From 80603c9a4214012c7092cf7869c0e96eaa507da8 Mon Sep 17 00:00:00 2001
From: Alex Holliday <ajhollid@gmail.com>
Date: Thu, 5 Mar 2026 18:30:06 +0000
Subject: [PATCH] port provider

---
 .../infrastructure/network/PortProvider.ts    | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 server/src/service/infrastructure/network/PortProvider.ts

diff --git a/server/src/service/infrastructure/network/PortProvider.ts b/server/src/service/infrastructure/network/PortProvider.ts
new file mode 100644
index 000000000..bacbd19ff
--- /dev/null
+++ b/server/src/service/infrastructure/network/PortProvider.ts
@@ -0,0 +1,98 @@
+import { IStatusProvider } from "@/service/infrastructure/network/IStatusProvider.js";
+import { PortStatusPayload, MonitorStatusResponse } from "@/types/network.js";
+import { Monitor, MonitorType } from "@/types/monitor.js";
+import { AppError } from "@/utils/AppError.js";
+import { NETWORK_ERROR, timeRequest } from "@/service/infrastructure/network/utils.js";
+import * as net from "net";
+type NetType = typeof net;
+
+const SERVICE_NAME = "PortProvider";
+
+export class PortProvider implements IStatusProvider<PortStatusPayload> {
+	readonly type = "port";
+
+	constructor(private net: NetType) {}
+
+	supports(type: MonitorType): boolean {
+		return type === "port";
+	}
+
+	async handle(monitor: Monitor): Promise<MonitorStatusResponse<PortStatusPayload>> {
+		try {
+			const { url, port } = monitor;
+			if (!url || !port) {
+				throw new Error("URL and port are required for port monitoring");
+			}
+
+			const { responseTime, error } = await timeRequest(async () => {
+				return new Promise((resolve, reject) => {
+					const socket = this.net.createConnection(
+						{
+							host: url,
+							port,
+						},
+						() => {
+							socket.end();
+							socket.destroy();
+							resolve({ success: true });
+						}
+					);
+
+					socket.setTimeout(5000);
+					socket.on("timeout", () => {
+						socket.destroy();
+						reject(new Error("Connection timeout"));
+					});
+
+					socket.on("error", (err: unknown) => {
+						socket.destroy();
+						reject(err);
+					});
+				});
+			});
+			if (error) {
+				const errorMessage = error instanceof Error ? error.message : "Port check failed";
+				return {
+					monitorId: monitor.id,
+					teamId: monitor.teamId,
+					type: monitor.type,
+					status: false,
+					code: NETWORK_ERROR,
+					message: errorMessage,
+					responseTime: responseTime,
+					timings: undefined,
+					payload: { success: false },
+					jsonPath: monitor.jsonPath,
+					matchMethod: monitor.matchMethod,
+					expectedValue: monitor.expectedValue,
+					extracted: undefined,
+				};
+			}
+
+			return {
+				monitorId: monitor.id,
+				teamId: monitor.teamId,
+				type: monitor.type,
+				status: true,
+				code: 200,
+				message: "Port check successful",
+				responseTime: responseTime,
+				timings: undefined,
+				payload: { success: true },
+				jsonPath: monitor.jsonPath,
+				matchMethod: monitor.matchMethod,
+				expectedValue: monitor.expectedValue,
+				extracted: undefined,
+			};
+		} catch (err: unknown) {
+			const originalMessage = err instanceof Error ? err.message : String(err);
+			throw new AppError({
+				message: originalMessage || "Error performing port check",
+				status: 500,
+				service: SERVICE_NAME,
+				method: "requestPort",
+				details: { url: monitor.url, port: monitor.port },
+			});
+		}
+	}
+}