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Java example source code file (ConfigConstructor.java)

This example Java source code file (ConfigConstructor.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

appconfigurationentry, callbackhandler, configconstructor, logincontext, loginexception, loginmodule, map, mymodule1, mymodule2, mymodule3, mymodule4, mymodule5, mymodule6, securityexception, util

The ConfigConstructor.java Java example source code

/*
 * Copyright (c) 2003, 2004, 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.
 */

/**
 * @test
 * @bug 4703361
 * @summary can not specify Configuration to LoginContext constructor
 *
 * @run main/othervm/policy=ConfigConstructor.policy -Djava.security.auth.login.config=file:${test.src}/ConfigConstructor.config ConfigConstructor
 *
 */

/**
 * This test shares the login config with ConfigConstructorNoPerm.
 * This test has all necessary permissions configured in the policy
 * (ConfigConstructorNoPerm has no perms and checks for SecurityExceptions).
 */

import java.util.Map;
import javax.security.auth.*;
import javax.security.auth.login.*;
import javax.security.auth.spi.*;
import javax.security.auth.callback.*;

public class ConfigConstructor {

    private static Subject s = new Subject();
    private static CallbackHandler ch =
                new com.sun.security.auth.callback.TextCallbackHandler();
    private static Configuration c = new MyConfig();

    public static void main(String[] args) throws Exception {

        // test non-null behavior with provided config
        LoginContext lc = new LoginContext
                        ("module1",
                        s,
                        ch,
                        c);
        lc.login();
        System.out.println("Test 1 Passed");

        // test null behavior with provided config
        LoginContext lc2 = new LoginContext
                        ("module2",
                        null,
                        null,
                        c);
        lc2.login();
        System.out.println("Test 2 Passed");

        // test null config
        LoginContext lc3 = new LoginContext
                        ("module3",
                        s,
                        ch,
                        null);
        lc3.login();
        System.out.println("Test 3 Passed");

        // test null config
        LoginContext lc4 = new LoginContext
                        ("module4",
                        null,
                        null,
                        null);
        lc4.login();
        System.out.println("Test 4 Passed");

        // test security (without permission)
        try {
            LoginContext lc5 = new LoginContext
                        ("module5",
                        null,
                        null,
                        c);
            lc5.login();
            throw new SecurityException("test failed - security check failed");
        } catch (LoginException le) {
            if (le.getCause() instanceof SecurityException) {
                // test passed
            } else {
                le.printStackTrace();
                throw new SecurityException("test failed: " +
                    "LoginException did not have chained SecurityException");
            }
        }
        System.out.println("Test 5 Passed");

        // test security (with permission)
        LoginContext lc6 = new LoginContext
                        ("module6",
                        null,
                        null,
                        c);
        lc6.login();
        System.out.println("Test 6 Passed");

        // test other
        LoginContext lc7 = new LoginContext
                        ("goToOther",
                        null,
                        null,
                        c);
        lc7.login();
        System.out.println("Test 7 Passed");

        // test other old constructor
        LoginContext lc8 = new LoginContext
                        ("goToOther");
        lc8.login();
        System.out.println("Test 8 Passed");
    }

    private static class MyConfig extends Configuration {
        public MyConfig() { }
        public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
            java.util.HashMap map = new java.util.HashMap();
            AppConfigurationEntry[] entries = new AppConfigurationEntry[1];

            if (name.equals("module1")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                        ("ConfigConstructor$MyModule1",
                        AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                        map);
                entries[0] = entry;
            } else if (name.equals("module2")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule2",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else if (name.equals("module3")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule3",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else if (name.equals("module4")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule4",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else if (name.equals("module5")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule5",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else if (name.equals("module6")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule6",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else if (name.equalsIgnoreCase("other")) {
                AppConfigurationEntry entry = new AppConfigurationEntry
                    ("ConfigConstructor$MyModule2",
                    AppConfigurationEntry.LoginModuleControlFlag.REQUIRED,
                    map);
                entries[0] = entry;
            } else {
                entries = null;
            }
            return entries;
        }
        public void refresh() { }
    }

    public static class MyModule1 implements LoginModule {

        public MyModule1() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) {
            if (s != ConfigConstructor.s ||
                ch != ConfigConstructor.ch) {
                throw new SecurityException("Module 1 failed");
            }
        }

        public boolean login() throws LoginException { return true; }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }

    public static class MyModule2 implements LoginModule {

        public MyModule2() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) {
            if (s == ConfigConstructor.s ||
                ch != null) {
                throw new SecurityException("Module 2 failed");
            }
        }

        public boolean login() throws LoginException { return true; }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }

    public static class MyModule3 implements LoginModule {

        public MyModule3() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) {
            if (s != ConfigConstructor.s ||
                ch == null ||
                ch == ConfigConstructor.ch) {
                throw new SecurityException("Module 3 failed");
            }
        }

        public boolean login() throws LoginException { return true; }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }

    public static class MyModule4 implements LoginModule {

        public MyModule4() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) {
            if (s == ConfigConstructor.s ||
                ch != null) {
                throw new SecurityException("Module 4 failed");
            }
        }

        public boolean login() throws LoginException { return true; }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }

    public static class MyModule5 implements LoginModule {

        public MyModule5() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) { }

        public boolean login() throws LoginException {
            // do something security-sensitive
            System.out.println(System.getProperty("user.name"));
            return true;
        }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }

    public static class MyModule6 implements LoginModule {

        public MyModule6() { }

        public void initialize(Subject s, CallbackHandler ch,
                Map<String,?> state, Map options) { }

        public boolean login() throws LoginException {
            // do something security-sensitive
            System.out.println(System.getProperty("user.home"));
            return true;
        }
        public boolean commit() throws LoginException { return true; }
        public boolean abort() throws LoginException { return true; }
        public boolean logout() throws LoginException { return true; }
    }
}

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