http-dns-requester
Version:
A NodeJS wrapper to perform DNS resolution and HTTP/HTTPS requests with custom certificate authorities. Nice for container communication.
165 lines (164 loc) • 7.42 kB
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 __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var dns = __importStar(require("dns"));
var Requester = /** @class */ (function () {
function Requester(host, port) {
this.isProxyInUse = false;
this.host = host;
this.port = port;
// If port is contained in host
var hostSplit = this.host.split(':');
if (hostSplit.length === 2) {
this.host = hostSplit[0];
this.port = hostSplit[1];
}
this.hostIP = host;
}
Requester.prototype.get = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'GET', (body) ? body : "", false)];
});
});
};
Requester.prototype.post = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'POST', (body) ? body : "", false)];
});
});
};
Requester.prototype.put = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'PUT', (body) ? body : "", false)];
});
});
};
Requester.prototype.delete = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'DELETE', (body) ? body : "", false)];
});
});
};
Requester.prototype.getJSON = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'GET', JSON.stringify(body), true)];
});
});
};
Requester.prototype.postJSON = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'POST', JSON.stringify(body), true)];
});
});
};
Requester.prototype.putJSON = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'PUT', JSON.stringify(body), true)];
});
});
};
Requester.prototype.deleteJSON = function (path, body) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.request(path, 'DELETE', JSON.stringify(body), true)];
});
});
};
Requester.prototype.useProxy = function (proxyAgent) {
this.isProxyInUse = true;
this.proxyAgent = proxyAgent;
};
Requester.prototype.performDnsResolve = function () {
var _this = this;
return new Promise(function (resolve, reject) {
if (!_this.host) {
reject("Please provide a container name");
}
if (_this.host !== _this.host.toLowerCase()) {
console.log("Warning: Your output base url contains some uppercase letters. The dns lookup may struggle with it.");
}
dns.lookup(_this.host, function (err, address) {
if (err !== undefined) {
_this.hostIP = address;
resolve(address);
}
else {
reject(err);
}
});
});
};
Requester.prototype.getHostIp = function () {
return this.hostIP;
};
Requester.prototype.setHeader = function (header) {
this.header = header;
};
Requester.prototype.HandleResponse = function (res, resolve) {
var chunks = [];
res.on('data', function (data) { return chunks.push(data); });
res.on('end', function () {
var resBody = Buffer.concat(chunks).toString();
if (res && res.headers &&
res.headers['content-type'] &&
res.headers['content-type'].includes('application/json')) {
res.body = JSON.parse(resBody);
}
else {
res.body = resBody;
}
resolve(res);
});
};
return Requester;
}());
exports.Requester = Requester;