Java ReflectPermission類代碼示例

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
/**
 * Executes the provided operation against this store
 */
// we can do FS ops with only two elevated permissions:
// 1) hadoop dynamic proxy is messy with access rules
// 2) allow hadoop to add credentials to our Subject
<V> V execute(Operation<V> operation) throws IOException {
    SpecialPermission.check();
    if (closed) {
        throw new AlreadyClosedException("HdfsBlobStore is closed: " + this);
    }
    try {
        return AccessController.doPrivileged((PrivilegedExceptionAction<V>)
                () -> operation.run(fileContext), null, new ReflectPermission("suppressAccessChecks"),
                 new AuthPermission("modifyPrivateCredentials"), new SocketPermission("*", "connect"));
    } catch (PrivilegedActionException pae) {
        throw (IOException) pae.getException();
    }
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
static PermissionCollection getRestrictedPermissions() {
    Permissions perms = new Permissions();
    // property/env access needed for parsing
    perms.add(new PropertyPermission("*", "read"));
    perms.add(new RuntimePermission("getenv.TIKA_CONFIG"));

    // add permissions for resource access:
    // classpath
    addReadPermissions(perms, JarHell.parseClassPath());
    // plugin jars
    if (TikaImpl.class.getClassLoader() instanceof URLClassLoader) {
        addReadPermissions(perms, ((URLClassLoader)TikaImpl.class.getClassLoader()).getURLs());
    }
    // jvm's java.io.tmpdir (needs read/write)
    perms.add(new FilePermission(System.getProperty("java.io.tmpdir") + System.getProperty("file.separator") + "-",
                                 "read,readlink,write,delete"));
    // current hacks needed for POI/PDFbox issues:
    perms.add(new SecurityPermission("putProviderProperty.BC"));
    perms.add(new SecurityPermission("insertProvider"));
    perms.add(new ReflectPermission("suppressAccessChecks"));
    // xmlbeans, use by POI, needs to get the context classloader
    perms.add(new RuntimePermission("getClassLoader"));
    perms.setReadOnly();
    return perms;
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
/**
 * Returns the list of permissions for the running test.
 * 
 * @return
 */
protected List<Permission> getTestPermissions() {
	List<Permission> perms = new ArrayList<Permission>();
	perms.add(new PackagePermission("*", PackagePermission.EXPORT));
	perms.add(new PackagePermission("*", PackagePermission.IMPORT));
	perms.add(new BundlePermission("*", BundlePermission.HOST));
	perms.add(new BundlePermission("*", BundlePermission.PROVIDE));
	perms.add(new BundlePermission("*", BundlePermission.REQUIRE));
	perms.add(new ServicePermission("*", ServicePermission.REGISTER));
	perms.add(new ServicePermission("*", ServicePermission.GET));
	perms.add(new PropertyPermission("*", "read,write"));
	// required by Spring
	perms.add(new RuntimePermission("*", "accessDeclaredMembers"));
	perms.add(new ReflectPermission("*", "suppressAccessChecks"));
	// logging permission
	perms.add(new FilePermission("-", "write"));
	perms.add(new FilePermission("-", "read"));
	return perms;
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
protected List<Permission> getIAndTPermissions() {
	List<Permission> perms = new ArrayList<Permission>();
	// export package
	perms.add(new PackagePermission("*", PackagePermission.EXPORT));
	perms.add(new PackagePermission("*", PackagePermission.IMPORT));
	perms.add(new BundlePermission("*", BundlePermission.FRAGMENT));
	perms.add(new BundlePermission("*", BundlePermission.PROVIDE));
	perms.add(new ServicePermission("*", ServicePermission.REGISTER));
	perms.add(new ServicePermission("*", ServicePermission.GET));
	perms.add(new PropertyPermission("*", "read,write"));

	// required by Spring
	perms.add(new RuntimePermission("*", "accessDeclaredMembers"));
	perms.add(new ReflectPermission("*", "suppressAccessChecks"));

