151 lines
3.7 KiB
JavaScript
151 lines
3.7 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 LDAPMessage = require('./message');
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var LDAPResult = require('./result');
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var dn = require('../dn');
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var filters = require('../filters');
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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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///--- API
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function SearchRequest(options) {
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options = options || {};
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assert.object(options);
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options.protocolOp = Protocol.LDAP_REQ_SEARCH;
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LDAPMessage.call(this, options);
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if (options.baseObject !== undefined) {
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this.baseObject = options.baseObject;
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} else {
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this.baseObject = dn.parse('');
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}
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this.scope = options.scope || 'base';
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this.derefAliases = options.derefAliases || Protocol.NEVER_DEREF_ALIASES;
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this.sizeLimit = options.sizeLimit || 0;
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this.timeLimit = options.timeLimit || 0;
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this.typesOnly = options.typesOnly || false;
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this.filter = options.filter || null;
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this.attributes = options.attributes ? options.attributes.slice(0) : [];
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}
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util.inherits(SearchRequest, LDAPMessage);
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Object.defineProperties(SearchRequest.prototype, {
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type: {
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get: function getType() { return 'SearchRequest'; },
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configurable: false
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},
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_dn: {
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get: function getDN() { return this.baseObject; },
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configurable: false
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},
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scope: {
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get: function getScope() {
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switch (this._scope) {
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case Protocol.SCOPE_BASE_OBJECT: return 'base';
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case Protocol.SCOPE_ONE_LEVEL: return 'one';
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case Protocol.SCOPE_SUBTREE: return 'sub';
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default:
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throw new Error(this._scope + ' is an invalid search scope');
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}
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},
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set: function setScope(val) {
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if (typeof (val) === 'string') {
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switch (val) {
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case 'base':
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this._scope = Protocol.SCOPE_BASE_OBJECT;
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break;
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case 'one':
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this._scope = Protocol.SCOPE_ONE_LEVEL;
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break;
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case 'sub':
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this._scope = Protocol.SCOPE_SUBTREE;
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break;
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default:
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throw new Error(val + ' is an invalid search scope');
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}
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} else {
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this._scope = val;
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}
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},
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configurable: false
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}
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});
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SearchRequest.prototype._parse = function (ber) {
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assert.ok(ber);
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this.baseObject = ber.readString();
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this.scope = ber.readEnumeration();
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this.derefAliases = ber.readEnumeration();
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this.sizeLimit = ber.readInt();
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this.timeLimit = ber.readInt();
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this.typesOnly = ber.readBoolean();
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this.filter = filters.parse(ber);
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// look for attributes
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if (ber.peek() === 0x30) {
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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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this.attributes.push(ber.readString().toLowerCase());
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}
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return true;
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};
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SearchRequest.prototype._toBer = function (ber) {
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assert.ok(ber);
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ber.writeString(this.baseObject.toString());
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ber.writeEnumeration(this._scope);
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ber.writeEnumeration(this.derefAliases);
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ber.writeInt(this.sizeLimit);
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ber.writeInt(this.timeLimit);
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ber.writeBoolean(this.typesOnly);
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var f = this.filter || new filters.PresenceFilter({attribute: 'objectclass'});
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ber = f.toBer(ber);
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ber.startSequence(Ber.Sequence | Ber.Constructor);
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if (this.attributes && this.attributes.length) {
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this.attributes.forEach(function (a) {
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ber.writeString(a);
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});
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}
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ber.endSequence();
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return ber;
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};
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SearchRequest.prototype._json = function (j) {
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assert.ok(j);
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j.baseObject = this.baseObject;
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j.scope = this.scope;
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j.derefAliases = this.derefAliases;
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j.sizeLimit = this.sizeLimit;
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j.timeLimit = this.timeLimit;
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j.typesOnly = this.typesOnly;
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j.filter = this.filter.toString();
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j.attributes = this.attributes;
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return j;
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};
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///--- Exports
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module.exports = SearchRequest;
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