Examine source code of StreamX

{
  "manifest_version": 2,
  "name": "Universal Video Downloader",
  "version": "1.2",
  "description": "Download videos from any website",
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "contextMenus",
    "scripting",
    "tabs",
    "notifications",
    "downloads",
    "*://127.0.0.1/*",
    "*://localhost/*",
    "http://10.100.0.2:5000/*",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-visibility.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "inject-visibility.js",
    "webrtc-recorder.js",
    "reports.html"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; connect-src 'self' http://127.0.0.1:5000 http://localhost:5000;",
  "browser_specific_settings": {
    "gecko": {
      "id": "universal-video-downloader@example.com",
      "data_collection_permissions": {
        "collects_log_data": false,
        "collects_technical_data": false,
        "collects_personal_data": false,
        "required": [
          "none"
        ]
      }
    }
  }
}