Example usage for java.lang SecurityManager SecurityManager

Introduction

In this page you can find the example usage for java.lang SecurityManager SecurityManager.

Prototype

public SecurityManager() 

Source Link

Document

Constructs a new SecurityManager.

Usage

From source file:Main.java

public static boolean deleteFile(String fileName) {
    boolean status;
    SecurityManager checker = new SecurityManager();

    if (!fileName.equals("")) {

        File path = Environment.getExternalStorageDirectory();
        File newPath = new File(path.toString() + fileName);
        checker.checkDelete(newPath.toString());
        if (newPath.isFile()) {
            try {
                Log.i("DirectoryManager deleteFile", fileName);
                newPath.delete();//w ww  . ja v a  2  s  .c o  m
                status = true;
            } catch (SecurityException se) {
                se.printStackTrace();
                status = false;
            }
        } else
            status = false;
    } else
        status = false;
    return status;
}

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From source file:Main.java

public static boolean deleteDirectory(String fileName) {
    boolean status;
    SecurityManager checker = new SecurityManager();

    if (!fileName.equals("")) {

        File path = Environment.getExternalStorageDirectory();
        File newPath = new File(path.toString() + fileName);
        checker.checkDelete(newPath.toString());
        if (newPath.isDirectory()) {
            String[] listfile = newPath.list();
            // delete all files within the specified directory and then
            // delete the directory
            try {
                for (int i = 0; i < listfile.length; i++) {
                    File deletedFile = new File(newPath.toString() + "/" + listfile[i].toString());
                    deletedFile.delete();
                }/* w  w  w .ja  v  a  2 s.c o  m*/
                newPath.delete();
                Log.i("DirectoryManager deleteDirectory", fileName);
                status = true;
            } catch (Exception e) {
                e.printStackTrace();
                status = false;
            }

        } else
            status = false;
    } else
        status = false;
    return status;
}

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From source file:Main.java

public static boolean deleteDirectory(String fileName) {
    boolean status;
    SecurityManager checker = new SecurityManager();

    if (!fileName.equals("")) {

        File path = Environment.getExternalStorageDirectory();
        File newPath = new File(path.toString() + fileName);
        checker.checkDelete(newPath.toString());
        if (newPath.isDirectory()) {
            String[] listfile = newPath.list();
            // delete all files within the specified directory and then
            // delete the directory
            try {
                for (int i = 0; i < listfile.length; i++) {
                    File deletedFile = new File(newPath.toString() + "/" + listfile[i].toString());
                    deletedFile.delete();
                }/*from ww w .j av a 2s  .c  o m*/
                newPath.delete();
                Log.d(TAG, "DirectoryManager deleteDirectory" + fileName);
                status = true;
            } catch (Exception e) {
                e.printStackTrace();
                status = false;
            }

        } else
            status = false;
    } else
        status = false;
    return status;
}

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From source file:security.SecurityAdvice.java

public SecurityAdvice() {
    this.manager = new SecurityManager();
}

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From source file:org.digidoc4j.testutils.RestrictedFileWritingRule.java

@Override
protected void before() throws Throwable {
    super.before();
    System.setSecurityManager(new SecurityManager() {

        @Override// www. j a v  a 2  s .  c om
        public void checkWrite(String file) {
            if (!isAllowedToWrite(file)) {
                throw new FileWritingRestrictedException();
            }
        }

        @Override
        public void checkPermission(Permission perm) {
            return;
        }
    });
}

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From source file:SecureService.java

public void serve(InputStream i, OutputStream o) throws IOException {
    PrintWriter out = new PrintWriter(o);

    // Try to install our own security manager. If we can do this,
    // we can defeat any access control.
    out.println("Trying to create and install a security manager...");
    try {/*from ww w .  j a v a2 s .  c o  m*/
        System.setSecurityManager(new SecurityManager());
        out.println("Success!");
    } catch (Exception e) {
        out.println("Failed: " + e);
    }

    // Try to make the Server and the Java VM exit.
    // This is a denial of service attack, and it should not succeed!
    out.println();
    out.println("Trying to exit...");
    try {
        System.exit(-1);
    } catch (Exception e) {
        out.println("Failed: " + e);
    }

    // The default system policy allows this property to be read
    out.println();
    out.println("Attempting to find java version...");
    try {
        out.println(System.getProperty("java.version"));
    } catch (Exception e) {
        out.println("Failed: " + e);
    }

    // The default system policy does not allow this property to be read
    out.println();
    out.println("Attempting to find home directory...");
    try {
        out.println(System.getProperty("user.home"));
    } catch (Exception e) {
        out.println("Failed: " + e);
    }

