119 lines
2.5 KiB
JavaScript
119 lines
2.5 KiB
JavaScript
// 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())
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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)
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this.controls.push(c);
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}
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}
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if (this.log.trace())
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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)
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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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