main repo

node_modules/jose/dist/node/esm/lib/aesgcmkw.js

@@ -0,0 +1,14 @@
+import encrypt from '../runtime/encrypt.js';
+import decrypt from '../runtime/decrypt.js';
+import generateIv from './iv.js';
+import { encode as base64url } from '../runtime/base64url.js';
+export async function wrap(alg, key, cek, iv) {
+    const jweAlgorithm = alg.slice(0, 7);
+    iv || (iv = generateIv(jweAlgorithm));
+    const { ciphertext: encryptedKey, tag } = await encrypt(jweAlgorithm, cek, key, iv, new Uint8Array(0));
+    return { encryptedKey, iv: base64url(iv), tag: base64url(tag) };
+}
+export async function unwrap(alg, key, encryptedKey, iv, tag) {
+    const jweAlgorithm = alg.slice(0, 7);
+    return decrypt(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array(0));
+}

node_modules/jose/dist/node/esm/lib/buffer_utils.js

@@ -0,0 +1,51 @@
+import digest from '../runtime/digest.js';
+export const encoder = new TextEncoder();
+export const decoder = new TextDecoder();
+const MAX_INT32 = 2 ** 32;
+export function concat(...buffers) {
+    const size = buffers.reduce((acc, { length }) => acc + length, 0);
+    const buf = new Uint8Array(size);
+    let i = 0;
+    buffers.forEach((buffer) => {
+        buf.set(buffer, i);
+        i += buffer.length;
+    });
+    return buf;
+}
+export function p2s(alg, p2sInput) {
+    return concat(encoder.encode(alg), new Uint8Array([0]), p2sInput);
+}
+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 & 0xff], offset);
+}
+export 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;
+}
+export function uint32be(value) {
+    const buf = new Uint8Array(4);
+    writeUInt32BE(buf, value);
+    return buf;
+}
+export function lengthAndInput(input) {
+    return concat(uint32be(input.length), input);
+}
+export async function concatKdf(secret, bits, value) {
+    const iterations = Math.ceil((bits >> 3) / 32);
+    const res = new Uint8Array(iterations * 32);
+    for (let iter = 0; iter < iterations; iter++) {
+        const buf = new Uint8Array(4 + secret.length + value.length);
+        buf.set(uint32be(iter + 1));
+        buf.set(secret, 4);
+        buf.set(value, 4 + secret.length);
+        res.set(await digest('sha256', buf), iter * 32);
+    }
+    return res.slice(0, bits >> 3);
+}

node_modules/jose/dist/node/esm/lib/cek.js

@@ -0,0 +1,20 @@
+import { JOSENotSupported } from '../util/errors.js';
+import random from '../runtime/random.js';
+export function bitLength(alg) {
+    switch (alg) {
+        case 'A128GCM':
+            return 128;
+        case 'A192GCM':
+            return 192;
+        case 'A256GCM':
+        case 'A128CBC-HS256':
+            return 256;
+        case 'A192CBC-HS384':
+            return 384;
+        case 'A256CBC-HS512':
+            return 512;
+        default:
+            throw new JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
+    }
+}
+export default (alg) => random(new Uint8Array(bitLength(alg) >> 3));

node_modules/jose/dist/node/esm/lib/check_iv_length.js

@@ -0,0 +1,8 @@
+import { JWEInvalid } from '../util/errors.js';
+import { bitLength } from './iv.js';
+const checkIvLength = (enc, iv) => {
+    if (iv.length << 3 !== bitLength(enc)) {
+        throw new JWEInvalid('Invalid Initialization Vector length');
+    }
+};
+export default checkIvLength;

