feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/security/provider/certpath/X509CertPath.java

@@ -0,0 +1,409 @@
+/*
+ * Copyright (c) 2000, 2023, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.provider.certpath;
+
+import java.io.*;
+import java.security.cert.CertificateEncodingException;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.CertPath;
+import java.security.cert.X509Certificate;
+import java.util.*;
+
+import sun.security.pkcs.ContentInfo;
+import sun.security.pkcs.PKCS7;
+import sun.security.pkcs.SignerInfo;
+import sun.security.x509.AlgorithmId;
+import sun.security.util.DerValue;
+import sun.security.util.DerOutputStream;
+import sun.security.util.DerInputStream;
+
+/**
+ * A {@link java.security.cert.CertPath CertPath} (certification path)
+ * consisting exclusively of
+ * {@link java.security.cert.X509Certificate X509Certificate}s.
+ * <p>
+ * By convention, X.509 <code>CertPath</code>s are stored from target
+ * to trust anchor.
+ * That is, the issuer of one certificate is the subject of the following
+ * one. However, unvalidated X.509 <code>CertPath</code>s may not follow
+ * this convention. PKIX <code>CertPathValidator</code>s will detect any
+ * departure from this convention and throw a
+ * <code>CertPathValidatorException</code>.
+ *
+ * @author      Yassir Elley
+ * @since       1.4
+ */
+public class X509CertPath extends CertPath {
+
+    private static final long serialVersionUID = 4989800333263052980L;
+
+    /**
+     * List of certificates in this chain
+     */
+    private List<X509Certificate> certs;
+
+    /**
+     * The names of our encodings.  PkiPath is the default.
+     */
+    private static final String COUNT_ENCODING = "count";
+    private static final String PKCS7_ENCODING = "PKCS7";
+    private static final String PKIPATH_ENCODING = "PkiPath";
+
+    /**
+     * List of supported encodings
+     */
+    private static final Collection<String> encodingList;
+
+    static {
+        List<String> list = new ArrayList<>(2);
+        list.add(PKIPATH_ENCODING);
+        list.add(PKCS7_ENCODING);
+        encodingList = Collections.unmodifiableCollection(list);
+    }
+
+    /**
+     * Creates an <code>X509CertPath</code> from a <code>List</code> of
+     * <code>X509Certificate</code>s.
+     * <p>
+     * The certificates are copied out of the supplied <code>List</code>
+     * object.
+     *
+     * @param certs a <code>List</code> of <code>X509Certificate</code>s
+     * @exception CertificateException if <code>certs</code> contains an element
+     *                      that is not an <code>X509Certificate</code>
+     */
+    @SuppressWarnings("unchecked")
+    public X509CertPath(List<? extends Certificate> certs) throws CertificateException {
+        super("X.509");
+
+        // Ensure that the List contains only X509Certificates
+        //
+        // Note; The certs parameter is not necessarily to be of Certificate
+        // for some old code. For compatibility, to make sure the exception
+        // is CertificateException, rather than ClassCastException, please
+        // don't use
+        //     for (Certificate obj : certs)
+        for (Object obj : certs) {
+            if (obj instanceof X509Certificate == false) {
+                throw new CertificateException
+                    ("List is not all X509Certificates: "
+                    + obj.getClass().getName());
+            }
+        }
+
+        // Assumes that the resulting List is thread-safe. This is true
+        // because we ensure that it cannot be modified after construction
+        // and the methods in the Sun JDK 1.4 implementation of ArrayList that
+        // allow read-only access are thread-safe.
+        this.certs = Collections.unmodifiableList(
+                new ArrayList<X509Certificate>((List<X509Certificate>)certs));
+    }
+
+    /**
+     * Creates an <code>X509CertPath</code>, reading the encoded form
+     * from an <code>InputStream</code>. The data is assumed to be in
+     * the default encoding.
+     *
+     * @param is the <code>InputStream</code> to read the data from
+     * @exception CertificateException if an exception occurs while decoding
+     */
+    public X509CertPath(InputStream is) throws CertificateException {
+        this(is, PKIPATH_ENCODING);
+    }
+
+    /**
+     * Creates an <code>X509CertPath</code>, reading the encoded form
+     * from an InputStream. The data is assumed to be in the specified
+     * encoding.
