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Signed-off-by: Sumner Evans <sumner@beeper.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| // mautrix-imessage - A Matrix-iMessage puppeting bridge. | ||
| // Copyright (C) 2023 Tulir Asokan, Sumner Evans | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| log "maunium.net/go/maulogger/v2" | ||
| "maunium.net/go/mautrix" | ||
| "maunium.net/go/mautrix/id" | ||
| "maunium.net/go/mautrix/util/dbutil" | ||
|
|
||
| "go.mau.fi/mautrix-imessage/database" | ||
| "go.mau.fi/mautrix-imessage/imessage" | ||
| ) | ||
|
|
||
| type BackfillQueue struct { | ||
| BackfillQuery *database.BackfillQuery | ||
| reCheckChannels []chan bool | ||
| log log.Logger | ||
| } | ||
|
|
||
| func (bq *BackfillQueue) ReCheck() { | ||
| bq.log.Infofln("Sending re-checks to %d channels", len(bq.reCheckChannels)) | ||
| for _, channel := range bq.reCheckChannels { | ||
| go func(c chan bool) { | ||
| c <- true | ||
| }(channel) | ||
| } | ||
| } | ||
|
|
||
| func (bq *BackfillQueue) GetNextBackfill(userID id.UserID, reCheckChannel chan bool) *database.Backfill { | ||
| for { | ||
| if backfill := bq.BackfillQuery.GetNext(userID); backfill != nil { | ||
| backfill.MarkDispatched() | ||
| return backfill | ||
| } | ||
|
|
||
| select { | ||
| case <-reCheckChannel: | ||
| case <-time.After(time.Minute): | ||
| } | ||
| } | ||
| } | ||
|
|
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| func (user *User) HandleBackfillRequestsLoop() { | ||
| reCheckChannel := make(chan bool) | ||
| user.BackfillQueue.reCheckChannels = append(user.BackfillQueue.reCheckChannels, reCheckChannel) | ||
|
|
||
| for { | ||
| user.log.Infofln("Getting backfill request") | ||
| req := user.BackfillQueue.GetNextBackfill(user.MXID, reCheckChannel) | ||
| user.log.Infofln("Handling backfill request %s", req) | ||
|
|
||
| portal := user.bridge.GetPortalByGUID(req.PortalGUID) | ||
| user.backfillInChunks(req, portal) | ||
| req.MarkDone() | ||
| } | ||
| } | ||
|
|
||
| func (user *User) EnqueueImmediateBackfill(txn dbutil.Execable, priority int, portal *Portal, earliestBridgedTimestamp time.Time) { | ||
| maxMessages := user.bridge.Config.Bridge.Backfill.Immediate.MaxEvents | ||
| initialBackfill := user.bridge.DB.Backfill.NewWithValues(user.MXID, priority, portal.GUID, nil, &earliestBridgedTimestamp, maxMessages, maxMessages, 0) | ||
| initialBackfill.Insert(txn) | ||
| } | ||
|
|
||
| func (user *User) EnqueueDeferredBackfills(txn dbutil.Execable, portals []*Portal, startIdx int) { | ||
| now := time.Now() | ||
| numPortals := len(portals) | ||
| for stageIdx, backfillStage := range user.bridge.Config.Bridge.Backfill.Deferred { | ||
| for portalIdx, portal := range portals { | ||
| var startDate *time.Time = nil | ||
| if backfillStage.StartDaysAgo > 0 { | ||
| startDaysAgo := now.AddDate(0, 0, -backfillStage.StartDaysAgo) | ||
| startDate = &startDaysAgo | ||
| } | ||
| backfillMessages := user.bridge.DB.Backfill.NewWithValues( | ||
| user.MXID, startIdx+stageIdx*numPortals+portalIdx, portal.GUID, startDate, nil, backfillStage.MaxBatchEvents, -1, backfillStage.BatchDelay) | ||
| backfillMessages.Insert(txn) | ||
| } | ||
| } | ||
| } | ||
|
|
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| func (user *User) runOnlyBackfillMode() { | ||
| log := user.bridge.ZLog.With().Str("mode", "backfill_only").Logger() | ||
| ctx := log.WithContext(context.Background()) | ||
|
|
||
| err := user.bridge.Crypto.ShareOneTimeKeys(context.Background()) | ||
| if err != nil { | ||
| // TODO do something more intelligent here | ||
| log.Fatal().Err(err).Msg("Error sharing keys") | ||
| } | ||
|
|
||
| if !user.bridge.SpecVersions.Supports(mautrix.BeeperFeatureBatchSending) { | ||
| log.Fatal().Msg("The homeserver does not support Beeper's batch send endpoint, are you sure you connected to the correct endpoint?") | ||
| } | ||
|
|
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| // TODO exit with a specific code if there's nothing more to backfill | ||
