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Create implementation of InstanceCallback interface for new common files search query.

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This commit is contained in:
Andrew Ziehl 2018-06-26 14:33:14 -07:00
parent c3837e63e3
commit 01b7b327bd
4 changed files with 115 additions and 0 deletions
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49
Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/AbstractSqlEamDb.java
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@ -1778,6 +1778,55 @@ abstract class AbstractSqlEamDb implements EamDb {
}
}
/**
* Process the Artifact instance in the EamDb
*
* @param type EamArtifact.Type to search for
* @param correlationCase CorrelationCase to filter by
* @param instanceTableCallback callback to process the instance
* @throws EamDbException
*/
@Override
public void processCaseInstancesTable(CorrelationAttribute.Type type, CorrelationCase correlationCase, InstanceTableCallback instanceTableCallback) throws EamDbException {
if (type == null) {
throw new EamDbException("Correlation type is null");
}
if (instanceTableCallback == null) {
throw new EamDbException("Callback interface is null");
}
if(correlationCase == null) {
throw new EamDbException("Correlation Case is null");
}
Connection conn = connect();
PreparedStatement preparedStatement = null;
ResultSet resultSet = null;
String tableName = EamDbUtil.correlationTypeToInstanceTableName(type);
StringBuilder sql = new StringBuilder();
sql.append("SELECT value FROM ");
sql.append(tableName);
sql.append(" WHERE value IN (SELECT value FROM ");
sql.append(tableName);
sql.append(" WHERE case_id=? AND known_status !=?) GROUP BY value HAVING COUNT(DISTINCT case_id) > 1 ORDER BY value");
try {
preparedStatement = conn.prepareStatement(sql.toString());
preparedStatement.setString(1, correlationCase.getCaseUUID());
preparedStatement.setByte(2, TskData.FileKnown.KNOWN.getFileKnownValue());
resultSet = preparedStatement.executeQuery();
instanceTableCallback.process(resultSet);
} catch (SQLException ex) {
throw new EamDbException("Error getting all artifact instances from instances table", ex);
} finally {
EamDbUtil.closeStatement(preparedStatement);
EamDbUtil.closeResultSet(resultSet);
EamDbUtil.closeConnection(conn);
}
}
@Override
public EamOrganization newOrganization(EamOrganization eamOrg) throws EamDbException {
if (eamOrg == null) {

9
Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/EamDb.java
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@ -685,4 +685,13 @@ public interface EamDb {
* @throws EamDbException
*/
void processInstanceTable(CorrelationAttribute.Type type, InstanceTableCallback instanceTableCallback) throws EamDbException;
/**
* Process the Artifact md5s in the EamDb for matches of case files which are not known
* @param type EamArtifact.Type to search for
* @param correlationCase CorrelationCase to filter by
* @param instanceTableCallback callback to process the instance
* @throws EamDbException
*/
public void processCaseInstancesTable(CorrelationAttribute.Type type, CorrelationCase correlationCase, InstanceTableCallback instanceTableCallback) throws EamDbException;
}

17
Core/src/org/sleuthkit/autopsy/centralrepository/datamodel/SqliteEamDb.java
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@ -695,6 +695,23 @@ final class SqliteEamDb extends AbstractSqlEamDb {
releaseSharedLock();
}
}
/**
* Process the Artifact md5s in the EamDb for matches of case files which are not known
* @param type EamArtifact.Type to search for
* @param correlationCase CorrelationCase to filter by
* @param instanceTableCallback callback to process the instance
* @throws EamDbException
*/
@Override
public void processCaseInstancesTable(CorrelationAttribute.Type type, CorrelationCase correlationCase, InstanceTableCallback instanceTableCallback) throws EamDbException {
try {
acquireSharedLock();
super.processCaseInstancesTable(type, correlationCase, instanceTableCallback);
} finally {
releaseSharedLock();
}
}
/**
* Check whether a reference set with the given name/version is in the central repo.
* Used to check for name collisions when creating reference sets.

40
Core/src/org/sleuthkit/autopsy/commonfilesearch/EamDbAttributeInstanceValuesCallback.java Normal file
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@ -0,0 +1,40 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package org.sleuthkit.autopsy.commonfilesearch;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.openide.util.Exceptions;
import org.sleuthkit.autopsy.centralrepository.datamodel.InstanceTableCallback;
/**
*
* @author Andrrew
*/
public class EamDbAttributeInstanceValuesCallback implements InstanceTableCallback {
List<String> correlationValues = new ArrayList<>();
@Override
public void process(ResultSet resultSet) {
try {
while(resultSet.next()){
correlationValues.add(InstanceTableCallback.getValue(resultSet));
}
} catch (SQLException ex) {
Exceptions.printStackTrace(ex);
}
}
public List<String> getCorrelationValues() {
return Collections.unmodifiableList(correlationValues);
}
}