@cfm/sonar-blip
Version:
worker daemon communicating occupancy updates
165 lines (164 loc) • 8.72 kB
JavaScript
;
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;
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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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var child_process_1 = require("child_process");
/**
* A blip adapter used on Windows Operating systems.
*
* @param {BlipAdapterEmitter}
* @param {BlipAdapterOpts}
*/
var WindowsAdapter = function (emitters, opts) { return __awaiter(void 0, void 0, void 0, function () {
var running, occupied, ACTIVE_STATUS_LOCALES, ESTABLISHED_STATUS_LOCALES, INTERVAL_MS, USERNAME, updateOccupancy, processOutputData, changeOccupancy, getRDPConnections;
return __generator(this, function (_a) {
running = true;
occupied = false;
ACTIVE_STATUS_LOCALES = ["aktiv", "active"];
ESTABLISHED_STATUS_LOCALES = ["hergestellt", "established"];
INTERVAL_MS = opts.interval * 1000;
USERNAME = opts.username;
updateOccupancy = function () { return __awaiter(void 0, void 0, void 0, function () {
var cmdString;
return __generator(this, function (_a) {
// trigger next cycle when still running
if (running)
setTimeout(updateOccupancy, INTERVAL_MS);
cmdString = "query session | findstr /I /C:\" " + USERNAME + "\"";
child_process_1.exec(cmdString, {}, processOutputData);
return [2 /*return*/];
});
}); };
processOutputData = function (error, stdout, stderr) {
if (error && error.code === 1) {
// User not found ==> Not occupied
console.log("User \"" + USERNAME + "\" logged out or not found!");
changeOccupancy(false);
}
else if (error) {
console.error("Error: " + JSON.stringify(error));
}
else {
var rows = stdout.split("\r\n");
for (var i = 0; i < rows.length; i++) {
var row = rows[i].trim();
// Condense multiple whitespaces into a single space character
row = row.replace(/\s\s+/g, " ");
var cols = row.split(" ");
var sessionIdIndex = -1;
// Find the session ID in array
for (var j = 0; j < cols.length; j++) {
if (!isNaN(parseInt(cols[j]))) { // Session ID is the only numeric field in the output
sessionIdIndex = j;
}
}
// SessionId not available OR status column undefined
if (sessionIdIndex < 0 || typeof cols[sessionIdIndex + 1] === "undefined") {
continue;
}
var statusString = cols[sessionIdIndex + 1].toLowerCase();
var status_1 = ACTIVE_STATUS_LOCALES.includes(statusString);
changeOccupancy(status_1);
return;
}
// Error while trying to define status
console.log("Connection status could not be defined... Setting occupied to false");
changeOccupancy(false);
}
};
changeOccupancy = function (updatedOccupancy) { return __awaiter(void 0, void 0, void 0, function () {
var occupancyHasChanged, connections;
return __generator(this, function (_a) {
occupancyHasChanged = updatedOccupancy !== occupied;
// eventually emit occupancy change event
if (occupancyHasChanged) {
console.log("occupancy changed to " + (updatedOccupancy ? 'true' : 'false') + "!");
connections = updatedOccupancy ? getRDPConnections() : [];
emitters.change([opts.hostname, updatedOccupancy, connections]);
// store current occupancy
occupied = updatedOccupancy;
}
return [2 /*return*/];
});
}); };
getRDPConnections = function () {
var findIp = "netstat -n | find \":3389\" | findstr /I \"" + ESTABLISHED_STATUS_LOCALES.join(" ") + "\"";
var connections = [];
try {
var stdout = child_process_1.execSync(findIp, {}).toString();
var rows = stdout.split("\r\n");
for (var i = 0; i < rows.length; i++) {
var row = rows[i].trim();
// Condense multiple whitespaces into a single space character
row = row.replace(/\s\s+/g, " ");
var cols = row.split(" ");
if (cols.length >= 3) {
var resolveIpToHostname = "nslookup " + cols[2].split(":")[0];
var nslookupOut = child_process_1.execSync(resolveIpToHostname, {}).toString();
var nslookupRows = nslookupOut.split("\r\n");
// Skip the first 3 rows, because its always the host itself + an empty line
for (var j = 3; j < nslookupRows.length; j += 3) {
if (typeof nslookupRows[j].split(":")[1] !== "undefined" && typeof nslookupRows[j + 1].split(":")[1] !== "undefined") {
var hostname = nslookupRows[j].split(":")[1].trim();
var ip = nslookupRows[j + 1].split(":")[1].trim();
connections.push({ hostname: hostname, ip: ip });
}
}
}
}
}
catch (error) {
if (error.status == 1) {
console.error("No host to the RDP connection was found!");
}
else {
console.error(error);
}
}
return connections;
};
emitters.init({
environment: opts.environment,
hostname: opts.hostname,
occupied: occupied,
});
if (running)
setTimeout(updateOccupancy, INTERVAL_MS);
return [2 /*return*/];
});
}); };
exports.default = WindowsAdapter;