cadi/aaf/src/main/java/org/onap/aaf/cadi/oauth/TokenClientFactory.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.cadi.oauth;
  23
  24 import java.io.IOException;
  25 import java.net.HttpURLConnection;
  26 import java.net.URI;
  27 import java.net.URISyntaxException;
  28 import java.nio.file.Path;
  29 import java.security.GeneralSecurityException;
  30 import java.security.NoSuchAlgorithmException;
  31 import java.util.Map;
  32 import java.util.concurrent.ConcurrentHashMap;
  33 import java.util.regex.Pattern;
  34
  35 import org.onap.aaf.cadi.Access;
  36 import org.onap.aaf.cadi.CadiException;
  37 import org.onap.aaf.cadi.Hash;
  38 import org.onap.aaf.cadi.Locator;
  39 import org.onap.aaf.cadi.LocatorException;
  40 import org.onap.aaf.cadi.Symm;
  41 import org.onap.aaf.cadi.aaf.v2_0.AAFConHttp;
  42 import org.onap.aaf.cadi.aaf.v2_0.AAFLocator;
  43 import org.onap.aaf.cadi.config.Config;
  44 import org.onap.aaf.cadi.config.SecurityInfoC;
  45 import org.onap.aaf.cadi.locator.PropertyLocator;
  46 import org.onap.aaf.cadi.locator.SingleEndpointLocator;
  47 import org.onap.aaf.cadi.oauth.TokenClient.AUTHN_METHOD;
  48 import org.onap.aaf.cadi.persist.Persist;
  49 import org.onap.aaf.cadi.principal.Kind;
  50 import org.onap.aaf.misc.env.APIException;
  51 import org.onap.aaf.misc.rosetta.env.RosettaEnv;
  52
  53 import aafoauth.v2_0.Token;
  54
  55 public class TokenClientFactory extends Persist<Token,TimedToken> {
  56         private static TokenClientFactory instance;
  57         private Map<String,AAFConHttp> aafcons = new ConcurrentHashMap<>();
  58         private SecurityInfoC<HttpURLConnection> hsi;
  59         // Package on purpose
  60         final Symm symm;
  61
  62         private TokenClientFactory(Access pa) throws APIException, GeneralSecurityException, IOException, CadiException {
  63                 super(pa, new RosettaEnv(pa.getProperties()),Token.class,"outgoing");
  64
  65                 if(access.getProperty(Config.AAF_OAUTH2_TOKEN_URL,null)==null) {
  66                         access.getProperties().put(Config.AAF_OAUTH2_TOKEN_URL, "https://AAF_LOCATE_URL/AAF_NS.token/2.0"); // Default to AAF
  67                 }
  68                 if(access.getProperty(Config.AAF_OAUTH2_INTROSPECT_URL,null)==null) {
  69                         access.getProperties().put(Config.AAF_OAUTH2_INTROSPECT_URL, "https://AAF_LOCATE_URL/AAF_NS.introspect/2.0"); // Default to AAF);
  70                 }
  71
  72                 symm = Symm.encrypt.obtain();
  73                 hsi = SecurityInfoC.instance(access, HttpURLConnection.class);
  74         }
  75
  76         public synchronized static final TokenClientFactory instance(Access access) throws APIException, GeneralSecurityException, IOException, CadiException {
  77                 if(instance==null) {
  78                         instance = new TokenClientFactory(access);
  79                 }
  80                 return instance;
  81         }
  82
  83         /**
  84          * Pickup Timeout from Properties
  85          *
  86          * @param tagOrURL
  87          * @return
  88          * @throws CadiException
  89          * @throws LocatorException
  90          * @throws APIException
  91          */
  92         public<INTR> TokenClient newClient(final String tagOrURL) throws CadiException, LocatorException, APIException {
  93                 return newClient(tagOrURL,Integer.parseInt(access.getProperty(Config.AAF_CONN_TIMEOUT, Config.AAF_CONN_TIMEOUT_DEF)));
  94         }
  95
  96         public<INTR> TokenClient newClient(final String tagOrURL, final int timeout) throws CadiException, LocatorException, APIException {
  97                 AAFConHttp ach;
  98                 if(tagOrURL==null) {
  99                         throw new CadiException("parameter tagOrURL cannot be null.");
 100                 } else {
 101                         ach = aafcons.get(tagOrURL);
 102                         if(ach==null) {
 103                                 aafcons.put(tagOrURL, ach=new AAFConHttp(access,tagOrURL));
 104                         }
 105                 }
 106                 char okind;
 107                 if( Config.AAF_OAUTH2_TOKEN_URL.equals(tagOrURL) ||
