531 lines
28 KiB
JavaScript
531 lines
28 KiB
JavaScript
/*
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Copyright 2020-2021 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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@description Intel AMT WSMAN communication module for NodeJS
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@author Ylian Saint-Hilaire
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@version v0.3.0
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*/
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/*jslint node: true */
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/*jshint node: true */
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/*jshint strict:false */
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/*jshint -W097 */
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/*jshint esversion: 6 */
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"use strict";
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// Construct a WSMAN stack communication object
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var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, mpsConnection) {
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//console.log('CreateWsmanComm', host, port, user, pass, tls, tlsoptions);
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var obj = {};
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obj.PendingAjax = []; // List of pending AJAX calls. When one frees up, another will start.
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obj.ActiveAjaxCount = 0; // Number of currently active AJAX calls
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obj.MaxActiveAjaxCount = 1; // Maximum number of activate AJAX calls at the same time.
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obj.FailAllError = 0; // Set this to non-zero to fail all AJAX calls with that error status, 999 causes responses to be silent.
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obj.challengeParams = null;
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obj.noncecounter = 1;
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obj.authcounter = 0;
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obj.net = require('net');
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obj.tls = require('tls');
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obj.crypto = require('crypto');
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obj.constants = require('constants');
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obj.socket = null;
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obj.socketState = 0;
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obj.kerberosDone = 0;
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obj.amtVersion = null;
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obj.Address = '/wsman';
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obj.cnonce = obj.crypto.randomBytes(16).toString('hex'); // Generate a random client nonce
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obj.host = host;
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obj.port = port;
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obj.user = user;
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obj.pass = pass;
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obj.xtls = tls;
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obj.xtlsoptions = tlsoptions;
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obj.mpsConnection = mpsConnection; // Link to a MPS connection, this can be CIRA, Relay or LMS. If null, local sockets are used as transport.
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obj.xtlsFingerprint;
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obj.xtlsCertificate = null;
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obj.xtlsCheck = 0; // 0 = No TLS, 1 = CA Checked, 2 = Pinned, 3 = Untrusted
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obj.xtlsSkipHostCheck = 0;
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obj.xtlsMethod = 0;
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obj.xtlsDataReceived = false;
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obj.digestRealmMatch = null;
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obj.digestRealm = null;
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// Private method
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obj.Debug = function (msg) { console.log(msg); }
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// Used to add TLS to a steam
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function SerialTunnel(options) {
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var obj = new require('stream').Duplex(options);
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obj.forwardwrite = null;
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obj.updateBuffer = function (chunk) { try { this.push(chunk); } catch (ex) { } };
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obj._write = function (chunk, encoding, callback) { if (obj.forwardwrite != null) { obj.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); }; // Pass data written to forward
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obj._read = function (size) { }; // Push nothing, anything to read should be pushed from updateBuffer()
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return obj;
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}
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// Private method
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// pri = priority, if set to 1, the call is high priority and put on top of the stack.
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obj.PerformAjax = function (postdata, callback, tag, pri, url, action) {
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if ((obj.ActiveAjaxCount == 0 || ((obj.ActiveAjaxCount < obj.MaxActiveAjaxCount) && (obj.challengeParams != null))) && obj.PendingAjax.length == 0) {
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// There are no pending AJAX calls, perform the call now.
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obj.PerformAjaxEx(postdata, callback, tag, url, action);
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} else {
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// If this is a high priority call, put this call in front of the array, otherwise put it in the back.
