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persistence.go
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persistence.go
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package pushnotificationclient
import (
"bytes"
"context"
"crypto/ecdsa"
"database/sql"
"encoding/gob"
"strings"
"time"
"github.com/golang/protobuf/proto"
"github.com/status-im/status-go/eth-node/crypto"
"github.com/status-im/status-go/protocol/protobuf"
)
type Persistence struct {
db *sql.DB
}
func NewPersistence(db *sql.DB) *Persistence {
return &Persistence{db: db}
}
func (p *Persistence) GetLastPushNotificationRegistration() (*protobuf.PushNotificationRegistration, []*ecdsa.PublicKey, error) {
var registrationBytes []byte
var contactIDsBytes []byte
err := p.db.QueryRow(`SELECT registration,contact_ids FROM push_notification_client_registrations LIMIT 1`).Scan(®istrationBytes, &contactIDsBytes)
if err == sql.ErrNoRows {
return nil, nil, nil
} else if err != nil {
return nil, nil, err
}
var publicKeyBytes [][]byte
var contactIDs []*ecdsa.PublicKey
// Restore contactIDs
contactIDsDecoder := gob.NewDecoder(bytes.NewBuffer(contactIDsBytes))
err = contactIDsDecoder.Decode(&publicKeyBytes)
if err != nil {
return nil, nil, err
}
for _, pkBytes := range publicKeyBytes {
pk, err := crypto.DecompressPubkey(pkBytes)
if err != nil {
return nil, nil, err
}
contactIDs = append(contactIDs, pk)
}
registration := &protobuf.PushNotificationRegistration{}
err = proto.Unmarshal(registrationBytes, registration)
if err != nil {
return nil, nil, err
}
return registration, contactIDs, nil
}
func (p *Persistence) SaveLastPushNotificationRegistration(registration *protobuf.PushNotificationRegistration, contactIDs []*ecdsa.PublicKey) error {
var encodedContactIDs bytes.Buffer
var contactIDsBytes [][]byte
for _, pk := range contactIDs {
contactIDsBytes = append(contactIDsBytes, crypto.CompressPubkey(pk))
}
pkEncoder := gob.NewEncoder(&encodedContactIDs)
if err := pkEncoder.Encode(contactIDsBytes); err != nil {
return err
}
marshaledRegistration, err := proto.Marshal(registration)
if err != nil {
return err
}
_, err = p.db.Exec(`INSERT INTO push_notification_client_registrations (registration,contact_ids) VALUES (?, ?)`, marshaledRegistration, encodedContactIDs.Bytes())
return err
}
func (p *Persistence) TrackPushNotification(chatID string, messageID []byte) error {
trackedAt := time.Now().Unix()
_, err := p.db.Exec(`INSERT INTO push_notification_client_tracked_messages (chat_id, message_id, tracked_at) VALUES (?,?,?)`, chatID, messageID, trackedAt)
return err
}
func (p *Persistence) TrackedMessage(messageID []byte) (bool, error) {
var count uint64
err := p.db.QueryRow(`SELECT COUNT(1) FROM push_notification_client_tracked_messages WHERE message_id = ?`, messageID).Scan(&count)
if err != nil {
return false, err
}
if count == 0 {
return false, nil
}
return true, nil
}
func (p *Persistence) SavePushNotificationQuery(publicKey *ecdsa.PublicKey, queryID []byte) error {
queriedAt := time.Now().Unix()
_, err := p.db.Exec(`INSERT INTO push_notification_client_queries (public_key, query_id, queried_at) VALUES (?,?,?)`, crypto.CompressPubkey(publicKey), queryID, queriedAt)
return err
}
func (p *Persistence) GetQueriedAt(publicKey *ecdsa.PublicKey) (int64, error) {
var queriedAt int64
err := p.db.QueryRow(`SELECT queried_at FROM push_notification_client_queries WHERE public_key = ? ORDER BY queried_at DESC LIMIT 1`, crypto.CompressPubkey(publicKey)).Scan(&queriedAt)
if err == sql.ErrNoRows {
return 0, nil
}
if err != nil {
return 0, err
}
return queriedAt, nil
}
func (p *Persistence) GetQueryPublicKey(queryID []byte) (*ecdsa.PublicKey, error) {
var publicKeyBytes []byte
err := p.db.QueryRow(`SELECT public_key FROM push_notification_client_queries WHERE query_id = ?`, queryID).Scan(&publicKeyBytes)
if err == sql.ErrNoRows {
return nil, nil
}
if err != nil {
return nil, err
}
publicKey, err := crypto.DecompressPubkey(publicKeyBytes)
if err != nil {
return nil, err
}
return publicKey, nil
}
func (p *Persistence) SavePushNotificationInfo(infos []*PushNotificationInfo) error {
tx, err := p.db.BeginTx(context.Background(), &sql.TxOptions{})
defer func() {
if err == nil {
err = tx.Commit()
return
}
// don't shadow original error
_ = tx.Rollback()
}()
for _, info := range infos {
var latestVersion uint64
clientCompressedKey := crypto.CompressPubkey(info.PublicKey)
