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[MNT-23926] Added Seven Pass algorithm for deletion

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This commit is contained in:
Vedant Mehra
2025-02-12 14:52:44 +05:30
parent f763a3a6cc
commit fa516ef58f
4 changed files with 162 additions and 1 deletions
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2
amps/ags/rm-community/rm-community-repo/config/alfresco/module/org_alfresco_module_rm/alfresco-global.properties
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@@ -93,7 +93,7 @@ rm.record.contributors.group.name=RECORD_CONTRIBUTORS
# Content cleansing
#
rm.content.cleansing.enabled=false
rm.content.cleaner=contentCleanser.522022M
rm.content.cleaner=contentCleanser.SevenPass
# Indicates whether mandatory properties are checked before completing a record
#

3
amps/ags/rm-community/rm-community-repo/config/alfresco/module/org_alfresco_module_rm/content-context.xml
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@@ -33,5 +33,8 @@
<!-- content cleanser -->
<bean id="contentCleanser.522022M" class="org.alfresco.module.org_alfresco_module_rm.content.cleanser.ContentCleanser522022M"/>
<!-- content cleanser -->
<bean id="contentCleanser.SevenPass" class="org.alfresco.module.org_alfresco_module_rm.content.cleanser.ContentCleanserSevenPass"/>
</beans>

64
amps/ags/rm-community/rm-community-repo/source/java/org/alfresco/module/org_alfresco_module_rm/content/cleanser/ContentCleanserSevenPass.java Normal file
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@@ -0,0 +1,64 @@
/*
* #%L
* Alfresco Records Management Module
* %%
* Copyright (C) 2005 - 2025 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* -
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
* -
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* -
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
* -
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.module.org_alfresco_module_rm.content.cleanser;
import java.io.File;
import org.alfresco.service.cmr.repository.ContentIOException;
/**
* DoD 5220-22M Seven Pass data cleansing implementation.
*
*/
public class ContentCleanserSevenPass extends ContentCleanser
{
/**
* @see org.alfresco.module.org_alfresco_module_rm.content.cleanser.ContentCleanser#cleanse(java.io.File)
*/
@Override
public void cleanse(File file)
{
// Double check
if (!file.exists() || !file.canWrite())
{
throw new ContentIOException("Unable to write to file: " + file);
}
// Overwite file
overwrite(file, overwriteOnes);
overwrite(file, overwriteZeros);
overwrite(file, overwriteRandom);
overwrite(file, overwriteZeros);
overwrite(file, overwriteZeros);
overwrite(file, overwriteOnes);
overwrite(file, overwriteRandom);
}
}

94
amps/ags/rm-community/rm-community-repo/unit-test/java/org/alfresco/module/org_alfresco_module_rm/content/cleanser/ContentCleanserSevenPassUnitTest.java Normal file
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@@ -0,0 +1,94 @@
/*
* #%L
* Alfresco Records Management Module
* %%
* Copyright (C) 2005 - 2025 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* -
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
* -
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* -
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
* -
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.module.org_alfresco_module_rm.content.cleanser;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.File;
import org.alfresco.module.org_alfresco_module_rm.test.util.BaseUnitTest;
import org.alfresco.service.cmr.repository.ContentIOException;
import org.junit.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Spy;
/**
* Eager content store cleaner unit test.
*
*/
public class ContentCleanserSevenPassUnitTest extends BaseUnitTest {
@InjectMocks
@Spy
private ContentCleanserSevenPass contentCleanserSevenPass = new ContentCleanserSevenPass() {
/** dummy implementations */
protected void overwrite(File file, OverwriteOperation overwriteOperation) {
}
};
@Mock
private File mockedFile;
/**
* Given that a file exists When I cleanse it Then the content is overwritten
*/
@Test
public void cleanseFile() {
when(mockedFile.exists()).thenReturn(true);
when(mockedFile.canWrite()).thenReturn(true);
contentCleanserSevenPass.cleanse(mockedFile);
verify(contentCleanserSevenPass, times(2)).overwrite(mockedFile, contentCleanserSevenPass.overwriteOnes);
verify(contentCleanserSevenPass, times(3)).overwrite(mockedFile, contentCleanserSevenPass.overwriteZeros);
verify(contentCleanserSevenPass, times(2)).overwrite(mockedFile, contentCleanserSevenPass.overwriteRandom);
}
/**
* Given that the file does not exist When I cleanse it Then an exception is
* thrown
*/
@Test(expected = ContentIOException.class)
public void fileDoesNotExist() {
when(mockedFile.exists()).thenReturn(false);
when(mockedFile.canWrite()).thenReturn(true);
contentCleanserSevenPass.cleanse(mockedFile);
}
/**
* Given that I can not write to the file When I cleanse it Then an exception is
* thrown
*/
@Test(expected = ContentIOException.class)
public void cantWriteToFile() {
when(mockedFile.exists()).thenReturn(true);
when(mockedFile.canWrite()).thenReturn(false);
contentCleanserSevenPass.cleanse(mockedFile);
}
}