SingleInterCaseCommonAttributeSearcher.java

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/*
 *
 * Autopsy Forensic Browser
 *
 * Copyright 2018-2019 Basis Technology Corp.
 * Contact: carrier <at> sleuthkit <dot> org
 *
 * 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.
 */
package org.sleuthkit.autopsy.commonpropertiessearch;

import java.sql.SQLException;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.openide.util.NbBundle;
import org.sleuthkit.autopsy.casemodule.Case;
import org.sleuthkit.autopsy.casemodule.NoCurrentCaseException;
import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationCase;
import org.sleuthkit.autopsy.centralrepository.datamodel.CentralRepoException;
import org.sleuthkit.datamodel.TskCoreException;
import org.sleuthkit.autopsy.centralrepository.datamodel.CorrelationAttributeInstance.Type;
import static org.sleuthkit.autopsy.commonpropertiessearch.AbstractCommonAttributeSearcher.MEDIA_PICS_VIDEO_MIME_TYPES;

public class SingleInterCaseCommonAttributeSearcher extends InterCaseCommonAttributeSearcher {

    private final int corrleationCaseId;
    private String correlationCaseName;

    public SingleInterCaseCommonAttributeSearcher(int correlationCaseId, boolean filterByMediaMimeType,
            boolean filterByDocMimeType, Type corAttrType, int percentageThreshold) throws CentralRepoException {
        super(filterByMediaMimeType, filterByDocMimeType, corAttrType, percentageThreshold);

        this.corrleationCaseId = correlationCaseId;
        this.correlationCaseName = "";
    }

    @Override
    public CommonAttributeCountSearchResults findMatchesByCount() throws TskCoreException, NoCurrentCaseException, SQLException, CentralRepoException {

        CorrelationCase correlationCase = this.getCorrelationCaseFromId(this.corrleationCaseId);
        this.correlationCaseName = correlationCase.getDisplayName();
        InterCaseSearchResultsProcessor eamDbAttrInst = new InterCaseSearchResultsProcessor(this.corAttrType);
        Set<String> mimeTypesToFilterOn = new HashSet<>();
        if (isFilterByMedia()) {
            mimeTypesToFilterOn.addAll(MEDIA_PICS_VIDEO_MIME_TYPES);
        }
        if (isFilterByDoc()) {
            mimeTypesToFilterOn.addAll(TEXT_FILES_MIME_TYPES);
        }
        Map<Integer, CommonAttributeValueList> interCaseCommonFiles = eamDbAttrInst.findSingleInterCaseValuesByCount(Case.getCurrentCase(), mimeTypesToFilterOn, correlationCase);

        return new CommonAttributeCountSearchResults(interCaseCommonFiles, this.frequencyPercentageThreshold, this.corAttrType);
    }

    @Override
    public CommonAttributeCaseSearchResults findMatchesByCase() throws TskCoreException, NoCurrentCaseException, SQLException, CentralRepoException {

        CorrelationCase correlationCase = this.getCorrelationCaseFromId(this.corrleationCaseId);
        this.correlationCaseName = correlationCase.getDisplayName();
        InterCaseSearchResultsProcessor eamDbAttrInst = new InterCaseSearchResultsProcessor(this.corAttrType);
        Set<String> mimeTypesToFilterOn = new HashSet<>();
        if (isFilterByMedia()) {
            mimeTypesToFilterOn.addAll(MEDIA_PICS_VIDEO_MIME_TYPES);
        }
        if (isFilterByDoc()) {
            mimeTypesToFilterOn.addAll(TEXT_FILES_MIME_TYPES);
        }
        Map<String, Map<String, CommonAttributeValueList>> interCaseCommonFiles = eamDbAttrInst.findSingleInterCaseValuesByCase(Case.getCurrentCase(), mimeTypesToFilterOn, correlationCase);

        return new CommonAttributeCaseSearchResults(interCaseCommonFiles, this.frequencyPercentageThreshold, this.corAttrType);
    }

    @NbBundle.Messages({
        "# {0} - case name",
        "# {1} - attr type",
        "# {2} - threshold string",
        "SingleInterCaseCommonAttributeSearcher.buildTabTitle.titleInterSingle=Common Properties (Central Repository Case: {0}, {1}{2})"})

    @Override
    String getTabTitle() {
        String typeString = this.corAttrType.getDisplayName();
        if (typeString.equals("Files")) {
            typeString = this.buildCategorySelectionString();
        }
        return Bundle.SingleInterCaseCommonAttributeSearcher_buildTabTitle_titleInterSingle(this.correlationCaseName, typeString, this.getPercentThresholdString());
    }
}