err := tx.QueryRow(`SELECT IFNULL(MAX(version),0) FROM push_notification_client_info WHERE public_key = ? AND installation_id = ? LIMIT 1`, clientCompressedKey, info.InstallationID).Scan(&latestVersion)
if err != sql.ErrNoRows && err != nil {
return err
}
if latestVersion > info.Version {
// Nothing to do
continue
}
// Remove anything that as a lower version
_, err = tx.Exec(`DELETE FROM push_notification_client_info WHERE public_key = ? AND installation_id = ? AND version < ?`, clientCompressedKey, info.InstallationID, info.Version)
if err != nil {
return err
}
// Insert
_, err = tx.Exec(`INSERT INTO push_notification_client_info (public_key, server_public_key, installation_id, access_token, retrieved_at, version) VALUES (?, ?, ?, ?, ?,?)`, clientCompressedKey, crypto.CompressPubkey(info.ServerPublicKey), info.InstallationID, info.AccessToken, info.RetrievedAt, info.Version)
if err != nil {
return err
}
}
return nil
}
func (p *Persistence) GetPushNotificationInfo(publicKey *ecdsa.PublicKey, installationIDs []string) ([]*PushNotificationInfo, error) {
queryArgs := make([]interface{}, 0, len(installationIDs)+1)
queryArgs = append(queryArgs, crypto.CompressPubkey(publicKey))
for _, installationID := range installationIDs {
queryArgs = append(queryArgs, installationID)
}
inVector := strings.Repeat("?, ", len(installationIDs)-1) + "?"
rows, err := p.db.Query(`SELECT server_public_key, installation_id, version, access_token, retrieved_at FROM push_notification_client_info WHERE public_key = ? AND installation_id IN (`+inVector+`)`, queryArgs...) //nolint: gosec
if err != nil {
return nil, err
}
defer rows.Close()
var infos []*PushNotificationInfo
for rows.Next() {
var serverPublicKeyBytes []byte
info := &PushNotificationInfo{PublicKey: publicKey}
err := rows.Scan(&serverPublicKeyBytes, &info.InstallationID, &info.Version, &info.AccessToken, &info.RetrievedAt)
if err != nil {
return nil, err
}
serverPublicKey, err := crypto.DecompressPubkey(serverPublicKeyBytes)
if err != nil {
return nil, err
}
info.ServerPublicKey = serverPublicKey
infos = append(infos, info)
}
return infos, nil
}
func (p *Persistence) GetPushNotificationInfoByPublicKey(publicKey *ecdsa.PublicKey) ([]*PushNotificationInfo, error) {
rows, err := p.db.Query(`SELECT server_public_key, installation_id, access_token, retrieved_at FROM push_notification_client_info WHERE public_key = ?`, crypto.CompressPubkey(publicKey))
if err != nil {
return nil, err
}
defer rows.Close()
var infos []*PushNotificationInfo
for rows.Next() {
var serverPublicKeyBytes []byte
info := &PushNotificationInfo{PublicKey: publicKey}
err := rows.Scan(&serverPublicKeyBytes, &info.InstallationID, &info.AccessToken, &info.RetrievedAt)
if err != nil {
return nil, err
}
serverPublicKey, err := crypto.DecompressPubkey(serverPublicKeyBytes)
if err != nil {
return nil, err
}
info.ServerPublicKey = serverPublicKey
infos = append(infos, info)
}
return infos, nil
}
func (p *Persistence) ShouldSendNotificationFor(publicKey *ecdsa.PublicKey, installationID string, messageID []byte) (bool, error) {
// First we check that we are tracking this message, next we check that we haven't already sent this
var count uint64
err := p.db.QueryRow(`SELECT COUNT(1) FROM push_notification_client_tracked_messages WHERE message_id = ?`, messageID).Scan(&count)
if err != nil {
return false, err
}
if count == 0 {
return false, nil
}
err = p.db.QueryRow(`SELECT COUNT(1) FROM push_notification_client_sent_notifications WHERE message_id = ? AND public_key = ? AND installation_id = ? `, messageID, crypto.CompressPubkey(publicKey), installationID).Scan(&count)
if err != nil {
return false, err
}
return count == 0, nil
}
func (p *Persistence) ShouldSendNotificationToAllInstallationIDs(publicKey *ecdsa.PublicKey, messageID []byte) (bool, error) {
// First we check that we are tracking this message, next we check that we haven't already sent this
var count uint64
err := p.db.QueryRow(`SELECT COUNT(1) FROM push_notification_client_tracked_messages WHERE message_id = ?`, messageID).Scan(&count)
if err != nil {
return false, err
}
if count == 0 {
return false, nil
}
err = p.db.QueryRow(`SELECT COUNT(1) FROM push_notification_client_sent_notifications WHERE message_id = ? AND public_key = ? `, messageID, crypto.CompressPubkey(publicKey)).Scan(&count)
if err != nil {
return false, err
}
return count == 0, nil
}
func (p *Persistence) UpsertSentNotification(n *SentNotification) error {
