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/**
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ===========================================================================
* Modifications Copyright (C) 2018 IBM.
* ===========================================================================
* 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.batch.helpers;
import java.security.cert.X509Certificate;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import org.onap.aaf.auth.batch.helpers.Cred.Instance;
import org.onap.aaf.auth.batch.helpers.ExpireRange.Range;
import org.onap.aaf.cadi.util.CSV;
import org.onap.aaf.misc.env.Env;
import org.onap.aaf.misc.env.TimeTaken;
import org.onap.aaf.misc.env.Trans;
import org.onap.aaf.misc.env.util.Split;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.Row;
import com.datastax.driver.core.Session;
import com.datastax.driver.core.SimpleStatement;
import com.datastax.driver.core.Statement;
public class LastNotified {
private Map<String,Date> lastNotified = new TreeMap<>();
private Session session;
private static final Date never = new Date(0);
private static final String SELECT = "SELECT user,target,key,last FROM authz.notified";
public LastNotified(Session session) {
this.session = session;
}
public void add(Set<String> users) {
StringBuilder query = new StringBuilder();
startQuery(query);
int cnt = 0;
for(String user : users) {
if(++cnt>1) {
query.append(',');
}
query.append('\'');
query.append(user);
query.append('\'');
if(cnt>=30) {
endQuery(query);
add(session.execute(query.toString()),lastNotified, (x,y) -> false);
query.setLength(0);
startQuery(query);
cnt=0;
}
}
if(cnt>0) {
endQuery(query);
add(session.execute(query.toString()),lastNotified, (x,y) -> false);
}
}
/**
* Note: target_key CAN also contain a Pipe.
*
* @param user
* @param target
* @param target_key
* @return
*/
public Date lastNotified(String user, String target, String target_key) {
String key = user + '|' + target + '|' + target_key;
return lastNotified(key);
}
public Date lastNotified(String key) {
Date rv = lastNotified.get(key);
if(rv==null) {
rv = never;
lastNotified.put(key, rv);
}
return rv;
}
private Date add(ResultSet result, Map<String, Date> lastNotified, MarkDelete md) {
Date last = null;
Row r;
for(Iterator<Row> iter = result.iterator(); iter.hasNext();) {
r = iter.next();
String ttKey = r.getString(1) + '|' +
r.getString(2);
String fullKey = r.getString(0) + '|' +
ttKey;
last=r.getTimestamp(3);
if(!md.process(fullKey, last)) {
lastNotified.put(fullKey, last);
Date d = lastNotified.get(ttKey);
if(d==null || d.after(last)) { // put most recent, if different
lastNotified.put(ttKey, last);
}
}
}
return last;
}
private interface MarkDelete {
public boolean process(String fullKey, Date last);
};
private void startQuery(StringBuilder query) {
query.append(SELECT + " WHERE user in (");
}
private void endQuery(StringBuilder query) {
query.append(");");
}
public void update(StringBuilder query,String user, String target, String key) {
query.append("UPDATE authz.notified SET last=dateof(now()) WHERE user='");
query.append(user);
query.append("' AND target='");
query.append(target);
query.append("' AND key='");
query.append(key);
query.append("';\n");
}
public LastNotified loadAll(Trans trans, final Range delRange, final CSV.Writer cw) {
trans.debug().log( "query: ",SELECT );
TimeTaken tt = trans.start("Read all LastNotified", Env.REMOTE);
ResultSet results;
try {
Statement stmt = new SimpleStatement( SELECT );
results = session.execute(stmt);
add(results,lastNotified, (fullKey, last) -> {
if(delRange.inRange(last)) {
String[] params = Split.splitTrim('|', fullKey,3);
if(params.length==3) {
cw.row("notified",params[0],params[1],params[2]);
return true;
}
}
return false;
});
} finally {
tt.done();
}
return this;
}
public static String newKey(UserRole ur) {
return "ur|" + ur.user() + '|'+ur.role();
}
public static String newKey(Cred cred, Instance inst) {
return "cred|" + cred.id + '|' + inst.type + '|' + inst.tag;
}
public static String newKey(X509 x509, X509Certificate x509Cert) {
return "x509|" + x509.id + '|' + x509Cert.getSerialNumber().toString();
}
public static void delete(StringBuilder query, List<String> row) {
query.append("DELETE FROM authz.notified WHERE user='");
query.append(row.get(1));
query.append("' AND target='");
query.append(row.get(2));
query.append("' AND key='");
query.append(row.get(3));
query.append("';\n");
}
}
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