ethers.js/packages/web/lib/geturl.js
2021-10-16 02:29:27 -04:00

148 lines
6.9 KiB
JavaScript

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUrl = void 0;
var http_1 = __importDefault(require("http"));
var https_1 = __importDefault(require("https"));
var zlib_1 = require("zlib");
var url_1 = require("url");
var bytes_1 = require("@ethersproject/bytes");
var properties_1 = require("@ethersproject/properties");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
function getResponse(request) {
return new Promise(function (resolve, reject) {
request.once("response", function (resp) {
var response = {
statusCode: resp.statusCode,
statusMessage: resp.statusMessage,
headers: Object.keys(resp.headers).reduce(function (accum, name) {
var value = resp.headers[name];
if (Array.isArray(value)) {
value = value.join(", ");
}
accum[name] = value;
return accum;
}, {}),
body: null
};
//resp.setEncoding("utf8");
resp.on("data", function (chunk) {
if (response.body == null) {
response.body = new Uint8Array(0);
}
response.body = (0, bytes_1.concat)([response.body, chunk]);
});
resp.on("end", function () {
if (response.headers["content-encoding"] === "gzip") {
//const size = response.body.length;
response.body = (0, bytes_1.arrayify)((0, zlib_1.gunzipSync)(response.body));
//console.log("Delta:", response.body.length - size, Buffer.from(response.body).toString());
}
resolve(response);
});
resp.on("error", function (error) {
/* istanbul ignore next */
error.response = response;
reject(error);
});
});
request.on("error", function (error) { reject(error); });
});
}
// The URL.parse uses null instead of the empty string
function nonnull(value) {
if (value == null) {
return "";
}
return value;
}
function getUrl(href, options) {
return __awaiter(this, void 0, void 0, function () {
var url, request, req, response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (options == null) {
options = {};
}
url = (0, url_1.parse)(href);
request = {
protocol: nonnull(url.protocol),
hostname: nonnull(url.hostname),
port: nonnull(url.port),
path: (nonnull(url.pathname) + nonnull(url.search)),
method: (options.method || "GET"),
headers: (0, properties_1.shallowCopy)(options.headers || {}),
};
if (options.allowGzip) {
request.headers["accept-encoding"] = "gzip";
}
req = null;
switch (nonnull(url.protocol)) {
case "http:":
req = http_1.default.request(request);
break;
case "https:":
req = https_1.default.request(request);
break;
default:
/* istanbul ignore next */
logger.throwError("unsupported protocol " + url.protocol, logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
protocol: url.protocol,
operation: "request"
});
}
if (options.body) {
req.write(Buffer.from(options.body));
}
req.end();
return [4 /*yield*/, getResponse(req)];
case 1:
response = _a.sent();
return [2 /*return*/, response];
}
});
});
}
exports.getUrl = getUrl;
//# sourceMappingURL=geturl.js.map