250 lines
6.9 KiB
Go
250 lines
6.9 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2020 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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"database/sql"
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"fmt"
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"strings"
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"time"
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"github.com/Rhymen/go-whatsapp"
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log "maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix-whatsapp/types"
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"maunium.net/go/mautrix-whatsapp/whatsapp-ext"
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"maunium.net/go/mautrix/id"
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)
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type UserQuery struct {
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db *Database
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log log.Logger
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}
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func (uq *UserQuery) New() *User {
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return &User{
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db: uq.db,
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log: uq.log,
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}
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}
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func (uq *UserQuery) GetAll() (users []*User) {
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rows, err := uq.db.Query(`SELECT mxid, jid, management_room, last_connection, client_id, client_token, server_token, enc_key, mac_key FROM "user"`)
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if err != nil || rows == nil {
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return nil
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}
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defer rows.Close()
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for rows.Next() {
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users = append(users, uq.New().Scan(rows))
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}
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return
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}
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func (uq *UserQuery) GetByMXID(userID id.UserID) *User {
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row := uq.db.QueryRow(`SELECT mxid, jid, management_room, last_connection, client_id, client_token, server_token, enc_key, mac_key FROM "user" WHERE mxid=$1`, userID)
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if row == nil {
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return nil
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}
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return uq.New().Scan(row)
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}
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func (uq *UserQuery) GetByJID(userID types.WhatsAppID) *User {
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row := uq.db.QueryRow(`SELECT mxid, jid, management_room, last_connection, client_id, client_token, server_token, enc_key, mac_key FROM "user" WHERE jid=$1`, stripSuffix(userID))
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if row == nil {
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return nil
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}
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return uq.New().Scan(row)
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}
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type User struct {
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db *Database
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log log.Logger
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MXID id.UserID
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JID types.WhatsAppID
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ManagementRoom id.RoomID
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Session *whatsapp.Session
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LastConnection uint64
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}
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func (user *User) Scan(row Scannable) *User {
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var jid, clientID, clientToken, serverToken sql.NullString
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var encKey, macKey []byte
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err := row.Scan(&user.MXID, &jid, &user.ManagementRoom, &user.LastConnection, &clientID, &clientToken, &serverToken, &encKey, &macKey)
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if err != nil {
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if err != sql.ErrNoRows {
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user.log.Errorln("Database scan failed:", err)
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}
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return nil
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}
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if len(jid.String) > 0 && len(clientID.String) > 0 {
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user.JID = jid.String + whatsappExt.NewUserSuffix
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user.Session = &whatsapp.Session{
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ClientId: clientID.String,
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ClientToken: clientToken.String,
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ServerToken: serverToken.String,
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EncKey: encKey,
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MacKey: macKey,
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Wid: jid.String + whatsappExt.OldUserSuffix,
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}
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} else {
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user.Session = nil
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}
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return user
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}
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func stripSuffix(jid types.WhatsAppID) string {
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if len(jid) == 0 {
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return jid
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}
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index := strings.IndexRune(jid, '@')
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if index < 0 {
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return jid
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}
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return jid[:index]
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}
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func (user *User) jidPtr() *string {
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if len(user.JID) > 0 {
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str := stripSuffix(user.JID)
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return &str
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}
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return nil
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}
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func (user *User) sessionUnptr() (sess whatsapp.Session) {
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if user.Session != nil {
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sess = *user.Session
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}
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return
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}
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func (user *User) Insert() {
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sess := user.sessionUnptr()
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_, err := user.db.Exec(`INSERT INTO "user" (mxid, jid, management_room, last_connection, client_id, client_token, server_token, enc_key, mac_key) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
