1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798
import { flattenedDecrypt } from '../flattened/decrypt.ts'import { JWEInvalid } from '../../util/errors.ts'import { decoder } from '../../lib/buffer_utils.ts'import type {  KeyLike,  DecryptOptions,  CompactJWEHeaderParameters,  GetKeyFunction,  FlattenedJWE,  CompactDecryptResult,  ResolvedKey,} from '../../types.d.ts'
/** * Interface for Compact JWE Decryption dynamic key resolution. * No token components have been verified at the time of this function call. */export interface CompactDecryptGetKey  extends GetKeyFunction<CompactJWEHeaderParameters, FlattenedJWE> {}
/** * Decrypts a Compact JWE. * * @param jwe Compact JWE. * @param key Private Key or Secret to decrypt the JWE with. * @param options JWE Decryption options. * * @example Usage * ```js * const jwe = 'eyJhbGciOiJSU0EtT0FFUC0yNTYiLCJlbmMiOiJBMjU2R0NNIn0.nyQ19eq9ogh9wA7fFtnI2oouzy5_8b5DeLkoRMfi2yijgfTs2zEnayCEofz_qhnL-nwszabd9qUeHv0-IwvhhJJS7GUJOU3ikiIe42qcIAFme1A_Fo9CTxw4XTOy-I5qanl8So91u6hwfyN1VxAqVLsSE7_23EC-gfGEg_5znew9PyXXsOIE-K_HH7IQowRrlZ1X_bM_Liu53RzDpLDvRz59mp3S8L56YqpM8FexFGTGpEaoTcEIst375qncYt3-79IVR7gZN1RWsWgjPatfvVbnh74PglQcATSf3UUhaW0OAKn6q7r3PDx6DIKQ35bgHQg5QopuN00eIfLQL2trGw.W3grIVj5HVuAb76X.6PcuDe5D6ttWFYyv0oqqdDXfI2R8wBg1F2Q80UUA_Gv8eEimNWfxIWdLxrjzgQGSvIhxmFKuLM0.a93_Ug3uZHuczj70Zavx8Q' * * const { plaintext, protectedHeader } = await jose.compactDecrypt(jwe, privateKey) * * console.log(protectedHeader) * console.log(new TextDecoder().decode(plaintext)) * ``` */export async function compactDecrypt(  jwe: string | Uint8Array,  key: KeyLike | Uint8Array,  options?: DecryptOptions,): Promise<CompactDecryptResult>/** * @param jwe Compact JWE. * @param getKey Function resolving Private Key or Secret to decrypt the JWE with. * @param options JWE Decryption options. */export async function compactDecrypt(  jwe: string | Uint8Array,  getKey: CompactDecryptGetKey,  options?: DecryptOptions,): Promise<CompactDecryptResult & ResolvedKey>export async function compactDecrypt(  jwe: string | Uint8Array,  key: KeyLike | Uint8Array | CompactDecryptGetKey,  options?: DecryptOptions,) {  if (jwe instanceof Uint8Array) {    jwe = decoder.decode(jwe)  }
  if (typeof jwe !== 'string') {    throw new JWEInvalid('Compact JWE must be a string or Uint8Array')  }  const {    0: protectedHeader,    1: encryptedKey,    2: iv,    3: ciphertext,    4: tag,    length,  } = jwe.split('.')
  if (length !== 5) {    throw new JWEInvalid('Invalid Compact JWE')  }
  const decrypted = await flattenedDecrypt(    {      ciphertext,      iv: <string>(iv || undefined),      protected: protectedHeader || undefined,      tag: <string>(tag || undefined),      encrypted_key: encryptedKey || undefined,    },    <Parameters<typeof flattenedDecrypt>[1]>key,    options,  )
  const result = { plaintext: decrypted.plaintext, protectedHeader: decrypted.protectedHeader! }
  if (typeof key === 'function') {    return { ...result, key: decrypted.key }  }
  return result}