Add network identity diagnostics

src/web/features/diagnostics/connectivityResult.ts

@@ -12,6 +12,14 @@ export interface DiagnosticSiteResult extends Record<string, unknown> {
   latencyMs: number | null;
 }
 
+export interface DiagnosticNetworkResult extends Record<string, unknown> {
+  address: string | null;
+  asn: string | null;
+  provider: string | null;
+  city: string | null;
+  country: string | null;
+}
+
 export interface DiagnosticServer extends Record<string, unknown> {
   id: string;
   label: string;
@@ -26,6 +34,7 @@ export interface DiagnosticPath extends Record<string, unknown> {
   };
   ipv6: string | null;
   ipv6Source: DiagnosticIpResult | null;
+  network?: DiagnosticNetworkResult | null;
   sites: DiagnosticSiteResult[];
   server?: DiagnosticServer | null;
 }
@@ -59,6 +68,19 @@ function validSiteResult(value: unknown): value is DiagnosticSiteResult {
     && nullableNonnegativeNumber(value.latencyMs);
 }
 
+function nullableText(value: unknown): value is string | null {
+  return value === null || (typeof value === 'string' && value.length > 0);
+}
+
+function validNetworkResult(value: unknown): value is DiagnosticNetworkResult {
+  return record(value)
+    && nullableText(value.address)
+    && nullableText(value.asn)
+    && nullableText(value.provider)
+    && nullableText(value.city)
+    && nullableText(value.country);
+}
+
 function validServer(value: unknown): value is DiagnosticServer | null {
   return value === null || (record(value)
     && typeof value.id === 'string'
@@ -76,6 +98,7 @@ function validPath(value: unknown): value is DiagnosticPath {
     && value.ipv4.sources.every(validIpResult)
     && (value.ipv6 === null || (typeof value.ipv6 === 'string' && value.ipv6.length > 0))
     && (value.ipv6Source === null || validIpResult(value.ipv6Source))
+    && (!Object.hasOwn(value, 'network') || value.network === null || validNetworkResult(value.network))
     && Array.isArray(value.sites)
     && value.sites.every(validSiteResult);
 }