init project
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+23
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import { prepareDecrypt, decryptCompact } from '../lib/jwe_decrypt.js';
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import { validateClaimsSet } from '../lib/jwt_claims_set.js';
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import { JWTClaimValidationFailed } from '../util/errors.js';
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export async function jwtDecrypt(jwt, key, options) {
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const decrypted = await decryptCompact(jwt, prepareDecrypt(options), key);
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const protectedHeader = decrypted.parsedProt;
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const payload = validateClaimsSet(protectedHeader, decrypted.plaintext, options);
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if (protectedHeader.iss !== undefined && protectedHeader.iss !== payload.iss) {
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throw new JWTClaimValidationFailed('replicated "iss" claim header parameter mismatch', payload, 'iss', 'mismatch');
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}
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if (protectedHeader.sub !== undefined && protectedHeader.sub !== payload.sub) {
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throw new JWTClaimValidationFailed('replicated "sub" claim header parameter mismatch', payload, 'sub', 'mismatch');
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}
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if (protectedHeader.aud !== undefined &&
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JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud)) {
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throw new JWTClaimValidationFailed('replicated "aud" claim header parameter mismatch', payload, 'aud', 'mismatch');
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}
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const result = { payload, protectedHeader };
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if (typeof key === 'function') {
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return { ...result, key: decrypted.key };
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}
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return result;
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}
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+101
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import { CompactEncrypt } from '../jwe/compact/encrypt.js';
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import { JWTClaimsBuilder } from '../lib/jwt_claims_set.js';
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import { assertNotSet } from '../lib/helpers.js';
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export class EncryptJWT {
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#cek;
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#iv;
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#keyManagementParameters;
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#protectedHeader;
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#replicateIssuerAsHeader;
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#replicateSubjectAsHeader;
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#replicateAudienceAsHeader;
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#jwt;
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constructor(payload = {}) {
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this.#jwt = new JWTClaimsBuilder(payload);
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}
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setIssuer(issuer) {
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this.#jwt.iss = issuer;
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return this;
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}
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setSubject(subject) {
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this.#jwt.sub = subject;
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return this;
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}
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setAudience(audience) {
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this.#jwt.aud = audience;
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return this;
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}
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setJti(jwtId) {
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this.#jwt.jti = jwtId;
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return this;
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}
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setNotBefore(input) {
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this.#jwt.nbf = input;
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return this;
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}
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setExpirationTime(input) {
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this.#jwt.exp = input;
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return this;
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}
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setIssuedAt(input) {
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this.#jwt.iat = input;
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return this;
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}
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setProtectedHeader(protectedHeader) {
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assertNotSet(this.#protectedHeader, 'setProtectedHeader');
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this.#protectedHeader = protectedHeader;
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return this;
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}
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setKeyManagementParameters(parameters) {
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assertNotSet(this.#keyManagementParameters, 'setKeyManagementParameters');
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this.#keyManagementParameters = parameters;
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return this;
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}
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setContentEncryptionKey(cek) {
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assertNotSet(this.#cek, 'setContentEncryptionKey');
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this.#cek = cek;
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return this;
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}
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setInitializationVector(iv) {
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assertNotSet(this.#iv, 'setInitializationVector');
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this.#iv = iv;
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return this;
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}
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replicateIssuerAsHeader() {
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this.#replicateIssuerAsHeader = true;
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return this;
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}
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replicateSubjectAsHeader() {
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this.#replicateSubjectAsHeader = true;
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return this;
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}
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replicateAudienceAsHeader() {
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this.#replicateAudienceAsHeader = true;
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return this;
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}
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async encrypt(key, options) {
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const enc = new CompactEncrypt(this.#jwt.data());
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if (this.#protectedHeader &&
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(this.#replicateIssuerAsHeader ||
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this.#replicateSubjectAsHeader ||
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this.#replicateAudienceAsHeader)) {
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this.#protectedHeader = {
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...this.#protectedHeader,
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iss: this.#replicateIssuerAsHeader ? this.#jwt.iss : undefined,
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sub: this.#replicateSubjectAsHeader ? this.#jwt.sub : undefined,
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aud: this.#replicateAudienceAsHeader ? this.#jwt.aud : undefined,
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};
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}
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enc.setProtectedHeader(this.#protectedHeader);
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if (this.#iv) {
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enc.setInitializationVector(this.#iv);
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}
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if (this.#cek) {
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enc.setContentEncryptionKey(this.#cek);
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}
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if (this.#keyManagementParameters) {
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enc.setKeyManagementParameters(this.#keyManagementParameters);
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}
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return enc.encrypt(key, options);
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}
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}
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+51
