var __defProp = Object.defineProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};

// dist/webapi/lib/buffer_utils.js
var encoder = new TextEncoder();
var decoder = new TextDecoder();
var strictDecoder = new TextDecoder("utf-8", { fatal: true });
var MAX_INT32 = 2 ** 32;
function concat(...buffers) {
  const size = buffers.reduce((acc, { length }) => acc + length, 0);
  const buf = new Uint8Array(size);
  let i = 0;
  for (const buffer of buffers) {
    buf.set(buffer, i);
    i += buffer.length;
  }
  return buf;
}
function writeUInt32BE(buf, value, offset) {
  if (value < 0 || value >= MAX_INT32) {
    throw new RangeError(`value must be >= 0 and <= ${MAX_INT32 - 1}. Received ${value}`);
  }
  buf.set([value >>> 24, value >>> 16, value >>> 8, value & 255], offset);
}
function uint64be(value) {
  const high = Math.floor(value / MAX_INT32);
  const low = value % MAX_INT32;
  const buf = new Uint8Array(8);
  writeUInt32BE(buf, high, 0);
  writeUInt32BE(buf, low, 4);
  return buf;
}
function uint32be(value) {
  const buf = new Uint8Array(4);
  writeUInt32BE(buf, value);
  return buf;
}
function encode(string) {
  const bytes = new Uint8Array(string.length);
  for (let i = 0; i < string.length; i++) {
    const code = string.charCodeAt(i);
    if (code > 127) {
      throw new TypeError("non-ASCII string encountered in encode()");
    }
    bytes[i] = code;
  }
  return bytes;
}

// dist/webapi/lib/crypto_key.js
var unusable = (name, prop = "algorithm.name") => new TypeError(`CryptoKey does not support this operation, its ${prop} must be ${name}`);
function checkUsage(key, usage) {
  if (usage && !key.usages.includes(usage)) {
    throw new TypeError(`CryptoKey does not support this operation, its usages must include ${usage}.`);
  }
}
function checkModulusLength(alg, key) {
  const { modulusLength } = key.algorithm;
  if (typeof modulusLength !== "number" || modulusLength < 2048) {
    throw new TypeError(`${alg} requires key modulusLength to be 2048 bits or larger`);
  }
}
function checkCryptoKey(key, expected, usage) {
  const algorithm = key.algorithm;
  if (algorithm.name !== expected.name) {
    throw unusable(expected.name);
  }
  if (expected.hash && algorithm.hash?.name !== expected.hash) {
    throw unusable(expected.hash, "algorithm.hash");
  }
  if (expected.namedCurve && algorithm.namedCurve !== expected.namedCurve) {
    throw unusable(expected.namedCurve, "algorithm.namedCurve");
  }
  if (expected.length !== void 0 && algorithm.length !== expected.length) {
    throw unusable(expected.length, "algorithm.length");
  }
  checkUsage(key, usage);
}

// dist/webapi/lib/invalid_key_input.js
function message(msg, actual, ...types) {
  if (types.length > 2) {
    const last = types.pop();
    msg += `one of type ${types.join(", ")}, or ${last}.`;
  } else if (types.length === 2) {
    msg += `one of type ${types[0]} or ${types[1]}.`;
  } else {
    msg += `of type ${types[0]}.`;
  }
  if (actual == null) {
    msg += ` Received ${actual}`;
  } else if (typeof actual === "function" && actual.name) {
    msg += ` Received function ${actual.name}`;
  } else if (typeof actual === "object" && actual != null) {
    if (actual.constructor?.name) {
      msg += ` Received an instance of ${actual.constructor.name}`;
    }
  }
  return msg;
}
var invalidKeyInput = (actual, ...types) => message("Key must be ", actual, ...types);
var withAlg = (alg, actual, ...types) => message(`Key for the ${alg} algorithm must be `, actual, ...types);

// dist/webapi/util/errors.js
var errors_exports = {};
__export(errors_exports, {
  JOSEAlgNotAllowed: () => JOSEAlgNotAllowed,
  JOSEError: () => JOSEError,
  JOSENotSupported: () => JOSENotSupported,
  JWEDecryptionFailed: () => JWEDecryptionFailed,
  JWEInvalid: () => JWEInvalid,
  JWKInvalid: () => JWKInvalid,
  JWKSInvalid: () => JWKSInvalid,
  JWKSMultipleMatchingKeys: () => JWKSMultipleMatchingKeys,
  JWKSNoMatchingKey: () => JWKSNoMatchingKey,
  JWKSTimeout: () => JWKSTimeout,
  JWSInvalid: () => JWSInvalid,
  JWSSignatureVerificationFailed: () => JWSSignatureVerificationFailed,
  JWTClaimValidationFailed: () => JWTClaimValidationFailed,
  JWTExpired: () => JWTExpired,
  JWTInvalid: () => JWTInvalid
});
var JOSEError = class extends Error {
  static code = "ERR_JOSE_GENERIC";
  code = "ERR_JOSE_GENERIC";
  constructor(message2, options) {
    super(message2, options);
    this.name = this.constructor.name;
    Error.captureStackTrace?.(this, this.constructor);
  }
};
var JWTClaimValidationFailed = class extends JOSEError {
  static code = "ERR_JWT_CLAIM_VALIDATION_FAILED";
  code = "ERR_JWT_CLAIM_VALIDATION_FAILED";
  claim;
  reason;
  payload;
  constructor(message2, payload, claim = "unspecified", reason = "unspecified") {
    super(message2, { cause: { claim, reason, payload } });
    this.claim = claim;
    this.reason = reason;
    this.payload = payload;
  }
};
var JWTExpired = class extends JOSEError {
  static code = "ERR_JWT_EXPIRED";
  code = "ERR_JWT_EXPIRED";
  claim;
  reason;
  payload;
  constructor(message2, payload, claim = "unspecified", reason = "unspecified") {
    super(message2, { cause: { claim, reason, payload } });
    this.claim = claim;
    this.reason = reason;
    this.payload = payload;
  }
};
var JOSEAlgNotAllowed = class extends JOSEError {
  static code = "ERR_JOSE_ALG_NOT_ALLOWED";
  code = "ERR_JOSE_ALG_NOT_ALLOWED";
};
var JOSENotSupported = class extends JOSEError {
  static code = "ERR_JOSE_NOT_SUPPORTED";
  code = "ERR_JOSE_NOT_SUPPORTED";
};
var JWEDecryptionFailed = class extends JOSEError {
  static code = "ERR_JWE_DECRYPTION_FAILED";
  code = "ERR_JWE_DECRYPTION_FAILED";
  constructor(message2 = "decryption operation failed", options) {
    super(message2, options);
  }
};
var JWEInvalid = class extends JOSEError {
  static code = "ERR_JWE_INVALID";
  code = "ERR_JWE_INVALID";
};
var JWSInvalid = class extends JOSEError {
  static code = "ERR_JWS_INVALID";
  code = "ERR_JWS_INVALID";
};
var JWTInvalid = class extends JOSEError {
  static code = "ERR_JWT_INVALID";
  code = "ERR_JWT_INVALID";
};
var JWKInvalid = class extends JOSEError {
  static code = "ERR_JWK_INVALID";
  code = "ERR_JWK_INVALID";
};
var JWKSInvalid = class extends JOSEError {
  static code = "ERR_JWKS_INVALID";
  code = "ERR_JWKS_INVALID";
};
var JWKSNoMatchingKey = class extends JOSEError {
  static code = "ERR_JWKS_NO_MATCHING_KEY";
  code = "ERR_JWKS_NO_MATCHING_KEY";
  constructor(message2 = "no applicable key found in the JSON Web Key Set", options) {
    super(message2, options);
  }
};
var JWKSMultipleMatchingKeys = class extends JOSEError {
  [Symbol.asyncIterator] = async function* () {
  };
  static code = "ERR_JWKS_MULTIPLE_MATCHING_KEYS";
  code = "ERR_JWKS_MULTIPLE_MATCHING_KEYS";
  constructor(message2 = "multiple matching keys found in the JSON Web Key Set", options) {
    super(message2, options);
  }
};
var JWKSTimeout = class extends JOSEError {
  static code = "ERR_JWKS_TIMEOUT";
  code = "ERR_JWKS_TIMEOUT";
  constructor(message2 = "request timed out", options) {
    super(message2, options);
  }
};
var JWSSignatureVerificationFailed = class extends JOSEError {
  static code = "ERR_JWS_SIGNATURE_VERIFICATION_FAILED";
  code = "ERR_JWS_SIGNATURE_VERIFICATION_FAILED";
  constructor(message2 = "signature verification failed", options) {
    super(message2, options);
  }
};

// dist/webapi/lib/is_key_like.js
function assertCryptoKey(key) {
  if (!isCryptoKey(key)) {
    throw new Error("CryptoKey instance expected");
  }
}
var isCryptoKey = (key) => {
  if (key?.[Symbol.toStringTag] === "CryptoKey")
    return true;
  try {
    return key instanceof CryptoKey;
  } catch {
    return false;
  }
};
var isKeyObject = (key) => key?.[Symbol.toStringTag] === "KeyObject";
var isKeyLike = (key) => isCryptoKey(key) || isKeyObject(key);

// dist/webapi/lib/content_encryption.js
var generateCek = (enc) => crypto.getRandomValues(new Uint8Array(enc.cekBits >> 3));
function checkCekLength(cek, expected) {
  const actual = cek.byteLength << 3;
  if (actual !== expected) {
    throw new JWEInvalid(`Invalid Content Encryption Key length. Expected ${expected} bits, got ${actual} bits`);
  }
}
var generateIv = (enc) => crypto.getRandomValues(new Uint8Array(enc.ivBits >> 3));
function checkIvLength(enc, iv) {
  if (iv.length << 3 !== enc.ivBits) {
    throw new JWEInvalid("Invalid Initialization Vector length");
  }
}
async function cbcKeySetup(enc, cek, usage) {
  if (!(cek instanceof Uint8Array)) {
    throw new TypeError(invalidKeyInput(cek, "Uint8Array"));
  }
  const keySize = enc.cekBits >> 1;
  const encKey = await crypto.subtle.importKey("raw", cek.subarray(keySize >> 3), "AES-CBC", false, [usage]);
  const macKey = await crypto.subtle.importKey("raw", cek.subarray(0, keySize >> 3), {
    hash: `SHA-${keySize << 1}`,
    name: "HMAC"
  }, false, ["sign"]);
  return [encKey, macKey, keySize];
}
async function cbcHmacTag(macKey, macData, keySize) {
  return new Uint8Array((await crypto.subtle.sign("HMAC", macKey, macData)).slice(0, keySize >> 3));
}
async function cbcEncrypt(enc, plaintext, cek, iv, aad) {
  const [encKey, macKey, keySize] = await cbcKeySetup(enc, cek, "encrypt");
  const ciphertext = new Uint8Array(await crypto.subtle.encrypt({
    iv,
    name: "AES-CBC"
  }, encKey, plaintext));
  const macData = concat(aad, iv, ciphertext, uint64be(aad.length * 8));
  const tag2 = await cbcHmacTag(macKey, macData, keySize);
  return { ciphertext, tag: tag2, iv };
}
async function timingSafeEqual(a, b) {
  const algorithm = { name: "HMAC", hash: "SHA-256" };
  const key = await crypto.subtle.generateKey(algorithm, false, ["sign", "verify"]);
  const aHmac = await crypto.subtle.sign(algorithm, key, a);
  return crypto.subtle.verify(algorithm, key, aHmac, b);
}
async function cbcDecrypt(enc, cek, ciphertext, iv, tag2, aad) {
  const [encKey, macKey, keySize] = await cbcKeySetup(enc, cek, "decrypt");
  const macData = concat(aad, iv, ciphertext, uint64be(aad.length * 8));
  const expectedTag = await cbcHmacTag(macKey, macData, keySize);
  try {
    if (await timingSafeEqual(tag2, expectedTag)) {
      return new Uint8Array(await crypto.subtle.decrypt({ iv, name: "AES-CBC" }, encKey, ciphertext));
    }
  } catch {
  }
  throw new JWEDecryptionFailed();
}
async function gcmEncrypt(enc, plaintext, cek, iv, aad) {
  const encKey = cek instanceof Uint8Array ? await crypto.subtle.importKey("raw", cek, "AES-GCM", false, [
    "encrypt"
  ]) : (checkCryptoKey(cek, enc.subtle, "encrypt"), cek);
  const encrypted = new Uint8Array(await crypto.subtle.encrypt({
    additionalData: aad,
    iv,
    name: "AES-GCM",
    tagLength: 128
  }, encKey, plaintext));
  const tag2 = encrypted.slice(-16);
  const ciphertext = encrypted.slice(0, -16);
  return { ciphertext, tag: tag2, iv };
}
async function gcmDecrypt(enc, cek, ciphertext, iv, tag2, aad) {
  const encKey = cek instanceof Uint8Array ? await crypto.subtle.importKey("raw", cek, "AES-GCM", false, [
    "decrypt"
  ]) : (checkCryptoKey(cek, enc.subtle, "decrypt"), cek);
  try {
    return new Uint8Array(await crypto.subtle.decrypt({
      additionalData: aad,
      iv,
      name: "AES-GCM",
      tagLength: 128
    }, encKey, concat(ciphertext, tag2)));
  } catch {
    throw new JWEDecryptionFailed();
  }
}
async function encrypt(enc, plaintext, cek, iv, aad) {
  if (!isCryptoKey(cek) && !(cek instanceof Uint8Array)) {
    throw new TypeError(invalidKeyInput(cek, "CryptoKey", "KeyObject", "Uint8Array", "JSON Web Key"));
  }
  if (iv) {
    checkIvLength(enc, iv);
  } else {
    iv = generateIv(enc);
  }
  if (cek instanceof Uint8Array) {
    checkCekLength(cek, enc.cekBits);
  }
  return enc.cbc ? cbcEncrypt(enc, plaintext, cek, iv, aad) : gcmEncrypt(enc, plaintext, cek, iv, aad);
}
async function decrypt(enc, cek, ciphertext, iv, tag2, aad) {
  if (!isCryptoKey(cek) && !(cek instanceof Uint8Array)) {
    throw new TypeError(invalidKeyInput(cek, "CryptoKey", "KeyObject", "Uint8Array", "JSON Web Key"));
  }
  if (!iv) {
    throw new JWEInvalid("JWE Initialization Vector missing");
  }
  if (!tag2) {
    throw new JWEInvalid("JWE Authentication Tag missing");
  }
  if (!enc.cbc && tag2.length !== 16) {
    throw new JWEInvalid("Invalid Authentication Tag length");
  }
  checkIvLength(enc, iv);
  if (cek instanceof Uint8Array) {
    checkCekLength(cek, enc.cekBits);
  }
  return enc.cbc ? cbcDecrypt(enc, cek, ciphertext, iv, tag2, aad) : gcmDecrypt(enc, cek, ciphertext, iv, tag2, aad);
}

// dist/webapi/util/base64url.js
var base64url_exports = {};
__export(base64url_exports, {
  decode: () => decode,
  encode: () => encode2
});

// dist/webapi/lib/base64.js
function encodeBase64(input) {
  if (Uint8Array.prototype.toBase64) {
    return input.toBase64();
  }
  const CHUNK_SIZE = 32768;
  const arr = [];
  for (let i = 0; i < input.length; i += CHUNK_SIZE) {
    arr.push(String.fromCharCode.apply(null, input.subarray(i, i + CHUNK_SIZE)));
  }
  return btoa(arr.join(""));
}
function decodeBase64(encoded) {
  if (Uint8Array.fromBase64) {
    return Uint8Array.fromBase64(encoded);
  }
  const binary = atob(encoded);
  const bytes = new Uint8Array(binary.length);
  for (let i = 0; i < binary.length; i++) {
    bytes[i] = binary.charCodeAt(i);
  }
  return bytes;
}

// dist/webapi/util/base64url.js
var invalid = "The input to be decoded is not correctly encoded.";
function decode(input) {
  if (Uint8Array.fromBase64) {
    try {
      return Uint8Array.fromBase64(typeof input === "string" ? input : decoder.decode(input), {
        alphabet: "base64url"
      });
    } catch (cause) {
      throw new TypeError(invalid, { cause });
    }
  }
  let encoded = input;
  if (encoded instanceof Uint8Array) {
    encoded = decoder.decode(encoded);
  }
  if (encoded.includes("+") || encoded.includes("/")) {
    throw new TypeError(invalid);
  }
  encoded = encoded.replace(/-/g, "+").replace(/_/g, "/");
  try {
    return decodeBase64(encoded);
  } catch {
    throw new TypeError(invalid);
  }
}
function encode2(input) {
  let unencoded = input;
  if (typeof unencoded === "string") {
    unencoded = encoder.encode(unencoded);
  }
  if (Uint8Array.prototype.toBase64) {
    return unencoded.toBase64({ alphabet: "base64url", omitPadding: true });
  }
  return encodeBase64(unencoded).replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
}

