JDK8/Java8源码在线阅读
/*
* Copyright (c) 2013, 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
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*/
package sun.security.provider;
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.cert.Certificate;
import java.security.cert.CertificateFactory;
import java.security.cert.CertificateException;
import java.util.*;
import sun.misc.IOUtils;
import sun.security.pkcs.EncryptedPrivateKeyInfo;
import sun.security.util.PolicyUtil;
/**
* This class provides the domain keystore type identified as "DKS".
* DKS presents a collection of separate keystores as a single logical keystore.
* The collection of keystores is specified in a domain configuration file which
* is passed to DKS in a {@link DomainLoadStoreParameter}.
* <p>
* The following properties are supported:
* <dl>
* <dt> {@code keystoreType="<type>"} </dt>
* <dd> The keystore type. </dd>
* <dt> {@code keystoreURI="<url>"} </dt>
* <dd> The keystore location. </dd>
* <dt> {@code keystoreProviderName="<name>"} </dt>
* <dd> The name of the keystore's JCE provider. </dd>
* <dt> {@code keystorePasswordEnv="<environment-variable>"} </dt>
* <dd> The environment variable that stores a keystore password.
* <dt> {@code entryNameSeparator="<separator>"} </dt>
* <dd> The separator between a keystore name prefix and an entry name.
* When specified, it applies to all the entries in a domain.
* Its default value is a space. </dd>
* </dl>
*
* @since 1.8
*/
abstract class DomainKeyStore extends KeyStoreSpi {
// regular DKS
public static final class DKS extends DomainKeyStore {
String convertAlias(String alias) {
return alias.toLowerCase(Locale.ENGLISH);
}
}
// DKS property names
private static final String ENTRY_NAME_SEPARATOR = "entrynameseparator";
private static final String KEYSTORE_PROVIDER_NAME = "keystoreprovidername";
private static final String KEYSTORE_TYPE = "keystoretype";
private static final String KEYSTORE_URI = "keystoreuri";
private static final String KEYSTORE_PASSWORD_ENV = "keystorepasswordenv";
// RegEx meta characters
private static final String REGEX_META = ".$|()[{^?*+\\";
// Default prefix for keystores loaded-by-stream
private static final String DEFAULT_STREAM_PREFIX = "iostream";
private int streamCounter = 1;
private String entryNameSeparator = " ";
private String entryNameSeparatorRegEx = " ";
// Default keystore type
private static final String DEFAULT_KEYSTORE_TYPE =
KeyStore.getDefaultType();
// Domain keystores
private final Map<String, KeyStore> keystores = new HashMap<>();
DomainKeyStore() {
}
// convert an alias to internal form, overridden in subclasses:
// lower case for regular DKS
abstract String convertAlias(String alias);
/**
* Returns the key associated with the given alias, using the given
* password to recover it.
*
* @param alias the alias name
* @param password the password for recovering the key
*
* @return the requested key, or null if the given alias does not exist
* or does not identify a <i>key entry</i>.
*
* @exception NoSuchAlgorithmException if the algorithm for recovering the
* key cannot be found
* @exception UnrecoverableKeyException if the key cannot be recovered
* (e.g., the given password is wrong).
*/
public Key engineGetKey(String alias, char[] password)
throws NoSuchAlgorithmException, UnrecoverableKeyException
{
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
Key key = null;
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
key = keystore.getKey(entryAlias, password);
if (key != null) {
break;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return key;
}
/**
* Returns the certificate chain associated with the given alias.
*
* @param alias the alias name
*
* @return the certificate chain (ordered with the user's certificate first
* and the root certificate authority last), or null if the given alias
* does not exist or does not contain a certificate chain (i.e., the given
* alias identifies either a <i>trusted certificate entry</i> or a
* <i>key entry</i> without a certificate chain).
*/
public Certificate[] engineGetCertificateChain(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
Certificate[] chain = null;
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
chain = keystore.getCertificateChain(entryAlias);
if (chain != null) {
break;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return chain;
}
/**
* Returns the certificate associated with the given alias.
