655 lines
21 KiB
Go
655 lines
21 KiB
Go
package rpc
|
||
|
||
import (
|
||
"context"
|
||
"errors"
|
||
"strings"
|
||
|
||
"github.com/gotd/td/tg"
|
||
|
||
"telesrv/internal/domain"
|
||
)
|
||
|
||
func (r *Router) onMessagesForwardMessages(ctx context.Context, req *tg.MessagesForwardMessagesRequest) (tg.UpdatesClass, error) {
|
||
ids, randomIDs, ok := normalizeForwardMessageVectors(req.ID, req.RandomID)
|
||
if !ok {
|
||
return nil, inputRequestInvalidErr()
|
||
}
|
||
req.ID = ids
|
||
req.RandomID = randomIDs
|
||
if len(req.ID) > domain.MaxForwardMessageIDs {
|
||
return nil, limitInvalidErr()
|
||
}
|
||
if req.ScheduleRepeatPeriod != 0 {
|
||
return nil, scheduleDateInvalidErr()
|
||
}
|
||
if err := forwardMessagesUnsupportedOptionErr(req); err != nil {
|
||
return nil, err
|
||
}
|
||
topMsgID, topMsgIDSet := req.GetTopMsgID()
|
||
if !topMsgIDSet && req.TopMsgID != 0 {
|
||
topMsgID, topMsgIDSet = req.TopMsgID, true
|
||
}
|
||
if topMsgIDSet && topMsgID == -1 {
|
||
topMsgID, topMsgIDSet = 0, false
|
||
}
|
||
if topMsgIDSet && (topMsgID < 0 || topMsgID > domain.MaxMessageBoxID) {
|
||
return nil, replyMessageIDInvalidErr()
|
||
}
|
||
userID, _, err := r.currentUserID(ctx)
|
||
if err != nil {
|
||
return nil, internalErr()
|
||
}
|
||
if userID == 0 {
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
if !forwardMessageIDsValid(req.ID, req.RandomID) {
|
||
return nil, messageIDInvalidErr()
|
||
}
|
||
seenRandomIDs := make(map[int64]struct{}, len(req.RandomID))
|
||
for _, randomID := range req.RandomID {
|
||
if _, duplicate := seenRandomIDs[randomID]; duplicate {
|
||
return nil, randomIDDuplicateErr()
|
||
}
|
||
seenRandomIDs[randomID] = struct{}{}
|
||
}
|
||
toPeer, ok := r.domainPeerFromInputPeer(userID, req.ToPeer)
|
||
if !ok || toPeer.ID == 0 {
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
idempotencyFingerprints := make([][]byte, len(req.ID))
|
||
for i := range req.ID {
|
||
idempotencyFingerprints[i], err = forwardMessagesItemIdempotencyFingerprint(req, req.ID[i], req.RandomID[i])
|
||
if err != nil {
|
||
return nil, internalErr()
|
||
}
|
||
}
|
||
immediate := req.ScheduleDate == 0 || scheduleDateIsImmediate(req.ScheduleDate, int(r.clock.Now().Unix()))
|
||
replays := make([]outgoingReplayLookup, len(req.ID))
|
||
absentIndexes := make([]int, 0, len(req.ID))
|
||
if immediate {
|
||
for i := range req.ID {
|
||
replay, err := r.lookupOutgoingReplay(ctx, userID, toPeer, req.RandomID[i], idempotencyFingerprints[i])
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
replays[i] = replay
|
||
if !replay.found {
|
||
absentIndexes = append(absentIndexes, i)
|
||
}
|
||
}
|
||
} else {
|
||
for i := range req.ID {
|
||
absentIndexes = append(absentIndexes, i)
|
||
}
|
||
}
|
||
if len(absentIndexes) == 0 {
|
||
if toPeer.Type == domain.PeerTypeChannel {
|
||
results := make([]domain.SendChannelMessageResult, len(replays))
|
||
for i := range replays {
|
||
results[i] = replays[i].channel
|
||
}
|
||
return r.channelMessagesUpdatesWithPeerCache(ctx, userID, results, req.RandomID, true, nil, newViewerPeerCache(r)), nil
|
||
}
|
||
res := domain.ForwardPrivateMessagesResult{OwnerUserID: userID}
|
||
for i := range replays {
|
||
sent := replays[i].private
|
||
res.SenderMessages = append(res.SenderMessages, sent.SenderMessage)
|
||
res.RecipientMessages = append(res.RecipientMessages, sent.RecipientMessage)
|
||
res.SenderEvents = append(res.SenderEvents, sent.SenderEvent)
|
||
res.RecipientEvents = append(res.RecipientEvents, sent.RecipientEvent)
|
||
res.Duplicates = append(res.Duplicates, true)
|
||
res.ReplayDeleteEvents = append(res.ReplayDeleteEvents, sent.ReplayDeleteEvent)
|
||
}
|
||
return tgForwardMessagesUpdates(res, req.RandomID, r.usersForMessageUpdates(ctx, userID, res.SenderMessages), r.chatsForMessageUpdates(ctx, userID, res.SenderMessages)), nil