// dist/webapi/lib/type_checks.js
function assertUint8Array(input, label) {
  if (!(input instanceof Uint8Array)) {
    throw new TypeError(`${label} must be an instance of Uint8Array`);
  }
}
function isObject(input) {
  if (typeof input !== "object" || input === null || Object.prototype.toString.call(input) !== "[object Object]") {
    return false;
  }
  const prototype = Object.getPrototypeOf(input);
  return prototype === null || Object.getPrototypeOf(prototype) === null;
}
function isJwkSet(input) {
  return isObject(input) && Array.isArray(input.keys) && Array.from(input.keys).every(isObject);
}
function isDisjoint(...headers) {
  const parameters = /* @__PURE__ */ new Set();
  for (const header of headers) {
    if (!header)
      continue;
    for (const parameter of Object.keys(header)) {
      if (parameters.has(parameter)) {
        return false;
      }
      parameters.add(parameter);
    }
  }
  return true;
}

// dist/webapi/lib/helpers.js
var unprotected = /* @__PURE__ */ Symbol();
function assertNotSet(value, name) {
  if (value !== void 0) {
    throw new TypeError(`${name} can only be called once`);
  }
}
function decodeBase64url(value, label, ErrorClass) {
  try {
    return decode(value);
  } catch {
    throw new ErrorClass(`Failed to base64url decode the ${label}`);
  }
}
function encodeBase64url(value, label, ErrorClass) {
  try {
    return encode(value);
  } catch {
    throw new ErrorClass(`The ${label} is not a valid base64url string`);
  }
}
async function digest(algorithm, data) {
  const subtleDigest = `SHA-${algorithm.slice(-3)}`;
  return new Uint8Array(await crypto.subtle.digest(subtleDigest, data));
}
function parseJoseHeader(b64, ErrorClass, message2) {
  let parsed;
  try {
    parsed = JSON.parse(strictDecoder.decode(decode(b64)));
  } catch {
    throw new ErrorClass(message2);
  }
  if (!isObject(parsed)) {
    throw new ErrorClass(message2);
  }
  return parsed;
}

// dist/webapi/lib/jwk_to_key.js
async function jwkToKey(entry, jwk) {
  if (jwk.kty === "RSA" && "oth" in jwk && jwk.oth !== void 0) {
    throw new JOSENotSupported('RSA JWK "oth" (Other Primes Info) Parameter value is not supported');
  }
  if (!entry.kty.includes(jwk.kty)) {
    throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
  }
  const algorithm = entry.resolve?.({ kty: jwk.kty, crv: jwk.crv }) ?? entry.subtle;
  const isPrivate = !!(jwk.d || jwk.priv);
  const keyData = { ...jwk };
  if (keyData.kty !== "AKP") {
    delete keyData.alg;
  }
  delete keyData.use;
  return crypto.subtle.importKey("jwk", keyData, algorithm, jwk.ext ?? !isPrivate, jwk.key_ops ?? entry.usages[isPrivate ? 1 : 0]);
}

// dist/webapi/lib/jwk_metadata.js
function snapshotJwk(jwk) {
  return { __proto__: null, ...jwk };
}
function normalizeJwk(jwk) {
  const normalized = snapshotJwk(jwk);
  if (normalized.ext !== void 0 && typeof normalized.ext !== "boolean") {
    throw new TypeError('"ext" (Extractable) Parameter must be a boolean');
  }
  if (normalized.key_ops !== void 0) {
    const value = normalized.key_ops;
    const keyOps = Array.isArray(value) ? [...value] : void 0;
    if (!keyOps || keyOps.some((operation) => typeof operation !== "string") || new Set(keyOps).size !== keyOps.length) {
      throw new TypeError('"key_ops" (Key Operations) Parameter must be an array of unique strings');
    }
    normalized.key_ops = keyOps;
  }
  return normalized;
}

// dist/webapi/lib/key.js
var tag = (key) => key[Symbol.toStringTag];
var jwkMatchesOp = (entry, key, usage) => {
  const { alg } = entry;
  if (key.use !== void 0) {
    const expected = usage === "sign" || usage === "verify" ? "sig" : "enc";
    if (key.use !== expected) {
      throw new TypeError(`Invalid key for this operation, its "use" must be "${expected}" when present`);
    }
  }
  if (key.alg !== void 0 && key.alg !== alg) {
    throw new TypeError(`Invalid key for this operation, its "alg" must be "${alg}" when present`);
  }
  if (Array.isArray(key.key_ops)) {
    const expectedKeyOp = usage === "encrypt" || usage === "decrypt" ? entry.ops?.[usage === "encrypt" ? 0 : 1] : usage;
    if (expectedKeyOp && !key.key_ops.includes(expectedKeyOp)) {
      throw new TypeError(`Invalid key for this operation, its "key_ops" must include "${expectedKeyOp}" when present`);
    }
  }
};
function checkKeyType(entry, key, usage) {
  const { alg, secret } = entry;
  const privateKey = usage === "decrypt" || usage === "sign";
  if (secret && key instanceof Uint8Array)
    return [BYTES, key];
  if (isObject(key)) {
    const normalized = normalizeJwk(key);
    if (typeof normalized.kty !== "string") {
      throw new TypeError(secret ? withAlg(alg, key, "CryptoKey", "KeyObject", "JSON Web Key", "Uint8Array") : withAlg(alg, key, "CryptoKey", "KeyObject", "JSON Web Key"));
    }
    const valid = secret ? normalized.kty === "oct" && typeof normalized.k === "string" : normalized.kty !== "oct" && (privateKey ? normalized.kty === "AKP" && typeof normalized.priv === "string" || typeof normalized.d === "string" : normalized.d === void 0 && normalized.priv === void 0);
    if (!valid) {
      throw new TypeError(secret ? `JSON Web Key for symmetric algorithms must have JWK "kty" (Key Type) equal to "oct" and the JWK "k" (Key Value) present` : `JSON Web Key for this operation must be a ${privateKey ? "private" : "public"} JWK`);
    }
    jwkMatchesOp(entry, normalized, usage);
    return [JWK, key, normalized];
  }
  if (!isKeyLike(key)) {
    throw new TypeError(secret ? withAlg(alg, key, "CryptoKey", "KeyObject", "JSON Web Key", "Uint8Array") : withAlg(alg, key, "CryptoKey", "KeyObject", "JSON Web Key"));
  }
  if (secret) {
    if (key.type !== "secret") {
      throw new TypeError(`${tag(key)} instances for symmetric algorithms must be of type "secret"`);
    }
  } else {
    if (key.type === "secret") {
      throw new TypeError(`${tag(key)} instances for asymmetric algorithms must not be of type "secret"`);
    }
    const expectedType = privateKey ? "private" : "public";
    if ((key.type === "public" || key.type === "private") && key.type !== expectedType) {
      const operation = usage === "sign" ? "signing" : usage === "verify" ? "verifying" : `${usage.slice(0, -1)}tion`;
      throw new TypeError(`${tag(key)} instances for asymmetric algorithm ${operation} must be of type "${expectedType}"`);
    }
  }
  return isCryptoKey(key) ? [CRYPTO, key] : [KEYOBJECT, key];
}
var BYTES = 0;
var CRYPTO = 1;
var KEYOBJECT = 2;
var JWK = 3;
var cache;
var nist = {
  __proto__: null,
  prime256v1: "P-256",
  secp384r1: "P-384",
  secp521r1: "P-521"
};
function cached(key, alg, value) {
  cache ||= /* @__PURE__ */ new WeakMap();
  const entry = cache.get(key);
  if (value) {
    if (entry) {
      entry[alg] = value;
    } else {
      cache.set(key, { [alg]: value });
    }
  }
  return value ?? entry?.[alg];
}
var handleJWK = async (key, jwk, entry) => cached(key, entry.alg) ?? cached(key, entry.alg, await jwkToKey(entry, { ...jwk, alg: entry.alg }));
var handleKeyObject = (keyObject, entry) => {
  const hit = cached(keyObject, entry.alg);
  if (hit)
    return hit;
  const isPublic = keyObject.type === "public";
  const usages = entry.usages[isPublic ? 0 : 1];
  const { asymmetricKeyType } = keyObject;
  const crv = nist[keyObject.asymmetricKeyDetails?.namedCurve];
  const params = entry.resolve?.({ crv, asymmetricKeyType }) ?? entry.subtle;
  return cached(keyObject, entry.alg, keyObject.toCryptoKey(params, isPublic, usages));
};
async function prepareKey(entry, key, usage) {
  const tagged = checkKeyType(entry, key, usage);
  switch (tagged[0]) {
    case BYTES:
    case CRYPTO:
      return tagged[1];
    case JWK: {
      const key2 = tagged[1];
      const normalized = tagged[2];
      if (normalized.kty === "oct") {
        return decode(normalized.k);
      }
      if (!Object.isFrozen(key2)) {
        const { key_ops } = key2;
        if (Array.isArray(key_ops))
          Object.freeze(key_ops);
        Object.freeze(key2);
      }
      return handleJWK(key2, normalized, entry);
    }
    case KEYOBJECT: {
      const keyObject = tagged[1];
      if (keyObject.type === "secret") {
        return keyObject.export();
      }
      if ("toCryptoKey" in keyObject && typeof keyObject.toCryptoKey === "function") {
        return handleKeyObject(keyObject, entry);
      }
      return handleJWK(keyObject, keyObject.export({ format: "jwk" }), entry);
    }
  }
}

// dist/webapi/lib/key_descriptor.js
function table(entries) {
  const out = { __proto__: null };
  for (const alg in entries) {
    out[alg] = { ...entries[alg], alg };
  }
  return out;
}

// dist/webapi/lib/jwe_algorithms.js
var wrap = [
  ["encrypt", "wrapKey"],
  ["decrypt", "unwrapKey"]
];
var derive = [[], ["deriveBits"]];
var none = [[], []];
function rsaes(bits) {
  return {
    kty: ["RSA"],
    subtle: { name: "RSA-OAEP", hash: `SHA-${bits}` },
    usages: wrap,
    ops: ["wrapKey", "unwrapKey"]
  };
}
function ecdh() {
  return {
    kty: ["EC", "OKP"],
    subtle: { name: "ECDH" },
    resolve: ({ kty, crv, asymmetricKeyType }) => {
      if (crv === "X25519" || asymmetricKeyType === "x25519") {
        return { name: "X25519" };
      }
      if (kty === "OKP") {
        throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
      }
      return { name: "ECDH", namedCurve: crv };
    },
    usages: derive,
    ops: [void 0, "deriveBits"]
  };
}
function aeskw(bits, gcm = false) {
  return {
    kty: ["oct"],
    secret: true,
    subtle: { name: gcm ? "AES-GCM" : "AES-KW", length: bits },
    usages: none,
    ops: gcm ? ["encrypt", "decrypt"] : ["wrapKey", "unwrapKey"]
  };
}
function pbes2() {
  return {
    kty: ["oct"],
    secret: true,
    subtle: { name: "PBKDF2" },
    usages: none,
    ops: ["deriveBits", "deriveBits"]
  };
}
var JWE = table({
  dir: {
    kty: ["oct"],
    secret: true,
    subtle: { name: "AES-GCM" },
    usages: none,
    ops: ["encrypt", "decrypt"]
  },
  "RSA-OAEP": rsaes(1),
  "RSA-OAEP-256": rsaes(256),
  "RSA-OAEP-384": rsaes(384),
  "RSA-OAEP-512": rsaes(512),
  "ECDH-ES": ecdh(),
  "ECDH-ES+A128KW": ecdh(),
  "ECDH-ES+A192KW": ecdh(),
  "ECDH-ES+A256KW": ecdh(),
  A128KW: aeskw(128),
  A192KW: aeskw(192),
  A256KW: aeskw(256),
  A128GCMKW: aeskw(128, true),
  A192GCMKW: aeskw(192, true),
  A256GCMKW: aeskw(256, true),
  "PBES2-HS256+A128KW": pbes2(),
  "PBES2-HS384+A192KW": pbes2(),
  "PBES2-HS512+A256KW": pbes2()
});
var contentOps = ["encrypt", "decrypt"];
function contentEncryption(bits, cbc = false) {
  return {
    kty: ["oct"],
    secret: true,
    subtle: { name: cbc ? "AES-CBC" : "AES-GCM", length: bits },
    usages: none,
    ops: contentOps,
    cekBits: bits,
    ivBits: cbc ? 128 : 96,
    cbc
  };
}
var ENC = table({
  A128GCM: contentEncryption(128),
  A192GCM: contentEncryption(192),
  A256GCM: contentEncryption(256),
  "A128CBC-HS256": contentEncryption(256, true),
  "A192CBC-HS384": contentEncryption(384, true),
  "A256CBC-HS512": contentEncryption(512, true)
});
function unsupported(parameter, name) {
  throw new JOSENotSupported(`Invalid or unsupported "${parameter}" (JWE ${name}) header value`);
}
function jweAlgorithm(alg) {
  return (typeof alg === "string" ? JWE[alg] : void 0) ?? unsupported("alg", "Algorithm");
}
function jweEncryption(enc) {
  return (typeof enc === "string" ? ENC[enc] : void 0) ?? unsupported("enc", "Encryption Algorithm");
}

