Merge pull request #27 from juzibot/fix/mp3-duration

Fix/mp3 duration

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@juzi/whatsapp-web.js",
-  "version": "1.21.12",
+  "version": "1.21.13",
   "description": "Library for interacting with the WhatsApp Web API ",
   "main": "./index.js",
   "typings": "./index.d.ts",

src/Client.js

@@ -109,6 +109,9 @@ class Client extends EventEmitter {
             await this.pupPage.evaluate(ExposeLegacyAuthStore, moduleRaid.toString());
         }
 
+        // bridge browser log
+        this.page.on('console', msg => console.log('PUPPETEER PAGE LOG:', msg.text()));
+
         const needAuthentication = await this.pupPage.evaluate(async () => {
             let state = window.AuthStore.AppState.state;
 

src/util/Injected/Store.js

@@ -165,4 +165,23 @@ exports.ExposeStore = () => {
 
     window.injectToFunction({ module: 'WAWebE2EProtoUtils', function: 'typeAttributeFromProtobuf' }, (func, ...args) => { const [proto] = args; return proto.locationMessage || proto.groupInviteMessage ? 'text' : func(...args); });
 
+    window.injectToFunction({ module: 'WAWebFileUtils', function: 'getAudioDuration'}, (func, ...args) => {
+        const [file] = args;
+        let src;
+        let audio;
+        return new Promise((resolve) => {
+            audio = document.createElement('audio');
+            audio.addEventListener('loadeddata', resolve);
+            audio.addEventListener('error', (e) => {{
+                console.error(e);
+                resolve(5);
+            }});
+            src = URL.createObjectURL(file);
+            audio.src = src;
+        }).then(() => {
+            return ~~audio.seekable.end(0);
+        }).finally(() => {
+            src && URL.revokeObjectURL(src);
+        });
+    });
 };