Examine source code of OverPhish: Phishing Domain Blocker

{
  "manifest_version": 3,
  "name": "OverPhish: Phishing Domain Blocker",
  "version": "1.1.0",
  "description": "Blocks phishing & malware domains in real time using daily-updated public blocklists. 100% private, no tracking.",
  "icons": {
    "16": "assets/icons/icon16.png",
    "32": "assets/icons/icon32.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png",
    "512": "assets/icons/icon512.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage",
    "activeTab",
    "webNavigation",
    "declarativeNetRequest",
    "declarativeNetRequestWithHostAccess",
    "unlimitedStorage",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "overphish_block",
        "enabled": true,
        "path": "rules/block.json"
      }
    ]
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "32": "assets/icons/icon32.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    }
  },
  "options_page": "settings/settings.html",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline'"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "blocked/blocked.html",
        "blocked/blocked.js",
        "ui/css/pico.min.css",
        "ui/css/pico.colors.min.css",
        "popup/popup.html",
        "popup/popup.js",
        "settings/settings.html",
        "settings/settings.js",
        "privacy/privacy.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "minimum_chrome_version": "114",
  "browser_specific_settings": {
    "gecko": {
      "id": "support@overphish.app",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}