472 lines
14 KiB
Go
472 lines
14 KiB
Go
package multiaccounts
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import (
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"context"
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"database/sql"
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"encoding/json"
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"github.com/ethereum/go-ethereum/log"
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"github.com/status-im/status-go/common/dbsetup"
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"github.com/status-im/status-go/images"
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"github.com/status-im/status-go/multiaccounts/common"
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"github.com/status-im/status-go/multiaccounts/migrations"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/sqlite"
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)
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type ColorHash [][2]int
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// Account stores public information about account.
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type Account struct {
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Name string `json:"name"`
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Timestamp int64 `json:"timestamp"`
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Identicon string `json:"identicon"`
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ColorHash ColorHash `json:"colorHash"`
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ColorID int64 `json:"colorId"`
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CustomizationColor common.CustomizationColor `json:"customizationColor,omitempty"`
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KeycardPairing string `json:"keycard-pairing"`
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KeyUID string `json:"key-uid"`
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Images []images.IdentityImage `json:"images"`
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KDFIterations int `json:"kdfIterations,omitempty"`
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CustomizationColorClock uint64 `json:"-"`
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}
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func (a *Account) ToProtobuf() *protobuf.MultiAccount {
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var colorHashes []*protobuf.MultiAccount_ColorHash
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for _, index := range a.ColorHash {
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var i []int64
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for _, is := range index {
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i = append(i, int64(is))
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}
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colorHashes = append(colorHashes, &protobuf.MultiAccount_ColorHash{Index: i})
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}
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var identityImages []*protobuf.MultiAccount_IdentityImage
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for _, ii := range a.Images {
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identityImages = append(identityImages, ii.ToProtobuf())
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}
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return &protobuf.MultiAccount{
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Name: a.Name,
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Timestamp: a.Timestamp,
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Identicon: a.Identicon,
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ColorHash: colorHashes,
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ColorId: a.ColorID,
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CustomizationColor: string(a.CustomizationColor),
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KeycardPairing: a.KeycardPairing,
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KeyUid: a.KeyUID,
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Images: identityImages,
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CustomizationColorClock: a.CustomizationColorClock,
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}
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}
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func (a *Account) FromProtobuf(ma *protobuf.MultiAccount) {
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var colorHash ColorHash
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for _, index := range ma.ColorHash {
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var i [2]int
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for n, is := range index.Index {
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i[n] = int(is)
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}
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colorHash = append(colorHash, i)
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}
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var identityImages []images.IdentityImage
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for _, ii := range ma.Images {
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iii := images.IdentityImage{}
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iii.FromProtobuf(ii)
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identityImages = append(identityImages, iii)
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}
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a.Name = ma.Name
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a.Timestamp = ma.Timestamp
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a.Identicon = ma.Identicon
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a.ColorHash = colorHash
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a.ColorID = ma.ColorId
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a.KeycardPairing = ma.KeycardPairing
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a.CustomizationColor = common.CustomizationColor(ma.CustomizationColor)
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a.KeyUID = ma.KeyUid
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a.Images = identityImages
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a.CustomizationColorClock = ma.CustomizationColorClock
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}
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type MultiAccountMarshaller interface {
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ToMultiAccount() *Account
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}
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type IdentityImageSubscriptionChange struct {
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PublishExpected bool
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}
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type Database struct {
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db *sql.DB
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identityImageSubscriptions []chan *IdentityImageSubscriptionChange
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}
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// InitializeDB creates db file at a given path and applies migrations.
