Fixed the SPA authentication flow

src/auth/current-user.js

@@ -1,17 +1,32 @@
-function createCurrentUser({ sendRuntimeMessage, appendBackgroundRequestLog, messageTypes }) {
+function createCurrentUser({ sendRuntimeMessage, appendBackgroundRequestLog, messageTypes, environment }) {
+  const { setTimeout } = environment;
   let pending = null;
   let allowed = false;
   let userId = "";
   function ensure() {
     if (!pending) {
-      pending = sendRuntimeMessage({ type: messageTypes.requestCurrentUser }).then(response => {
-        appendBackgroundRequestLog(response?.debugRequests);
-        const roles = response?.user?.roles;
-        userId = response?.ok === true && typeof response.user?.id === "string" ? response.user.id : "";
-        allowed = response?.ok === true && Array.isArray(roles)
-          && roles.every(role => typeof role === "string") && !roles.includes("SALES_REP");
-        return allowed;
-      }).catch(() => { allowed = false; return false; });
+      pending = (async () => {
+        let retryDelay = 1000;
+        // Keep a single pending identity request until the response is usable.
+        for (;;) {
+          try {
+            const response = await sendRuntimeMessage({ type: messageTypes.requestCurrentUser });
+            appendBackgroundRequestLog(response?.debugRequests);
+            const user = response?.user;
+            if (response?.ok === true && typeof user?.id === "string" && user.id.trim()
+                && typeof user.name === "string" && user.name.trim()
+                && Array.isArray(user.roles) && user.roles.every(role => typeof role === "string" && role.trim())) {
+              userId = user.id;
+              allowed = !user.roles.includes("SALES_REP");
+              return allowed;
+            }
+          } catch (error) {
+            appendBackgroundRequestLog(error?.debugRequests);
+          }
+          await new Promise(resolve => setTimeout(resolve, retryDelay));
+          retryDelay = Math.min(retryDelay * 2, 10000);
+        }
+      })();
     }
     return pending;
   }