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if (pri == 1) { obj.PendingAjax.unshift([postdata, callback, tag, url, action]); } else { obj.PendingAjax.push([postdata, callback, tag, url, action]); }
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}
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}
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// Private method
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obj.PerformNextAjax = function () {
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if (obj.ActiveAjaxCount >= obj.MaxActiveAjaxCount || obj.PendingAjax.length == 0) return;
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var x = obj.PendingAjax.shift();
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obj.PerformAjaxEx(x[0], x[1], x[2], x[3], x[4]);
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obj.PerformNextAjax();
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}
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// Private method
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obj.PerformAjaxEx = function (postdata, callback, tag, url, action) {
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if (obj.FailAllError != 0) { obj.gotNextMessagesError({ status: obj.FailAllError }, 'error', null, [postdata, callback, tag, url, action]); return; }
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if (!postdata) postdata = '';
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//obj.Debug('SEND: ' + postdata); // DEBUG
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obj.ActiveAjaxCount++;
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return obj.PerformAjaxExNodeJS(postdata, callback, tag, url, action);
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}
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// NODE.js specific private method
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obj.pendingAjaxCall = [];
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// NODE.js specific private method
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obj.PerformAjaxExNodeJS = function (postdata, callback, tag, url, action) { obj.PerformAjaxExNodeJS2(postdata, callback, tag, url, action, 5); }
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// NODE.js specific private method
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obj.PerformAjaxExNodeJS2 = function (postdata, callback, tag, url, action, retry) {
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if ((retry <= 0) || (obj.FailAllError != 0)) {
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// Too many retry, fail here.
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obj.ActiveAjaxCount--;
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if (obj.FailAllError != 999) obj.gotNextMessages(null, 'error', { status: ((obj.FailAllError == 0) ? 408 : obj.FailAllError) }, [postdata, callback, tag, url, action]); // 408 is timeout error
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obj.PerformNextAjax();
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return;
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}
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obj.pendingAjaxCall.push([postdata, callback, tag, url, action, retry]);
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if (obj.socketState == 0) { obj.xxConnectHttpSocket(); }
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else if (obj.socketState == 2) { obj.sendRequest(postdata, url, action); }
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}
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// NODE.js specific private method
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obj.sendRequest = function (postdata, url, action) {
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url = url ? url : '/wsman';
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action = action ? action : 'POST';
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var h = action + ' ' + url + ' HTTP/1.1\r\n';
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if (obj.challengeParams != null) {
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obj.digestRealm = obj.challengeParams['realm'];
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if (obj.digestRealmMatch && (obj.digestRealm != obj.digestRealmMatch)) {
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obj.FailAllError = 997; // Cause all new responses to be silent. 997 = Digest Realm check error
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obj.CancelAllQueries(997);
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return;
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}
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}
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if ((obj.user == '*') && (kerberos != null)) {
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// Kerberos Auth
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if (obj.kerberosDone == 0) {
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var ticketName = 'HTTP' + ((obj.tls == 1) ? 'S' : '') + '/' + ((obj.pass == '') ? (obj.host + ':' + obj.port) : obj.pass);
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// Ask for the new Kerberos ticket
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//console.log('kerberos.getTicket', ticketName);
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var ticketReturn = kerberos.getTicket(ticketName);
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if (ticketReturn.returnCode == 0 || ticketReturn.returnCode == 0x90312) {
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h += 'Authorization: Negotiate ' + ticketReturn.ticket + '\r\n';
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if (process.platform.indexOf('win') >= 0) {
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// Clear kerberos tickets on both 32 and 64bit Windows platforms
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try { require('child_process').exec('%windir%\\system32\\klist purge', function (error, stdout, stderr) { if (error) { require('child_process').exec('%windir%\\sysnative\\klist purge', function (error, stdout, stderr) { if (error) { console.error('Unable to purge kerberos tickets'); } }); } }); } catch (e) { console.log(e); }
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}
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} else {
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console.log('Unexpected Kerberos error code: ' + ticketReturn.returnCode);
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}
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obj.kerberosDone = 1;
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}