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user.MXID, user.jidPtr(),
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user.ManagementRoom, user.LastConnection,
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sess.ClientId, sess.ClientToken, sess.ServerToken, sess.EncKey, sess.MacKey)
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if err != nil {
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user.log.Warnfln("Failed to insert %s: %v", user.MXID, err)
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}
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}
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func (user *User) UpdateLastConnection() {
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user.LastConnection = uint64(time.Now().Unix())
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_, err := user.db.Exec(`UPDATE "user" SET last_connection=$1 WHERE mxid=$2`,
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user.LastConnection, user.MXID)
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if err != nil {
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user.log.Warnfln("Failed to update last connection ts: %v", err)
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}
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}
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func (user *User) Update() {
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sess := user.sessionUnptr()
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_, err := user.db.Exec(`UPDATE "user" SET jid=$1, management_room=$2, last_connection=$3, client_id=$4, client_token=$5, server_token=$6, enc_key=$7, mac_key=$8 WHERE mxid=$9`,
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user.jidPtr(), user.ManagementRoom, user.LastConnection,
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sess.ClientId, sess.ClientToken, sess.ServerToken, sess.EncKey, sess.MacKey,
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user.MXID)
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if err != nil {
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user.log.Warnfln("Failed to update %s: %v", user.MXID, err)
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}
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}
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type PortalKeyWithMeta struct {
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PortalKey
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InCommunity bool
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}
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func (user *User) SetPortalKeys(newKeys []PortalKeyWithMeta) error {
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tx, err := user.db.Begin()
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if err != nil {
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return err
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}
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_, err = tx.Exec("DELETE FROM user_portal WHERE user_jid=$1", user.jidPtr())
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if err != nil {
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_ = tx.Rollback()
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return err
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}
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valueStrings := make([]string, len(newKeys))
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values := make([]interface{}, len(newKeys)*4)
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for i, key := range newKeys {
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pos := i * 4
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valueStrings[i] = fmt.Sprintf("($%d, $%d, $%d, $%d)", pos+1, pos+2, pos+3, pos+4)
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values[pos] = user.jidPtr()
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values[pos+1] = key.JID
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values[pos+2] = key.Receiver
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values[pos+3] = key.InCommunity
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}
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query := fmt.Sprintf("INSERT INTO user_portal (user_jid, portal_jid, portal_receiver, in_community) VALUES %s",
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strings.Join(valueStrings, ", "))
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_, err = tx.Exec(query, values...)
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if err != nil {
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_ = tx.Rollback()
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return err
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}
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return tx.Commit()
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}
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func (user *User) IsInPortal(key PortalKey) bool {
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row := user.db.QueryRow(`SELECT EXISTS(SELECT 1 FROM user_portal WHERE user_jid=$1 AND portal_jid=$2 AND portal_receiver=$3)`, user.jidPtr(), &key.JID, &key.Receiver)
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var exists bool
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_ = row.Scan(&exists)
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return exists
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}
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func (user *User) GetPortalKeys() []PortalKey {
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rows, err := user.db.Query(`SELECT portal_jid, portal_receiver FROM user_portal WHERE user_jid=$1`, user.jidPtr())
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if err != nil {
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user.log.Warnln("Failed to get user portal keys:", err)
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return nil
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}
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var keys []PortalKey
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for rows.Next() {
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var key PortalKey
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err = rows.Scan(&key.JID, &key.Receiver)
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if err != nil {
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user.log.Warnln("Failed to scan row:", err)
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continue
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}
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keys = append(keys, key)
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}
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return keys
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}
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func (user *User) GetInCommunityMap() map[PortalKey]bool {
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rows, err := user.db.Query(`SELECT portal_jid, portal_receiver, in_community FROM user_portal WHERE user_jid=$1`, user.jidPtr())
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if err != nil {
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user.log.Warnln("Failed to get user portal keys:", err)
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return nil
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}
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keys := make(map[PortalKey]bool)
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for rows.Next() {
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var key PortalKey
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var inCommunity bool
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err = rows.Scan(&key.JID, &key.Receiver, &inCommunity)
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if err != nil {
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user.log.Warnln("Failed to scan row:", err)
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continue
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}
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keys[key] = inCommunity
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}
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return keys
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}
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