[web] fix/improve discovery and providers.find not defined

CHANGELOG.md

@@ -28,6 +28,8 @@
 - Webinterface: Improved the title / placeholder for the `hosts` restrictions key in the GUI editor to make it more
   clear that also subnets can be used.
 - Webinterface: Changed the login provider selector and added search functionality
+- Webinterface: Improved (re-)discovery of mytoken configuration
+- Webinterface: Fixed a problem with scope discovery if there was no OP selected.
 - Profiles: Improved / Fixed includes in especially restrictions when includes involve arrays.
 
 ### Bugfixes

internal/server/web/static/js/discovery.js

@@ -12,7 +12,7 @@ const configElements = [
 function discovery(...next) {
     try {
         const discovery = storageGet('discovery');
-        if (discovery !== null && discovery !== undefined) {
+        if (discovery !== null && discovery !== undefined && discovery > (Date.now() / 1000 - 3600)) {
             doNext(...next);
             return;
         }
@@ -23,7 +23,7 @@ function discovery(...next) {
                 configElements.forEach(function (el) {
                     storageSet(el, res[el]);
                 })
-                storageSet('discovery', Date.now())
+                storageSet('discovery', Date.now() / 1000)
                 doNext(...next);
             }
         });

internal/server/web/static/js/restr-gui.js

@@ -114,7 +114,11 @@ function getSupportedScopesFromStorage(iss = "") {
             iss = storageGet("oidc_issuer");
         }
     }
-    return providers.find(x => x.issuer === iss).scopes_supported;
+    let p = providers.find(x => x.issuer === iss)
+    if (p === undefined) {
+        return [];
+    }
+    return p.scopes_supported;
 }