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/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.
*/
package org.wildfly.naming.client.util;
import java.nio.charset.StandardCharsets;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import javax.naming.Context;
import javax.security.auth.x500.X500PrivateCredential;
import org.ietf.jgss.GSSCredential;
import org.wildfly.common.Assert;
import org.wildfly.security.auth.server.IdentityCredentials;
import org.wildfly.security.credential.Credential;
import org.wildfly.security.credential.GSSKerberosCredential;
import org.wildfly.security.credential.PasswordCredential;
import org.wildfly.security.credential.X509CertificateChainPrivateCredential;
import org.wildfly.security.credential.X509CertificateChainPublicCredential;
import org.wildfly.security.password.Password;
import org.wildfly.security.password.interfaces.ClearPassword;
/**
* Various utilities dealing with environment properties.
*
* @author David M. Lloyd
*/
public final class EnvironmentUtils {
// Constants related to EJB remote connections in environment properties
public static final String EJB_REMOTE_CONNECTIONS = "remote.connections";
public static final String EJB_REMOTE_CONNECTION_PREFIX = "remote.connection.";
public static final String EJB_REMOTE_CONNECTION_PROVIDER_PREFIX = "remote.connectionprovider.create.options.";
public static final String CONNECT_OPTIONS = "connect.options.";
public static final String EJB_HOST_KEY = "host";
public static final String EJB_PORT_KEY = "port";
public static final String EJB_CALLBACK_HANDLER_CLASS_KEY = "callback.handler.class";
public static final String EJB_USERNAME_KEY = "username";
public static final String EJB_PASSWORD_KEY = "password";
public static final String EJB_PASSWORD_BASE64_KEY = "password.base64";
private EnvironmentUtils() {
}
/**
* Get the security credential, if any. If an entry is present but not recognized, an empty credential set is
* returned.
*
* @param env the environment (must not be {@code null})
* @return the security credentials, or {@code null} if none was present
*/
public static IdentityCredentials getSecurityCredentials(Hashtable env) {
return getSecurityCredentials(env, Context.SECURITY_CREDENTIALS);
}
/**
* Get the security credential, if any. If an entry is present but not recognized, an empty credential set is
* returned.
*
* @param env the environment (must not be {@code null})
* @param propertyName the property name (must not be {@code null})
* @return the security credentials, or {@code null} if none was present
*/
public static IdentityCredentials getSecurityCredentials(final Hashtable env, final String propertyName) {
Assert.checkNotNullParam("env", env);
Assert.checkNotNullParam("propertyName", propertyName);
final Object rawCredential = env.get(propertyName);
if (rawCredential == null) {
return null;
} else if (rawCredential instanceof IdentityCredentials) {
return (IdentityCredentials) rawCredential;
} else if (rawCredential instanceof Collection) {
IdentityCredentials c = IdentityCredentials.NONE;
for (Object item : (Collection) rawCredential) {
c = c.with(getSingleCredential(item));
}
return c;
} else if (rawCredential instanceof Object[]) {
IdentityCredentials c = IdentityCredentials.NONE;
for (Object item : (Object[]) rawCredential) {
c = c.with(getSingleCredential(item));
}
return c;
} else {
return getSingleCredential(rawCredential);
}
}
private static IdentityCredentials getSingleCredential(Object rawCredential) {
if (rawCredential == null) {
return IdentityCredentials.NONE;
} else if (rawCredential instanceof Credential) {
return IdentityCredentials.NONE.withCredential((Credential) rawCredential);
} else if (rawCredential instanceof GSSCredential) {
return IdentityCredentials.NONE.withCredential(new GSSKerberosCredential((GSSCredential) rawCredential));
} else if (rawCredential instanceof Password) {
return IdentityCredentials.NONE.withCredential(new PasswordCredential((Password) rawCredential));
} else if (rawCredential instanceof X509Certificate) {
return IdentityCredentials.NONE.withCredential(new X509CertificateChainPublicCredential((X509Certificate) rawCredential));
