@akbaraditamasp/ssh-tunnel
Version:
A CLI app to easily create SSH tunnels
71 lines • 2.83 kB
JavaScript
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs = __importStar(require("fs"));
const ssh2_1 = require("ssh2");
const net_1 = __importDefault(require("net"));
const logger_1 = __importDefault(require("./logger"));
function tunnel(config, remotePort, localPort, localHost = "127.0.0.1") {
if (config.privateKey) {
config.privateKey = fs.readFileSync(config.privateKey);
}
const conn = new ssh2_1.Client();
conn
.on("ready", () => {
logger_1.default.info("Client :: ready");
conn.forwardIn("0.0.0.0", remotePort, (err) => {
if (err) {
logger_1.default.error("Forwarding error:", err);
conn.end();
}
logger_1.default.info(`Forwarding from remote "0.0.0.0":${remotePort} to local ${localHost}:${localPort}`);
});
conn.on("tcp connection", (_info, accept, _reject) => {
const stream = accept();
const localConn = net_1.default.connect(localPort, localHost, () => {
stream.pipe(localConn).pipe(stream);
});
localConn.on("error", (err) => {
logger_1.default.error("Local connection error:", err);
stream.end();
conn.end();
});
});
})
.connect(config);
conn.on("error", (err) => {
logger_1.default.error("Connection error:", err);
process.exit(1);
});
conn.on("end", () => {
logger_1.default.error("Client :: disconnected");
process.exit(1);
});
}
exports.default = tunnel;
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