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().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 }