Add host setup functions and client components

2026-09-13 10:52:30 +01:00
parent 76679aabe7
commit 86eb3a0b05
53 changed files with 1284 additions and 1325 deletions
@@ -0,0 +1,81 @@
+import type { APIResponseObject } from "@moduletrace/bunext/types";
+import { execSync } from "node:child_process";
+
+type Params = {
+    ip_address: string;
+};
+
+/**
+ * Function to check the availability of a private
+ * IP address (like 10.1.0.1)
+ * @param param0
+ */
+export default async function checkPrivateIPAvailability({
+    ip_address,
+}: Params): Promise<APIResponseObject> {
+    const ip_pattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
+
+    const matches = ip_address.match(ip_pattern);
+
+    if (!matches) {
+        return {
+            success: false,
+            msg: `Invalid IP address: ${ip_address}`,
+        };
+    }
+
+    const octets = matches.slice(1).map(Number);
+
+    if (octets.some((o) => o < 0 || o > 255)) {
+        return {
+            success: false,
+            msg: `Invalid IP address: ${ip_address}`,
+        };
+    }
+
+    if (octets[3] !== 1) {
+        return {
+            success: false,
+            msg: `IP address must end with 1: ${ip_address}`,
+        };
+    }
+
+    const [octet1, octet2, octet3] = octets;
+
+    try {
+        const addr_output = execSync(`ip -4 addr show`, {
+            encoding: "utf-8",
+        });
+
+        for (const match of addr_output.matchAll(
+            /inet\s+(\d+\.\d+\.\d+\.\d+)\/\d+/g,
+        )) {
+            if (!match[1]) continue;
+
+            const [existing1, existing2, existing3] = match[1]
+                .split(".")
+                .map(Number);
+
+            if (
+                existing1 === octet1 &&
+                existing2 === octet2 &&
+                existing3 === octet3
+            ) {
+                return {
+                    success: false,
+                    msg: `IP address ${ip_address} is already in use`,
+                };
+            }
+        }
+
+        return {
+            success: true,
+            msg: `IP address ${ip_address} is available`,
+        };
+    } catch (error: any) {
+        return {
+            success: false,
+            msg: error.message,
+        };
+    }
+}