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manifest.json

{
  "name": "CORE Discovery",
  "version": "1.0.4",
  "description": "One-click access to free copies of research papers whenever you hit the paywall",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "*://core.ac.uk/*",
    "*://*.core.ac.uk/*",
    "*://api.unpaywall.org/*"
  ],
  "browser_action": {
    "default_popup": "./popup.html",
    "default_icon": {
      "16": "images/discovery-padlock-16.png",
      "32": "images/discovery-padlock-32.png",
      "48": "images/discovery-padlock-48.png",
      "128": "images/discovery-padlock-128.png"
    }
  },
  "icons": {
    "16": "images/discovery-padlock-16.png",
    "32": "images/discovery-padlock-32.png",
    "48": "images/discovery-padlock-48.png",
    "128": "images/discovery-padlock-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "exclude_matches": [
        "https://*.fb.com/*",
        "https://*.facebook.com/*",
        "https://*.linkedin.com/*",
        "https://*.researchgate.com/*",
        "https://*.researchgate.net/*",
        "https://*.academia.edu/*",
        "https://core.ac.uk/reader/*"
      ],
      "css": [
        "button.css"
      ],
      "js": [
        "button.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "button.css",
    "images/*"
  ]
}