Examine source code of Mudfish - HTTP Proxy

{
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@loxch.com",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteActivity",
          "websiteContent"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "name": "__MSG_manifest_name__",
  "short_name": "__MSG_manifest_short_name__",
  "description": "__MSG_manifest_description__",
  "homepage_url": "https://mudfish.net",
  "version": "4.6.11",
  "default_locale": "en",
  "action": {
    "default_icon": "images/appIcon/default-icon-b.png",
    "default_title": "__MSG_manifest_short_name__",
    "default_popup": "html/popup_connect.html"
  },
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "images/appIcon/16-icon.png",
    "32": "images/appIcon/32-icon.png",
    "48": "images/appIcon/48-icon.png",
    "128": "images/appIcon/128-icon.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "html/staticnodes.json"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/proxy.js"
    ]
  },
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "webRequestAuthProvider"
  ],
  "host_permissions": [
    "<all_urls>"
  ]
}