From 8393283cf87e2eade62b75499a3f9dffde6948b8 Mon Sep 17 00:00:00 2001
From: thePR0M3TH3AN <53631862+PR0M3TH3AN@users.noreply.github.com>
Date: Mon, 20 Oct 2025 13:21:01 -0400
Subject: [PATCH] Persist NIP-07 permissions between sessions

---
 js/nostr.js                  | 18 +++++++++++++++++-
 tests/watch-history.test.mjs | 25 +++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/js/nostr.js b/js/nostr.js
index 04514e72..6e46abce 100644
--- a/js/nostr.js
+++ b/js/nostr.js
@@ -3175,7 +3175,23 @@ export class NostrClient {
     this.watchHistoryLastCreatedAt = 0;
     this.countRequestCounter = 0;
     this.countUnsupportedRelays = new Set();
-    const storedPermissions = readStoredNip07Permissions();
+    let storedPermissions = null;
+    const hasLocalStorage =
+      (typeof window !== "undefined" &&
+        window &&
+        typeof window.localStorage !== "undefined") ||
+      (typeof globalThis !== "undefined" &&
+        globalThis &&
+        typeof globalThis.localStorage !== "undefined");
+
+    if (hasLocalStorage) {
+      try {
+        storedPermissions = readStoredNip07Permissions();
+      } catch (error) {
+        storedPermissions = null;
+      }
+    }
+
     this.extensionPermissionCache =
       storedPermissions instanceof Set ? storedPermissions : new Set();
   }
diff --git a/tests/watch-history.test.mjs b/tests/watch-history.test.mjs
index 18f09c44..4dcc54d5 100644
--- a/tests/watch-history.test.mjs
+++ b/tests/watch-history.test.mjs
@@ -968,7 +968,18 @@ async function testEnsureExtensionPermissionCaching() {
   const actor = "permission-actor";
   const extension = installExtensionCrypto({ actor });
   const previousCache = nostrClient.extensionPermissionCache;
+  let previousStoredPermissions = null;
+  if (typeof localStorage !== "undefined" && localStorage) {
+    try {
+      previousStoredPermissions = localStorage.getItem(
+        NIP07_PERMISSIONS_STORAGE_KEY,
+      );
+    } catch (error) {
+      previousStoredPermissions = null;
+    }
+  }
   nostrClient.extensionPermissionCache = new Set();
+  clearStoredExtensionPermissions();
 
   try {
     const first = await nostrClient.ensureExtensionPermissions([
@@ -998,6 +1009,20 @@ async function testEnsureExtensionPermissionCaching() {
   } finally {
     extension.restore();
     nostrClient.extensionPermissionCache = previousCache;
+    if (typeof localStorage !== "undefined" && localStorage) {
+      try {
+        if (previousStoredPermissions && previousStoredPermissions.length) {
+          localStorage.setItem(
+            NIP07_PERMISSIONS_STORAGE_KEY,
+            previousStoredPermissions,
+          );
+        } else {
+          clearStoredExtensionPermissions();
+        }
+      } catch (error) {
+        // ignore restore errors in tests
+      }
+    }
   }
 }