} else if (rawCredential instanceof X509Certificate[]) {
return IdentityCredentials.NONE.withCredential(new X509CertificateChainPublicCredential((X509Certificate[]) rawCredential));
} else if (rawCredential instanceof X500PrivateCredential) {
final X500PrivateCredential credential = (X500PrivateCredential) rawCredential;
return IdentityCredentials.NONE.withCredential(new X509CertificateChainPrivateCredential(credential.getPrivateKey(), credential.getCertificate()));
} else if (rawCredential instanceof String) {
return IdentityCredentials.NONE.withCredential(new PasswordCredential(ClearPassword.createRaw(ClearPassword.ALGORITHM_CLEAR, ((String) rawCredential).toCharArray())));
} else if (rawCredential instanceof char[]) {
// todo: automatically decode to other credential types
return IdentityCredentials.NONE.withCredential(new PasswordCredential(ClearPassword.createRaw(ClearPassword.ALGORITHM_CLEAR, (char[]) rawCredential)));
} else if (rawCredential instanceof byte[]) {
// todo: automatically decode to other credential types
return IdentityCredentials.NONE.withCredential(new PasswordCredential(ClearPassword.createRaw(ClearPassword.ALGORITHM_CLEAR, new String((byte[]) rawCredential, StandardCharsets.UTF_8).toCharArray())));
} else {
return IdentityCredentials.NONE;
}
}
/**
* Get the name of the security realm, if any.
*
* @return the name of the security realm, or {@code null} if there is none or it is in an unrecognized format
*/
public static String getSecurityRealmName(Hashtable env) {
final Object rawRealm = env.get("java.naming.security.sasl.realm");
return rawRealm instanceof String ? (String) rawRealm : null;
}
/**
* Get the URL package prefixes defined in the given property name. If no URL package prefixes are defined in the
* given property name, then the default list is returned. The returned list is mutable.
*
* @param env the environment (must not be {@code null})
* @return the list of package prefixes
*/
public static List getURLPackagePrefixes(Hashtable env) {
return getURLPackagePrefixes(env, Context.URL_PKG_PREFIXES);
}
/**
* Get the URL package prefixes defined in the given property name. If no URL package prefixes are defined in the
* given property name, then the default list is returned. The returned list is mutable.
*
* @param env the environment (must not be {@code null})
* @param propertyName the property name to search (must not be {@code null})
* @return the list of package prefixes
*/
public static List getURLPackagePrefixes(Hashtable env, String propertyName) {
Assert.checkNotNullParam("env", env);
Assert.checkNotNullParam("propertyName", propertyName);
final ArrayList list = new ArrayList<>();
final Object prefixesObj = env.get(propertyName);
if (prefixesObj instanceof String) {
final String prefixes = (String) prefixesObj;
if (! prefixes.isEmpty()) {
final String[] split = prefixes.split(":");
for (String s : split) {
if (! s.isEmpty()) {
list.add(s);
}
}
}
}
list.add("com.sun.jndi.url");
return list;
}
/**
* Compile the given collection of URL package prefixes into a string.
*
* @param prefixes the package prefixes (must not be {@code null})
* @return the string, or {@code null} if there are no package prefixes (i.e. the corresponding property can be removed)
*/
public static String compileURLPackagePrefixes(Collection prefixes) {
Assert.checkNotNullParam("prefixes", prefixes);
final Iterator iterator = prefixes.iterator();
String firstName;
while (iterator.hasNext()) {
firstName = iterator.next();
if (firstName != null && ! firstName.isEmpty() && ! firstName.equals("com.sun.jndi.url")) {
String nextName;
while (iterator.hasNext()) {
nextName = iterator.next();
if (nextName != null && ! nextName.isEmpty() && ! nextName.equals("com.sun.jndi.url")) {
StringBuilder b = new StringBuilder();
b.append(firstName);
b.append(':').append(nextName);
while (iterator.hasNext()) {
nextName = iterator.next();
if (nextName != null && ! nextName.isEmpty() && ! nextName.equals("com.sun.jndi.url")) {
b.append(':').append(nextName);
}
}
return b.toString();
}
}
return firstName;
}
}
return null;
}
}
