forked from waja/action-debian-package
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
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'use strict'
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const { createContext, runInContext } = require('vm')
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module.exports = validator
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function validator (opts = {}) {
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const {
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ERR_PATHS_MUST_BE_STRINGS = () => 'fast-redact - Paths must be strings',
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ERR_INVALID_PATH = (s) => `fast-redact – Invalid path (${s})`
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} = opts
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return function validate ({ paths }) {
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paths.forEach((s) => {
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if (typeof s !== 'string') {
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throw Error(ERR_PATHS_MUST_BE_STRINGS())
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}
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try {
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if (/〇/.test(s)) throw Error()
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const proxy = new Proxy({}, { get: () => proxy, set: () => { throw Error() } })
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const expr = (s[0] === '[' ? '' : '.') + s.replace(/^\*/, '〇').replace(/\.\*/g, '.〇').replace(/\[\*\]/g, '[〇]')
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if (/\n|\r|;/.test(expr)) throw Error()
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if (/\/\*/.test(expr)) throw Error()
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runInContext(`
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(function () {
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'use strict'
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o${expr}
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if ([o${expr}].length !== 1) throw Error()
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})()
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`, createContext({ o: proxy, 〇: null }), {
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codeGeneration: { strings: false, wasm: false }
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})
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} catch (e) {
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throw Error(ERR_INVALID_PATH(s))
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}
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})
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}
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}
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