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Add stricter testing for the isLegalPort method in internal/net. This ensures that odd inputs such as isLegalPort(true) and isLegalPort([1]) aren't acceptable as valid port inputs. PR-URL: https://github.com/nodejs/node/pull/5733 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
13 lines
419 B
JavaScript
13 lines
419 B
JavaScript
'use strict';
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module.exports = { isLegalPort };
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// Check that the port number is not NaN when coerced to a number,
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// is an integer and that it falls within the legal range of port numbers.
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function isLegalPort(port) {
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if ((typeof port !== 'number' && typeof port !== 'string') ||
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(typeof port === 'string' && port.trim().length === 0))
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return false;
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return +port === (+port >>> 0) && port <= 0xFFFF;
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}
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