    // Our custom policy explicitly allows this property to be read
    out.println();
    out.println("Attempting to read service.tmp property...");
    try {
        String tmpdir = System.getProperty("service.tmp");
        out.println(tmpdir);
        File dir = new File(tmpdir);
        File f = new File(dir, "testfile");

        // Check whether we've been given permission to write files to
        // the tmpdir directory
        out.println();
        out.println("Attempting to write a file in " + tmpdir + "...");
        try {
            new FileOutputStream(f);
            out.println("Opened file for writing: " + f);
        } catch (Exception e) {
            out.println("Failed: " + e);
        }

        // Check whether we've been given permission to read files from
        // the tmpdir directory
        out.println();
        out.println("Attempting to read from " + tmpdir + "...");
        try {
            FileReader in = new FileReader(f);
            out.println("Opened file for reading: " + f);
        } catch (Exception e) {
            out.println("Failed: " + e);
        }
    } catch (Exception e) {
        out.println("Failed: " + e);
    }

    // Close the Service sockets
    out.close();
    i.close();
}

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From source file:ma.glasnost.orika.test.converter.CloneableConverterNoSetAccessibleTestCase.java

@Test
public void cloneableConverterWithoutSetAccessible() throws DatatypeConfigurationException {

    final SecurityManager initialSm = System.getSecurityManager();
    try {/*  w  w  w . ja  v a2  s.  co  m*/
        System.setSecurityManager(new SecurityManager() {
            public void checkPermission(java.security.Permission perm) {
                if ("suppressAccessChecks".equals(perm.getName())) {
                    for (StackTraceElement ste : new Throwable().getStackTrace()) {
                        if (ste.getClassName().equals(CloneableConverter.class.getCanonicalName())) {
                            throw new SecurityException("not permitted");
                        }
                    }
                }
            }
        });

        CloneableConverter cc = new CloneableConverter(SampleCloneable.class);

        MapperFactory factory = MappingUtil.getMapperFactory();
        factory.getConverterFactory().registerConverter(cc);

        GregorianCalendar cal = new GregorianCalendar();
        cal.add(Calendar.YEAR, 10);
        XMLGregorianCalendar xmlCal = DatatypeFactory.newInstance()
                .newXMLGregorianCalendar((GregorianCalendar) cal);
        cal.add(Calendar.MONTH, 3);

        ClonableHolder source = new ClonableHolder();
        source.value = new SampleCloneable();
        source.value.id = 5L;
        source.date = new Date(System.currentTimeMillis() + 100000);
        source.timestamp = new Timestamp(System.currentTimeMillis() + 50000);
        source.calendar = cal;
        source.xmlCalendar = xmlCal;

        ClonableHolder dest = factory.getMapperFacade().map(source, ClonableHolder.class);
        Assert.assertEquals(source.value, dest.value);
        Assert.assertNotSame(source.value, dest.value);
        Assert.assertEquals(source.date, dest.date);
        Assert.assertNotSame(source.date, dest.date);
        Assert.assertEquals(source.timestamp, dest.timestamp);
        Assert.assertNotSame(source.timestamp, dest.timestamp);
        Assert.assertEquals(source.calendar, dest.calendar);
        Assert.assertNotSame(source.calendar, dest.calendar);
        Assert.assertEquals(source.xmlCalendar, dest.xmlCalendar);
        Assert.assertNotSame(source.xmlCalendar, dest.xmlCalendar);
    } finally {
        System.setSecurityManager(initialSm);
    }
}

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From source file:engine.Pi.java

public static void main(String[] args) {
        if (System.getSecurityManager() == null) {
            System.setSecurityManager(new SecurityManager());
        }// ww  w.j  a  va2 s  . com
        try {
            String name = "Compute";
            Compute engine = new ComputeEngine();
            Compute stub = (Compute) UnicastRemoteObject.exportObject(engine, 0);
            Registry registry = LocateRegistry.getRegistry();
            registry.rebind(name, stub);
            System.out.println("ComputeEngine bound");
        } catch (Exception e) {
            System.err.println("ComputeEngine exception:");
            e.printStackTrace();
        }
    }

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From source file:org.springframework.data.hadoop.mapreduce.ExecutionUtils.java

static void disableSystemExitCall() {
    final SecurityManager securityManager = new SecurityManager() {

        @Override/*from www  .j  av a 2  s  .c o  m*/
        public void checkPermission(Permission permission) {
            String name = permission.getName();
            if (name.startsWith("exitVM")) {
                throw new ExitTrapped(name);
            }
        }
    };

    oldSM = System.getSecurityManager();
    System.setSecurityManager(securityManager);
}

