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Browser Fingerprint\n\n[![test](https://github.com/actionhero/browser_fingerprint/actions/workflows/test.yml/badge.svg)](https://github.com/actionhero/browser_fingerprint/actions/workflows/test.yml)\n\n[![NPM](https://nodei.co/npm/browser_fingerprint.png)](https://nodei.co/npm/browser_fingerprint/)\n\n**Note: This package requires node v8, as it makes uses of native classes.**\n\nThis module attempts to uniquely identify browsers by examining their header and connection information. This information can be used as a \"poor-man's\" session identifier in your node projects. This module can optionally set a cookie to 'lock' in a consistent fingerprint.\n\nResuming sessions require that either the cookie be returned to the server, or a x-header `x-__browserFingerprint` in the default case, be sent on subsequent requests\n\n```javascript\nconst http = require(\"http\");\nconst port = 8080;\n\nconst { BrowserFingerprint } = require(\"browser_fingerprint\");\n\n// these are the default options\nconst options = {\n  cookieKey: \"__browser_fingerprint\",\n  toSetCookie: true,\n  onlyStaticElements: true,\n  settings: {\n    path: \"/\",\n    expires: 3600000,\n    httpOnly: null,\n  },\n};\n\nconst fingerPrinter = new BrowserFingerprint(options);\n\nhttp\n  .createServer((req, res) =\u003e {\n    let { fingerprint, elementsHash, headersHash } = fingerPrinter.fingerprint(\n      req\n    );\n    headersHash[\"Content-Type\"] = \"text/plain\"; // append any other headers you want\n    res.writeHead(200, headersHash);\n\n    let resp = `Your Browser Fingerprint: ${fingerprint} \\r\\n\\r\\n`;\n    for (let i in elementsHash) {\n      resp += `Element ${i}: ${elementsHash[i]}\\r\\n`;\n    }\n\n    res.end(resp);\n    console.log(\n      \"request from \" +\n        req.connection.remoteAddress +\n        \", fingerprint -\u003e \" +\n        fingerprint\n    );\n  })\n  .listen(port);\n\nconsole.log(`server running at http://127.0.0.1:${port}`);\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Factionhero%2Fbrowser_fingerprint","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Factionhero%2Fbrowser_fingerprint","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Factionhero%2Fbrowser_fingerprint/lists"}