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func InitializeDB(path string) (*Database, error) {
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db, err := sqlite.OpenUnecryptedDB(path)
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if err != nil {
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return nil, err
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}
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err = migrations.Migrate(db, nil)
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if err != nil {
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return nil, err
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}
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return &Database{db: db}, nil
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}
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func (db *Database) Close() error {
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return db.db.Close()
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}
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func (db *Database) GetAccountKDFIterationsNumber(keyUID string) (kdfIterationsNumber int, err error) {
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err = db.db.QueryRow("SELECT kdfIterations FROM accounts WHERE keyUid = ?", keyUID).Scan(&kdfIterationsNumber)
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if err != nil {
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return -1, err
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}
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return
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}
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func (db *Database) GetAccounts() (rst []Account, err error) {
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rows, err := db.db.Query("SELECT a.name, a.loginTimestamp, a.identicon, a.colorHash, a.colorId, a.customizationColor, a.customizationColorClock, a.keycardPairing, a.keyUid, a.kdfIterations, ii.name, ii.image_payload, ii.width, ii.height, ii.file_size, ii.resize_target, ii.clock FROM accounts AS a LEFT JOIN identity_images AS ii ON ii.key_uid = a.keyUid ORDER BY loginTimestamp DESC")
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if err != nil {
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return nil, err
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}
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defer func() {
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errClose := rows.Close()
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err = valueOr(err, errClose)
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}()
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for rows.Next() {
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acc := Account{}
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accLoginTimestamp := sql.NullInt64{}
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accIdenticon := sql.NullString{}
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accColorHash := sql.NullString{}
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accColorID := sql.NullInt64{}
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ii := &images.IdentityImage{}
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iiName := sql.NullString{}
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iiWidth := sql.NullInt64{}
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iiHeight := sql.NullInt64{}
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iiFileSize := sql.NullInt64{}
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iiResizeTarget := sql.NullInt64{}
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iiClock := sql.NullInt64{}
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err = rows.Scan(
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&acc.Name,
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&accLoginTimestamp,
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&accIdenticon,
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&accColorHash,
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&accColorID,
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&acc.CustomizationColor,
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&acc.CustomizationColorClock,
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&acc.KeycardPairing,
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&acc.KeyUID,
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&acc.KDFIterations,
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&iiName,
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&ii.Payload,
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&iiWidth,
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&iiHeight,
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&iiFileSize,
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&iiResizeTarget,
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&iiClock,
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)
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if err != nil {
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return nil, err
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}
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acc.Timestamp = accLoginTimestamp.Int64
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acc.Identicon = accIdenticon.String
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acc.ColorID = accColorID.Int64
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if len(accColorHash.String) != 0 {
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err = json.Unmarshal([]byte(accColorHash.String), &acc.ColorHash)
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if err != nil {
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return nil, err
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}
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}
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ii.KeyUID = acc.KeyUID
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ii.Name = iiName.String
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ii.Width = int(iiWidth.Int64)
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ii.Height = int(iiHeight.Int64)
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ii.FileSize = int(iiFileSize.Int64)
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ii.ResizeTarget = int(iiResizeTarget.Int64)
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ii.Clock = uint64(iiClock.Int64)
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if ii.Name == "" && len(ii.Payload) == 0 && ii.Width == 0 && ii.Height == 0 && ii.FileSize == 0 && ii.ResizeTarget == 0 {
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ii = nil
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}
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// Last index
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li := len(rst) - 1
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// Don't process nil identity images
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if ii != nil {
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// attach the identity image to a previously created account if present, check keyUID matches
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if len(rst) > 0 && rst[li].KeyUID == acc.KeyUID {
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rst[li].Images = append(rst[li].Images, *ii)
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// else attach the identity image to the newly created account
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} else {
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acc.Images = append(acc.Images, *ii)
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}
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}
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// Append newly created account only if this is the first loop or the keyUID doesn't match
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if len(rst) == 0 || rst[li].KeyUID != acc.KeyUID {
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rst = append(rst, acc)
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}
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}
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return rst, nil
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}
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func (db *Database) GetAccount(keyUID string) (*Account, error) {
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rows, err := db.db.Query("SELECT a.name, a.loginTimestamp, a.identicon, a.colorHash, a.colorId, a.customizationColor, a.customizationColorClock, a.keycardPairing, a.keyUid, a.kdfIterations, ii.key_uid, ii.name, ii.image_payload, ii.width, ii.height, ii.file_size, ii.resize_target, ii.clock FROM accounts AS a LEFT JOIN identity_images AS ii ON ii.key_uid = a.keyUid WHERE a.keyUid = ? ORDER BY loginTimestamp DESC", keyUID)
