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statestore.go
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statestore.go
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// matrix-pulsesms - A Matrix-PulseSMS puppeting bridge.
// Copyright (C) 2021 Cam Sweeney
// Copyright (C) 2020 Tulir Asokan
//
// 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"
"encoding/json"
"fmt"
"sync"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix/appservice"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
)
type SQLStateStore struct {
*appservice.TypingStateStore
db *Database
log log.Logger
Typing map[id.RoomID]map[id.UserID]int64
typingLock sync.RWMutex
}
var _ appservice.StateStore = (*SQLStateStore)(nil)
func NewSQLStateStore(db *Database) *SQLStateStore {
return &SQLStateStore{
TypingStateStore: appservice.NewTypingStateStore(),
db: db,
log: db.log.Sub("StateStore"),
}
}
func (store *SQLStateStore) IsRegistered(userID id.UserID) bool {
row := store.db.QueryRow("SELECT EXISTS(SELECT 1 FROM mx_registrations WHERE user_id=$1)", userID)
var isRegistered bool
err := row.Scan(&isRegistered)
if err != nil {
store.log.Warnfln("Failed to scan registration existence for %s: %v", userID, err)
}
return isRegistered
}
func (store *SQLStateStore) MarkRegistered(userID id.UserID) {
var err error
if store.db.dialect == "postgres" {
_, err = store.db.Exec("INSERT INTO mx_registrations (user_id) VALUES ($1) ON CONFLICT (user_id) DO NOTHING", userID)
} else if store.db.dialect == "sqlite3" {
_, err = store.db.Exec("INSERT OR REPLACE INTO mx_registrations (user_id) VALUES ($1)", userID)
} else {
err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
}
if err != nil {
store.log.Warnfln("Failed to mark %s as registered: %v", userID, err)
}
}
func (store *SQLStateStore) GetRoomMembers(roomID id.RoomID) map[id.UserID]*event.MemberEventContent {
members := make(map[id.UserID]*event.MemberEventContent)
rows, err := store.db.Query("SELECT user_id, membership, displayname, avatar_url FROM mx_user_profile WHERE room_id=$1", roomID)
if err != nil {
return members
}
var userID id.UserID
var member event.MemberEventContent
for rows.Next() {
err := rows.Scan(&userID, &member.Membership, &member.Displayname, &member.AvatarURL)
if err != nil {
store.log.Warnfln("Failed to scan member in %s: %v", roomID, err)
} else {
members[userID] = &member
}
}
return members
}
func (store *SQLStateStore) GetMembership(roomID id.RoomID, userID id.UserID) event.Membership {
row := store.db.QueryRow("SELECT membership FROM mx_user_profile WHERE room_id=$1 AND user_id=$2", roomID, userID)
membership := event.MembershipLeave
err := row.Scan(&membership)
if err != nil && err != sql.ErrNoRows {
store.log.Warnfln("Failed to scan membership of %s in %s: %v", userID, roomID, err)
}
return membership
}
func (store *SQLStateStore) GetMember(roomID id.RoomID, userID id.UserID) *event.MemberEventContent {
member, ok := store.TryGetMember(roomID, userID)
if !ok {
member.Membership = event.MembershipLeave
}
return member
}
func (store *SQLStateStore) TryGetMember(roomID id.RoomID, userID id.UserID) (*event.MemberEventContent, bool) {
row := store.db.QueryRow("SELECT membership, displayname, avatar_url FROM mx_user_profile WHERE room_id=$1 AND user_id=$2", roomID, userID)
var member event.MemberEventContent
err := row.Scan(&member.Membership, &member.Displayname, &member.AvatarURL)
if err != nil && err != sql.ErrNoRows {
store.log.Warnfln("Failed to scan member info of %s in %s: %v", userID, roomID, err)
}
return &member, err == nil
}
func (store *SQLStateStore) FindSharedRooms(userID id.UserID) (rooms []id.RoomID) {
rows, err := store.db.Query(`
SELECT room_id FROM mx_user_profile
LEFT JOIN portal ON portal.mxid=mx_user_profile.room_id
WHERE user_id=$1 AND portal.encrypted=true
`, userID)
if err != nil {
store.log.Warnfln("Failed to query shared rooms with %s: %v", userID, err)
return
}
for rows.Next() {
var roomID id.RoomID
err := rows.Scan(&roomID)
if err != nil {
store.log.Warnfln("Failed to scan room ID: %v", err)
} else {
rooms = append(rooms, roomID)
}
}
return
}
func (store *SQLStateStore) IsInRoom(roomID id.RoomID, userID id.UserID) bool {
return store.IsMembership(roomID, userID, "join")
}
func (store *SQLStateStore) IsInvited(roomID id.RoomID, userID id.UserID) bool {
return store.IsMembership(roomID, userID, "join", "invite")
}
func (store *SQLStateStore) IsMembership(roomID id.RoomID, userID id.UserID, allowedMemberships ...event.Membership) bool {
membership := store.GetMembership(roomID, userID)
for _, allowedMembership := range allowedMemberships {
if allowedMembership == membership {
return true
}
}
return false
}
func (store *SQLStateStore) SetMembership(roomID id.RoomID, userID id.UserID, membership event.Membership) {
var err error
if store.db.dialect == "postgres" {
_, err = store.db.Exec(`INSERT INTO mx_user_profile (room_id, user_id, membership) VALUES ($1, $2, $3)
