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Operator004.ts
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Operator004.ts
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import {
CreateDecryptedItemFromPayload,
ItemContent,
ItemsKeyInterface,
PayloadTimestampDefaults,
DecryptedPayload,
DecryptedPayloadInterface,
KeySystemItemsKeyInterface,
KeySystemRootKeyInterface,
FillItemContentSpecialized,
ItemsKeyContentSpecialized,
KeySystemIdentifier,
RootKeyInterface,
KeySystemRootKeyParamsInterface,
PortablePublicKeySet,
} from '@standardnotes/models'
import { KeyParamsOrigination, ProtocolVersion } from '@standardnotes/common'
import { HexString, PkcKeyPair, PureCryptoInterface, Utf8String } from '@standardnotes/sncrypto-common'
import { V004Algorithm } from '../../Algorithm'
import { SNRootKeyParams } from '../../Keys/RootKey/RootKeyParams'
import {
EncryptedInputParameters,
EncryptedOutputParameters,
ErrorDecryptingParameters,
} from '../../Types/EncryptedParameters'
import { DecryptedParameters } from '../../Types/DecryptedParameters'
import { ItemAuthenticatedData } from '../../Types/ItemAuthenticatedData'
import { LegacyAttachedData } from '../../Types/LegacyAttachedData'
import { RootKeyEncryptedAuthenticatedData } from '../../Types/RootKeyEncryptedAuthenticatedData'
import { OperatorInterface } from '../OperatorInterface/OperatorInterface'
import { AsymmetricallyEncryptedString } from '../Types/Types'
import { AsymmetricItemAdditionalData } from '../../Types/EncryptionAdditionalData'
import { V004AsymmetricStringComponents } from './V004AlgorithmTypes'
import { AsymmetricEncrypt004 } from './UseCase/Asymmetric/AsymmetricEncrypt'
import { ParseConsistentBase64JsonPayloadUseCase } from './UseCase/Utils/ParseConsistentBase64JsonPayload'
import { AsymmetricDecrypt004 } from './UseCase/Asymmetric/AsymmetricDecrypt'
import { GenerateDecryptedParametersUseCase } from './UseCase/Symmetric/GenerateDecryptedParameters'
import { GenerateEncryptedParametersUseCase } from './UseCase/Symmetric/GenerateEncryptedParameters'
import { DeriveRootKeyUseCase } from './UseCase/RootKey/DeriveRootKey'
import { GetPayloadAuthenticatedDataDetachedUseCase } from './UseCase/Symmetric/GetPayloadAuthenticatedDataDetached'
import { CreateRootKeyUseCase } from './UseCase/RootKey/CreateRootKey'
import { UuidGenerator } from '@standardnotes/utils'
import { CreateKeySystemItemsKeyUseCase } from './UseCase/KeySystem/CreateKeySystemItemsKey'
import { AsymmetricDecryptResult } from '../Types/AsymmetricDecryptResult'
import { CreateRandomKeySystemRootKey } from './UseCase/KeySystem/CreateRandomKeySystemRootKey'
import { CreateUserInputKeySystemRootKey } from './UseCase/KeySystem/CreateUserInputKeySystemRootKey'
import { AsymmetricSignatureVerificationDetachedResult } from '../Types/AsymmetricSignatureVerificationDetachedResult'
import { AsymmetricSignatureVerificationDetached004 } from './UseCase/Asymmetric/AsymmetricSignatureVerificationDetached'
import { DeriveKeySystemRootKeyUseCase } from './UseCase/KeySystem/DeriveKeySystemRootKey'
import { SyncOperatorInterface } from '../OperatorInterface/SyncOperatorInterface'
import { ContentType, Result } from '@standardnotes/domain-core'
import { AsymmetricStringGetAdditionalData004 } from './UseCase/Asymmetric/AsymmetricStringGetAdditionalData'
import { AsymmetricDecryptOwnMessage004 } from './UseCase/Asymmetric/AsymmetricDecryptOwnMessage'
export class SNProtocolOperator004 implements OperatorInterface, SyncOperatorInterface {
constructor(protected readonly crypto: PureCryptoInterface) {}
public getEncryptionDisplayName(): string {
return 'XChaCha20-Poly1305'
}
get version(): ProtocolVersion {
return ProtocolVersion.V004
}
private generateNewItemsKeyContent() {
const itemsKey = this.crypto.generateRandomKey(V004Algorithm.EncryptionKeyLength)
const response = FillItemContentSpecialized<ItemsKeyContentSpecialized>({
itemsKey: itemsKey,
version: ProtocolVersion.V004,
})
return response
}
/**
* Creates a new random items key to use for item encryption.
* The consumer must save/sync this item.
