Add targeted connectivity diagnostics with sampled results

src/shared/connectivityDiagnostics.js

@@ -18,3 +18,44 @@ export const CONNECTIVITY_SITES = Object.freeze([
 ]);
 
 export const MAX_CUSTOM_DIAGNOSTIC_SERVICES = 5;
+
+export function assessConnectivity(direct, vpn) {
+  const comparisons = direct.sites.map(({ id, label }) => {
+    const directSite = direct.sites.find((site) => site.id === id);
+    const vpnSite = vpn.sites?.find((site) => site.id === id);
+    let assessment = 'inconclusive';
+    if (!vpn.available) assessment = 'not-tested';
+    else if (directSite?.status === 'available' && vpnSite?.status === 'available') {
+      assessment = 'available';
+    } else if (
+      directSite?.status === 'responded'
+      && [403, 451].includes(directSite.httpStatus)
+      && vpnSite?.status === 'available'
+    ) assessment = 'likely-direct-restriction';
+    else if (
+      directSite?.status === 'unavailable'
+      && vpnSite?.status === 'available'
+      && direct.internetAvailable
+    ) {
+      assessment = 'likely-direct-restriction';
+    } else if (directSite?.status === 'available' && vpnSite?.status !== 'available') {
+      assessment = 'vpn-problem';
+    } else if (directSite?.status === 'unavailable' && vpnSite?.status === 'unavailable') {
+      assessment = 'unavailable';
+    }
+    return { id, label, assessment, direct: directSite, vpn: vpnSite || null };
+  });
+  const directAddresses = [...direct.ipv4.addresses, direct.ipv6].filter(Boolean);
+  const vpnAddresses = [...(vpn.ipv4?.addresses || []), vpn.ipv6].filter(Boolean);
+  const sameEgress = directAddresses.some((address) => vpnAddresses.includes(address));
+  let summary = 'inconclusive';
+  if (!vpn.available) summary = 'vpn-off';
+  else if (!direct.internetAvailable && !vpn.internetAvailable) summary = 'offline';
+  else if (!direct.internetAvailable && vpn.internetAvailable) summary = 'direct-offline';
+  else if (direct.internetAvailable && !vpn.internetAvailable) summary = 'vpn-problem';
+  else if (comparisons.some((item) => item.assessment === 'likely-direct-restriction')) {
+    summary = 'likely-direct-restriction';
+  } else if (sameEgress) summary = 'same-ip';
+  else if (comparisons.every((item) => item.assessment === 'available')) summary = 'available';
+  return { summary, sameEgress, comparisons };
+}

src/shared/versions.js

@@ -1,7 +1,7 @@
 export const HARBOR_VERSIONS = Object.freeze({
-  macClient: '0.17.5',
-  gatewayClient: '0.18.5',
-  gatewayBackend: '0.18.0',
+  macClient: '0.17.6',
+  gatewayClient: '0.18.6',
+  gatewayBackend: '0.18.1',
 });
 
 export function parseVersion(value) {