src/java.base/share/classes/sun/net/www/protocol/jrt/JavaRuntimeURLConnection.java

*** 1,7 ****
  /*
!  * Copyright (c) 2014, 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
--- 1,7 ----
  /*
!  * Copyright (c) 2014, 2017, 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
*** 24,35 ****
   */
  
  package sun.net.www.protocol.jrt;
  
  import java.io.ByteArrayInputStream;
- import java.io.File;
- import java.io.FilePermission;
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.security.AccessController;
--- 24,33 ----
*** 42,52 ****
  
  import jdk.internal.loader.URLClassPath;
  import jdk.internal.loader.Resource;
  import sun.net.www.ParseUtil;
  import sun.net.www.URLConnection;
- import sun.security.action.GetPropertyAction;
  
  /**
   * URLConnection implementation that can be used to connect to resources
   * contained in the runtime image.
   */
--- 40,49 ----
*** 64,76 ****
      private final String name;
  
      // the Resource when connected
      private volatile Resource resource;
  
-     // the permission to access resources in the runtime image, created lazily
-     private static volatile Permission permission;
- 
      JavaRuntimeURLConnection(URL url) throws IOException {
          super(url);
          String path = url.getPath();
          if (path.length() == 0 || path.charAt(0) != '/')
              throw new MalformedURLException(url + " missing path or /");
--- 61,70 ----
*** 162,179 ****
          long len = getContentLengthLong();
          return len > Integer.MAX_VALUE ? -1 : (int)len;
      }
  
      @Override
!     public Permission getPermission() throws IOException {
!         Permission p = permission;
!         if (p == null) {
!             String home = GetPropertyAction.privilegedGetProperty("java.home");
!             p = new FilePermission(home + File.separator + "-", "read");
!             permission = p;
!         }
!         return p;
      }
  
      /**
       * Returns a jrt URL for the given module and resource name.
       */
--- 156,167 ----
          long len = getContentLengthLong();
          return len > Integer.MAX_VALUE ? -1 : (int)len;
      }
  
      @Override
!     public Permission getPermission() {
!         return new RuntimePermission("accessSystemModules");
      }
  
      /**
       * Returns a jrt URL for the given module and resource name.
       */