// dist/webapi/lib/key_management.js
function checkEcdhCryptoKey(key, usage) {
  if (key.algorithm.name !== "ECDH" && key.algorithm.name !== "X25519") {
    throw new TypeError("CryptoKey does not support this operation, its algorithm.name must be ECDH or X25519");
  }
  checkUsage(key, usage);
}
async function aeskwCryptoKey(key, alg, usage) {
  const expected = jweAlgorithm(alg).subtle;
  const cryptoKey = key instanceof Uint8Array ? await crypto.subtle.importKey("raw", key, "AES-KW", true, [
    usage
  ]) : key;
  checkCryptoKey(cryptoKey, expected, usage);
  return cryptoKey;
}
async function aeskwWrap(alg, key, cek) {
  const cryptoKey = await aeskwCryptoKey(key, alg, "wrapKey");
  const cryptoKeyCek = await crypto.subtle.importKey("raw", cek, { hash: "SHA-256", name: "HMAC" }, true, ["sign"]);
  return new Uint8Array(await crypto.subtle.wrapKey("raw", cryptoKeyCek, cryptoKey, "AES-KW"));
}
async function aeskwUnwrap(alg, key, encryptedKey) {
  const cryptoKey = await aeskwCryptoKey(key, alg, "unwrapKey");
  const cryptoKeyCek = await crypto.subtle.unwrapKey("raw", encryptedKey, cryptoKey, "AES-KW", { hash: "SHA-256", name: "HMAC" }, true, ["sign"]);
  return new Uint8Array(await crypto.subtle.exportKey("raw", cryptoKeyCek));
}
function checkRsaKey(alg, key, usage) {
  checkCryptoKey(key, jweAlgorithm(alg).subtle, usage);
  checkModulusLength(alg, key);
}
function pbes2CryptoKey(key, alg) {
  if (key instanceof Uint8Array) {
    return crypto.subtle.importKey("raw", key, "PBKDF2", false, [
      "deriveBits"
    ]);
  }
  checkCryptoKey(key, jweAlgorithm(alg).subtle, "deriveBits");
  return key;
}
async function deriveKey(p2s, alg, p2c, key) {
  if (!(p2s instanceof Uint8Array) || p2s.length < 8) {
    throw new JWEInvalid("PBES2 Salt Input must be 8 or more octets");
  }
  if (!Number.isSafeInteger(p2c) || Math.sign(p2c) !== 1) {
    throw new JWEInvalid("PBES2 Count Input must be a positive integer");
  }
  const salt = concat(encode(alg), Uint8Array.of(0), p2s);
  const keylen = parseInt(alg.slice(13, 16), 10);
  const subtleAlg = {
    hash: `SHA-${alg.slice(8, 11)}`,
    iterations: p2c,
    name: "PBKDF2",
    salt
  };
  const cryptoKey = await pbes2CryptoKey(key, alg);
  return new Uint8Array(await crypto.subtle.deriveBits(subtleAlg, cryptoKey, keylen));
}
function lengthAndInput(input) {
  return concat(uint32be(input.length), input);
}
async function concatKdf(Z, L, OtherInfo) {
  const dkLen = L >> 3;
  const hashLen = 32;
  const reps = Math.ceil(dkLen / hashLen);
  const dk = new Uint8Array(reps * hashLen);
  for (let i = 1; i <= reps; i++) {
    const hashResult = await digest("sha256", concat(uint32be(i), Z, OtherInfo));
    dk.set(hashResult, (i - 1) * hashLen);
  }
  return dk.slice(0, dkLen);
}
async function ecdhesDeriveKey(publicKey, privateKey, algorithm, keyLength, apu = new Uint8Array(), apv = new Uint8Array()) {
  checkEcdhCryptoKey(publicKey);
  checkEcdhCryptoKey(privateKey, "deriveBits");
  const otherInfo = concat(lengthAndInput(encode(algorithm)), lengthAndInput(apu), lengthAndInput(apv), uint32be(keyLength));
  const Z = new Uint8Array(await crypto.subtle.deriveBits({
    name: publicKey.algorithm.name,
    public: publicKey
  }, privateKey, publicKey.algorithm.name === "X25519" ? 256 : Math.ceil(parseInt(publicKey.algorithm.namedCurve.slice(-3), 10) / 8) << 3));
  return concatKdf(Z, keyLength, otherInfo);
}
function assertEcdhKey(key) {
  assertCryptoKey(key);
  const curve = key.algorithm.namedCurve;
  if (curve !== "P-256" && curve !== "P-384" && curve !== "P-521" && key.algorithm.name !== "X25519") {
    throw new JOSENotSupported("ECDH with the provided key is not allowed or not supported by your javascript runtime");
  }
}
function assertEncryptedKey(encryptedKey) {
  if (encryptedKey === void 0)
    throw new JWEInvalid("JWE Encrypted Key missing");
}
function assertNoEncryptedKey(encryptedKey) {
  if (encryptedKey !== void 0)
    throw new JWEInvalid("Encountered unexpected JWE Encrypted Key");
}
async function decryptKeyManagement(alg, enc, key, encryptedKey, joseHeader, maxPBES2Count) {
  const entry = jweAlgorithm(alg);
  if (alg === "dir") {
    assertNoEncryptedKey(encryptedKey);
    return key;
  }
  switch (entry.subtle.name) {
    case "ECDH": {
      if (alg === "ECDH-ES")
        assertNoEncryptedKey(encryptedKey);
      if (!isObject(joseHeader.epk))
        throw new JWEInvalid(`JOSE Header "epk" (Ephemeral Public Key) missing or invalid`);
      assertEcdhKey(key);
      const epk = await jwkToKey(entry, joseHeader.epk);
      let partyUInfo;
      let partyVInfo;
      if (joseHeader.apu !== void 0) {
        if (typeof joseHeader.apu !== "string")
          throw new JWEInvalid(`JOSE Header "apu" (Agreement PartyUInfo) invalid`);
        partyUInfo = decodeBase64url(joseHeader.apu, "apu", JWEInvalid);
      }
      if (joseHeader.apv !== void 0) {
        if (typeof joseHeader.apv !== "string")
          throw new JWEInvalid(`JOSE Header "apv" (Agreement PartyVInfo) invalid`);
        partyVInfo = decodeBase64url(joseHeader.apv, "apv", JWEInvalid);
      }
      const sharedSecret = await ecdhesDeriveKey(epk, key, alg === "ECDH-ES" ? enc.alg : alg, alg === "ECDH-ES" ? enc.cekBits : parseInt(alg.slice(-5, -2), 10), partyUInfo, partyVInfo);
      if (alg === "ECDH-ES")
        return sharedSecret;
      assertEncryptedKey(encryptedKey);
      return aeskwUnwrap(alg.slice(-6), sharedSecret, encryptedKey);
    }
    case "RSA-OAEP": {
      assertEncryptedKey(encryptedKey);
      assertCryptoKey(key);
      checkRsaKey(alg, key, "decrypt");
      return new Uint8Array(await crypto.subtle.decrypt("RSA-OAEP", key, encryptedKey));
    }
    case "PBKDF2": {
      assertEncryptedKey(encryptedKey);
      if (typeof joseHeader.p2c !== "number")
        throw new JWEInvalid(`JOSE Header "p2c" (PBES2 Count) missing or invalid`);
      const p2cLimit = maxPBES2Count || 1e4;
      if (joseHeader.p2c > p2cLimit)
        throw new JWEInvalid(`JOSE Header "p2c" (PBES2 Count) out is of acceptable bounds`);
      if (typeof joseHeader.p2s !== "string")
        throw new JWEInvalid(`JOSE Header "p2s" (PBES2 Salt) missing or invalid`);
      const p2s = decodeBase64url(joseHeader.p2s, "p2s", JWEInvalid);
      const derived = await deriveKey(p2s, alg, joseHeader.p2c, key);
      return aeskwUnwrap(alg.slice(-6), derived, encryptedKey);
    }
    case "AES-KW": {
      assertEncryptedKey(encryptedKey);
      return aeskwUnwrap(alg, key, encryptedKey);
    }
    case "AES-GCM": {
      assertEncryptedKey(encryptedKey);
      if (typeof joseHeader.iv !== "string")
        throw new JWEInvalid(`JOSE Header "iv" (Initialization Vector) missing or invalid`);
      if (typeof joseHeader.tag !== "string")
        throw new JWEInvalid(`JOSE Header "tag" (Authentication Tag) missing or invalid`);
      let iv;
      iv = decodeBase64url(joseHeader.iv, "iv", JWEInvalid);
      let tag2;
      tag2 = decodeBase64url(joseHeader.tag, "tag", JWEInvalid);
      return decrypt(jweEncryption(alg.slice(0, -2)), key, encryptedKey, iv, tag2, new Uint8Array());
    }
  }
}
async function encryptKeyManagement(alg, enc, key, providedCek, providedParameters = {}) {
  let encryptedKey;
  let parameters;
  let cek;
  const entry = jweAlgorithm(alg);
  if (alg === "dir")
    return [key, void 0, void 0];
  switch (entry.subtle.name) {
    case "ECDH": {
      assertEcdhKey(key);
      const { apu, apv } = providedParameters;
      if (apu !== void 0) {
        assertUint8Array(apu, '"apu"');
      }
      if (apv !== void 0) {
        assertUint8Array(apv, '"apv"');
      }
      let ephemeralKey;
      if (providedParameters.epk !== void 0) {
        ephemeralKey = await prepareKey(entry, providedParameters.epk, "decrypt");
      } else {
        ephemeralKey = (await crypto.subtle.generateKey(key.algorithm, true, ["deriveBits"])).privateKey;
      }
      const subtle = crypto.subtle;
      let exportableEpk = ephemeralKey;
      if (!exportableEpk.extractable) {
        if (typeof subtle.getPublicKey !== "function") {
          throw new TypeError('CryptoKey for "epk" must be extractable');
        }
        exportableEpk = await subtle.getPublicKey(ephemeralKey, []);
      }
      const { x, y, crv, kty } = await subtle.exportKey("jwk", exportableEpk);
      const sharedSecret = await ecdhesDeriveKey(key, ephemeralKey, alg === "ECDH-ES" ? enc.alg : alg, alg === "ECDH-ES" ? enc.cekBits : parseInt(alg.slice(-5, -2), 10), apu, apv);
      parameters = { epk: { x, crv, kty } };
      if (kty === "EC")
        parameters.epk.y = y;
      if (apu)
        parameters.apu = encode2(apu);
      if (apv)
        parameters.apv = encode2(apv);
      if (alg === "ECDH-ES") {
        cek = sharedSecret;
        break;
      }
      cek = providedCek || generateCek(enc);
      const kwAlg = alg.slice(-6);
      encryptedKey = await aeskwWrap(kwAlg, sharedSecret, cek);
      break;
    }
    case "RSA-OAEP": {
      cek = providedCek || generateCek(enc);
      assertCryptoKey(key);
      checkRsaKey(alg, key, "encrypt");
      encryptedKey = new Uint8Array(await crypto.subtle.encrypt("RSA-OAEP", key, cek));
      break;
    }
    case "PBKDF2": {
      cek = providedCek || generateCek(enc);
      const { p2c = 2048, p2s = crypto.getRandomValues(new Uint8Array(16)) } = providedParameters;
      const derived = await deriveKey(p2s, alg, p2c, key);
      encryptedKey = await aeskwWrap(alg.slice(-6), derived, cek);
      parameters = { p2c, p2s: encode2(p2s) };
      break;
    }
    case "AES-KW": {
      cek = providedCek || generateCek(enc);
      encryptedKey = await aeskwWrap(alg, key, cek);
      break;
    }
    case "AES-GCM": {
      cek = providedCek || generateCek(enc);
      const { iv } = providedParameters;
      const wrapped = await encrypt(jweEncryption(alg.slice(0, -2)), cek, key, iv, new Uint8Array());
      encryptedKey = wrapped.ciphertext;
      parameters = { iv: encode2(wrapped.iv), tag: encode2(wrapped.tag) };
      break;
    }
  }
  return [cek, encryptedKey, parameters];
}

// dist/webapi/lib/options.js
var JWS_RECOGNIZED = { __proto__: null, b64: true };
var JWE_RECOGNIZED = { __proto__: null };
function validateAlgorithms(option, algorithms) {
  if (algorithms !== void 0 && (!Array.isArray(algorithms) || algorithms.some((s) => typeof s !== "string"))) {
    throw new TypeError(`"${option}" option must be an array of strings`);
  }
  if (!algorithms) {
    return void 0;
  }
  return new Set(algorithms);
}
function validateCritDuplicates(Err, protectedHeader) {
  const { crit } = protectedHeader ?? {};
  if (Array.isArray(crit) && new Set(crit).size !== crit.length) {
    throw new Err('"crit" (Critical) Header Parameter MUST NOT contain duplicate values');
  }
}
function validateCrit(Err, recognizedDefault, recognizedOption, protectedHeader, joseHeader) {
  if (joseHeader.crit !== void 0 && protectedHeader?.crit === void 0) {
    throw new Err('"crit" (Critical) Header Parameter MUST be integrity protected');
  }
  if (!protectedHeader || protectedHeader.crit === void 0) {
    return [];
  }
  if (!Array.isArray(protectedHeader.crit) || protectedHeader.crit.length === 0 || protectedHeader.crit.some((input) => typeof input !== "string" || input.length === 0)) {
    throw new Err('"crit" (Critical) Header Parameter MUST be an array of non-empty strings when present');
  }
  const recognized = recognizedOption === void 0 ? recognizedDefault : { __proto__: null, ...recognizedOption, ...recognizedDefault };
  for (const parameter of protectedHeader.crit) {
    if (!(parameter in recognized)) {
      throw new JOSENotSupported(`Extension Header Parameter "${parameter}" is not recognized`);
    }
    if (!Object.hasOwn(joseHeader, parameter) || joseHeader[parameter] === void 0) {
      throw new Err(`Extension Header Parameter "${parameter}" is missing`);
    }
    if (recognized[parameter] && (!Object.hasOwn(protectedHeader, parameter) || protectedHeader[parameter] === void 0)) {
      throw new Err(`Extension Header Parameter "${parameter}" MUST be integrity protected`);
    }
  }
  return protectedHeader.crit;
}
function validateB64(protectedHeader, extensions) {
  if (extensions.includes("b64")) {
    const b64 = protectedHeader.b64;
    if (typeof b64 !== "boolean") {
      throw new JWSInvalid('The "b64" (base64url-encode payload) Header Parameter must be a boolean');
    }
    return b64;
  }
  return true;
}
function serializeJoseHeader(Err, header) {
  let serialized;
  let parsed;
  try {
    serialized = JSON.stringify(header);
    parsed = JSON.parse(serialized);
  } catch (cause) {
    throw new Err("JOSE Header is not valid JSON", { cause });
  }
  if (!isObject(parsed)) {
    throw new Err("JOSE Header is not a JSON object");
  }
  return [parsed, serialized];
}

// dist/webapi/lib/deflate.js
function validateZip(joseHeader, protectedHeader) {
  if (joseHeader.zip !== void 0 && joseHeader.zip !== "DEF") {
    throw new JOSENotSupported('Unsupported JWE "zip" (Compression Algorithm) Header Parameter value.');
  }
  if (joseHeader.zip !== void 0 && !protectedHeader?.zip) {
    throw new JWEInvalid('JWE "zip" (Compression Algorithm) Header Parameter MUST be in a protected header.');
  }
}
function supported(name) {
  if (typeof globalThis[name] === "undefined") {
    throw new JOSENotSupported(`JWE "zip" (Compression Algorithm) Header Parameter requires the ${name} API.`);
  }
}
async function compress(input) {
  supported("CompressionStream");
  const cs = new CompressionStream("deflate-raw");
  const writer = cs.writable.getWriter();
  writer.write(input).catch(() => {
  });
  writer.close().catch(() => {
  });
  const chunks = [];
  const reader = cs.readable.getReader();
  for (; ; ) {
    const { value, done } = await reader.read();
    if (done)
      break;
    chunks.push(value);
  }
  return concat(...chunks);
}
async function decompress(input, maxLength) {
  supported("DecompressionStream");
  const ds = new DecompressionStream("deflate-raw");
  const writer = ds.writable.getWriter();
  writer.write(input).catch(() => {
  });
  writer.close().catch(() => {
  });
  const chunks = [];
  let length = 0;
  const reader = ds.readable.getReader();
  for (; ; ) {
    const { value, done } = await reader.read();
    if (done)
      break;
    chunks.push(value);
    length += value.byteLength;
    if (maxLength !== Infinity && length > maxLength) {
      throw new JWEInvalid("Decompressed plaintext exceeded the configured limit");
    }
  }
  return concat(...chunks);
}

