TestXWPFBugs.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.jupiter.api.Assertions.*;
import static org.junit.jupiter.api.Assumptions.assumeTrue;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import javax.crypto.Cipher;

import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.poi.POIDataSamples;
import org.apache.poi.POIException;
import org.apache.poi.ooxml.POIXMLException;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackagePartName;
import org.apache.poi.openxml4j.opc.PackagingURIHelper;
import org.apache.poi.poifs.crypt.CipherAlgorithm;
import org.apache.poi.poifs.crypt.Decryptor;
import org.apache.poi.poifs.crypt.EncryptionInfo;
import org.apache.poi.poifs.crypt.HashAlgorithm;
import org.apache.poi.poifs.filesystem.Ole10Native;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
import org.apache.poi.xwpf.usermodel.*;
import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.XmlException;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.DocumentDocument;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STJcTable;

class TestXWPFBugs {
    private static final POIDataSamples samples = POIDataSamples.getDocumentInstance();

    @Test()
    void truncatedDocx() {
        //started failing after uptake of commons-compress 1.21
        assertThrows(IOException.class, () -> {
            try (InputStream fis = samples.openResourceAsStream("truncated62886.docx");
                 OPCPackage opc = OPCPackage.open(fis)) {
                assertNotNull(opc);
                //XWPFWordExtractor ext = new XWPFWordExtractor(opc)) {
                //assertNotNull(ext.getText());
            }
        });
    }

    /**
     * A Word document that's encrypted with non-standard
     * Encryption options, and no cspname section. See bug 53475
     */
    @Test
    void bug53475NoCSPName() throws Exception {
        File file = samples.getFile("bug53475-password-is-solrcell.docx");
        POIFSFileSystem filesystem = new POIFSFileSystem(file, true);

        // Check the encryption details
        EncryptionInfo info = new EncryptionInfo(filesystem);
        assertEquals(128, info.getHeader().getKeySize());
        assertEquals(CipherAlgorithm.aes128, info.getHeader().getCipherAlgorithm());
        assertEquals(HashAlgorithm.sha1, info.getHeader().getHashAlgorithm());

        // Check it can be decoded
        Decryptor d = Decryptor.getInstance(info);
        assertTrue(d.verifyPassword("solrcell"), "Unable to process: document is encrypted");

        // Check we can read the Word document in that
        InputStream dataStream = d.getDataStream(filesystem);
        OPCPackage opc = OPCPackage.open(dataStream);
        XWPFDocument doc = new XWPFDocument(opc);
        XWPFWordExtractor ex = new XWPFWordExtractor(doc);
        String text = ex.getText();
        assertNotNull(text);
        assertEquals("This is password protected Word document.", text.trim());
        ex.close();

        filesystem.close();
    }

    /**
     * A Word document with aes-256, i.e. aes is always 128 bit (= 128 bit block size),
     * but the key can be 128/192/256 bits
     */
    @Test
    void bug53475_aes256() throws Exception {
        int maxKeyLen = Cipher.getMaxAllowedKeyLength("AES");
        assumeTrue(maxKeyLen == 0x7FFFFFFF, "Please install JCE Unlimited Strength Jurisdiction Policy files for AES 256");

        File file = samples.getFile("bug53475-password-is-pass.docx");
        POIFSFileSystem filesystem = new POIFSFileSystem(file, true);

        // Check the encryption details
        EncryptionInfo info = new EncryptionInfo(filesystem);
        assertEquals(16, info.getHeader().getBlockSize());
        assertEquals(256, info.getHeader().getKeySize());
        assertEquals(CipherAlgorithm.aes256, info.getHeader().getCipherAlgorithm());
        assertEquals(HashAlgorithm.sha1, info.getHeader().getHashAlgorithm());

        // Check it can be decoded
        Decryptor d = Decryptor.getInstance(info);
        assertTrue(d.verifyPassword("pass"), "Unable to process: document is encrypted");

