Examine source code of 1337x

{
  "author": "rima duello",
  "homepage_url": "https://github.com/rimaduello/ttsx-ext",
  "manifest_version": 2,
  "name": "1337x",
  "version": "2.0.2",
  "description": "supplementary content in 1337x sites",
  "icons": {
    "32": "icons/icon-32.svg",
    "48": "icons/icon-48.svg",
    "64": "icons/icon-64.svg",
    "96": "icons/icon-96.svg"
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "32": "icons/icon-32.svg",
      "48": "icons/icon-48.svg",
      "64": "icons/icon-64.svg",
      "96": "icons/icon-96.svg"
    }
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "32": "icons/icon-black-32.svg",
      "48": "icons/icon-black-48.svg",
      "64": "icons/icon-black-64.svg",
      "96": "icons/icon-black-96.svg"
    },
    "show_matches": [
      "*://*.1337x.buzz/*",
      "*://*.1337x.unblockit.ltd/*",
      "*://*.1337x.to/*",
      "*://*.1337x.tw/*",
      "*://*.1337xx.to/*",
      "*://*.1337x.st/*",
      "*://*.1337x.unblockit.app/*",
      "*://*.1337x.is/*",
      "*://*.1337xto.to/*",
      "*://*.x1337x.ws/*",
      "*://*.x1337x.se/*",
      "*://*.1337x.gd/*",
      "*://*.x1337x.eu/*",
      "*://*.1337x.unblockninja.com/*"
    ],
    "default_title": "1337x extension is enabled on this page"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.1337x.buzz/*",
        "*://*.1337x.unblockit.ltd/*",
        "*://*.1337x.to/*",
        "*://*.1337x.tw/*",
        "*://*.1337xx.to/*",
        "*://*.1337x.st/*",
        "*://*.1337x.unblockit.app/*",
        "*://*.1337x.is/*",
        "*://*.1337xto.to/*",
        "*://*.x1337x.ws/*",
        "*://*.x1337x.se/*",
        "*://*.1337x.gd/*",
        "*://*.x1337x.eu/*",
        "*://*.1337x.unblockninja.com/*"
      ],
      "js": [
        "content_scripts/content.js"
      ]
    }
  ],
  "permissions": [
    "*://*.picbaron.com/*",
    "*://*.imgderviches.work/*",
    "*://*.imgdrive.net/*",
    "*://*.cloudgallery.net/*",
    "*://*.iceimg.net/*",
    "*://*.imgblaze.net/*",
    "*://*.imgair.net/*"
  ]
}