return nil, err
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}
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//request info already stored on mailserver, but its success is not crucial
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// for import
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_ = m.RequestCommunityInfoFromMailserver(community.IDString())
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// We add ourselves
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_, err = m.communitiesManager.InviteUsersToCommunity(community.ID(), []*ecdsa.PublicKey{&m.identity.PublicKey})
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if err != nil {
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return nil, err
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}
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return m.JoinCommunity(community.ID())
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}
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func (m *Messenger) InviteUsersToCommunity(request *requests.InviteUsersToCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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var messages []*common.Message
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var publicKeys []*ecdsa.PublicKey
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for _, pkBytes := range request.Users {
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publicKey, err := common.HexToPubkey(pkBytes.String())
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if err != nil {
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return nil, err
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}
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publicKeys = append(publicKeys, publicKey)
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message := &common.Message{}
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message.ChatId = pkBytes.String()
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message.CommunityID = request.CommunityID.String()
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message.Text = communityInvitationText
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messages = append(messages, message)
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r, err := m.CreateOneToOneChat(&requests.CreateOneToOneChat{ID: pkBytes})
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if err != nil {
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return nil, err
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}
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if err := response.Merge(r); err != nil {
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return nil, err
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}
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}
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community, err := m.communitiesManager.InviteUsersToCommunity(request.CommunityID, publicKeys)
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if err != nil {
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return nil, err
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}
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sendMessagesResponse, err := m.SendChatMessages(context.Background(), messages)
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if err != nil {
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return nil, err
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}
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if err := response.Merge(sendMessagesResponse); err != nil {
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return nil, err
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}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) ShareCommunity(request *requests.ShareCommunity) (*MessengerResponse, error) {
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if err := request.Validate(); err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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var messages []*common.Message
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for _, pk := range request.Users {
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message := &common.Message{}
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message.ChatId = pk.String()
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message.CommunityID = request.CommunityID.String()
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message.Text = communityInvitationText
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messages = append(messages, message)
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r, err := m.CreateOneToOneChat(&requests.CreateOneToOneChat{ID: pk})
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if err != nil {
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return nil, err
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}
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if err := response.Merge(r); err != nil {
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return nil, err
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}
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}
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sendMessagesResponse, err := m.SendChatMessages(context.Background(), messages)
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if err != nil {
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return nil, err
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}
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if err := response.Merge(sendMessagesResponse); err != nil {
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return nil, err
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}
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return response, nil
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}
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func (m *Messenger) MyPendingRequestsToJoin() ([]*communities.RequestToJoin, error) {
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return m.communitiesManager.PendingRequestsToJoinForUser(&m.identity.PublicKey)
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}
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func (m *Messenger) PendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) {
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return m.communitiesManager.PendingRequestsToJoinForCommunity(id)
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}
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func (m *Messenger) RemoveUserFromCommunity(id types.HexBytes, pkString string) (*MessengerResponse, error) {
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publicKey, err := common.HexToPubkey(pkString)
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if err != nil {
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return nil, err
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}
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community, err := m.communitiesManager.RemoveUserFromCommunity(id, publicKey)
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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response.AddCommunity(community)
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return response, nil
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}
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func (m *Messenger) BanUserFromCommunity(request *requests.BanUserFromCommunity) (*MessengerResponse, error) {
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community, err := m.communitiesManager.BanUserFromCommunity(request)
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if err != nil {
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return nil, err
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}
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response := &MessengerResponse{}
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response.AddCommunity(community)
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return response, nil
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}
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// RequestCommunityInfoFromMailserver installs filter for community and requests its details
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// from mailserver. When response received it will be passed through signals handler
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func (m *Messenger) RequestCommunityInfoFromMailserver(communityID string) error {
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if _, ok := m.requestedCommunities[communityID]; ok {
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return nil
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}
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//If filter wasn't installed we create it and remember for deinstalling after
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//response received
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filter := m.transport.FilterByChatID(communityID)
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if filter == nil {
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filters, err := m.transport.InitPublicFilters([]string{communityID})
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if err != nil {
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return fmt.Errorf("Can't install filter for community: %v", err)
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}
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if len(filters) != 1 {
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return fmt.Errorf("Unexpected amount of filters created")
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}
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filter = filters[0]
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m.requestedCommunities[communityID] = filter
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} else {
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//we don't remember filter id associated with community because it was already installed
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m.requestedCommunities[communityID] = nil
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}
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now := uint32(m.transport.GetCurrentTime() / 1000)
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monthAgo := now - (86400 * 30)
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_, err := m.RequestHistoricMessagesForFilter(context.Background(),
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monthAgo,
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now,
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nil,
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filter,
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false)
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//It is possible that we already processed last existing message for community
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//and won't get any updates, so send stored info in this case after timeout
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go func() {
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time.Sleep(15 * time.Second)
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m.mutex.Lock()
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defer m.mutex.Unlock()
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if _, ok := m.requestedCommunities[communityID]; ok {
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m.passStoredCommunityInfoToSignalHandler(communityID)
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}
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}()
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|
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return err
|
|
}
|
|
|
|
// forgetCommunityRequest removes community from requested ones and removes filter
|
|
func (m *Messenger) forgetCommunityRequest(communityID string) {
|
|
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 there is no info helpful for client, we don't post it
|
|
if community.Name() == "" && community.Description() == "" && community.MembersCount() == 0 {
|
|
return
|
|
}
|
|
|
|
if err != nil {
|
|
m.logger.Warn("cant get community and pass it to signal handler", zap.Error(err))
|
|
return
|
|
}
|
|
|
|
m.config.messengerSignalsHandler.CommunityInfoFound(community)
|
|
m.forgetCommunityRequest(communityID)
|
|
}
|