Add NIP-44 encryption and decryption

Shared (Extension)/Resources/background.js

@@ -1,6 +1,7 @@
 import {
     nip04,
     nip19,
+    nip44,
     generateSecretKey,
     getPublicKey,
     finalizeEvent,
@@ -57,6 +58,8 @@ browser.runtime.onMessage.addListener((message, _sender, sendResponse) => {
         case 'signEvent':
         case 'nip04.encrypt':
         case 'nip04.decrypt':
+        case 'nip44.encrypt':
+        case 'nip44.decrypt':
         case 'getRelays':
             validations[uuid] = sendResponse;
             ask(uuid, message);
@@ -153,6 +156,12 @@ function complete({ payload, origKind, event, remember, host }) {
             case 'nip04.decrypt':
                 nip04Decrypt(event).then(e => sendResponse(e));
                 break;
+            case 'nip44.encrypt':
+                nip44Encrypt(event).then(e => sendResponse(e));
+                break;
+            case 'nip44.decrypt':
+                nip44Decrypt(event).then(e => sendResponse(e));
+                break;
             case 'getRelays':
                 getRelays().then(e => sendResponse(e));
                 break;
@@ -237,6 +246,18 @@ async function nip04Decrypt({ pubKey, cipherText }) {
     return nip04.decrypt(privKey, pubKey, cipherText);
 }
 
+async function nip44Encrypt({ pubKey, plainText }) {
+    let privKey = await getPrivKey();
+    let conversationKey = nip44.getConversationKey(privKey, pubKey)
+    return nip44.encrypt(plainText, conversationKey);
+}
+
+async function nip44Decrypt({ pubKey, cipherText }) {
+    let privKey = await getPrivKey();
+    let conversationKey = nip44.getConversationKey(privKey, pubKey)
+    return nip44.decrypt(cipherText, conversationKey);
+}
+
 async function getRelays() {
     let profile = await currentProfile();
     let relays = profile.relays;

Shared (Extension)/Resources/content.js

@@ -9,6 +9,8 @@ window.addEventListener('message', async message => {
         'getRelays',
         'nip04.encrypt',
         'nip04.decrypt',
+        'nip44.encrypt',
+        'nip44.decrypt',
     ];
     let { kind, reqId, payload } = message.data;
     if (!validEvents.includes(kind)) return;

Shared (Extension)/Resources/manifest.json

@@ -3,7 +3,7 @@
     "default_locale": "en",
     "name": "__MSG_extension_name__",
     "description": "__MSG_extension_description__",
-    "version": "2.0.0",
+    "version": "2.0.1",
     "icons": {
         "48": "images/icon-48.png",
         "96": "images/icon-96.png",

Shared (Extension)/Resources/nostr.js

@@ -42,6 +42,22 @@ window.nostr = {
             });
         },
     },
+
+    nip44: {
+        async encrypt(pubKey, plainText) {
+            return await window.nostr.broadcast('nip44.encrypt', {
+                pubKey,
+                plainText,
+            });
+        },
+
+        async decrypt(pubKey, cipherText) {
+            return await window.nostr.broadcast('nip44.decrypt', {
+                pubKey,
+                cipherText,
+            });
+        },
+    },
 };
 
 window.addEventListener('message', message => {
@@ -51,6 +67,8 @@ window.addEventListener('message', message => {
         'getRelays',
         'nip04.encrypt',
         'nip04.decrypt',
+        'nip44.encrypt',
+        'nip44.decrypt',
     ].map(e => `return_${e}`);
     let { kind, reqId, payload } = message.data;
 

Shared (Extension)/Resources/permission/permission.js

@@ -71,9 +71,13 @@ Alpine.data('permission', () => ({
             case 'getRelays':
                 return 'Read relay list';
             case 'nip04.encrypt':
-                return 'Encrypt private message';
+                return 'Encrypt private message (NIP-04)';
             case 'nip04.decrypt':
-                return 'Decrypt private message';
+                return 'Decrypt private message (NIP-04)';
+            case 'nip44.encrypt':
+                return 'Encrypt private message (NIP-44)';
+            case 'nip44.decrypt':
+                return 'Decrypt private message (NIP-44)';
             default:
                 break;
         }

Shared (Extension)/Resources/utilities/utils.js

@@ -350,9 +350,13 @@ export function humanPermission(p) {
         case 'getRelays':
             return 'Read relay list';
         case 'nip04.encrypt':
-            return 'Encrypt private message';
+            return 'Encrypt private message (NIP-04)';
         case 'nip04.decrypt':
-            return 'Decrypt private message';
+            return 'Decrypt private message (NIP-04)';
+        case 'nip44.encrypt':
+            return 'Encrypt private message (NIP-44)';
+        case 'nip44.decrypt':
+            return 'Decrypt private message (NIP-44)';
         default:
             return 'Unknown';
     }