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mandatoryprogrammermandatoryprogrammer
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Merge pull request #44 from mandatoryprogrammer/fix-proxyauth-errors
Fixes some issues with certificate generation causing requests to fai…
2 parents e88fd21 + f8b97a4 commit 17b0031

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‎.gitignore

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@@ -2,3 +2,5 @@ node_modules/*
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.DS_Store
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*.key
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*.crt
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*.env
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dev.sh

‎anyproxy/lib/certMgr.js

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@@ -1,6 +1,6 @@
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'use strict'
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3-
const EasyCert = require('node-easy-cert');
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const EasyCert = require('./node-easy-cert/index.js');
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const co = require('co');
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const os = require('os');
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const inquirer = require('inquirer');

‎anyproxy/lib/node-easy-cert/certGenerator.js

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'use strict'
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const forge = require('node-forge');
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const Util = require('./util');
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let defaultAttrs = [
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{ name: 'countryName', value: 'CN' },
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{ name: 'organizationName', value: 'EasyCert' },
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{ shortName: 'ST', value: 'SH' },
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{ shortName: 'OU', value: 'EasyCert SSL' }
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];
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/**
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* different domain format needs different SAN
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*
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*/
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function getExtensionSAN(domain = '') {
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const isIpDomain = Util.isIpDomain(domain);
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if (isIpDomain) {
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return {
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name: 'subjectAltName',
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altNames: [{ type: 7, ip: domain }]
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};
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} else {
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return {
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name: 'subjectAltName',
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altNames: [{ type: 2, value: domain }]
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};
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}
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}
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function getKeysAndCert(serialNumber) {
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const keys = forge.pki.rsa.generateKeyPair(2048);
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const cert = forge.pki.createCertificate();
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cert.publicKey = keys.publicKey;
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cert.serialNumber = (Math.floor(Math.random() * 100000) + '');
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console.log(`serial #${cert.serialNumber}`)
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var now = Date.now();
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// compatible with apple's updated cert policy: https://support.apple.com/en-us/HT210176
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cert.validity.notBefore = new Date(now - 24 * 60 * 60 * 1000); // 1 day before
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cert.validity.notAfter = new Date(now + 824 * 24 * 60 * 60 * 1000); // 824 days after
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return {
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keys,
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cert
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};
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}
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function generateRootCA(commonName) {
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const keysAndCert = getKeysAndCert();
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const keys = keysAndCert.keys;
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const cert = keysAndCert.cert;
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commonName = commonName || 'CertManager';
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const attrs = defaultAttrs.concat([
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{
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name: 'commonName',
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value: commonName
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}
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]);
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cert.setSubject(attrs);
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cert.setIssuer(attrs);
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cert.setExtensions([
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{ name: 'basicConstraints', cA: true },
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// { name: 'keyUsage', keyCertSign: true, digitalSignature: true, nonRepudiation: true, keyEncipherment: true, dataEncipherment: true },
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// { name: 'extKeyUsage', serverAuth: true, clientAuth: true, codeSigning: true, emailProtection: true, timeStamping: true },
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// { name: 'nsCertType', client: true, server: true, email: true, objsign: true, sslCA: true, emailCA: true, objCA: true },
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// { name: 'subjectKeyIdentifier' }
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]);
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cert.sign(keys.privateKey, forge.md.sha256.create());
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return {
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privateKey: forge.pki.privateKeyToPem(keys.privateKey),
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publicKey: forge.pki.publicKeyToPem(keys.publicKey),
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certificate: forge.pki.certificateToPem(cert)
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};
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}
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function generateCertsForHostname(domain, rootCAConfig) {
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// generate a serialNumber for domain
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const md = forge.md.md5.create();
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md.update(domain);
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const keysAndCert = getKeysAndCert(md.digest().toHex());
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const keys = keysAndCert.keys;
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const cert = keysAndCert.cert;
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const caCert = forge.pki.certificateFromPem(rootCAConfig.cert);
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const caKey = forge.pki.privateKeyFromPem(rootCAConfig.key);
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// issuer from CA
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cert.setIssuer(caCert.subject.attributes);
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const attrs = defaultAttrs.concat([
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{
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name: 'commonName',
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value: domain
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}
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]);
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const extensions = [
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{ name: 'basicConstraints', cA: false },
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getExtensionSAN(domain)
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];
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cert.setSubject(attrs);
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cert.setExtensions(extensions);
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cert.sign(caKey, forge.md.sha256.create());
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return {
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privateKey: forge.pki.privateKeyToPem(keys.privateKey),
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publicKey: forge.pki.publicKeyToPem(keys.publicKey),
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certificate: forge.pki.certificateToPem(cert)
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};
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}
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// change the default attrs
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function setDefaultAttrs(attrs) {
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defaultAttrs = attrs;
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}
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module.exports.generateRootCA = generateRootCA;
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module.exports.generateCertsForHostname = generateCertsForHostname;
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module.exports.setDefaultAttrs = setDefaultAttrs;