_, err := p.db.Exec(`INSERT INTO push_notification_client_sent_notifications (public_key, installation_id, message_id, last_tried_at, retry_count, success, error, hashed_public_key) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`, crypto.CompressPubkey(n.PublicKey), n.InstallationID, n.MessageID, n.LastTriedAt, n.RetryCount, n.Success, n.Error, n.HashedPublicKey())
return err
}
func (p *Persistence) GetSentNotification(hashedPublicKey []byte, installationID string, messageID []byte) (*SentNotification, error) {
var publicKeyBytes []byte
sentNotification := &SentNotification{
InstallationID: installationID,
MessageID: messageID,
}
err := p.db.QueryRow(`SELECT retry_count, last_tried_at, error, success, public_key FROM push_notification_client_sent_notifications WHERE hashed_public_key = ?`, hashedPublicKey).Scan(&sentNotification.RetryCount, &sentNotification.LastTriedAt, &sentNotification.Error, &sentNotification.Success, &publicKeyBytes)
if err != nil {
return nil, err
}
publicKey, err := crypto.DecompressPubkey(publicKeyBytes)
if err != nil {
return nil, err
}
sentNotification.PublicKey = publicKey
return sentNotification, nil
}
func (p *Persistence) UpdateNotificationResponse(messageID []byte, response *protobuf.PushNotificationReport) error {
_, err := p.db.Exec(`UPDATE push_notification_client_sent_notifications SET success = ?, error = ? WHERE hashed_public_key = ? AND installation_id = ? AND message_id = ? AND NOT success`, response.Success, response.Error, response.PublicKey, response.InstallationId, messageID)
return err
}
func (p *Persistence) GetRetriablePushNotifications() ([]*SentNotification, error) {
var notifications []*SentNotification
rows, err := p.db.Query(`SELECT retry_count, last_tried_at, error, success, public_key, installation_id, message_id FROM push_notification_client_sent_notifications WHERE NOT success AND error = ?`, protobuf.PushNotificationReport_WRONG_TOKEN)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
var publicKeyBytes []byte
notification := &SentNotification{}
err = rows.Scan(¬ification.RetryCount, ¬ification.LastTriedAt, ¬ification.Error, ¬ification.Success, &publicKeyBytes, ¬ification.InstallationID, ¬ification.MessageID)
if err != nil {
return nil, err
}
publicKey, err := crypto.DecompressPubkey(publicKeyBytes)
if err != nil {
return nil, err
}
notification.PublicKey = publicKey
notifications = append(notifications, notification)
}
return notifications, err
}
func (p *Persistence) UpsertServer(server *PushNotificationServer) error {
_, err := p.db.Exec(`INSERT INTO push_notification_client_servers (public_key, registered, registered_at, access_token, last_retried_at, retry_count) VALUES (?,?,?,?,?,?)`, crypto.CompressPubkey(server.PublicKey), server.Registered, server.RegisteredAt, server.AccessToken, server.LastRetriedAt, server.RetryCount)
return err
}
func (p *Persistence) GetServers() ([]*PushNotificationServer, error) {
rows, err := p.db.Query(`SELECT public_key, registered, registered_at,access_token,last_retried_at, retry_count FROM push_notification_client_servers`)
if err != nil {
return nil, err
}
defer rows.Close()
var servers []*PushNotificationServer
for rows.Next() {
server := &PushNotificationServer{}
var key []byte
err := rows.Scan(&key, &server.Registered, &server.RegisteredAt, &server.AccessToken, &server.LastRetriedAt, &server.RetryCount)
if err != nil {
return nil, err
}
parsedKey, err := crypto.DecompressPubkey(key)
if err != nil {
return nil, err
}
server.PublicKey = parsedKey
servers = append(servers, server)
}
return servers, nil
}
func (p *Persistence) GetServersByPublicKey(keys []*ecdsa.PublicKey) ([]*PushNotificationServer, error) {
keyArgs := make([]interface{}, 0, len(keys))
for _, key := range keys {
keyArgs = append(keyArgs, crypto.CompressPubkey(key))
}
inVector := strings.Repeat("?, ", len(keys)-1) + "?"
rows, err := p.db.Query(`SELECT public_key, registered, registered_at,access_token FROM push_notification_client_servers WHERE public_key IN (`+inVector+")", keyArgs...) //nolint: gosec
if err != nil {
return nil, err
}
defer rows.Close()
var servers []*PushNotificationServer
for rows.Next() {
server := &PushNotificationServer{}
var key []byte
err := rows.Scan(&key, &server.Registered, &server.RegisteredAt, &server.AccessToken)
if err != nil {
return nil, err
}
parsedKey, err := crypto.DecompressPubkey(key)
if err != nil {
return nil, err
}
server.PublicKey = parsedKey
servers = append(servers, server)
}
return servers, nil
}