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8213431: Improve file protocol handling

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Reviewed-by: chegar, dfuchs, igerasim, rhalade, weijun
This commit is contained in:
Pavel Rappo 2019-01-30 14:14:57 +00:00
parent 2dc4bfe056
commit 6f7a08d666
2 changed files with 54 additions and 2 deletions
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4
src/java.base/windows/classes/sun/net/www/protocol/file/Handler.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -95,7 +95,7 @@ public class Handler extends URLStreamHandler {
path = "\\\\" + host + path; path = "\\\\" + host + path;
File f = new File(path); File f = new File(path);
if (f.exists()) { if (f.exists()) {
return createFileURLConnection(url, f); return new UNCFileURLConnection(url, f, path);
} }
/* /*

52
src/java.base/windows/classes/sun/net/www/protocol/file/UNCFileURLConnection.java Normal file
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@ -0,0 +1,52 @@
/*
* Copyright (c) 2019, 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
* questions.
*/
package sun.net.www.protocol.file;
import java.io.File;
import java.io.FilePermission;
import java.net.URL;
import java.security.Permission;
final class UNCFileURLConnection extends FileURLConnection {
private final String effectivePath;
private volatile Permission permission;
UNCFileURLConnection(URL u, File file, String effectivePath) {
super(u, file);
this.effectivePath = effectivePath;
}
@Override
public Permission getPermission() {
Permission perm = permission;
if (perm == null) {
permission = perm = new FilePermission(effectivePath, "read");
}
return perm;
}
}