243 lines
8 KiB
Go
243 lines
8 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2019 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package database
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import (
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"encoding/json"
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"fmt"
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"sync"
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log "maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix-appservice"
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)
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type SQLStateStore struct {
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*appservice.TypingStateStore
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db *Database
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log log.Logger
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Typing map[string]map[string]int64
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typingLock sync.RWMutex
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}
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func NewSQLStateStore(db *Database) *SQLStateStore {
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return &SQLStateStore{
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TypingStateStore: appservice.NewTypingStateStore(),
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db: db,
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log: log.Sub("StateStore"),
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}
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}
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func (store *SQLStateStore) IsRegistered(userID string) bool {
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row := store.db.QueryRow("SELECT EXISTS(SELECT 1 FROM mx_registrations WHERE user_id=$1)", userID)
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var isRegistered bool
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err := row.Scan(&isRegistered)
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if err != nil {
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store.log.Warnfln("Failed to scan registration existence for %s: %v", userID, err)
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}
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return isRegistered
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}
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func (store *SQLStateStore) MarkRegistered(userID string) {
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var err error
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if store.db.dialect == "postgres" {
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_, err = store.db.Exec("INSERT INTO mx_registrations (user_id) VALUES ($1) ON CONFLICT (user_id) DO NOTHING", userID)
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} else if store.db.dialect == "sqlite3" {
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_, err = store.db.Exec("INSERT OR REPLACE INTO mx_registrations (user_id) VALUES ($1)", userID)
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} else {
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err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
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}
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if err != nil {
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store.log.Warnfln("Failed to mark %s as registered: %v", userID, err)
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}
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}
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func (store *SQLStateStore) GetRoomMemberships(roomID string) map[string]mautrix.Membership {
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memberships := make(map[string]mautrix.Membership)
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rows, err := store.db.Query("SELECT user_id, membership FROM mx_user_profile WHERE room_id=$1", roomID)
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if err != nil {
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return memberships
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}
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var userID string
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var membership mautrix.Membership
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for rows.Next() {
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err := rows.Scan(&userID, &membership)
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if err != nil {
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store.log.Warnfln("Failed to scan membership in %s: %v", roomID, err)
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} else {
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memberships[userID] = membership
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}
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}
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return memberships
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}
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func (store *SQLStateStore) GetMembership(roomID, userID string) mautrix.Membership {
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row := store.db.QueryRow("SELECT membership FROM mx_user_profile WHERE room_id=$1 AND user_id=$2", roomID, userID)
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membership := mautrix.MembershipLeave
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if row != nil {
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err := row.Scan(&membership)
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if err != nil {
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store.log.Warnfln("Failed to scan membership of %s in %s: %v", userID, roomID, err)
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}
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}
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return membership
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}
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func (store *SQLStateStore) IsInRoom(roomID, userID string) bool {
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return store.IsMembership(roomID, userID, "join")
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}
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func (store *SQLStateStore) IsInvited(roomID, userID string) bool {
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return store.IsMembership(roomID, userID, "join", "invite")
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}
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func (store *SQLStateStore) IsMembership(roomID, userID string, allowedMemberships ...mautrix.Membership) bool {
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membership := store.GetMembership(roomID, userID)
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for _, allowedMembership := range allowedMemberships {
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if allowedMembership == membership {
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return true
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}
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}
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return false
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}
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func (store *SQLStateStore) SetMembership(roomID, userID string, membership mautrix.Membership) {
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var err error
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if store.db.dialect == "postgres" {
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_, err = store.db.Exec(`INSERT INTO mx_user_profile (room_id, user_id, membership) VALUES ($1, $2, $3)
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ON CONFLICT (room_id, user_id) DO UPDATE SET membership=$3`, roomID, userID, membership)
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} else if store.db.dialect == "sqlite3" {
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_, err = store.db.Exec("INSERT OR REPLACE INTO mx_user_profile (room_id, user_id, membership) VALUES ($1, $2, $3)", roomID, userID, membership)
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} else {
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err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
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}
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if err != nil {
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store.log.Warnfln("Failed to set membership of %s in %s to %s: %v", userID, roomID, membership, err)
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}
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}
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func (store *SQLStateStore) SetPowerLevels(roomID string, levels *mautrix.PowerLevels) {
