trunk/src/ooxml/testcases/org/apache/poi/xwpf/TestDocumentProtection.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.xwpf;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

import org.apache.poi.poifs.crypt.CryptoFunctions;
import org.apache.poi.poifs.crypt.HashAlgorithm;
import org.apache.poi.util.TempFile;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.junit.Test;

public class TestDocumentProtection {

    @Test
    public void testShouldReadEnforcementProperties() throws Exception {

        XWPFDocument documentWithoutDocumentProtectionTag = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
        assertFalse(documentWithoutDocumentProtectionTag.isEnforcedReadonlyProtection());
        assertFalse(documentWithoutDocumentProtectionTag.isEnforcedFillingFormsProtection());
        assertFalse(documentWithoutDocumentProtectionTag.isEnforcedCommentsProtection());
        assertFalse(documentWithoutDocumentProtectionTag.isEnforcedTrackedChangesProtection());

        XWPFDocument documentWithoutEnforcement = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection_tag_existing.docx");
        assertFalse(documentWithoutEnforcement.isEnforcedReadonlyProtection());
        assertFalse(documentWithoutEnforcement.isEnforcedFillingFormsProtection());
        assertFalse(documentWithoutEnforcement.isEnforcedCommentsProtection());
        assertFalse(documentWithoutEnforcement.isEnforcedTrackedChangesProtection());

        XWPFDocument documentWithReadonlyEnforcement = XWPFTestDataSamples.openSampleDocument("documentProtection_readonly_no_password.docx");
        assertTrue(documentWithReadonlyEnforcement.isEnforcedReadonlyProtection());
        assertFalse(documentWithReadonlyEnforcement.isEnforcedFillingFormsProtection());
        assertFalse(documentWithReadonlyEnforcement.isEnforcedCommentsProtection());
        assertFalse(documentWithReadonlyEnforcement.isEnforcedTrackedChangesProtection());

        XWPFDocument documentWithFillingFormsEnforcement = XWPFTestDataSamples.openSampleDocument("documentProtection_forms_no_password.docx");
        assertTrue(documentWithFillingFormsEnforcement.isEnforcedFillingFormsProtection());
        assertFalse(documentWithFillingFormsEnforcement.isEnforcedReadonlyProtection());
        assertFalse(documentWithFillingFormsEnforcement.isEnforcedCommentsProtection());
        assertFalse(documentWithFillingFormsEnforcement.isEnforcedTrackedChangesProtection());

        XWPFDocument documentWithCommentsEnforcement = XWPFTestDataSamples.openSampleDocument("documentProtection_comments_no_password.docx");
        assertFalse(documentWithCommentsEnforcement.isEnforcedFillingFormsProtection());
        assertFalse(documentWithCommentsEnforcement.isEnforcedReadonlyProtection());
        assertTrue(documentWithCommentsEnforcement.isEnforcedCommentsProtection());
        assertFalse(documentWithCommentsEnforcement.isEnforcedTrackedChangesProtection());

        XWPFDocument documentWithTrackedChangesEnforcement = XWPFTestDataSamples.openSampleDocument("documentProtection_trackedChanges_no_password.docx");
        assertFalse(documentWithTrackedChangesEnforcement.isEnforcedFillingFormsProtection());
        assertFalse(documentWithTrackedChangesEnforcement.isEnforcedReadonlyProtection());
        assertFalse(documentWithTrackedChangesEnforcement.isEnforcedCommentsProtection());
        assertTrue(documentWithTrackedChangesEnforcement.isEnforcedTrackedChangesProtection());

    }

    @Test
    public void testShouldEnforceForReadOnly() throws Exception {
        //		XWPFDocument document = createDocumentFromSampleFile("test-data/document/documentProtection_no_protection.docx");
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
        assertFalse(document.isEnforcedReadonlyProtection());

        document.enforceReadonlyProtection();

        assertTrue(document.isEnforcedReadonlyProtection());
    }

    @Test
    public void testShouldEnforceForFillingForms() throws Exception {
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
        assertFalse(document.isEnforcedFillingFormsProtection());

        document.enforceFillingFormsProtection();

        assertTrue(document.isEnforcedFillingFormsProtection());
    }

    @Test
    public void testShouldEnforceForComments() throws Exception {
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
        assertFalse(document.isEnforcedCommentsProtection());

        document.enforceCommentsProtection();

        assertTrue(document.isEnforcedCommentsProtection());
    }

    @Test
    public void testShouldEnforceForTrackedChanges() throws Exception {
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
        assertFalse(document.isEnforcedTrackedChangesProtection());

        document.enforceTrackedChangesProtection();

        assertTrue(document.isEnforcedTrackedChangesProtection());
    }

    @Test
    public void testShouldUnsetEnforcement() throws Exception {
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_readonly_no_password.docx");
        assertTrue(document.isEnforcedReadonlyProtection());

        document.removeProtectionEnforcement();

        assertFalse(document.isEnforcedReadonlyProtection());
    }

    @Test
    public void testIntegration() throws Exception {
        XWPFDocument doc = new XWPFDocument();

        XWPFParagraph p1 = doc.createParagraph();

        XWPFRun r1 = p1.createRun();
        r1.setText("Lorem ipsum dolor sit amet.");
        doc.enforceCommentsProtection();

        File tempFile = TempFile.createTempFile("documentProtectionFile", ".docx");
        FileOutputStream out = new FileOutputStream(tempFile);

        doc.write(out);
        out.close();

        FileInputStream inputStream = new FileInputStream(tempFile);
        XWPFDocument document = new XWPFDocument(inputStream);
        inputStream.close();

        assertTrue(document.isEnforcedCommentsProtection());
    }

    @Test
    public void testUpdateFields() throws Exception {
        XWPFDocument doc = new XWPFDocument();
        assertFalse(doc.isEnforcedUpdateFields());
        doc.enforceUpdateFields();
        assertTrue(doc.isEnforcedUpdateFields());
    }

    @Test
    public void bug56076_read() throws Exception {
        // test legacy xored-hashed password
        assertEquals("64CEED7E", CryptoFunctions.xorHashPassword("Example"));
        // check leading 0
        assertEquals("0005CB00", CryptoFunctions.xorHashPassword("34579"));

        // test document write protection with password
        XWPFDocument document = XWPFTestDataSamples.openSampleDocument("bug56076.docx");
        boolean isValid = document.validateProtectionPassword("Example");
        assertTrue(isValid);
    }

    @Test
    public void bug56076_write() throws Exception {
        // test document write protection with password
        XWPFDocument document = new XWPFDocument();
        document.enforceCommentsProtection("Example", HashAlgorithm.sha512);
        document = XWPFTestDataSamples.writeOutAndReadBack(document);
        boolean isValid = document.validateProtectionPassword("Example");
        assertTrue(isValid);
    }
}