Paul Rastoin
ebfaca5b3d
## Summary closes https://github.com/twentyhq/core-team-issues/issues/2464 Introduces compile-time branded types to distinguish encrypted ciphertext from plaintext strings, preventing mix-ups like the one fixed in #20819 — but at the type level rather in addition to the one existing at runtime. ### Branded string primitives - Created `EncryptedString` and `PlaintextString` as hard nominal brands using `z.string().brand(...)`, making them non-assignable to each other or to raw `string` - Created `isEncryptedString` type predicate to narrow `string` to `EncryptedString` based on the `enc:v2:` envelope prefix - Retyped `SecretEncryptionService`: `encryptVersioned` accepts `PlaintextString`, `decryptVersioned` returns `PlaintextString` ### Entity typing - Typed encrypted columns across entities: `SigningKeyEntity.privateKey`, `TwoFactorAuthenticationMethodEntity.secret`, `ApplicationRegistrationVariableEntity.encryptedValue`, `ApplicationVariableEntity.value` - Parameterized JSONB types for connected account connection parameters (`ImapSmtpCaldavParams<Pwd>`) with reusable aliases `EncryptedImapSmtpCaldavParams` / `DecryptedImapSmtpCaldavParams` - Typed DTOs (`CreateApplicationRegistrationVariableInput`, `UpdateApplicationRegistrationVariablePayload`, `UpdateApplicationVariableEntityInput`) with `PlaintextString` ### ApplicationVariable always-encrypt uniformization - Retyped `ApplicationVariableEntity.value` to `EncryptedString | ''` — all values are now encrypted regardless of `isSecret` - Updated `ApplicationVariableEntityService` to always encrypt on write and always decrypt on read - Simplified `UpdateApplicationVariableActionHandlerService` by removing conditional encrypt/decrypt-on-isSecret-toggle logic - Added slow instance command (`2.9.0`) to backfill-encrypt existing `isSecret=false` plaintext rows and tighten the `CHECK` constraint ### ConfigStorageService refactor - Split `convertAndSecureValue` (which used `any`) into two well-typed methods: `convertAndDecrypt` and `convertAndEncrypt` - Introduced `isSensitiveStringValue` type predicate to narrow values before encryption/decryption ### What's next - Typeorm entity derivation to strictly type sitemap configuration as code + handler logic for encryption rotation - https://github.com/twentyhq/core-team-issues/issues/2465
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