        // Check we can read the Word document in that
        InputStream dataStream = d.getDataStream(filesystem);
        OPCPackage opc = OPCPackage.open(dataStream);
        XWPFDocument doc = new XWPFDocument(opc);
        XWPFWordExtractor ex = new XWPFWordExtractor(doc);
        String text = ex.getText();
        assertNotNull(text);
        // I know ... a stupid typo, maybe next time ...
        assertEquals("The is a password protected document.", text.trim());
        ex.close();

        filesystem.close();
    }


    @Test
    void bug59058() throws IOException, XmlException {
        String[] files = {"bug57031.docx", "bug59058.docx"};
        for (String f : files) {
            try (ZipFile zf = ZipFile.builder().setFile(samples.getFile(f)).get()) {
                ZipArchiveEntry entry = zf.getEntry("word/document.xml");
                DocumentDocument document = DocumentDocument.Factory.parse(zf.getInputStream(entry));
                assertNotNull(document);
            }
        }
    }

    @Test
    void missingXsbs() throws IOException, XmlException {
        String[] files = {"bib-chernigovka.netdo.ru_download_docs_17459.docx"};
        for (String f : files) {
            try (ZipFile zf = ZipFile.builder().setFile(samples.getFile(f)).get()) {
                ZipArchiveEntry entry = zf.getEntry("word/document.xml");
                DocumentDocument document = DocumentDocument.Factory.parse(zf.getInputStream(entry));
                assertNotNull(document);
            }
        }
    }

    @Test
    void bug65649() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug65649.docx"))) {
            assertEquals(731, document.getParagraphs().size());
        }
    }

    @Test
    void tika3388() throws Exception {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("tika-3388.docx"))) {
            assertEquals(1, document.getParagraphs().size());
            PackagePartName partName = PackagingURIHelper.createPartName("/word/embeddings/oleObject1.bin");
            PackagePart part = document.getPackage().getPart(partName);
            assertNotNull(part);
            try (
                InputStream partStream = part.getInputStream();
                POIFSFileSystem poifs = new POIFSFileSystem(partStream)
            ) {
                Ole10Native ole = Ole10Native.createFromEmbeddedOleObject(poifs);
                String fn = "C:\\Users\\ross\\AppData\\Local\\Microsoft\\Windows\\INetCache\\Content.Word\\���������������������\uD83D\uDD96.msg";
                assertEquals(fn, ole.getFileName());
                assertEquals(fn, ole.getFileName2());
            }
        }
    }

    @Test
    void insertParagraphDirectlyIntoBody() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug66312.docx"))) {
            XWPFParagraph paragraph = document.getParagraphArray(0);
            insertParagraph(paragraph, document);
            assertEquals("Hello", document.getParagraphArray(0).getText());
            assertEquals("World", document.getParagraphArray(1).getText());
        }
    }

    @Test
    void insertTableDirectlyIntoBody() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug66312.docx"))) {
            XWPFParagraph paragraph = document.getParagraphArray(0);
            insertTable(paragraph, document);
            assertEquals("Hello", document.getTableArray(0).getRow(0).getCell(0).getText());
            assertEquals("World", document.getParagraphArray(0).getText());
        }
    }

    @Test
    void insertParagraphIntoTable() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug66312.docx"))) {
            XWPFTableCell cell = document.getTableArray(0).getRow(0).getCell(0);
            XWPFParagraph paragraph = cell.getParagraphArray(0);
            insertParagraph(paragraph, document);
            assertEquals("Hello", cell.getParagraphArray(0).getText());
            assertEquals("World", cell.getParagraphArray(1).getText());
        }
    }