+     *
+     * @param is the <code>InputStream</code> to read the data from
+     * @param encoding the encoding used
+     * @exception CertificateException if an exception occurs while decoding or
+     *   the encoding requested is not supported
+     */
+    public X509CertPath(InputStream is, String encoding)
+            throws CertificateException {
+        super("X.509");
+
+        switch (encoding) {
+            case PKIPATH_ENCODING:
+                certs = parsePKIPATH(is);
+                break;
+            case PKCS7_ENCODING:
+                certs = parsePKCS7(is);
+                break;
+            default:
+                throw new CertificateException("unsupported encoding");
+        }
+    }
+
+    /**
+     * Parse a PKIPATH format CertPath from an InputStream. Return an
+     * unmodifiable List of the certificates.
+     *
+     * @param is the <code>InputStream</code> to read the data from
+     * @return an unmodifiable List of the certificates
+     * @exception CertificateException if an exception occurs
+     */
+    private static List<X509Certificate> parsePKIPATH(InputStream is)
+            throws CertificateException {
+        List<X509Certificate> certList = null;
+        CertificateFactory certFac = null;
+
+        if (is == null) {
+            throw new CertificateException("input stream is null");
+        }
+
+        try {
+            DerInputStream dis = new DerInputStream(readAllBytes(is));
+            DerValue[] seq = dis.getSequence(3);
+            if (seq.length == 0) {
+                return Collections.<X509Certificate>emptyList();
+            }
+
+            certFac = CertificateFactory.getInstance("X.509");
+            certList = new ArrayList<X509Certificate>(seq.length);
+
+            // append certs in reverse order (target to trust anchor)
+            for (int i = seq.length-1; i >= 0; i--) {
+                certList.add((X509Certificate)certFac.generateCertificate
+                    (new ByteArrayInputStream(seq[i].toByteArray())));
+            }
+
+            return Collections.unmodifiableList(certList);
+
+        } catch (IOException ioe) {
+            throw new CertificateException("IOException parsing PkiPath data: "
+                    + ioe, ioe);
+        }
+    }
+
+    /**
+     * Parse a PKCS#7 format CertPath from an InputStream. Return an
+     * unmodifiable List of the certificates.
+     *
+     * @param is the <code>InputStream</code> to read the data from
+     * @return an unmodifiable List of the certificates
+     * @exception CertificateException if an exception occurs
+     */
+    private static List<X509Certificate> parsePKCS7(InputStream is)
+            throws CertificateException {
+        List<X509Certificate> certList;
+
+        if (is == null) {
+            throw new CertificateException("input stream is null");
+        }
+
+        try {
+            if (is.markSupported() == false) {
+                // Copy the entire input stream into an InputStream that does
+                // support mark
+                is = new ByteArrayInputStream(readAllBytes(is));
+            }
+            PKCS7 pkcs7 = new PKCS7(is);
+
+            X509Certificate[] certArray = pkcs7.getCertificates();
+            // certs are optional in PKCS #7
+            if (certArray != null) {
+                certList = Arrays.asList(certArray);
+            } else {
+                // no certs provided
+                certList = new ArrayList<X509Certificate>(0);
+            }
+        } catch (IOException ioe) {
+            throw new CertificateException("IOException parsing PKCS7 data: " +
+                                        ioe);
+        }
+        // Assumes that the resulting List is thread-safe. This is true
+        // because we ensure that it cannot be modified after construction
+        // and the methods in the Sun JDK 1.4 implementation of ArrayList that
+        // allow read-only access are thread-safe.
+        return Collections.unmodifiableList(certList);
+    }
+
+    /*
+     * Reads the entire contents of an InputStream into a byte array.
+     *
+     * @param is the InputStream to read from
+     * @return the bytes read from the InputStream
+     */
+    private static byte[] readAllBytes(InputStream is) throws IOException {
+        byte[] buffer = new byte[8192];
+        ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
+        int n;
+        while ((n = is.read(buffer)) != -1) {
+            baos.write(buffer, 0, n);
+        }
+        return baos.toByteArray();
+    }
+
+    /**
+     * Returns the encoded form of this certification path, using the
+     * default encoding.
+     *
+     * @return the encoded bytes
+     * @exception CertificateEncodingException if an encoding error occurs
+     */
+    @Override
+    public byte[] getEncoded() throws CertificateEncodingException {
+        // @@@ Should cache the encoded form
+        return encodePKIPATH();
+    }
+
+    /**
+     * Encode the CertPath using PKIPATH format.
