1
0
mirror of https://github.com/Foltik/Shimapan synced 2024-12-12 14:30:47 -05:00
shimapan/app/util/verify.js

46 lines
1.8 KiB
JavaScript

const sanitizer = require('sanitizer');
// Verifies a single property is well formed.
// expected follows the format:
// ex. {name: 'myList', type: 'array', maxLength: 10}
// ex. {name: 'myVar', type: 'string', optional: true}
const verify = async (prop, expected) => {
if (!expected.optional && !prop)
throw {code: 400, message: expected.name + ' not specified.'};
else if (!prop)
return;
if (expected.type) {
if (expected.type === 'date') {
if (isNaN(new Date(prop)))
throw {code: 400, message: `${expected.name} malformed.`};
} else if (expected.type === 'array') {
if (!(prop instanceof Array))
throw {code: 400, message: `${expected.name} malformed.`};
} else if (expected.type === 'number') {
if (isNaN(parseInt(prop)))
throw {code: 400, message: `${expected.name} malformed.`};
} else {
if (typeof prop !== expected.type)
throw {code: 400, message: `${expected.name} malformed.`};
}
}
if (expected.min && parseInt(prop) < expected.min)
throw {code: 400, message: `${expected.name} too small.`};
if (expected.max && parseInt(prop) > expected.max)
throw {code: 400, message: `${expected.name} too large.`};
if (expected.maxLength && prop.length > expected.maxLength)
throw {code: 400, message: `${expected.name} too long.`};
if (expected.sanitize && sanitizer.sanitize(prop) !== prop)
throw {code: 400, message: `${expected.name} contains invalid characters.`};
if (expected.restrict && prop.replace(expected.restrict, '') !== prop)
throw {code: 400, message: `${expected.name} contains invalid characters.`};
};
module.exports = verify;