cadi/aaf/src/main/java/org/onap/aaf/cadi/aaf/v2_0/AAFLurPerm.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.aaf.v2_0;
  23
  24 import java.lang.reflect.Constructor;
  25 import java.lang.reflect.InvocationTargetException;
  26 import java.net.ConnectException;
  27 import java.net.URISyntaxException;
  28 import java.security.Principal;
  29 import java.util.Map;
  30
  31 import org.onap.aaf.cadi.AbsUserCache;
  32 import org.onap.aaf.cadi.Access;
  33 import org.onap.aaf.cadi.Access.Level;
  34 import org.onap.aaf.cadi.CachedPrincipal.Resp;
  35 import org.onap.aaf.cadi.CadiException;
  36 import org.onap.aaf.cadi.Lur;
  37 import org.onap.aaf.cadi.Permission;
  38 import org.onap.aaf.cadi.User;
  39 import org.onap.aaf.cadi.aaf.AAFPermission;
  40 import org.onap.aaf.cadi.client.Future;
  41 import org.onap.aaf.cadi.client.Holder;
  42 import org.onap.aaf.cadi.client.Rcli;
  43 import org.onap.aaf.cadi.client.Retryable;
  44 import org.onap.aaf.cadi.config.Config;
  45 import org.onap.aaf.cadi.lur.LocalPermission;
  46 import org.onap.aaf.cadi.util.Timing;
  47 import org.onap.aaf.misc.env.APIException;
  48 import org.onap.aaf.misc.env.util.Split;
  49
  50 import aaf.v2_0.Perm;
  51 import aaf.v2_0.Perms;
  52
  53 /**
  54  * Use AAF Service as Permission Service.
  55  *
  56  * This Lur goes after AAF Permissions, which are elements of Roles, not the Roles themselves.
  57  *
  58  * If you want a simple Role Lur, use AAFRoleLur
  59  *
  60  * @author Jonathan
  61  *
  62  */
  63 public class AAFLurPerm extends AbsAAFLur<AAFPermission> {
  64         private static final String ORG_OSAAF_CADI_OAUTH_O_AUTH2_LUR = "org.osaaf.cadi.oauth.OAuth2Lur";
  65
  66         /**
  67          *  Need to be able to transmutate a Principal into either Person or AppID, which are the only ones accepted at this
  68          *  point by AAF.  There is no "domain", aka, no "@att.com" in "ab1234@att.com".
  69          *
  70          *  The only thing that matters here for AAF is that we don't waste calls with IDs that obviously aren't valid.
  71          *  Thus, we validate that the ID portion follows the rules before we waste time accessing AAF remotely
  72          * @throws APIException
  73          * @throws URISyntaxException
  74          * @throws DME2Exception
  75          */
  76         // Package on purpose
  77         AAFLurPerm(AAFCon<?> con) throws CadiException, APIException {
  78                 super(con);
  79                 attachOAuth2(con);
  80         }
  81
  82         // Package on purpose
  83         AAFLurPerm(AAFCon<?> con, AbsUserCache<AAFPermission> auc) throws APIException {
  84                 super(con,auc);
  85                 attachOAuth2(con);
  86         }
  87
  88         private void attachOAuth2(AAFCon<?> con) throws APIException {
  89                 String oauth2_url;
  90                 Class<?> tmcls = Config.loadClass(access,"org.osaaf.cadi.oauth.TokenMgr");
  91                 if(tmcls!=null) {
  92                         if((oauth2_url = con.access.getProperty(Config.CADI_OAUTH2_URL,null))!=null) {
  93                                 try {
  94                                         Constructor<?> tmconst = tmcls.getConstructor(AAFCon.class,String.class);
  95                                         Object tokMangr = tmconst.newInstance(con,oauth2_url);
  96                                         @SuppressWarnings("unchecked")
  97                                         Class<Lur> oa2cls = (Class<Lur>)Config.loadClass(access,ORG_OSAAF_CADI_OAUTH_O_AUTH2_LUR);
  98                                         Constructor<Lur> oa2const = oa2cls.getConstructor(tmcls);
  99                                         Lur oa2 = oa2const.newInstance(tokMangr);
 100                                         setPreemptiveLur(oa2);
 101                                 } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
 102                                         throw new APIException(e);
 103                                 }
 104                         } else {
 105                                 access.log(Level.INIT, "Both cadi-oauth jar and Property",Config.CADI_OAUTH2_URL,"is required to initialize OAuth2");
 106                         }
 107                 }
 108         }
 109
 110         protected User<AAFPermission> loadUser(final Principal principal)  {
 111                 final String name = principal.getName();
 112                 final long start = System.nanoTime();
 113                 final Holder<Float> remote = new Holder<Float>(0f);
 114
 115                 final boolean[] success = new boolean[]{false};
 116
 117                 try {
 118                         return aaf.best(new Retryable<User<AAFPermission>>() {
 119                                 @Override
 120                                 public User<AAFPermission> code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 121                                         final long remoteStart = System.nanoTime();
 122                                         Future<Perms> fp = client.read("/authz/perms/user/"+name,aaf.permsDF);
 123
 124                                         // In the meantime, lookup User, create if necessary
 125                                         User<AAFPermission> user = getUser(principal);
 126                                         Principal p;
 127                                         if(user!=null && user.principal == null) {
 128                                                 p = new Principal() {// Create a holder for lookups
 129                                                         private String n = name;
 130                                                         public String getName() {
 131                                                                 return n;
 132                                                         }
 133                                                 };
 134                                         } else {
 135                                                 p = principal;
 136                                         }
 137
 138                                         if(user==null) {
 139                                                 addUser(user = new User<AAFPermission>(p,aaf.userExpires)); // no password
 140                                         }
 141
 142                                         // OK, done all we can, now get content
 143                                         boolean ok = fp.get(aaf.timeout);
 144                                         remote.set(Timing.millis(remoteStart));
 145                                         if(ok) {
 146                                                 success[0]=true;
 147                                                 Map<String, Permission> newMap = user.newMap();
 148                                                 boolean willLog = aaf.access.willLog(Level.DEBUG);
 149                                                 for(Perm perm : fp.value.getPerm()) {
