1 files changed, 34 insertions, 10 deletions

diff --git a/packages/demobank-ui/src/hooks/backend.ts b/packages/demobank-ui/src/hooks/backend.ts
index 3d5bfa360..889618646 100644
--- a/packages/demobank-ui/src/hooks/backend.ts
+++ b/packages/demobank-ui/src/hooks/backend.ts
@@ -46,16 +46,18 @@ import { AccessToken } from "./useCredentialsChecker.js";
  * Has the information to reach and
  * authenticate at the bank's backend.
  */
-export type BackendState = LoggedIn | LoggedOut;
+export type BackendState = LoggedIn | LoggedOut | Expired;
 
-export interface BackendCredentials {
+interface LoggedIn {
+  status: "loggedIn";
+  isUserAdministrator: boolean;
   username: string;
   token: AccessToken;
 }
-
-interface LoggedIn extends BackendCredentials {
-  status: "loggedIn";
+interface Expired {
+  status: "expired";
   isUserAdministrator: boolean;
+  username: string;
 }
 interface LoggedOut {
   status: "loggedOut";
@@ -69,6 +71,13 @@ export const codecForBackendStateLoggedIn = (): Codec<LoggedIn> =>
     .property("isUserAdministrator", codecForBoolean())
     .build("BackendState.LoggedIn");
 
+export const codecForBackendStateExpired = (): Codec<Expired> =>
+  buildCodecForObject<Expired>()
+    .property("status", codecForConstString("expired"))
+    .property("username", codecForString())
+    .property("isUserAdministrator", codecForBoolean())
+    .build("BackendState.Expired");
+
 export const codecForBackendStateLoggedOut = (): Codec<LoggedOut> =>
   buildCodecForObject<LoggedOut>()
     .property("status", codecForConstString("loggedOut"))
@@ -79,6 +88,7 @@ export const codecForBackendState = (): Codec<BackendState> =>
     .discriminateOn("status")
     .alternative("loggedIn", codecForBackendStateLoggedIn())
     .alternative("loggedOut", codecForBackendStateLoggedOut())
+    .alternative("expired", codecForBackendStateExpired())
     .build("BackendState");
 
 export function getInitialBackendBaseURL(): string {
@@ -94,8 +104,9 @@ export function getInitialBackendBaseURL(): string {
         "ERROR: backendBaseURL was overridden by a setting file and missing. Setting value to 'window.origin'",
       );
       result = window.origin
+    } else {
+      result = bankUiSettings.backendBaseURL;
     }
-    result = bankUiSettings.backendBaseURL;
   } else {
     // testing/development path
     result = overrideUrl
@@ -115,7 +126,8 @@ export const defaultState: BackendState = {
 export interface BackendStateHandler {
   state: BackendState;
   logOut(): void;
-  logIn(info: BackendCredentials): void;
+  expired(): void;
+  logIn(info: {username: string, token: AccessToken}): void;
 }
 
 const BACKEND_STATE_KEY = buildStorageKey(
@@ -133,12 +145,22 @@ export function useBackendState(): BackendStateHandler {
     BACKEND_STATE_KEY,
     defaultState,
   );
+  const mutateAll = useMatchMutate();
 
   return {
     state,
     logOut() {
       update(defaultState);
     },
+    expired() {
+      if (state.status === "loggedOut") return;
+      const nextState: BackendState = {
+        status: "expired",
+        username: state.username,
+        isUserAdministrator: state.username === "admin",
+      };
+      update(nextState);
+    },
     logIn(info) {
       //admin is defined by the username
       const nextState: BackendState = {
@@ -147,6 +169,7 @@ export function useBackendState(): BackendStateHandler {
         isUserAdministrator: info.username === "admin",
       };
       update(nextState);
+      mutateAll(/.*/)
     },
   };
 }
@@ -194,7 +217,7 @@ export function usePublicBackend(): useBackendType {
       number,
     ]): Promise<HttpResponseOk<T>> {
       const delta = -1 * size //descending order
-      const params = start ? { delta, start } : {delta}
+      const params = start ? { delta, start } : { delta }
       return requestHandler<T>(baseUrl, endpoint, {
         params,
       });
@@ -262,7 +285,8 @@ export function useAuthenticatedBackend(): useBackendType {
   const { state } = useBackendContext();
   const { request: requestHandler } = useApiContext();
 
-  const creds = state.status === "loggedIn" ? state.token : undefined;
+  // FIXME: libeufin returns 400 insteand of 401 if there is no auth token
+  const creds = state.status === "loggedIn" ? state.token : "secret-token:a"; 
   const baseUrl = getInitialBackendBaseURL();
 
   const request = useCallback(
@@ -288,7 +312,7 @@ export function useAuthenticatedBackend(): useBackendType {
       number,
     ]): Promise<HttpResponseOk<T>> {
       const delta = -1 * size //descending order
-      const params = start ? { delta, start } : {delta}
+      const params = start ? { delta, start } : { delta }
       return requestHandler<T>(baseUrl, endpoint, {
         token: creds,
         params,