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} else if (obj.challengeParams != null) {
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var response = hex_md5(hex_md5(obj.user + ':' + obj.challengeParams['realm'] + ':' + obj.pass) + ':' + obj.challengeParams['nonce'] + ':' + nonceHex(obj.noncecounter) + ':' + obj.cnonce + ':' + obj.challengeParams['qop'] + ':' + hex_md5(action + ':' + url + ((obj.challengeParams['qop'] == 'auth-int') ? (':' + hex_md5(postdata)) : '')));
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h += 'Authorization: ' + obj.renderDigest({ 'username': obj.user, 'realm': obj.challengeParams['realm'], 'nonce': obj.challengeParams['nonce'], 'uri': url, 'qop': obj.challengeParams['qop'], 'response': response, 'nc': nonceHex(obj.noncecounter++), 'cnonce': obj.cnonce }) + '\r\n';
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}
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h += 'Host: ' + obj.host + ':' + obj.port + '\r\nContent-Length: ' + postdata.length + '\r\n\r\n' + postdata; // Use Content-Length
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//h += 'Host: ' + obj.host + ':' + obj.port + '\r\nTransfer-Encoding: chunked\r\n\r\n' + postdata.length.toString(16).toUpperCase() + '\r\n' + postdata + '\r\n0\r\n\r\n'; // Use Chunked-Encoding
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obj.xxSend(h);
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//console.log('SEND: ' + h); // Display send packet
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}
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// NODE.js specific private method
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obj.parseDigest = function (header) {
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var t = header.substring(7).split(',');
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for (var i in t) t[i] = t[i].trim();
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return t.reduce(function (obj, s) { var parts = s.split('='); obj[parts[0]] = parts[1].replace(new RegExp('\"', 'g'), ''); return obj; }, {})
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}
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function nonceHex(v) { var s = ('00000000' + v.toString(16)); return s.substring(s.length - 8); }
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// NODE.js specific private method
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obj.renderDigest = function (params) {
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var paramsnames = [];
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for (var i in params) { paramsnames.push(i); }
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return 'Digest ' + paramsnames.reduce(function (s1, ii) { return s1 + ',' + (((ii == 'nc') || (ii == 'qop')) ? (ii + '=' + params[ii]) : (ii + '="' + params[ii] + '"')); }, '').substring(1);
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}
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// NODE.js specific private method
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obj.xxConnectHttpSocket = function () {
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//obj.Debug("xxConnectHttpSocket");
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obj.socketParseState = 0;
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obj.socketAccumulator = '';
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obj.socketHeader = null;
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obj.socketData = '';
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obj.socketState = 1;
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obj.kerberosDone = 0;
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if (obj.mpsConnection != null) {
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if (obj.xtls != 1) {
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// Setup a new channel using the CIRA/Relay/LMS connection
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obj.socket = obj.mpsConnection.SetupChannel(obj.port);
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if (obj.socket == null) { obj.xxOnSocketClosed(); return; }
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// Connect without TLS
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obj.socket.onData = function (ccon, data) { obj.xxOnSocketData(data); }
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obj.socket.onStateChange = function (ccon, state) {
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if (state == 0) {
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// Channel closed
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obj.socketParseState = 0;
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obj.socketAccumulator = '';
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obj.socketHeader = null;
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obj.socketData = '';
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obj.socketState = 0;
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obj.xxOnSocketClosed();
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} else if (state == 2) {
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// Channel open success
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obj.xxOnSocketConnected();
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}
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}
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} else {
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// Setup a new channel using the CIRA/Relay/LMS connection
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obj.cirasocket = obj.mpsConnection.SetupChannel(obj.port);
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if (obj.cirasocket == null) { obj.xxOnSocketClosed(); return; }
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// Connect with TLS
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var ser = new SerialTunnel();
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// let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl)
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// Anything that needs to be forwarded by SerialTunnel will be encapsulated by chnl write
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ser.forwardwrite = function (msg) { try { obj.cirasocket.write(msg); } catch (ex) { } }; // TLS ---> CIRA
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// When APF tunnel return something, update SerialTunnel buffer
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obj.cirasocket.onData = function (ciraconn, data) { if (data.length > 0) { try { ser.updateBuffer(Buffer.from(data, 'binary')); } catch (e) { } } }; // CIRA ---> TLS