// dist/webapi/lib/jwe_decrypt.js
function snapshotSharedJWE(jwe) {
  const { aad, ciphertext, iv, protected: encodedProtected, tag: tag2, unprotected: unprotected2 } = jwe;
  if (iv !== void 0 && typeof iv !== "string") {
    throw new JWEInvalid("JWE Initialization Vector incorrect type");
  }
  if (typeof ciphertext !== "string") {
    throw new JWEInvalid("JWE Ciphertext missing or incorrect type");
  }
  if (tag2 !== void 0 && typeof tag2 !== "string") {
    throw new JWEInvalid("JWE Authentication Tag incorrect type");
  }
  if (encodedProtected !== void 0 && typeof encodedProtected !== "string") {
    throw new JWEInvalid("JWE Protected Header incorrect type");
  }
  if (aad !== void 0 && (typeof aad !== "string" || !aad)) {
    throw new JWEInvalid("JWE AAD incorrect type");
  }
  if (unprotected2 !== void 0 && !isObject(unprotected2)) {
    throw new JWEInvalid("JWE Shared Unprotected Header incorrect type");
  }
  return {
    aad,
    ciphertext,
    iv,
    protected: encodedProtected,
    tag: tag2,
    unprotected: unprotected2 === void 0 ? void 0 : { ...unprotected2 }
  };
}
function snapshotRecipientJWE(recipient) {
  let header;
  let headerAlg;
  try {
    const { header: inputHeader } = recipient;
    if (isObject(inputHeader)) {
      headerAlg = inputHeader.alg;
      const parameters = Object.keys(inputHeader);
      if (!parameters.includes("alg"))
        headerAlg = void 0;
      header = Object.fromEntries(parameters.map((parameter) => [
        parameter,
        parameter === "alg" ? headerAlg : inputHeader[parameter]
      ]));
    } else {
      header = inputHeader;
    }
  } catch (error) {
    return [void 0, headerAlg, error];
  }
  try {
    const { encrypted_key: encryptedKey } = recipient;
    return [{ encrypted_key: encryptedKey, header }, headerAlg];
  } catch (error) {
    return [void 0, headerAlg, error];
  }
}
function checkRecipient(jwe) {
  const { encrypted_key: encryptedKey, header } = jwe;
  if (encryptedKey !== void 0 && typeof encryptedKey !== "string") {
    throw new JWEInvalid("JWE Encrypted Key incorrect type");
  }
  if (header !== void 0) {
    if (!isObject(header)) {
      throw new JWEInvalid("JWE Per-Recipient Unprotected Header incorrect type");
    }
  }
  if (jwe.protected === void 0 && header === void 0 && jwe.unprotected === void 0) {
    throw new JWEInvalid("JOSE Header missing");
  }
}
function shareJWE(jwe) {
  const { protected: encodedProtected, ciphertext, iv, tag: tag2, aad } = jwe;
  let parsedProt;
  if (encodedProtected !== void 0) {
    parsedProt = parseJoseHeader(encodedProtected, JWEInvalid, "JWE Protected Header is invalid");
  }
  const protectedHeader = encodedProtected !== void 0 ? encode(encodedProtected) : new Uint8Array();
  return [
    parsedProt,
    decodeBase64url(ciphertext, "ciphertext", JWEInvalid),
    iv !== void 0 ? decodeBase64url(iv, "iv", JWEInvalid) : void 0,
    tag2 !== void 0 ? decodeBase64url(tag2, "tag", JWEInvalid) : void 0,
    aad !== void 0 ? concat(protectedHeader, encode("."), encodeBase64url(aad, "aad", JWEInvalid)) : protectedHeader
  ];
}
function decryptResult(jwe, decrypted) {
  const [plaintext, parsedProt, key, resolvedKey] = decrypted;
  const { protected: encodedProtected, aad, unprotected: unprotected2, header } = jwe;
  const result = { plaintext };
  if (encodedProtected !== void 0) {
    result.protectedHeader = parsedProt;
  }
  if (aad !== void 0) {
    result.additionalAuthenticatedData = decodeBase64url(aad, "aad", JWEInvalid);
  }
  if (unprotected2 !== void 0) {
    result.sharedUnprotectedHeader = unprotected2;
  }
  if (header !== void 0) {
    result.unprotectedHeader = header;
  }
  if (resolvedKey) {
    return { ...result, key };
  }
  return result;
}
function prepareDecrypt(options) {
  return [
    options && validateAlgorithms("keyManagementAlgorithms", options.keyManagementAlgorithms),
    options && validateAlgorithms("contentEncryptionAlgorithms", options.contentEncryptionAlgorithms),
    options?.crit,
    options?.maxPBES2Count,
    options?.maxDecompressedLength
  ];
}
async function decryptRecipient(jwe, token, shared, key) {
  const [parsedProt] = token;
  const { header, unprotected: unprotected2 } = jwe;
  let joseHeader;
  if (header !== void 0 || unprotected2 !== void 0) {
    if (!isDisjoint(parsedProt, header, unprotected2)) {
      throw new JWEInvalid("JWE Protected, JWE Unprotected Header, and JWE Per-Recipient Unprotected Header Parameter names must be disjoint");
    }
    joseHeader = { ...parsedProt, ...header, ...unprotected2 };
  } else {
    joseHeader = parsedProt ?? {};
  }
  return decryptRecipientCore(jwe, token, shared, key, joseHeader);
}
async function decryptRecipientCore(jwe, token, shared, key, joseHeader) {
  const [keyManagementAlgorithms, contentEncryptionAlgorithms, crit, maxPBES2Count, maxDecompressedLength] = shared;
  const [parsedProt, ciphertext, iv, tag2, additionalData] = token;
  const { encrypted_key: encodedKey } = jwe;
  validateCrit(JWEInvalid, JWE_RECOGNIZED, crit, parsedProt, joseHeader);
  validateZip(joseHeader, parsedProt);
  const { alg, enc } = joseHeader;
  if (typeof alg !== "string" || !alg) {
    throw new JWEInvalid("missing JWE Algorithm (alg) in JWE Header");
  }
  if (typeof enc !== "string" || !enc) {
    throw new JWEInvalid("missing JWE Encryption Algorithm (enc) in JWE Header");
  }
  if (keyManagementAlgorithms && !keyManagementAlgorithms.has(alg) || !keyManagementAlgorithms && alg.startsWith("PBES2")) {
    throw new JOSEAlgNotAllowed('"alg" (Algorithm) Header Parameter value not allowed');
  }
  if (contentEncryptionAlgorithms && !contentEncryptionAlgorithms.has(enc)) {
    throw new JOSEAlgNotAllowed('"enc" (Encryption Algorithm) Header Parameter value not allowed');
  }
  const encEntry = jweEncryption(enc);
  let encryptedKey;
  if (encodedKey !== void 0) {
    encryptedKey = decodeBase64url(encodedKey, "encrypted_key", JWEInvalid);
  }
  let resolvedKey = false;
  if (typeof key === "function") {
    key = await key(parsedProt, jwe);
    resolvedKey = true;
  }
  const algEntry = jweAlgorithm(alg);
  const k = await prepareKey(alg === "dir" ? encEntry : algEntry, key, "decrypt");
  let cek;
  try {
    cek = await decryptKeyManagement(alg, encEntry, k, encryptedKey, joseHeader, maxPBES2Count);
    if (encodedKey !== void 0 && cek instanceof Uint8Array && cek.byteLength << 3 !== encEntry.cekBits) {
      cek = generateCek(encEntry);
    }
  } catch (err) {
    if (err instanceof TypeError || err instanceof JWEInvalid || err instanceof JOSENotSupported) {
      throw err;
    }
    cek = generateCek(encEntry);
  }
  let plaintext = await decrypt(encEntry, cek, ciphertext, iv, tag2, additionalData);
  if (joseHeader.zip === "DEF") {
    const decompressionLimit = maxDecompressedLength ?? 25e4;
    if (decompressionLimit === 0) {
      throw new JOSENotSupported('JWE "zip" (Compression Algorithm) Header Parameter is not supported.');
    }
    if (decompressionLimit !== Infinity && (!Number.isSafeInteger(decompressionLimit) || decompressionLimit < 1)) {
      throw new TypeError("maxDecompressedLength must be 0, a positive safe integer, or Infinity");
    }
    plaintext = await decompress(plaintext, decompressionLimit).catch((cause) => {
      if (cause instanceof JWEInvalid)
        throw cause;
      throw new JWEInvalid("Failed to decompress plaintext", { cause });
    });
  }
  return [plaintext, parsedProt, k, resolvedKey];
}
async function decryptJWE(jwe, shared, key) {
  return decryptRecipient(jwe, shareJWE(jwe), shared, key);
}
async function decryptCompact(jwe, shared, key) {
  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: tag2, length } = jwe.split(".");
  if (length !== 5) {
    throw new JWEInvalid("Invalid Compact JWE");
  }
  const flattened = {
    ciphertext,
    iv: iv || void 0,
    protected: protectedHeader,
    tag: tag2 || void 0,
    encrypted_key: encryptedKey || void 0
  };
  const parsedProt = parseJoseHeader(protectedHeader, JWEInvalid, "JWE Protected Header is invalid");
  const protectedBytes = encode(protectedHeader);
  const token = [
    parsedProt,
    decodeBase64url(ciphertext, "ciphertext", JWEInvalid),
    iv ? decodeBase64url(iv, "iv", JWEInvalid) : void 0,
    tag2 ? decodeBase64url(tag2, "tag", JWEInvalid) : void 0,
    protectedBytes
  ];
  return decryptRecipientCore(flattened, token, shared, key, parsedProt);
}

// dist/webapi/jwe/compact/decrypt.js
async function compactDecrypt(jwe, key, options) {
  const decrypted = await decryptCompact(jwe, prepareDecrypt(options), key);
  const result = { plaintext: decrypted[0], protectedHeader: decrypted[1] };
  if (typeof key === "function") {
    return { ...result, key: decrypted[2] };
  }
  return result;
}

// dist/webapi/jwe/flattened/decrypt.js
async function flattenedDecrypt(jwe, key, options) {
  if (!isObject(jwe)) {
    throw new JWEInvalid("Flattened JWE must be an object");
  }
  const shared = snapshotSharedJWE(jwe);
  const [recipient, , error] = snapshotRecipientJWE(jwe);
  if (!recipient)
    throw error;
  const snapshot = { ...shared, ...recipient };
  checkRecipient(snapshot);
  return decryptResult(snapshot, await decryptJWE(snapshot, prepareDecrypt(options), key));
}

// dist/webapi/jwe/general/decrypt.js
async function generalDecrypt(jwe, key, options) {
  if (!isObject(jwe)) {
    throw new JWEInvalid("General JWE must be an object");
  }
  const inputRecipients = jwe.recipients;
  if (!Array.isArray(inputRecipients)) {
    throw new JWEInvalid("JWE Recipients missing or incorrect type");
  }
  const recipients = Array.from(inputRecipients);
  if (!recipients.every(isObject)) {
    throw new JWEInvalid("JWE Recipients missing or incorrect type");
  }
  if (!recipients.length) {
    throw new JWEInvalid("JWE Recipients has no members");
  }
  let shared;
  let sharedJwe;
  let token;
  try {
    shared = prepareDecrypt(options);
    sharedJwe = snapshotSharedJWE(jwe);
    token = shareJWE(sharedJwe);
  } catch {
    throw new JWEDecryptionFailed();
  }
  const recipientSnapshots = recipients.map((recipient) => snapshotRecipientJWE(recipient));
  if (recipients.length > 1) {
    for (const [, headerAlg] of recipientSnapshots) {
      const alg = token[0]?.alg ?? headerAlg ?? sharedJwe.unprotected?.alg;
      if (alg === "dir" || alg === "ECDH-ES") {
        throw new JWEInvalid(`"${alg}" alg may only have a single recipient`);
      }
    }
  }
  for (const [recipient] of recipientSnapshots) {
    if (!recipient)
      continue;
    try {
      const flattened = { ...sharedJwe, ...recipient };
      checkRecipient(flattened);
      return decryptResult(flattened, await decryptRecipient(flattened, token, shared, key));
    } catch {
    }
  }
  throw new JWEDecryptionFailed();
}

// dist/webapi/lib/jwe_encrypt.js
function checkDisjoint(protectedHeader, unprotectedHeader, sharedUnprotectedHeader) {
  if (!isDisjoint(protectedHeader, unprotectedHeader, sharedUnprotectedHeader)) {
    throw new JWEInvalid("JWE Protected, JWE Shared Unprotected and JWE Per-Recipient Header Parameter names must be disjoint");
  }
}
function checkEncryptHeaders(input) {
  let [, protectedHeader, unprotectedHeader, sharedUnprotectedHeader, aad, cek, iv, keyManagementParameters, crit] = input;
  if (aad !== void 0) {
    assertUint8Array(aad, "JWE Additional Authenticated Data");
  }
  if (cek !== void 0) {
    assertUint8Array(cek, "JWE Content Encryption Key");
  }
  if (iv !== void 0) {
    assertUint8Array(iv, "JWE Initialization Vector");
  }
  if (protectedHeader !== void 0) {
    protectedHeader = serializeJoseHeader(JWEInvalid, protectedHeader)[0];
    input[1] = protectedHeader;
  }
  if (unprotectedHeader !== void 0) {
    unprotectedHeader = serializeJoseHeader(JWEInvalid, unprotectedHeader)[0];
    input[2] = unprotectedHeader;
  }
  if (sharedUnprotectedHeader !== void 0) {
    sharedUnprotectedHeader = serializeJoseHeader(JWEInvalid, sharedUnprotectedHeader)[0];
    input[3] = sharedUnprotectedHeader;
  }
  if (keyManagementParameters !== void 0 && !isObject(keyManagementParameters)) {
    throw new TypeError("JWE Key Management Parameters must be an object");
  }
  checkDisjoint(protectedHeader, unprotectedHeader, sharedUnprotectedHeader);
  const joseHeader = {
    ...protectedHeader,
    ...unprotectedHeader,
    ...sharedUnprotectedHeader
  };
  validateCritDuplicates(JWEInvalid, protectedHeader);
  validateCrit(JWEInvalid, JWE_RECOGNIZED, crit, protectedHeader, joseHeader);
  validateZip(joseHeader, protectedHeader);
  const { alg, enc } = joseHeader;
  if (typeof alg !== "string" || !alg) {
    throw new JWEInvalid('JWE "alg" (Algorithm) Header Parameter missing or invalid');
  }
  if (typeof enc !== "string" || !enc) {
    throw new JWEInvalid('JWE "enc" (Encryption Algorithm) Header Parameter missing or invalid');
  }
  return [joseHeader, alg, enc, jweEncryption(enc)];
}
async function encryptJWE(input, checked, key) {
  const [joseHeader, alg, , encEntry] = checked;
  const [inputPlaintext, inputProtectedHeader, inputUnprotectedHeader, sharedUnprotectedHeader, aad, providedCek, inputIv, keyManagementParameters, , unprotectedParameters] = input;
  let protectedHeader = inputProtectedHeader;
  let unprotectedHeader = inputUnprotectedHeader;
  if (providedCek && (alg === "dir" || alg === "ECDH-ES")) {
    throw new TypeError(`setContentEncryptionKey cannot be called with JWE "alg" (Algorithm) Header ${alg}`);
  }
  const algEntry = jweAlgorithm(alg);
  const k = await prepareKey(alg === "dir" ? encEntry : algEntry, key, "encrypt");
  const [cek, encryptedKey, parameters] = await encryptKeyManagement(alg, encEntry, k, providedCek, keyManagementParameters);
  if (parameters) {
    if (unprotectedParameters) {
      unprotectedHeader = unprotectedHeader ? { ...unprotectedHeader, ...parameters } : parameters;
    } else {
      protectedHeader = protectedHeader ? { ...protectedHeader, ...parameters } : parameters;
    }
    checkDisjoint(protectedHeader, unprotectedHeader, sharedUnprotectedHeader);
  }
  let protectedHeaderS;
  let protectedHeaderB;
  if (protectedHeader) {
    protectedHeaderS = encode2(JSON.stringify(protectedHeader));
    protectedHeaderB = encode(protectedHeaderS);
  } else {
    protectedHeaderS = "";
    protectedHeaderB = new Uint8Array();
  }
  let additionalData;
  let aadMember;
  if (aad?.byteLength) {
    aadMember = encode2(aad);
    additionalData = concat(protectedHeaderB, encode("."), encode(aadMember));
  } else {
    additionalData = protectedHeaderB;
  }
  let plaintext = inputPlaintext;
  if (joseHeader.zip === "DEF") {
    plaintext = await compress(plaintext).catch((cause) => {
      throw new JWEInvalid("Failed to compress plaintext", { cause });
    });
  }
  const { ciphertext, tag: tag2, iv } = await encrypt(encEntry, plaintext, cek, inputIv, additionalData);
  const jwe = {
    ciphertext: encode2(ciphertext)
  };
  if (iv) {
    jwe.iv = encode2(iv);
  }
  if (tag2) {
    jwe.tag = encode2(tag2);
  }
  if (encryptedKey) {
    jwe.encrypted_key = encode2(encryptedKey);
  }
  if (aadMember) {
    jwe.aad = aadMember;
  }
  if (protectedHeader) {
    jwe.protected = protectedHeaderS;
  }
  if (sharedUnprotectedHeader) {
    jwe.unprotected = sharedUnprotectedHeader;
  }
  if (unprotectedHeader) {
    jwe.header = unprotectedHeader;
  }
  return jwe;
}
async function createJWE(input, key, options) {
  if (!input[1] && !input[2] && !input[3]) {
    throw new JWEInvalid("either setProtectedHeader, setUnprotectedHeader, or sharedUnprotectedHeader must be called before #encrypt()");
  }
  if (options !== void 0) {
    input[8] = options?.crit;
    input[9] = options ? unprotected in options : false;
  }
  return encryptJWE(input, checkEncryptHeaders(input), key);
}

