111 lines
2.4 KiB
JavaScript
111 lines
2.4 KiB
JavaScript
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// Copyright 2011 Mark Cavage, Inc. All rights reserved.
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var assert = require('assert-plus')
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var util = require('util')
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var asn1 = require('asn1')
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var logger = require('../logger')
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// var Control = require('../controls').Control
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// var Protocol = require('../protocol')
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/// --- Globals
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// var Ber = asn1.Ber
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// var BerReader = asn1.BerReader
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var BerWriter = asn1.BerWriter
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var getControl = require('../controls').getControl
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/// --- API
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/**
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* LDAPMessage structure.
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*
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* @param {Object} options stuff.
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*/
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function LDAPMessage (options) {
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assert.object(options)
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this.messageID = options.messageID || 0
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this.protocolOp = options.protocolOp || undefined
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this.controls = options.controls ? options.controls.slice(0) : []
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this.log = options.log || logger
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}
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Object.defineProperties(LDAPMessage.prototype, {
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id: {
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get: function getId () { return this.messageID },
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configurable: false
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},
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dn: {
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get: function getDN () { return this._dn || '' },
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configurable: false
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},
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type: {
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get: function getType () { return 'LDAPMessage' },
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configurable: false
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},
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json: {
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get: function () {
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var out = this._json({
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messageID: this.messageID,
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protocolOp: this.type
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})
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out.controls = this.controls
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return out
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},
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configurable: false
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}
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})
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LDAPMessage.prototype.toString = function () {
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return JSON.stringify(this.json)
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}
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LDAPMessage.prototype.parse = function (ber) {
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assert.ok(ber)
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if (this.log.trace()) { this.log.trace('parse: data=%s', util.inspect(ber.buffer)) }
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// Delegate off to the specific type to parse
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this._parse(ber, ber.length)
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// Look for controls
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if (ber.peek() === 0xa0) {
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ber.readSequence()
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var end = ber.offset + ber.length
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while (ber.offset < end) {
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var c = getControl(ber)
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if (c) { this.controls.push(c) }
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}
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}
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if (this.log.trace()) { this.log.trace('Parsing done: %j', this.json) }
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return true
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}
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LDAPMessage.prototype.toBer = function () {
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var writer = new BerWriter()
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writer.startSequence()
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writer.writeInt(this.messageID)
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writer.startSequence(this.protocolOp)
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if (this._toBer) { writer = this._toBer(writer) }
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writer.endSequence()
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if (this.controls && this.controls.length) {
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writer.startSequence(0xa0)
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this.controls.forEach(function (c) {
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c.toBer(writer)
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})
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writer.endSequence()
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}
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writer.endSequence()
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return writer.buffer
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}
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/// --- Exports
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module.exports = LDAPMessage
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