Example usage for java.security AccessControlContext checkPermission

Introduction

In this page you can find the example usage for java.security AccessControlContext checkPermission.

Prototype

public void checkPermission(Permission perm) throws AccessControlException 

Source Link

Document

Determines whether the access request indicated by the specified permission should be allowed or denied, based on the security policy currently in effect, and the context in this object.

Usage

From source file:org.eclipse.equinox.http.servlet.internal.multipart.MultipartSupportImpl.java

private void checkPermission(File baseStorage, ServletContext servletContext) {
    BundleContext bundleContext = (BundleContext) servletContext.getAttribute("osgi-bundlecontext"); //$NON-NLS-1$
    Bundle bundle = bundleContext.getBundle();
    AccessControlContext accessControlContext = bundle.adapt(AccessControlContext.class);
    if (accessControlContext == null)
        return;//from   w w  w  .  jav  a 2  s . com
    accessControlContext.checkPermission(new FilePermission(baseStorage.getAbsolutePath(), "read,write")); //$NON-NLS-1$
}

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From source file:org.elasticsearch.hadoop.script.GroovyScriptEngineService.java

public GroovyScriptEngineService(Settings settings) {
    super(settings);

    deprecationLogger.deprecated("[groovy] scripts are deprecated, use [painless] scripts instead");

    // Creates the classloader here in order to isolate Groovy-land code
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        sm.checkPermission(new SpecialPermission());
    }/*from  w w w.  ja v a2s  .  c o  m*/
    this.loader = AccessController.doPrivileged((PrivilegedAction<ClassLoader>) () -> {
        // snapshot our context (which has permissions for classes), since the script has none
        AccessControlContext context = AccessController.getContext();
        return new ClassLoader(getClass().getClassLoader()) {
            @Override
            protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
                if (sm != null) {
                    try {
                        context.checkPermission(new ClassPermission(name));
                    } catch (SecurityException e) {
                        throw new ClassNotFoundException(name, e);
                    }
                }
                return super.loadClass(name, resolve);
            }
        };
    });
}

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