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TripSit_Suite/node_modules/ldapjs/lib/messages/abandon_request.js
2020-11-01 22:46:04 +00:00

88 lines
1.7 KiB
JavaScript

// Copyright 2011 Mark Cavage, Inc. All rights reserved.
var assert = require('assert-plus')
var util = require('util')
var LDAPMessage = require('./message')
var Protocol = require('../protocol')
/// --- API
function AbandonRequest (options) {
options = options || {}
assert.object(options)
assert.optionalNumber(options.abandonID)
options.protocolOp = Protocol.LDAP_REQ_ABANDON
LDAPMessage.call(this, options)
this.abandonID = options.abandonID || 0
}
util.inherits(AbandonRequest, LDAPMessage)
Object.defineProperties(AbandonRequest.prototype, {
type: {
get: function getType () { return 'AbandonRequest' },
configurable: false
}
})
AbandonRequest.prototype._parse = function (ber, length) {
assert.ok(ber)
assert.ok(length)
// What a PITA - have to replicate ASN.1 integer logic to work around the
// way abandon is encoded and the way ldapjs framework handles "normal"
// messages
var buf = ber.buffer
var offset = 0
var value = 0
var fb = buf[offset++]
value = fb & 0x7F
for (var i = 1; i < length; i++) {
value <<= 8
value |= (buf[offset++] & 0xff)
}
if ((fb & 0x80) === 0x80) { value = -value }
ber._offset += length
this.abandonID = value
return true
}
AbandonRequest.prototype._toBer = function (ber) {
assert.ok(ber)
var i = this.abandonID
var sz = 4
while ((((i & 0xff800000) === 0) || ((i & 0xff800000) === 0xff800000)) &&
(sz > 1)) {
sz--
i <<= 8
}
assert.ok(sz <= 4)
while (sz-- > 0) {
ber.writeByte((i & 0xff000000) >> 24)
i <<= 8
}
return ber
}
AbandonRequest.prototype._json = function (j) {
assert.ok(j)
j.abandonID = this.abandonID
return j
}
/// --- Exports
module.exports = AbandonRequest