ninja

Class Aws4HashCalculator

java.lang.Object

ninja.Aws4HashCalculator

public class Aws4HashCalculator
extends Object

Hash calculator for AWS signature v4 calculation

Field Summary

Fields

Modifier and Type	Field and Description
protected static Pattern	AWS_AUTH4_PATTERN

Constructor Summary

Constructors

Constructor and Description
Aws4HashCalculator()

Method Summary

Modifier and Type	Method and Description
String	computeHash(WebContext ctx) Computes the authentication hash as specified by the AWS SDK for verification purposes.
boolean	supports(WebContext ctx) Determines if the given request contains an AWS4 auth token.

Methods inherited from class java.lang.Object

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

Field Detail

AWS_AUTH4_PATTERN

protected static final Pattern AWS_AUTH4_PATTERN

Constructor Detail

Aws4HashCalculator

public Aws4HashCalculator()

Method Detail

supports

public boolean supports(WebContext ctx)

Determines if the given request contains an AWS4 auth token.

Parameters:

ctx - the request to check

Returns:

true if the request contains an AWS4 auth token, false otherwise.

computeHash

public String computeHash(WebContext ctx)
                   throws Exception

Computes the authentication hash as specified by the AWS SDK for verification purposes.

Parameters:

ctx - the current request to fetch parameters from

Returns:

the computes hash value

Throws:

Exception - in case of an unexpected error