auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/LastNotified.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Modifications Copyright (C) 2019 IBM.
   8  * ===========================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END====================================================
  21  *
  22  */
  23 package org.onap.aaf.auth.batch.helpers;
  24
  25 import java.security.cert.X509Certificate;
  26 import java.util.Date;
  27 import java.util.Iterator;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Set;
  31 import java.util.TreeMap;
  32
  33 import org.onap.aaf.auth.batch.helpers.Cred.Instance;
  34 import org.onap.aaf.auth.batch.helpers.ExpireRange.Range;
  35 import org.onap.aaf.cadi.util.CSV;
  36 import org.onap.aaf.misc.env.Env;
  37 import org.onap.aaf.misc.env.TimeTaken;
  38 import org.onap.aaf.misc.env.Trans;
  39 import org.onap.aaf.misc.env.util.Split;
  40
  41 import com.datastax.driver.core.ResultSet;
  42 import com.datastax.driver.core.Row;
  43 import com.datastax.driver.core.Session;
  44 import com.datastax.driver.core.SimpleStatement;
  45 import com.datastax.driver.core.Statement;
  46
  47 public class LastNotified {
  48         private Map<String,Date> lastNotified = new TreeMap<>();
  49         private Session session;
  50         private static final Date never = new Date(0);
  51         private static final String SELECT = "SELECT user,target,key,last FROM authz.notified";
  52
  53         public LastNotified(Session session) {
  54                 this.session = session;
  55         }
  56
  57         public void add(Set<String> users) {
  58                 StringBuilder query = new StringBuilder();
  59                 startQuery(query);
  60                 int cnt = 0;
  61         for(String user : users) {
  62                 if(++cnt>1) {
  63                         query.append(',');
  64                 }
  65                 query.append('\'');
  66                 query.append(user);
  67                 query.append('\'');
  68                 if(cnt>=30) {
  69                         endQuery(query);
  70                         add(session.execute(query.toString()),lastNotified, (x,y) -> false);
  71                         query.setLength(0);
  72                         startQuery(query);
  73                         cnt=0;
  74                 }
  75         }
  76         if(cnt>0) {
  77                 endQuery(query);
  78                         add(session.execute(query.toString()),lastNotified, (x,y) -> false);
  79         }
  80         }
  81
  82         /**
  83          * Note: target_key CAN also contain a Pipe.
  84          *
  85          * @param user
  86          * @param target
  87          * @param targetkey
  88          * @return
  89          */
  90         public Date lastNotified(String user, String target, String targetkey) {
  91                 String key = user + '|' + target + '|' + targetkey;
  92                 return lastNotified(key);
  93         }
  94
  95         public Date lastNotified(String key) {
  96                 return lastNotified.computeIfAbsent(key, k -> never);
  97         }
  98
  99         private Date add(ResultSet result, Map<String, Date> lastNotified, MarkDelete md) {
 100                 Date last = null;
 101                 Row r;
 102         for(Iterator<Row> iter = result.iterator(); iter.hasNext();) {
 103                 r = iter.next();
 104                 String ttKey = r.getString(1) + '|' +
 105                                            r.getString(2);
 106
 107                 String fullKey = r.getString(0) + '|' +
 108                                          ttKey;
 109                 last=r.getTimestamp(3);
 110                 if(!md.process(fullKey, last)) {
 111                         lastNotified.put(fullKey, last);
 112                         Date d = lastNotified.get(ttKey);
 113                         if(d==null || d.after(last)) { // put most recent, if different
 114                                 lastNotified.put(ttKey, last);
 115                         }
 116                 }
 117         }
 118         return last;
 119         }
 120
 121         private interface MarkDelete {
 122                 boolean process(String fullKey, Date last);
 123         }
 124
 125         private void startQuery(StringBuilder query) {
 126                 query.append(SELECT + " WHERE user in (");
 127         }
 128
 129         private void endQuery(StringBuilder query) {
 130                 query.append(");");
 131         }
 132
 133         public void update(StringBuilder query,String user, String target, String key) {
 134                 query.append("UPDATE authz.notified SET last=dateof(now()) WHERE user='");
 135                 query.append(user);
 136                 query.append("' AND target='");
 137                 query.append(target);
 138                 query.append("' AND key='");
 139                 query.append(key);
 140                 query.append("';\n");
 141         }
 142
 143     public LastNotified loadAll(Trans trans, final Range delRange, final CSV.Writer cw) {
 144         trans.debug().log( "query: ",SELECT );
 145         TimeTaken tt = trans.start("Read all LastNotified", Env.REMOTE);
 146
 147         ResultSet results;
 148         try {
 149             Statement stmt = new SimpleStatement( SELECT );
 150             results = session.execute(stmt);
 151             add(results,lastNotified, (fullKey, last) ->  {
 152                 if(delRange.inRange(last)) {
 153                         String[] params = Split.splitTrim('|', fullKey,3);
 154                         if(params.length==3) {
 155                                 cw.row("notified",params[0],params[1],params[2]);
 156                                 return true;
 157                         }
 158                 }
 159                 return false;
 160             });
 161         } finally {
 162             tt.done();
 163         }
 164         return this;
 165     }
 166
 167         public static String newKey(UserRole ur) {
 168                 return "ur|" + ur.user() + '|'+ur.role();
 169         }
 170
 171         public static String newKey(Cred cred, Instance inst) {
 172                 return "cred|" + cred.id + '|' + inst.type + '|' + inst.tag;
 173         }
 174
 175         public static String newKey(X509 x509, X509Certificate x509Cert) {
 176                 return "x509|" + x509.id + '|' + x509Cert.getSerialNumber().toString();
 177         }
 178
 179         public static void delete(StringBuilder query, List<String> row) {
 180                 query.append("DELETE FROM authz.notified WHERE user='");
 181                 query.append(row.get(1));
 182                 query.append("' AND target='");
 183                 query.append(row.get(2));
 184                 query.append("' AND key='");
 185                 query.append(row.get(3));
 186                 query.append("';\n");
 187         }
 188
 189 }