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.CadiException;
  34 import org.onap.aaf.cadi.Lur;
  35 import org.onap.aaf.cadi.Permission;
  36 import org.onap.aaf.cadi.User;
  37 import org.onap.aaf.cadi.Access.Level;
  38 import org.onap.aaf.cadi.CachedPrincipal.Resp;
  39 import org.onap.aaf.cadi.aaf.AAFPermission;
  40 import org.onap.aaf.cadi.client.Future;
  41 import org.onap.aaf.cadi.client.Rcli;
  42 import org.onap.aaf.cadi.client.Retryable;
  43 import org.onap.aaf.cadi.config.Config;
  44 import org.onap.aaf.cadi.lur.LocalPermission;
  45 import org.onap.aaf.misc.env.APIException;
  46 import org.onap.aaf.misc.env.util.Split;
  47
  48 import aaf.v2_0.Perm;
  49 import aaf.v2_0.Perms;
  50
  51 /**
  52  * Use AAF Service as Permission Service.
  53  *
  54  * This Lur goes after AAF Permissions, which are elements of Roles, not the Roles themselves.
  55  *
  56  * If you want a simple Role Lur, use AAFRoleLur
  57  *
  58  * @author Jonathan
  59  *
  60  */
  61 public class AAFLurPerm extends AbsAAFLur<AAFPermission> {
  62         private static final String ORG_OSAAF_CADI_OAUTH_O_AUTH2_LUR = "org.osaaf.cadi.oauth.OAuth2Lur";
  63
  64         /**
  65          *  Need to be able to transmutate a Principal into either Person or AppID, which are the only ones accepted at this
  66          *  point by AAF.  There is no "domain", aka, no "@att.com" in "ab1234@att.com".
  67          *
  68          *  The only thing that matters here for AAF is that we don't waste calls with IDs that obviously aren't valid.
  69          *  Thus, we validate that the ID portion follows the rules before we waste time accessing AAF remotely
  70          * @throws APIException
  71          * @throws URISyntaxException
  72          * @throws DME2Exception
  73          */
  74         // Package on purpose
  75         AAFLurPerm(AAFCon<?> con) throws CadiException, APIException {
  76                 super(con);
  77                 attachOAuth2(con);
  78         }
  79
  80         // Package on purpose
  81         AAFLurPerm(AAFCon<?> con, AbsUserCache<AAFPermission> auc) throws APIException {
  82                 super(con,auc);
  83                 attachOAuth2(con);
  84         }
  85
  86         private void attachOAuth2(AAFCon<?> con) throws APIException {
  87                 String oauth2_url;
  88                 Class<?> tmcls = Config.loadClass(access,"org.osaaf.cadi.oauth.TokenMgr");
  89                 if(tmcls!=null) {
  90                         if((oauth2_url = con.access.getProperty(Config.CADI_OAUTH2_URL,null))!=null) {
  91                                 try {
  92                                         Constructor<?> tmconst = tmcls.getConstructor(AAFCon.class,String.class);
  93                                         Object tokMangr = tmconst.newInstance(con,oauth2_url);
  94                                         @SuppressWarnings("unchecked")
  95                                         Class<Lur> oa2cls = (Class<Lur>)Config.loadClass(access,ORG_OSAAF_CADI_OAUTH_O_AUTH2_LUR);
  96                                         Constructor<Lur> oa2const = oa2cls.getConstructor(tmcls);
  97                                         Lur oa2 = oa2const.newInstance(tokMangr);
  98                                         setPreemptiveLur(oa2);
  99                                 } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
 100                                         throw new APIException(e);
 101                                 }
 102                         } else {
 103                                 access.log(Level.INIT, "Both cadi-oauth jar and Property",Config.CADI_OAUTH2_URL,"is required to initialize OAuth2");
 104                         }
 105                 }
 106         }
 107
 108         protected User<AAFPermission> loadUser(final Principal principal)  {
 109                 final String name = principal.getName();
 110 //              TODO Create a dynamic way to declare domains supported.
