@fgiova/aws-signature/dist/cjs/sign_worker.js

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"use strict";
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    if (k2 === undefined) k2 = k;
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateKey = generateKey;
exports.signRequest = signRequest;
const crypto = __importStar(require("node:crypto"));
const constants_1 = require("./aws/constants");
const createCanonicalRequest_1 = require("./aws/createCanonicalRequest");
const getCanonicalHeaders_1 = require("./aws/getCanonicalHeaders");
const getPayloadHash_1 = require("./aws/getPayloadHash");
const utils_1 = require("./aws/utils");
function generateKey({ credentials, service, date = new Date(), }) {
    const { shortDate } = (0, utils_1.formatDate)(date);
    let key = `AWS4${credentials.secretAccessKey}`;
    for (const signable of [
        shortDate,
        credentials.region,
        service,
        constants_1.KEY_TYPE_IDENTIFIER,
    ]) {
        key = crypto.createHmac("sha256", key).update(signable).digest();
    }
    return key;
}
function getSignatureSubject(longDate, scope, canonicalRequest) {
    return `${constants_1.ALGORITHM_IDENTIFIER}
${longDate}
${scope}
${crypto.createHash("sha256").update((0, utils_1.toUint8Array)(canonicalRequest)).digest("hex")}`;
}
function authSignature(key, longDate, scope, canonicalRequest) {
    const subject = getSignatureSubject(longDate, scope, canonicalRequest);
    return crypto.createHmac("sha256", key).update(subject).digest("hex");
}
function createScope(shortDate, service, region) {
    return `${shortDate}/${region}/${service}/${constants_1.KEY_TYPE_IDENTIFIER}`;
}
function signRequest({ request, service, key, credentials, date = new Date(), }) {
    const { shortDate, longDate } = (0, utils_1.formatDate)(date);
    /* c8 ignore next 3 */
    if (!request.headers) {
        request.headers = {};
    }
    request.headers[constants_1.AMZ_DATE_HEADER] = longDate;
    request.headers[constants_1.SHA256_HEADER] = (0, getPayloadHash_1.getPayloadHash)(request);
    const scope = createScope(shortDate, service, credentials.region);
    const canonicalHeaders = (0, getCanonicalHeaders_1.getCanonicalHeaders)(request);
    const canonicalRequest = (0, createCanonicalRequest_1.createCanonicalRequest)(request, canonicalHeaders, service.toLowerCase() === "s3");
    const signature = authSignature(key, longDate, scope, canonicalRequest);
    // biome-ignore lint/complexity/useLiteralKeys: leave as is
    request.headers["Authorization"] =
        `${constants_1.ALGORITHM_IDENTIFIER} Credential=${credentials.accessKeyId}/${scope}, SignedHeaders=${(0, getCanonicalHeaders_1.getCanonicalHeaderList)(canonicalHeaders)}, Signature=${signature}`;
    return request;
}