node_modules/jose/dist/node/esm/lib/check_key_type.js

@@ -0,0 +1,45 @@
+import { withAlg as invalidKeyInput } from './invalid_key_input.js';
+import isKeyLike, { types } from '../runtime/is_key_like.js';
+const symmetricTypeCheck = (alg, key) => {
+    if (key instanceof Uint8Array)
+        return;
+    if (!isKeyLike(key)) {
+        throw new TypeError(invalidKeyInput(alg, key, ...types, 'Uint8Array'));
+    }
+    if (key.type !== 'secret') {
+        throw new TypeError(`${types.join(' or ')} instances for symmetric algorithms must be of type "secret"`);
+    }
+};
+const asymmetricTypeCheck = (alg, key, usage) => {
+    if (!isKeyLike(key)) {
+        throw new TypeError(invalidKeyInput(alg, key, ...types));
+    }
+    if (key.type === 'secret') {
+        throw new TypeError(`${types.join(' or ')} instances for asymmetric algorithms must not be of type "secret"`);
+    }
+    if (usage === 'sign' && key.type === 'public') {
+        throw new TypeError(`${types.join(' or ')} instances for asymmetric algorithm signing must be of type "private"`);
+    }
+    if (usage === 'decrypt' && key.type === 'public') {
+        throw new TypeError(`${types.join(' or ')} instances for asymmetric algorithm decryption must be of type "private"`);
+    }
+    if (key.algorithm && usage === 'verify' && key.type === 'private') {
+        throw new TypeError(`${types.join(' or ')} instances for asymmetric algorithm verifying must be of type "public"`);
+    }
+    if (key.algorithm && usage === 'encrypt' && key.type === 'private') {
+        throw new TypeError(`${types.join(' or ')} instances for asymmetric algorithm encryption must be of type "public"`);
+    }
+};
+const checkKeyType = (alg, key, usage) => {
+    const symmetric = alg.startsWith('HS') ||
+        alg === 'dir' ||
+        alg.startsWith('PBES2') ||
+        /^A\d{3}(?:GCM)?KW$/.test(alg);
+    if (symmetric) {
+        symmetricTypeCheck(alg, key);
+    }
+    else {
+        asymmetricTypeCheck(alg, key, usage);
+    }
+};
+export default checkKeyType;

node_modules/jose/dist/node/esm/lib/check_p2s.js

@@ -0,0 +1,6 @@
+import { JWEInvalid } from '../util/errors.js';
+export default function checkP2s(p2s) {
+    if (!(p2s instanceof Uint8Array) || p2s.length < 8) {
+        throw new JWEInvalid('PBES2 Salt Input must be 8 or more octets');
+    }
+}