 150                                                         user.add(newMap,new AAFPermission(perm.getNs(),perm.getType(),perm.getInstance(),perm.getAction(),perm.getRoles()));
 151                                                         if(willLog) {
 152                                                                 aaf.access.log(Level.DEBUG, name,"has '",perm.getType(),'|',perm.getInstance(),'|',perm.getAction(),'\'');
 153                                                         }
 154                                                 }
 155                                                 user.setMap(newMap);
 156                                         } else {
 157                                                 int code;
 158                                                 switch(code=fp.code()) {
 159                                                         case 401:
 160                                                                 aaf.access.log(Access.Level.ERROR, code, "Unauthorized to make AAF calls");
 161                                                                 break;
 162                                                         case 404:
 163                                                                 user.setNoPerms();
 164                                                                 break;
 165                                                         default:
 166                                                                 aaf.access.log(Access.Level.ERROR, code, fp.body());
 167                                                 }
 168                                         }
 169
 170                                         return user;
 171                                 }
 172                         });
 173                 } catch (Exception e) {
 174                         aaf.access.log(e,"Calling","/authz/perms/user/"+name);
 175                         success[0]=false;
 176                         return null;
 177                 } finally {
 178                         aaf.access.printf(Level.INFO, "AAFLurPerm: %s %s perms from AAF in %f ms, remote=%f",
 179                                         (success[0]?"Loaded":"Load Failure"),name,Timing.millis(start),remote.get());
 180                 }
 181         }
 182
 183         public Resp reload(final User<AAFPermission> user) {
 184                 final String name = user.name;
 185                 long start = System.nanoTime();
 186                 final Holder<Float> remote = new Holder<Float>(0f);
 187                 final Holder<Boolean> success = new Holder<Boolean>(false);
 188                 try {
 189                         Resp rv = aaf.best(new Retryable<Resp>() {
 190                                 @Override
 191                                 public Resp code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 192                                         final long remoteStart = System.nanoTime();
 193                                         Future<Perms> fp = aaf.client(Config.AAF_DEFAULT_VERSION).read(
 194                                                         "/authz/perms/user/"+name,
 195                                                         aaf.permsDF
 196                                                         );
 197
 198                                         // OK, done all we can, now get content
 199                                         boolean ok = fp.get(aaf.timeout);
 200                                         remote.set(Timing.millis(remoteStart));
 201                                         if(ok) {
 202                                                 success.set(true);
 203                                                 Map<String,Permission> newMap = user.newMap();
 204                                                 boolean willLog = aaf.access.willLog(Level.DEBUG);
 205                                                 for(Perm perm : fp.value.getPerm()) {
 206                                                         user.add(newMap, new AAFPermission(perm.getNs(),perm.getType(),perm.getInstance(),perm.getAction(),perm.getRoles()));
 207                                                         if(willLog) {
 208                                                                 aaf.access.log(Level.DEBUG, name,"has",perm.getType(),perm.getInstance(),perm.getAction());
 209                                                         }
 210                                                 }
 211                                                 user.renewPerm();
 212                                                 return Resp.REVALIDATED;
 213                                         } else {
 214                                                 int code;
 215                                                 switch(code=fp.code()) {
 216                                                         case 401:
 217                                                                 aaf.access.log(Access.Level.ERROR, code, "Unauthorized to make AAF calls");
 218                                                                 break;
 219                                                         default:
 220                                                                 aaf.access.log(Access.Level.ERROR, code, fp.body());
 221                                                 }
 222                                                 return Resp.UNVALIDATED;
 223                                         }
 224                                 }
 225                         });
 226                         return rv;
 227                 } catch (Exception e) {
 228                         aaf.access.log(e,"Calling","/authz/perms/user/"+name);
 229                         return Resp.INACCESSIBLE;
 230                 } finally {
 231                         aaf.access.printf(Level.INFO, "AAFLurPerm: %s %s perms from AAF in %f ms (remote=%f)",
 232                                         (success.get()?"Reloaded":"Reload Failure"),name,Timing.millis(start),remote.get());
 233                 }
 234         }
 235
 236         @Override
 237         protected boolean isCorrectPermType(Permission pond) {
 238                 return pond instanceof AAFPermission;
 239         }
 240
 241         /* (non-Javadoc)
 242          * @see org.onap.aaf.cadi.Lur#createPerm(java.lang.String)
 243          */
 244         @Override
 245         public Permission createPerm(String p) {
 246                 String[] params = Split.split('|', p);
 247                 switch(params.length) {
 248                         case 3:
 249                                 return new AAFPermission(null,params[0],params[1],params[2]);
 250                         case 4:
 251                                 return new AAFPermission(params[0],params[1],params[2],params[3]);
 252                         default:
 253                                 return new LocalPermission(p);
 254                 }
 255         }
 256
 257 }