test-action-debian-package/node_modules/fast-redact/lib/validator.js

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2020-03-26 14:37:35 +00:00
'use strict'
const { createContext, runInContext } = require('vm')
module.exports = validator
function validator (opts = {}) {
const {
ERR_PATHS_MUST_BE_STRINGS = () => 'fast-redact - Paths must be strings',
ERR_INVALID_PATH = (s) => `fast-redact Invalid path (${s})`
} = opts
return function validate ({ paths }) {
paths.forEach((s) => {
if (typeof s !== 'string') {
throw Error(ERR_PATHS_MUST_BE_STRINGS())
}
try {
if (//.test(s)) throw Error()
const proxy = new Proxy({}, { get: () => proxy, set: () => { throw Error() } })
const expr = (s[0] === '[' ? '' : '.') + s.replace(/^\*/, '').replace(/\.\*/g, '.').replace(/\[\*\]/g, '[]')
if (/\n|\r|;/.test(expr)) throw Error()
if (/\/\*/.test(expr)) throw Error()
runInContext(`
(function () {
'use strict'
o${expr}
if ([o${expr}].length !== 1) throw Error()
})()
`, createContext({ o: proxy, : null }), {
codeGeneration: { strings: false, wasm: false }
})
} catch (e) {
throw Error(ERR_INVALID_PATH(s))
}
})
}
}