@pedwise/next-firebase-auth-edge/lib/auth/jwt/sign.js

Next.js 13 Firebase Authentication for Edge and server runtimes. Dedicated for Next 13 server components. Compatible with Next.js middleware.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.sign = void 0;
const utils_1 = require("./utils");
const consts_1 = require("./consts");
function getKeyData(options) {
    if (options.secret) {
        return (0, utils_1.base64StringToArrayBuffer)(options.secret);
    }
    if (options.privateKey) {
        return (0, utils_1.pemToArrayBuffer)(options.privateKey);
    }
    return (0, utils_1.base64StringToArrayBuffer)("");
}
async function sign({ payload, privateKey, secret, keyId, format = "pkcs8", algorithm = "RS256", extractable = false, keyUsages = ["sign"], }) {
    const keyData = getKeyData({ privateKey, secret });
    const key = await crypto.subtle.importKey(format, keyData, consts_1.ALGORITHMS[algorithm], extractable, keyUsages);
    const header = {
        typ: "JWT",
        alg: algorithm,
    };
    const encodedHeader = (0, utils_1.objectToBase64)(keyId ? Object.assign(Object.assign({}, header), { kid: keyId }) : header);
    const encodedPayload = (0, utils_1.objectToBase64)(payload);
    const data = (0, utils_1.stringToArrayBuffer)(`${encodedHeader}.${encodedPayload}`);
    const signature = await crypto.subtle.sign(consts_1.ALGORITHMS[algorithm], key, data);
    const encodedSignature = (0, utils_1.arrayBufferToBase64)(signature);
    return `${encodedHeader}.${encodedPayload}.${encodedSignature}`;
}
exports.sign = sign;
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