*
* <p>If the given alias name identifies a
* <i>trusted certificate entry</i>, the certificate associated with that
* entry is returned. If the given alias name identifies a
* <i>key entry</i>, the first element of the certificate chain of that
* entry is returned, or null if that entry does not have a certificate
* chain.
*
* @param alias the alias name
*
* @return the certificate, or null if the given alias does not exist or
* does not contain a certificate.
*/
public Certificate engineGetCertificate(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
Certificate cert = null;
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
cert = keystore.getCertificate(entryAlias);
if (cert != null) {
break;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return cert;
}
/**
* Returns the creation date of the entry identified by the given alias.
*
* @param alias the alias name
*
* @return the creation date of this entry, or null if the given alias does
* not exist
*/
public Date engineGetCreationDate(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
Date date = null;
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
date = keystore.getCreationDate(entryAlias);
if (date != null) {
break;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return date;
}
/**
* Assigns the given private key to the given alias, protecting
* it with the given password as defined in PKCS8.
*
* <p>The given java.security.PrivateKey <code>key</code> must
* be accompanied by a certificate chain certifying the
* corresponding public key.
*
* <p>If the given alias already exists, the keystore information
* associated with it is overridden by the given key and certificate
* chain.
*
* @param alias the alias name
* @param key the private key to be associated with the alias
* @param password the password to protect the key
* @param chain the certificate chain for the corresponding public
* key (only required if the given key is of type
* <code>java.security.PrivateKey</code>).
*
* @exception KeyStoreException if the given key is not a private key,
* cannot be protected, or this operation fails for some other reason
*/
public void engineSetKeyEntry(String alias, Key key, char[] password,
Certificate[] chain)
throws KeyStoreException
{
AbstractMap.SimpleEntry<String,
AbstractMap.SimpleEntry<String, KeyStore>> pair =
getKeystoreForWriting(alias);
if (pair == null) {
throw new KeyStoreException("Error setting key entry for '" +
alias + "'");
}
String entryAlias = pair.getKey();
Map.Entry<String, KeyStore> keystore = pair.getValue();
keystore.getValue().setKeyEntry(entryAlias, key, password, chain);
}
/**
* Assigns the given key (that has already been protected) to the given
* alias.
*
* <p>If the protected key is of type
* <code>java.security.PrivateKey</code>, it must be accompanied by a
* certificate chain certifying the corresponding public key. If the
* underlying keystore implementation is of type <code>jks</code>,
* <code>key</code> must be encoded as an
* <code>EncryptedPrivateKeyInfo</code> as defined in the PKCS #8 standard.
*
* <p>If the given alias already exists, the keystore information
* associated with it is overridden by the given key (and possibly
* certificate chain).
*
* @param alias the alias name
* @param key the key (in protected format) to be associated with the alias
* @param chain the certificate chain for the corresponding public
* key (only useful if the protected key is of type
* <code>java.security.PrivateKey</code>).
*
* @exception KeyStoreException if this operation fails.
*/
public void engineSetKeyEntry(String alias, byte[] key,
Certificate[] chain)
throws KeyStoreException
{
AbstractMap.SimpleEntry<String,
AbstractMap.SimpleEntry<String, KeyStore>> pair =
getKeystoreForWriting(alias);
if (pair == null) {
throw new KeyStoreException(
"Error setting protected key entry for '" + alias + "'");
}
String entryAlias = pair.getKey();
Map.Entry<String, KeyStore> keystore = pair.getValue();
keystore.getValue().setKeyEntry(entryAlias, key, chain);
}
/**
* Assigns the given certificate to the given alias.
*
* <p>If the given alias already exists in this keystore and identifies a
* <i>trusted certificate entry</i>, the certificate associated with it is
* overridden by the given certificate.
*
* @param alias the alias name
* @param cert the certificate
*
* @exception KeyStoreException if the given alias already exists and does
* not identify a <i>trusted certificate entry</i>, or this operation
* fails for some other reason.
*/
public void engineSetCertificateEntry(String alias, Certificate cert)
throws KeyStoreException
{
AbstractMap.SimpleEntry<String,
AbstractMap.SimpleEntry<String, KeyStore>> pair =
getKeystoreForWriting(alias);
if (pair == null) {
throw new KeyStoreException("Error setting certificate entry for '"
+ alias + "'");
}
String entryAlias = pair.getKey();
Map.Entry<String, KeyStore> keystore = pair.getValue();
keystore.getValue().setCertificateEntry(entryAlias, cert);
}
/**
* Deletes the entry identified by the given alias from this keystore.