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// Handle CIRA tunnel state change
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obj.cirasocket.onStateChange = function (ciraconn, state) {
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if (state == 0) { obj.xxOnSocketClosed(); }
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if (state == 2) {
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// TLSSocket to encapsulate TLS communication, which then tunneled via SerialTunnel an then wrapped through CIRA APF
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var options = { socket: ser, ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: obj.constants.SSL_OP_NO_SSLv2 | obj.constants.SSL_OP_NO_SSLv3 | obj.constants.SSL_OP_NO_COMPRESSION | obj.constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
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if (obj.xtlsMethod == 1) { options.secureProtocol = 'TLSv1_method'; }
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if (obj.xtlsoptions) {
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if (obj.xtlsoptions.ca) { options.ca = obj.xtlsoptions.ca; }
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if (obj.xtlsoptions.cert) { options.cert = obj.xtlsoptions.cert; }
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if (obj.xtlsoptions.key) { options.key = obj.xtlsoptions.key; }
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}
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obj.socket = obj.tls.connect(obj.port, obj.host, options, obj.xxOnSocketConnected);
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obj.socket.setEncoding('binary');
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obj.socket.setTimeout(60000); // Set socket idle timeout
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obj.socket.on('error', function (ex) { obj.xtlsMethod = 1 - obj.xtlsMethod; });
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obj.socket.on('close', obj.xxOnSocketClosed);
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obj.socket.on('timeout', obj.destroy);
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// Decrypted tunnel from TLS communcation to be forwarded to websocket
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obj.socket.on('data', function (data) { try { obj.xxOnSocketData(data.toString('binary')); } catch (e) { } }); // AMT/TLS ---> WS
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// If TLS is on, forward it through TLSSocket
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obj.forwardclient = obj.socket;
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obj.forwardclient.xtls = 1;
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}
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};
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}
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} else {
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// Direct connection
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if (obj.xtls != 1) {
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// Direct connect without TLS
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obj.socket = new obj.net.Socket();
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obj.socket.setEncoding('binary');
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obj.socket.setTimeout(60000); // Set socket idle timeout
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obj.socket.on('data', obj.xxOnSocketData);
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obj.socket.on('close', obj.xxOnSocketClosed);
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obj.socket.on('timeout', obj.destroy);
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obj.socket.on('error', obj.xxOnSocketClosed);
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obj.socket.connect(obj.port, obj.host, obj.xxOnSocketConnected);
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} else {
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// Direct connect with TLS
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var options = { ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: obj.constants.SSL_OP_NO_SSLv2 | obj.constants.SSL_OP_NO_SSLv3 | obj.constants.SSL_OP_NO_COMPRESSION | obj.constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
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if (obj.xtlsMethod != 0) { options.secureProtocol = 'TLSv1_method'; }
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if (obj.xtlsoptions) {
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if (obj.xtlsoptions.ca) { options.ca = obj.xtlsoptions.ca; }
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if (obj.xtlsoptions.cert) { options.cert = obj.xtlsoptions.cert; }
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if (obj.xtlsoptions.key) { options.key = obj.xtlsoptions.key; }
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}
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obj.socket = obj.tls.connect(obj.port, obj.host, options, obj.xxOnSocketConnected);
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obj.socket.setEncoding('binary');
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obj.socket.setTimeout(60000); // Set socket idle timeout
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obj.socket.on('data', obj.xxOnSocketData);
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obj.socket.on('close', obj.xxOnSocketClosed);
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obj.socket.on('timeout', obj.destroy);
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obj.socket.on('error', function (ex) { if (ex.message && ex.message.indexOf('sslv3 alert bad record mac') >= 0) { obj.xtlsMethod = 1 - obj.xtlsMethod; } });
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}
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obj.socket.setNoDelay(true); // Disable nagle. We will encode each WSMAN request as a single send block and want to send it at once. This may help Intel AMT handle pipelining?
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}
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}
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// Get the certificate of Intel AMT
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obj.getPeerCertificate = function () { if (obj.xtls == 1) { return obj.socket.getPeerCertificate(); } return null; }
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obj.getPeerCertificateFingerprint = function () { if (obj.xtls == 1) { return obj.socket.getPeerCertificate().fingerprint.split(':').join('').toLowerCase(); } return null; }
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// Check if the certificate matched the certificate hash.
