Mail Seen - Email Tracker for Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Mail Seen - Email Tracker for Gmail",
  "version": "4.0.0",
  "description": "Know when your emails are opened!",
  "permissions": [
    "declarativeNetRequest",
    "declarativeNetRequestFeedback"
  ],
  "host_permissions": [
    "https://mail.google.com/",
    "https://authapi-f6o7ittoia-uc.a.run.app/"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "datasources.js",
        "content.js",
        "stats.js",
        "feed.js",
        "UIcomponents.js",
        "threadview.js",
        "charts/chart1.js",
        "charts/chart2.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "static/eyecrosseddark.png",
        "static/arrowdark.png",
        "static/send-mail.png",
        "static/eyewhite.png",
        "static/send.png",
        "static/eye.png",
        "static/file.png",
        "pdfGenerator.js",
        "static/refreshwhite.png",
        "static/close.png",
        "static/speed.png",
        "static/date.png",
        "static/eyecrossed.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "static/icon16.png",
      "48": "static/icon48.png",
      "128": "static/icon128.png"
    }
  },
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "rules.json"
      }
    ]
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  }
}