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.oauth.TokenClient.AUTHN_METHOD;
  47 import org.onap.aaf.cadi.persist.Persist;
  48 import org.onap.aaf.cadi.principal.Kind;
  49 import org.onap.aaf.misc.env.APIException;
  50 import org.onap.aaf.misc.rosetta.env.RosettaEnv;
  51
  52 import aafoauth.v2_0.Token;
  53
  54 public class TokenClientFactory extends Persist<Token,TimedToken> {
  55         private static TokenClientFactory instance;
  56         private Map<String,AAFConHttp> aafcons = new ConcurrentHashMap<String, AAFConHttp>();
  57         private SecurityInfoC<HttpURLConnection> hsi;
  58         // Package on purpose
  59         final Symm symm;
  60
  61         private TokenClientFactory(Access pa) throws APIException, GeneralSecurityException, IOException, CadiException {
  62                 super(pa, new RosettaEnv(pa.getProperties()),Token.class,"outgoing");
  63                 symm = Symm.encrypt.obtain();
  64                 hsi = SecurityInfoC.instance(access, HttpURLConnection.class);
  65         }
  66
  67         public synchronized static final TokenClientFactory instance(Access access) throws APIException, GeneralSecurityException, IOException, CadiException {
  68                 if(instance==null) {
  69                         instance = new TokenClientFactory(access);
  70                 }
  71                 return instance;
  72         }
  73
  74         /**
  75          * Pickup Timeout from Properties
  76          *
  77          * @param tagOrURL
  78          * @return
  79          * @throws CadiException
  80          * @throws LocatorException
  81          * @throws APIException
  82          */
  83         public<INTR> TokenClient newClient(final String tagOrURL) throws CadiException, LocatorException, APIException {
  84                 return newClient(tagOrURL,Integer.parseInt(access.getProperty(Config.AAF_CONN_TIMEOUT, Config.AAF_CONN_TIMEOUT_DEF)));
  85         }
  86
  87         public<INTR> TokenClient newClient(final String tagOrURL, final int timeout) throws CadiException, LocatorException, APIException {
  88                 AAFConHttp ach;
  89                 if(tagOrURL==null) {
  90                         throw new CadiException("parameter tagOrURL cannot be null.");
  91                 } else {
  92                         ach = aafcons.get(tagOrURL);
  93                         if(ach==null) {
  94                                 aafcons.put(tagOrURL, ach=new AAFConHttp(access,tagOrURL));
  95                         }
  96                 }
  97                 char okind;
  98                 if(Config.AAF_OAUTH2_TOKEN_URL.equals(tagOrURL) ||
  99                         tagOrURL.equals(access.getProperty(Config.AAF_OAUTH2_TOKEN_URL, null))) {
 100                                 okind = Kind.AAF_OAUTH;
 101                         } else {
 102                                 okind = Kind.OAUTH;
 103                         }
 104                 return new TokenClient(
 105                                 okind,
 106                                 this,
 107                                 ach,
 108                                 timeout,
 109                                 AUTHN_METHOD.none);
 110         }
 111
 112         public TzClient newTzClient(final String locatorURL) throws CadiException, LocatorException {
 113                 try {
 114                         return new TzHClient(access,hsi,bestLocator(locatorURL));
 115                 } catch (URISyntaxException e) {
 116                         throw new LocatorException(e);
 117                 }
 118         }
 119
 120         static String getKey(char tokenSource,String client_id, String username, byte[] hash, String scope) throws CadiException {
 121                 try {
 122                         StringBuilder sb = new StringBuilder(client_id);
 123                         sb.append('_');
 124                         if(username!=null) {
 125                                 sb.append(username);
 126                         }
 127                         sb.append('_');
 128                         sb.append(tokenSource);
 129                         byte[] tohash=scope.getBytes();
 130                         if(hash!=null && hash.length>0) {
 131                                 byte temp[] = new byte[hash.length+tohash.length];
 132                                 System.arraycopy(tohash, 0, temp, 0, tohash.length);
 133                                 System.arraycopy(hash, 0, temp, tohash.length, hash.length);
 134                                 tohash = temp;
 135                         }
 136                         if(scope!=null && scope.length()>0) {
 137                                 sb.append(Hash.toHexNo0x(Hash.hashSHA256(tohash)));
 138                         }
 139                         return sb.toString();
 140                 } catch (NoSuchAlgorithmException e) {
 141                         throw new CadiException(e);
 142                 }
 143         }
 144
 145         @Override
 146         protected TimedToken newCacheable(Token t, long expires, byte[] hash, Path path) throws IOException {
 147                 return new TimedToken(this,t,expires,hash,path);
 148         }
 149
 150         public TimedToken putTimedToken(String key, Token token, byte[] hash) throws IOException, CadiException {
 151                 TimedToken tt = new TimedToken(this,token,token.getExpiresIn()+(System.currentTimeMillis()/1000),hash,getPath(key));
 152                 put(key,tt);
 153                 return tt;
 154         }
 155
 156         private static final Pattern locatePattern = Pattern.compile("https://.*/locate/.*");
 157         public Locator<URI> bestLocator(final String locatorURL ) throws LocatorException, URISyntaxException {
 158                 if(locatorURL==null) {
 159                         throw new LocatorException("Cannot have a null locatorURL in bestLocator");
 160                 }
 161                 if(locatorURL.startsWith("https://AAF_LOCATE_URL/") || locatePattern.matcher(locatorURL).matches()) {
 162                         return new AAFLocator(hsi,new URI(locatorURL));
 163                 } else {
 164                         return new PropertyLocator(locatorURL);
 165                 }
 166                 // Note: Removed DME2Locator... If DME2 client is needed, use DME2Clients
 167         }
 168 }