 108                         Config.AAF_OAUTH2_INTROSPECT_URL.equals(tagOrURL) ||
 109                         tagOrURL.equals(access.getProperty(Config.AAF_OAUTH2_TOKEN_URL, null)) ||
 110                         tagOrURL.equals(access.getProperty(Config.AAF_OAUTH2_INTROSPECT_URL, null))
 111                         ) {
 112                                 okind = Kind.AAF_OAUTH;
 113                         } else {
 114                                 okind = Kind.OAUTH;
 115                         }
 116                 TokenClient tci = new TokenClient(
 117                                 okind,
 118                                 this,
 119                                 ach,
 120                                 timeout,
 121                                 AUTHN_METHOD.none);
 122                 tci.client_creds(access);
 123                 return tci;
 124         }
 125
 126         public TzClient newTzClient(final String locatorURL) throws CadiException, LocatorException {
 127                 try {
 128                         return new TzHClient(access,hsi,bestLocator(locatorURL));
 129                 } catch (URISyntaxException e) {
 130                         throw new LocatorException(e);
 131                 }
 132         }
 133
 134         static String getKey(char tokenSource,String client_id, String username, byte[] hash, String scope) throws CadiException {
 135                 try {
 136                         StringBuilder sb = new StringBuilder(client_id);
 137                         sb.append('_');
 138                         if(username!=null) {
 139                                 sb.append(username);
 140                         }
 141                         sb.append('_');
 142                         sb.append(tokenSource);
 143                         byte[] tohash=scope.getBytes();
 144                         if(hash!=null && hash.length>0) {
 145                                 byte temp[] = new byte[hash.length+tohash.length];
 146                                 System.arraycopy(tohash, 0, temp, 0, tohash.length);
 147                                 System.arraycopy(hash, 0, temp, tohash.length, hash.length);
 148                                 tohash = temp;
 149                         }
 150                         if(scope!=null && scope.length()>0) {
 151                                 sb.append(Hash.toHexNo0x(Hash.hashSHA256(tohash)));
 152                         }
 153                         return sb.toString();
 154                 } catch (NoSuchAlgorithmException e) {
 155                         throw new CadiException(e);
 156                 }
 157         }
 158
 159         @Override
 160         protected TimedToken newCacheable(Token t, long expires, byte[] hash, Path path) throws IOException {
 161                 return new TimedToken(this,t,expires,hash,path);
 162         }
 163
 164         public TimedToken putTimedToken(String key, Token token, byte[] hash) throws IOException, CadiException {
 165                 TimedToken tt = new TimedToken(this,token,token.getExpiresIn()+(System.currentTimeMillis()/1000),hash,getPath(key));
 166                 put(key,tt);
 167                 return tt;
 168         }
 169
 170         private static final Pattern locatePattern = Pattern.compile("https://.*/locate/.*");
 171         public Locator<URI> bestLocator(final String locatorURL ) throws LocatorException, URISyntaxException {
 172                 if(locatorURL==null) {
 173                         throw new LocatorException("Cannot have a null locatorURL in bestLocator");
 174                 }
 175                 if(locatorURL.startsWith("https://AAF_LOCATE_URL/") || locatePattern.matcher(locatorURL).matches()) {
 176                         return new AAFLocator(hsi,new URI(locatorURL));
 177                 } else if(locatorURL.indexOf(',')>0) { // multiple URLs is a Property Locator
 178                         return new PropertyLocator(locatorURL);
 179                 } else {
 180                         return new SingleEndpointLocator(locatorURL);
 181                 }
 182                 // Note: Removed DME2Locator... If DME2 client is needed, use DME2Clients
 183         }
 184 }