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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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 3 of the License, or (at your option) any later version.
*
* This program 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 program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.process;
import java.io.File;
import java.io.FilePermission;
import java.nio.file.Path;
import java.security.Permission;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public class PluginFileWriteRule implements PluginPolicyRule {
private static final Set<String> BLOCKED_FILE_ACTIONS = new HashSet<>(Arrays.asList(
"write",
"delete",
"execute"
));
private final FilePermission blockedFilePermission;
private final FilePermission tmpFilePermission;
public PluginFileWriteRule(Path home, Path tmp) {
blockedFilePermission = new FilePermission(home.toAbsolutePath().toString() + File.separatorChar + "-", String.join(",", BLOCKED_FILE_ACTIONS));
tmpFilePermission = new FilePermission(tmp.toAbsolutePath().toString() + File.separatorChar + "-", String.join(",", BLOCKED_FILE_ACTIONS));
}
@Override
public boolean implies(Permission permission) {
if (permission instanceof FilePermission requestPermission) {
return !blockedFilePermission.implies(requestPermission) || tmpFilePermission.implies(requestPermission);
}
return true;
}
}
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