node_modules/jose/dist/node/esm/lib/crypto_key.js

@@ -0,0 +1,152 @@
+function unusable(name, prop = 'algorithm.name') {
+    return new TypeError(`CryptoKey does not support this operation, its ${prop} must be ${name}`);
+}
+function isAlgorithm(algorithm, name) {
+    return algorithm.name === name;
+}
+function getHashLength(hash) {
+    return parseInt(hash.name.slice(4), 10);
+}
+function getNamedCurve(alg) {
+    switch (alg) {
+        case 'ES256':
+            return 'P-256';
+        case 'ES384':
+            return 'P-384';
+        case 'ES512':
+            return 'P-521';
+        default:
+            throw new Error('unreachable');
+    }
+}
+function checkUsage(key, usages) {
+    if (usages.length && !usages.some((expected) => key.usages.includes(expected))) {
+        let msg = 'CryptoKey does not support this operation, its usages must include ';
+        if (usages.length > 2) {
+            const last = usages.pop();
+            msg += `one of ${usages.join(', ')}, or ${last}.`;
+        }
+        else if (usages.length === 2) {
+            msg += `one of ${usages[0]} or ${usages[1]}.`;
+        }
+        else {
+            msg += `${usages[0]}.`;
+        }
+        throw new TypeError(msg);
+    }
+}
+export function checkSigCryptoKey(key, alg, ...usages) {
+    switch (alg) {
+        case 'HS256':
+        case 'HS384':
+        case 'HS512': {
+            if (!isAlgorithm(key.algorithm, 'HMAC'))
+                throw unusable('HMAC');
+            const expected = parseInt(alg.slice(2), 10);
+            const actual = getHashLength(key.algorithm.hash);
+            if (actual !== expected)
+                throw unusable(`SHA-${expected}`, 'algorithm.hash');
+            break;
+        }
+        case 'RS256':
+        case 'RS384':
+        case 'RS512': {
+            if (!isAlgorithm(key.algorithm, 'RSASSA-PKCS1-v1_5'))
+                throw unusable('RSASSA-PKCS1-v1_5');
+            const expected = parseInt(alg.slice(2), 10);
+            const actual = getHashLength(key.algorithm.hash);
+            if (actual !== expected)
+                throw unusable(`SHA-${expected}`, 'algorithm.hash');
+            break;
+        }
+        case 'PS256':
+        case 'PS384':
+        case 'PS512': {
+            if (!isAlgorithm(key.algorithm, 'RSA-PSS'))
+                throw unusable('RSA-PSS');
+            const expected = parseInt(alg.slice(2), 10);
+            const actual = getHashLength(key.algorithm.hash);
+            if (actual !== expected)
+                throw unusable(`SHA-${expected}`, 'algorithm.hash');
+            break;
+        }
+        case 'EdDSA': {
+            if (key.algorithm.name !== 'Ed25519' && key.algorithm.name !== 'Ed448') {
+                throw unusable('Ed25519 or Ed448');
+            }
+            break;
+        }
+        case 'ES256':
+        case 'ES384':
+        case 'ES512': {
+            if (!isAlgorithm(key.algorithm, 'ECDSA'))
+                throw unusable('ECDSA');
+            const expected = getNamedCurve(alg);
+            const actual = key.algorithm.namedCurve;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.namedCurve');
+            break;
+        }
+        default:
+            throw new TypeError('CryptoKey does not support this operation');
+    }
+    checkUsage(key, usages);
+}
+export function checkEncCryptoKey(key, alg, ...usages) {
+    switch (alg) {
+        case 'A128GCM':
+        case 'A192GCM':
+        case 'A256GCM': {
+            if (!isAlgorithm(key.algorithm, 'AES-GCM'))
+                throw unusable('AES-GCM');
+            const expected = parseInt(alg.slice(1, 4), 10);
+            const actual = key.algorithm.length;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.length');
+            break;
+        }
+        case 'A128KW':
+        case 'A192KW':
+        case 'A256KW': {
+            if (!isAlgorithm(key.algorithm, 'AES-KW'))
+                throw unusable('AES-KW');
+            const expected = parseInt(alg.slice(1, 4), 10);
+            const actual = key.algorithm.length;
+            if (actual !== expected)
+                throw unusable(expected, 'algorithm.length');
+            break;
+        }
+        case 'ECDH': {
+            switch (key.algorithm.name) {
+                case 'ECDH':
+                case 'X25519':
+                case 'X448':
+                    break;
+                default:
+                    throw unusable('ECDH, X25519, or X448');
+            }
+            break;
+        }
+        case 'PBES2-HS256+A128KW':
+        case 'PBES2-HS384+A192KW':
+        case 'PBES2-HS512+A256KW':
+            if (!isAlgorithm(key.algorithm, 'PBKDF2'))
+                throw unusable('PBKDF2');
+            break;
+        case 'RSA-OAEP':
+        case 'RSA-OAEP-256':
+        case 'RSA-OAEP-384':
+        case 'RSA-OAEP-512': {
+            if (!isAlgorithm(key.algorithm, 'RSA-OAEP'))
+                throw unusable('RSA-OAEP');
+            const expected = parseInt(alg.slice(9), 10) || 1;
+            const actual = getHashLength(key.algorithm.hash);
+            if (actual !== expected)
+                throw unusable(`SHA-${expected}`, 'algorithm.hash');
+            break;
+        }
+        default:
+            throw new TypeError('CryptoKey does not support this operation');
+    }
+    checkUsage(key, usages);
+}