|
||
}
|
||
if err := r.checkSendRateLimit(ctx, userID, len(absentIndexes)); err != nil {
|
||
return nil, err
|
||
}
|
||
toPeer, err = r.checkedDomainPeerFromInputPeer(ctx, userID, req.ToPeer)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
absentIDs := make([]int, len(absentIndexes))
|
||
absentRandomIDs := make([]int64, len(absentIndexes))
|
||
for i, originalIndex := range absentIndexes {
|
||
absentIDs[i] = req.ID[originalIndex]
|
||
absentRandomIDs[i] = req.RandomID[originalIndex]
|
||
}
|
||
fromPeer, preloadedSources, err := r.forwardFromPeerAndSources(ctx, userID, req.FromPeer, absentIDs, absentRandomIDs)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
sendAs, err := r.resolveSendAsPeer(ctx, userID, toPeer, req.SendAs)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
replyTo, err := r.messageReplyFromInput(ctx, userID, toPeer, req.ReplyTo)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
replyTo, err = mergeForwardTopMsgID(toPeer, replyTo, topMsgID, topMsgIDSet)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
if r.deps.Users != nil {
|
||
for _, peer := range []domain.Peer{fromPeer, toPeer} {
|
||
if peer.Type != domain.PeerTypeUser || peer.ID == userID {
|
||
continue
|
||
}
|
||
if _, found, err := r.deps.Users.ByID(ctx, userID, peer.ID); err != nil {
|
||
return nil, internalErr()
|
||
} else if !found {
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
}
|
||
}
|
||
if req.ScheduleDate != 0 && !scheduleDateIsImmediate(req.ScheduleDate, int(r.clock.Now().Unix())) {
|
||
return r.scheduleForwardMessages(ctx, userID, fromPeer, toPeer, req, replyTo, sendAs, preloadedSources)
|
||
}
|
||
absentSources, err := r.forwardSourcesForRequest(ctx, userID, fromPeer, absentIDs, preloadedSources)
|
||
if err != nil {
|
||
return nil, messageForwardErr(err)
|
||
}
|
||
sources := make([]forwardSource, len(req.ID))
|
||
for i, originalIndex := range absentIndexes {
|
||
sources[originalIndex] = absentSources[i]
|
||
}
|
||
if toPeer.Type == domain.PeerTypeChannel {
|
||
if r.deps.Channels == nil {
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
recipients := make([]int64, 0)
|
||
results := make([]domain.SendChannelMessageResult, 0, len(sources))
|
||
extraUserIDs := make([]int64, 0, len(sources))
|
||
fanoutResults := make([]domain.SendChannelMessageResult, 0, len(sources))
|
||
fanoutExtraUserIDs := make([]int64, 0, len(sources))
|
||
for i, source := range sources {
|
||
if replays[i].found {
|
||
results = append(results, replays[i].channel)
|
||
continue
|
||
}
|
||
forward := source.forward
|
||
if req.DropAuthor {
|
||
forward = nil
|
||
}
|
||
mentionUserIDs := r.mentionUserIDsFromDomain(ctx, userID, source.body, source.entities)
|
||
res, err := r.deps.Channels.SendMessage(ctx, userID, domain.SendChannelMessageRequest{
|
||
UserID: userID,
|
||
ChannelID: toPeer.ID,
|
||
RandomID: req.RandomID[i],
|
||
IdempotencyFingerprint: idempotencyFingerprints[i],
|
||
IdempotencyPreflighted: replays[i].checked,
|
||
Message: source.body,
|
||
Entities: source.entities,
|
||
Media: source.media,
|
||
MentionUserIDs: mentionUserIDs,
|
||
Silent: req.Silent,
|
||
NoForwards: req.Noforwards,
|
||
ReplyTo: replyTo,
|
||
Forward: forward,
|
||
SendAs: sendAs,
|
||
Date: int(r.clock.Now().Unix()),
|
||
})
|
||
if err != nil {
|
||
return nil, channelInvalidErr(err)
|
||
}
|
||
results = append(results, res)
|
||
sourceUserID := source.userID()
|
||
if sourceUserID != 0 {
|
||
extraUserIDs = append(extraUserIDs, sourceUserID)
|
||
}
|
||
// An exact random_id replay must still appear in the caller's echo, but it must not
|
||
// emit the old channel pts as a fresh realtime payload/Bot API update/discussion push.