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if err != nil {
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return nil, err
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}
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defer func() {
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errClose := rows.Close()
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err = valueOr(err, errClose)
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}()
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acc := new(Account)
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for rows.Next() {
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accLoginTimestamp := sql.NullInt64{}
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accIdenticon := sql.NullString{}
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accColorHash := sql.NullString{}
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accColorID := sql.NullInt64{}
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ii := &images.IdentityImage{}
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iiKeyUID := sql.NullString{}
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iiName := sql.NullString{}
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iiWidth := sql.NullInt64{}
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iiHeight := sql.NullInt64{}
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iiFileSize := sql.NullInt64{}
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iiResizeTarget := sql.NullInt64{}
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iiClock := sql.NullInt64{}
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err = rows.Scan(
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&acc.Name,
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&accLoginTimestamp,
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&accIdenticon,
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&accColorHash,
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&accColorID,
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&acc.CustomizationColor,
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&acc.CustomizationColorClock,
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&acc.KeycardPairing,
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&acc.KeyUID,
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&acc.KDFIterations,
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&iiKeyUID,
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&iiName,
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&ii.Payload,
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&iiWidth,
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&iiHeight,
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&iiFileSize,
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&iiResizeTarget,
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&iiClock,
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)
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if err != nil {
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return nil, err
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}
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acc.Timestamp = accLoginTimestamp.Int64
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acc.Identicon = accIdenticon.String
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acc.ColorID = accColorID.Int64
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if len(accColorHash.String) != 0 {
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err = json.Unmarshal([]byte(accColorHash.String), &acc.ColorHash)
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if err != nil {
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return nil, err
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}
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}
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ii.KeyUID = iiKeyUID.String
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ii.Name = iiName.String
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ii.Width = int(iiWidth.Int64)
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ii.Height = int(iiHeight.Int64)
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ii.FileSize = int(iiFileSize.Int64)
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ii.ResizeTarget = int(iiResizeTarget.Int64)
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ii.Clock = uint64(iiClock.Int64)
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// Don't process empty identity images
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if !ii.IsEmpty() {
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acc.Images = append(acc.Images, *ii)
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}
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}
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return acc, nil
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}
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func (db *Database) SaveAccount(account Account) error {
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colorHash, err := json.Marshal(account.ColorHash)
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if err != nil {
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return err
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}
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if account.KDFIterations <= 0 {
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account.KDFIterations = dbsetup.ReducedKDFIterationsNumber
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}
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_, err = db.db.Exec("INSERT OR REPLACE INTO accounts (name, identicon, colorHash, colorId, customizationColor, customizationColorClock, keycardPairing, keyUid, kdfIterations) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)", account.Name, account.Identicon, colorHash, account.ColorID, account.CustomizationColor, account.CustomizationColorClock, account.KeycardPairing, account.KeyUID, account.KDFIterations)
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if err != nil {
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return err
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}
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if account.Images == nil {
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return nil
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}
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return db.StoreIdentityImages(account.KeyUID, account.Images, false)
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}
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func (db *Database) UpdateAccount(account Account) error {
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colorHash, err := json.Marshal(account.ColorHash)
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if err != nil {
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return err
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}
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if account.KDFIterations <= 0 {
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account.KDFIterations = dbsetup.ReducedKDFIterationsNumber
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}
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_, err = db.db.Exec("UPDATE accounts SET name = ?, identicon = ?, colorHash = ?, colorId = ?, customizationColor = ?, customizationColorClock = ?, keycardPairing = ?, kdfIterations = ? WHERE keyUid = ?", account.Name, account.Identicon, colorHash, account.ColorID, account.CustomizationColor, account.CustomizationColorClock, account.KeycardPairing, account.KDFIterations, account.KeyUID)
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return err
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}
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func (db *Database) UpdateAccountKeycardPairing(keyUID string, keycardPairing string) error {
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_, err := db.db.Exec("UPDATE accounts SET keycardPairing = ? WHERE keyUid = ?", keycardPairing, keyUID)
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return err
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}
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func (db *Database) UpdateAccountTimestamp(keyUID string, loginTimestamp int64) error {
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_, err := db.db.Exec("UPDATE accounts SET loginTimestamp = ? WHERE keyUid = ?", loginTimestamp, keyUID)
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return err
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}
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func (db *Database) UpdateAccountCustomizationColor(keyUID string, color string, clock uint64) (sql.Result, error) {