‎anyproxy/lib/node-easy-cert/errorConstants.js

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/**
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* Map all the error code here
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*
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*/
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'use strict';
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module.exports = {
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ROOT_CA_NOT_EXISTS: 'ROOT_CA_NOT_EXISTS', // root CA has not been generated yet
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ROOT_CA_EXISTED: 'ROOT_CA_EXISTED', // root CA was existed, be ware that it will be overwrited
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ROOT_CA_COMMON_NAME_UNSPECIFIED: 'ROOT_CA_COMMON_NAME_UNSPECIFIED' // commonName for rootCA is required
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};

‎anyproxy/lib/node-easy-cert/index.js

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'use strict'
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delete require.cache['./certGenerator'];
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const path = require('path'),
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fs = require('fs'),
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color = require('colorful'),
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certGenerator = require('./certGenerator'),
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util = require('./util'),
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Errors = require('./errorConstants'),
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https = require('https'),
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AsyncTask = require('async-task-mgr'),
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winCertUtil = require('./winCertUtil'),
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exec = require('child_process').exec;
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const DOMAIN_TO_VERIFY_HTTPS = 'localtest.me';
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function getPort() {
19+
return new Promise((resolve, reject) => {
20+
const server = require('net').createServer();
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server.unref();
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server.on('error', reject);
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server.listen(0, () => {
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const port = server.address().port;
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server.close(() => {
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resolve(port);
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});
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});
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});
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}
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function CertManager(options) {
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options = options || {};
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const rootDirName = util.getDefaultRootDirName();
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const rootDirPath = options.rootDirPath || path.join(util.getUserHome(), '/' + rootDirName + '/');
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if (options.defaultCertAttrs) {
38+
certGenerator.setDefaultAttrs(options.defaultCertAttrs);
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}
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const certDir = rootDirPath,
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rootCAcrtFilePath = path.join(certDir, 'rootCA.crt'),
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rootCAkeyFilePath = path.join(certDir, 'rootCA.key'),
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createCertTaskMgr = new AsyncTask();
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let cacheRootCACrtFileContent,
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cacheRootCAKeyFileContent;
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let rootCAExists = false;
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if (!fs.existsSync(certDir)) {
50+
try {
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fs.mkdirSync(certDir, '0777');
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} catch (e) {
53+
console.log('===========');
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console.log('failed to create cert dir ,please create one by yourself - ' + certDir);
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console.log('===========');
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}
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}
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function getCertificate(hostname, certCallback) {
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if (!_checkRootCA()) {
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console.log(color.yellow('please generate root CA before getting certificate for sub-domains'));
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certCallback && certCallback(Errors.ROOT_CA_NOT_EXISTS);
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return;
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}
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const keyFile = path.join(certDir, '__hostname.key'.replace(/__hostname/, hostname)),
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crtFile = path.join(certDir, '__hostname.crt'.replace(/__hostname/, hostname));
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if (!cacheRootCACrtFileContent || !cacheRootCAKeyFileContent) {
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cacheRootCACrtFileContent = fs.readFileSync(rootCAcrtFilePath, { encoding: 'utf8' });
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cacheRootCAKeyFileContent = fs.readFileSync(rootCAkeyFilePath, { encoding: 'utf8' });
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}
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createCertTaskMgr.addTask(hostname, (callback) => {
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if (!fs.existsSync(keyFile) || !fs.existsSync(crtFile)) {
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try {
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const result = certGenerator.generateCertsForHostname(hostname, {
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cert: cacheRootCACrtFileContent,
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key: cacheRootCAKeyFileContent
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});
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fs.writeFileSync(keyFile, result.privateKey);
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fs.writeFileSync(crtFile, result.certificate);
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callback(null, result.privateKey, result.certificate);
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} catch (e) {
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callback(e);
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}
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} else {
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callback(null, fs.readFileSync(keyFile), fs.readFileSync(crtFile));
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}