|
||
// Mixed batches therefore fan out only newly committed results while preserving the
|
||
// complete result vector for TDesktop's random_id -> message-id reconciliation.
|
||
if res.Duplicate {
|
||
continue
|
||
}
|
||
fanoutResults = append(fanoutResults, res)
|
||
if sourceUserID != 0 {
|
||
fanoutExtraUserIDs = append(fanoutExtraUserIDs, sourceUserID)
|
||
}
|
||
// 收件人是该频道的活跃成员集，对本次转发的每条源都相同；只取一次，
|
||
// 避免一次转发 ≤100 条到 N 成员大群时把 recipients 累积成 ~100×N 条目
|
||
// 的巨大临时切片（N=10^5 时约千万级）。
|
||
if len(recipients) == 0 {
|
||
recipients = res.Recipients
|
||
}
|
||
}
|
||
// echo 与 fan-out 用各自独立 cache（RPC vs worker goroutine 防竞态）。多条转发汇成
|
||
// 一个 fan-out job（channelMessagesUpdatesWithPeerCache 内含多条 UpdateNewChannelMessage），
|
||
// 由同 channel 分片 FIFO 原子投递。
|
||
echoCache := newViewerPeerCache(r)
|
||
updates := r.channelMessagesUpdatesWithPeerCache(ctx, userID, results, req.RandomID, true, extraUserIDs, echoCache)
|
||
if n := len(fanoutResults); n > 0 {
|
||
fanoutPts := fanoutResults[n-1].Event.Pts
|
||
r.enqueueChannelMessagesFanout(ctx, userID, toPeer.ID, fanoutPts, recipients, fanoutResults, fanoutExtraUserIDs)
|
||
}
|
||
for _, res := range fanoutResults {
|
||
r.pushChannelDiscussionUpdate(ctx, userID, res.Discussion)
|
||
}
|
||
return updates, nil
|
||
}
|
||
if toPeer.Type == domain.PeerTypeUser {
|
||
if r.deps.Messages == nil {
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
recipientBlocked, err := r.peerBlocksUser(ctx, userID, toPeer.ID)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
sessionID, _ := SessionIDFrom(ctx)
|
||
authKeyID := rawAuthKeyIDForOrigin(ctx)
|
||
res := domain.ForwardPrivateMessagesResult{OwnerUserID: userID}
|
||
for i, source := range sources {
|
||
if replays[i].found {
|
||
sent := replays[i].private
|
||
res.SenderMessages = append(res.SenderMessages, sent.SenderMessage)
|
||
res.RecipientMessages = append(res.RecipientMessages, sent.RecipientMessage)
|
||
res.SenderEvents = append(res.SenderEvents, sent.SenderEvent)
|
||
res.RecipientEvents = append(res.RecipientEvents, sent.RecipientEvent)
|
||
res.Duplicates = append(res.Duplicates, true)
|
||
res.ReplayDeleteEvents = append(res.ReplayDeleteEvents, sent.ReplayDeleteEvent)
|
||
continue
|
||
}
|
||
forward := source.forward
|
||
if req.DropAuthor {
|
||
forward = nil
|
||
}
|
||
if forward != nil && toPeer.ID == userID {
|
||
saved := *forward
|
||
saved.SavedFrom = fromPeer
|
||
saved.SavedFromMsgID = req.ID[i]
|
||
forward = &saved
|
||
}
|
||
sent, err := r.deps.Messages.SendPrivateText(ctx, userID, domain.SendPrivateTextRequest{
|
||
SenderUserID: userID,
|
||
RecipientUserID: toPeer.ID,
|
||
RandomID: req.RandomID[i],
|
||
Message: source.body,
|
||
Entities: source.entities,
|
||
Media: source.media,
|
||
Silent: req.Silent,
|
||
NoForwards: req.Noforwards,
|
||
ReplyTo: replyTo,
|
||
Forward: forward,
|
||
Date: int(r.clock.Now().Unix()),
|
||
OriginAuthKeyID: authKeyID,
|
||
OriginSessionID: sessionID,
|
||
