OMEMO bugfix. Store prekey as boolean and handle '1' and 'true'

dev.html

@@ -10,7 +10,7 @@
     <meta name="keywords" content="xmpp chat webchat converse.js" />
     <link rel="shortcut icon" type="image/ico" href="css/images/favicon.ico"/>
     <link type="text/css" rel="stylesheet" media="screen" href="css/converse.css" />
-    <script src="3rdparty/libsignal-protocol-javascript/dist/libsignal-protocol.js"></script>
+    <script src="3rdparty/libsignal-protocol.js"></script>
     <script src="dist/converse.js"></script>
 </head>
 

dist/converse.js

@@ -56280,7 +56280,7 @@ _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins
         const _converse = this.__super__._converse,
               session_cipher = this.getSessionCipher(attrs.from, parseInt(attrs.encrypted.device_id, 10)); // https://xmpp.org/extensions/xep-0384.html#usecases-receiving
 
-        if (attrs.encrypted.prekey === 'true') {
+        if (attrs.encrypted.prekey === true) {
           let plaintext;
           return session_cipher.decryptPreKeyWhisperMessage(u.base64ToArrayBuffer(attrs.encrypted.key), 'binary').then(key_and_tag => {
             if (attrs.encrypted.payload) {
@@ -56340,7 +56340,7 @@ _converse_headless_converse_core__WEBPACK_IMPORTED_MODULE_0__["default"].plugins
             'iv': header.querySelector('iv').textContent,
             'key': key.textContent,
             'payload': _.get(encrypted.querySelector('payload'), 'textContent', null),
-            'prekey': key.getAttribute('prekey')
+            'prekey': _.includes(['true', '1'], key.getAttribute('prekey'))
           };
           return this.decrypt(attrs);
         } else {

src/converse-omemo.js

@@ -234,7 +234,7 @@ converse.plugins.add('converse-omemo', {
                       session_cipher = this.getSessionCipher(attrs.from, parseInt(attrs.encrypted.device_id, 10));
 
                 // https://xmpp.org/extensions/xep-0384.html#usecases-receiving
-                if (attrs.encrypted.prekey === 'true') {
+                if (attrs.encrypted.prekey === true) {
                     let plaintext;
                     return session_cipher.decryptPreKeyWhisperMessage(u.base64ToArrayBuffer(attrs.encrypted.key), 'binary')
                         .then(key_and_tag => {
@@ -284,7 +284,7 @@ converse.plugins.add('converse-omemo', {
                         'iv': header.querySelector('iv').textContent,
                         'key': key.textContent,
                         'payload': _.get(encrypted.querySelector('payload'), 'textContent', null),
-                        'prekey': key.getAttribute('prekey')
+                        'prekey': _.includes(['true', '1'], key.getAttribute('prekey'))
                     }
                     return this.decrypt(attrs);
                 } else {