AT&T 2.0.19 Code drop, stage 3
[aaf/authz.git] / auth / auth-cass / src / main / java / org / onap / aaf / auth / dao / cass / CredDAO.java
diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/cass/CredDAO.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/cass/CredDAO.java
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+/**
+ * ============LICENSE_START====================================================
+ * org.onap.aaf
+ * ===========================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ===========================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END====================================================
+ *
+ */
+
+package org.onap.aaf.auth.dao.cass;
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.Date;
+import java.util.List;
+
+import org.onap.aaf.auth.dao.Bytification;
+import org.onap.aaf.auth.dao.CIDAO;
+import org.onap.aaf.auth.dao.Cached;
+import org.onap.aaf.auth.dao.CassDAOImpl;
+import org.onap.aaf.auth.dao.Loader;
+import org.onap.aaf.auth.dao.Streamer;
+import org.onap.aaf.auth.env.AuthzTrans;
+import org.onap.aaf.auth.layer.Result;
+import org.onap.aaf.misc.env.APIException;
+import org.onap.aaf.misc.env.util.Chrono;
+
+import com.datastax.driver.core.Cluster;
+import com.datastax.driver.core.Row;
+
+/**
+ * CredDAO manages credentials. 
+ * @author Jonathan
+ * Date: 7/19/13
+ */
+public class CredDAO extends CassDAOImpl<AuthzTrans,CredDAO.Data> {
+    public static final String TABLE = "cred";
+    public static final int CACHE_SEG = 0x40; // yields segment 0x0-0x3F
+       public static final int RAW = -1;
+    public static final int BASIC_AUTH = 1;
+    public static final int BASIC_AUTH_SHA256 = 2;
+    public static final int CERT_SHA256_RSA =200;
+    
+    private HistoryDAO historyDAO;
+       private CIDAO<AuthzTrans> infoDAO;
+       private PSInfo psNS;
+       private PSInfo psID;
+       
+    public CredDAO(AuthzTrans trans, Cluster cluster, String keyspace) throws APIException, IOException {
+        super(trans, CredDAO.class.getSimpleName(),cluster, keyspace, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
+        init(trans);
+    }
+
+    public CredDAO(AuthzTrans trans, HistoryDAO hDao, CacheInfoDAO ciDao) throws APIException, IOException {
+        super(trans, CredDAO.class.getSimpleName(),hDao, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
+        historyDAO = hDao;
+        infoDAO = ciDao;
+        init(trans);
+    }
+
+    public static final int KEYLIMIT = 3;
+       public static class Data extends CacheableData implements Bytification {
+       
+               public String                           id;
+        public Integer                         type;
+        public Date                                    expires;
+        public Integer                                 other;
+               public String                                   ns;
+               public String                                   notes;
+        public ByteBuffer                              cred;  //   this is a blob in cassandra
+
+
+        @Override
+               public int[] invalidate(Cached<?,?> cache) {
+               return new int[] {
+                       seg(cache,id) // cache is for all entities
+               };
+               }
+        
+               @Override
+               public ByteBuffer bytify() throws IOException {
+                       ByteArrayOutputStream baos = new ByteArrayOutputStream();
+                       CredLoader.deflt.marshal(this,new DataOutputStream(baos));
+                       return ByteBuffer.wrap(baos.toByteArray());
+               }
+               
+               @Override
+               public void reconstitute(ByteBuffer bb) throws IOException {
+                       CredLoader.deflt.unmarshal(this, toDIS(bb));
+               }
+
+               public String toString() {
+                       return id + ' ' + type + ' ' + Chrono.dateTime(expires);
+               }
+    }
+
+    private static class CredLoader extends Loader<Data> implements Streamer<Data>{
+               public static final int MAGIC=153323443;
+       public static final int VERSION=1;
+       public static final int BUFF_SIZE=48; // Note: 
+
+       public static final CredLoader deflt = new CredLoader(KEYLIMIT);
+       public CredLoader(int keylimit) {
+            super(keylimit);
+        }
+
+       @Override
+        public Data load(Data data, Row row) {
+            data.id = row.getString(0);
+            data.type = row.getInt(1);    // NOTE: in datastax driver,  If the int value is NULL, 0 is returned!
