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+// Copyright (C) 2001-2003 Jon A. Maxwell (JAM)
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+package net.sourceforge.jnlp;
+
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import java.security.*;
+import java.awt.AWTPermission;
+
+/**
+ * The security element.
+ *
+ * @author <a href="mailto:[email protected]">Jon A. Maxwell (JAM)</a> - initial author
+ * @version $Revision: 1.7 $
+ */
+public class SecurityDesc {
+
+ /*
+ * We do not verify security here, the classloader deals with security
+ */
+
+ /** All permissions. */
+ public static final Object ALL_PERMISSIONS = "All";
+
+ /** Applet permissions. */
+ public static final Object SANDBOX_PERMISSIONS = "Sandbox";
+
+ /** J2EE permissions. */
+ public static final Object J2EE_PERMISSIONS = "J2SE";
+
+ /** permissions type */
+ private Object type;
+
+ /** the download host */
+ private String downloadHost;
+
+ /** the JNLP file */
+ private JNLPFile file;
+
+ // We go by the rules here:
+ // http://java.sun.com/docs/books/tutorial/deployment/doingMoreWithRIA/properties.html
+
+ // Since this is security sensitive, take a conservative approach:
+ // Allow only what is specifically allowed, and deny everything else
+
+ /** basic permissions for restricted mode */
+ private static Permission j2eePermissions[] = {
+ new AWTPermission("accessClipboard"),
+ // disabled because we can't at this time prevent an
+ // application from accessing other applications' event
+ // queues, or even prevent access to security dialog queues.
+ //
+ // new AWTPermission("accessEventQueue"),
+ new AWTPermission("showWindowWithoutWarningBanner"),
+ new RuntimePermission("exitVM"),
+ new RuntimePermission("loadLibrary"),
+ new RuntimePermission("queuePrintJob"),
+ new SocketPermission("*", "connect"),
+ new SocketPermission("localhost:1024-", "accept, listen"),
+ new FilePermission("*", "read, write"),
+ new PropertyPermission("*", "read"),
+ };
+
+ /** basic permissions for restricted mode */
+ private static Permission sandboxPermissions[] = {
+ new SocketPermission("localhost:1024-", "listen"),
+ // new SocketPermission("<DownloadHost>", "connect, accept"), // added by code
+ new PropertyPermission("java.version", "read"),
+ new PropertyPermission("java.vendor", "read"),
+ new PropertyPermission("java.vendor.url", "read"),
+ new PropertyPermission("java.class.version", "read"),
+ new PropertyPermission("os.name", "read"),
+ new PropertyPermission("os.version", "read"),
+ new PropertyPermission("os.arch", "read"),
+ new PropertyPermission("file.separator", "read"),
+ new PropertyPermission("path.separator", "read"),
+ new PropertyPermission("line.separator", "read"),
+ new PropertyPermission("java.specification.version", "read"),
+ new PropertyPermission("java.specification.vendor", "read"),
+ new PropertyPermission("java.specification.name", "read"),
+ new PropertyPermission("java.vm.specification.vendor", "read"),
+ new PropertyPermission("java.vm.specification.name", "read"),
+ new PropertyPermission("java.vm.version", "read"),
+ new PropertyPermission("java.vm.vendor", "read"),
+ new PropertyPermission("java.vm.name", "read"),
+ new PropertyPermission("javawebstart.version", "read"),
+ new PropertyPermission("javaplugin.*", "read"),
+ new PropertyPermission("jnlp.*", "read,write"),
+ new PropertyPermission("javaws.*", "read,write"),
+ new RuntimePermission("exitVM"),
+ new RuntimePermission("stopThread"),
+ new AWTPermission("showWindowWithoutWarningBanner"),
+ // disabled because we can't at this time prevent an
+ // application from accessing other applications' event
+ // queues, or even prevent access to security dialog queues.
+ //
+ // new AWTPermission("accessEventQueue"),
+ };
+
+ /** basic permissions for restricted mode */
+ private static Permission jnlpRIAPermissions[] = {
+ new PropertyPermission("awt.useSystemAAFontSettings", "read,write"),
+ new PropertyPermission("http.agent", "read,write"),
+ new PropertyPermission("http.keepAlive", "read,write"),
+ new PropertyPermission("java.awt.syncLWRequests", "read,write"),
+ new PropertyPermission("java.awt.Window.locationByPlatform", "read,write"),
+ new PropertyPermission("javaws.cfg.jauthenticator", "read,write"),
+ new PropertyPermission("javax.swing.defaultlf", "read,write"),
+ new PropertyPermission("sun.awt.noerasebackground", "read,write"),
+ new PropertyPermission("sun.awt.erasebackgroundonresize", "read,write"),
+ new PropertyPermission("sun.java2d.d3d", "read,write"),
+ new PropertyPermission("sun.java2d.dpiaware", "read,write"),
+ new PropertyPermission("sun.java2d.noddraw", "read,write"),
+ new PropertyPermission("sun.java2d.opengl", "read,write"),
+ new PropertyPermission("swing.boldMetal", "read,write"),
+ new PropertyPermission("swing.metalTheme", "read,write"),
+ new PropertyPermission("swing.noxp", "read,write"),
+ new PropertyPermission("swing.useSystemFontSettings", "read,write"),
+ };
+
+ /**
+ * Create a security descriptor.
+ *
+ * @param file the JNLP file
+ * @param type the type of security
+ * @param downloadHost the download host (can always connect to)
+ */
+ public SecurityDesc(JNLPFile file, Object type, String downloadHost) {
+ this.file = file;
+ this.type = type;
+ this.downloadHost = downloadHost;
+ }
+
+ /**
+ * Returns the permissions type, one of: ALL_PERMISSIONS,
+ * SANDBOX_PERMISSIONS, J2EE_PERMISSIONS.
+ */
+ public Object getSecurityType() {
+ return type;
+ }
+
+ /**
+ * Returns a PermissionCollection containing the basic
+ * permissions granted depending on the security type.
+ */
+ public PermissionCollection getPermissions() {
+ PermissionCollection permissions = getSandBoxPermissions();
+
+ // discard sandbox, give all
+ if (type == ALL_PERMISSIONS) {
+ permissions = new Permissions();
+ permissions.add(new AllPermission());
+ return permissions;
+ }
+
+ // add j2ee to sandbox if needed
+ if (type == J2EE_PERMISSIONS)
+ for (int i=0; i < j2eePermissions.length; i++)
+ permissions.add(j2eePermissions[i]);
+
+ return permissions;
+ }
+
+ /**
+ * Returns a PermissionCollection containing the sandbox permissions
+ */
+ public PermissionCollection getSandBoxPermissions() {
+
+ Permissions permissions = new Permissions();
+
+ for (int i=0; i < sandboxPermissions.length; i++)
+ permissions.add(sandboxPermissions[i]);
+
+ if (file.isApplication())
+ for (int i=0; i < jnlpRIAPermissions.length; i++)
+ permissions.add(jnlpRIAPermissions[i]);
+
+ if (downloadHost != null)
+ permissions.add(new SocketPermission(downloadHost,
+ "connect, accept"));
+
+ return permissions;
+ }
+
+}