Fix Gashboard encrypted chat on HTTP and open the native signer on launch

docker/gashboard/apps/web/package.json

@@ -10,6 +10,7 @@
     "typecheck": "vue-tsc --noEmit"
   },
   "dependencies": {
+    "@noble/ciphers": "0.5.3",
     "applesauce-accounts": "5.1.0",
     "applesauce-signers": "5.1.0",
     "nostr-tools": "2.10.4",

docker/gashboard/apps/web/src/App.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from "vue";
-import { RouterLink, RouterView, useRoute } from "vue-router";
+import { RouterLink, RouterView, useRoute, useRouter } from "vue-router";
 import { useAuthStore } from "./stores/auth";
 import { useStatsStore } from "./stores/stats";
 import ChatDrawer from "./components/ChatDrawer.vue";
@@ -9,6 +9,11 @@ import ReleaseNotesDrawer from "./components/ReleaseNotesDrawer.vue";
 const auth = useAuthStore();
 const stats = useStatsStore();
 const route = useRoute();
+const router = useRouter();
+function logout(): void {
+  auth.logout();
+  void router.push({ name: "login" });
+}
 const crt = ref(false);
 const chatOpen = ref(false);
 const releaseOpen = ref(false);
@@ -63,7 +68,7 @@ watch(
       <template v-if="auth.isLoggedIn">
         <button class="thin" @click="chatOpen = !chatOpen">chat</button>
         <span class="muted">{{ auth.npub ? shortNpub(auth.npub) : "" }}</span>
-        <button class="thin" @click="auth.logout()">logout</button>
+        <button class="thin" @click="logout">logout</button>
       </template>
     </div>
   </header>

docker/gashboard/apps/web/src/components/ChatDrawer.vue

@@ -26,7 +26,7 @@ const mediaStickers = computed(() => CHAT_STICKERS.filter((sticker) => sticker.i
 const textStickers = computed(() => CHAT_STICKERS.filter((sticker) => !sticker.image));
 
 onMounted(() => {
-  if (auth.isLoggedIn) void start();
+  if (props.open && auth.isLoggedIn) void start();
 });
 
 onUnmounted(() => {
@@ -36,10 +36,12 @@ onUnmounted(() => {
 watch(
   () => auth.isLoggedIn,
   (loggedIn) => {
-    if (loggedIn) void start();
+    if (loggedIn) {
-    else {
+      if (props.open) void start();
+    } else {
       sub?.close();
       sub = null;
+      chat.clearChatSession();
       messages.value = [];
       profiles.value = {};
       reactions.value = {};
@@ -50,16 +52,17 @@ watch(
 
 watch(
   () => props.open,
-  (open) => {
+  async (open) => {
     if (open) {
-      if (!canSend.value) void auth.restoreSavedSigner();
+      if (!canSend.value) await auth.restoreSavedSigner();
+      if (auth.isLoggedIn) await start();
       void scrollBottom();
     }
   },
 );
 
 async function start(): Promise<void> {
-  if (sub) return;
+  if (sub || loading.value) return;
   loading.value = true;
   error.value = "";
   try {

docker/gashboard/apps/web/src/services/chat.ts

@@ -1,3 +1,4 @@
+import { gcm } from "@noble/ciphers/aes";
 import type { Event as NostrEvent } from "nostr-tools";
 import { nip19 } from "nostr-tools";
 import { SimplePool } from "nostr-tools/pool";
@@ -34,9 +35,17 @@ export type ChatProfile = {
 
 let reactionCache: ChatReaction[] = [];
 let cachedRecipients: string[] | null = null;
-let cachedRoomKey: CryptoKey | null = null;
+let cachedRoomKey: Uint8Array | null = null;
 let cachedRoomKeyRaw = "";
 
+export function clearChatSession(): void {
+  cachedRoomKey?.fill(0);
+  cachedRoomKey = null;
+  cachedRoomKeyRaw = "";
+  cachedRecipients = null;
+  reactionCache = [];
+}
+
 export function canSendChat(): boolean {
   return hasActiveSigner();
 }
@@ -164,11 +173,9 @@ async function encryptPayload(plaintext: string): Promise<string> {
   const key = await ensureRoomKey();
   try {
     const iv = crypto.getRandomValues(new Uint8Array(12));
-    const ciphertext = await crypto.subtle.encrypt(
+    // WebCrypto is unavailable on LAN HTTP. Noble preserves the same AES-GCM
-      { name: "AES-GCM", iv },
+    // wire format (ciphertext followed by the 128-bit authentication tag).
-      key,
+    const ciphertext = gcm(key, iv).encrypt(new TextEncoder().encode(plaintext));
-      new TextEncoder().encode(plaintext),
-    );
     return JSON.stringify({
       v: 1,
       alg: "aes-gcm",
@@ -192,11 +199,9 @@ async function decryptPayload(value: string): Promise<string> {
       return "[encrypted with unknown chat format]";
     }
     const key = await ensureRoomKey();
-    const decrypted = await crypto.subtle.decrypt(
+    const iv = unbase64(envelope.iv);
-      { name: "AES-GCM", iv: unbase64(envelope.iv) },
+    if (iv.length !== 12) throw new Error("Invalid chat nonce");
-      key,
+    const decrypted = gcm(key, iv).decrypt(unbase64(envelope.ciphertext));
-      unbase64(envelope.ciphertext),
-    );
     return new TextDecoder().decode(decrypted);
   } catch {
     return "[encrypted - decrypt failed]";
@@ -218,7 +223,7 @@ async function getRecipients(): Promise<string[]> {
   return [...new Set([...(cachedRecipients ?? []), ...(own ? [own] : [])])].filter(Boolean);
 }
 