node_modules/jose/dist/node/esm/lib/decrypt_key_management.js

@@ -0,0 +1,127 @@
+import { unwrap as aesKw } from '../runtime/aeskw.js';
+import * as ECDH from '../runtime/ecdhes.js';
+import { decrypt as pbes2Kw } from '../runtime/pbes2kw.js';
+import { decrypt as rsaEs } from '../runtime/rsaes.js';
+import { decode as base64url } from '../runtime/base64url.js';
+import { JOSENotSupported, JWEInvalid } from '../util/errors.js';
+import { bitLength as cekLength } from '../lib/cek.js';
+import { importJWK } from '../key/import.js';
+import checkKeyType from './check_key_type.js';
+import isObject from './is_object.js';
+import { unwrap as aesGcmKw } from './aesgcmkw.js';
+async function decryptKeyManagement(alg, key, encryptedKey, joseHeader, options) {
+    checkKeyType(alg, key, 'decrypt');
+    switch (alg) {
+        case 'dir': {
+            if (encryptedKey !== undefined)
+                throw new JWEInvalid('Encountered unexpected JWE Encrypted Key');
+            return key;
+        }
+        case 'ECDH-ES':
+            if (encryptedKey !== undefined)
+                throw new JWEInvalid('Encountered unexpected JWE Encrypted Key');
+        case 'ECDH-ES+A128KW':
+        case 'ECDH-ES+A192KW':
+        case 'ECDH-ES+A256KW': {
+            if (!isObject(joseHeader.epk))
+                throw new JWEInvalid(`JOSE Header "epk" (Ephemeral Public Key) missing or invalid`);
+            if (!ECDH.ecdhAllowed(key))
+                throw new JOSENotSupported('ECDH with the provided key is not allowed or not supported by your javascript runtime');
+            const epk = await importJWK(joseHeader.epk, alg);
+            let partyUInfo;
+            let partyVInfo;
+            if (joseHeader.apu !== undefined) {
+                if (typeof joseHeader.apu !== 'string')
+                    throw new JWEInvalid(`JOSE Header "apu" (Agreement PartyUInfo) invalid`);
+                try {
+                    partyUInfo = base64url(joseHeader.apu);
+                }
+                catch {
+                    throw new JWEInvalid('Failed to base64url decode the apu');
+                }
+            }
+            if (joseHeader.apv !== undefined) {
+                if (typeof joseHeader.apv !== 'string')
+                    throw new JWEInvalid(`JOSE Header "apv" (Agreement PartyVInfo) invalid`);
+                try {
+                    partyVInfo = base64url(joseHeader.apv);
+                }
+                catch {
+                    throw new JWEInvalid('Failed to base64url decode the apv');
+                }
+            }
+            const sharedSecret = await ECDH.deriveKey(epk, key, alg === 'ECDH-ES' ? joseHeader.enc : alg, alg === 'ECDH-ES' ? cekLength(joseHeader.enc) : parseInt(alg.slice(-5, -2), 10), partyUInfo, partyVInfo);
+            if (alg === 'ECDH-ES')
+                return sharedSecret;
+            if (encryptedKey === undefined)
+                throw new JWEInvalid('JWE Encrypted Key missing');
+            return aesKw(alg.slice(-6), sharedSecret, encryptedKey);
+        }
+        case 'RSA1_5':
+        case 'RSA-OAEP':
+        case 'RSA-OAEP-256':
+        case 'RSA-OAEP-384':
+        case 'RSA-OAEP-512': {
+            if (encryptedKey === undefined)
+                throw new JWEInvalid('JWE Encrypted Key missing');
+            return rsaEs(alg, key, encryptedKey);
+        }
+        case 'PBES2-HS256+A128KW':
+        case 'PBES2-HS384+A192KW':
+        case 'PBES2-HS512+A256KW': {
+            if (encryptedKey === undefined)
+                throw new JWEInvalid('JWE Encrypted Key missing');
+            if (typeof joseHeader.p2c !== 'number')
+                throw new JWEInvalid(`JOSE Header "p2c" (PBES2 Count) missing or invalid`);
+            const p2cLimit = (options === null || options === void 0 ? void 0 : options.maxPBES2Count) || 10000;
+            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`);
+            let p2s;
+            try {
+                p2s = base64url(joseHeader.p2s);
+            }
+            catch {
+                throw new JWEInvalid('Failed to base64url decode the p2s');
+            }
+            return pbes2Kw(alg, key, encryptedKey, joseHeader.p2c, p2s);
+        }
+        case 'A128KW':
+        case 'A192KW':
+        case 'A256KW': {
+            if (encryptedKey === undefined)
+                throw new JWEInvalid('JWE Encrypted Key missing');
+            return aesKw(alg, key, encryptedKey);
+        }
+        case 'A128GCMKW':
+        case 'A192GCMKW':
+        case 'A256GCMKW': {
+            if (encryptedKey === undefined)
+                throw new JWEInvalid('JWE Encrypted Key missing');
+            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;
+            try {
+                iv = base64url(joseHeader.iv);
+            }
+            catch {
+                throw new JWEInvalid('Failed to base64url decode the iv');
+            }
+            let tag;
+            try {
+                tag = base64url(joseHeader.tag);
+            }
+            catch {
+                throw new JWEInvalid('Failed to base64url decode the tag');
+            }
+            return aesGcmKw(alg, key, encryptedKey, iv, tag);
+        }
+        default: {
+            throw new JOSENotSupported('Invalid or unsupported "alg" (JWE Algorithm) header value');
+        }
+    }
+}
+export default decryptKeyManagement;