ON CONFLICT (room_id, user_id) DO UPDATE SET membership=$3`, roomID, userID, membership)
} else if store.db.dialect == "sqlite3" {
_, err = store.db.Exec("INSERT OR REPLACE INTO mx_user_profile (room_id, user_id, membership) VALUES ($1, $2, $3)", roomID, userID, membership)
} else {
err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
}
if err != nil {
store.log.Warnfln("Failed to set membership of %s in %s to %s: %v", userID, roomID, membership, err)
}
}
func (store *SQLStateStore) SetMember(roomID id.RoomID, userID id.UserID, member *event.MemberEventContent) {
var err error
if store.db.dialect == "postgres" {
_, err = store.db.Exec(`INSERT INTO mx_user_profile (room_id, user_id, membership, displayname, avatar_url) VALUES ($1, $2, $3, $4, $5)
ON CONFLICT (room_id, user_id) DO UPDATE SET membership=$3`, roomID, userID, member.Membership, member.Displayname, member.AvatarURL)
} else if store.db.dialect == "sqlite3" {
_, err = store.db.Exec("INSERT OR REPLACE INTO mx_user_profile (room_id, user_id, membership, displayname, avatar_url) VALUES ($1, $2, $3, $4, $5)",
roomID, userID, member.Membership, member.Displayname, member.AvatarURL)
} else {
err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
}
if err != nil {
store.log.Warnfln("Failed to set membership of %s in %s to %s: %v", userID, roomID, member, err)
}
}
func (store *SQLStateStore) SetPowerLevels(roomID id.RoomID, levels *event.PowerLevelsEventContent) {
levelsBytes, err := json.Marshal(levels)
if err != nil {
store.log.Errorfln("Failed to marshal power levels of %s: %v", roomID, err)
return
}
if store.db.dialect == "postgres" {
_, err = store.db.Exec(`INSERT INTO mx_room_state (room_id, power_levels) VALUES ($1, $2)
ON CONFLICT (room_id) DO UPDATE SET power_levels=$2`, roomID, levelsBytes)
} else if store.db.dialect == "sqlite3" {
_, err = store.db.Exec("INSERT OR REPLACE INTO mx_room_state (room_id, power_levels) VALUES ($1, $2)", roomID, levelsBytes)
} else {
err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
}
if err != nil {
store.log.Warnfln("Failed to store power levels of %s: %v", roomID, err)
}
}
func (store *SQLStateStore) GetPowerLevels(roomID id.RoomID) (levels *event.PowerLevelsEventContent) {
row := store.db.QueryRow("SELECT power_levels FROM mx_room_state WHERE room_id=$1", roomID)
if row == nil {
return
}
var data []byte
err := row.Scan(&data)
if err != nil {
store.log.Errorln("Failed to scan power levels of %s: %v", roomID, err)
return
}
levels = &event.PowerLevelsEventContent{}
err = json.Unmarshal(data, levels)
if err != nil {
store.log.Errorln("Failed to parse power levels of %s: %v", roomID, err)
return nil
}
return
}
func (store *SQLStateStore) GetPowerLevel(roomID id.RoomID, userID id.UserID) int {
if store.db.dialect == "postgres" {
row := store.db.QueryRow(`SELECT
COALESCE((power_levels->'users'->$2)::int, (power_levels->'users_default')::int, 0)
FROM mx_room_state WHERE room_id=$1`, roomID, userID)
if row == nil {
// Power levels not in db
return 0
}
var powerLevel int
err := row.Scan(&powerLevel)
if err != nil {
store.log.Errorln("Failed to scan power level of %s in %s: %v", userID, roomID, err)
}
return powerLevel
}
return store.GetPowerLevels(roomID).GetUserLevel(userID)
}
func (store *SQLStateStore) GetPowerLevelRequirement(roomID id.RoomID, eventType event.Type) int {
if store.db.dialect == "postgres" {
defaultType := "events_default"
defaultValue := 0
if eventType.IsState() {
defaultType = "state_default"
defaultValue = 50
}
row := store.db.QueryRow(`SELECT
COALESCE((power_levels->'events'->$2)::int, (power_levels->'$3')::int, $4)
FROM mx_room_state WHERE room_id=$1`, roomID, eventType.Type, defaultType, defaultValue)
if row == nil {
// Power levels not in db
return defaultValue
}
var powerLevel int
err := row.Scan(&powerLevel)
if err != nil {
store.log.Errorln("Failed to scan power level for %s in %s: %v", eventType, roomID, err)
}
return powerLevel
}
return store.GetPowerLevels(roomID).GetEventLevel(eventType)
}
func (store *SQLStateStore) HasPowerLevel(roomID id.RoomID, userID id.UserID, eventType event.Type) bool {
if store.db.dialect == "postgres" {
defaultType := "events_default"
defaultValue := 0
if eventType.IsState() {
defaultType = "state_default"
defaultValue = 50
}
row := store.db.QueryRow(`SELECT
COALESCE((power_levels->'users'->$2)::int, (power_levels->'users_default')::int, 0)
>=
COALESCE((power_levels->'events'->$3)::int, (power_levels->'$4')::int, $5)
FROM mx_room_state WHERE room_id=$1`, roomID, userID, eventType.Type, defaultType, defaultValue)
if row == nil {
// Power levels not in db
return defaultValue == 0
}
var hasPower bool
err := row.Scan(&hasPower)
if err != nil {
store.log.Errorln("Failed to scan power level for %s in %s: %v", eventType, roomID, err)
}
return hasPower
}
return store.GetPowerLevel(roomID, userID) >= store.GetPowerLevelRequirement(roomID, eventType)
}