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levelsBytes, err := json.Marshal(levels)
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if err != nil {
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store.log.Errorfln("Failed to marshal power levels of %s: %v", roomID, err)
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return
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}
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if store.db.dialect == "postgres" {
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_, err = store.db.Exec(`INSERT INTO mx_room_state (room_id, power_levels) VALUES ($1, $2)
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ON CONFLICT (room_id) DO UPDATE SET power_levels=$2`, roomID, levelsBytes)
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} else if store.db.dialect == "sqlite3" {
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_, err = store.db.Exec("INSERT OR REPLACE INTO mx_room_state (room_id, power_levels) VALUES ($1, $2)", roomID, levelsBytes)
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} else {
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err = fmt.Errorf("unsupported dialect %s", store.db.dialect)
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}
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if err != nil {
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store.log.Warnfln("Failed to store power levels of %s: %v", roomID, err)
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}
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}
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func (store *SQLStateStore) GetPowerLevels(roomID string) (levels *mautrix.PowerLevels) {
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row := store.db.QueryRow("SELECT power_levels FROM mx_room_state WHERE room_id=$1", roomID)
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if row == nil {
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return
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}
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var data []byte
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err := row.Scan(&data)
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if err != nil {
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store.log.Errorln("Failed to scan power levels of %s: %v", roomID, err)
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return
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}
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levels = &mautrix.PowerLevels{}
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err = json.Unmarshal(data, levels)
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if err != nil {
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store.log.Errorln("Failed to parse power levels of %s: %v", roomID, err)
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return nil
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}
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return
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}
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func (store *SQLStateStore) GetPowerLevel(roomID, userID string) int {
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if store.db.dialect == "postgres" {
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row := store.db.QueryRow(`SELECT
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COALESCE((power_levels->'users'->$2)::int, (power_levels->'users_default')::int, 0)
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FROM mx_room_state WHERE room_id=$1`, roomID, userID)
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if row == nil {
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// Power levels not in db
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return 0
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}
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var powerLevel int
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err := row.Scan(&powerLevel)
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if err != nil {
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store.log.Errorln("Failed to scan power level of %s in %s: %v", userID, roomID, err)
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}
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return powerLevel
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}
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return store.GetPowerLevels(roomID).GetUserLevel(userID)
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}
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func (store *SQLStateStore) GetPowerLevelRequirement(roomID string, eventType mautrix.EventType) int {
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if store.db.dialect == "postgres" {
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defaultType := "events_default"
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defaultValue := 0
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if eventType.IsState() {
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defaultType = "state_default"
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defaultValue = 50
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}
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row := store.db.QueryRow(`SELECT
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COALESCE((power_levels->'events'->$2)::int, (power_levels->'$3')::int, $4)
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FROM mx_room_state WHERE room_id=$1`, roomID, eventType.Type, defaultType, defaultValue)
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if row == nil {
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// Power levels not in db
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return defaultValue
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}
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var powerLevel int
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err := row.Scan(&powerLevel)
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if err != nil {
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store.log.Errorln("Failed to scan power level for %s in %s: %v", eventType, roomID, err)
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}
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return powerLevel
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}
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return store.GetPowerLevels(roomID).GetEventLevel(eventType)
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}
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func (store *SQLStateStore) HasPowerLevel(roomID, userID string, eventType mautrix.EventType) bool {
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if store.db.dialect == "postgres" {
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defaultType := "events_default"
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defaultValue := 0
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if eventType.IsState() {
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defaultType = "state_default"
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defaultValue = 50
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}
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row := store.db.QueryRow(`SELECT
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COALESCE((power_levels->'users'->$2)::int, (power_levels->'users_default')::int, 0)
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>=
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COALESCE((power_levels->'events'->$3)::int, (power_levels->'$4')::int, $5)
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FROM mx_room_state WHERE room_id=$1`, roomID, userID, eventType.Type, defaultType, defaultValue)
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if row == nil {
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// Power levels not in db
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return defaultValue == 0
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}
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var hasPower bool
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err := row.Scan(&hasPower)
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if err != nil {
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store.log.Errorln("Failed to scan power level for %s in %s: %v", eventType, roomID, err)
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}
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return hasPower
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}
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return store.GetPowerLevel(roomID, userID) >= store.GetPowerLevelRequirement(roomID, eventType)
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}
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