RecipientBlocked: recipientBlocked,
|
||
IdempotencyFingerprint: idempotencyFingerprints[i],
|
||
IdempotencyPreflighted: replays[i].checked,
|
||
})
|
||
if err != nil {
|
||
return nil, messageForwardErr(err)
|
||
}
|
||
if !sent.Duplicate {
|
||
r.enqueueBotAPIPrivateMessageUpdateAsync(ctx, sent)
|
||
}
|
||
res.SenderMessages = append(res.SenderMessages, sent.SenderMessage)
|
||
res.RecipientMessages = append(res.RecipientMessages, sent.RecipientMessage)
|
||
res.SenderEvents = append(res.SenderEvents, sent.SenderEvent)
|
||
res.RecipientEvents = append(res.RecipientEvents, sent.RecipientEvent)
|
||
res.Duplicates = append(res.Duplicates, sent.Duplicate)
|
||
res.ReplayDeleteEvents = append(res.ReplayDeleteEvents, sent.ReplayDeleteEvent)
|
||
}
|
||
return tgForwardMessagesUpdates(res, req.RandomID, r.usersForMessageUpdates(ctx, userID, res.SenderMessages), r.chatsForMessageUpdates(ctx, userID, res.SenderMessages)), nil
|
||
}
|
||
return nil, peerIDInvalidErr()
|
||
}
|
||
|
||
func normalizeForwardMessageVectors(ids []int, randomIDs []int64) ([]int, []int64, bool) {
|
||
if len(ids) == 0 || len(randomIDs) == 0 {
|
||
return nil, nil, false
|
||
}
|
||
if len(ids) == len(randomIDs) {
|
||
return ids, randomIDs, true
|
||
}
|
||
if len(ids) < len(randomIDs) {
|
||
return nil, nil, false
|
||
}
|
||
compact := make([]int, 0, len(randomIDs))
|
||
runLength := 0
|
||
for i, id := range ids {
|
||
if i == 0 || id != ids[i-1] {
|
||
compact = append(compact, id)
|
||
runLength = 1
|
||
continue
|
||
}
|
||
runLength++
|
||
if runLength > 2 {
|
||
return nil, nil, false
|
||
}
|
||
}
|
||
if len(compact) != len(randomIDs) {
|
||
return nil, nil, false
|
||
}
|
||
return compact, randomIDs, true
|
||
}
|
||
|
||
func (r *Router) forwardFromPeerAndSources(ctx context.Context, userID int64, input tg.InputPeerClass, ids []int, randomIDs []int64) (domain.Peer, []forwardSource, error) {
|
||
if forwardFromPeerIsEmpty(input) {
|
||
if !forwardMessageIDsValid(ids, randomIDs) {
|
||
return domain.Peer{}, nil, messageIDInvalidErr()
|
||
}
|
||
fromPeer, sources, err := r.forwardSourcesFromEmptyPeer(ctx, userID, ids)
|
||
if err != nil {
|
||
return domain.Peer{}, nil, messageForwardErr(err)
|
||
}
|
||
return fromPeer, sources, nil
|
||
}
|
||
fromPeer, err := r.checkedDomainPeerFromInputPeer(ctx, userID, input)
|
||
return fromPeer, nil, err
|
||
}
|
||
|
||
func forwardMessageIDsValid(ids []int, randomIDs []int64) bool {
|
||
if len(ids) == 0 || len(ids) != len(randomIDs) {
|
||
return false
|
||
}
|
||
for i, id := range ids {
|
||
if id <= 0 || id > domain.MaxMessageBoxID || randomIDs[i] == 0 {
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
}
|
||
|
||
func forwardFromPeerIsEmpty(peer tg.InputPeerClass) bool {
|
||
if inputPeerClassNil(peer) {
|
||
return false
|
||
}
|
||
_, ok := peer.(*tg.InputPeerEmpty)
|
||
return ok
|
||
}
|
||
|
||
func (r *Router) forwardSourcesFromEmptyPeer(ctx context.Context, userID int64, ids []int) (domain.Peer, []forwardSource, error) {
