Examine source code of Browsec VPN

{
  "name": "__MSG_extension_name__",
  "short_name": "__MSG_esn__",
  "description": "__MSG_extension_description__",
  "homepage_url": "https://browsec.com/",
  "default_locale": "en",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icons/16x16/disabled.png",
      "19": "images/icons/19x19/disabled.png",
      "24": "images/icons/24x24/disabled.png",
      "32": "images/icons/32x32/disabled.png",
      "38": "images/icons/38x38/disabled.png"
    },
    "default_title": "__MSG_browser_action_inactive_title__",
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "privacy",
    "tabs",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*"
      ],
      "js": [
        "browsecSiteContentScript.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "timezoneChange.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://browsec.com/*"
      ],
      "js": [
        "exp429OrderStatusButton.js"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": "default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https://*.google.com https://*.gstatic.com; font-src 'self'; object-src 'none'; connect-src 'self' https: http://detectportal.firefox.com http://*/api/test http://connectivitycheck.android.com http://example.com http://*.webstat.me http://*.webstat.me/*  http://www.root-servers.org http://prmsrvs.com http://*.prmsrvs.com http://trafcfy.com http://*.trafcfy.com http://prmdom.com http://*.prmdom.com http://frmdom.com http://*.frmdom.com http://static-fn.com http://*.static-fn.com http://fn-cdn.com http://*.fn-cdn.com http://bd-assets.com http://*.bd-assets.com http://cdnflow.net http://*.cdnflow.net http://promptmesh.net http://*.promptmesh.net http://contentnode.net http://*.contentnode.net http://swiftcdn.org http://*.swiftcdn.org http://rapidwebserve.com http://*.rapidwebserve.com http://datafrenzy.org http://*.datafrenzy.org http://fastcache.xyz http://*.fastcache.xyz http://quickedgecdn.com http://*.quickedgecdn.com http://cacheflow.cloud http://*.cacheflow.cloud http://cacheflow.live http://*.cacheflow.live http://cacheflow.pro http://*.cacheflow.pro http://cachequick.info http://*.cachequick.info http://cachequick.live http://*.cachequick.live http://cachequick.pro http://*.cachequick.pro http://cachequick.xyz http://*.cachequick.xyz http://cdnaccelerate.site http://*.cdnaccelerate.site http://cdnaccelerate.space http://*.cdnaccelerate.space http://cdnaccelerate.xyz http://*.cdnaccelerate.xyz http://cdnexpress.art http://*.cdnexpress.art http://cdnexpress.live http://*.cdnexpress.live http://cdnnetwork.fun http://*.cdnnetwork.fun http://cdnnetwork.live http://*.cdnnetwork.live http://cdnnetwork.xyz http://*.cdnnetwork.xyz http://contentboost.click http://*.contentboost.click http://contentboost.website http://*.contentboost.website http://contentrush.fun http://*.contentrush.fun http://contentrush.space http://*.contentrush.space http://datadispatch.xyz http://*.datadispatch.xyz http://datadistribute.cloud http://*.datadistribute.cloud http://datadistribute.live http://*.datadistribute.live http://edgeaccelerator.space http://*.edgeaccelerator.space http://edgeaccelerator.website http://*.edgeaccelerator.website http://edgecache.fun http://*.edgecache.fun http://edgecache.live http://*.edgecache.live http://edgecache.online http://*.edgecache.online http://edgecache.xyz http://*.edgecache.xyz http://fastcontent.live http://*.fastcontent.live http://fastcontent.store http://*.fastcontent.store http://fastcontent.xyz http://*.fastcontent.xyz http://fastfetch.fun http://*.fastfetch.fun http://fastfetch.info http://*.fastfetch.info http://fastfetch.live http://*.fastfetch.live http://fastfetch.xyz http://*.fastfetch.xyz http://quickcache.click http://*.quickcache.click http://quickcache.space http://*.quickcache.space http://quickcache.website http://*.quickcache.website http://rapidcdn.click http://*.rapidcdn.click http://speedstream.click http://*.speedstream.click http://speedstream.info http://*.speedstream.info http://speedstream.live http://*.speedstream.live http://speedycdn.fun http://*.speedycdn.fun http://speedycdn.space http://*.speedycdn.space http://streamlined.delivery http://*.streamlined.delivery http://streamlineddata.space http://*.streamlineddata.space http://datadistribute.xyz http://*.datadistribute.xyz http://edgeaccelerator.xyz http://*.edgeaccelerator.xyz http://rapidcdn.xyz http://*.rapidcdn.xyz http://speedycdn.xyz http://*.speedycdn.xyz http://streamlineddata.pro http://*.streamlineddata.pro http://speedcdn.me http://*.speedcdn.me http://cdnflow.xyz http://*.cdnflow.xyz http://cdnboost.xyz http://*.cdnboost.xyz http://tiktokcdn.org http://*.tiktokcdn.org http://fastcdn.club http://*.fastcdn.club http://cdnboost.me http://*.cdnboost.me http://edgecdn.org http://*.edgecdn.org http://speedcdn.pro http://*.speedcdn.pro http://cdnboost.org http://*.cdnboost.org http://cdnbridge.org http://*.cdnbridge.org http://cdnrocket.org http://*.cdnrocket.org http://datafrenzy.org http://*.datafrenzy.org http://cdncloudhost.com http://*.cdncloudhost.com http://cdnflare.org http://*.cdnflare.org http://cdnaccelerate.com http://*.cdnaccelerate.com http://swiftcdn.org http://*.swiftcdn.org http://cdnexpress.org http://*.cdnexpress.org http://cdnstreamer.com http://*.cdnstreamer.com http://cdnflow.net http://*.cdnflow.net http://cdnzone.net http://*.cdnzone.net http://speedserve.org http://*.speedserve.org http://staticrush.com http://*.staticrush.com http://contentnode.net http://*.contentnode.net http://bd-assets.com http://*.bd-assets.com http://fastcache.xyz http://*.fastcache.xyz",
  "manifest_version": 2,
  "version": "3.93.2",
  "optional_permissions": [
    "browsingData",
    "management"
  ],
  "applications": {
    "gecko": {
      "strict_min_version": "91.1.0"
    }
  },
  "browser_specific_settings": {
    "gecko_android": {},
    "gecko": {
      "id": "browsec@browsec.com"
    }
  },
  "background": {
    "scripts": [
      "lodash.js",
      "background.js"
    ]
  }
}