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function checkCertHash(cert, hash) {
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// Check not required
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if (hash == 0) return true;
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// SHA1 compare
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if (cert.fingerprint.split(':').join('').toLowerCase() == hash) return true;
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// SHA256 compare
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if ((hash.length == 64) && (obj.crypto.createHash('sha256').update(cert.raw).digest('hex') == hash)) { return true; }
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// SHA384 compare
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if ((hash.length == 96) && (obj.crypto.createHash('sha384').update(cert.raw).digest('hex') == hash)) { return true; }
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return false;
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}
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// NODE.js specific private method
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obj.xxOnSocketConnected = function () {
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if (obj.socket == null) return;
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// check TLS certificate for webrelay and direct only
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if (obj.xtls == 1) {
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obj.xtlsCertificate = obj.socket.getPeerCertificate();
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// Setup the forge certificate check
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var camatch = 0;
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if ((obj.xtlsoptions != null) && (obj.xtlsoptions.ca != null)) {
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var forgeCert = forge.pki.certificateFromAsn1(forge.asn1.fromDer(atob(obj.xtlsCertificate.raw.toString('base64'))));
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var caStore = forge.pki.createCaStore(obj.xtlsoptions.ca);
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// Got thru all certificates in the store and look for a match.
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for (var i in caStore.certs) {
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if (camatch == 0) {
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var c = caStore.certs[i], verified = false;
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try { verified = c.verify(forgeCert); } catch (e) { }
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if (verified == true) { camatch = c; }
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}
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}
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// We found a match, check that the CommonName matches the hostname
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if ((obj.xtlsSkipHostCheck == 0) && (camatch != 0)) {
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amtcertname = forgeCert.subject.getField('CN').value;
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if (amtcertname.toLowerCase() != obj.host.toLowerCase()) { camatch = 0; }
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}
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}
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if ((camatch == 0) && (checkCertHash(obj.xtlsCertificate, obj.xtlsFingerprint) == false)) {
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obj.FailAllError = 998; // Cause all new responses to be silent. 998 = TLS Certificate check error
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obj.CancelAllQueries(998);
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return;
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}
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if ((obj.xtlsFingerprint == 0) && (camatch == 0)) { obj.xtlsCheck = 3; } else { obj.xtlsCheck = (camatch == 0) ? 2 : 1; }
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} else { obj.xtlsCheck = 0; }
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obj.socketState = 2;
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obj.socketParseState = 0;
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for (i in obj.pendingAjaxCall) { obj.sendRequest(obj.pendingAjaxCall[i][0], obj.pendingAjaxCall[i][3], obj.pendingAjaxCall[i][4]); }
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}
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// NODE.js specific private method
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obj.xxOnSocketData = function (data) {
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//console.log('RECV: ' + data);
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obj.xtlsDataReceived = true;
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if (typeof data === 'object') {