|
||
if r.deps.Messages == nil {
|
||
return domain.Peer{}, nil, domain.ErrMessageIDInvalid
|
||
}
|
||
list, err := r.deps.Messages.GetMessages(ctx, userID, ids)
|
||
if err != nil {
|
||
return domain.Peer{}, nil, domain.ErrMessageIDInvalid
|
||
}
|
||
var fromPeer domain.Peer
|
||
byID := make(map[int]domain.Message, len(list.Messages))
|
||
for _, msg := range list.Messages {
|
||
byID[msg.ID] = msg
|
||
}
|
||
for _, id := range ids {
|
||
msg, ok := byID[id]
|
||
if !ok || msg.Peer.Type != domain.PeerTypeUser || msg.Peer.ID == 0 {
|
||
return domain.Peer{}, nil, domain.ErrMessageIDInvalid
|
||
}
|
||
if fromPeer.ID == 0 {
|
||
fromPeer = msg.Peer
|
||
continue
|
||
}
|
||
if msg.Peer != fromPeer {
|
||
return domain.Peer{}, nil, domain.ErrMessageIDInvalid
|
||
}
|
||
}
|
||
sources, err := r.forwardSourcesFromPrivateMessages(ctx, userID, fromPeer, ids, list.Messages)
|
||
if err != nil {
|
||
return domain.Peer{}, nil, err
|
||
}
|
||
return fromPeer, sources, nil
|
||
}
|
||
|
||
func (r *Router) forwardSourcesForRequest(ctx context.Context, userID int64, fromPeer domain.Peer, ids []int, preloaded []forwardSource) ([]forwardSource, error) {
|
||
if preloaded != nil {
|
||
return preloaded, nil
|
||
}
|
||
return r.forwardSources(ctx, userID, fromPeer, ids)
|
||
}
|
||
|
||
func mergeForwardTopMsgID(toPeer domain.Peer, replyTo *domain.MessageReply, topMsgID int, topMsgIDSet bool) (*domain.MessageReply, error) {
|
||
if !topMsgIDSet || topMsgID == 0 {
|
||
return replyTo, nil
|
||
}
|
||
if topMsgID < 0 || topMsgID > domain.MaxMessageBoxID || toPeer.Type != domain.PeerTypeChannel {
|
||
return nil, replyMessageIDInvalidErr()
|
||
}
|
||
if replyTo == nil {
|
||
return &domain.MessageReply{
|
||
Peer: toPeer,
|
||
TopMessageID: topMsgID,
|
||
ForumTopic: true,
|
||
}, nil
|
||
}
|
||
if replyTo.Peer.ID != 0 && replyTo.Peer != toPeer {
|
||
return nil, replyMessageIDInvalidErr()
|
||
}
|
||
if replyTo.TopMessageID != 0 && replyTo.TopMessageID != topMsgID {
|
||
return nil, replyMessageIDInvalidErr()
|
||
}
|
||
merged := *replyTo
|
||
merged.Peer = toPeer
|
||
merged.TopMessageID = topMsgID
|
||
merged.QuoteEntities = append([]domain.MessageEntity(nil), replyTo.QuoteEntities...)
|
||
if merged.MessageID == 0 {
|
||
merged.ForumTopic = true
|
||
}
|
||
return &merged, nil
|
||
}
|
||
|
||
func (r *Router) forwardSources(ctx context.Context, userID int64, fromPeer domain.Peer, ids []int) ([]forwardSource, error) {
|
||
out := make([]forwardSource, 0, len(ids))
|
||
switch fromPeer.Type {
|
||
case domain.PeerTypeUser:
|
||
if r.deps.Messages == nil {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
list, err := r.deps.Messages.GetMessages(ctx, userID, ids)
|
||
if err != nil {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
sources, err := r.forwardSourcesFromPrivateMessages(ctx, userID, fromPeer, ids, list.Messages)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
out = append(out, sources...)