*
* @param alias the alias name
*
* @exception KeyStoreException if the entry cannot be removed.
*/
public void engineDeleteEntry(String alias) throws KeyStoreException
{
AbstractMap.SimpleEntry<String,
AbstractMap.SimpleEntry<String, KeyStore>> pair =
getKeystoreForWriting(alias);
if (pair == null) {
throw new KeyStoreException("Error deleting entry for '" + alias +
"'");
}
String entryAlias = pair.getKey();
Map.Entry<String, KeyStore> keystore = pair.getValue();
keystore.getValue().deleteEntry(entryAlias);
}
/**
* Lists all the alias names of this keystore.
*
* @return enumeration of the alias names
*/
public Enumeration<String> engineAliases() {
final Iterator<Map.Entry<String, KeyStore>> iterator =
keystores.entrySet().iterator();
return new Enumeration<String>() {
private int index = 0;
private Map.Entry<String, KeyStore> keystoresEntry = null;
private String prefix = null;
private Enumeration<String> aliases = null;
public boolean hasMoreElements() {
try {
if (aliases == null) {
if (iterator.hasNext()) {
keystoresEntry = iterator.next();
prefix = keystoresEntry.getKey() +
entryNameSeparator;
aliases = keystoresEntry.getValue().aliases();
} else {
return false;
}
}
if (aliases.hasMoreElements()) {
return true;
} else {
if (iterator.hasNext()) {
keystoresEntry = iterator.next();
prefix = keystoresEntry.getKey() +
entryNameSeparator;
aliases = keystoresEntry.getValue().aliases();
} else {
return false;
}
}
} catch (KeyStoreException e) {
return false;
}
return aliases.hasMoreElements();
}
public String nextElement() {
if (hasMoreElements()) {
return prefix + aliases.nextElement();
}
throw new NoSuchElementException();
}
};
}
/**
* Checks if the given alias exists in this keystore.
*
* @param alias the alias name
*
* @return true if the alias exists, false otherwise
*/
public boolean engineContainsAlias(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
if (keystore.containsAlias(entryAlias)) {
return true;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return false;
}
/**
* Retrieves the number of entries in this keystore.
*
* @return the number of entries in this keystore
*/
public int engineSize() {
int size = 0;
try {
for (KeyStore keystore : keystores.values()) {
size += keystore.size();
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return size;
}
/**
* Returns true if the entry identified by the given alias is a
* <i>key entry</i>, and false otherwise.
*
* @return true if the entry identified by the given alias is a
* <i>key entry</i>, false otherwise.
*/
public boolean engineIsKeyEntry(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
if (keystore.isKeyEntry(entryAlias)) {
return true;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return false;
}
/**
* Returns true if the entry identified by the given alias is a
* <i>trusted certificate entry</i>, and false otherwise.
*
* @return true if the entry identified by the given alias is a
* <i>trusted certificate entry</i>, false otherwise.
*/
public boolean engineIsCertificateEntry(String alias) {
AbstractMap.SimpleEntry<String, Collection<KeyStore>> pair =
getKeystoresForReading(alias);
try {
String entryAlias = pair.getKey();
for (KeyStore keystore : pair.getValue()) {
if (keystore.isCertificateEntry(entryAlias)) {
return true;
}
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
return false;
}
/*
* Returns a keystore entry alias and a list of target keystores.
* When the supplied alias prefix identifies a keystore then that single
* keystore is returned. When no alias prefix is supplied then all the
* keystores are returned.
*/
private AbstractMap.SimpleEntry<String, Collection<KeyStore>>
getKeystoresForReading(String alias) {
String[] splits = alias.split(this.entryNameSeparatorRegEx, 2);
if (splits.length == 2) { // prefixed alias
KeyStore keystore = keystores.get(splits[0]);
if (keystore != null) {
return new AbstractMap.SimpleEntry<>(splits[1],
(Collection<KeyStore>) Collections.singleton(keystore));
}
} else if (splits.length == 1) { // unprefixed alias
// Check all keystores for the first occurrence of the alias
return new AbstractMap.SimpleEntry<>(alias, keystores.values());
}
return new AbstractMap.SimpleEntry<>("",
(Collection<KeyStore>) Collections.<KeyStore>emptyList());
}
/*
* Returns a keystore entry alias and a single target keystore.
