Monitor WebSocket frames (new)

manifest.json

{
  "manifest_version": 2,
  "name": "WebSocketSniff (fork)",
  "version": "0.2.0",
  "author": "Artem Kislneko",
  "homepage_url": "https://github.com/kislenko-artem",
  "description": "Sniff websocket frames",
  "icons": {
    "48": "icons/websocket_50.png",
    "64": "icons/websocket_64.png",
    "128": "icons/websocket_128.png"
  },
  "applications": {
    "gecko": {
      "id": "[email protected]",
      "strict_min_version": "45.0"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "permissions": [
    "webRequest",
    "<all_urls>",
    "webRequestBlocking"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "devtools/ws_sniffer.js"
      ],
      "run_at": "document_end"
    }
  ],
  "devtools_page": "devtools/devtools-page.html",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self';"
}