|
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| // Start the backfill queue | ||
| user.handleHistorySyncsLoop() | ||
|
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| if count, err := user.bridge.DB.Backfill.Count(ctx); err != nil { | ||
| log.Fatal().Err(err).Msg("Error retrieving backfill queue count") | ||
| } else if count > 0 { | ||
| // If there are already items in the backfill queue, then we just need to | ||
| // run the backfill queue. | ||
| return | ||
| } | ||
|
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||
| // Get every chat from the database | ||
| chats, err := user.bridge.IM.GetChatsWithMessagesAfter(imessage.AppleEpoch) | ||
| if err != nil { | ||
| log.Fatal().Err(err).Msg("Error retrieving all chats") | ||
| } | ||
|
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||
| chatGUIDs := make([]string, len(chats)) | ||
| chatInfos := make([]*imessage.ChatInfo, len(chats)) | ||
| for i, chat := range chats { | ||
| chatGUIDs[i] = chat.ChatGUID | ||
| chatInfos[i], err = user.bridge.IM.GetChatInfo(chat.ChatGUID, chat.ThreadID) | ||
| if err != nil { | ||
| log.Fatal().Err(err).Str("chat_guid", chat.ChatGUID).Msg("Error getting chat info from database") | ||
| } | ||
| chatInfos[i].JSONChatGUID = chatInfos[i].Identifier.String() | ||
| } | ||
|
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||
| // Ask the cloud bridge to create room IDs for every one of the chats. | ||
| client := user.CustomIntent().Client | ||
| url := client.BuildURL(mautrix.BaseURLPath{ | ||
| "_matrix", "asmux", "mxauth", "appservice", user.MXID.Localpart(), "imessagecloud", | ||
| "exec", "create_rooms_for_backfill"}) | ||
| _, err = client.MakeRequest("POST", url, NewRoomBackfillRequest{ | ||
| Chats: chatInfos, | ||
| }, nil) | ||
| if err != nil { | ||
| log.Fatal().Err(err).Msg("Error starting creation of backfill rooms") | ||
| } | ||
|
|
||
| // Wait for the rooms to be created. | ||
| var resp RoomInfoForBackfillResponse | ||
| for { | ||
| url = client.BuildURL(mautrix.BaseURLPath{ | ||
| "_matrix", "asmux", "mxauth", "appservice", user.MXID.Localpart(), "imessagecloud", | ||
| "exec", "get_room_info_for_backfill"}) | ||
| _, err = client.MakeRequest("POST", url, RoomInfoForBackfillRequest{ | ||
| ChatGUIDs: chatGUIDs, | ||
| }, &resp) | ||
| if err != nil { | ||
| // TODO do something more intelligent here | ||
| log.Fatal().Err(err).Msg("Error requesting backfill room info") | ||
| } | ||
|
|
||
| if resp.Status == RoomCreationForBackfillStatusDone { | ||
| break | ||
| } else if resp.Status == RoomCreationForBackfillStatusError { | ||
| // TODO do something more intelligent here | ||
| log.Fatal().Str("error", resp.Error).Msg("Error requesting backfill room IDs") | ||
| } else if resp.Status == RoomCreationForBackfillStatusInProgress { | ||
| log.Info().Msg("Backfill room creation still in progress, waiting 5 seconds") | ||
| time.Sleep(5 * time.Second) | ||
| } else { | ||
| // TODO do something more intelligent here | ||
| log.Fatal().Err(err).Str("status", string(resp.Status)).Msg("Unknown status") | ||
| } | ||
| } | ||
|
|
||
| // Create all of the portals locally and enqueue backfill requests for | ||
| // all of them. | ||
| portals := []*Portal{} | ||
| txn, err := user.bridge.DB.Begin() | ||
| { | ||
| var i int | ||
| for guid, roomInfo := range resp.Rooms { | ||
| portal := user.bridge.GetPortalByGUIDWithTransaction(txn, guid) | ||
| portal.MXID = roomInfo.RoomID | ||
| portal.Update(txn) | ||
| portals = append(portals, portal) | ||
| user.EnqueueImmediateBackfill(txn, i, portal, time.UnixMilli(roomInfo.EarliestBridgedTimestamp)) | ||
| i++ | ||
| } | ||
| user.EnqueueDeferredBackfills(txn, portals, i) | ||
| } | ||
| if err = txn.Commit(); err != nil { | ||
| // TODO do something intelligent here | ||
| log.Fatal().Err(err).Msg("Error committing backfill room IDs") | ||
| } | ||
|
|
||
| return | ||
| } |
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