|
||
case domain.PeerTypeChannel:
|
||
if r.deps.Channels == nil {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
history, err := r.deps.Channels.GetMessages(ctx, userID, fromPeer.ID, ids)
|
||
if err != nil {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
byID := make(map[int]domain.ChannelMessage, len(history.Messages))
|
||
for _, msg := range history.Messages {
|
||
byID[msg.ID] = msg
|
||
}
|
||
for _, id := range ids {
|
||
msg, ok := byID[id]
|
||
if !ok {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
if msg.NoForwards || history.Channel.NoForwards {
|
||
return nil, domain.ErrChatForwardsRestricted
|
||
}
|
||
if msg.Action != nil || (msg.Body == "" && msg.Media.IsZero()) {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
forward := cloneDomainMessageForward(msg.Forward)
|
||
from := msg.From
|
||
if from.ID == 0 && msg.SenderUserID != 0 {
|
||
from = domain.Peer{Type: domain.PeerTypeUser, ID: msg.SenderUserID}
|
||
}
|
||
if msg.Post {
|
||
from = domain.Peer{Type: domain.PeerTypeChannel, ID: msg.ChannelID}
|
||
}
|
||
if forward == nil {
|
||
forward = &domain.MessageForward{From: from, Date: msg.Date}
|
||
if from.Type == domain.PeerTypeChannel {
|
||
forward.ChannelPost = msg.ID
|
||
}
|
||
r.applyForwardAuthorPrivacy(ctx, userID, forward)
|
||
}
|
||
out = append(out, forwardSource{
|
||
body: msg.Body,
|
||
entities: append([]domain.MessageEntity(nil),
|
||
msg.Entities...),
|
||
media: msg.Media,
|
||
forward: forward,
|
||
from: from,
|
||
date: msg.Date,
|
||
})
|
||
}
|
||
default:
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
return out, nil
|
||
}
|
||
|
||
func (r *Router) forwardSourcesFromPrivateMessages(ctx context.Context, userID int64, fromPeer domain.Peer, ids []int, messages []domain.Message) ([]forwardSource, error) {
|
||
if fromPeer.Type != domain.PeerTypeUser || fromPeer.ID == 0 {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
byID := make(map[int]domain.Message, len(messages))
|
||
for _, msg := range messages {
|
||
byID[msg.ID] = msg
|
||
}
|
||
out := make([]forwardSource, 0, len(ids))
|
||
for _, id := range ids {
|
||
msg, ok := byID[id]
|
||
if !ok {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
if msg.Peer != fromPeer {
|
||
return nil, domain.ErrMessageIDInvalid
|
||
}
|
||
if msg.NoForwards {
|
||
return nil, domain.ErrChatForwardsRestricted
|
||
}
|
||
forward := cloneDomainMessageForward(msg.Forward)
|
||
if forward == nil {
|
||
forward = &domain.MessageForward{From: msg.From, Date: msg.Date}
|
||
r.applyForwardAuthorPrivacy(ctx, userID, forward)
|
||
}
|
||
out = append(out, forwardSource{
|
||
body: msg.Body,
|
||
entities: append([]domain.MessageEntity(nil),
|
||
msg.Entities...),
|
||
media: msg.Media,
|
||
forward: forward,
|
||
from: msg.From,
|
||
date: msg.Date,
|
||
})
|
||
}
|
||
return out, nil
|
||
}
|
||
|
||
func cloneDomainMessageForward(in *domain.MessageForward) *domain.MessageForward {
|
||
if in == nil {
|
||
return nil
|
||
}
|
||
out := *in
|
||
return &out
|
||
}
|
||
|
||
func (r *Router) forwardAuthorDisplayName(ctx context.Context, viewerUserID, authorUserID int64) string {
|
||
name := ""
|
||
if r.deps.Users != nil {
|
||
