Got rid of WAClient, deprecated code. Prep for V3

Layered classes based on hierarchy as well.

src/BrowserMessageDecoding.ts

@@ -0,0 +1,55 @@
+import fs from 'fs'
+import { decryptWA } from './WAConnection/WAConnection'
+import Decoder from './Binary/Decoder'
+
+interface BrowserMessagesInfo {
+    encKey: string,
+    macKey: string,
+    harFilePath: string
+}
+interface WSMessage {
+    type: 'send' | 'receive',
+    data: string
+}
+const file = fs.readFileSync ('./browser-messages.json', {encoding: 'utf-8'})
+const json: BrowserMessagesInfo = JSON.parse (file)
+
+const encKey = Buffer.from (json.encKey, 'base64')
+const macKey = Buffer.from (json.macKey, 'base64')
+
+const harFile = JSON.parse ( fs.readFileSync( json.harFilePath , {encoding: 'utf-8'}))
+const entries = harFile['log']['entries']
+let wsMessages: WSMessage[] = []
+entries.forEach ((e, i) => {    
+    if ('_webSocketMessages' in e) {
+        wsMessages.push (...e['_webSocketMessages'])
+    }
+})
+const decrypt = buffer => {
+    try {
+        return decryptWA (buffer, macKey, encKey, new Decoder())
+    } catch {
+        return decryptWA (buffer, macKey, encKey, new Decoder(), true)
+    }
+}
+
+console.log ('parsing ' + wsMessages.length + ' messages')
+const list = wsMessages.map ((item, i) => {
+    const buffer = Buffer.from (item.data, 'base64')
+    try {
+
+        const [tag, json, binaryTags] = decrypt (buffer)
+        return {tag, json: JSON.stringify(json), binaryTags}
+    } catch (error) {
+        try {
+            const [tag, json, binaryTags] = decrypt (item.data)
+            return {tag, json: JSON.stringify(json), binaryTags}
+        } catch (error) {
+            console.log ('error in decoding: ' + item.data + ': ' + error)
+            return null
+        }
+        
+    }
+})
+const str = JSON.stringify (list, null, '\t')
+fs.writeFileSync ('decoded-ws.json', str)