* An alias prefix must be supplied.
*/
private
AbstractMap.SimpleEntry<String, AbstractMap.SimpleEntry<String, KeyStore>>
getKeystoreForWriting(String alias) {
String[] splits = alias.split(this.entryNameSeparator, 2);
if (splits.length == 2) { // prefixed alias
KeyStore keystore = keystores.get(splits[0]);
if (keystore != null) {
return new AbstractMap.SimpleEntry<>(splits[1],
new AbstractMap.SimpleEntry<>(splits[0], keystore));
}
}
return null;
}
/**
* Returns the (alias) name of the first keystore entry whose certificate
* matches the given certificate.
*
* <p>This method attempts to match the given certificate with each
* keystore entry. If the entry being considered
* is a <i>trusted certificate entry</i>, the given certificate is
* compared to that entry's certificate. If the entry being considered is
* a <i>key entry</i>, the given certificate is compared to the first
* element of that entry's certificate chain (if a chain exists).
*
* @param cert the certificate to match with.
*
* @return the (alias) name of the first entry with matching certificate,
* or null if no such entry exists in this keystore.
*/
public String engineGetCertificateAlias(Certificate cert) {
try {
String alias = null;
for (KeyStore keystore : keystores.values()) {
if ((alias = keystore.getCertificateAlias(cert)) != null) {
break;
}
}
return alias;
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
}
/**
* Stores this keystore to the given output stream, and protects its
* integrity with the given password.
*
* @param stream the output stream to which this keystore is written.
* @param password the password to generate the keystore integrity check
*
* @exception IOException if there was an I/O problem with data
* @exception NoSuchAlgorithmException if the appropriate data integrity
* algorithm could not be found
* @exception CertificateException if any of the certificates included in
* the keystore data could not be stored
*/
public void engineStore(OutputStream stream, char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException
{
// Support storing to a stream only when a single keystore has been
// configured
try {
if (keystores.size() == 1) {
keystores.values().iterator().next().store(stream, password);
return;
}
} catch (KeyStoreException e) {
throw new IllegalStateException(e);
}
throw new UnsupportedOperationException(
"This keystore must be stored using a DomainLoadStoreParameter");
}
@Override
public void engineStore(KeyStore.LoadStoreParameter param)
throws IOException, NoSuchAlgorithmException, CertificateException
{
if (param instanceof DomainLoadStoreParameter) {
DomainLoadStoreParameter domainParameter =
(DomainLoadStoreParameter) param;
List<KeyStoreBuilderComponents> builders = getBuilders(
domainParameter.getConfiguration(),
domainParameter.getProtectionParams());
for (KeyStoreBuilderComponents builder : builders) {
try {
KeyStore.ProtectionParameter pp = builder.protection;
if (!(pp instanceof KeyStore.PasswordProtection)) {
throw new KeyStoreException(
new IllegalArgumentException("ProtectionParameter" +
" must be a KeyStore.PasswordProtection"));
}
char[] password =
((KeyStore.PasswordProtection) builder.protection)
.getPassword();
// Store the keystores
KeyStore keystore = keystores.get(builder.name);
try (FileOutputStream stream =
new FileOutputStream(builder.file)) {
keystore.store(stream, password);
}
} catch (KeyStoreException e) {
throw new IOException(e);
}
}
} else {
throw new UnsupportedOperationException(
"This keystore must be stored using a " +
"DomainLoadStoreParameter");
}
}
/**
* Loads the keystore from the given input stream.
*
* <p>If a password is given, it is used to check the integrity of the
* keystore data. Otherwise, the integrity of the keystore is not checked.
*
* @param stream the input stream from which the keystore is loaded
* @param password the (optional) password used to check the integrity of
* the keystore.
