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This commit is contained in:
Isiah Meadows 2019-07-27 20:53:19 -04:00
parent 9d3ce5fa6d
commit e58e9186f8
2 changed files with 10 additions and 8 deletions
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11
querystring/parse.js
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@ -19,7 +19,6 @@ module.exports = function(string) {
for (var j = 0; j < levels.length; j++) {
var level = levels[j], nextLevel = levels[j + 1]
var isNumber = nextLevel == "" || !isNaN(parseInt(nextLevel, 10))
var isValue = j === levels.length - 1
if (level === "") {
var key = levels.slice(0, j).join()
if (counters[key] == null) {
@ -29,15 +28,15 @@ module.exports = function(string) {
}
// Disallow direct prototype pollution
else if (level === "__proto__") break
if (isValue) cursor[level] = value
if (j === levels.length - 1) cursor[level] = value
else {
// Read own properties exclusively to disallow indirect
// prototype pollution
value = Object.getOwnPropertyDescriptor(cursor, level)
if (value != null) value = value.value
if (value == null) value = cursor[level] = isNumber ? [] : {}
var desc = Object.getOwnPropertyDescriptor(cursor, level)
if (desc != null) desc = desc.value
if (desc == null) cursor[level] = desc = isNumber ? [] : {}
cursor = desc
}
cursor = value
}
}
return data