+            data.expires = row.getTimestamp(2);
+            data.other = row.getInt(3);
+            data.ns = row.getString(4);     
+            data.notes = row.getString(5);
+            data.cred = row.getBytesUnsafe(6);            
+            return data;
+        }
+
+        @Override
+        protected void key(Data data, int _idx, Object[] obj) {
+           int idx = _idx;
+
+            obj[idx] = data.id;
+            obj[++idx] = data.type;
+            obj[++idx] = data.expires;
+        }
+
+        @Override
+        protected void body(Data data, int idx, Object[] obj) {
+            int i;
+            obj[i=idx] = data.other;
+            obj[++i] = data.ns;
+            obj[++i] = data.notes;
+            obj[++i] = data.cred;
+        }
+
+               @Override
+               public void marshal(Data data, DataOutputStream os) throws IOException {
+                       writeHeader(os,MAGIC,VERSION);
+                       writeString(os, data.id);
+                       os.writeInt(data.type); 
+                       os.writeLong(data.expires==null?-1:data.expires.getTime());
+                       os.writeInt(data.other==null?0:data.other);
+                       writeString(os, data.ns);
+                       writeString(os, data.notes);
+                       if(data.cred==null) {
+                               os.writeInt(-1);
+                       } else {
+                               int l = data.cred.limit()-data.cred.position();
+                               os.writeInt(l);
+                               os.write(data.cred.array(),data.cred.position(),l);
+                       }
+               }
+
+               @Override
+               public void unmarshal(Data data, DataInputStream is) throws IOException {
+                       /*int version = */readHeader(is,MAGIC,VERSION);
+                       // If Version Changes between Production runs, you'll need to do a switch Statement, and adequately read in fields
+                       byte[] buff = new byte[BUFF_SIZE];
+                       data.id = readString(is,buff);
+                       data.type = is.readInt();
+                       
+                       long l = is.readLong();
+                       data.expires = l<0?null:new Date(l);
+                       data.other = is.readInt();
+                       data.ns = readString(is,buff);
+                       data.notes = readString(is,buff);
+                       
+                       int i = is.readInt();
+                       if(i<0) {
+                               data.cred=null;
+                       } else {
+                               byte[] bytes = new byte[i]; // a bit dangerous, but lessened because of all the previous sized data reads
+                               is.read(bytes);
+                               data.cred = ByteBuffer.wrap(bytes);
+                       }
+               }
+    }
+
+    private void init(AuthzTrans trans) throws APIException, IOException {
+        // Set up sub-DAOs
+        if(historyDAO==null) {
+               historyDAO = new HistoryDAO(trans,this);
+        }
+               if(infoDAO==null) {
+                       infoDAO = new CacheInfoDAO(trans,this);
+               }
+               
+
+               String[] helpers = setCRUD(trans, TABLE, Data.class, CredLoader.deflt);
+               
+               psNS = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] + " FROM " + TABLE +
+                               " WHERE ns = ?", CredLoader.deflt,readConsistency);
+               
+               psID = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] + " FROM " + TABLE +
+                               " WHERE id = ?", CredLoader.deflt,readConsistency);
+    }
+    
+       public Result<List<Data>> readNS(AuthzTrans trans, String ns) {
+               return psNS.read(trans, R_TEXT, new Object[]{ns});
+       }
+       
+       public Result<List<Data>> readID(AuthzTrans trans, String id) {
+               return psID.read(trans, R_TEXT, new Object[]{id});
+       }
+       
+    /**
+     * Log Modification statements to History
+     *
+     * @param modified        which CRUD action was done
+     * @param data            entity data that needs a log entry
+     * @param overrideMessage if this is specified, we use it rather than crafting a history message based on data
+     */
+    @Override
+    protected void wasModified(AuthzTrans trans, CRUD modified, Data data, String ... override) {
+       boolean memo = override.length>0 && override[0]!=null;
+       boolean subject = override.length>1 && override[1]!=null;
+
+        HistoryDAO.Data hd = HistoryDAO.newInitedData();
+        hd.user = trans.user();
+        hd.action = modified.name();
+        hd.target = TABLE;
+        hd.subject = subject?override[1]: data.id;
+        hd.memo = memo
+                ? String.format("%s by %s", override[0], hd.user)
+                : (modified.name() + "d credential for " + data.id);
+        // Detail?
+               if(modified==CRUD.delete) {
+                               try {
+                                       hd.reconstruct = data.bytify();
+                               } catch (IOException e) {
+                                       trans.error().log(e,"Could not serialize CredDAO.Data");
+                               }
+                       }
+
+        if(historyDAO.create(trans, hd).status!=Status.OK) {
+               trans.error().log("Cannot log to History");
+        }
+        if(infoDAO.touch(trans, TABLE,data.invalidate(cache)).status!=Status.OK) {
+               trans.error().log("Cannot touch Cred");
+        }
+    }
+}