aaa-cert/src/main/java/org/opendaylight/aaa/cert/impl/CertificateManagerService.java

   1 /*
   2  * Copyright (c) 2016, 2017 Inocybe Technologies. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.aaa.cert.impl;
   9
  10 import java.io.File;
  11 import java.io.IOException;
  12 import java.security.KeyManagementException;
  13 import java.security.KeyStore;
  14 import java.security.KeyStoreException;
  15 import java.security.NoSuchAlgorithmException;
  16 import java.security.UnrecoverableKeyException;
  17 import javax.net.ssl.KeyManagerFactory;
  18 import javax.net.ssl.SSLContext;
  19 import javax.net.ssl.TrustManagerFactory;
  20 import javax.xml.parsers.DocumentBuilder;
  21 import javax.xml.parsers.DocumentBuilderFactory;
  22 import javax.xml.parsers.ParserConfigurationException;
  23 import javax.xml.transform.Transformer;
  24 import javax.xml.transform.TransformerException;
  25 import javax.xml.transform.TransformerFactory;
  26 import javax.xml.transform.dom.DOMSource;
  27 import javax.xml.transform.stream.StreamResult;
  28 import org.apache.commons.lang3.RandomStringUtils;
  29 import org.opendaylight.aaa.cert.api.IAaaCertProvider;
  30 import org.opendaylight.aaa.cert.api.ICertificateManager;
  31 import org.opendaylight.aaa.encrypt.AAAEncryptionService;
  32 import org.opendaylight.mdsal.binding.api.DataBroker;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.AaaCertServiceConfig;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.AaaCertServiceConfigBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.aaa.cert.service.config.CtlKeystore;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.aaa.cert.service.config.CtlKeystoreBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.aaa.cert.service.config.TrustKeystore;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.yang.aaa.cert.rev151126.aaa.cert.service.config.TrustKeystoreBuilder;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41 import org.w3c.dom.Document;
  42 import org.w3c.dom.Node;
  43 import org.w3c.dom.NodeList;
  44 import org.xml.sax.SAXException;
  45
  46 /**
  47  * CertificateManagerService implements ICertificateManager and work as adapter
  48  * to which AaaCertProvider is used.
  49  *
  50  * @author mserngawy
  51  *
  52  */
  53 public class CertificateManagerService implements ICertificateManager {
  54
  55     private static final Logger LOG = LoggerFactory.getLogger(CertificateManagerService.class);
  56
  57     private static final String DEFAULT_CONFIG_FILE_PATH = "etc" + File.separator + "opendaylight" + File.separator
  58             + "datastore" + File.separator + "initial" + File.separator + "config" + File.separator
  59             + "aaa-cert-config.xml";
  60     private static final int PWD_LENGTH = 12;
  61     private final IAaaCertProvider aaaCertProvider;
  62
  63     public CertificateManagerService(AaaCertServiceConfig aaaCertServiceConfig, final DataBroker dataBroker,
  64             final AAAEncryptionService encryptionSrv) {
  65         if (aaaCertServiceConfig == null) {
  66             throw new IllegalArgumentException("Certificate Manager service configuration is null");
  67         }
  68         if (aaaCertServiceConfig.getUseConfig()) {
  69             if (aaaCertServiceConfig.getCtlKeystore() != null
  70                     && aaaCertServiceConfig.getCtlKeystore().getStorePassword() != null
  71                     && aaaCertServiceConfig.getCtlKeystore().getStorePassword().isEmpty()) {
  72                 LOG.debug("Set keystores password");
  73                 final String ctlPwd = RandomStringUtils.random(PWD_LENGTH, true, true);
  74                 final String trustPwd = RandomStringUtils.random(PWD_LENGTH, true, true);
  75                 updateCertManagerSrvConfig(ctlPwd, trustPwd);
  76                 final CtlKeystore ctlKeystore = new CtlKeystoreBuilder(aaaCertServiceConfig.getCtlKeystore())
  77                         .setStorePassword(ctlPwd).build();
  78                 final TrustKeystore trustKeystore = new TrustKeystoreBuilder(aaaCertServiceConfig.getTrustKeystore())
  79                         .setStorePassword(trustPwd).build();
  80                 aaaCertServiceConfig = new AaaCertServiceConfigBuilder(aaaCertServiceConfig).setCtlKeystore(ctlKeystore)
  81                         .setTrustKeystore(trustKeystore).build();
  82             }
  83             if (aaaCertServiceConfig.getUseMdsal()) {
  84                 aaaCertProvider = new DefaultMdsalSslData(new AaaCertMdsalProvider(dataBroker, encryptionSrv),
  85                         aaaCertServiceConfig.getBundleName(), aaaCertServiceConfig.getCtlKeystore(),
  86                         aaaCertServiceConfig.getTrustKeystore());
  87                 LOG.debug("Using default mdsal SslData as aaaCertProvider");
  88             } else {
  89                 aaaCertProvider = new AaaCertProvider(aaaCertServiceConfig.getCtlKeystore(),
  90                         aaaCertServiceConfig.getTrustKeystore());
  91                 LOG.debug("Using default keystore files as aaaCertProvider");
  92             }
  93             aaaCertProvider.createKeyStores();
  94             LOG.info("Certificate Manager service has been initialized");
  95         } else {
  96             aaaCertProvider = null;
  97             LOG.info(
  98                     "Certificate Manager service has not been initialized,"
  99                     + " change the initial aaa-cert-config data and restart Opendaylight");
 100         }
 101     }
 102