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import { CompactSign } from '../jws/compact/sign.js';
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import { unencodedPayload } from '../lib/jws_sign.js';
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import { JWTInvalid } from '../util/errors.js';
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import { JWTClaimsBuilder } from '../lib/jwt_claims_set.js';
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export class SignJWT {
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#protectedHeader;
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#jwt;
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constructor(payload = {}) {
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this.#jwt = new JWTClaimsBuilder(payload);
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}
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setIssuer(issuer) {
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this.#jwt.iss = issuer;
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return this;
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}
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setSubject(subject) {
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this.#jwt.sub = subject;
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return this;
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}
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setAudience(audience) {
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this.#jwt.aud = audience;
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return this;
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}
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setJti(jwtId) {
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this.#jwt.jti = jwtId;
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return this;
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}
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setNotBefore(input) {
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this.#jwt.nbf = input;
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return this;
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}
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setExpirationTime(input) {
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this.#jwt.exp = input;
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return this;
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}
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setIssuedAt(input) {
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this.#jwt.iat = input;
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return this;
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}
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setProtectedHeader(protectedHeader) {
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this.#protectedHeader = protectedHeader;
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return this;
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}
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async sign(key, options) {
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const sig = new CompactSign(this.#jwt.data());
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sig.setProtectedHeader(this.#protectedHeader);
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if (unencodedPayload(this.#protectedHeader)) {
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throw new JWTInvalid('JWTs MUST NOT use unencoded payload');
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}
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return sig.sign(key, options);
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}
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}
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+64
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import * as b64u from '../util/base64url.js';
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import { strictDecoder } from '../lib/buffer_utils.js';
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import { decodeBase64url } from '../lib/helpers.js';
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import { JWTInvalid } from '../util/errors.js';
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import { validateClaimsSet, JWTClaimsBuilder } from '../lib/jwt_claims_set.js';
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export class UnsecuredJWT {
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#jwt;
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constructor(payload = {}) {
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this.#jwt = new JWTClaimsBuilder(payload);
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}
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encode() {
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const header = b64u.encode(JSON.stringify({ alg: 'none' }));
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const payload = b64u.encode(this.#jwt.data());
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return `${header}.${payload}.`;
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}
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setIssuer(issuer) {
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this.#jwt.iss = issuer;
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return this;
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}
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setSubject(subject) {
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this.#jwt.sub = subject;
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return this;
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}
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setAudience(audience) {
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this.#jwt.aud = audience;
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return this;
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}
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setJti(jwtId) {
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this.#jwt.jti = jwtId;
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return this;
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}
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setNotBefore(input) {
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this.#jwt.nbf = input;
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return this;
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}
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setExpirationTime(input) {
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this.#jwt.exp = input;
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return this;
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}
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setIssuedAt(input) {
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this.#jwt.iat = input;
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return this;
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}
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static decode(jwt, options) {
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if (typeof jwt !== 'string') {
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throw new JWTInvalid('Unsecured JWT must be a string');
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}
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const { 0: encodedHeader, 1: encodedPayload, 2: signature, length } = jwt.split('.');
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if (length !== 3 || signature !== '') {
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throw new JWTInvalid('Invalid Unsecured JWT');
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}
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let header;
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try {
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header = JSON.parse(strictDecoder.decode(b64u.decode(encodedHeader)));
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if (header.alg !== 'none')
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throw new Error();
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}
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catch {
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throw new JWTInvalid('Invalid Unsecured JWT');
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}
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const payload = validateClaimsSet(header, decodeBase64url(encodedPayload, 'payload', JWTInvalid), options);
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return { payload, header };
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}
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}
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+15
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import { prepareVerify, verifyCompact } from '../lib/jws_verify.js';
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import { validateClaimsSet } from '../lib/jwt_claims_set.js';
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import { JWTInvalid } from '../util/errors.js';
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export async function jwtVerify(jwt, key, options) {
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const verified = await verifyCompact(jwt, prepareVerify(options), key);
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if (!verified.b64) {
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throw new JWTInvalid('JWTs MUST NOT use unencoded payload');
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}
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const payload = validateClaimsSet(verified.parsedProt, verified.payload, options);
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const result = { payload, protectedHeader: verified.parsedProt };
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if (typeof key === 'function') {
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return { ...result, key: verified.key };
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}
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return result;
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}
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