Examine source code of Telegram Download

{
  "content_scripts": [
    {
      "matches": [
        "https://*.web.telegram.org/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c9f442b-3d07-4be9-b36b-50d5849b9682}"
    }
  },
  "description": "Allow download telegram media from channels or groups with media protection",
  "short_name": "Tg Downloader",
  "icons": {
    "16": "16x16.png",
    "48": "48x48.png",
    "128": "128x128.png",
    "256": "256x256.png"
  },
  "manifest_version": 2,
  "version": "2.3.0",
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "https://web.telegram.org/k",
    "webRequestFilterResponse",
    "downloads",
    "storage",
    "http://*/*",
    "https://*/*",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Telegram downloader",
    "default_icon": {
      "48": "48x48.png"
    },
    "default_popup": "index.html"
  },
  "name": "Telegram Downloader"
}