*/
public createItemsKey(): ItemsKeyInterface {
const payload = new DecryptedPayload({
uuid: UuidGenerator.GenerateUuid(),
content_type: ContentType.TYPES.ItemsKey,
content: this.generateNewItemsKeyContent(),
key_system_identifier: undefined,
shared_vault_uuid: undefined,
...PayloadTimestampDefaults(),
})
return CreateDecryptedItemFromPayload(payload)
}
createRandomizedKeySystemRootKey(dto: { systemIdentifier: KeySystemIdentifier }): KeySystemRootKeyInterface {
const usecase = new CreateRandomKeySystemRootKey(this.crypto)
return usecase.execute(dto)
}
createUserInputtedKeySystemRootKey(dto: {
systemIdentifier: KeySystemIdentifier
userInputtedPassword: string
}): KeySystemRootKeyInterface {
const usecase = new CreateUserInputKeySystemRootKey(this.crypto)
return usecase.execute(dto)
}
deriveUserInputtedKeySystemRootKey(dto: {
keyParams: KeySystemRootKeyParamsInterface
userInputtedPassword: string
}): KeySystemRootKeyInterface {
const usecase = new DeriveKeySystemRootKeyUseCase(this.crypto)
return usecase.execute({
keyParams: dto.keyParams,
password: dto.userInputtedPassword,
})
}
public createKeySystemItemsKey(
uuid: string,
keySystemIdentifier: KeySystemIdentifier,
sharedVaultUuid: string | undefined,
rootKeyToken: string,
): KeySystemItemsKeyInterface {
const usecase = new CreateKeySystemItemsKeyUseCase(this.crypto)
return usecase.execute({ uuid, keySystemIdentifier, sharedVaultUuid, rootKeyToken })
}
public async computeRootKey<K extends RootKeyInterface>(
password: Utf8String,
keyParams: SNRootKeyParams,
): Promise<K> {
const usecase = new DeriveRootKeyUseCase(this.crypto)
return usecase.execute(password, keyParams)
}
public async createRootKey<K extends RootKeyInterface>(
identifier: string,
password: Utf8String,
origination: KeyParamsOrigination,
): Promise<K> {
const usecase = new CreateRootKeyUseCase(this.crypto)
return usecase.execute(identifier, password, origination)
}
public getPayloadAuthenticatedDataForExternalUse(
encrypted: EncryptedOutputParameters,
): RootKeyEncryptedAuthenticatedData | ItemAuthenticatedData | LegacyAttachedData | undefined {
const usecase = new GetPayloadAuthenticatedDataDetachedUseCase(this.crypto)
return usecase.execute(encrypted)
}
public generateEncryptedParameters(
payload: DecryptedPayloadInterface,
key: ItemsKeyInterface | KeySystemItemsKeyInterface | KeySystemRootKeyInterface | RootKeyInterface,
signingKeyPair?: PkcKeyPair,
): EncryptedOutputParameters {
const usecase = new GenerateEncryptedParametersUseCase(this.crypto)
return usecase.execute(payload, key, signingKeyPair)
}
public generateDecryptedParameters<C extends ItemContent = ItemContent>(
encrypted: EncryptedInputParameters,
key: ItemsKeyInterface | KeySystemItemsKeyInterface | KeySystemRootKeyInterface | RootKeyInterface,
): DecryptedParameters<C> | ErrorDecryptingParameters {
const usecase = new GenerateDecryptedParametersUseCase(this.crypto)
return usecase.execute(encrypted, key)
}
public asymmetricEncrypt(dto: {
stringToEncrypt: Utf8String
senderKeyPair: PkcKeyPair
senderSigningKeyPair: PkcKeyPair
recipientPublicKey: HexString
}): AsymmetricallyEncryptedString {
const usecase = new AsymmetricEncrypt004(this.crypto)
return usecase.execute(dto)
}
asymmetricDecrypt(dto: {
stringToDecrypt: AsymmetricallyEncryptedString
recipientSecretKey: HexString
}): AsymmetricDecryptResult | null {
const usecase = new AsymmetricDecrypt004(this.crypto)
return usecase.execute(dto)
}
asymmetricDecryptOwnMessage(dto: {
message: AsymmetricallyEncryptedString
ownPrivateKey: HexString
recipientPublicKey: HexString
}): Result<AsymmetricDecryptResult> {
const usecase = new AsymmetricDecryptOwnMessage004(this.crypto)
return usecase.execute(dto)
}
asymmetricSignatureVerifyDetached(
encryptedString: AsymmetricallyEncryptedString,
): AsymmetricSignatureVerificationDetachedResult {
const usecase = new AsymmetricSignatureVerificationDetached004(this.crypto)
return usecase.execute({ encryptedString })
}
asymmetricStringGetAdditionalData(dto: {
encryptedString: AsymmetricallyEncryptedString
}): Result<AsymmetricItemAdditionalData> {
const usecase = new AsymmetricStringGetAdditionalData004(this.crypto)
return usecase.execute(dto)
}
getSenderPublicKeySetFromAsymmetricallyEncryptedString(string: AsymmetricallyEncryptedString): PortablePublicKeySet {
const [_, __, ___, additionalDataString] = <V004AsymmetricStringComponents>string.split(':')
const parseBase64Usecase = new ParseConsistentBase64JsonPayloadUseCase(this.crypto)
const additionalData = parseBase64Usecase.execute<AsymmetricItemAdditionalData>(additionalDataString)
return {
encryption: additionalData.senderPublicKey,
signing: additionalData.signingData.publicKey,
}
}
versionForAsymmetricallyEncryptedString(string: string): ProtocolVersion {
const [versionPrefix] = <V004AsymmetricStringComponents>string.split(':')
const version = versionPrefix.split('_')[0]
return version as ProtocolVersion
}
}