message: use class name instead of this
diff: @@ -146,8 +146,8 @@ export default class Cypher {
  const createDatabaseLock = LockingManager.createExclusiveLock(tenantID, LockEntity.DATABASE, 'migrate-settings-sensitive-data');
  if (await LockingManager.acquire(createDatabaseLock)) {
  try {
  - await this.migrate(tenantID);
  - await this.cleanupFormerSensitiveData(tenantID);
  + await Cypher.migrate(tenantID);
  + await Cypher.cleanupFormerSensitiveData(tenantID);
  const keySettings = await SettingStorage.getCryptoSettings(tenantID);
  keySettings.crypto.migrationToBeDone = false;
  await SettingStorage.saveCryptoSettings(tenantID, keySettings);
  @@ -166,8 +166,8 @@ export default class Cypher {
  }
  public static async migrate(tenantID: string): Promise<void> {
  - const cryptoSetting = await this.getCryptoSetting(tenantID);
  - await this.migrateSettings(tenantID, cryptoSetting);
  + const cryptoSetting = await Cypher.getCryptoSetting(tenantID);
  + await Cypher.migrateSettings(tenantID, cryptoSetting);
  }
  public static async getSettingsWithSensitiveData(tenantID: string): Promise<SettingDB[]> {
  @@ -184,20 +184,20 @@ export default class Cypher {
  public static async migrateSettings(tenantID: string, cryptoSetting: CryptoSetting): Promise<void> {
  - const settingsToMigrate = await this.getSettingsWithSensitiveData(tenantID);
  + const settingsToMigrate = await Cypher.getSettingsWithSensitiveData(tenantID);
  // If tenant has settings with sensitive data, migrate them
  if (!Utils.isEmptyArray(settingsToMigrate)) {
  // Migrate
  for (const setting of settingsToMigrate) {
  if (!setting.formerSensitiveData && Utils.isEmptyArray(setting.formerSensitiveData)) {
  // Save former senitive data in setting
  - const formerSensitiveData = this.prepareFormerSenitiveData(setting);
  - formerSensitiveData['formerKeyHash'] = this.hash(cryptoSetting.formerKey);
  + const formerSensitiveData = Cypher.prepareFormerSenitiveData(setting);
  + formerSensitiveData['formerKeyHash'] = Cypher.hash(cryptoSetting.formerKey);
  setting.formerSensitiveData = formerSensitiveData;
  // Decrypt sensitive data with former key and key properties
  - await this.decryptSensitiveDataInJSON(setting, tenantID, true);
  + await Cypher.decryptSensitiveDataInJSON(setting, tenantID, true);
  // Encrypt sensitive data with new key and key properties
  - await this.encryptSensitiveDataInJSON(setting, tenantID);
  + await Cypher.encryptSensitiveDataInJSON(setting, tenantID);
  // Save setting with sensitive data encrypted with new key
  await SettingStorage.saveSettings(tenantID, setting);
  }
  @@ -206,7 +206,7 @@ export default class Cypher {
  }
  public static async cleanupFormerSensitiveData(tenantID: string): Promise<void> {
  - const settingsToCleanup = await this.getSettingsWithSensitiveData(tenantID);
  + const settingsToCleanup = await Cypher.getSettingsWithSensitiveData(tenantID);
  // If tenant has settings with sensitive data, clean them
  if (!Utils.isEmptyArray(settingsToCleanup)) {
  // Cleanup
  