*
* @exception IOException if there is an I/O or format problem with the
* keystore data
* @exception NoSuchAlgorithmException if the algorithm used to check
* the integrity of the keystore cannot be found
* @exception CertificateException if any of the certificates in the
* keystore could not be loaded
*/
public void engineLoad(InputStream stream, char[] password)
throws IOException, NoSuchAlgorithmException, CertificateException
{
// Support loading from a stream only for a JKS or default type keystore
try {
KeyStore keystore = null;
try {
keystore = KeyStore.getInstance("JKS");
keystore.load(stream, password);
} catch (Exception e) {
// Retry
if (!"JKS".equalsIgnoreCase(DEFAULT_KEYSTORE_TYPE)) {
keystore = KeyStore.getInstance(DEFAULT_KEYSTORE_TYPE);
keystore.load(stream, password);
} else {
throw e;
}
}
String keystoreName = DEFAULT_STREAM_PREFIX + streamCounter++;
keystores.put(keystoreName, keystore);
} catch (Exception e) {
throw new UnsupportedOperationException(
"This keystore must be loaded using a " +
"DomainLoadStoreParameter");
}
}
@Override
public void engineLoad(KeyStore.LoadStoreParameter param)
throws IOException, NoSuchAlgorithmException, CertificateException
{
if (param instanceof DomainLoadStoreParameter) {
DomainLoadStoreParameter domainParameter =
(DomainLoadStoreParameter) param;
List<KeyStoreBuilderComponents> builders = getBuilders(
domainParameter.getConfiguration(),
domainParameter.getProtectionParams());
for (KeyStoreBuilderComponents builder : builders) {
try {
// Load the keystores (file-based and non-file-based)
if (builder.file != null) {
keystores.put(builder.name,
KeyStore.Builder.newInstance(builder.type,
builder.provider, builder.file,
builder.protection)
.getKeyStore());
} else {
keystores.put(builder.name,
KeyStore.Builder.newInstance(builder.type,
builder.provider, builder.protection)
.getKeyStore());
}
} catch (KeyStoreException e) {
throw new IOException(e);
}
}
} else {
throw new UnsupportedOperationException(
"This keystore must be loaded using a " +
"DomainLoadStoreParameter");
}
}
/*
* Parse a keystore domain configuration file and associated collection
* of keystore passwords to create a collection of KeyStore.Builder.
*/
private List<KeyStoreBuilderComponents> getBuilders(URI configuration,
Map<String, KeyStore.ProtectionParameter> passwords)
throws IOException {
PolicyParser parser = new PolicyParser(true); // expand properties
Collection<PolicyParser.DomainEntry> domains = null;
List<KeyStoreBuilderComponents> builders = new ArrayList<>();
String uriDomain = configuration.getFragment();
try (InputStreamReader configurationReader =
new InputStreamReader(
PolicyUtil.getInputStream(configuration.toURL()), "UTF-8")) {
parser.read(configurationReader);
domains = parser.getDomainEntries();
} catch (MalformedURLException mue) {
throw new IOException(mue);
} catch (PolicyParser.ParsingException pe) {
throw new IOException(pe);
}
for (PolicyParser.DomainEntry domain : domains) {
Map<String, String> domainProperties = domain.getProperties();
if (uriDomain != null &&
(!uriDomain.equalsIgnoreCase(domain.getName()))) {
continue; // skip this domain
}
if (domainProperties.containsKey(ENTRY_NAME_SEPARATOR)) {
this.entryNameSeparator =
domainProperties.get(ENTRY_NAME_SEPARATOR);
// escape any regex meta characters
char ch = 0;
StringBuilder s = new StringBuilder();
for (int i = 0; i < this.entryNameSeparator.length(); i++) {
ch = this.entryNameSeparator.charAt(i);
if (REGEX_META.indexOf(ch) != -1) {
s.append('\\');
}
s.append(ch);
}
this.entryNameSeparatorRegEx = s.toString();
}
Collection<PolicyParser.KeyStoreEntry> keystores =
domain.getEntries();
for (PolicyParser.KeyStoreEntry keystore : keystores) {
String keystoreName = keystore.getName();
Map<String, String> properties =
new HashMap<>(domainProperties);
properties.putAll(keystore.getProperties());
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