Examine source code of 即刻图床

{
  "name": "即刻图床",
  "description": "🐴 完全利用各个互联网大厂的外链图片来做的免费图床，速度快！",
  "options_page": "options.html",
  "icons": {
    "16": "img/16.png",
    "48": "img/48.png",
    "128": "img/128.png"
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": "img/48.png",
    "default_title": "即刻图床"
  },
  "version": "1.0.26",
  "manifest_version": 2,
  "homepage_url": "https://jiketuchuang.com",
  "content_scripts": [
    {
      "matches": [
        "https://baijiahao.baidu.com/?jiketuchuang=1"
      ],
      "js": [
        "js/get_baidu_token.js"
      ]
    }
  ],
  "permissions": [
    "*://upload.58cdn.com.cn/*",
    "*://bbs.ldmnq.com/*",
    "*://imio.jd.com/*",
    "*://picupload.weibo.com/*",
    "*://baijiahao.baidu.com/*",
    "*://review.suning.com/*",
    "*://qiye.mi.com/*",
    "*://yzf.qq.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4ddd6bcb-3056-452e-a004-7820184e2829}"
    }
  }
}