"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.STELLAR_TOML_MAX_SIZE = exports.Resolver = exports.Api = void 0;
var _toml = _interopRequireDefault(require("toml"));
var _httpClient = require("../http-client");
var _config = require("../config");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
/** @module StellarToml */
/**
* The maximum size of stellar.toml file, in bytes
* @constant {number}
* @default 102400
*/
const STELLAR_TOML_MAX_SIZE = exports.STELLAR_TOML_MAX_SIZE = 100 * 1024;
// axios timeout doesn't catch missing urls, e.g. those with no response
// so we use the axios cancel token to ensure the timeout
const CancelToken = _httpClient.httpClient.CancelToken;
/**
* Resolver allows resolving `stellar.toml` files.
* @memberof module:StellarToml
* @hideconstructor
*/
class Resolver {
/**
* Returns a parsed `stellar.toml` file for a given domain.
* @see {@link https://developers.stellar.org/docs/tokens/publishing-asset-info | Stellar.toml doc}
*
* @param {string} domain Domain to get stellar.toml file for
* @param {object} [opts] Options object
* @param {boolean} [opts.allowHttp=false] - Allow connecting to http servers. This must be set to false in production deployments!
* @param {number} [opts.timeout=0] - Allow a timeout. Allows user to avoid nasty lag due to TOML resolve issue.
* @returns {Promise} A `Promise` that resolves to the parsed stellar.toml object
*
* @example
* StellarSdk.StellarToml.Resolver.resolve('acme.com')
* .then(stellarToml => {
* // stellarToml in an object representing domain stellar.toml file.
* })
* .catch(error => {
* // stellar.toml does not exist or is invalid
* });
*/
// eslint-disable-next-line require-await
static async resolve(domain, opts = {}) {
const allowHttp = typeof opts.allowHttp === "undefined" ? _config.Config.isAllowHttp() : opts.allowHttp;
const timeout = typeof opts.timeout === "undefined" ? _config.Config.getTimeout() : opts.timeout;
const protocol = allowHttp ? "http" : "https";
return _httpClient.httpClient.get(`${protocol}://${domain}/.well-known/stellar.toml`, {
maxContentLength: STELLAR_TOML_MAX_SIZE,
cancelToken: timeout ? new CancelToken(cancel => setTimeout(() => cancel(`timeout of ${timeout}ms exceeded`), timeout)) : undefined,
timeout
}).then(response => {
try {
const tomlObject = _toml.default.parse(response.data);
return Promise.resolve(tomlObject);
} catch (e) {
return Promise.reject(new Error(`stellar.toml is invalid - Parsing error on line ${e.line}, column ${e.column}: ${e.message}`));
}
}).catch(err => {
if (err.message.match(/^maxContentLength size/)) {
throw new Error(`stellar.toml file exceeds allowed size of ${STELLAR_TOML_MAX_SIZE}`);
} else {
throw err;
}
});
}
}
/* tslint:disable-next-line: no-namespace */
exports.Resolver = Resolver;
let Api = exports.Api = void 0;
Source