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

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aaf\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * ===========================================================================\r
   7  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * * you may not use this file except in compliance with the License.\r
   9  * * You may obtain a copy of the License at\r
  10  * * \r
  11  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * * \r
  13  *  * Unless required by applicable law or agreed to in writing, software\r
  14  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * * See the License for the specific language governing permissions and\r
  17  * * limitations under the License.\r
  18  * * ============LICENSE_END====================================================\r
  19  * *\r
  20  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  21  * *\r
  22  ******************************************************************************/\r
  23 package com.att.dao.aaf.cass;\r
  24 \r
  25 import java.io.ByteArrayOutputStream;\r
  26 import java.io.DataInputStream;\r
  27 import java.io.DataOutputStream;\r
  28 import java.io.IOException;\r
  29 import java.math.BigInteger;\r
  30 import java.nio.ByteBuffer;\r
  31 import java.util.List;\r
  32 \r
  33 import com.att.authz.env.AuthzTrans;\r
  34 import com.att.authz.layer.Result;\r
  35 import com.att.dao.Bytification;\r
  36 import com.att.dao.CIDAO;\r
  37 import com.att.dao.Cached;\r
  38 import com.att.dao.CassDAOImpl;\r
  39 import com.att.dao.Loader;\r
  40 import com.att.dao.Streamer;\r
  41 import com.att.inno.env.APIException;\r
  42 import com.datastax.driver.core.Cluster;\r
  43 import com.datastax.driver.core.Row;\r
  44 \r
  45 /**\r
  46  * CredDAO manages credentials. \r
  47  * Date: 7/19/13\r
  48  */\r
  49 public class CertDAO extends CassDAOImpl<AuthzTrans,CertDAO.Data> {\r
  50     public static final String TABLE = "x509";\r
  51     public static final int CACHE_SEG = 0x40; // yields segment 0x0-0x3F\r
  52     \r
  53     private HistoryDAO historyDAO;\r
  54         private CIDAO<AuthzTrans> infoDAO;\r
  55         private PSInfo psX500,psID;\r
  56         \r
  57     public CertDAO(AuthzTrans trans, Cluster cluster, String keyspace) throws APIException, IOException {\r
  58         super(trans, CertDAO.class.getSimpleName(),cluster, keyspace, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));\r
  59         init(trans);\r
  60     }\r
  61 \r
  62     public CertDAO(AuthzTrans trans, HistoryDAO hDao, CacheInfoDAO ciDao) throws APIException, IOException {\r
  63         super(trans, CertDAO.class.getSimpleName(),hDao, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));\r
  64         historyDAO = hDao;\r
  65         infoDAO = ciDao;\r
  66         init(trans);\r
  67     }\r
  68     \r
  69     public static final int KEYLIMIT = 2;\r
  70         public static class Data extends CacheableData implements Bytification {\r
  71         \r
  72         public String                                   ca;\r
  73                 public BigInteger                               serial;\r
  74         public String                           id;\r
  75         public String                                   x500;\r
  76         public String                                   x509;\r
  77 \r
  78         @Override\r
  79                 public int[] invalidate(Cached<?,?> cache) {\r
  80                 return new int[] {\r
  81                         seg(cache,ca,serial)\r
  82                 };\r
  83                 }\r
  84         \r
  85                 @Override\r
  86                 public ByteBuffer bytify() throws IOException {\r
  87                         ByteArrayOutputStream baos = new ByteArrayOutputStream();\r
  88                         CertLoader.deflt.marshal(this,new DataOutputStream(baos));\r
  89                         return ByteBuffer.wrap(baos.toByteArray());\r
  90                 }\r
  91                 \r
  92                 @Override\r
  93                 public void reconstitute(ByteBuffer bb) throws IOException {\r
  94                         CertLoader.deflt.unmarshal(this, toDIS(bb));\r
  95                 }\r
  96     }\r
  97 \r
  98     private static class CertLoader extends Loader<Data> implements Streamer<Data>{\r
  99                 public static final int MAGIC=85102934;\r
 100         public static final int VERSION=1;\r
 101         public static final int BUFF_SIZE=48; // Note: \r
 102 \r
 103         public static final CertLoader deflt = new CertLoader(KEYLIMIT);\r
 104         public CertLoader(int keylimit) {\r
 105             super(keylimit);\r
 106         }\r
 107 \r
 108         @Override\r
 109         public Data load(Data data, Row row) {\r
 110                 data.ca = row.getString(0);\r
 111             ByteBuffer bb = row.getBytesUnsafe(1);\r
 112             byte[] bytes = new byte[bb.remaining()];\r
 113             bb.get(bytes);\r
 114             data.serial = new BigInteger(bytes);\r
 115             data.id = row.getString(2);\r
 116             data.x500 = row.getString(3);\r
 117             data.x509 = row.getString(4);\r
 118             return data;\r
 119         }\r
 120 \r
 121         @Override\r
 122         protected void key(Data data, int idx, Object[] obj) {\r
 123             obj[idx] = data.ca;\r
 124             obj[++idx] = ByteBuffer.wrap(data.serial.toByteArray());\r
 125         }\r
 126 \r
 127         @Override\r
 128         protected void body(Data data, int _idx, Object[] obj) {\r
 129                 int idx = _idx;\r
 130 \r
 131             obj[idx] = data.id;\r
