authz-cass/src/main/java/com/att/dao/aaf/hl/PermLookup.java

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aai\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * Copyright © 2017 Amdocs\r
   7  * * ===========================================================================\r
   8  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   9  * * you may not use this file except in compliance with the License.\r
  10  * * You may obtain a copy of the License at\r
  11  * * \r
  12  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  13  * * \r
  14  *  * Unless required by applicable law or agreed to in writing, software\r
  15  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  16  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  17  * * See the License for the specific language governing permissions and\r
  18  * * limitations under the License.\r
  19  * * ============LICENSE_END====================================================\r
  20  * *\r
  21  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  22  * *\r
  23  ******************************************************************************/\r
  24 package com.att.dao.aaf.hl;\r
  25 \r
  26 import java.util.ArrayList;\r
  27 import java.util.Date;\r
  28 import java.util.HashMap;\r
  29 import java.util.List;\r
  30 import java.util.Map;\r
  31 import java.util.Set;\r
  32 import java.util.TreeSet;\r
  33 \r
  34 import com.att.authz.env.AuthzTrans;\r
  35 import com.att.authz.layer.Result;\r
  36 import com.att.dao.aaf.cass.PermDAO;\r
  37 import com.att.dao.aaf.cass.RoleDAO;\r
  38 import com.att.dao.aaf.cass.Status;\r
  39 import com.att.dao.aaf.cass.UserRoleDAO;\r
  40 \r
  41 /**\r
  42  * PermLookup is a Storage class for the various pieces of looking up Permission \r
  43  * during Transactions to avoid duplicate processing\r
  44  * \r
  45  *\r
  46  */\r
  47 // Package on purpose\r
  48 class PermLookup {\r
  49         private AuthzTrans trans;\r
  50         private String user;\r
  51         private Question q;\r
  52         private Result<List<UserRoleDAO.Data>> userRoles = null;\r
  53         private Result<List<RoleDAO.Data>> roles = null;\r
  54         private Result<Set<String>> permNames = null;\r
  55         private Result<List<PermDAO.Data>> perms = null;\r
  56         \r
  57         private PermLookup() {}\r
  58         \r
  59         static PermLookup get(AuthzTrans trans, Question q, String user) {\r
  60                 PermLookup lp=null;\r
  61                 Map<String, PermLookup> permMap = trans.get(Question.PERMS, null);\r
  62                 if (permMap == null) {\r
  63                         trans.put(Question.PERMS, permMap = new HashMap<String, PermLookup>());\r
  64                 } else {\r
  65                         lp = permMap.get(user);\r
  66                 }\r
  67 \r
  68                 if (lp == null) {\r
  69                         lp = new PermLookup();\r
  70                         lp.trans = trans;\r
  71                         lp.user = user;\r
  72                         lp.q = q;\r
  73                         permMap.put(user, lp);\r
  74                 }\r
  75                 return lp;\r
  76         }\r
  77         \r
  78         public Result<List<UserRoleDAO.Data>> getUserRoles() {\r
  79                 if(userRoles==null) {\r
  80                         userRoles = q.userRoleDAO.readByUser(trans,user);\r
  81                         if(userRoles.isOKhasData()) {\r
  82                                 List<UserRoleDAO.Data> lurdd = new ArrayList<UserRoleDAO.Data>();\r
  83                                 Date now = new Date();\r
  84                                 for(UserRoleDAO.Data urdd : userRoles.value) {\r
  85                                         if(urdd.expires.after(now)) { // Remove Expired\r
  86                                                 lurdd.add(urdd);\r
  87                                         }\r
  88                                 }\r
  89                                 if(lurdd.size()==0) {\r
  90                                         return userRoles = Result.err(Status.ERR_UserNotFound,\r
  91                                                                 "%s not found or not associated with any Roles: ",\r
  92                                                                 user);\r
  93                                 } else {\r
  94                                         return userRoles = Result.ok(lurdd);\r
  95                                 }\r
  96                         } else {\r
  97                                 return userRoles;\r
  98                         }\r
  99                 } else {\r
 100                         return userRoles;\r
 101                 }\r
 102         }\r
 103 \r
 104         public Result<List<RoleDAO.Data>> getRoles() {\r
 105                 if(roles==null) {\r
 106                         Result<List<UserRoleDAO.Data>> rur = getUserRoles();\r