 111                 final long start = System.nanoTime();
 112                 final boolean[] success = new boolean[]{false};
 113
 114 //              new Exception("loadUser").printStackTrace();
 115                 try {
 116                         return aaf.best(new Retryable<User<AAFPermission>>() {
 117                                 @Override
 118                                 public User<AAFPermission> code(Rcli<?> client) throws CadiException, ConnectException, APIException {
 119                                         Future<Perms> fp = client.read("/authz/perms/user/"+name,aaf.permsDF);
 120
 121                                         // In the meantime, lookup User, create if necessary
 122                                         User<AAFPermission> user = getUser(principal);
 123                                         Principal p;
 124                                         if(user!=null && user.principal == null) {
 125                                                 p = new Principal() {// Create a holder for lookups
 126                                                         private String n = name;
 127                                                         public String getName() {
 128                                                                 return n;
 129                                                         }
 130                                                 };
 131                                         } else {
 132                                                 p = principal;
 133                                         }
 134
 135                                         if(user==null) {
 136                                                 addUser(user = new User<AAFPermission>(p,aaf.userExpires)); // no password
 137                                         }
 138
 139                                         // OK, done all we can, now get content
 140                                         if(fp.get(aaf.timeout)) {
 141                                                 success[0]=true;
 142                                                 Map<String, Permission> newMap = user.newMap();
 143                                                 boolean willLog = aaf.access.willLog(Level.DEBUG);
 144                                                 for(Perm perm : fp.value.getPerm()) {
 145                                                         user.add(newMap,new AAFPermission(perm.getNs(),perm.getType(),perm.getInstance(),perm.getAction(),perm.getRoles()));
 146                                                         if(willLog) {
 147                                                                 aaf.access.log(Level.DEBUG, name,"has '",perm.getType(),'|',perm.getInstance(),'|',perm.getAction(),'\'');
 148                                                         }
 149                                                 }
 150                                                 user.setMap(newMap);
 151                                         } else {
 152                                                 int code;
 153                                                 switch(code=fp.code()) {
 154                                                         case 401:
 155                                                                 aaf.access.log(Access.Level.ERROR, code, "Unauthorized to make AAF calls");
 156                                                                 break;
 157                                                         case 404:
 158                                                                 user.setNoPerms();
 159                                                                 break;
 160                                                         default:
 161                                                                 aaf.access.log(Access.Level.ERROR, code, fp.body());
 162                                                 }
 163                                         }
 164
 165                                         return user;
 166                                 }
 167                         });
 168                 } catch (Exception e) {
 169                         aaf.access.log(e,"Calling","/authz/perms/user/"+name);
 170                         success[0]=false;
 171                         return null;
 172                 } finally {
 173                         float time = (System.nanoTime()-start)/1000000f;
 174                         aaf.access.log(Level.INFO, success[0]?"Loaded":"Load Failure",name,"from AAF in",time,"ms");
 175                 }
 176         }
 177
 178         public Resp reload(User<AAFPermission> user) {
 179                 final String name = user.name;
 180                 long start = System.nanoTime();
 181                 boolean success = false;
 182                 try {
 183                         Future<Perms> fp = aaf.client(Config.AAF_DEFAULT_VERSION).read(
 184                                         "/authz/perms/user/"+name,
 185                                         aaf.permsDF
 186                                         );
 187
 188                         // OK, done all we can, now get content
 189                         if(fp.get(aaf.timeout)) {
 190                                 success = true;
 191                                 Map<String,Permission> newMap = user.newMap();
 192                                 boolean willLog = aaf.access.willLog(Level.DEBUG);
 193                                 for(Perm perm : fp.value.getPerm()) {
 194                                         user.add(newMap, new AAFPermission(perm.getNs(),perm.getType(),perm.getInstance(),perm.getAction(),perm.getRoles()));
 195                                         if(willLog) {
 196                                                 aaf.access.log(Level.DEBUG, name,"has",perm.getType(),perm.getInstance(),perm.getAction());
 197                                         }
 198                                 }
 199                                 user.renewPerm();
 200                                 return Resp.REVALIDATED;
 201                         } else {
 202                                 int code;
 203                                 switch(code=fp.code()) {
 204                                         case 401:
 205                                                 aaf.access.log(Access.Level.ERROR, code, "Unauthorized to make AAF calls");
 206                                                 break;
 207                                         default:
 208                                                 aaf.access.log(Access.Level.ERROR, code, fp.body());
 209                                 }
 210                                 return Resp.UNVALIDATED;
 211                         }
 212                 } catch (Exception e) {
 213                         aaf.access.log(e,"Calling","/authz/perms/user/"+name);
 214                         return Resp.INACCESSIBLE;
 215                 } finally {
 216                         float time = (System.nanoTime()-start)/1000000f;
 217                         aaf.access.log(Level.AUDIT, success?"Reloaded":"Reload Failure",name,"from AAF in",time,"ms");
 218                 }
 219         }
 220
 221         @Override
 222         protected boolean isCorrectPermType(Permission pond) {
 223                 return pond instanceof AAFPermission;
 224         }
 225
 226         /* (non-Javadoc)
 227          * @see org.onap.aaf.cadi.Lur#createPerm(java.lang.String)
 228          */
 229         @Override
 230         public Permission createPerm(String p) {
 231                 String[] params = Split.split('|', p);
 232                 switch(params.length) {
 233                         case 3:
 234                                 return new AAFPermission(null,params[0],params[1],params[2]);
 235                         case 4:
 236                                 return new AAFPermission(params[0],params[1],params[2],params[3]);
 237                         default:
 238                                 return new LocalPermission(p);
 239                 }
 240         }
 241
 242 }