	// logging permission
	perms.add(new FilePermission("-", "write"));
	perms.add(new FilePermission("-", "read"));

	return perms;
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
public SimplePolicy(TestCase test, ThreadLocal<AtomicBoolean> allowAll) {
    this.allowAll = allowAll;

    // Permission needed by the tested code exercised in the test
    permissions = new Permissions();
    permissions.add(new RuntimePermission("fileSystemProvider"));
    permissions.add(new RuntimePermission("createClassLoader"));
    permissions.add(new RuntimePermission("closeClassLoader"));
    permissions.add(new RuntimePermission("getClassLoader"));
    permissions.add(new RuntimePermission("accessDeclaredMembers"));
    permissions.add(new ReflectPermission("suppressAccessChecks"));
    permissions.add(new PropertyPermission("*", "read"));
    permissions.add(new FilePermission("<<ALL FILES>>", "read"));

    // these are used for configuring the test itself...
    allPermissions = new Permissions();
    allPermissions.add(new java.security.AllPermission());
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
private void newProxyInstance() {
    // expect newProxyInstance to succeed if it's in the same runtime package
    int i = proxyClass.getName().lastIndexOf('.');
    String pkg = (i != -1) ? proxyClass.getName().substring(0, i) : "";
    boolean hasAccess = pkg.isEmpty() || hasAccess();
    try {
        Proxy.newProxyInstance(loader, interfaces, handler);
        if (!hasAccess) {
            throw new RuntimeException("ERROR: Proxy.newProxyInstance should fail " + proxyClass);
        }
    } catch (AccessControlException e) {
        if (hasAccess) {
            throw e;
        }
        if (e.getPermission().getClass() != ReflectPermission.class ||
                !e.getPermission().getName().equals(NEW_PROXY_IN_PKG + pkg)) {
            throw e;
        }
    }
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
public SimplePolicy(TestCase test, ThreadLocal<AtomicBoolean> allowAll) {
    this.allowAll = allowAll;

    // Permission needed by the tested code exercised in the test
    permissions = new Permissions();
    permissions.add(new RuntimePermission("fileSystemProvider"));
    permissions.add(new RuntimePermission("createClassLoader"));
    permissions.add(new RuntimePermission("closeClassLoader"));
    permissions.add(new RuntimePermission("getClassLoader"));
    permissions.add(new RuntimePermission("accessDeclaredMembers"));
    permissions.add(new RuntimePermission("accessSystemModules"));
    permissions.add(new ReflectPermission("suppressAccessChecks"));
    permissions.add(new PropertyPermission("*", "read"));
    permissions.add(new FilePermission("<<ALL FILES>>", "read"));

    // these are used for configuring the test itself...
    allPermissions = new Permissions();
    allPermissions.add(new java.security.AllPermission());
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
private void addPermissionsForCompilation(PermissionCollection permissions) {
    permissions.add(new PropertyPermission("sun.*", "read"));
    permissions.add(new PropertyPermission("java.*", "read"));
    permissions.add(new PropertyPermission("nonBatchMode", "read"));
    permissions.add(new PropertyPermission("os.name", "read"));
    permissions.add(new PropertyPermission("line.separator", "read"));
    permissions.add(new PropertyPermission("env.class.path", "read"));
    permissions.add(new PropertyPermission("application.home", "read"));

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

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

    permissions.add(new ReflectPermission("suppressAccessChecks"));