node_modules/jose/dist/node/esm/lib/encrypt_key_management.js

@@ -0,0 +1,87 @@
+import { wrap as aesKw } from '../runtime/aeskw.js';
+import * as ECDH from '../runtime/ecdhes.js';
+import { encrypt as pbes2Kw } from '../runtime/pbes2kw.js';
+import { encrypt as rsaEs } from '../runtime/rsaes.js';
+import { encode as base64url } from '../runtime/base64url.js';
+import generateCek, { bitLength as cekLength } from '../lib/cek.js';
+import { JOSENotSupported } from '../util/errors.js';
+import { exportJWK } from '../key/export.js';
+import checkKeyType from './check_key_type.js';
+import { wrap as aesGcmKw } from './aesgcmkw.js';
+async function encryptKeyManagement(alg, enc, key, providedCek, providedParameters = {}) {
+    let encryptedKey;
+    let parameters;
+    let cek;
+    checkKeyType(alg, key, 'encrypt');
+    switch (alg) {
+        case 'dir': {
+            cek = key;
+            break;
+        }
+        case 'ECDH-ES':
+        case 'ECDH-ES+A128KW':
+        case 'ECDH-ES+A192KW':
+        case 'ECDH-ES+A256KW': {
+            if (!ECDH.ecdhAllowed(key)) {
+                throw new JOSENotSupported('ECDH with the provided key is not allowed or not supported by your javascript runtime');
+            }
+            const { apu, apv } = providedParameters;
+            let { epk: ephemeralKey } = providedParameters;
+            ephemeralKey || (ephemeralKey = (await ECDH.generateEpk(key)).privateKey);
+            const { x, y, crv, kty } = await exportJWK(ephemeralKey);
+            const sharedSecret = await ECDH.deriveKey(key, ephemeralKey, alg === 'ECDH-ES' ? enc : alg, alg === 'ECDH-ES' ? cekLength(enc) : parseInt(alg.slice(-5, -2), 10), apu, apv);
+            parameters = { epk: { x, crv, kty } };
+            if (kty === 'EC')
+                parameters.epk.y = y;
+            if (apu)
+                parameters.apu = base64url(apu);
+            if (apv)
+                parameters.apv = base64url(apv);
+            if (alg === 'ECDH-ES') {
+                cek = sharedSecret;
+                break;
+            }
+            cek = providedCek || generateCek(enc);
+            const kwAlg = alg.slice(-6);
+            encryptedKey = await aesKw(kwAlg, sharedSecret, cek);
+            break;
+        }
+        case 'RSA1_5':
+        case 'RSA-OAEP':
+        case 'RSA-OAEP-256':
+        case 'RSA-OAEP-384':
+        case 'RSA-OAEP-512': {
+            cek = providedCek || generateCek(enc);
+            encryptedKey = await rsaEs(alg, key, cek);
+            break;
+        }
+        case 'PBES2-HS256+A128KW':
+        case 'PBES2-HS384+A192KW':
+        case 'PBES2-HS512+A256KW': {
+            cek = providedCek || generateCek(enc);
+            const { p2c, p2s } = providedParameters;
+            ({ encryptedKey, ...parameters } = await pbes2Kw(alg, key, cek, p2c, p2s));
+            break;
+        }
+        case 'A128KW':
+        case 'A192KW':
+        case 'A256KW': {
+            cek = providedCek || generateCek(enc);
+            encryptedKey = await aesKw(alg, key, cek);
+            break;
+        }
+        case 'A128GCMKW':
+        case 'A192GCMKW':
+        case 'A256GCMKW': {
+            cek = providedCek || generateCek(enc);
+            const { iv } = providedParameters;
+            ({ encryptedKey, ...parameters } = await aesGcmKw(alg, key, cek, iv));
+            break;
+        }
+        default: {
+            throw new JOSENotSupported('Invalid or unsupported "alg" (JWE Algorithm) header value');
+        }
+    }
+    return { cek, encryptedKey, parameters };
+}
+export default encryptKeyManagement;

