/*

 * 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.

 *

 * 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 util;

import java.io.FilePermission;

import java.security.AllPermission;

import java.security.CodeSource;

import java.security.Permission;

import java.security.PermissionCollection;

import java.security.Permissions;

import java.security.Policy;

import java.security.ProtectionDomain;

import java.security.SecurityPermission;

import java.sql.SQLPermission;

import java.util.Enumeration;

import java.util.PropertyPermission;

import java.util.StringJoiner;

/*

 * Simple Policy class that supports the required Permissions to validate the

 * JDBC concrete classes

 */

public class TestPolicy extends Policy {

    final PermissionCollection permissions = new Permissions();

    /**

     * Constructor which sets the minimum permissions allowing testNG to work

     * with a SecurityManager

     */

    public TestPolicy() {

        setMinimalPermissions();

    }

    /*

     * Constructor which determines which permissions are defined for this

     * Policy used by the JDBC tests Possible values are: all (ALLPermissions),

     * setLog (SQLPemission("setLog"), deregisterDriver

     * (SQLPermission("deregisterDriver") (SQLPermission("deregisterDriver"),

     * and setSyncFactory(SQLPermission(setSyncFactory),

     *

     * @param policy Permissions to set

     */

    public TestPolicy(String policy) {

        switch (policy) {

            case "all":

                permissions.add(new AllPermission());

                break;

            case "setLog":

                setMinimalPermissions();

                permissions.add(new SQLPermission("setLog"));

                break;

            case "deregisterDriver":

                setMinimalPermissions();

                permissions.add(new SQLPermission("deregisterDriver"));

                break;

            case "setSyncFactory":

                setMinimalPermissions();

                permissions.add(new SQLPermission("setSyncFactory"));

                break;

            default:

                setMinimalPermissions();

        }

    }

    /*

     * Defines the minimal permissions required by testNG when running these

     * tests

     */

    private void setMinimalPermissions() {

        permissions.add(new SecurityPermission("getPolicy"));

        permissions.add(new SecurityPermission("setPolicy"));

        permissions.add(new RuntimePermission("getClassLoader"));

        permissions.add(new RuntimePermission("setSecurityManager"));

        permissions.add(new RuntimePermission("createSecurityManager"));

        permissions.add(new PropertyPermission("testng.show.stack.frames",

                "read"));

        permissions.add(new PropertyPermission("line.separator", "read"));

        permissions.add(new PropertyPermission("fileStringBuffer", "read"));

        permissions.add(new PropertyPermission("dataproviderthreadcount", "read"));

        permissions.add(new PropertyPermission("java.io.tmpdir", "read"));

        permissions.add(new FilePermission("<<ALL FILES>>",

                "read, write, delete"));

    }

    /*

     * Overloaded methods from the Policy class

     */

    @Override

    public String toString() {

        StringJoiner sj = new StringJoiner("\n", "policy: ", "");

        Enumeration<Permission> perms = permissions.elements();

        while (perms.hasMoreElements()) {

            sj.add(perms.nextElement().toString());

        }

        return sj.toString();

    }

    @Override

    public PermissionCollection getPermissions(ProtectionDomain domain) {

        return permissions;

    }

    @Override

    public PermissionCollection getPermissions(CodeSource codesource) {

        return permissions;

    }

    @Override

    public boolean implies(ProtectionDomain domain, Permission perm) {

        return permissions.implies(perm);

    }

}