wip trpc

apps/server/src/lib/ssh.ts

@@ -0,0 +1,47 @@
+import { prisma } from '../prisma';
+import { generateRangeArray } from './common';
+
+export async function getFreeSSHLocalPort(id: string): Promise<number | boolean> {
+	const { default: isReachable } = await import('is-port-reachable');
+	const { remoteIpAddress, sshLocalPort } = await prisma.destinationDocker.findUnique({
+		where: { id }
+	});
+	if (sshLocalPort) {
+		return Number(sshLocalPort);
+	}
+
+	const data = await prisma.setting.findFirst();
+	const { minPort, maxPort } = data;
+
+	const ports = await prisma.destinationDocker.findMany({
+		where: { sshLocalPort: { not: null }, remoteIpAddress: { not: remoteIpAddress } }
+	});
+
+	const alreadyConfigured = await prisma.destinationDocker.findFirst({
+		where: {
+			remoteIpAddress,
+			id: { not: id },
+			sshLocalPort: { not: null }
+		}
+	});
+	if (alreadyConfigured?.sshLocalPort) {
+		await prisma.destinationDocker.update({
+			where: { id },
+			data: { sshLocalPort: alreadyConfigured.sshLocalPort }
+		});
+		return Number(alreadyConfigured.sshLocalPort);
+	}
+	const range = generateRangeArray(minPort, maxPort);
+	const availablePorts = range.filter((port) => !ports.map((p) => p.sshLocalPort).includes(port));
+	for (const port of availablePorts) {
+		const found = await isReachable(port, { host: 'localhost' });
+		if (!found) {
+			await prisma.destinationDocker.update({
+				where: { id },
+				data: { sshLocalPort: Number(port) }
+			});
+			return Number(port);
+		}
+	}
+	return false;
+}