action-debian-package/node_modules/fast-redact/lib/restorer.js

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2020-03-26 14:37:35 +00:00
'use strict'
const { groupRestore, nestedRestore } = require('./modifiers')
module.exports = restorer
function restorer ({ secret, wcLen }) {
return function compileRestore () {
if (this.restore) return
const paths = Object.keys(secret)
.filter((path) => secret[path].precensored === false)
const resetters = resetTmpl(secret, paths)
const hasWildcards = wcLen > 0
const state = hasWildcards ? { secret, groupRestore, nestedRestore } : { secret }
/* eslint-disable-next-line */
this.restore = Function(
'o',
restoreTmpl(resetters, paths, hasWildcards)
).bind(state)
}
}
/**
* Mutates the original object to be censored by restoring its original values
* prior to censoring.
*
* @param {object} secret Compiled object describing which target fields should
* be censored and the field states.
* @param {string[]} paths The list of paths to censor as provided at
* initialization time.
*
* @returns {string} String of JavaScript to be used by `Function()`. The
* string compiles to the function that does the work in the description.
*/
function resetTmpl (secret, paths) {
return paths.map((path) => {
const { circle, escPath, leadingBracket } = secret[path]
const delim = leadingBracket ? '' : '.'
const reset = circle
? `o.${circle} = secret[${escPath}].val`
: `o${delim}${path} = secret[${escPath}].val`
const clear = `secret[${escPath}].val = undefined`
return `
if (secret[${escPath}].val !== undefined) {
try { ${reset} } catch (e) {}
${clear}
}
`
}).join('')
}
function restoreTmpl (resetters, paths, hasWildcards) {
const dynamicReset = hasWildcards === true ? `
const keys = Object.keys(secret)
const len = keys.length
for (var i = ${paths.length}; i < len; i++) {
const k = keys[i]
const o = secret[k]
if (o.flat === true) this.groupRestore(o)
else this.nestedRestore(o)
secret[k] = null
}
` : ''
return `
const secret = this.secret
${resetters}
${dynamicReset}
return o
`
}