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Only check for direct properties from the headers object

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Faisal Salman 2025-08-26 22:29:08 +07:00
parent 3e65196b57
commit fb1ed5cf6b
2 changed files with 9 additions and 1 deletions
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4
src/main/ua-parser.js
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@ -1400,7 +1400,9 @@
// Normalize headers field name into lowercase // Normalize headers field name into lowercase
var normalized = {}; var normalized = {};
for (var header in headers) { for (var header in headers) {
normalized[String(header).toLowerCase()] = headers[header]; if (headers.hasOwnProperty(header)) {
normalized[String(header).toLowerCase()] = headers[header];
}
} }
headers = normalized; headers = normalized;
} }

6
test/unit/main.js
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@ -389,4 +389,10 @@ describe('Read user-agent data from req.headers', function () {
const { browser } = UAParser(hEaDeRs); const { browser } = UAParser(hEaDeRs);
assert.strictEqual(browser.toString(), "Midori 0.2.2"); assert.strictEqual(browser.toString(), "Midori 0.2.2");
}); });
it('Empty headers should not raise any error', function () {
const emptyHeaders = {};
const { browser } = UAParser(emptyHeaders);
assert.strictEqual(browser.toString(), "undefined");
});
}); });