org.richfaces.util

Class LookAheadObjectInputStream

java.lang.Object

java.io.InputStream

java.io.ObjectInputStream

org.richfaces.util.LookAheadObjectInputStream

All Implemented Interfaces:

Closeable, DataInput, ObjectInput, ObjectStreamConstants, AutoCloseable

public class LookAheadObjectInputStream
extends ObjectInputStream

When deserializing objects, first check that the class being deserialized is in the allowed whitelist.

Author:

Brian Leathem

Nested Class Summary

Nested classes/interfaces inherited from class java.io.ObjectInputStream

ObjectInputStream.GetField

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_ENUM, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, STREAM_MAGIC, STREAM_VERSION, SUBCLASS_IMPLEMENTATION_PERMISSION, SUBSTITUTION_PERMISSION, TC_ARRAY, TC_BASE, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING

Constructor Summary

Constructors

Constructor and Description
LookAheadObjectInputStream(InputStream in)

Method Summary

Methods

Modifier and Type	Method and Description
protected Class<?>	resolveClass(ObjectStreamClass desc) Only deserialize primitive or whitelisted classes

Methods inherited from class java.io.ObjectInputStream

available, close, defaultReadObject, enableResolveObject, read, read, readBoolean, readByte, readChar, readClassDescriptor, readDouble, readFields, readFloat, readFully, readFully, readInt, readLine, readLong, readObject, readObjectOverride, readShort, readStreamHeader, readUnshared, readUnsignedByte, readUnsignedShort, readUTF, registerValidation, resolveObject, resolveProxyClass, skipBytes

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.io.ObjectInput

read, skip

Constructor Detail

LookAheadObjectInputStream

public LookAheadObjectInputStream(InputStream in)
                           throws IOException

Throws:

IOException

Method Detail

resolveClass

protected Class<?> resolveClass(ObjectStreamClass desc)
                         throws IOException,
                                ClassNotFoundException

Only deserialize primitive or whitelisted classes

Overrides:

resolveClass in class ObjectInputStream

Throws:

IOException

ClassNotFoundException