jose
Version:
Universal 'JSON Web Almost Everything' - JWA, JWS, JWE, JWT, JWK with no dependencies
72 lines (71 loc) • 2.57 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const encrypt_js_1 = require("../jwe/compact/encrypt.js");
const buffer_utils_js_1 = require("../lib/buffer_utils.js");
const jwt_producer_js_1 = require("../lib/jwt_producer.js");
class EncryptJWT extends jwt_producer_js_1.default {
setProtectedHeader(protectedHeader) {
if (this._protectedHeader) {
throw new TypeError('setProtectedHeader can only be called once');
}
this._protectedHeader = protectedHeader;
return this;
}
setKeyManagementParameters(parameters) {
if (this._keyManagementParameters) {
throw new TypeError('setKeyManagementParameters can only be called once');
}
this._keyManagementParameters = parameters;
return this;
}
setContentEncryptionKey(cek) {
if (this._cek) {
throw new TypeError('setContentEncryptionKey can only be called once');
}
this._cek = cek;
return this;
}
setInitializationVector(iv) {
if (this._iv) {
throw new TypeError('setInitializationVector can only be called once');
}
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 enc = new encrypt_js_1.default(buffer_utils_js_1.encoder.encode(JSON.stringify(this._payload)));
if (this._replicateIssuerAsHeader) {
this._protectedHeader = { ...this._protectedHeader, iss: this._payload.iss };
}
if (this._replicateSubjectAsHeader) {
this._protectedHeader = { ...this._protectedHeader, sub: this._payload.sub };
}
if (this._replicateAudienceAsHeader) {
this._protectedHeader = { ...this._protectedHeader, aud: this._payload.aud };
}
enc.setProtectedHeader(this._protectedHeader);
if (this._iv) {
enc.setInitializationVector(this._iv);
}
if (this._cek) {
enc.setContentEncryptionKey(this._cek);
}
if (this._keyManagementParameters) {
enc.setKeyManagementParameters(this._keyManagementParameters);
}
return enc.encrypt(key, options);
}
}
exports.default = EncryptJWT;