+     *
+     * @return a byte array containing the binary encoding of the PkiPath object
+     * @exception CertificateEncodingException if an exception occurs
+     */
+    private byte[] encodePKIPATH() throws CertificateEncodingException {
+
+        ListIterator<X509Certificate> li = certs.listIterator(certs.size());
+        try {
+            DerOutputStream bytes = new DerOutputStream();
+            // encode certs in reverse order (trust anchor to target)
+            // according to PkiPath format
+            while (li.hasPrevious()) {
+                X509Certificate cert = li.previous();
+                // check for duplicate cert
+                if (certs.lastIndexOf(cert) != certs.indexOf(cert)) {
+                    throw new CertificateEncodingException
+                        ("Duplicate Certificate");
+                }
+                // get encoded certificates
+                byte[] encoded = cert.getEncoded();
+                bytes.write(encoded);
+            }
+
+            // Wrap the data in a SEQUENCE
+            DerOutputStream derout = new DerOutputStream();
+            derout.write(DerValue.tag_SequenceOf, bytes);
+            return derout.toByteArray();
+
+        } catch (IOException ioe) {
+           throw new CertificateEncodingException("IOException encoding " +
+                   "PkiPath data: " + ioe, ioe);
+        }
+    }
+
+    /**
+     * Encode the CertPath using PKCS#7 format.
+     *
+     * @return a byte array containing the binary encoding of the PKCS#7 object
+     * @exception CertificateEncodingException if an exception occurs
+     */
+    private byte[] encodePKCS7() throws CertificateEncodingException {
+        PKCS7 p7 = new PKCS7(new AlgorithmId[0],
+                             new ContentInfo(ContentInfo.DATA_OID, null),
+                             certs.toArray(new X509Certificate[certs.size()]),
+                             new SignerInfo[0]);
+        DerOutputStream derout = new DerOutputStream();
+        try {
+            p7.encodeSignedData(derout);
+        } catch (IOException ioe) {
+            throw new CertificateEncodingException(ioe.getMessage());
+        }
+        return derout.toByteArray();
+    }
+
+    /**
+     * Returns the encoded form of this certification path, using the
+     * specified encoding.
+     *
+     * @param encoding the name of the encoding to use
+     * @return the encoded bytes
+     * @exception CertificateEncodingException if an encoding error occurs or
+     *   the encoding requested is not supported
+     */
+    @Override
+    public byte[] getEncoded(String encoding)
+            throws CertificateEncodingException {
+        switch (encoding) {
+            case PKIPATH_ENCODING:
+                return encodePKIPATH();
+            case PKCS7_ENCODING:
+                return encodePKCS7();
+            default:
+                throw new CertificateEncodingException("unsupported encoding");
+        }
+    }
+
+    /**
+     * Returns the encodings supported by this certification path, with the
+     * default encoding first.
+     *
+     * @return an <code>Iterator</code> over the names of the supported
+     *         encodings (as Strings)
+     */
+    public static Iterator<String> getEncodingsStatic() {
+        return encodingList.iterator();
+    }
+
+    /**
+     * Returns an iteration of the encodings supported by this certification
+     * path, with the default encoding first.
+     * <p>
+     * Attempts to modify the returned <code>Iterator</code> via its
+     * <code>remove</code> method result in an
+     * <code>UnsupportedOperationException</code>.
+     *
+     * @return an <code>Iterator</code> over the names of the supported
+     *         encodings (as Strings)
+     */
+    @Override
+    public Iterator<String> getEncodings() {
+        return getEncodingsStatic();
+    }
+
+    /**
+     * Returns the list of certificates in this certification path.
+     * The <code>List</code> returned must be immutable and thread-safe.
+     *
+     * @return an immutable <code>List</code> of <code>X509Certificate</code>s
+     *         (may be empty, but not null)
+     */
+    @Override
+    public List<X509Certificate> getCertificates() {
+        return certs;
+    }
+
+    /**
+     * Restores the state of this object from the stream.
+     * <p>
+     * Deserialization of this object is not supported.
+     *
+     * @param  stream the {@code ObjectInputStream} from which data is read
+     * @throws IOException if an I/O error occurs
+     * @throws ClassNotFoundException if a serialized class cannot be loaded
+     */
+    private void readObject(ObjectInputStream stream)
+            throws IOException, ClassNotFoundException {
+        throw new InvalidObjectException(
+                "X509CertPaths are not directly deserializable");
+    }
+}