node_modules/jose/dist/node/esm/lib/epoch.js

@@ -0,0 +1 @@
+export default (date) => Math.floor(date.getTime() / 1000);

node_modules/jose/dist/node/esm/lib/invalid_key_input.js

@@ -0,0 +1,30 @@
+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 && actual.constructor.name) {
+            msg += ` Received an instance of ${actual.constructor.name}`;
+        }
+    }
+    return msg;
+}
+export default (actual, ...types) => {
+    return message('Key must be ', actual, ...types);
+};
+export function withAlg(alg, actual, ...types) {
+    return message(`Key for the ${alg} algorithm must be `, actual, ...types);
+}

node_modules/jose/dist/node/esm/lib/is_disjoint.js

@@ -0,0 +1,22 @@
+const isDisjoint = (...headers) => {
+    const sources = headers.filter(Boolean);
+    if (sources.length === 0 || sources.length === 1) {
+        return true;
+    }
+    let acc;
+    for (const header of sources) {
+        const parameters = Object.keys(header);
+        if (!acc || acc.size === 0) {
+            acc = new Set(parameters);
+            continue;
+        }
+        for (const parameter of parameters) {
+            if (acc.has(parameter)) {
+                return false;
+            }
+            acc.add(parameter);
+        }
+    }
+    return true;
+};
+export default isDisjoint;

node_modules/jose/dist/node/esm/lib/is_object.js

@@ -0,0 +1,16 @@
+function isObjectLike(value) {
+    return typeof value === 'object' && value !== null;
+}
+export default function isObject(input) {
+    if (!isObjectLike(input) || Object.prototype.toString.call(input) !== '[object Object]') {
+        return false;
+    }
+    if (Object.getPrototypeOf(input) === null) {
+        return true;
+    }
+    let proto = input;
+    while (Object.getPrototypeOf(proto) !== null) {
+        proto = Object.getPrototypeOf(proto);
+    }
+    return Object.getPrototypeOf(input) === proto;
+}

node_modules/jose/dist/node/esm/lib/iv.js

@@ -0,0 +1,20 @@
+import { JOSENotSupported } from '../util/errors.js';
+import random from '../runtime/random.js';
+export function bitLength(alg) {
+    switch (alg) {
+        case 'A128GCM':
+        case 'A128GCMKW':
+        case 'A192GCM':
+        case 'A192GCMKW':
+        case 'A256GCM':
+        case 'A256GCMKW':
+            return 96;
+        case 'A128CBC-HS256':
+        case 'A192CBC-HS384':
+        case 'A256CBC-HS512':
+            return 128;
+        default:
+            throw new JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
+    }
+}
+export default (alg) => random(new Uint8Array(bitLength(alg) >> 3));

