Examine source code of 花瓣网页收藏工具

{
  "applications": {
    "gecko": {
      "id": "xiaodan.zhang@huaban.com",
      "strict_min_version": "48.0"
    }
  },
  "name": "花瓣网页收藏工具",
  "version": "1.4.10",
  "manifest_version": 2,
  "description": "这个扩展程序可以让你方便地从任意网站上采集喜欢的图片、视频或者网页截图到花瓣网(huaban.com)上。这是花瓣网官方(huaban.com)提供的扩展。",
  "icons": {
    "16": "images/logo_16.png",
    "48": "images/logo_48.png",
    "128": "images/logo_128.png"
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "19": "images/logo_19.png",
      "38": "images/logo_38.png"
    },
    "default_title": "花瓣网页收藏工具",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "exclude_globs": [
        "*://huaban.com*",
        "*://*.huaban.com*",
        "http://local*",
        "http://127.0.0.1*"
      ],
      "include_globs": [
        "*"
      ],
      "js": [
        "js/script.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "js/page.js",
        "js/shortcut.js"
      ],
      "css": [
        "css/capture.css"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "js/isload.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "js/isinstalled.js"
      ],
      "matches": [
        "http://huaban.com/*",
        "https://huaban.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "js": [
        "js/transmit.js"
      ],
      "matches": [
        "http://huaban.com/*",
        "https://huaban.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self' https://huaban.com https://ssl.google-analytics.com; object-src 'self'",
  "permissions": [
    "contextMenus",
    "notifications",
    "storage",
    "tabs",
    "activeTab",
    "<all_urls>",
    "downloads"
  ]
}