node-ldapjs/lib/controls/persistent_search_control.js

86 lines
1.9 KiB
JavaScript

// Copyright 2011 Mark Cavage, Inc. All rights reserved.
var assert = require('assert-plus');
var util = require('util');
var asn1 = require('asn1');
var Control = require('./control');
///--- Globals
var BerReader = asn1.BerReader;
var BerWriter = asn1.BerWriter;
///--- API
function PersistentSearchControl(options) {
assert.optionalObject(options);
options = options || {};
options.type = PersistentSearchControl.OID;
if (options.value) {
if (Buffer.isBuffer(options.value)) {
this.parse(options.value);
} else if (typeof (options.value) === 'object') {
this._value = options.value;
} else {
throw new TypeError('options.value must be a Buffer or Object');
}
options.value = null;
}
Control.call(this, options);
}
util.inherits(PersistentSearchControl, Control);
Object.defineProperties(PersistentSearchControl.prototype, {
value: {
get: function () { return this._value || {}; },
configurable: false
}
});
PersistentSearchControl.prototype.parse = function parse(buffer) {
assert.ok(buffer);
var ber = new BerReader(buffer);
if (ber.readSequence()) {
this._value = {
changeTypes: ber.readInt(),
changesOnly: ber.readBoolean(),
returnECs: ber.readBoolean()
};
return true;
}
return false;
};
PersistentSearchControl.prototype._toBer = function (ber) {
assert.ok(ber);
if (!this._value)
return;
var writer = new BerWriter();
writer.startSequence();
writer.writeInt(this.value.changeTypes);
writer.writeBoolean(this.value.changesOnly);
writer.writeBoolean(this.value.returnECs);
writer.endSequence();
ber.writeBuffer(writer.buffer, 0x04);
};
PersistentSearchControl.prototype._json = function (obj) {
obj.controlValue = this.value;
return obj;
};
PersistentSearchControl.OID = '2.16.840.1.113730.3.4.3';
///--- Exports
module.exports = PersistentSearchControl;