Examine source code of OFDownloader

{
  "manifest_version": 3,
  "name": "Onlyf**s Video Downloader",
  "description": "Bulk download images and videos from my OnlyF**s active subscriptions.",
  "version": "2.2.3",
  "short_name": "Onlyf**s",
  "icons": {
    "16": "/icon/icon-rect-16.png",
    "48": "/icon/icon-rect-48.png",
    "128": "/icon/icon-rect-128.png"
  },
  "action": {},
  "commands": {
    "ofdl:no-op": {
      "description": "Internal command placeholder"
    }
  },
  "host_permissions": [
    "*://*.onlyf**s.com/*",
    "*://r2.hlsdownloader.com/*",
    "*://hlsdownloader.com/*",
    "*://api.savemydayapp.com/*",
    "http://127.0.0.1:7828/*"
  ],
  "permissions": [
    "cookies",
    "storage",
    "identity",
    "scripting",
    "activeTab",
    "tabs",
    "downloads",
    "downloads.open",
    "declarativeNetRequest",
    "webRequest"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/wasm/*",
        "assets/opfs-worker*.js",
        "opfs-host.html",
        "main-world.js",
        "icon/icon-rect-48.png",
        "icon/icon-rounded-rect-48.png"
      ],
      "matches": [
        "*://*.onlyf**s.com/*"
      ]
    },
    {
      "resources": [
        "web-auth-page-bridge.js"
      ],
      "matches": [
        "https://hlsdownloader.com/*",
        "https://www.hlsdownloader.com/*",
        "http://localhost/*"
      ]
    },
    {
      "resources": [
        "content-scripts/content.css"
      ],
      "matches": [
        "*://*.onlyf**s.com/*"
      ]
    }
  ],
  "homepage_url": "https://hlsdownloader.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7164aa4-aefa-49e2-8a90-5133689ee778}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "websiteActivity"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "type": "module",
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.onlyf**s.com/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ],
      "world": "ISOLATED"
    },
    {
      "matches": [
        "http://localhost/*",
        "https://hlsdownloader.com/*",
        "https://www.hlsdownloader.com/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/web-auth-bridge.js"
      ]
    }
  ]
}