// dist/webapi/jwe/general/encrypt.js
var IndividualRecipient = class {
  #parent;
  state;
  constructor(enc, key, crit) {
    this.#parent = enc;
    this.state = [void 0, void 0, key, crit];
  }
  setUnprotectedHeader(unprotectedHeader) {
    assertNotSet(this.state[0], "setUnprotectedHeader");
    this.state[0] = unprotectedHeader;
    return this;
  }
  setKeyManagementParameters(parameters) {
    assertNotSet(this.state[1], "setKeyManagementParameters");
    this.state[1] = parameters;
    return this;
  }
  addRecipient(...args) {
    return this.#parent.addRecipient(...args);
  }
  encrypt(...args) {
    return this.#parent.encrypt(...args);
  }
  done() {
    return this.#parent;
  }
};
function copyOptionalMembers(flattened, jwe, recipient) {
  const { aad, protected: protectedHeader, unprotected: unprotected2, header } = flattened;
  if (aad)
    jwe.aad = aad;
  if (protectedHeader)
    jwe.protected = protectedHeader;
  if (unprotected2)
    jwe.unprotected = unprotected2;
  if (header)
    recipient.header = header;
}
var GeneralEncrypt = class {
  #plaintext;
  #recipients = [];
  #protectedHeader;
  #unprotectedHeader;
  #aad;
  constructor(plaintext) {
    this.#plaintext = plaintext;
  }
  addRecipient(key, options) {
    const recipient = new IndividualRecipient(this, key, options?.crit);
    this.#recipients.push(recipient);
    return recipient;
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  setSharedUnprotectedHeader(sharedUnprotectedHeader) {
    assertNotSet(this.#unprotectedHeader, "setSharedUnprotectedHeader");
    this.#unprotectedHeader = sharedUnprotectedHeader;
    return this;
  }
  setAdditionalAuthenticatedData(aad) {
    this.#aad = aad;
    return this;
  }
  async encrypt() {
    if (!this.#recipients.length) {
      throw new JWEInvalid("at least one recipient must be added");
    }
    assertUint8Array(this.#plaintext, "plaintext");
    if (this.#recipients.length === 1) {
      const [unprotectedHeader, keyManagementParameters, key, crit] = this.#recipients[0].state;
      const flattened = await createJWE([
        this.#plaintext,
        this.#protectedHeader,
        unprotectedHeader,
        this.#unprotectedHeader,
        this.#aad,
        void 0,
        void 0,
        keyManagementParameters,
        crit,
        false
      ], key);
      const jwe2 = {
        ciphertext: flattened.ciphertext,
        iv: flattened.iv,
        recipients: [{}],
        tag: flattened.tag
      };
      if (flattened.encrypted_key)
        jwe2.recipients[0].encrypted_key = flattened.encrypted_key;
      copyOptionalMembers(flattened, jwe2, jwe2.recipients[0]);
      return jwe2;
    }
    let enc;
    let protectedHeader = this.#protectedHeader;
    let sharedUnprotectedHeader = this.#unprotectedHeader;
    const inputs = [];
    const checked = [];
    for (let i = 0; i < this.#recipients.length; i++) {
      const recipient = this.#recipients[i];
      const [unprotectedHeader, keyManagementParameters, , crit] = recipient.state;
      const input = [
        this.#plaintext,
        protectedHeader,
        unprotectedHeader,
        sharedUnprotectedHeader,
        this.#aad,
        void 0,
        void 0,
        keyManagementParameters,
        crit,
        true
      ];
      const headers = checkEncryptHeaders(input);
      inputs.push(input);
      checked.push(headers);
      if (i === 0) {
        protectedHeader = input[1];
        sharedUnprotectedHeader = input[3];
      }
      if (headers[1] === "dir" || headers[1] === "ECDH-ES") {
        throw new JWEInvalid(`"${headers[1]}" alg may only have a single recipient`);
      }
      if (!enc) {
        enc = headers[2];
      } else if (enc !== headers[2]) {
        throw new JWEInvalid('JWE "enc" (Encryption Algorithm) Header Parameter must be the same for all recipients');
      }
    }
    const cek = generateCek(checked[0][3]);
    const jwe = {
      ciphertext: "",
      recipients: []
    };
    for (let i = 0; i < this.#recipients.length; i++) {
      const recipient = this.#recipients[i];
      const [, keyManagementParameters, key] = recipient.state;
      const target = {};
      jwe.recipients.push(target);
      if (i === 0) {
        inputs[0][5] = cek;
        const flattened = await encryptJWE(inputs[0], checked[0], key);
        jwe.ciphertext = flattened.ciphertext;
        jwe.iv = flattened.iv;
        jwe.tag = flattened.tag;
        target.encrypted_key = flattened.encrypted_key;
        copyOptionalMembers(flattened, jwe, target);
        continue;
      }
      const [, alg, , encEntry] = checked[i];
      const unprotectedHeader = inputs[i][2];
      const k = await prepareKey(jweAlgorithm(alg), key, "encrypt");
      const [, encryptedKey, parameters] = await encryptKeyManagement(alg, encEntry, k, cek, keyManagementParameters);
      target.encrypted_key = encode2(encryptedKey);
      if (unprotectedHeader || parameters) {
        const header = { ...unprotectedHeader, ...parameters };
        if (parameters)
          checkDisjoint(inputs[i][1], header, inputs[i][3]);
        target.header = header;
      }
    }
    return jwe;
  }
};

// dist/webapi/lib/signing.js
async function getSigKey(entry, key, usage) {
  if (key instanceof Uint8Array) {
    return crypto.subtle.importKey("raw", key, entry.subtle, false, [
      usage
    ]);
  }
  checkCryptoKey(key, entry.subtle, usage);
  if (entry.minRsaBits)
    checkModulusLength(entry.alg, key);
  return key;
}
async function sign(entry, key, data) {
  const cryptoKey = await getSigKey(entry, key, "sign");
  const signature = await crypto.subtle.sign(entry.signing, cryptoKey, data);
  return new Uint8Array(signature);
}
async function verify(entry, key, signature, data) {
  const cryptoKey = await getSigKey(entry, key, "verify");
  try {
    return await crypto.subtle.verify(entry.signing, cryptoKey, signature, data);
  } catch {
    return false;
  }
}

// dist/webapi/lib/jws_algorithms.js
var sig = [["verify"], ["sign"]];
function hmac(bits) {
  const subtle = { name: "HMAC", hash: `SHA-${bits}` };
  return { kty: ["oct"], secret: true, subtle, signing: subtle, usages: sig };
}
function rsa(bits, saltLength) {
  const name = saltLength ? "RSA-PSS" : "RSASSA-PKCS1-v1_5";
  const subtle = { name, hash: `SHA-${bits}` };
  return {
    kty: ["RSA"],
    subtle,
    signing: saltLength ? { ...subtle, saltLength } : subtle,
    usages: sig,
    minRsaBits: 2048
  };
}
function ecdsa(crv, bits) {
  return {
    kty: ["EC"],
    crv,
    subtle: { name: "ECDSA", namedCurve: crv },
    signing: { name: "ECDSA", hash: `SHA-${bits}` },
    usages: sig
  };
}
function eddsa() {
  const subtle = { name: "Ed25519" };
  return {
    kty: ["OKP"],
    crv: "Ed25519",
    subtle,
    signing: subtle,
    usages: sig
  };
}
function mldsa(bits) {
  const name = `ML-DSA-${bits}`;
  const subtle = { name };
  return {
    kty: ["AKP"],
    subtle,
    signing: subtle,
    usages: sig
  };
}
var JWS = table({
  HS256: hmac(256),
  HS384: hmac(384),
  HS512: hmac(512),
  RS256: rsa(256),
  RS384: rsa(384),
  RS512: rsa(512),
  PS256: rsa(256, 32),
  PS384: rsa(384, 48),
  PS512: rsa(512, 64),
  ES256: ecdsa("P-256", 256),
  ES384: ecdsa("P-384", 384),
  ES512: ecdsa("P-521", 512),
  EdDSA: eddsa(),
  Ed25519: eddsa(),
  "ML-DSA-44": mldsa(44),
  "ML-DSA-65": mldsa(65),
  "ML-DSA-87": mldsa(87)
});
function jwsAlgorithm(alg) {
  const entry = typeof alg === "string" ? JWS[alg] : void 0;
  if (!entry) {
    throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
  }
  return entry;
}

// dist/webapi/lib/jws_verify.js
function snapshotJws(jws, sharedPayload) {
  const encodedProtected = jws.protected;
  const inputHeader = jws.header;
  const header = isObject(inputHeader) ? { ...inputHeader } : inputHeader;
  let payload = sharedPayload ? sharedPayload[0] : jws.payload;
  if (!sharedPayload && payload instanceof Uint8Array) {
    payload = new Uint8Array(payload);
  }
  const signature = jws.signature;
  const snapshot = { payload, signature };
  if (encodedProtected !== void 0)
    snapshot.protected = encodedProtected;
  if (inputHeader !== void 0)
    snapshot.header = header;
  return snapshot;
}
function verifyResult(jws, verified) {
  const [payload, parsedProt, , key, resolvedKey] = verified;
  const result = { payload };
  if (jws.protected !== void 0) {
    result.protectedHeader = parsedProt;
  }
  if (jws.header !== void 0) {
    result.unprotectedHeader = jws.header;
  }
  if (resolvedKey) {
    return { ...result, key };
  }
  return result;
}
function prepareVerify(options) {
  return [options && validateAlgorithms("algorithms", options.algorithms), options?.crit];
}
function parseProtectedHeader(encodedProtected, parsedProtected = encodedProtected === void 0 ? {} : parseJoseHeader(encodedProtected, JWSInvalid, "JWS Protected Header is invalid")) {
  return parsedProtected;
}
function validateJwsHeaders(parsedProt, joseHeader, shared) {
  const b64 = validateB64(parsedProt, validateCrit(JWSInvalid, JWS_RECOGNIZED, shared[1], parsedProt, joseHeader));
  const alg = joseHeader.alg;
  if (typeof alg !== "string" || !alg) {
    throw new JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
  }
  if (shared[0] && !shared[0].has(alg)) {
    throw new JOSEAlgNotAllowed('"alg" (Algorithm) Header Parameter value not allowed');
  }
  return [b64, alg];
}
function parseJwsHeaders(encodedProtected, header, shared, parsedProtected) {
  const parsedProt = parseProtectedHeader(encodedProtected, parsedProtected);
  let joseHeader;
  if (header !== void 0) {
    if (!isDisjoint(parsedProt, header)) {
      throw new JWSInvalid("JWS Protected and JWS Unprotected Header Parameter names must be disjoint");
    }
    joseHeader = { ...parsedProt, ...header };
  } else {
    joseHeader = parsedProt;
  }
  return [parsedProt, joseHeader, ...validateJwsHeaders(parsedProt, joseHeader, shared)];
}
function encodeJsonUnencodedPayload(payload) {
  const invalid2 = /[\p{Cs}\p{Cn}]/u.exec(payload)?.[0];
  if (invalid2 !== void 0) {
    throw new JWSInvalid(/\p{Cs}/u.test(invalid2) ? "JWS Payload must be a well-formed Unicode string" : "JWS Payload must not contain unassigned Unicode code points");
  }
  return encoder.encode(payload);
}
function encodeCompactUnencodedPayload(payload) {
  try {
    return encode(payload);
  } catch {
    throw new JWSInvalid("JWS Compact Serialization payload must use only ASCII characters");
  }
}
async function verifyPrepared(jws, shared, key, encodedProtected, parsedProt, alg, signingPayload) {
  let resolvedKey = false;
  if (typeof key === "function") {
    key = await key(parsedProt, jws);
    resolvedKey = true;
  }
  const b64 = typeof signingPayload === "string";
  const entry = jwsAlgorithm(alg);
  const data = concat(encodedProtected !== void 0 ? encode(encodedProtected) : new Uint8Array(), encode("."), b64 ? shared[2] ??= encodeBase64url(signingPayload, "payload", JWSInvalid) : signingPayload);
  const signature = decodeBase64url(jws.signature, "signature", JWSInvalid);
  const k = await prepareKey(entry, key, "verify");
  if (!await verify(entry, k, signature, data)) {
    throw new JWSSignatureVerificationFailed();
  }
  const payload = b64 ? decodeBase64url(signingPayload, "payload", JWSInvalid) : signingPayload;
  return [payload, parsedProt, b64, k, resolvedKey];
}
async function verifySignature(jws, shared, key, encodeUnencodedPayload, parsedProtected) {
  const { protected: encodedProtected, header, payload: inputPayload } = jws;
  const [parsedProt, , b64, alg] = parseJwsHeaders(encodedProtected, header, shared, parsedProtected);
  if (b64) {
    if (typeof inputPayload !== "string") {
      throw new JWSInvalid("JWS Payload must be a string");
    }
  } else if (typeof inputPayload !== "string" && !(inputPayload instanceof Uint8Array)) {
    throw new JWSInvalid("JWS Payload must be a string or an Uint8Array instance");
  }
  const signingPayload = b64 || typeof inputPayload !== "string" ? inputPayload : encodeUnencodedPayload(inputPayload);
  return verifyPrepared(jws, shared, key, encodedProtected, parsedProt, alg, signingPayload);
}
async function verifyCompact(jws, shared, key) {
  if (jws instanceof Uint8Array) {
    jws = decoder.decode(jws);
  }
  if (typeof jws !== "string") {
    throw new JWSInvalid("Compact JWS must be a string or Uint8Array");
  }
  const { 0: protectedHeader, 1: payload, 2: signature, length } = jws.split(".");
  if (length !== 3) {
    throw new JWSInvalid("Invalid Compact JWS");
  }
  const compactJws = { payload, protected: protectedHeader, signature };
  const parsedProt = parseProtectedHeader(protectedHeader);
  const [b64, alg] = validateJwsHeaders(parsedProt, parsedProt, shared);
  const signingPayload = b64 ? payload : encodeCompactUnencodedPayload(payload);
  return verifyPrepared(compactJws, shared, key, protectedHeader, parsedProt, alg, signingPayload);
}

// dist/webapi/jws/compact/verify.js
async function compactVerify(jws, key, options) {
  const verified = await verifyCompact(jws, prepareVerify(options), key);
  const result = { payload: verified[0], protectedHeader: verified[1] };
  if (typeof key === "function") {
    return { ...result, key: verified[3] };
  }
  return result;
}

// dist/webapi/jws/flattened/verify.js
async function flattenedVerify(jws, key, options) {
  if (!isObject(jws)) {
    throw new JWSInvalid("Flattened JWS must be an object");
  }
  const snapshot = snapshotJws(jws);
  if (snapshot.protected === void 0 && snapshot.header === void 0) {
    throw new JWSInvalid('Flattened JWS must have either of the "protected" or "header" members');
  }
  if (snapshot.protected !== void 0 && typeof snapshot.protected !== "string") {
    throw new JWSInvalid("JWS Protected Header incorrect type");
  }
  if (snapshot.payload === void 0) {
    throw new JWSInvalid("JWS Payload missing");
  }
  if (typeof snapshot.signature !== "string") {
    throw new JWSInvalid("JWS Signature missing or incorrect type");
  }
  if (snapshot.header !== void 0 && !isObject(snapshot.header)) {
    throw new JWSInvalid("JWS Unprotected Header incorrect type");
  }
  return verifyResult(snapshot, await verifySignature(snapshot, prepareVerify(options), key, encodeJsonUnencodedPayload));
}

// dist/webapi/jws/general/verify.js
function snapshotSignature(signature, payload) {
  try {
    const jws = snapshotJws(signature, [payload]);
    const { protected: encodedProtected, header, signature: encodedSignature } = jws;
    if (encodedProtected === void 0 && header === void 0)
      return void 0;
    if (encodedProtected !== void 0 && typeof encodedProtected !== "string")
      return void 0;
    if (typeof encodedSignature !== "string")
      return void 0;
    if (header !== void 0 && !isObject(header))
      return void 0;
    const protectedHeader = parseProtectedHeader(encodedProtected);
    const { b64, crit } = protectedHeader;
    return [
      jws,
      protectedHeader,
      Array.isArray(crit) && crit.includes("b64") ? typeof b64 === "boolean" ? b64 ? 1 : 2 : 0 : 1
    ];
  } catch {
    return void 0;
  }
}
async function generalVerify(jws, key, options) {
  if (!isObject(jws)) {
    throw new JWSInvalid("General JWS must be an object");
  }
  const { signatures, payload: inputPayload } = jws;
  if (!Array.isArray(signatures)) {
    throw new JWSInvalid("JWS Signatures missing or incorrect type");
  }
  const signatureEntries = Array.from(signatures);
  if (!signatureEntries.every(isObject)) {
    throw new JWSInvalid("JWS Signatures missing or incorrect type");
  }
  let shared;
  try {
    if (inputPayload === void 0)
      throw new Error();
    shared = prepareVerify(options);
  } catch {
    throw new JWSSignatureVerificationFailed();
  }
  const payload = inputPayload instanceof Uint8Array ? new Uint8Array(inputPayload) : inputPayload;
  const candidates = signatureEntries.map((signature) => snapshotSignature(signature, payload)).filter((candidate) => candidate !== void 0);
  let modes = 0;
  for (const [, , mode] of candidates) {
    modes |= mode;
    if (modes === 3) {
      throw new JWSInvalid("inconsistent use of JWS Unencoded Payload (RFC7797)");
    }
  }
  for (const candidate of candidates) {
    try {
      return verifyResult(candidate[0], await verifySignature(candidate[0], shared, key, encodeJsonUnencodedPayload, candidate[1]));
    } catch {
    }
  }
  throw new JWSSignatureVerificationFailed();
}

