300 lines
7.0 KiB
Go
300 lines
7.0 KiB
Go
package storage
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import (
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"context"
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"crypto/sha256"
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"fmt"
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"github.com/google/uuid"
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"github.com/jmoiron/sqlx"
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"github.com/authelia/authelia/v4/internal/models"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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// SchemaEncryptionChangeKey uses the currently configured key to decrypt values in the database and the key provided
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// by this command to encrypt the values again and update them using a transaction.
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func (p *SQLProvider) SchemaEncryptionChangeKey(ctx context.Context, encryptionKey string) (err error) {
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tx, err := p.db.Beginx()
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if err != nil {
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return fmt.Errorf("error beginning transaction to change encryption key: %w", err)
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}
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key := sha256.Sum256([]byte(encryptionKey))
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if err = p.schemaEncryptionChangeKeyTOTP(ctx, tx, key); err != nil {
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return err
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}
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if err = p.schemaEncryptionChangeKeyWebauthn(ctx, tx, key); err != nil {
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return err
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}
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if err = p.setNewEncryptionCheckValue(ctx, &key, tx); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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return tx.Commit()
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}
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func (p *SQLProvider) schemaEncryptionChangeKeyTOTP(ctx context.Context, tx *sqlx.Tx, key [32]byte) (err error) {
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var configs []models.TOTPConfiguration
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for page := 0; true; page++ {
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if configs, err = p.LoadTOTPConfigurations(ctx, 10, page); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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for _, config := range configs {
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if config.Secret, err = utils.Encrypt(config.Secret, &key); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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if err = p.updateTOTPConfigurationSecret(ctx, config); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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}
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if len(configs) != 10 {
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break
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}
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}
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return nil
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}
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func (p *SQLProvider) schemaEncryptionChangeKeyWebauthn(ctx context.Context, tx *sqlx.Tx, key [32]byte) (err error) {
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var devices []models.WebauthnDevice
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for page := 0; true; page++ {
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if devices, err = p.LoadWebauthnDevices(ctx, 10, page); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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for _, device := range devices {
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if device.PublicKey, err = utils.Encrypt(device.PublicKey, &key); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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if err = p.updateWebauthnDevicePublicKey(ctx, device); err != nil {
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if rollbackErr := tx.Rollback(); rollbackErr != nil {
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return fmt.Errorf("rollback error %v: rollback due to error: %w", rollbackErr, err)
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}
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return fmt.Errorf("rollback due to error: %w", err)
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}
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}
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if len(devices) != 10 {
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break
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}
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}
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return nil
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}
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// SchemaEncryptionCheckKey checks the encryption key configured is valid for the database.
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func (p *SQLProvider) SchemaEncryptionCheckKey(ctx context.Context, verbose bool) (err error) {
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version, err := p.SchemaVersion(ctx)
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if err != nil {
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return err
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}
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if version < 1 {
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return ErrSchemaEncryptionVersionUnsupported
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}
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var errs []error
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if _, err = p.getEncryptionValue(ctx, encryptionNameCheck); err != nil {
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errs = append(errs, ErrSchemaEncryptionInvalidKey)
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}
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if verbose {
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if err = p.schemaEncryptionCheckTOTP(ctx); err != nil {
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errs = append(errs, err)
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}
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if err = p.schemaEncryptionCheckU2F(ctx); err != nil {
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errs = append(errs, err)
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}
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}
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if len(errs) != 0 {
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for i, e := range errs {
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if i == 0 {
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err = e
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continue
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}
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err = fmt.Errorf("%w, %v", err, e)
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}
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return err
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}
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return nil
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}
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func (p *SQLProvider) schemaEncryptionCheckTOTP(ctx context.Context) (err error) {
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var (
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config models.TOTPConfiguration
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row int
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invalid int
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total int
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)
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pageSize := 10
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var rows *sqlx.Rows
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for page := 0; true; page++ {
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if rows, err = p.db.QueryxContext(ctx, p.sqlSelectTOTPConfigs, pageSize, pageSize*page); err != nil {
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_ = rows.Close()
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return fmt.Errorf("error selecting TOTP configurations: %w", err)
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}
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row = 0
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for rows.Next() {
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total++
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row++
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if err = rows.StructScan(&config); err != nil {
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_ = rows.Close()
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return fmt.Errorf("error scanning TOTP configuration to struct: %w", err)
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}
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if _, err = p.decrypt(config.Secret); err != nil {
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invalid++
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}
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}
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_ = rows.Close()
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if row < pageSize {
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break
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}
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}
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if invalid != 0 {
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return fmt.Errorf("%d of %d total TOTP secrets were invalid", invalid, total)
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}
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return nil
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}
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func (p *SQLProvider) schemaEncryptionCheckU2F(ctx context.Context) (err error) {
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var (
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device models.U2FDevice
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row int
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invalid int
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total int
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)
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pageSize := 10
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var rows *sqlx.Rows
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for page := 0; true; page++ {
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if rows, err = p.db.QueryxContext(ctx, p.sqlSelectWebauthnDevices, pageSize, pageSize*page); err != nil {
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_ = rows.Close()
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return fmt.Errorf("error selecting U2F devices: %w", err)
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}
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row = 0
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for rows.Next() {
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total++
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row++
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if err = rows.StructScan(&device); err != nil {
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_ = rows.Close()
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return fmt.Errorf("error scanning U2F device to struct: %w", err)
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}
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if _, err = p.decrypt(device.PublicKey); err != nil {
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invalid++
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}
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}
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_ = rows.Close()
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if row < pageSize {
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break
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}
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}
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if invalid != 0 {
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return fmt.Errorf("%d of %d total U2F devices were invalid", invalid, total)
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}
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return nil
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}
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func (p SQLProvider) encrypt(clearText []byte) (cipherText []byte, err error) {
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return utils.Encrypt(clearText, &p.key)
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}
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func (p SQLProvider) decrypt(cipherText []byte) (clearText []byte, err error) {
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return utils.Decrypt(cipherText, &p.key)
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}
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func (p *SQLProvider) getEncryptionValue(ctx context.Context, name string) (value []byte, err error) {
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var encryptedValue []byte
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err = p.db.GetContext(ctx, &encryptedValue, p.sqlSelectEncryptionValue, name)
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if err != nil {
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return nil, err
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}
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return p.decrypt(encryptedValue)
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}
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func (p *SQLProvider) setNewEncryptionCheckValue(ctx context.Context, key *[32]byte, e sqlx.ExecerContext) (err error) {
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valueClearText, err := uuid.NewUUID()
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if err != nil {
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return err
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}
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value, err := utils.Encrypt([]byte(valueClearText.String()), key)
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if err != nil {
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return err
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}
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if e != nil {
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_, err = e.ExecContext(ctx, p.sqlUpsertEncryptionValue, encryptionNameCheck, value)
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} else {
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_, err = p.db.ExecContext(ctx, p.sqlUpsertEncryptionValue, encryptionNameCheck, value)
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}
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return err
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}
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