use seconds instead of ms for claims payload

src/services/NotificationService.ts

@@ -54,17 +54,17 @@ export class NotificationService {
       "kid": keyId,
     };
 
-    const now = Date.now();
+    const nowMs = Date.now();
     const claimsPayload = {
       "iss": teamId,
-      "iat": now,
+      "iat": Math.ceil(nowMs / 1000),  // APNs requires number of seconds since Epoch
     };
 
     this.apnsToken = jwt.sign(claimsPayload, privateKey, {
       algorithm: "ES256",
       header: tokenHeader
     });
-    this._lastRefreshedTimeMs = now;
+    this._lastRefreshedTimeMs = nowMs;
   }
 
   private lastReloadedTimeForAPNsIsTooRecent() {
@@ -109,25 +109,30 @@ export class NotificationService {
       "apns-priority": "10",
       "apns-topic": bundleId,
     };
-    const response = await fetch(url, {
-      method: "POST",
-      headers,
-      body: JSON.stringify({
-        aps: {
-          alert: {
-            title: "Shuttle is arriving",
-            body: `Shuttle is approaching ${stop.name} in ${Math.ceil(eta.secondsRemaining / 60)} minutes.`
+    try {
+      const response = await fetch(url, {
+        method: "POST",
+        headers,
+        body: JSON.stringify({
+          aps: {
+            alert: {
+              title: "Shuttle is arriving",
+              body: `Shuttle is approaching ${stop.name} in ${Math.ceil(eta.secondsRemaining / 60)} minutes.`
+            }
           }
-        }
-      }),
-    });
-    const json = await response.json();
+        }),
+      });
+      const json = await response.json();
 
-    if (response.status !== 200) {
-      console.error(`Notification failed for device ${deviceId}:`, json.reason);
+      if (response.status !== 200) {
+        console.error(`Notification failed for device ${deviceId}:`, json.reason);
+        return false;
+      }
+      return true;
+    } catch(e) {
+      console.error(e);
       return false;
     }
-    return true;
   }
 
   public static getAPNsFullUrlToUse(deviceId: string) {