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From source file:com.samczsun.helios.Helios.java

public static void main(String[] args, Shell shell, Splash splashScreen) {
    System.setSecurityManager(new SecurityManager() {
        @Override// w w  w .j  a v a2 s.c o  m
        public void checkPermission(Permission perm) {
        }

        @Override
        public void checkPermission(Permission perm, Object context) {
        }

        @Override
        public void checkCreateClassLoader() {
        }

        @Override
        public void checkAccess(Thread t) {
        }

        @Override
        public void checkAccess(ThreadGroup g) {
        }

        @Override
        public void checkExit(int status) {
            if (!getClassContext()[3].getCanonicalName().startsWith("com.samczsun")) {
                throw new SecurityException(); //Baksmali
            }
        }

        @Override
        public void checkExec(String cmd) {
        }

        @Override
        public void checkLink(String lib) {
        }

        @Override
        public void checkRead(FileDescriptor fd) {
        }

        @Override
        public void checkRead(String file) {
        }

        @Override
        public void checkRead(String file, Object context) {
        }

        @Override
        public void checkWrite(FileDescriptor fd) {
        }

        @Override
        public void checkWrite(String file) {
        }

        @Override
        public void checkDelete(String file) {
        }

        @Override
        public void checkConnect(String host, int port) {
        }

        @Override
        public void checkConnect(String host, int port, Object context) {
        }

        @Override
        public void checkListen(int port) {
        }

        @Override
        public void checkAccept(String host, int port) {
        }

        @Override
        public void checkMulticast(InetAddress maddr) {
        }

        @Override
        public void checkMulticast(InetAddress maddr, byte ttl) {
        }

        @Override
        public void checkPropertiesAccess() {
        }

        @Override
        public void checkPropertyAccess(String key) {
        }

        @Override
        public boolean checkTopLevelWindow(Object window) {
            return true;
        }

        @Override
        public void checkPrintJobAccess() {
        }

        @Override
        public void checkSystemClipboardAccess() {
        }

        @Override
        public void checkAwtEventQueueAccess() {
        }

        @Override
        public void checkPackageAccess(String pkg) {
        }

        @Override
        public void checkPackageDefinition(String pkg) {
        }

        @Override
        public void checkSetFactory() {
        }

        @Override
        public void checkMemberAccess(Class<?> clazz, int which) {
        }

        @Override
        public void checkSecurityAccess(String target) {
        }
    });
    try {
        if (!System.getProperty("os.name").toLowerCase().contains("linux")) {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
    } catch (Exception exception) { //Not important. No point notifying the user
    }
    splashScreen.updateState(BootSequence.LOADING_SETTINGS);
    Settings.loadSettings();
    backgroundTaskGui = new BackgroundTaskGui();
    backgroundTaskHandler = new BackgroundTaskHandler();
    splashScreen.updateState(BootSequence.LOADING_ADDONS);
    AddonHandler.registerPreloadedAddons();
    for (File file : Constants.ADDONS_DIR.listFiles()) {
        AddonHandler.getAllHandlers().stream().filter(handler -> handler.accept(file)).findFirst()
                .ifPresent(handler -> {
                    handler.run(file);
                });
    }
    splashScreen.updateState(BootSequence.SETTING_UP_GUI);
    gui = new GUI(shell);
    Runtime.getRuntime().addShutdownHook(new Thread(() -> {
        Settings.saveSettings();
        getBackgroundTaskHandler().shutdown();
        processes.forEach(Process::destroy);
    }));
    splashScreen.updateState(BootSequence.COMPLETE);
    while (!splashScreen.isDisposed())
        ;
    Display.getDefault().syncExec(() -> getGui().getShell().open());

    List<File> open = new ArrayList<>();

    for (String name : args) {
        File file = new File(name);
        if (file.exists()) {
            open.add(file);
        }
    }

    submitBackgroundTask(() -> {
        Map<String, LoadedFile> newPath = new HashMap<>();
        for (String strFile : Sets.newHashSet(Settings.PATH.get().asString().split(";"))) {
            File file = new File(strFile);
            if (file.exists()) {
                try {
                    LoadedFile loadedFile = new LoadedFile(file);
                    newPath.put(loadedFile.getName(), loadedFile);
                } catch (IOException e1) {
                    ExceptionHandler.handle(e1);
                }
            }
        }
        synchronized (Helios.class) {
            path.clear();
            path.putAll(newPath);
        }
    });

    if (open.size() > 0) {
        openFiles(open.toArray(new File[open.size()]), true);
    }
}

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