What Is poi-ooxml-5.2.3.jar?

poi-ooxml-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.

poi-ooxml-5.2.3.jar supports Apache POI components that read and write Microsoft's Open Office XML document format, which is used in recent versions of Microsoft Office tools like Word 2007, Excel 2007, PowerPoint 2007, etc.

poi-ooxml-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.

JAR File Size and Download Location:

JAR name: poi-ooxml-5.2.3.jar
Target JDK version: 9
Dependency:
   poi.jar
   xmlbeans.jar
   ooxml-schemas.jar
   commons-collections.jar
   junit.jar   

File name: poi-ooxml.jar, poi-ooxml-5.2.3.jar
File size: 2010497 bytes
Release date: 09-09-2022
Download: Apache POI Website

Here are Java Source Code files for poi-ooxml-5.2.3.jar:

⏎ org/apache/poi/poifs/crypt/dsig/KeyInfoKeySelector.java

/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You 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.
==================================================================== */

/* ====================================================================
   This product contains an ASLv2 licensed version of the OOXML signer
   package from the eID Applet project
   http://code.google.com/p/eid-applet/source/browse/trunk/README.txt
   Copyright (C) 2008-2014 FedICT.
   ================================================================= */

package org.apache.poi.poifs.crypt.dsig;

import java.security.Key;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

import javax.xml.crypto.AlgorithmMethod;
import javax.xml.crypto.KeySelector;
import javax.xml.crypto.KeySelectorException;
import javax.xml.crypto.KeySelectorResult;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.XMLStructure;
import javax.xml.crypto.dsig.keyinfo.KeyInfo;
import javax.xml.crypto.dsig.keyinfo.X509Data;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/**
 * JSR105 key selector implementation using the ds:KeyInfo data of the signature
 * itself.
 */
public class KeyInfoKeySelector extends KeySelector implements KeySelectorResult {

    private static final Logger LOG = LogManager.getLogger(KeyInfoKeySelector.class);

    private final List<X509Certificate> certChain = new ArrayList<>();

    @SuppressWarnings("unchecked")
    @Override
    public KeySelectorResult select(KeyInfo keyInfo, Purpose purpose, AlgorithmMethod method, XMLCryptoContext context) throws KeySelectorException {
        LOG.atDebug().log("select key");
        if (null == keyInfo) {
            throw new KeySelectorException("no ds:KeyInfo present");
        }
        List<XMLStructure> keyInfoContent = keyInfo.getContent();
        certChain.clear();
        for (XMLStructure keyInfoStructure : keyInfoContent) {
            if (!(keyInfoStructure instanceof X509Data)) {
                continue;
            }
            X509Data x509Data = (X509Data) keyInfoStructure;
            List<?> x509DataList = x509Data.getContent();
            for (Object x509DataObject : x509DataList) {
                if (!(x509DataObject instanceof X509Certificate)) {
                    continue;
                }
                X509Certificate certificate = (X509Certificate) x509DataObject;
                LOG.atDebug().log("certificate: {}", certificate.getSubjectX500Principal());
                certChain.add(certificate);
            }
        }
        if (certChain.isEmpty()) {
            throw new KeySelectorException("No key found!");
        }
        return this;
    }

    public Key getKey() {
        // The first certificate is presumably the signer.
        return certChain.isEmpty() ? null : certChain.get(0).getPublicKey();
    }

    /**
     * Gives back the X509 certificate used during the last signature
     * verification operation.
     *
     * @return the certificate which was used to sign the xml content
     */
    public X509Certificate getSigner() {
        // The first certificate is presumably the signer.
        return certChain.isEmpty() ? null : certChain.get(0);
    }

    public List<X509Certificate> getCertChain() {
        return certChain;
    }
}

⏎ org/apache/poi/poifs/crypt/dsig/KeyInfoKeySelector.java

Or download all of them as a single archive file:

File name: poi-ooxml-5.2.3-src.zip
File size: 1396572 bytes
Release date: 2022-09-09
Download 

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