// dist/webapi/lib/jwt_claims_set.js
var epoch = (date) => Math.floor(date.getTime() / 1e3);
var multipliers = {
  s: 1,
  m: 60,
  h: 3600,
  d: 86400,
  w: 604800,
  y: 31557600
};
var REGEX = /^(\+|\-)? ?(\d+|\d+\.\d+) ?(seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)(?: (ago|from now))?$/i;
var checkFailed = "check_failed";
function invalidDuration() {
  throw new TypeError("Invalid time period format");
}
function secs(str) {
  if (typeof str !== "string") {
    invalidDuration();
  }
  const matched = REGEX.exec(str);
  if (!matched || matched[4] && matched[1]) {
    invalidDuration();
  }
  const value = parseFloat(matched[2]);
  const numericDate2 = Math.round(value * multipliers[matched[3][0].toLowerCase()]);
  if (!Number.isFinite(numericDate2)) {
    invalidDuration();
  }
  if (matched[1] === "-" || matched[4] === "ago") {
    return -numericDate2;
  }
  return numericDate2;
}
function validateInput(label, input) {
  if (!Number.isFinite(input)) {
    throw new TypeError(`Invalid ${label} input`);
  }
  return input;
}
function validateStringClaim(claim, value) {
  if (typeof value !== "string") {
    throw new TypeError(`"${claim}" claim must be a string`);
  }
}
function validateAudienceClaim(value) {
  if (typeof value !== "string" && (!Array.isArray(value) || Array.from(value).some((member) => typeof member !== "string"))) {
    throw new TypeError('"aud" claim must be a string or an array of strings');
  }
}
function numericDate(value, label) {
  if (typeof value === "number")
    return validateInput(label, value);
  if (value instanceof Date)
    return validateInput(label, epoch(value));
  return epoch(/* @__PURE__ */ new Date()) + secs(value);
}
var normalizeTyp = (value) => {
  const normalized = value.toLowerCase();
  return value.includes("/") ? normalized : `application/${normalized}`;
};
var checkAudiencePresence = (audPayload, audOption) => {
  if (typeof audPayload === "string") {
    return audOption.includes(audPayload);
  }
  if (Array.isArray(audPayload)) {
    return audOption.some((aud) => audPayload.includes(aud));
  }
  return false;
};
function validateNumericDate(payload, claim, required = false) {
  const value = payload[claim];
  if (value === void 0 && !required)
    return void 0;
  if (typeof value !== "number") {
    throw new JWTClaimValidationFailed(`"${claim}" claim must be a number`, payload, claim, "invalid");
  }
  return value;
}
function unexpectedClaim(payload, claim) {
  throw new JWTClaimValidationFailed(`unexpected "${claim}" claim value`, payload, claim, checkFailed);
}
function validateClaimsSet(protectedHeader, encodedPayload, options = {}) {
  let payload;
  try {
    payload = JSON.parse(strictDecoder.decode(encodedPayload));
  } catch {
  }
  if (!isObject(payload)) {
    throw new JWTInvalid("JWT Claims Set must be a top-level JSON object");
  }
  const { typ } = options;
  if (typ !== void 0 && (typeof protectedHeader.typ !== "string" || normalizeTyp(protectedHeader.typ) !== normalizeTyp(typ))) {
    throw new JWTClaimValidationFailed('unexpected "typ" JWT header value', payload, "typ", checkFailed);
  }
  const { requiredClaims = [], issuer, subject, audience, maxTokenAge } = options;
  const presenceCheck = [...requiredClaims];
  if (maxTokenAge !== void 0)
    presenceCheck.push("iat");
  if (audience !== void 0)
    presenceCheck.push("aud");
  if (subject !== void 0)
    presenceCheck.push("sub");
  if (issuer !== void 0)
    presenceCheck.push("iss");
  for (const claim of new Set(presenceCheck.reverse())) {
    if (!Object.hasOwn(payload, claim)) {
      throw new JWTClaimValidationFailed(`missing required "${claim}" claim`, payload, claim, "missing");
    }
  }
  if (issuer !== void 0 && !(Array.isArray(issuer) ? issuer : [issuer]).includes(payload.iss)) {
    unexpectedClaim(payload, "iss");
  }
  if (subject !== void 0 && payload.sub !== subject) {
    unexpectedClaim(payload, "sub");
  }
  if (audience !== void 0 && !checkAudiencePresence(payload.aud, typeof audience === "string" ? [audience] : audience)) {
    unexpectedClaim(payload, "aud");
  }
  const { clockTolerance } = options;
  let tolerance = 0;
  if (typeof clockTolerance === "string") {
    tolerance = secs(clockTolerance);
  } else if (clockTolerance !== void 0) {
    if (typeof clockTolerance !== "number") {
      throw new TypeError("Invalid clockTolerance option type");
    }
    tolerance = clockTolerance;
  }
  validateInput("clockTolerance option", tolerance);
  const { currentDate } = options;
  const now = validateInput("currentDate option", epoch(currentDate === void 0 ? /* @__PURE__ */ new Date() : currentDate));
  const iat = validateNumericDate(payload, "iat", maxTokenAge !== void 0);
  const nbf = validateNumericDate(payload, "nbf");
  if (nbf !== void 0) {
    if (nbf > now + tolerance) {
      throw new JWTClaimValidationFailed('"nbf" claim timestamp check failed', payload, "nbf", checkFailed);
    }
  }
  const exp = validateNumericDate(payload, "exp");
  if (exp !== void 0) {
    if (exp <= now - tolerance) {
      throw new JWTExpired('"exp" claim timestamp check failed', payload, "exp", checkFailed);
    }
  }
  if (maxTokenAge !== void 0) {
    const age = now - iat;
    const max = validateInput("maxTokenAge option", typeof maxTokenAge === "number" ? maxTokenAge : secs(maxTokenAge));
    if (age - tolerance > max) {
      throw new JWTExpired('"iat" claim timestamp check failed (too far in the past)', payload, "iat", checkFailed);
    }
    if (age < -tolerance) {
      throw new JWTClaimValidationFailed('"iat" claim timestamp check failed (it should be in the past)', payload, "iat", checkFailed);
    }
  }
  return payload;
}
var producerPayloads;
function producerPayload(producer) {
  return producerPayloads.get(producer);
}
function jwtData(producer) {
  const payload = producerPayload(producer);
  for (const claim of ["iat", "nbf", "exp"]) {
    const value = payload[claim];
    if (typeof value === "number" && !Number.isFinite(value)) {
      throw new TypeError(`"${claim}" claim must be a finite number`);
    }
  }
  return encoder.encode(JSON.stringify(payload));
}
function jwtClaim(producer, claim) {
  return producerPayload(producer)[claim];
}
var JWTClaimsBuilder = class {
  constructor(payload = {}) {
    if (!isObject(payload)) {
      throw new TypeError("JWT Claims Set MUST be an object");
    }
    ;
    (producerPayloads ||= /* @__PURE__ */ new WeakMap()).set(this, structuredClone(payload));
  }
  setIssuer(value) {
    validateStringClaim("iss", value);
    producerPayload(this).iss = value;
    return this;
  }
  setSubject(value) {
    validateStringClaim("sub", value);
    producerPayload(this).sub = value;
    return this;
  }
  setAudience(value) {
    validateAudienceClaim(value);
    producerPayload(this).aud = value;
    return this;
  }
  setJti(value) {
    validateStringClaim("jti", value);
    producerPayload(this).jti = value;
    return this;
  }
  setNotBefore(value) {
    producerPayload(this).nbf = numericDate(value, "setNotBefore");
    return this;
  }
  setExpirationTime(value) {
    producerPayload(this).exp = numericDate(value, "setExpirationTime");
    return this;
  }
  setIssuedAt(value) {
    const payload = producerPayload(this);
    if (value === void 0) {
      payload.iat = epoch(/* @__PURE__ */ new Date());
    } else if (typeof value === "string") {
      payload.iat = validateInput("setIssuedAt", epoch(/* @__PURE__ */ new Date()) + secs(value));
    } else {
      payload.iat = numericDate(value, "setIssuedAt");
    }
    return this;
  }
};

// dist/webapi/jwt/verify.js
async function jwtVerify(jwt, key, options) {
  const verified = await verifyCompact(jwt, prepareVerify(options), key);
  if (!verified[2]) {
    throw new JWTInvalid("JWTs MUST NOT use unencoded payload");
  }
  const payload = validateClaimsSet(verified[1], verified[0], options);
  const result = { payload, protectedHeader: verified[1] };
  if (typeof key === "function") {
    return { ...result, key: verified[3] };
  }
  return result;
}

// dist/webapi/jwt/decrypt.js
async function jwtDecrypt(jwt, key, options) {
  const decrypted = await decryptCompact(jwt, prepareDecrypt(options), key);
  const protectedHeader = decrypted[1];
  const payload = validateClaimsSet(protectedHeader, decrypted[0], options);
  for (const claim of ["iss", "sub", "aud"]) {
    if (protectedHeader[claim] !== void 0 && (claim === "aud" ? JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud) : protectedHeader[claim] !== payload[claim])) {
      throw new JWTClaimValidationFailed(`replicated "${claim}" claim header parameter mismatch`, payload, claim, "mismatch");
    }
  }
  const result = { payload, protectedHeader };
  if (typeof key === "function") {
    return { ...result, key: decrypted[2] };
  }
  return result;
}

// dist/webapi/jwe/compact/encrypt.js
var CompactEncrypt = class {
  #plaintext;
  #protectedHeader;
  #cek;
  #iv;
  #keyManagementParameters;
  constructor(plaintext) {
    assertUint8Array(plaintext, "plaintext");
    this.#plaintext = plaintext;
  }
  setContentEncryptionKey(cek) {
    assertNotSet(this.#cek, "setContentEncryptionKey");
    this.#cek = cek;
    return this;
  }
  setInitializationVector(iv) {
    assertNotSet(this.#iv, "setInitializationVector");
    this.#iv = iv;
    return this;
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  setKeyManagementParameters(parameters) {
    assertNotSet(this.#keyManagementParameters, "setKeyManagementParameters");
    this.#keyManagementParameters = parameters;
    return this;
  }
  async encrypt(key, options) {
    const jwe = await createJWE([
      this.#plaintext,
      this.#protectedHeader,
      void 0,
      void 0,
      void 0,
      this.#cek,
      this.#iv,
      this.#keyManagementParameters,
      void 0,
      false
    ], key, options);
    return [jwe.protected, jwe.encrypted_key, jwe.iv, jwe.ciphertext, jwe.tag].join(".");
  }
};

// dist/webapi/jwe/flattened/encrypt.js
var FlattenedEncrypt = class {
  #plaintext;
  #protectedHeader;
  #sharedUnprotectedHeader;
  #unprotectedHeader;
  #aad;
  #cek;
  #iv;
  #keyManagementParameters;
  constructor(plaintext) {
    assertUint8Array(plaintext, "plaintext");
    this.#plaintext = plaintext;
  }
  setKeyManagementParameters(parameters) {
    assertNotSet(this.#keyManagementParameters, "setKeyManagementParameters");
    this.#keyManagementParameters = parameters;
    return this;
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  setSharedUnprotectedHeader(sharedUnprotectedHeader) {
    assertNotSet(this.#sharedUnprotectedHeader, "setSharedUnprotectedHeader");
    this.#sharedUnprotectedHeader = sharedUnprotectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    assertNotSet(this.#unprotectedHeader, "setUnprotectedHeader");
    this.#unprotectedHeader = unprotectedHeader;
    return this;
  }
  setAdditionalAuthenticatedData(aad) {
    this.#aad = aad;
    return this;
  }
  setContentEncryptionKey(cek) {
    assertNotSet(this.#cek, "setContentEncryptionKey");
    this.#cek = cek;
    return this;
  }
  setInitializationVector(iv) {
    assertNotSet(this.#iv, "setInitializationVector");
    this.#iv = iv;
    return this;
  }
  async encrypt(key, options) {
    return createJWE([
      this.#plaintext,
      this.#protectedHeader,
      this.#unprotectedHeader,
      this.#sharedUnprotectedHeader,
      this.#aad,
      this.#cek,
      this.#iv,
      this.#keyManagementParameters,
      void 0,
      false
    ], key, options);
  }
};

// dist/webapi/lib/jws_sign.js
function serializeProtectedHeader(protectedHeader) {
  if (protectedHeader === void 0)
    return [void 0, ""];
  const normalized = serializeJoseHeader(JWSInvalid, protectedHeader);
  return [normalized[0], encode2(normalized[1])];
}
function validateSignatureHeader(protectedHeader, joseHeader, crit) {
  validateCritDuplicates(JWSInvalid, protectedHeader);
  return validateB64(protectedHeader, validateCrit(JWSInvalid, JWS_RECOGNIZED, crit, protectedHeader, joseHeader));
}
function signatureAlgorithm(joseHeader) {
  const alg = joseHeader.alg;
  if (typeof alg !== "string" || !alg) {
    throw new JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
  }
  return jwsAlgorithm(alg);
}
async function signSignature(protectedHeader, payload, entry, key) {
  const data = concat(encode(protectedHeader), encode("."), payload);
  const k = await prepareKey(entry, key, "sign");
  return encode2(await sign(entry, k, data));
}
async function createSignature(input, key, assertB64) {
  let { protectedHeader, unprotectedHeader } = input;
  let protectedHeaderString;
  [protectedHeader, protectedHeaderString] = serializeProtectedHeader(protectedHeader);
  if (unprotectedHeader !== void 0) {
    unprotectedHeader = serializeJoseHeader(JWSInvalid, unprotectedHeader)[0];
  }
  if (!protectedHeader && !unprotectedHeader) {
    throw new JWSInvalid("either setProtectedHeader or setUnprotectedHeader must be called before #sign()");
  }
  if (!isDisjoint(protectedHeader, unprotectedHeader)) {
    throw new JWSInvalid("JWS Protected and JWS Unprotected Header Parameter names must be disjoint");
  }
  const joseHeader = { ...protectedHeader, ...unprotectedHeader };
  const b64 = validateSignatureHeader(protectedHeader, joseHeader, input.crit);
  assertB64?.(b64);
  const entry = signatureAlgorithm(joseHeader);
  let payloadS;
  let payloadB;
  if (b64) {
    const encoded = input.encoded ??= [];
    encoded[0] ??= encode2(input.payload);
    encoded[1] ??= encode(encoded[0]);
    payloadS = encoded[0];
    payloadB = encoded[1];
  } else {
    payloadB = input.payload;
    payloadS = "";
  }
  const jws = {
    signature: await signSignature(protectedHeaderString, payloadB, entry, key),
    payload: payloadS
  };
  if (protectedHeader) {
    jws.protected = protectedHeaderString;
  }
  if (unprotectedHeader) {
    jws.header = unprotectedHeader;
  }
  return [jws, b64];
}
async function createCompactSignature(payload, inputProtectedHeader, inputCrit, key, rejectUnencoded) {
  const [protectedHeader, protectedHeaderString] = serializeProtectedHeader(inputProtectedHeader);
  if (!protectedHeader) {
    throw new JWSInvalid("either setProtectedHeader or setUnprotectedHeader must be called before #sign()");
  }
  const b64 = validateSignatureHeader(protectedHeader, protectedHeader, inputCrit);
  if (!b64)
    rejectUnencoded();
  const entry = signatureAlgorithm(protectedHeader);
  const encodedPayload = encode2(payload);
  const signature = await signSignature(protectedHeaderString, encode(encodedPayload), entry, key);
  return `${protectedHeaderString}.${encodedPayload}.${signature}`;
}

// dist/webapi/jws/compact/sign.js
var CompactSign = class {
  #payload;
  #protectedHeader;
  constructor(payload) {
    if (!(payload instanceof Uint8Array)) {
      throw new TypeError("payload must be an instance of Uint8Array");
    }
    this.#payload = payload;
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  async sign(key, options) {
    return createCompactSignature(this.#payload, this.#protectedHeader, options?.crit, key, () => {
      throw new TypeError("use the flattened module for creating JWS with b64: false");
    });
  }
};

// dist/webapi/jws/flattened/sign.js
var FlattenedSign = class {
  #payload;
  #protectedHeader;
  #unprotectedHeader;
  constructor(payload) {
    if (!(payload instanceof Uint8Array)) {
      throw new TypeError("payload must be an instance of Uint8Array");
    }
    this.#payload = payload;
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    assertNotSet(this.#unprotectedHeader, "setUnprotectedHeader");
    this.#unprotectedHeader = unprotectedHeader;
    return this;
  }
  async sign(key, options) {
    const [jws] = await createSignature({
      payload: this.#payload,
      protectedHeader: this.#protectedHeader,
      unprotectedHeader: this.#unprotectedHeader,
      crit: options?.crit
    }, key);
    return jws;
  }
};