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// This is an ArrayBuffer, convert it to a string array (used in IE)
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var binary = "", bytes = new Uint8Array(data), length = bytes.byteLength;
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for (var i = 0; i < length; i++) { binary += String.fromCharCode(bytes[i]); }
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data = binary;
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}
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else if (typeof data !== 'string') return;
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obj.socketAccumulator += data;
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while (true) {
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//console.log('ACC(' + obj.socketAccumulator + '): ' + obj.socketAccumulator);
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if (obj.socketParseState == 0) {
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var headersize = obj.socketAccumulator.indexOf('\r\n\r\n');
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if (headersize < 0) return;
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//obj.Debug("Header: "+obj.socketAccumulator.substring(0, headersize)); // Display received HTTP header
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obj.socketHeader = obj.socketAccumulator.substring(0, headersize).split('\r\n');
|
|
if (obj.amtVersion == null) { for (var i in obj.socketHeader) { if (obj.socketHeader[i].indexOf('Server: Intel(R) Active Management Technology ') == 0) { obj.amtVersion = obj.socketHeader[i].substring(46); } } }
|
|
obj.socketAccumulator = obj.socketAccumulator.substring(headersize + 4);
|
|
obj.socketParseState = 1;
|
|
obj.socketData = '';
|
|
obj.socketXHeader = { Directive: obj.socketHeader[0].split(' ') };
|
|
for (i in obj.socketHeader) {
|
|
if (i != 0) {
|
|
var x2 = obj.socketHeader[i].indexOf(':');
|
|
obj.socketXHeader[obj.socketHeader[i].substring(0, x2).toLowerCase()] = obj.socketHeader[i].substring(x2 + 2);
|
|
}
|
|
}
|
|
}
|
|
if (obj.socketParseState == 1) {
|
|
var csize = -1;
|
|
if ((obj.socketXHeader['connection'] != undefined) && (obj.socketXHeader['connection'].toLowerCase() == 'close') && ((obj.socketXHeader["transfer-encoding"] == undefined) || (obj.socketXHeader["transfer-encoding"].toLowerCase() != 'chunked'))) {
|
|
// The body ends with a close, in this case, we will only process the header
|
|
csize = 0;
|
|
} else if (obj.socketXHeader['content-length'] != undefined) {
|
|
// The body length is specified by the content-length
|
|
csize = parseInt(obj.socketXHeader['content-length']);
|
|
if (obj.socketAccumulator.length < csize) return;
|
|
var data = obj.socketAccumulator.substring(0, csize);
|
|
obj.socketAccumulator = obj.socketAccumulator.substring(csize);
|
|
obj.socketData = data;
|
|
csize = 0;
|
|
} else {
|
|
// The body is chunked
|
|
var clen = obj.socketAccumulator.indexOf('\r\n');
|
|
if (clen < 0) return; // Chunk length not found, exit now and get more data.
|
|
// Chunk length if found, lets see if we can get the data.
|
|
csize = parseInt(obj.socketAccumulator.substring(0, clen), 16);
|
|
if (obj.socketAccumulator.length < clen + 2 + csize + 2) return;
|
|
// We got a chunk with all of the data, handle the chunck now.
|
|
var data = obj.socketAccumulator.substring(clen + 2, clen + 2 + csize);
|
|
obj.socketAccumulator = obj.socketAccumulator.substring(clen + 2 + csize + 2);
|
|
try { obj.socketData += data; } catch (ex) { console.log(ex, typeof data, data.length); }
|
|
}
|
|
if (csize == 0) {
|
|
//obj.Debug("xxOnSocketData DONE: (" + obj.socketData.length + "): " + obj.socketData);
|
|
obj.xxProcessHttpResponse(obj.socketXHeader, obj.socketData);
|
|
obj.socketParseState = 0;
|
|
obj.socketHeader = null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// NODE.js specific private method
|
|
obj.xxProcessHttpResponse = function (header, data) {
|
|
//obj.Debug("xxProcessHttpResponse: " + header.Directive[1]);
|
|
|
|
var s = parseInt(header.Directive[1]);
|
|
if (isNaN(s)) s = 500;
|
|
if (s == 401 && ++(obj.authcounter) < 3) {
|
|
obj.challengeParams = obj.parseDigest(header['www-authenticate']); // Set the digest parameters, after this, the socket will close and we will auto-retry
|
|
if (obj.challengeParams['qop'] != null) {
|
|
var qopList = obj.challengeParams['qop'].split(',');
|
|
for (var i in qopList) { qopList[i] = qopList[i].trim(); }
|
|
if (qopList.indexOf('auth-int') >= 0) { obj.challengeParams['qop'] = 'auth-int'; } else { obj.challengeParams['qop'] = 'auth'; }
|
|
}
|
|
if (obj.mpsConnection == null) { obj.socket.end(); } else { obj.socket.close(); }
|
|
} else {
|
|
var r = obj.pendingAjaxCall.shift();
|
|
if ((r == null) || (r.length < 1)) { /*console.log("pendingAjaxCall error, " + r);*/ return; } // Get a response without any pending requests.
|
|
//if (s != 200) { obj.Debug("Error, status=" + s + "\r\n\r\nreq=" + r[0] + "\r\n\r\nresp=" + data); } // Debug: Display the request & response if something did not work.
