clients/libs/common/src/vault/abstractions/cipher-encryption.service.ts
2025-12-02 16:13:34 -05:00

105 lines
3.8 KiB
TypeScript

import { UserKey } from "@bitwarden/common/types/key";
import { EncryptionContext } from "@bitwarden/common/vault/abstractions/cipher.service";
import { CipherListView } from "@bitwarden/sdk-internal";
import { UserId, OrganizationId } from "../../types/guid";
import { Cipher } from "../models/domain/cipher";
import { AttachmentView } from "../models/view/attachment.view";
import { CipherView } from "../models/view/cipher.view";
/**
* Service responsible for encrypting and decrypting ciphers.
*/
export abstract class CipherEncryptionService {
/**
* Encrypts a cipher using the SDK for the given userId.
* @param model The cipher view to encrypt
* @param userId The user ID to initialize the SDK client with
*
* @returns A promise that resolves to the encryption context, or undefined if encryption fails
*/
abstract encrypt(model: CipherView, userId: UserId): Promise<EncryptionContext | undefined>;
/**
* Move the cipher to the specified organization by re-encrypting its keys with the organization's key.
* The cipher.organizationId will be updated to the new organizationId.
* @param model The cipher view to move to the organization
* @param organizationId The ID of the organization to move the cipher to
* @param userId The user ID to initialize the SDK client with
*/
abstract moveToOrganization(
model: CipherView,
organizationId: OrganizationId,
userId: UserId,
): Promise<EncryptionContext | undefined>;
/**
* Encrypts a cipher for a given userId with a new key for key rotation.
* @param model The cipher view to encrypt
* @param userId The user ID to initialize the SDK client with
* @param newKey The new key to use for re-encryption
*/
abstract encryptCipherForRotation(
model: CipherView,
userId: UserId,
newKey: UserKey,
): Promise<EncryptionContext | undefined>;
/**
* Decrypts a cipher using the SDK for the given userId.
*
* @param cipher The encrypted cipher object
* @param userId The user ID whose key will be used for decryption
*
* @returns A promise that resolves to the decrypted cipher view
*/
abstract decrypt(cipher: Cipher, userId: UserId): Promise<CipherView>;
/**
* Decrypts many ciphers using the SDK for the given userId.
*
* For bulk decryption, prefer using `decryptMany`, which returns a more efficient
* `CipherListView` object.
*
* @param ciphers The encrypted cipher objects
* @param userId The user ID whose key will be used for decryption
*
* @deprecated Use `decryptMany` for bulk decryption instead.
*
* @returns A promise that resolves to an array of decrypted cipher views
*/
abstract decryptManyLegacy(
ciphers: Cipher[],
userId: UserId,
): Promise<[CipherView[], CipherView[]]>;
/**
* Decrypts many ciphers using the SDK for the given userId, and returns a list of
* failures.
*
* @param ciphers The encrypted cipher objects
* @param userId The user ID whose key will be used for decryption
*
* @returns A promise that resolves to a tuple containing an array of decrypted
* cipher list views, and an array of ciphers that failed to decrypt.
*/
abstract decryptManyWithFailures(
ciphers: Cipher[],
userId: UserId,
): Promise<[CipherListView[], Cipher[]]>;
/**
* Decrypts an attachment's content from a response object.
*
* @param cipher The encrypted cipher object that owns the attachment
* @param attachment The attachment view object
* @param encryptedContent The encrypted content of the attachment
* @param userId The user ID whose key will be used for decryption
*
* @returns A promise that resolves to the decrypted content
*/
abstract decryptAttachmentContent(
cipher: Cipher,
attachment: AttachmentView,
encryptedContent: Uint8Array,
userId: UserId,
): Promise<Uint8Array>;
}