node_modules/jose/dist/node/esm/lib/jwt_claims_set.js

@@ -0,0 +1,102 @@
+import { JWTClaimValidationFailed, JWTExpired, JWTInvalid } from '../util/errors.js';
+import { decoder } from './buffer_utils.js';
+import epoch from './epoch.js';
+import secs from './secs.js';
+import isObject from './is_object.js';
+const normalizeTyp = (value) => value.toLowerCase().replace(/^application\//, '');
+const checkAudiencePresence = (audPayload, audOption) => {
+    if (typeof audPayload === 'string') {
+        return audOption.includes(audPayload);
+    }
+    if (Array.isArray(audPayload)) {
+        return audOption.some(Set.prototype.has.bind(new Set(audPayload)));
+    }
+    return false;
+};
+export default (protectedHeader, encodedPayload, options = {}) => {
+    const { typ } = options;
+    if (typ &&
+        (typeof protectedHeader.typ !== 'string' ||
+            normalizeTyp(protectedHeader.typ) !== normalizeTyp(typ))) {
+        throw new JWTClaimValidationFailed('unexpected "typ" JWT header value', 'typ', 'check_failed');
+    }
+    let payload;
+    try {
+        payload = JSON.parse(decoder.decode(encodedPayload));
+    }
+    catch {
+    }
+    if (!isObject(payload)) {
+        throw new JWTInvalid('JWT Claims Set must be a top-level JSON object');
+    }
+    const { requiredClaims = [], issuer, subject, audience, maxTokenAge } = options;
+    if (maxTokenAge !== undefined)
+        requiredClaims.push('iat');
+    if (audience !== undefined)
+        requiredClaims.push('aud');
+    if (subject !== undefined)
+        requiredClaims.push('sub');
+    if (issuer !== undefined)
+        requiredClaims.push('iss');
+    for (const claim of new Set(requiredClaims.reverse())) {
+        if (!(claim in payload)) {
+            throw new JWTClaimValidationFailed(`missing required "${claim}" claim`, claim, 'missing');
+        }
+    }
+    if (issuer && !(Array.isArray(issuer) ? issuer : [issuer]).includes(payload.iss)) {
+        throw new JWTClaimValidationFailed('unexpected "iss" claim value', 'iss', 'check_failed');
+    }
+    if (subject && payload.sub !== subject) {
+        throw new JWTClaimValidationFailed('unexpected "sub" claim value', 'sub', 'check_failed');
+    }
+    if (audience &&
+        !checkAudiencePresence(payload.aud, typeof audience === 'string' ? [audience] : audience)) {
+        throw new JWTClaimValidationFailed('unexpected "aud" claim value', 'aud', 'check_failed');
+    }
+    let tolerance;
+    switch (typeof options.clockTolerance) {
+        case 'string':
+            tolerance = secs(options.clockTolerance);
+            break;
+        case 'number':
+            tolerance = options.clockTolerance;
+            break;
+        case 'undefined':
+            tolerance = 0;
+            break;
+        default:
+            throw new TypeError('Invalid clockTolerance option type');
+    }
+    const { currentDate } = options;
+    const now = epoch(currentDate || new Date());
+    if ((payload.iat !== undefined || maxTokenAge) && typeof payload.iat !== 'number') {
+        throw new JWTClaimValidationFailed('"iat" claim must be a number', 'iat', 'invalid');
+    }
+    if (payload.nbf !== undefined) {
+        if (typeof payload.nbf !== 'number') {
+            throw new JWTClaimValidationFailed('"nbf" claim must be a number', 'nbf', 'invalid');
+        }
+        if (payload.nbf > now + tolerance) {
+            throw new JWTClaimValidationFailed('"nbf" claim timestamp check failed', 'nbf', 'check_failed');
+        }
+    }
+    if (payload.exp !== undefined) {
+        if (typeof payload.exp !== 'number') {
+            throw new JWTClaimValidationFailed('"exp" claim must be a number', 'exp', 'invalid');
+        }
+        if (payload.exp <= now - tolerance) {
+            throw new JWTExpired('"exp" claim timestamp check failed', 'exp', 'check_failed');
+        }
+    }
+    if (maxTokenAge) {
+        const age = now - payload.iat;
+        const max = typeof maxTokenAge === 'number' ? maxTokenAge : secs(maxTokenAge);
+        if (age - tolerance > max) {
+            throw new JWTExpired('"iat" claim timestamp check failed (too far in the past)', 'iat', 'check_failed');
+        }
+        if (age < 0 - tolerance) {
+            throw new JWTClaimValidationFailed('"iat" claim timestamp check failed (it should be in the past)', 'iat', 'check_failed');
+        }
+    }
+    return payload;
+};

