mautrix-whatsapp/database/historysync.go

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// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
// Copyright (C) 2022 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 database
import (
"database/sql"
"errors"
"fmt"
"time"
waProto "go.mau.fi/whatsmeow/binary/proto"
"google.golang.org/protobuf/proto"
_ "github.com/mattn/go-sqlite3"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix/id"
"maunium.net/go/mautrix/util/dbutil"
)
type HistorySyncQuery struct {
db *Database
log log.Logger
}
type HistorySyncConversation struct {
db *Database
log log.Logger
UserID id.UserID
ConversationID string
PortalKey *PortalKey
LastMessageTimestamp time.Time
MuteEndTime time.Time
Archived bool
Pinned uint32
DisappearingMode waProto.DisappearingMode_DisappearingModeInitiator
EndOfHistoryTransferType waProto.Conversation_ConversationEndOfHistoryTransferType
EphemeralExpiration *uint32
MarkedAsUnread bool
UnreadCount uint32
}
func (hsq *HistorySyncQuery) NewConversation() *HistorySyncConversation {
return &HistorySyncConversation{
db: hsq.db,
log: hsq.log,
PortalKey: &PortalKey{},
}
}
func (hsq *HistorySyncQuery) NewConversationWithValues(
userID id.UserID,
conversationID string,
portalKey *PortalKey,
lastMessageTimestamp,
muteEndTime uint64,
archived bool,
pinned uint32,
disappearingMode waProto.DisappearingMode_DisappearingModeInitiator,
endOfHistoryTransferType waProto.Conversation_ConversationEndOfHistoryTransferType,
ephemeralExpiration *uint32,
markedAsUnread bool,
unreadCount uint32) *HistorySyncConversation {
return &HistorySyncConversation{
db: hsq.db,
log: hsq.log,
UserID: userID,
ConversationID: conversationID,
PortalKey: portalKey,
LastMessageTimestamp: time.Unix(int64(lastMessageTimestamp), 0).UTC(),
MuteEndTime: time.Unix(int64(muteEndTime), 0).UTC(),
Archived: archived,
Pinned: pinned,
DisappearingMode: disappearingMode,
EndOfHistoryTransferType: endOfHistoryTransferType,
EphemeralExpiration: ephemeralExpiration,
MarkedAsUnread: markedAsUnread,
UnreadCount: unreadCount,
}
}
const (
getNMostRecentConversations = `
SELECT user_mxid, conversation_id, portal_jid, portal_receiver, last_message_timestamp, archived, pinned, mute_end_time, disappearing_mode, end_of_history_transfer_type, ephemeral_expiration, marked_as_unread, unread_count
FROM history_sync_conversation
WHERE user_mxid=$1
ORDER BY last_message_timestamp DESC
LIMIT $2
`
getConversationByPortal = `
SELECT user_mxid, conversation_id, portal_jid, portal_receiver, last_message_timestamp, archived, pinned, mute_end_time, disappearing_mode, end_of_history_transfer_type, ephemeral_expiration, marked_as_unread, unread_count
FROM history_sync_conversation
WHERE user_mxid=$1
AND portal_jid=$2
AND portal_receiver=$3
`
)
func (hsc *HistorySyncConversation) Upsert() {
_, err := hsc.db.Exec(`
INSERT INTO history_sync_conversation (user_mxid, conversation_id, portal_jid, portal_receiver, last_message_timestamp, archived, pinned, mute_end_time, disappearing_mode, end_of_history_transfer_type, ephemeral_expiration, marked_as_unread, unread_count)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)
ON CONFLICT (user_mxid, conversation_id)
DO UPDATE SET
last_message_timestamp=CASE
WHEN EXCLUDED.last_message_timestamp > history_sync_conversation.last_message_timestamp THEN EXCLUDED.last_message_timestamp
ELSE history_sync_conversation.last_message_timestamp
END,
end_of_history_transfer_type=EXCLUDED.end_of_history_transfer_type
`,
hsc.UserID,
hsc.ConversationID,
hsc.PortalKey.JID.String(),
hsc.PortalKey.Receiver.String(),
hsc.LastMessageTimestamp,
hsc.Archived,
hsc.Pinned,
hsc.MuteEndTime,
hsc.DisappearingMode,
hsc.EndOfHistoryTransferType,
hsc.EphemeralExpiration,
hsc.MarkedAsUnread,
hsc.UnreadCount)
if err != nil {
hsc.log.Warnfln("Failed to insert history sync conversation %s/%s: %v", hsc.UserID, hsc.ConversationID, err)
}
}
func (hsc *HistorySyncConversation) Scan(row dbutil.Scannable) *HistorySyncConversation {
err := row.Scan(
&hsc.UserID,
&hsc.ConversationID,
&hsc.PortalKey.JID,
&hsc.PortalKey.Receiver,
&hsc.LastMessageTimestamp,
&hsc.Archived,
&hsc.Pinned,
&hsc.MuteEndTime,
&hsc.DisappearingMode,
&hsc.EndOfHistoryTransferType,
&hsc.EphemeralExpiration,
&hsc.MarkedAsUnread,
&hsc.UnreadCount)
if err != nil {
if !errors.Is(err, sql.ErrNoRows) {
hsc.log.Errorln("Database scan failed:", err)
}
return nil
}
return hsc
}
func (hsq *HistorySyncQuery) GetNMostRecentConversations(userID id.UserID, n int) (conversations []*HistorySyncConversation) {
nPtr := &n
// Negative limit on SQLite means unlimited, but Postgres prefers a NULL limit.
