org.glassfish.appclient.common.PermissionsUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-embedded-web Show documentation
Show all versions of payara-embedded-web Show documentation
Embedded-Web Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright 2018-2022 Payara Foundation and/or its affiliates
// Payara Foundation and/or its affiliates elects to include this software in this distribution under the GPL Version 2 license
package org.glassfish.appclient.common;
import com.sun.enterprise.security.permissionsxml.CommponentType;
import com.sun.enterprise.security.permissionsxml.GlobalPolicyUtil;
import com.sun.enterprise.security.permissionsxml.PermissionsXMLLoader;
import javax.xml.stream.XMLStreamException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.security.CodeSource;
import java.security.NoSuchAlgorithmException;
import java.security.PermissionCollection;
import java.security.Policy;
import java.security.URIParameter;
import java.security.cert.Certificate;
public class PermissionsUtil {
protected static final String PERMISSIONS_XML = "META-INF/permissions.xml";
protected static final String CLIENT_EE_PERMS_FILE = "javaee.client.policy";
protected static final String CLIENT_EE_PERMS_PKG = "META-INF/" + CLIENT_EE_PERMS_FILE;
protected static final String CLIENT_RESTRICT_PERMS_FILE = "restrict.client.policy";
protected static final String CLIENT_RESTRICT_PERMS_PKG = "META-INF/" + CLIENT_RESTRICT_PERMS_FILE;
// Get client declared permissions which is packaged on the client's generated jar,
// or in the client's module jar if standalone.
// Result could be null
public static PermissionCollection getClientDeclaredPermissions(ClassLoader classLoader) throws IOException {
URL permissionsURL = classLoader.getResource(PERMISSIONS_XML);
if (permissionsURL == null) {
return null;
}
try {
return new PermissionsXMLLoader(null, permissionsURL.openStream(), CommponentType.car)
.getAppDeclaredPermissions();
} catch (XMLStreamException | FileNotFoundException e) {
throw new IOException(e);
}
}
// Get the permissions configured inside the javaee.client.policy,
// which might be packaged inside the client jar,
// or from the installed folder lib/appclient
// result could be null if either of the above is found
public static PermissionCollection getClientEEPolicy(ClassLoader classLoader) throws IOException {
return getClientPolicy(classLoader, CLIENT_EE_PERMS_PKG, CLIENT_EE_PERMS_FILE);
}
// get the permissions configured inside the javaee.client.policy,
// which might be packaged inside the client jar,
// or from the installed folder lib/appclient
// result could be null if either of the above is found
public static PermissionCollection getClientRestrictPolicy(ClassLoader classLoader) throws IOException {
return getClientPolicy(classLoader, CLIENT_RESTRICT_PERMS_PKG, CLIENT_RESTRICT_PERMS_FILE);
}
private static PermissionCollection getClientPolicy(ClassLoader classLoader, String pkgedFile, String policyFileName) throws IOException {
// 1st try to find from the packaged client jar
URL eeClientUrl = classLoader.getResource(pkgedFile);
if (eeClientUrl != null) {
return getEEPolicyPermissions(eeClientUrl);
}
// 2nd try to find from client's installation at lib/appclient folder
String clientPolicyClocation = getClientInstalledPath();
if (clientPolicyClocation != null) {
return getPolicyPermissions(clientPolicyClocation + policyFileName);
}
return null;
}
private static PermissionCollection getPolicyPermissions(String policyFilename) throws IOException {
if (!new File(policyFilename).exists()) {
return null;
}
return getEEPolicyPermissions(new URL("file:" + policyFilename));
}
private static PermissionCollection getEEPolicyPermissions(URL fileUrl) throws IOException {
try {
return
Policy.getInstance("JavaPolicy", new URIParameter(fileUrl.toURI()))
.getPermissions(new CodeSource(
new URL(GlobalPolicyUtil.CLIENT_TYPE_CODESOURCE), (Certificate[]) null));
} catch (NoSuchAlgorithmException | MalformedURLException | URISyntaxException e) {
throw new IllegalStateException(e);
}
}
private static String getClientInstalledPath() {
String policyPath = System.getProperty("java.security.policy");
if (policyPath == null) {
return null;
}
return new File(policyPath).getParent() + File.separator;
}
}