 132             obj[++idx] = data.x500;\r
 133             obj[++idx] = data.x509;\r
 134 \r
 135             \r
 136         }\r
 137 \r
 138                 @Override\r
 139                 public void marshal(Data data, DataOutputStream os) throws IOException {\r
 140                         writeHeader(os,MAGIC,VERSION);\r
 141                         writeString(os, data.id);\r
 142                         writeString(os, data.x500);\r
 143                         writeString(os, data.x509);\r
 144                         writeString(os, data.ca);\r
 145                         if(data.serial==null) {\r
 146                                 os.writeInt(-1);\r
 147                         } else {\r
 148                                 byte[] dsba = data.serial.toByteArray();\r
 149                                 int l = dsba.length;\r
 150                                 os.writeInt(l);\r
 151                                 os.write(dsba,0,l);\r
 152                         }\r
 153                 }\r
 154 \r
 155                 @Override\r
 156                 public void unmarshal(Data data, DataInputStream is) throws IOException {\r
 157                         /*int version = */readHeader(is,MAGIC,VERSION);\r
 158                         // If Version Changes between Production runs, you'll need to do a switch Statement, and adequately read in fields\r
 159                         byte[] buff = new byte[BUFF_SIZE];\r
 160                         data.id = readString(is,buff);\r
 161                         data.x500 = readString(is,buff);\r
 162                         data.x509 = readString(is,buff);\r
 163                         data.ca = readString(is,buff);\r
 164                         int i = is.readInt();\r
 165                         if(i<0) {\r
 166                                 data.serial=null;\r
 167                         } else {\r
 168                                 byte[] bytes = new byte[i]; // a bit dangerous, but lessened because of all the previous sized data reads\r
 169                                 is.read(bytes);\r
 170                                 data.serial = new BigInteger(bytes);\r
 171                         }\r
 172                 }\r
 173     }\r
 174     \r
 175     public Result<List<CertDAO.Data>> read(AuthzTrans trans, Object ... key) {\r
 176         // Translate BigInteger to Byte array for lookup\r
 177         return super.read(trans, key[0],ByteBuffer.wrap(((BigInteger)key[1]).toByteArray()));\r
 178     }\r
 179 \r
 180     private void init(AuthzTrans trans) throws APIException, IOException {\r
 181         // Set up sub-DAOs\r
 182         if(historyDAO==null) {\r
 183                 historyDAO = new HistoryDAO(trans,this);\r
 184         }\r
 185                 if(infoDAO==null) {\r
 186                         infoDAO = new CacheInfoDAO(trans,this);\r
 187                 }\r
 188 \r
 189                 String[] helpers = setCRUD(trans, TABLE, Data.class, CertLoader.deflt);\r
 190 \r
 191                 psID = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] + " FROM " + TABLE +\r
 192                                 " WHERE id = ?", CertLoader.deflt,readConsistency);\r
 193 \r
 194                 psX500 = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] + " FROM " + TABLE +\r
 195                                 " WHERE x500 = ?", CertLoader.deflt,readConsistency);\r
 196                 \r
 197     }\r
 198     \r
 199         public Result<List<Data>> readX500(AuthzTrans trans, String x500) {\r
 200                 return psX500.read(trans, R_TEXT, new Object[]{x500});\r
 201         }\r
 202 \r
 203         public Result<List<Data>> readID(AuthzTrans trans, String id) {\r
 204                 return psID.read(trans, R_TEXT, new Object[]{id});\r
 205         }\r
 206 \r
 207     /**\r
 208      * Log Modification statements to History\r
 209      *\r
 210      * @param modified        which CRUD action was done\r
 211      * @param data            entity data that needs a log entry\r
 212      * @param overrideMessage if this is specified, we use it rather than crafting a history message based on data\r
 213      */\r
 214     @Override\r
 215     protected void wasModified(AuthzTrans trans, CRUD modified, Data data, String ... override) {\r
 216         boolean memo = override.length>0 && override[0]!=null;\r
 217         boolean subject = override.length>1 && override[1]!=null;\r
 218 \r
 219         HistoryDAO.Data hd = HistoryDAO.newInitedData();\r
 220         hd.user = trans.user();\r
 221         hd.action = modified.name();\r
 222         hd.target = TABLE;\r
 223         hd.subject = subject?override[1]: data.id;\r
 224         hd.memo = memo\r
 225                 ? String.format("%s by %s", override[0], hd.user)\r
 226                 : (modified.name() + "d certificate info for " + data.id);\r
 227         // Detail?\r
 228                 if(modified==CRUD.delete) {\r
 229                                 try {\r
 230                                         hd.reconstruct = data.bytify();\r
 231                                 } catch (IOException e) {\r
 232                                         trans.error().log(e,"Could not serialize CertDAO.Data");\r
 233                                 }\r
 234                         }\r
 235 \r
 236         if(historyDAO.create(trans, hd).status!=Status.OK) {\r
 237                 trans.error().log("Cannot log to History");\r
 238         }\r
 239         if(infoDAO.touch(trans, TABLE,data.invalidate(cache)).status!=Status.OK) {\r
 240                 trans.error().log("Cannot touch Cert");\r
 241         }\r
 242     }\r
 243 }\r