|
|
obj.authcounter = 0;
|
|
obj.ActiveAjaxCount--;
|
|
obj.gotNextMessages(data, 'success', { status: s }, r);
|
|
obj.PerformNextAjax();
|
|
}
|
|
}
|
|
|
|
// NODE.js specific private method
|
|
obj.xxOnSocketClosed = function () {
|
|
//obj.Debug("xxOnSocketClosed");
|
|
obj.socketState = 0;
|
|
if (obj.socket != null) {
|
|
if (obj.socket.removeAllListeners) {
|
|
// Do not remove the error handler since it may still get triggered.
|
|
obj.socket.removeAllListeners('data');
|
|
obj.socket.removeAllListeners('close');
|
|
obj.socket.removeAllListeners('timeout');
|
|
}
|
|
try {
|
|
if (obj.mpsConnection == null) {
|
|
obj.socket.destroy();
|
|
} else {
|
|
if (obj.cirasocket != null) { obj.cirasocket.close(); } else { obj.socket.close(); }
|
|
}
|
|
} catch (ex) { }
|
|
obj.socket = null;
|
|
obj.cirasocket = null;
|
|
}
|
|
if (obj.pendingAjaxCall.length > 0) {
|
|
var r = obj.pendingAjaxCall.shift(), retry = r[5];
|
|
setTimeout(function () { obj.PerformAjaxExNodeJS2(r[0], r[1], r[2], r[3], r[4], --retry) }, 500); // Wait half a second and try again
|
|
}
|
|
}
|
|
|
|
obj.destroy = function () {
|
|
if (obj.socket != null) {
|
|
if (obj.socket.removeAllListeners) {
|
|
// Do not remove the error handler since it may still get triggered.
|
|
obj.socket.removeAllListeners('data');
|
|
obj.socket.removeAllListeners('close');
|
|
obj.socket.removeAllListeners('timeout');
|
|
}
|
|
try {
|
|
if (obj.mpsConnection == null) {
|
|
obj.socket.destroy();
|
|
} else {
|
|
if (obj.cirasocket != null) { obj.cirasocket.close(); } else { obj.socket.close(); }
|
|
}
|
|
} catch (ex) { }
|
|
delete obj.socket;
|
|
delete obj.cirasocket;
|
|
obj.socketState = 0;
|
|
}
|
|
}
|
|
|
|
// NODE.js specific private method
|
|
obj.xxSend = function (x) {
|
|
//console.log('xxSend', x);
|
|
if (obj.socketState == 2) { obj.socket.write(Buffer.from(x, 'binary')); }
|
|
}
|
|
|
|
// Cancel all pending queries with given status
|
|
obj.CancelAllQueries = function (s) {
|
|
obj.FailAllError = s;
|
|
while (obj.PendingAjax.length > 0) { var x = obj.PendingAjax.shift(); x[1](null, s, x[2]); }
|
|
obj.destroy();
|
|
}
|
|
|
|
// Private method
|
|
obj.gotNextMessages = function (data, status, request, callArgs) {
|
|
if (obj.FailAllError == 999) return;
|
|
if (obj.FailAllError != 0) { try { callArgs[1](null, obj.FailAllError, callArgs[2]); } catch (ex) { console.error(ex); } return; }
|
|
if (request.status != 200) { try { callArgs[1](null, request.status, callArgs[2]); } catch (ex) { console.error(ex); } return; }
|
|
try { callArgs[1](data, 200, callArgs[2]); } catch (ex) { console.error(ex); }
|
|
}
|
|
|
|
// Private method
|
|
obj.gotNextMessagesError = function (request, status, errorThrown, callArgs) {
|
|
if (obj.FailAllError == 999) return;
|
|
if (obj.FailAllError != 0) { try { callArgs[1](null, obj.FailAllError, callArgs[2]); } catch (ex) { console.error(ex); } return; }
|
|
try { callArgs[1](obj, null, { Header: { HttpError: request.status } }, request.status, callArgs[2]); } catch (ex) { console.error(ex); }
|
|
}
|
|
|
|
// MD5 digest hash
|
|
function hex_md5(str) { return obj.crypto.createHash('md5').update(str).digest('hex'); }
|
|
|
|
return obj;
|
|
}
|
|
|
|
module.exports = CreateWsmanComm; |