mautrix-whatsapp/database/user.go

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