auth/auth-core/src/main/java/org/onap/aaf/auth/server/AbsService.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.auth.server;
  23
  24 import java.security.NoSuchAlgorithmException;
  25 import java.util.Properties;
  26
  27 import javax.net.ssl.SSLContext;
  28 import javax.net.ssl.SSLSocketFactory;
  29 import javax.servlet.Filter;
  30
  31 import org.onap.aaf.auth.common.Define;
  32 import org.onap.aaf.auth.rserv.RServlet;
  33 import org.onap.aaf.cadi.Access;
  34 import org.onap.aaf.cadi.Access.Level;
  35 import org.onap.aaf.cadi.CadiException;
  36 import org.onap.aaf.cadi.LocatorException;
  37 import org.onap.aaf.cadi.aaf.v2_0.AAFConHttp;
  38 import org.onap.aaf.cadi.client.Rcli;
  39 import org.onap.aaf.cadi.client.Retryable;
  40 import org.onap.aaf.cadi.config.Config;
  41 import org.onap.aaf.cadi.http.HTransferSS;
  42 import org.onap.aaf.cadi.principal.TaggedPrincipal;
  43 import org.onap.aaf.cadi.register.Registrant;
  44 import org.onap.aaf.cadi.util.Split;
  45 import org.onap.aaf.misc.env.APIException;
  46 import org.onap.aaf.misc.env.Trans;
  47 import org.onap.aaf.misc.env.impl.BasicEnv;
  48
  49 public abstract class AbsService<ENV extends BasicEnv, TRANS extends Trans> extends RServlet<TRANS> {
  50         public final Access access;
  51         public final ENV env;
  52         private AAFConHttp aafCon;
  53
  54         public final String app_name;
  55         public final String app_version;
  56         public final String app_interface_version;
  57         public final String ROOT_NS;
  58
  59     public AbsService(final Access access, final ENV env) throws CadiException {
  60                 Define.set(access);
  61                 ROOT_NS = Define.ROOT_NS();
  62                 this.access = access;
  63                 this.env = env;
  64
  65                 String component = access.getProperty(Config.AAF_COMPONENT, null);
  66                 final String[] locator_deploy;
  67
  68                 if(component == null) {
  69                         locator_deploy = null;
  70                 } else {
  71                         locator_deploy = Split.splitTrim(':', component);
  72                 }
  73
  74                 if(component == null || locator_deploy==null || locator_deploy.length<2) {
  75                         throw new CadiException("AAF Component must include the " + Config.AAF_COMPONENT + " property, <fully qualified service name>:<full deployed version (i.e. 2.1.3.13)");
  76                 }
  77                 final String[] version = Split.splitTrim('.', locator_deploy[1]);
  78                 if(version==null || version.length<2) {
  79                         throw new CadiException("AAF Component Version must have at least Major.Minor version");
  80                 }
  81                 app_name = Define.varReplace(locator_deploy[0]);
  82                 app_version = locator_deploy[1];
  83                 app_interface_version = version[0]+'.'+version[1];
  84
  85                 // Print Cipher Suites Available
  86                 if(access.willLog(Level.DEBUG)) {
  87                         SSLContext context;
  88                         try {
  89                                 context = SSLContext.getDefault();
  90                         } catch (NoSuchAlgorithmException e) {
  91                                 throw new CadiException("SSLContext issue",e);
  92                         }
  93                         SSLSocketFactory sf = context.getSocketFactory();
  94                         StringBuilder sb = new StringBuilder("Available Cipher Suites: ");
  95                         boolean first = true;
  96                         int count=0;
  97                         for( String cs : sf.getSupportedCipherSuites()) {
  98                                 if(first)first = false;
  99                                 else sb.append(',');
 100                                 sb.append(cs);
 101                                 if(++count%4==0){sb.append('\n');}
 102                         }
 103                         access.log(Level.DEBUG,sb);
 104                 }
 105     }
 106
 107         protected abstract Filter[] _filters(Object ... additionalTafLurs) throws CadiException,  LocatorException;
 108
 109         /**
 110          * Overload this method to add new TAF or LURs
 111          *
 112          * @return
 113          * @throws CadiException
 114          * @throws LocatorException
 115          */
 116         public Filter[] filters() throws CadiException,  LocatorException {
 117                 return _filters();
 118         }
 119
 120     public abstract Registrant<ENV>[] registrants(final int port) throws CadiException, LocatorException;
 121
 122         // Lazy Instantiation
 123     public synchronized AAFConHttp aafCon() throws CadiException, LocatorException {
 124                 if(aafCon==null) {
 125                         if(access.getProperty(Config.AAF_URL,null)!=null) {
 126                                 aafCon = _newAAFConHttp();
 127                         } else {
 128                                 throw new CadiException("AAFCon cannot be constructed without " + Config.AAF_URL);
 129                         }
 130                 }
 131                 return aafCon;
 132     }
 133
 134     /**
 135      * Allow to be over ridden for special cases
 136      * @return
 137      * @throws LocatorException
 138      */
 139                 protected synchronized AAFConHttp _newAAFConHttp() throws CadiException, LocatorException {
 140                         if(aafCon==null) {
 141                                 aafCon = new AAFConHttp(access);
 142                         }
 143                         return aafCon;
 144
 145                 }
 146
 147     // This is a method, so we can overload for AAFAPI
 148     public String aaf_url() {
 149                 return access.getProperty(Config.AAF_URL, null);
 150     }
 151
 152         public Rcli<?> client() throws CadiException {
 153                 return aafCon.client(Config.AAF_DEFAULT_VERSION);
 154         }
 155
 156         public Rcli<?> clientAsUser(TaggedPrincipal p) throws CadiException {
 157                 return aafCon.client(Config.AAF_DEFAULT_VERSION).forUser(
 158                                 new HTransferSS(p,app_name, aafCon.securityInfo()));
 159         }
 160
 161         public<RET> RET clientAsUser(TaggedPrincipal p,Retryable<RET> retryable) throws APIException, LocatorException, CadiException  {
 162                         return aafCon.hman().best(new HTransferSS(p,app_name, aafCon.securityInfo()), retryable);
 163         }
 164
 165         protected static final String loadFromArgOrSystem(final Properties props, final String tag, final String args[], final String def) {
 166                 String tagEQ = tag + '=';
 167                 String value;
 168                 for(String arg : args) {
 169                         if(arg.startsWith(tagEQ)) {
 170                                 props.put(tag, value=arg.substring(tagEQ.length()));
 171                                 return value;
 172                         }
 173                 }
 174                 // check System.properties
 175                 value = System.getProperty(tag);
 176                 if(value!=null) {
 177                         props.put(tag, value);
 178                         return value;
 179                 }
 180
 181                 if(def!=null) {
 182                         props.put(tag,def);
 183                 }
 184                 return def;
 185         }
 186
 187 }