6a30cd9955
* Introduce disablePrototypePoisoningProtection option * Updated test * Updated docs * Fix bundler test
95 lines
2.8 KiB
JavaScript
95 lines
2.8 KiB
JavaScript
/*
|
|
* Licensed to Elasticsearch B.V. under one or more contributor
|
|
* license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright
|
|
* ownership. Elasticsearch B.V. licenses this file to you under
|
|
* the Apache License, Version 2.0 (the "License"); you may
|
|
* not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
'use strict'
|
|
|
|
const { stringify } = require('querystring')
|
|
const debug = require('debug')('elasticsearch')
|
|
const sjson = require('secure-json-parse')
|
|
const { SerializationError, DeserializationError } = require('./errors')
|
|
const kJsonOptions = Symbol('secure json parse options')
|
|
|
|
class Serializer {
|
|
constructor (opts = {}) {
|
|
const disable = opts.disablePrototypePoisoningProtection
|
|
this[kJsonOptions] = {
|
|
protoAction: disable === true || disable === 'proto' ? 'ignore' : 'error',
|
|
constructorAction: disable === true || disable === 'constructor' ? 'ignore' : 'error'
|
|
}
|
|
}
|
|
|
|
serialize (object) {
|
|
debug('Serializing', object)
|
|
let json
|
|
try {
|
|
json = JSON.stringify(object)
|
|
} catch (err) {
|
|
throw new SerializationError(err.message, object)
|
|
}
|
|
return json
|
|
}
|
|
|
|
deserialize (json) {
|
|
debug('Deserializing', json)
|
|
let object
|
|
try {
|
|
object = sjson.parse(json, this[kJsonOptions])
|
|
} catch (err) {
|
|
throw new DeserializationError(err.message, json)
|
|
}
|
|
return object
|
|
}
|
|
|
|
ndserialize (array) {
|
|
debug('ndserialize', array)
|
|
if (Array.isArray(array) === false) {
|
|
throw new SerializationError('The argument provided is not an array')
|
|
}
|
|
let ndjson = ''
|
|
for (let i = 0, len = array.length; i < len; i++) {
|
|
if (typeof array[i] === 'string') {
|
|
ndjson += array[i] + '\n'
|
|
} else {
|
|
ndjson += this.serialize(array[i]) + '\n'
|
|
}
|
|
}
|
|
return ndjson
|
|
}
|
|
|
|
qserialize (object) {
|
|
debug('qserialize', object)
|
|
if (object == null) return ''
|
|
if (typeof object === 'string') return object
|
|
// arrays should be serialized as comma separated list
|
|
const keys = Object.keys(object)
|
|
for (let i = 0, len = keys.length; i < len; i++) {
|
|
const key = keys[i]
|
|
// elasticsearch will complain for keys without a value
|
|
if (object[key] === undefined) {
|
|
delete object[key]
|
|
} else if (Array.isArray(object[key]) === true) {
|
|
object[key] = object[key].join(',')
|
|
}
|
|
}
|
|
return stringify(object)
|
|
}
|
|
}
|
|
|
|
module.exports = Serializer
|