    permissions.add(new SocketPermission(DynaCompTest.PADDLES_CODESOURCE, "resolve"));
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
/**
 * Returns the list of permissions for the running test.
 * 
 * @return
 */
protected List getTestPermissions() {
	List perms = new ArrayList();
	perms.add(new PackagePermission("*", PackagePermission.EXPORT));
	perms.add(new PackagePermission("*", PackagePermission.IMPORT));
	perms.add(new BundlePermission("*", BundlePermission.HOST));
	perms.add(new BundlePermission("*", BundlePermission.PROVIDE));
	perms.add(new BundlePermission("*", BundlePermission.REQUIRE));
	perms.add(new ServicePermission("*", ServicePermission.REGISTER));
	perms.add(new ServicePermission("*", ServicePermission.GET));
	perms.add(new PropertyPermission("org.springframework.osgi.*", "read"));
	perms.add(new PropertyPermission("org.springframework.osgi.iandt.*", "write"));
	// required by Spring
	perms.add(new RuntimePermission("*", "accessDeclaredMembers"));
	perms.add(new ReflectPermission("*", "suppressAccessChecks"));
	return perms;
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
protected List getIAndTPermissions() {
	List perms = new ArrayList();
	// export package
	perms.add(new PackagePermission("*", PackagePermission.EXPORT));
	perms.add(new PackagePermission("*", PackagePermission.IMPORT));
	perms.add(new BundlePermission("*", BundlePermission.FRAGMENT));
	perms.add(new BundlePermission("*", BundlePermission.PROVIDE));
	perms.add(new ServicePermission("*", ServicePermission.REGISTER));
	perms.add(new ServicePermission("*", ServicePermission.GET));
	perms.add(new PropertyPermission("*", "read,write"));

	// required by Spring
	perms.add(new RuntimePermission("*", "accessDeclaredMembers"));
	perms.add(new ReflectPermission("*", "suppressAccessChecks"));

	return perms;
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
private static AccessControlContext createSecurityContext() {
    PermissionCollection perms = new Permissions();
    perms.add(new RuntimePermission("accessClassInPackage.com" + ".sun.xml.internal.ws.runtime.config")); // avoid repackaging
    perms.add(new ReflectPermission("suppressAccessChecks"));
    return new AccessControlContext(
            new ProtectionDomain[]{
                    new ProtectionDomain(null, perms),
            });
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
/**
 * {@inheritDoc}
 *
 * @see java.lang.SecurityManager#checkPermission(java.security.Permission)
 */
@Override
public void checkPermission ( Permission perm ) {
    if ( perm instanceof RuntimePermission ) {
        if ( checkRuntimePermission((RuntimePermission) perm) ) {
            return;
        }
    }
    else if ( perm instanceof ReflectPermission ) {
        return;
    }
    else if ( perm instanceof LoggingPermission ) {
        return;
    }
    else if ( perm instanceof SecurityPermission ) {
        return;
    }
    else if ( perm instanceof PropertyPermission ) {
        return;
    }
    else if ( perm instanceof NetPermission && perm.getName().equals("specifyStreamHandler") ) {
        return;
    }
    else if ( perm instanceof FilePermission && perm.getActions().equals("read") ) {
        return;
    }
    else if ( perm instanceof SerializablePermission ) {
        return;
    }

    super.checkPermission(perm);
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
public SimplePolicy(TestCase test, ThreadLocal<AtomicBoolean> allowAll) {
    this.allowAll = allowAll;
    // we don't actually need any permission to create our
    // FileHandlers because we're passing invalid parameters
    // which will make the creation fail...
    permissions = new Permissions();
    permissions.add(new RuntimePermission("accessDeclaredMembers"));
    permissions.add(new ReflectPermission("suppressAccessChecks"));

    // these are used for configuring the test itself...
    allPermissions = new Permissions();
    allPermissions.add(new java.security.AllPermission());

}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
NewInstancePolicy(boolean grant) {
    this.grant = grant;
    permissions.add(new SecurityPermission("getPolicy"));
    if (grant) {
        permissions.add(new RuntimePermission("getClassLoader"));
        permissions.add(new ReflectPermission(NEW_PROXY_IN_PKG + "p"));
        permissions.add(new ReflectPermission(NEW_PROXY_IN_PKG + "java.util.zip"));
    }
}
 

import java.lang.reflect.ReflectPermission; //導入依賴的package包/類
private static boolean canAccessPrivateMethods() {
  try {
    SecurityManager securityManager = System.getSecurityManager();
    if (null != securityManager) {
      securityManager.checkPermission(new ReflectPermission("suppressAccessChecks"));
    }
  } catch (SecurityException e) {
    return false;
  }
  return true;
}