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}, (err, keyContent, crtContent) => {
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if (!err) {
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certCallback(null, keyContent, crtContent);
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} else {
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certCallback(err);
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}
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});
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}
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function clearCerts(cb) {
99+
util.deleteFolderContentsRecursive(certDir);
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cb && cb();
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}
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function isRootCAFileExists() {
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return (fs.existsSync(rootCAcrtFilePath) && fs.existsSync(rootCAkeyFilePath));
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}
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function generateRootCA(config, certCallback) {
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if (!config || !config.commonName) {
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console.error(color.red('The "config.commonName" for rootCA is required, please specify.'));
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certCallback(Errors.ROOT_CA_COMMON_NAME_UNSPECIFIED);
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return;
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}
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if (isRootCAFileExists()) {
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if (config.overwrite) {
116+
startGenerating(config.commonName, certCallback);
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} else {
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console.error(color.red('The rootCA exists already, if you want to overwrite it, please specify the "config.overwrite=true"'));
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certCallback(Errors.ROOT_CA_EXISTED);
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}
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} else {
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startGenerating(config.commonName, certCallback);
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}
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function startGenerating(commonName, cb) {
126+
// clear old certs
127+
clearCerts(() => {
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console.log(color.green('temp certs cleared'));
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try {
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const result = certGenerator.generateRootCA(commonName);
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fs.writeFileSync(rootCAkeyFilePath, result.privateKey);
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fs.writeFileSync(rootCAcrtFilePath, result.certificate);
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console.log(color.green('rootCA generated'));
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console.log(color.green(color.bold('PLEASE TRUST the rootCA.crt in ' + certDir)));
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cb && cb(null, rootCAkeyFilePath, rootCAcrtFilePath);
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} catch (e) {
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console.log(color.red(e));
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console.log(color.red(e.stack));
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console.log(color.red('fail to generate root CA'));
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cb && cb(e);
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}
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});
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}
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}
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function getRootCAFilePath() {
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return isRootCAFileExists() ? rootCAcrtFilePath : '';
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}
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function getRootDirPath() {
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return rootDirPath;
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}
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function _checkRootCA() {
157+
if (rootCAExists) {
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return true;
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}
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if (!isRootCAFileExists()) {
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console.log(color.red('can not find rootCA.crt or rootCA.key'));
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console.log(color.red('you may generate one'));
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return false;
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} else {
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rootCAExists = true;
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return true;
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}
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}
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function ifRootCATrusted(callback) {
172+
if (!isRootCAFileExists()) {
173+
callback && callback(new Error('ROOTCA_NOT_EXIST'));
174+
} else if (/^win/.test(process.platform)) {
175+
winCertUtil.ifWinRootCATrusted()
176+
.then((ifTrusted) => {
177+
callback && callback(null, ifTrusted)
178+
})
179+
.catch((e) => {
180+
callback && callback(null, false);
181+
})
182+
} else {
183+
const HTTPS_RESPONSE = 'HTTPS Server is ON';
184+
// localtest.me --> 127.0.0.1
185+
getCertificate(DOMAIN_TO_VERIFY_HTTPS, (e, key, cert) => {
186+
getPort()
187+
.then(port => {
188+
if (e) {
189+
callback && callback(e);
190+
return;
191+
}
192+
const server = https
193+
.createServer(
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{
195+
ca: fs.readFileSync(rootCAcrtFilePath),
196+
key,
197+
cert
198+
},
199+
(req, res) => {
200+
res.end(HTTPS_RESPONSE);
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}
202+
)
203+
.listen(port);
204+
205+
// do not use node.http to test the cert. Ref: https://github.com/nodejs/node/issues/4175
206+
const testCmd = `curl https://${DOMAIN_TO_VERIFY_HTTPS}:${port}`;
207+
exec(testCmd, { timeout: 1000 }, (error, stdout, stderr) => {
208+
server.close();
209+
if (error) {
210+
callback && callback(null, false);
211+
}
212+
if (stdout && stdout.indexOf(HTTPS_RESPONSE) >= 0) {
213+
callback && callback(null, true);
214+
} else {
215+
callback && callback(null, false);
216+
}
217+
});
218+
})
219+
.catch(callback);
220+
});
221+
}
222+
}
223+
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return {
225+
getRootCAFilePath,
226+
generateRootCA,
227+
getCertificate,
228+
clearCerts,
229+
isRootCAFileExists,
230+
ifRootCATrusted,
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getRootDirPath,
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};
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}
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module.exports = CertManager;

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