node_modules/jose/dist/node/esm/lib/secs.js

@@ -0,0 +1,44 @@
+const minute = 60;
+const hour = minute * 60;
+const day = hour * 24;
+const week = day * 7;
+const year = day * 365.25;
+const REGEX = /^(\d+|\d+\.\d+) ?(seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)$/i;
+export default (str) => {
+    const matched = REGEX.exec(str);
+    if (!matched) {
+        throw new TypeError('Invalid time period format');
+    }
+    const value = parseFloat(matched[1]);
+    const unit = matched[2].toLowerCase();
+    switch (unit) {
+        case 'sec':
+        case 'secs':
+        case 'second':
+        case 'seconds':
+        case 's':
+            return Math.round(value);
+        case 'minute':
+        case 'minutes':
+        case 'min':
+        case 'mins':
+        case 'm':
+            return Math.round(value * minute);
+        case 'hour':
+        case 'hours':
+        case 'hr':
+        case 'hrs':
+        case 'h':
+            return Math.round(value * hour);
+        case 'day':
+        case 'days':
+        case 'd':
+            return Math.round(value * day);
+        case 'week':
+        case 'weeks':
+        case 'w':
+            return Math.round(value * week);
+        default:
+            return Math.round(value * year);
+    }
+};

node_modules/jose/dist/node/esm/lib/validate_algorithms.js

@@ -0,0 +1,11 @@
+const validateAlgorithms = (option, algorithms) => {
+    if (algorithms !== undefined &&
+        (!Array.isArray(algorithms) || algorithms.some((s) => typeof s !== 'string'))) {
+        throw new TypeError(`"${option}" option must be an array of strings`);
+    }
+    if (!algorithms) {
+        return undefined;
+    }
+    return new Set(algorithms);
+};
+export default validateAlgorithms;

node_modules/jose/dist/node/esm/lib/validate_crit.js

@@ -0,0 +1,34 @@
+import { JOSENotSupported } from '../util/errors.js';
+function validateCrit(Err, recognizedDefault, recognizedOption, protectedHeader, joseHeader) {
+    if (joseHeader.crit !== undefined && protectedHeader.crit === undefined) {
+        throw new Err('"crit" (Critical) Header Parameter MUST be integrity protected');
+    }
+    if (!protectedHeader || protectedHeader.crit === undefined) {
+        return new Set();
+    }
+    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');
+    }
+    let recognized;
+    if (recognizedOption !== undefined) {
+        recognized = new Map([...Object.entries(recognizedOption), ...recognizedDefault.entries()]);
+    }
+    else {
+        recognized = recognizedDefault;
+    }
+    for (const parameter of protectedHeader.crit) {
+        if (!recognized.has(parameter)) {
+            throw new JOSENotSupported(`Extension Header Parameter "${parameter}" is not recognized`);
+        }
+        if (joseHeader[parameter] === undefined) {
+            throw new Err(`Extension Header Parameter "${parameter}" is missing`);
+        }
+        else if (recognized.get(parameter) && protectedHeader[parameter] === undefined) {
+            throw new Err(`Extension Header Parameter "${parameter}" MUST be integrity protected`);
+        }
+    }
+    return new Set(protectedHeader.crit);
+}
+export default validateCrit;