@guardian/pan-domain-node/dist/src/fetch-public-key.js

NodeJs implementation of Guardian pan-domain auth verification

"use strict";
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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});
var __importStar = (this && this.__importStar) || (function () {
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})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchPublicKey = fetchPublicKey;
const iniparser = __importStar(require("iniparser"));
const utils_1 = require("./utils");
function fetchPublicKey(s3, bucket, keyFile) {
    const publicKeyLocation = {
        Bucket: bucket,
        Key: keyFile,
    };
    return s3.getObject(publicKeyLocation)
        .then(({ Body }) => Body === null || Body === void 0 ? void 0 : Body.transformToString())
        .then((pandaConfigIni) => {
        if (!pandaConfigIni) {
            throw Error(`could not read panda config ${JSON.stringify(publicKeyLocation)}`);
        }
        else {
            const config = iniparser.parseString(pandaConfigIni);
            if (config.publicKey) {
                return {
                    key: (0, utils_1.base64ToPEM)(config.publicKey, "PUBLIC"),
                    lastUpdated: new Date()
                };
            }
            else {
                console.log(`Failed to retrieve panda public key from ${JSON.stringify(config)}`);
                throw new Error("Missing publicKey setting from config");
            }
        }
    })
        .catch((error) => {
        console.error(`Error fetching public key from S3: ${error}`);
        throw error;
    });
}