decentraland-crypto-fetch/lib/signedHeaderFactory.js

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"use strict";
var __values = (this && this.__values) || function(o) {
    var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
    if (m) return m.call(o);
    if (o && typeof o.length === "number") return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
    throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
var Authenticator_1 = require("@dcl/crypto/dist/Authenticator");
var utils_1 = require("./utils");
var AUTH_CHAIN_HEADER_PREFIX = "x-identity-auth-chain-";
var AUTH_TIMESTAMP_HEADER = "x-identity-timestamp";
var AUTH_METADATA_HEADER = "x-identity-metadata";
function signedHeaderFactory(options) {
    if (options === void 0) { options = {}; }
    var Headers = (0, utils_1.getImplementation)(options, "Headers");
    return function signedHeader(identity, method, path, metadata, init) {
        var e_1, _a;
        var headers = new Headers(init);
        var timestamp = String(Date.now());
        var data = JSON.stringify(metadata);
        var payload = [method, path, timestamp, data].join(":").toLowerCase();
        var i = 0;
        var chain = Authenticator_1.Authenticator.signPayload(identity, payload);
        try {
            for (var chain_1 = __values(chain), chain_1_1 = chain_1.next(); !chain_1_1.done; chain_1_1 = chain_1.next()) {
                var link = chain_1_1.value;
                headers.set(AUTH_CHAIN_HEADER_PREFIX + i, JSON.stringify(link));
                i++;
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (chain_1_1 && !chain_1_1.done && (_a = chain_1.return)) _a.call(chain_1);
            }
            finally { if (e_1) throw e_1.error; }
        }
        headers.set(AUTH_TIMESTAMP_HEADER, timestamp);
        headers.set(AUTH_METADATA_HEADER, data);
        return headers;
    };
}
exports.default = signedHeaderFactory;
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