if n < 0 && hsq.db.Dialect == dbutil.Postgres {
nPtr = nil
}
rows, err := hsq.db.Query(getNMostRecentConversations, userID, nPtr)
defer rows.Close()
if err != nil || rows == nil {
return nil
}
for rows.Next() {
conversations = append(conversations, hsq.NewConversation().Scan(rows))
}
return
}
func (hsq *HistorySyncQuery) GetConversation(userID id.UserID, portalKey *PortalKey) (conversation *HistorySyncConversation) {
rows, err := hsq.db.Query(getConversationByPortal, userID, portalKey.JID, portalKey.Receiver)
defer rows.Close()
if err != nil || rows == nil {
return nil
}
if rows.Next() {
conversation = hsq.NewConversation().Scan(rows)
}
return
}
func (hsq *HistorySyncQuery) DeleteAllConversations(userID id.UserID) {
_, err := hsq.db.Exec("DELETE FROM history_sync_conversation WHERE user_mxid=$1", userID)
if err != nil {
hsq.log.Warnfln("Failed to delete historical chat info for %s/%s: %v", userID, err)
}
}
const (
getMessagesBetween = `
SELECT data FROM history_sync_message
WHERE user_mxid=$1 AND conversation_id=$2
%s
ORDER BY timestamp DESC
%s
`
deleteMessagesBetweenExclusive = `
DELETE FROM history_sync_message
WHERE user_mxid=$1 AND conversation_id=$2 AND timestamp<$3 AND timestamp>$4
`
)
type HistorySyncMessage struct {
db *Database
log log.Logger
UserID id.UserID
ConversationID string
MessageID string
Timestamp time.Time
Data []byte
}
func (hsq *HistorySyncQuery) NewMessageWithValues(userID id.UserID, conversationID, messageID string, message *waProto.HistorySyncMsg) (*HistorySyncMessage, error) {
msgData, err := proto.Marshal(message)
if err != nil {
return nil, err
}
return &HistorySyncMessage{
db: hsq.db,
log: hsq.log,
UserID: userID,
ConversationID: conversationID,
MessageID: messageID,
Timestamp: time.Unix(int64(message.Message.GetMessageTimestamp()), 0),
Data: msgData,
}, nil
}
func (hsm *HistorySyncMessage) Insert() {
_, err := hsm.db.Exec(`
INSERT INTO history_sync_message (user_mxid, conversation_id, message_id, timestamp, data, inserted_time)
VALUES ($1, $2, $3, $4, $5, $6)
ON CONFLICT (user_mxid, conversation_id, message_id) DO NOTHING
`, hsm.UserID, hsm.ConversationID, hsm.MessageID, hsm.Timestamp, hsm.Data, time.Now())
if err != nil {
hsm.log.Warnfln("Failed to insert history sync message %s/%s: %v", hsm.ConversationID, hsm.Timestamp, err)
}
}
func (hsq *HistorySyncQuery) GetMessagesBetween(userID id.UserID, conversationID string, startTime, endTime *time.Time, limit int) (messages []*waProto.WebMessageInfo) {
whereClauses := ""
args := []interface{}{userID, conversationID}
argNum := 3
if startTime != nil {
whereClauses += fmt.Sprintf(" AND timestamp >= $%d", argNum)
args = append(args, startTime)
argNum++
}
if endTime != nil {
whereClauses += fmt.Sprintf(" AND timestamp <= $%d", argNum)
args = append(args, endTime)
}
limitClause := ""
if limit > 0 {
limitClause = fmt.Sprintf("LIMIT %d", limit)
}
rows, err := hsq.db.Query(fmt.Sprintf(getMessagesBetween, whereClauses, limitClause), args...)
defer rows.Close()
if err != nil || rows == nil {
return nil
}
var msgData []byte
for rows.Next() {
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err = rows.Scan(&msgData)
if err != nil {
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hsq.log.Errorfln("Database scan failed: %v", err)
continue
}
var historySyncMsg waProto.HistorySyncMsg
err = proto.Unmarshal(msgData, &historySyncMsg)
if err != nil {
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hsq.log.Errorfln("Failed to unmarshal history sync message: %v", err)
continue
}
messages = append(messages, historySyncMsg.Message)
}
return
}
func (hsq *HistorySyncQuery) DeleteMessages(userID id.UserID, conversationID string, messages []*waProto.WebMessageInfo) error {
newest := messages[0]
beforeTS := time.Unix(int64(newest.GetMessageTimestamp())+1, 0)
oldest := messages[len(messages)-1]
afterTS := time.Unix(int64(oldest.GetMessageTimestamp())-1, 0)
_, err := hsq.db.Exec(deleteMessagesBetweenExclusive, userID, conversationID, beforeTS, afterTS)
return err
}
func (hsq *HistorySyncQuery) DeleteAllMessages(userID id.UserID) {
_, err := hsq.db.Exec("DELETE FROM history_sync_message WHERE user_mxid=$1", userID)
if err != nil {
hsq.log.Warnfln("Failed to delete historical messages for %s: %v", userID, err)
}
}
func (hsq *HistorySyncQuery) DeleteAllMessagesForPortal(userID id.UserID, portalKey PortalKey) {
_, err := hsq.db.Exec(`
DELETE FROM history_sync_message
WHERE user_mxid=$1 AND conversation_id=$2
`, userID, portalKey.JID)
if err != nil {
hsq.log.Warnfln("Failed to delete historical messages for %s/%s: %v", userID, portalKey.JID, err)
}
}