Stop OpenBao login redirect loop by removing URL rewriting

Remove redirect-bootstrap and mount polling that fought Ember's token
fallback. Keep cosmetic overlay and direct KeyCape OIDC on sign-in only.

helm/openbao-ui-overlay/README.md

@@ -31,7 +31,7 @@ behaviour.
 | `VERSION` | OpenBao image tag this overlay targets (`openbao-values.yaml`) |
 | `presets.json` | Hidden login defaults (`netkingdom`, `platform-admin`, …) |
 | `overlay.css` | Hide raw OpenBao login fields |
-| `overlay.js` | Apply presets, branding, mount deep-link |
+| `overlay.js` | Apply presets, branding, direct KeyCape OIDC sign-in |
 | `nginx.conf` | Gateway proxy + HTML injection |
 | `patches/<version>/manifest.sha256` | Upstream UI fingerprints for drift detection |
 

helm/openbao-ui-overlay/nginx.conf

@@ -49,7 +49,7 @@ http {
 
       sub_filter_types text/html;
       sub_filter_once on;
-      sub_filter '</head>' '<script src="/ui/platform-overlay/redirect-bootstrap.js"></script><link rel="stylesheet" href="/ui/platform-overlay/overlay.css"><script src="/ui/platform-overlay/overlay.js"></script></head>';
+      sub_filter '</head>' '<link rel="stylesheet" href="/ui/platform-overlay/overlay.css"><script src="/ui/platform-overlay/overlay.js" defer></script></head>';
     }
   }
 }

helm/openbao-ui-overlay/overlay.js

@@ -4,8 +4,6 @@
   const PRESETS_URL = "/ui/platform-overlay/presets.json";
   const MAX_APPLY_ATTEMPTS = 40;
   const APPLY_INTERVAL_MS = 250;
-  const MOUNT_WATCH_MS = 500;
-  const MOUNT_WATCH_MAX = 24;
   const DEFAULT_PRESETS = {
     namespace: "",
     method: "oidc",
@@ -20,7 +18,6 @@
   let presets = { ...DEFAULT_PRESETS };
   let applyAttempts = 0;
   let applyTimer = null;
-  let mountWatchTimer = null;
   let overlayApplied = false;
   let signInHandlerInstalled = false;
 
@@ -32,38 +29,8 @@
     );
   }
 
-  function normalizedMount(value) {
-    return (value || "").replace(/\/$/, "");
-  }
-
-  function desiredMount() {
-    return normalizedMount(presets.mount || "netkingdom");
-  }
-
-  function currentMountFromQuery() {
-    return normalizedMount(
-      new URLSearchParams(window.location.search).get("with") || ""
-    );
-  }
-
-  function ensureAuthMountSelected() {
-    const mount = desiredMount();
-    const current = currentMountFromQuery();
-
-    if (current === mount || current === "keycape") {
-      return false;
-    }
-
-    if (!isAuthPage() || window.location.pathname.includes("/oidc/")) {
-      return false;
-    }
-
-    const params = new URLSearchParams(window.location.search);
-    params.set("with", `${mount}/`);
-    window.location.replace(
-      `${window.location.pathname}?${params.toString()}`
-    );
-    return true;
+  function isOidcCallbackPage() {
+    return window.location.pathname.includes("/oidc/");
   }
 
   function hideNode(node) {
@@ -121,7 +88,7 @@
     document.addEventListener(
       "click",
       (event) => {
-        if (!isAuthPage()) return;
+        if (!isAuthPage() || isOidcCallbackPage()) return;
 
         const button = event.target.closest(
           '#auth-submit, button[data-test="auth-submit"], form#auth-form button[type="submit"]'
@@ -151,7 +118,7 @@
   }
 
   function applyDom() {
-    if (!isAuthPage() || overlayApplied) return false;
+    if (!isAuthPage() || isOidcCallbackPage() || overlayApplied) return false;
 
     hideNode(document.querySelector(".toolbar-namespace-picker"));
     document
@@ -245,25 +212,6 @@
     }
   }
 
-  function stopMountWatch() {
-    if (mountWatchTimer !== null) {
-      window.clearInterval(mountWatchTimer);
-      mountWatchTimer = null;
-    }
-  }
-
-  function watchAuthMount() {
-    stopMountWatch();
-    let checks = 0;
-
-    mountWatchTimer = window.setInterval(() => {
-      checks += 1;
-      if (ensureAuthMountSelected() || checks >= MOUNT_WATCH_MAX) {
-        stopMountWatch();
-      }
-    }, MOUNT_WATCH_MS);
-  }
-
   function scheduleApply() {
     stopApplyLoop();
     applyAttempts = 0;
@@ -292,15 +240,9 @@
   }
 
   async function init() {
-    if (!isAuthPage()) return;
+    if (!isAuthPage() || isOidcCallbackPage()) return;
 
     await loadPresets();
-
-    if (ensureAuthMountSelected()) {
-      return;
-    }
-
-    watchAuthMount();
     installKeyCapeSignInHandler();
 
     if (document.readyState === "loading") {

helm/openbao-ui-overlay/redirect-bootstrap.js

@@ -1,23 +0,0 @@
-(function () {
-  "use strict";
-
-  var path = window.location.pathname;
-  if (path.indexOf("/oidc/") !== -1) {
-    return;
-  }
-
-  if (!/\/ui\/vault\/auth(?:\/|$)/.test(path) && !/\/ui\/?$/.test(path)) {
-    return;
-  }
-
-  var params = new URLSearchParams(window.location.search);
-  var current = (params.get("with") || "").replace(/\/$/, "");
-  if (current === "netkingdom" || current === "keycape") {
-    return;
-  }
-
-  params.set("with", "netkingdom/");
-  window.location.replace(
-    window.location.pathname + "?" + params.toString()
-  );
-})();