Package org.kuali.rice.ksb.security

Class SignatureVerifyingInputStream

java.lang.Object

java.io.InputStream

javax.servlet.ServletInputStream

org.kuali.rice.ksb.security.SignatureVerifyingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class SignatureVerifyingInputStream
extends javax.servlet.ServletInputStream

An InputStream which decorates another InputStream with a wrapper that verifies the digital signature of the data after the last piece of data is read. The digital signature to verify against is passed into the constructor of this stream.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Constructor Summary

Constructors

Constructor	Description
SignatureVerifyingInputStream(byte[] digitalSignature, Signature signature, InputStream wrappedInputStream)

Method Summary

Modifier and Type	Method	Description
boolean	isFinished()
boolean	isReady()
int	read()
void	setReadListener(javax.servlet.ReadListener readListener)
protected void	verifySignature()

Methods inherited from class javax.servlet.ServletInputStream

readLine

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

SignatureVerifyingInputStream

public SignatureVerifyingInputStream(byte[] digitalSignature,
 Signature signature,
 InputStream wrappedInputStream)

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

verifySignature

protected void verifySignature()
                        throws IOException,
GeneralSecurityException

Throws:

IOException

GeneralSecurityException

isFinished

public boolean isFinished()

Specified by:

isFinished in class javax.servlet.ServletInputStream

isReady

public boolean isReady()

Specified by:

isReady in class javax.servlet.ServletInputStream

setReadListener

public void setReadListener(javax.servlet.ReadListener readListener)

Specified by:

setReadListener in class javax.servlet.ServletInputStream