 103     @Override
 104     public KeyStore getODLKeyStore() {
 105         return aaaCertProvider.getODLKeyStore();
 106     }
 107
 108     @Override
 109     public KeyStore getTrustKeyStore() {
 110         return aaaCertProvider.getTrustKeyStore();
 111     }
 112
 113     @Override
 114     public String[] getCipherSuites() {
 115         return aaaCertProvider.getCipherSuites();
 116     }
 117
 118     @Override
 119     public String getCertificateTrustStore(final String storePasswd, final String alias, final boolean withTag) {
 120         return aaaCertProvider.getCertificateTrustStore(storePasswd, alias, withTag);
 121     }
 122
 123     @Override
 124     public String getODLKeyStoreCertificate(final String storePasswd, final boolean withTag) {
 125         return aaaCertProvider.getODLKeyStoreCertificate(storePasswd, withTag);
 126     }
 127
 128     @Override
 129     public String genODLKeyStoreCertificateReq(final String storePasswd, final boolean withTag) {
 130         return aaaCertProvider.genODLKeyStoreCertificateReq(storePasswd, withTag);
 131     }
 132
 133     @Override
 134     public SSLContext getServerContext() {
 135         SSLContext serverContext = null;
 136         try {
 137             KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
 138             kmf.init(aaaCertProvider.getODLKeyStore(),
 139                     aaaCertProvider.getOdlKeyStoreInfo().getStorePassword().toCharArray());
 140             TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
 141             tmf.init(aaaCertProvider.getTrustKeyStore());
 142
 143             serverContext = SSLContext.getInstance(KeyStoreConstant.TLS_PROTOCOL);
 144             serverContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);
 145         } catch (final NoSuchAlgorithmException | UnrecoverableKeyException | KeyStoreException
 146                 | KeyManagementException e) {
 147             LOG.error("Error while creating SSLContext ", e);
 148         }
 149         return serverContext;
 150     }
 151
 152     @Override
 153     public String[] getTlsProtocols() {
 154         return aaaCertProvider.getTlsProtocols();
 155     }
 156
 157     @Override
 158     public boolean importSslDataKeystores(final String odlKeystoreName, final String odlKeystorePwd,
 159             final String odlKeystoreAlias, final String trustKeystoreName, final String trustKeystorePwd,
 160             final String[] cipherSuites, final String tlsProtocols) {
 161         DefaultMdsalSslData mdsalCertProvider = (DefaultMdsalSslData) aaaCertProvider;
 162         if (mdsalCertProvider == null) {
 163             LOG.debug("aaaCertProvider is not MD-Sal Certificate Provider");
 164             return false;
 165         }
 166         return mdsalCertProvider.importSslDataKeystores(odlKeystoreName, odlKeystorePwd, odlKeystoreAlias,
 167                 trustKeystoreName, trustKeystorePwd, cipherSuites, tlsProtocols);
 168     }
 169
 170     @Override
 171     public void exportSslDataKeystores() {
 172         DefaultMdsalSslData mdsalCertProvider = (DefaultMdsalSslData) aaaCertProvider;
 173         if (mdsalCertProvider == null) {
 174             LOG.debug("aaaCertProvider is not MD-Sal Certificate Provider");
 175             return;
 176         }
 177         mdsalCertProvider.exportSslDataKeystores();
 178     }
 179
 180     private static void updateCertManagerSrvConfig(final String ctlPwd, final String trustPwd) {
 181         try {
 182             LOG.debug("Update Certificate manager service config file");
 183             final File configFile = new File(DEFAULT_CONFIG_FILE_PATH);
 184             if (configFile.exists()) {
 185                 final String storePwdTag = "store-password";
 186                 final String ctlStoreTag = "ctlKeystore";
 187                 final String trustStoreTag = "trustKeystore";
 188                 final DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
 189                 final DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
 190                 final Document doc = docBuilder.parse(configFile);
 191                 final NodeList ndList = doc.getElementsByTagName(storePwdTag);
 192                 for (int i = 0; i < ndList.getLength(); i++) {
 193                     final Node nd = ndList.item(i);
 194                     if (nd.getParentNode() != null && nd.getParentNode().getNodeName().equals(ctlStoreTag)) {
 195                         nd.setTextContent(ctlPwd);
 196                     } else if (nd.getParentNode() != null && nd.getParentNode().getNodeName().equals(trustStoreTag)) {
 197                         nd.setTextContent(trustPwd);
 198                     }
 199                 }
 200                 final TransformerFactory transformerFactory = TransformerFactory.newInstance();
 201                 final Transformer transformer = transformerFactory.newTransformer();
 202                 final DOMSource source = new DOMSource(doc);
 203                 final StreamResult result = new StreamResult(new File(DEFAULT_CONFIG_FILE_PATH));
 204                 transformer.transform(source, result);
 205             } else {
 206                 LOG.warn("The Certificate manager service config file does not exist {}", DEFAULT_CONFIG_FILE_PATH);
 207             }
 208         } catch (ParserConfigurationException | TransformerException | SAXException | IOException e) {
 209             LOG.error("Error while updating Certificate manager service config file", e);
 210         }
 211     }
 212 }