add error checking

apps/node/src/routes/proxy.ts

@@ -27,37 +27,43 @@ export default class ProxyRoute extends Route {
       return;
     }
     // TODO: handle rate limiting? and/or caching?
-    const response = await axios.get(url, {
-      headers: {
-        "Content-Type": "application/json",
-      },
-    });
-    const data = response.data;
-    const headers = response.headers;
+    try {
+      const response = await axios.get(url, {
+        headers: {
+          "Content-Type": "application/json",
+        },
+      });
+      const data = response.data;
+      const headers = response.headers;
 
-    // Is delete the best way to do this??
-    // Remove CORS headers
-    delete headers["access-control-allow-origin"];
-    delete headers["access-control-allow-credentials"];
-    delete headers["access-control-allow-headers"];
-    delete headers["access-control-allow-methods"];
+      // Is delete the best way to do this??
+      // Remove CORS headers
+      delete headers["access-control-allow-origin"];
+      delete headers["access-control-allow-credentials"];
+      delete headers["access-control-allow-headers"];
+      delete headers["access-control-allow-methods"];
 
-    // Cloudflare headers
-    delete headers["server"];
-    delete headers["nel"];
-    delete headers["report-to"];
-    delete headers["cf-cache-status"];
-    delete headers["cf-ray"];
-    delete headers["alt-svc"];
+      // Cloudflare headers
+      delete headers["server"];
+      delete headers["nel"];
+      delete headers["report-to"];
+      delete headers["cf-cache-status"];
+      delete headers["cf-ray"];
+      delete headers["alt-svc"];
 
-    // Misc headers
-    delete headers["transfer-encoding"];
+      // Misc headers
+      delete headers["transfer-encoding"];
 
-    // Add node specific headers
-    headers["x-proxy-node"] = process.env.NODE_ID;
-    headers["x-proxy-response-time"] = Date.now() - before + "ms";
+      // Add node specific headers
+      headers["x-proxy-node"] = process.env.NODE_ID;
+      headers["x-proxy-response-time"] = Date.now() - before + "ms";
 
-    // Return the JSON response
-    res.status(response.status).set(headers).json(data);
+      // Return the JSON response
+      res.status(response.status).set(headers).json(data);
+    } catch (ex) {
+      res
+        .status(500)
+        .json(RouteMessages.internalServerError("Error fetching URL"));
+    }
   }
 }