// dist/webapi/jws/general/sign.js
var IndividualSignature = class {
  #parent;
  state;
  constructor(sig2, key, options) {
    this.#parent = sig2;
    this.state = [void 0, void 0, key, options?.crit];
  }
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.state[0], "setProtectedHeader");
    this.state[0] = protectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    assertNotSet(this.state[1], "setUnprotectedHeader");
    this.state[1] = unprotectedHeader;
    return this;
  }
  addSignature(...args) {
    return this.#parent.addSignature(...args);
  }
  sign(...args) {
    return this.#parent.sign(...args);
  }
  done() {
    return this.#parent;
  }
};
var GeneralSign = class {
  #payload;
  #signatures = [];
  constructor(payload) {
    this.#payload = payload;
  }
  addSignature(key, options) {
    const signature = new IndividualSignature(this, key, options);
    this.#signatures.push(signature);
    return signature;
  }
  async sign() {
    if (!this.#signatures.length) {
      throw new JWSInvalid("at least one signature must be added");
    }
    if (!(this.#payload instanceof Uint8Array)) {
      throw new TypeError("payload must be an instance of Uint8Array");
    }
    const jws = {
      signatures: [],
      payload: ""
    };
    const encoded = [];
    let b64;
    for (let i = 0; i < this.#signatures.length; i++) {
      const signature = this.#signatures[i];
      const [protectedHeader, unprotectedHeader, key, crit] = signature.state;
      const [{ payload, ...rest }, signatureB64] = await createSignature({
        payload: this.#payload,
        protectedHeader,
        unprotectedHeader,
        crit,
        encoded
      }, key);
      if (b64 === void 0) {
        b64 = signatureB64;
        jws.payload = payload;
      } else if (b64 !== signatureB64) {
        throw new JWSInvalid("inconsistent use of JWS Unencoded Payload (RFC7797)");
      }
      jws.signatures.push(rest);
    }
    return jws;
  }
};

// dist/webapi/jwt/sign.js
var SignJWT_base = JWTClaimsBuilder;
var SignJWT = class extends SignJWT_base {
  #protectedHeader;
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  async sign(key, options) {
    return createCompactSignature(jwtData(this), this.#protectedHeader, options?.crit, key, () => {
      throw new JWTInvalid("JWTs MUST NOT use unencoded payload");
    });
  }
};

// dist/webapi/jwt/encrypt.js
var EncryptJWT_base = JWTClaimsBuilder;
var EncryptJWT = class extends EncryptJWT_base {
  #cek;
  #iv;
  #keyManagementParameters;
  #protectedHeader;
  #replicateIssuerAsHeader;
  #replicateSubjectAsHeader;
  #replicateAudienceAsHeader;
  setProtectedHeader(protectedHeader) {
    assertNotSet(this.#protectedHeader, "setProtectedHeader");
    this.#protectedHeader = protectedHeader;
    return this;
  }
  setKeyManagementParameters(parameters) {
    assertNotSet(this.#keyManagementParameters, "setKeyManagementParameters");
    this.#keyManagementParameters = parameters;
    return this;
  }
  setContentEncryptionKey(cek) {
    assertNotSet(this.#cek, "setContentEncryptionKey");
    this.#cek = cek;
    return this;
  }
  setInitializationVector(iv) {
    assertNotSet(this.#iv, "setInitializationVector");
    this.#iv = iv;
    return this;
  }
  replicateIssuerAsHeader() {
    this.#replicateIssuerAsHeader = true;
    return this;
  }
  replicateSubjectAsHeader() {
    this.#replicateSubjectAsHeader = true;
    return this;
  }
  replicateAudienceAsHeader() {
    this.#replicateAudienceAsHeader = true;
    return this;
  }
  async encrypt(key, options) {
    const plaintext = jwtData(this);
    if (this.#protectedHeader && (this.#replicateIssuerAsHeader || this.#replicateSubjectAsHeader || this.#replicateAudienceAsHeader)) {
      this.#protectedHeader = {
        ...this.#protectedHeader,
        iss: this.#replicateIssuerAsHeader ? jwtClaim(this, "iss") : void 0,
        sub: this.#replicateSubjectAsHeader ? jwtClaim(this, "sub") : void 0,
        aud: this.#replicateAudienceAsHeader ? jwtClaim(this, "aud") : void 0
      };
    }
    const jwe = await createJWE([
      plaintext,
      this.#protectedHeader,
      void 0,
      void 0,
      void 0,
      this.#cek,
      this.#iv,
      this.#keyManagementParameters,
      void 0,
      false
    ], key, options);
    return [jwe.protected, jwe.encrypted_key, jwe.iv, jwe.ciphertext, jwe.tag].join(".");
  }
};

// dist/webapi/lib/key_algorithm.js
var algArgument = '"alg" (Algorithm)';
function unsupportedAlg(source = 'JWK "alg" (Algorithm) Parameter') {
  throw new JOSENotSupported(`Invalid or unsupported ${source} value`);
}
function keyAlgorithm(alg, source) {
  return (typeof alg === "string" ? JWS[alg] ?? JWE[alg] : void 0) ?? unsupportedAlg(source);
}

// dist/webapi/lib/key_options.js
function validateExtractableOption(extractable) {
  if (extractable !== void 0 && typeof extractable !== "boolean") {
    throw new TypeError('"extractable" option must be a boolean');
  }
  return extractable;
}

// dist/webapi/lib/asn1.js
var formatPEM = (b64, descriptor) => {
  const newlined = (b64.match(/.{1,64}/g) || []).join("\n");
  return `-----BEGIN ${descriptor}-----
${newlined}
-----END ${descriptor}-----`;
};
var genericExport = async (keyType, keyFormat, key) => {
  if (isKeyObject(key)) {
    if (key.type !== keyType) {
      throw new TypeError(`key is not a ${keyType} key`);
    }
    return key.export({ format: "pem", type: keyFormat });
  }
  if (!isCryptoKey(key)) {
    throw new TypeError(invalidKeyInput(key, "CryptoKey", "KeyObject"));
  }
  if (!key.extractable) {
    throw new TypeError("CryptoKey is not extractable");
  }
  if (key.type !== keyType) {
    throw new TypeError(`key is not a ${keyType} key`);
  }
  return formatPEM(encodeBase64(new Uint8Array(await crypto.subtle.exportKey(keyFormat, key))), `${keyType.toUpperCase()} KEY`);
};
var toSPKI = (key) => genericExport("public", "spki", key);
var toPKCS8 = (key) => genericExport("private", "pkcs8", key);
var bytesEqual = (a, b) => {
  if (a.byteLength !== b.length)
    return false;
  for (let i = 0; i < a.byteLength; i++) {
    if (a[i] !== b[i])
      return false;
  }
  return true;
};
var createASN1State = (data) => ({ data, pos: 0 });
var readByte = (state) => {
  const byte = state.data[state.pos++];
  if (byte === void 0) {
    throw new Error("Unexpected end of ASN.1 input");
  }
  return byte;
};
var parseLength = (state) => {
  const first = readByte(state);
  if (first & 128) {
    const lengthOfLen = first & 127;
    let length = 0;
    for (let i = 0; i < lengthOfLen; i++) {
      length = length << 8 | readByte(state);
    }
    return length;
  }
  return first;
};
var skipElement = (state, count = 1) => {
  while (count-- > 0) {
    state.pos++;
    const length = parseLength(state);
    state.pos += length;
  }
};
var expectTag = (state, expectedTag, errorMessage) => {
  if (readByte(state) !== expectedTag) {
    throw new Error(errorMessage);
  }
};
var getSubarray = (state, length) => {
  if (length < 0 || state.pos + length > state.data.length) {
    throw new Error("Unexpected end of ASN.1 input");
  }
  const result = state.data.subarray(state.pos, state.pos + length);
  state.pos += length;
  return result;
};
var parseAlgorithmOID = (state) => {
  expectTag(state, 6, "Expected algorithm OID");
  const oidLen = parseLength(state);
  return getSubarray(state, oidLen);
};
function parseKeyHeader(state, keyFormat) {
  expectTag(state, 48, `Invalid ${keyFormat === "spki" ? "SPKI" : "PKCS#8"} structure`);
  parseLength(state);
  if (keyFormat === "pkcs8") {
    expectTag(state, 2, "Expected version field");
    const length = parseLength(state);
    state.pos += length;
  }
  expectTag(state, 48, "Expected algorithm identifier");
  parseLength(state);
}
var parseECAlgorithmIdentifier = (state) => {
  const algOid = parseAlgorithmOID(state);
  if (bytesEqual(algOid, [43, 101, 110])) {
    return "X25519";
  }
  if (!bytesEqual(algOid, [42, 134, 72, 206, 61, 2, 1])) {
    throw new Error("Unsupported key algorithm");
  }
  expectTag(state, 6, "Expected curve OID");
  const curveOidLen = parseLength(state);
  const curveOid = getSubarray(state, curveOidLen);
  if (bytesEqual(curveOid, [42, 134, 72, 206, 61, 3, 1, 7]))
    return "P-256";
  if (bytesEqual(curveOid, [43, 129, 4, 0, 34]))
    return "P-384";
  if (bytesEqual(curveOid, [43, 129, 4, 0, 35]))
    return "P-521";
  throw new Error("Unsupported named curve");
};
var genericImport = async (keyFormat, keyData, alg, options) => {
  const extractable = validateExtractableOption(options?.extractable);
  const entry = keyAlgorithm(alg, algArgument);
  if (entry.secret) {
    unsupportedAlg(algArgument);
  }
  const isPublic = keyFormat === "spki";
  let algorithm;
  if (entry.resolve) {
    try {
      const state = createASN1State(keyData);
      parseKeyHeader(state, keyFormat);
      algorithm = entry.resolve({ crv: parseECAlgorithmIdentifier(state) });
    } catch {
      throw new JOSENotSupported("Invalid or unsupported key format");
    }
  } else {
    algorithm = entry.subtle;
  }
  return crypto.subtle.importKey(keyFormat, keyData, algorithm, extractable ?? isPublic, entry.usages[isPublic ? 0 : 1]);
};
var processPEMData = (pem, pattern) => {
  return decodeBase64(pem.replace(pattern, ""));
};
var fromPKCS8 = (pem, alg, options) => {
  const keyData = processPEMData(pem, /(?:-----(?:BEGIN|END) PRIVATE KEY-----|\s)/g);
  return genericImport("pkcs8", keyData, alg, options);
};
var fromSPKI = (pem, alg, options) => {
  const keyData = processPEMData(pem, /(?:-----(?:BEGIN|END) PUBLIC KEY-----|\s)/g);
  return genericImport("spki", keyData, alg, options);
};
function spkiFromX509(buf) {
  const state = createASN1State(buf);
  expectTag(state, 48, "Invalid certificate structure");
  const certificateLength = parseLength(state);
  if (certificateLength < 0 || state.pos + certificateLength > state.data.length) {
    throw new Error("Unexpected end of ASN.1 input");
  }
  expectTag(state, 48, "Invalid tbsCertificate structure");
  parseLength(state);
  if (buf[state.pos] === 160) {
    skipElement(state, 6);
  } else {
    skipElement(state, 5);
  }
  const spkiStart = state.pos;
  expectTag(state, 48, "Invalid SPKI structure");
  const spkiContentLen = parseLength(state);
  return buf.subarray(spkiStart, spkiStart + spkiContentLen + (state.pos - spkiStart));
}
var fromX509 = (pem, alg, options) => {
  let spki;
  try {
    const certificate = processPEMData(pem, /(?:-----(?:BEGIN|END) CERTIFICATE-----|\s)/g);
    spki = spkiFromX509(certificate);
  } catch (cause) {
    throw new TypeError("Failed to parse the X.509 certificate", { cause });
  }
  return genericImport("spki", spki, alg, options);
};

// dist/webapi/key/export.js
function omitUndefinedProperties(jwk) {
  return Object.fromEntries(Object.entries(jwk).filter(([, value]) => value !== void 0));
}
async function keyToJWK(key) {
  if (isKeyObject(key)) {
    if (key.type === "secret") {
      key = key.export();
    } else {
      return key.export({ format: "jwk" });
    }
  }
  if (key instanceof Uint8Array) {
    return {
      kty: "oct",
      k: encode2(key)
    };
  }
  if (!isCryptoKey(key)) {
    throw new TypeError(invalidKeyInput(key, "CryptoKey", "KeyObject", "Uint8Array"));
  }
  if (!key.extractable) {
    throw new TypeError("non-extractable CryptoKey cannot be exported as a JWK");
  }
  const { ext, key_ops, alg, use, ...jwk } = omitUndefinedProperties(await crypto.subtle.exportKey("jwk", key));
  if (jwk.kty === "AKP") {
    ;
    jwk.alg = alg;
  }
  return jwk;
}
function exportSPKI(key) {
  return toSPKI(key);
}
function exportPKCS8(key) {
  return toPKCS8(key);
}
function exportJWK(key) {
  return keyToJWK(key);
}

// dist/webapi/jwk/thumbprint.js
var check = (value, description) => {
  if (typeof value !== "string" || !value) {
    throw new JWKInvalid(`${description} missing or invalid`);
  }
};
async function calculateJwkThumbprint(key, digestAlgorithm) {
  let jwk;
  if (isObject(key)) {
    jwk = snapshotJwk(key);
    if (typeof jwk.kty !== "string") {
      throw new TypeError(invalidKeyInput(key, "CryptoKey", "KeyObject", "JSON Web Key"));
    }
  } else if (isKeyLike(key)) {
    jwk = snapshotJwk(await exportJWK(key));
  } else {
    throw new TypeError(invalidKeyInput(key, "CryptoKey", "KeyObject", "JSON Web Key"));
  }
  digestAlgorithm ??= "sha256";
  if (digestAlgorithm !== "sha256" && digestAlgorithm !== "sha384" && digestAlgorithm !== "sha512") {
    throw new TypeError('digestAlgorithm must one of "sha256", "sha384", or "sha512"');
  }
  let components;
  switch (jwk.kty) {
    case "AKP":
      check(jwk.alg, '"alg" (Algorithm) Parameter');
      check(jwk.pub, '"pub" (Public key) Parameter');
      components = { alg: jwk.alg, kty: jwk.kty, pub: jwk.pub };
      break;
    case "EC":
      check(jwk.crv, '"crv" (Curve) Parameter');
      check(jwk.x, '"x" (X Coordinate) Parameter');
      check(jwk.y, '"y" (Y Coordinate) Parameter');
      components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x, y: jwk.y };
      break;
    case "OKP":
      check(jwk.crv, '"crv" (Subtype of Key Pair) Parameter');
      check(jwk.x, '"x" (Public Key) Parameter');
      components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x };
      break;
    case "RSA":
      check(jwk.e, '"e" (Exponent) Parameter');
      check(jwk.n, '"n" (Modulus) Parameter');
      components = { e: jwk.e, kty: jwk.kty, n: jwk.n };
      break;
    case "oct":
      if (typeof jwk.k !== "string") {
        throw new JWKInvalid('"k" (Key Value) Parameter missing or invalid');
      }
      components = { k: jwk.k, kty: jwk.kty };
      break;
    default:
      throw new JOSENotSupported('"kty" (Key Type) Parameter missing or unsupported');
  }
  const data = encode(JSON.stringify(components));
  return encode2(await digest(digestAlgorithm, data));
}
async function calculateJwkThumbprintUri(key, digestAlgorithm) {
  digestAlgorithm ??= "sha256";
  const thumbprint = await calculateJwkThumbprint(key, digestAlgorithm);
  return `urn:ietf:params:oauth:jwk-thumbprint:sha-${digestAlgorithm.slice(-3)}:${thumbprint}`;
}

// dist/webapi/jwk/embedded.js
async function EmbeddedJWK(protectedHeader, token) {
  const joseHeader = {
    ...protectedHeader,
    ...token?.header
  };
  if (!isObject(joseHeader.jwk)) {
    throw new JWSInvalid('"jwk" (JSON Web Key) Header Parameter must be a JSON object');
  }
  let jwk;
  try {
    jwk = normalizeJwk(joseHeader.jwk);
  } catch (cause) {
    throw new JWSInvalid("Invalid Embedded JWK", { cause });
  }
  const entry = jwsAlgorithm(joseHeader.alg);
  if (jwk.use !== void 0 && jwk.use !== "sig") {
    throw new JWSInvalid('Invalid Embedded JWK, its "use" must be "sig" when present');
  }
  if (jwk.alg !== void 0 && jwk.alg !== entry.alg) {
    throw new JWSInvalid(`Invalid Embedded JWK, its "alg" must be "${entry.alg}" when present`);
  }
  const key = await jwkToKey(entry, { ...jwk, ext: true });
  if (key.type !== "public") {
    throw new JWSInvalid('"jwk" (JSON Web Key) Header Parameter must be a public key');
  }
  return key;
}

