Check ip range for public/private view.

src/lib/server/config.ts

@@ -9,6 +9,8 @@ import type {
 	ServiceGroupConfig
 } from '$lib/config';
 
+import * as ipRangeCheck from 'ip-range-check';
+
 const requiredService: Required<ServiceConfig> = {
 	title: '',
 	subtitle: '',
@@ -19,7 +21,7 @@ const requiredService: Required<ServiceConfig> = {
 	target: '',
 	type: '',
 	tag: '',
-	keywords: [],
+	keywords: []
 };
 
 const requiredServiceGroup: Required<ServiceGroupConfig> = {
@@ -82,9 +84,8 @@ function merge<Type extends SPOJO>(a: Type, b: SPOJO): Type {
 	return res;
 }
 
-
 export function mergeConfig(a: Config, b: SPOJO): Config {
-	return merge<Config>(a,b);
+	return merge<Config>(a, b);
 }
 
 const defaultLightConfig: ColorConfig = {};
@@ -132,7 +133,7 @@ export const defaultConfig: Config = {
 
 function strip<Type extends SPOJO>(toStrip: Type, reference: Type): Type {
 	const res: Type = { ...toStrip };
-	if ( reference == undefined ) {
+	if (reference == undefined) {
 		return res;
 	}
 	const referenceNames = Object.entries(reference).map(([key, value]) => key);
@@ -157,7 +158,6 @@ function strip<Type extends SPOJO>(toStrip: Type, reference: Type): Type {
 			continue;
 		}
 
-
 		// it is a child object, we strip it further
 		const childReference: SPOJO = reference[key] as SPOJO;
 		(res as SPOJO)[key] = strip(value as SPOJO, childReference);
@@ -173,6 +173,7 @@ export function stripPrivateFields(config: Config): Config {
 	if (config?.colors?.light != undefined) {
 		res.colors.light = config.colors.light;
 	}
+	res.f;
 	return res;
 }
 
@@ -215,3 +216,15 @@ export function watchDymamicConfig() {
 		}
 	})();
 }
+
+export function clientAddressIsPrivate(clientAddress: string, config: Config): boolean {
+	const ranges: string[] = (config.privateIPs as string[]) || [
+		'192.168.0.0/16',
+		'100.64.0.0/10',
+		'::1',
+		'127.0.0.1',
+		'10.0.0.0/8'
+	];
+
+	return ipRangeCheck.default(clientAddress, ranges);
+}