if author, found, err := r.deps.Users.ByID(ctx, viewerUserID, authorUserID); err == nil && found {
|
||
name = strings.TrimSpace(strings.TrimSpace(author.FirstName) + " " + strings.TrimSpace(author.LastName))
|
||
}
|
||
}
|
||
if name == "" {
|
||
name = "Deleted Account"
|
||
}
|
||
return name
|
||
}
|
||
|
||
// applyForwardAuthorPrivacy 在首次生成 forward header 时按原作者的
|
||
// forwards 隐私规则降级：不允许链接回账号时只保留展示名 from_name。
|
||
// 已有 header 的再转发沿用原 header，不重新评估。
|
||
func (r *Router) applyForwardAuthorPrivacy(ctx context.Context, forwarderUserID int64, forward *domain.MessageForward) {
|
||
if forward == nil || forward.From.Type != domain.PeerTypeUser || forward.From.ID == 0 || forward.FromName != "" {
|
||
return
|
||
}
|
||
if forward.From.ID == forwarderUserID || r.deps.Privacy == nil {
|
||
return
|
||
}
|
||
allowed, err := r.deps.Privacy.CanSee(ctx, forward.From.ID, forwarderUserID, domain.PrivacyKeyForwards)
|
||
if err != nil || allowed {
|
||
return
|
||
}
|
||
name := r.forwardAuthorDisplayName(ctx, forwarderUserID, forward.From.ID)
|
||
forward.From = domain.Peer{}
|
||
forward.FromName = name
|
||
}
|
||
|
||
func messageForwardErr(err error) error {
|
||
switch {
|
||
case errors.Is(err, domain.ErrMessageIDInvalid):
|
||
return messageIDInvalidErr()
|
||
case errors.Is(err, domain.ErrChatForwardsRestricted):
|
||
return chatForwardsRestrictedErr()
|
||
case errors.Is(err, domain.ErrReplyMessageIDInvalid):
|
||
return replyMessageIDInvalidErr()
|
||
case errors.Is(err, domain.ErrMessageRandomIDDuplicate):
|
||
return randomIDDuplicateErr()
|
||
default:
|
||
return internalErr()
|
||
}
|
||
}
|
||
|
||
func tgForwardMessagesUpdates(res domain.ForwardPrivateMessagesResult, randomIDs []int64, users []tg.UserClass, chats []tg.ChatClass) *tg.Updates {
|
||
updates := make([]tg.UpdateClass, 0, len(res.SenderMessages)*2)
|
||
date := 0
|
||
for i, msg := range res.SenderMessages {
|
||
randomID := int64(0)
|
||
if i < len(randomIDs) {
|
||
randomID = randomIDs[i]
|
||
}
|
||
updates = append(updates, &tg.UpdateMessageID{ID: msg.ID, RandomID: randomID})
|
||
event := domain.UpdateEvent{}
|
||
if i < len(res.SenderEvents) {
|
||
event = res.SenderEvents[i]
|
||
}
|
||
item := tgMessage(msg)
|
||
if item == nil {
|
||
item = &tg.MessageEmpty{ID: msg.ID}
|
||
}
|
||
pts := event.Pts
|
||
if pts == 0 {
|
||
pts = msg.Pts
|
||
}
|
||
ptsCount := event.PtsCount
|
||
if ptsCount == 0 {
|
||
ptsCount = 1
|
||
}
|
||
updates = append(updates, &tg.UpdateNewMessage{
|
||
Message: item,
|
||
Pts: pts,
|
||
PtsCount: ptsCount,
|
||
})
|
||
if i < len(res.ReplayDeleteEvents) {
|
||
if deleted := res.ReplayDeleteEvents[i]; deleted != nil && deleted.Pts > 0 && len(deleted.MessageIDs) > 0 {
|
||
updates = append(updates, &tg.UpdateDeleteMessages{
|
||
Messages: append([]int(nil), deleted.MessageIDs...),
|
||
Pts: deleted.Pts,
|
||
PtsCount: deleted.PtsCount,
|
||
})
|
||
if deleted.Date > date {
|
||
date = deleted.Date
|
||
}
|
||
}
|
||
}
|
||
if date == 0 {
|
||
date = event.Date
|
||
}
|
||
if date == 0 {
|
||
date = msg.Date
|
||
}
|
||
}
|
||
return &tg.Updates{
|
||
Updates: updates,
|
||
Users: users,
|
||
Chats: chats,
|
||
Date: date,
|
||
Seq: 0,
|
||
}
|
||
}
|