-async function ensureRoomKey(snapshot?: ChatSnapshot): Promise<CryptoKey> {
+async function ensureRoomKey(snapshot?: ChatSnapshot): Promise<Uint8Array> {
   if (cachedRoomKey) return cachedRoomKey;
   const signer = getActiveSigner();
   if (!signer) throw new Error("Reconnect your signer to unlock private chat");
@@ -250,12 +255,11 @@ async function publishRoomKey(raw: string): Promise<void> {
   await postChatKeyWraps({ wraps });
 }
 
-async function importRoomKey(raw: string): Promise<CryptoKey> {
+async function importRoomKey(raw: string): Promise<Uint8Array> {
   if (cachedRoomKey && cachedRoomKeyRaw === raw) return cachedRoomKey;
-  cachedRoomKey = await crypto.subtle.importKey("raw", unbase64(raw), { name: "AES-GCM" }, false, [
+  const key = unbase64(raw);
-    "encrypt",
+  if (key.length !== 32) throw new Error("Invalid private chat room key");
-    "decrypt",
+  cachedRoomKey = key;
-  ]);
   cachedRoomKeyRaw = raw;
   return cachedRoomKey;
 }

docker/gashboard/apps/web/src/stores/auth.ts

@@ -9,6 +9,7 @@ export const useAuthStore = defineStore("auth", () => {
   const token = ref<string | null>(stored?.token ?? null);
   const error = ref<string | null>(null);
   const busy = ref(false);
+  const nativeLoginPending = ref(!stored?.token);
   const restoringSigner = ref(false);
 
   const isLoggedIn = computed(() => !!token.value);
@@ -107,6 +108,7 @@ export const useAuthStore = defineStore("auth", () => {
   }
 
   function logout(): void {
+    nativeLoginPending.value = false;
     api.clearToken();
     signer.clearSigner();
     token.value = null;
@@ -133,6 +135,7 @@ export const useAuthStore = defineStore("auth", () => {
     error,
     busy,
     restoringSigner,
+    nativeLoginPending,
     isLoggedIn,
     hasActiveSigner,
     loginExtension,

docker/gashboard/apps/web/src/types.ts

@@ -120,6 +120,10 @@ export type ApiError = { error: { code: string; message: string } };
 
 declare global {
   interface Window {
+    archipelagoNostr?: {
+      selectIdentity(): Promise<unknown>;
+      getSelectedIdentity(): { nostr_pubkey: string } | null;
+    };
     nostr?: {
       getPublicKey(): Promise<string>;
       signEvent(event: {

docker/gashboard/apps/web/src/views/LoginView.vue

@@ -9,13 +9,23 @@ const route = useRoute();
 const bunkerUri = ref("");
 const showBunkerInput = ref(false);
 const waitingRemote = ref(false);
+const choosingIdentity = ref(false);
 
-async function loginExt(): Promise<void> {
+async function loginExt(initialLaunch = false): Promise<void> {
+  if (auth.busy || choosingIdentity.value) return;
+  choosingIdentity.value = true;
+  auth.error = null;
   try {
+    const native = window.archipelagoNostr;
+    if (native && (!initialLaunch || !native.getSelectedIdentity())) {
+      await native.selectIdentity();
+    }
     await auth.loginExtension();
     void router.push({ name: "dashboard" });
-  } catch {
+  } catch (error) {
-    /* surfaced via auth.error */
+    auth.error = error instanceof Error ? error.message : "Sign-in cancelled";
+  } finally {
+    choosingIdentity.value = false;
   }
 }
 
@@ -58,7 +68,12 @@ async function resumeRemoteApp(): Promise<void> {
 }
 
 onMounted(() => {
-  if (route.query.remote === "return") void resumeRemoteApp();
+  if (route.query.remote === "return") {
+    void resumeRemoteApp();
+  } else if (window.archipelagoNostr && auth.nativeLoginPending && !auth.isLoggedIn) {
+    auth.nativeLoginPending = false;
+    void loginExt(true);
+  }
 });
 </script>
 
@@ -73,14 +88,14 @@ onMounted(() => {
       </div>
 
       <div class="options">
-        <button class="primary big" :disabled="auth.busy" @click="loginExt">
+        <button class="primary big" :disabled="auth.busy || choosingIdentity" @click="loginExt(false)">
           {{ auth.busy ? "..." : "sign in with Nostr" }}
           <small>Archipelago identity or browser extension</small>
         </button>
 
         <button
           class="primary big"
-          :disabled="auth.busy"
+          :disabled="auth.busy || choosingIdentity"
           @click="loginRemoteApp"
         >
           {{ waitingRemote ? "waiting for signer..." : "open signer app" }}
@@ -89,7 +104,7 @@ onMounted(() => {
 
         <button
           class="big"
-          :disabled="auth.busy"
+          :disabled="auth.busy || choosingIdentity"
           @click="showBunkerInput = !showBunkerInput"
         >
           bunker URI
@@ -104,7 +119,7 @@ onMounted(() => {
             spellcheck="false"
             autocomplete="off"
           />
-          <button class="primary" :disabled="auth.busy" @click="loginBunker">
+          <button class="primary" :disabled="auth.busy || choosingIdentity" @click="loginBunker">
             {{ auth.busy ? "connecting…" : "connect" }}
           </button>
         </div>

docker/gashboard/pnpm-lock.yaml

@@ -65,6 +65,9 @@ importers:
 
   apps/web:
     dependencies:
+      '@noble/ciphers':
+        specifier: 0.5.3
+        version: 0.5.3
       applesauce-accounts:
         specifier: 5.1.0
         version: 5.1.0(typescript@5.7.2)