 107                         if(rur.isOK()) {\r
 108                                 List<RoleDAO.Data> lrdd = new ArrayList<RoleDAO.Data>();\r
 109                                 for (UserRoleDAO.Data urdata : rur.value) {\r
 110                                         // Gather all permissions from all Roles\r
 111                                             if(urdata.ns==null || urdata.rname==null) {\r
 112                                                 trans.error().printf("DB Content Error: nulls in User Role %s %s", urdata.user,urdata.role);\r
 113                                             } else {\r
 114                                                         Result<List<RoleDAO.Data>> rlrd = q.roleDAO.read(\r
 115                                                                         trans, urdata.ns, urdata.rname);\r
 116                                                         if(rlrd.isOK()) {\r
 117                                                                 lrdd.addAll(rlrd.value);\r
 118                                                         }\r
 119                                             }\r
 120                                         }\r
 121                                 return roles = Result.ok(lrdd);\r
 122                         } else {\r
 123                                 return roles = Result.err(rur);\r
 124                         }\r
 125                 } else {\r
 126                         return roles;\r
 127                 }\r
 128         }\r
 129 \r
 130         public Result<Set<String>> getPermNames() {\r
 131                 if(permNames==null) {\r
 132                         Result<List<RoleDAO.Data>> rlrd = getRoles();\r
 133                         if (rlrd.isOK()) {\r
 134                                 Set<String> pns = new TreeSet<String>();\r
 135                                 for (RoleDAO.Data rdata : rlrd.value) {\r
 136                                         pns.addAll(rdata.perms(false));\r
 137                                 }\r
 138                                 return permNames = Result.ok(pns);\r
 139                         } else {\r
 140                                 return permNames = Result.err(rlrd);\r
 141                         }\r
 142                 } else {\r
 143                         return permNames;\r
 144                 }\r
 145         }\r
 146         \r
 147         public Result<List<PermDAO.Data>> getPerms(boolean lookup) {\r
 148                 if(perms==null) {\r
 149                         // Note: It should be ok for a Valid user to have no permissions -\r
 150                         // 8/12/2013\r
 151                         Result<Set<String>> rss = getPermNames();\r
 152                         if(rss.isOK()) {\r
 153                                 List<PermDAO.Data> lpdd = new ArrayList<PermDAO.Data>();\r
 154                                 for (String perm : rss.value) {\r
 155                                         if(lookup) {\r
 156                                                 Result<String[]> ap = PermDAO.Data.decodeToArray(trans, q, perm);\r
 157                                                 if(ap.isOK()) {\r
 158                                                         Result<List<PermDAO.Data>> rlpd = q.permDAO.read(perm,trans,ap);\r
 159                                                         if (rlpd.isOKhasData()) {\r
 160                                                                 for (PermDAO.Data pData : rlpd.value) {\r
 161                                                                         lpdd.add(pData);\r
 162                                                                 }\r
 163                                                         }\r
 164                                                 } else {\r
 165                                                         trans.error().log("In getPermsByUser, for", user, perm);\r
 166                                                 }\r
 167                                         } else {\r
 168                                                 Result<PermDAO.Data> pr = PermDAO.Data.decode(trans, q, perm);\r
 169                                                 if (pr.notOK()) {\r
 170                                                         trans.error().log("In getPermsByUser, for", user, pr.errorString());\r
 171                                                 } else {\r
 172                                                         lpdd.add(pr.value);\r
 173                                                 }\r
 174                                         }\r
 175 \r
 176                                 }\r
 177                                 return perms = Result.ok(lpdd);\r
 178                         } else {\r
 179                                 return perms = Result.err(rss);\r
 180                         }\r
 181                 } else {\r
 182                         return perms;\r
 183                 }\r
 184         }\r
 185 }\r