    @Test
    void insertTableIntoTable() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug66312.docx"))) {
            XWPFTableCell cell = document.getTableArray(0).getRow(0).getCell(0);
            XWPFParagraph paragraph = cell.getParagraphArray(0);
            insertTable(paragraph, document);
            assertEquals("Hello", cell.getTableArray(0).getRow(0).getCell(0).getText());
            assertEquals("World", cell.getParagraphArray(0).getText());
        }
    }


    public static void insertParagraph(XWPFParagraph xwpfParagraph, XWPFDocument document) {
        XmlCursor xmlCursor = xwpfParagraph.getCTP().newCursor();
        XWPFParagraph xwpfParagraph2 = document.insertNewParagraph(xmlCursor);
        xwpfParagraph2.createRun().setText("Hello");
    }

    public static void insertTable(XWPFParagraph xwpfParagraph, XWPFDocument document) {
        XmlCursor xmlCursor = xwpfParagraph.getCTP().newCursor();
        XWPFTable xwpfTable = document.insertNewTbl(xmlCursor);
        xwpfTable.getRow(0).getCell(0).setText("Hello");
    }

    @Test
    void correctParagraphAlignment() throws IOException {
        try (XWPFDocument document = new XWPFDocument(samples.openResourceAsStream("bug-paragraph-alignment.docx"))) {
            XWPFParagraph centeredParagraph = document.getParagraphArray(0);
            assertFalse(centeredParagraph.isAlignmentSet());
            assertEquals(ParagraphAlignment.LEFT, centeredParagraph.getAlignment()); // LEFT is a fallback value here.

            XWPFParagraph leftParagraph = document.getParagraphArray(1);
            assertTrue(leftParagraph.isAlignmentSet());
            assertEquals(ParagraphAlignment.LEFT, leftParagraph.getAlignment()); // LEFT is the real alignment value.
        }
    }

    @Test
    public void testTableRightAlign() throws Exception {
        // Document contains all possible values for table alignment, including null.
        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("table-alignment.docx")) {
            XWPFTable tbl0 = doc.getTableArray(0);
            assertNull(tbl0.getTableAlignment());
            assertFalse(tbl0.getCTTbl().getTblPr().isSetJc());
            XWPFTable tbl1 = doc.getTableArray(1);
            assertEquals(TableRowAlign.LEFT, tbl1.getTableAlignment());
            assertEquals(STJcTable.LEFT, tbl1.getCTTbl().getTblPr().getJc().xgetVal().getEnumValue());
            XWPFTable tbl2 = doc.getTableArray(2);
            assertEquals(TableRowAlign.START, tbl2.getTableAlignment());
            assertEquals(STJcTable.START, tbl2.getCTTbl().getTblPr().getJc().xgetVal().getEnumValue());
            XWPFTable tbl3 = doc.getTableArray(3);
            assertEquals(TableRowAlign.CENTER, tbl3.getTableAlignment());
            assertEquals(STJcTable.CENTER, tbl3.getCTTbl().getTblPr().getJc().xgetVal().getEnumValue());
            XWPFTable tbl4 = doc.getTableArray(4);
            assertEquals(TableRowAlign.RIGHT, tbl4.getTableAlignment());
            assertEquals(STJcTable.RIGHT, tbl4.getCTTbl().getTblPr().getJc().xgetVal().getEnumValue());
            XWPFTable tbl5 = doc.getTableArray(5);
            assertEquals(TableRowAlign.END, tbl5.getTableAlignment());
            assertEquals(STJcTable.END, tbl5.getCTTbl().getTblPr().getJc().xgetVal().getEnumValue());
        }
    }

    @Test
    public void testDeepTableCell() {
        try {
            // Document contains a table with nested cells.
            //noinspection resource
            XWPFTestDataSamples.openSampleDocument("deep-table-cell.docx");
            fail("Should catch exception");
        } catch (POIXMLException e) {
            // JDK 25+ does more checks, so more than one exception are possible
            assertTrue(e.getMessage().contains("The element \"w:t\" has a depth"),
                    "Had: " + e);
        } catch (IOException e) {
            assertInstanceOf(POIException.class, e.getCause());
            assertTrue(e.getMessage().contains("Node depth exceeds maximum supported depth"));
        }
    }
}