// dist/webapi/jwks/local.js
function isUsableJWK(jwk, entry, alg, kid) {
  const { kty, key_ops, ext, kid: jwkKid, alg: jwkAlg, use, crv } = snapshotJwk(jwk);
  const keyOps = Array.isArray(key_ops) ? [...key_ops] : key_ops;
  return (ext === void 0 || typeof ext === "boolean") && (keyOps === void 0 || Array.isArray(keyOps) && keyOps.every((operation, index) => typeof operation === "string" && keyOps.indexOf(operation) === index) && keyOps.includes("verify")) && entry.kty.includes(kty) && (kid === void 0 || typeof kid === "string" && kid === jwkKid) && (jwkAlg === void 0 ? kty !== "AKP" : alg === jwkAlg) && (use === void 0 || use === "sig") && (!entry.crv || crv === entry.crv);
}
async function importWithAlgCache(cache2, jwk, entry) {
  const cached2 = cache2.get(jwk) || cache2.set(jwk, {}).get(jwk);
  const { alg } = entry;
  if (cached2[alg] === void 0) {
    const key = await jwkToKey(entry, { ...jwk, alg, ext: true });
    if (key.type !== "public") {
      throw new JWKSInvalid("JSON Web Key Set members must be public keys");
    }
    cached2[alg] = key;
  }
  return cached2[alg];
}
function createLocalJWKSet(jwks) {
  let snapshot;
  try {
    snapshot = structuredClone(jwks);
  } catch {
  }
  if (!isJwkSet(snapshot)) {
    throw new JWKSInvalid("JSON Web Key Set malformed");
  }
  const cached2 = /* @__PURE__ */ new WeakMap();
  const localJWKSet = async (protectedHeader, token) => {
    const { alg, kid } = { ...protectedHeader, ...token?.header };
    const entry = typeof alg === "string" ? JWS[alg] : void 0;
    if (!entry || entry.secret) {
      throw new JOSENotSupported('Unsupported "alg" value for a JSON Web Key Set');
    }
    const candidates = snapshot.keys.filter((jwk2) => isUsableJWK(jwk2, entry, alg, kid));
    const { 0: jwk, length } = candidates;
    if (!length) {
      throw new JWKSNoMatchingKey();
    }
    if (length !== 1) {
      const error = new JWKSMultipleMatchingKeys();
      error[Symbol.asyncIterator] = async function* () {
        for (const jwk2 of candidates) {
          try {
            yield await importWithAlgCache(cached2, jwk2, entry);
          } catch {
          }
        }
      };
      throw error;
    }
    return importWithAlgCache(cached2, jwk, entry);
  };
  return Object.defineProperty(localJWKSet, "jwks", {
    value: () => structuredClone(snapshot)
  });
}

// dist/webapi/jwks/remote.js
function isCloudflareWorkers() {
  return typeof WebSocketPair !== "undefined" || typeof navigator !== "undefined" && navigator.userAgent === "Cloudflare-Workers" || typeof EdgeRuntime !== "undefined" && EdgeRuntime === "vercel";
}
var USER_AGENT;
if (typeof navigator === "undefined" || !navigator.userAgent?.startsWith?.("Mozilla/5.0 ")) {
  const NAME = "jose";
  const VERSION = "v6.2.10";
  USER_AGENT = `${NAME}/${VERSION}`;
}
var customFetch = /* @__PURE__ */ Symbol();
async function fetchJwks(url, headers, signal, fetchImpl = fetch) {
  const response = await fetchImpl(url, {
    method: "GET",
    signal,
    redirect: "manual",
    headers
  }).catch((err) => {
    if (err.name === "TimeoutError") {
      throw new JWKSTimeout();
    }
    throw err;
  });
  if (response.status !== 200) {
    throw new JOSEError("Expected 200 OK from the JSON Web Key Set HTTP response");
  }
  try {
    return await response.json();
  } catch {
    throw new JOSEError("Failed to parse the JSON Web Key Set HTTP response as JSON");
  }
}
var jwksCache = /* @__PURE__ */ Symbol();
function isFreshFor(timestamp, duration) {
  return Number.isFinite(timestamp) && Date.now() < timestamp + duration;
}
function validateDuration(value, fallback, option) {
  if (Number.isNaN(value)) {
    throw new TypeError(`"${option}" option must not be NaN`);
  }
  return typeof value === "number" ? value : fallback;
}
function createRemoteJWKSet(url, options) {
  if (!(url instanceof URL)) {
    throw new TypeError("url must be an instance of URL");
  }
  const href = new URL(url.href).href;
  const opts = options ?? {};
  const timeoutOption = opts.timeoutDuration;
  if (typeof timeoutOption === "number" && (!Number.isInteger(timeoutOption) || timeoutOption < 0)) {
    throw new TypeError('"timeoutDuration" option must be a non-negative integer');
  }
  const timeoutDuration = typeof timeoutOption === "number" ? timeoutOption : 5e3;
  const cooldownDuration = validateDuration(opts.cooldownDuration, 3e4, "cooldownDuration");
  const cacheMaxAge = validateDuration(opts.cacheMaxAge, 6e5, "cacheMaxAge");
  const headers = new Headers(opts.headers);
  if (USER_AGENT && !headers.has("User-Agent")) {
    headers.set("User-Agent", USER_AGENT);
  }
  if (!headers.has("accept")) {
    headers.set("accept", "application/json, application/jwk-set+json");
  }
  const fetchImpl = opts[customFetch];
  const cache2 = opts[jwksCache];
  let jwksTimestamp;
  let pendingFetch;
  let reloadSequence = 0;
  let appliedSequence = 0;
  let local;
  if (cache2 && typeof cache2 === "object") {
    const { uat, jwks } = cache2;
    if (isFreshFor(uat, cacheMaxAge) && isJwkSet(jwks)) {
      jwksTimestamp = uat;
      local = createLocalJWKSet(jwks);
    }
  }
  const reload = async () => {
    if (pendingFetch && isCloudflareWorkers()) {
      pendingFetch = void 0;
    }
    if (!pendingFetch) {
      const sequence = ++reloadSequence;
      const current = pendingFetch = fetchJwks(href, headers, AbortSignal.timeout(timeoutDuration), fetchImpl).then((json) => {
        const next = createLocalJWKSet(json);
        if (sequence <= appliedSequence) {
          return;
        }
        local = next;
        const updatedAt = Date.now();
        if (cache2) {
          cache2.uat = updatedAt;
          cache2.jwks = json;
        }
        jwksTimestamp = updatedAt;
        appliedSequence = sequence;
      }).finally(() => {
        if (pendingFetch === current) {
          pendingFetch = void 0;
        }
      });
    }
    await pendingFetch;
  };
  const remoteJWKSet = async (protectedHeader, token) => {
    if (!local || !isFreshFor(jwksTimestamp, cacheMaxAge)) {
      await reload();
    }
    try {
      return await local(protectedHeader, token);
    } catch (err) {
      if (err instanceof JWKSNoMatchingKey && !isFreshFor(jwksTimestamp, cooldownDuration)) {
        await reload();
        return local(protectedHeader, token);
      }
      throw err;
    }
  };
  return Object.defineProperties(remoteJWKSet, {
    coolingDown: {
      get: () => isFreshFor(jwksTimestamp, cooldownDuration),
      enumerable: true
    },
    fresh: {
      get: () => isFreshFor(jwksTimestamp, cacheMaxAge),
      enumerable: true
    },
    reload: {
      value: reload,
      enumerable: true
    },
    reloading: {
      get: () => !!pendingFetch,
      enumerable: true
    },
    jwks: {
      value: () => local?.jwks(),
      enumerable: true
    }
  });
}

// dist/webapi/jwt/unsecured.js
var UnsecuredJWT_base = JWTClaimsBuilder;
var UnsecuredJWT = class extends UnsecuredJWT_base {
  encode() {
    const header = encode2(JSON.stringify({ alg: "none" }));
    const payload = encode2(jwtData(this));
    return `${header}.${payload}.`;
  }
  static decode(jwt, options) {
    if (typeof jwt !== "string") {
      throw new JWTInvalid("Unsecured JWT must be a string");
    }
    const { 0: encodedHeader, 1: encodedPayload, 2: signature, length } = jwt.split(".");
    if (length !== 3 || signature !== "") {
      throw new JWTInvalid("Invalid Unsecured JWT");
    }
    let header;
    let b64;
    try {
      header = parseJoseHeader(encodedHeader, JWSInvalid, "JWS Protected Header is invalid");
      const extensions = validateCrit(JWSInvalid, JWS_RECOGNIZED, void 0, header, header);
      b64 = validateB64(header, extensions);
    } catch (cause) {
      if (!(cause instanceof JWSInvalid)) {
        throw cause;
      }
      throw new JWTInvalid("Invalid Unsecured JWT", { cause });
    }
    if (header.alg !== "none") {
      throw new JWTInvalid("Invalid Unsecured JWT");
    }
    if (!b64) {
      throw new JWTInvalid("JWTs MUST NOT use unencoded payload");
    }
    const payload = validateClaimsSet(header, decodeBase64url(encodedPayload, "payload", JWTInvalid), options);
    return { payload, header };
  }
};

// dist/webapi/key/import.js
async function importSPKI(spki, alg, options) {
  if (typeof spki !== "string" || spki.indexOf("-----BEGIN PUBLIC KEY-----") !== 0) {
    throw new TypeError('"spki" must be SPKI formatted string');
  }
  return fromSPKI(spki, alg, options);
}
async function importX509(x509, alg, options) {
  if (typeof x509 !== "string" || x509.indexOf("-----BEGIN CERTIFICATE-----") !== 0) {
    throw new TypeError('"x509" must be X.509 formatted string');
  }
  return fromX509(x509, alg, options);
}
async function importPKCS8(pkcs8, alg, options) {
  if (typeof pkcs8 !== "string" || pkcs8.indexOf("-----BEGIN PRIVATE KEY-----") !== 0) {
    throw new TypeError('"pkcs8" must be PKCS#8 formatted string');
  }
  return fromPKCS8(pkcs8, alg, options);
}
async function importJWK(jwk, alg, options) {
  if (!isObject(jwk)) {
    throw new TypeError("JWK must be an object");
  }
  const normalized = normalizeJwk(jwk);
  const extractable = validateExtractableOption(options?.extractable);
  const { alg: jwkAlg } = normalized;
  alg ??= jwkAlg;
  const ext = extractable ?? normalized.ext;
  if (normalized.kty !== "oct" && !alg) {
    throw new TypeError('"alg" argument is required when "jwk.alg" is not present');
  }
  switch (normalized.kty) {
    case "oct":
      if (typeof normalized.k !== "string") {
        throw new TypeError('missing "k" (Key Value) Parameter value');
      }
      return decode(normalized.k);
    case "AKP": {
      if (typeof jwkAlg !== "string" || !jwkAlg) {
        throw new TypeError('missing "alg" (Algorithm) Parameter value');
      }
      if (alg !== jwkAlg) {
        throw new TypeError("JWK alg and alg option value mismatch");
      }
      return jwkToKey(keyAlgorithm(alg), { ...normalized, ext });
    }
    case "RSA":
    case "EC":
    case "OKP":
      return jwkToKey(keyAlgorithm(alg), { ...normalized, alg, ext });
    default:
      throw new JOSENotSupported('Unsupported "kty" (Key Type) Parameter value');
  }
}

// dist/webapi/util/decode_protected_header.js
function decodeProtectedHeader(token) {
  let protectedB64u;
  if (typeof token === "string") {
    const parts = token.split(".");
    if (parts.length === 3 || parts.length === 5) {
      ;
      [protectedB64u] = parts;
    }
  } else if (typeof token === "object" && token) {
    if ("protected" in token) {
      protectedB64u = token.protected;
    } else {
      throw new TypeError("Token does not contain a Protected Header");
    }
  }
  const invalid2 = "Invalid Token or Protected Header formatting";
  if (typeof protectedB64u !== "string" || !protectedB64u) {
    throw new TypeError(invalid2);
  }
  return parseJoseHeader(protectedB64u, TypeError, invalid2);
}

// dist/webapi/util/decode_jwt.js
function decodeJwt(jwt) {
  if (typeof jwt !== "string")
    throw new JWTInvalid("JWTs must use Compact JWS serialization, JWT must be a string");
  const { 1: payload, length } = jwt.split(".");
  if (length === 5)
    throw new JWTInvalid("Only JWTs using Compact JWS serialization can be decoded");
  if (length !== 3)
    throw new JWTInvalid("Invalid JWT");
  if (!payload)
    throw new JWTInvalid("JWTs must contain a payload");
  let decoded;
  try {
    decoded = decode(payload);
  } catch {
    throw new JWTInvalid("Failed to base64url decode the payload");
  }
  let result;
  try {
    result = JSON.parse(strictDecoder.decode(decoded));
  } catch {
    throw new JWTInvalid("Failed to parse the decoded payload as JSON");
  }
  if (!isObject(result))
    throw new JWTInvalid("Invalid JWT Claims Set");
  return result;
}

// dist/webapi/key/generate_key_pair.js
function getModulusLengthOption(options) {
  const modulusLength = options?.modulusLength ?? 2048;
  if (typeof modulusLength !== "number" || !Number.isInteger(modulusLength) || modulusLength < 2048) {
    throw new JOSENotSupported("Invalid or unsupported modulusLength option provided, 2048 bits or larger keys must be used");
  }
  return modulusLength;
}
async function generateKeyPair(alg, options) {
  const extractable = validateExtractableOption(options?.extractable);
  const entry = keyAlgorithm(alg, algArgument);
  if (entry.secret) {
    unsupportedAlg(algArgument);
  }
  let algorithm;
  if (entry.resolve) {
    const crv = options?.crv ?? "P-256";
    switch (crv) {
      case "P-256":
      case "P-384":
      case "P-521":
        algorithm = { name: "ECDH", namedCurve: crv };
        break;
      case "X25519":
        algorithm = { name: "X25519" };
        break;
      default:
        throw new JOSENotSupported("Invalid or unsupported crv option provided, supported values are P-256, P-384, P-521, and X25519");
    }
  } else {
    if (entry.crv !== void 0 && options?.crv !== void 0 && options.crv !== entry.crv) {
      throw new JOSENotSupported(`Invalid or unsupported crv option provided, the only supported value for ${alg} is ${entry.crv}`);
    }
    algorithm = entry.kty[0] === "RSA" ? {
      ...entry.subtle,
      publicExponent: Uint8Array.of(1, 0, 1),
      modulusLength: getModulusLengthOption(options)
    } : entry.subtle;
  }
  return crypto.subtle.generateKey(algorithm, extractable ?? false, [
    ...entry.usages[1],
    ...entry.usages[0]
  ]);
}

// dist/webapi/key/generate_secret.js
async function generateSecret(alg, options) {
  const extractable = validateExtractableOption(options?.extractable);
  let length;
  let algorithm;
  let keyUsages;
  switch (alg) {
    case "HS256":
    case "HS384":
    case "HS512":
      length = +alg.slice(-3);
      algorithm = { name: "HMAC", hash: `SHA-${length}`, length };
      keyUsages = ["sign", "verify"];
      break;
    case "A128CBC-HS256":
    case "A192CBC-HS384":
    case "A256CBC-HS512":
      return crypto.getRandomValues(new Uint8Array(+alg.slice(-3) >> 3));
    case "A128KW":
    case "A192KW":
    case "A256KW":
      length = +alg.slice(1, 4);
      algorithm = { name: "AES-KW", length };
      keyUsages = ["wrapKey", "unwrapKey"];
      break;
    case "A128GCMKW":
    case "A192GCMKW":
    case "A256GCMKW":
    case "A128GCM":
    case "A192GCM":
    case "A256GCM":
      length = +alg.slice(1, 4);
      algorithm = { name: "AES-GCM", length };
      keyUsages = ["encrypt", "decrypt"];
      break;
    default:
      unsupportedAlg(algArgument);
  }
  return crypto.subtle.generateKey(algorithm, extractable ?? false, keyUsages);
}

// dist/webapi/index.js
var cryptoRuntime = "WebCryptoAPI";
export {
  CompactEncrypt,
  CompactSign,
  EmbeddedJWK,
  EncryptJWT,
  FlattenedEncrypt,
  FlattenedSign,
  GeneralEncrypt,
  GeneralSign,
  SignJWT,
  UnsecuredJWT,
  base64url_exports as base64url,
  calculateJwkThumbprint,
  calculateJwkThumbprintUri,
  compactDecrypt,
  compactVerify,
  createLocalJWKSet,
  createRemoteJWKSet,
  cryptoRuntime,
  customFetch,
  decodeJwt,
  decodeProtectedHeader,
  errors_exports as errors,
  exportJWK,
  exportPKCS8,
  exportSPKI,
  flattenedDecrypt,
  flattenedVerify,
  generalDecrypt,
  generalVerify,
  generateKeyPair,
  generateSecret,
  importJWK,
  importPKCS8,
  importSPKI,
  importX509,
  jwksCache,
  jwtDecrypt,
  jwtVerify
};