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return db.db.Exec("UPDATE accounts SET customizationColor = ?, customizationColorClock = ? WHERE keyUid = ? AND customizationColorClock < ?", color, clock, keyUID, clock)
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}
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func (db *Database) DeleteAccount(keyUID string) error {
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_, err := db.db.Exec("DELETE FROM accounts WHERE keyUid = ?", keyUID)
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return err
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}
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// Account images
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func (db *Database) GetIdentityImages(keyUID string) (iis []*images.IdentityImage, err error) {
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rows, err := db.db.Query(`SELECT key_uid, name, image_payload, width, height, file_size, resize_target, clock FROM identity_images WHERE key_uid = ?`, keyUID)
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if err != nil {
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return nil, err
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}
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defer func() {
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errClose := rows.Close()
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err = valueOr(err, errClose)
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}()
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for rows.Next() {
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ii := &images.IdentityImage{}
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err = rows.Scan(&ii.KeyUID, &ii.Name, &ii.Payload, &ii.Width, &ii.Height, &ii.FileSize, &ii.ResizeTarget, &ii.Clock)
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if err != nil {
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return nil, err
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}
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iis = append(iis, ii)
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}
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return iis, nil
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}
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func (db *Database) GetIdentityImage(keyUID, it string) (*images.IdentityImage, error) {
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var ii images.IdentityImage
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err := db.db.QueryRow("SELECT key_uid, name, image_payload, width, height, file_size, resize_target, clock FROM identity_images WHERE key_uid = ? AND name = ?", keyUID, it).Scan(&ii.KeyUID, &ii.Name, &ii.Payload, &ii.Width, &ii.Height, &ii.FileSize, &ii.ResizeTarget, &ii.Clock)
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if err == sql.ErrNoRows {
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return nil, nil
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} else if err != nil {
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return nil, err
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}
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return &ii, nil
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}
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func (db *Database) StoreIdentityImages(keyUID string, iis []images.IdentityImage, publish bool) (err error) {
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// Because SQL INSERTs are triggered in a loop use a tx to ensure a single call to the DB.
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tx, err := db.db.BeginTx(context.Background(), &sql.TxOptions{})
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if err != nil {
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return err
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}
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defer func() {
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if err == nil {
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err = tx.Commit()
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return
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}
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errRollback := tx.Rollback()
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err = valueOr(err, errRollback)
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}()
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for i, ii := range iis {
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if ii.IsEmpty() {
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continue
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}
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iis[i].KeyUID = keyUID
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_, err := tx.Exec(
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"INSERT INTO identity_images (key_uid, name, image_payload, width, height, file_size, resize_target, clock) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
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keyUID,
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ii.Name,
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ii.Payload,
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ii.Width,
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ii.Height,
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ii.FileSize,
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ii.ResizeTarget,
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ii.Clock,
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)
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if err != nil {
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return err
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}
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}
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db.publishOnIdentityImageSubscriptions(&IdentityImageSubscriptionChange{
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PublishExpected: publish,
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})
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return nil
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}
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func (db *Database) SubscribeToIdentityImageChanges() chan *IdentityImageSubscriptionChange {
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s := make(chan *IdentityImageSubscriptionChange, 100)
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db.identityImageSubscriptions = append(db.identityImageSubscriptions, s)
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return s
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}
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func (db *Database) publishOnIdentityImageSubscriptions(change *IdentityImageSubscriptionChange) {
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// Publish on channels, drop if buffer is full
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for _, s := range db.identityImageSubscriptions {
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select {
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case s <- change:
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default:
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log.Warn("subscription channel full, dropping message")
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}
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}
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}
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func (db *Database) DeleteIdentityImage(keyUID string) error {
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_, err := db.db.Exec(`DELETE FROM identity_images WHERE key_uid = ?`, keyUID)
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if err != nil {
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return err
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}
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db.publishOnIdentityImageSubscriptions(&IdentityImageSubscriptionChange{
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PublishExpected: true,
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})
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return err
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}
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func valueOr(value error, or error) error {
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if value != nil {
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return value
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}
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return or
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}
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