35 lines
813 B
JavaScript
35 lines
813 B
JavaScript
const regexInt = RegExp(/^[1-9]\d*$/);
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const regexXSS = RegExp(/<[^>]*script/);
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// Check if int for param validation
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const paramIntCheck = (req, res, next, input) => {
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try {
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if (regexInt.test(input)) {
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next();
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} else {
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throw new Error;
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}
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} catch (err) {
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res.status(err.code).send(JSON.stringify({
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"message": "Le paramètre doit être un entier non-nul.",
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"code": 403,
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})
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);
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}
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};
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// Check if script injection attempt
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const isXSSAttempt = (string) => {
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return regexXSS.test(string);
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};
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// Check if object is null
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const isEmptyObject = (obj) => {
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return (Object.keys(obj).length === 0 && obj.constructor === Object);
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};
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module.exports = {
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paramIntCheck,
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isXSSAttempt,
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isEmptyObject
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}; |