manifest.json

{
  "name": "Web Accessible Resources Demo",
  "version": "1.0",
  "manifest_version": 3,
  "background": {
    "service_worker": "service-worker.js"
  },
  "description": "Uses the web_accessible_resources key in the manifest.json file to control access to assets within an extension.",
  "action": {},
  "content_scripts": [
    {
      "matches": [
        "https://web-accessible-resources-1.glitch.me/*",
        "https://web-accessible-resources-2.glitch.me/*"
      ],
      "all_frames": true,
      "js": ["content-script.js"]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": ["test1.png", "test2.png"],
      "matches": ["https://web-accessible-resources-1.glitch.me/*"]
    },
    {
      "resources": ["test3.png", "test4.png"],
      "matches": ["https://web-accessible-resources-2.glitch.me/*"],
      "use_dynamic_url": true
    }
  ],
  "key": "AAAAB3NzaC1yc2EAAAADAQABAAABAQCnCTnUK8jgYTxnQLdtE6QzkZgn3rZv0U1naCx4csdSDqYEBXgW2pR2m/uUIAU1HzAUfkDckqTezyIG1bPw8l5X8FyWfgMQANFgTPXGRNXTmDSqHcqvS7zvuEr0xF12oGLBKa7cdEsaQzdfDWsm5BlwFIPfPXUokaHEGvxPBjrXHQmx+Z4xAyhzNh+v5bFr63lsL0ysS8z4KVKc1G1lcUZnp7Oz9n0pZP9QW0Oei2KCumDqGpqVd249232a0E9TUeQ+lqAxiN4ybzBgUT5al7Yh1nIhGHxPyRnihtHmx+hxupCuhzXeaoKjWiADp+FEK/aPAzvP5ynLDQHelez/eGdF"
}