org.restlet.ext.crypto.internal

Class AwsUtils

java.lang.Object

org.restlet.ext.crypto.internal.AwsUtils

public class AwsUtils
extends Object

Provides utility functions for implementing the Amazon S3 Authentication scheme.

Author:

Jean-Philippe Steinmetz

See Also:

Authenticating REST Requests

Constructor Summary

Constructors

Constructor and Description
AwsUtils()

Method Summary

Modifier and Type	Method and Description
static String	getCanonicalizedAmzHeaders(Series<Header> requestHeaders) Returns the canonicalized AMZ headers.
static String	getCanonicalizedResourceName(Reference reference) Returns the canonicalized resource name.
static String	getHmacSha1Signature(String stringToSign, char[] secret) Returns the AWS authentication compatible signature for the given string to sign and secret.
static String	getHmacSha256Signature(String stringToSign, char[] secret) Returns the AWS authentication compatible signature for the given string to sign and secret.
static String	getQuerySignature(Method method, Reference resourceRef, List<Parameter> params, char[] secret) Returns the AWS SimpleDB authentication compatible signature for the given request and secret.
static String	getQueryStringToSign(Method method, Reference resourceRef, List<Parameter> params) Returns the SimpleDB string to sign.
static String	getS3Signature(Request request, char[] secret) Returns the AWS S3 authentication compatible signature for the given request and secret.
static String	getS3Signature(Request request, Series<Header> headers, char[] secret) Returns the AWS S3 authentication compatible signature for the given request and secret.
static String	getS3StringToSign(Request request) Returns the string to sign.
static String	getS3StringToSign(Request request, Series<Header> headers) Returns the S3 string to sign.

Methods inherited from class java.lang.Object

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

Constructor Detail

AwsUtils

public AwsUtils()

Method Detail

getCanonicalizedAmzHeaders

public static String getCanonicalizedAmzHeaders(Series<Header> requestHeaders)

Returns the canonicalized AMZ headers.

Parameters:

requestHeaders - The list of request headers.

Returns:

The canonicalized AMZ headers.

getCanonicalizedResourceName

public static String getCanonicalizedResourceName(Reference reference)

Returns the canonicalized resource name.

Parameters:

reference - The resource reference

Returns:

The canonicalized resource name.

getHmacSha1Signature

public static String getHmacSha1Signature(String stringToSign,
                                          char[] secret)

Returns the AWS authentication compatible signature for the given string to sign and secret.

Parameters:

stringToSign - The string to sign.

secret - The user secret to sign with

Returns:

The AWS compatible signature

getHmacSha256Signature

public static String getHmacSha256Signature(String stringToSign,
                                            char[] secret)

Returns the AWS authentication compatible signature for the given string to sign and secret.

Parameters:

stringToSign - The string to sign.

secret - The user secret to sign with

Returns:

The AWS compatible signature

getQuerySignature

public static String getQuerySignature(Method method,
                                       Reference resourceRef,
                                       List<Parameter> params,
                                       char[] secret)

Returns the AWS SimpleDB authentication compatible signature for the given request and secret.

Parameters:

method - The request method.

resourceRef - The target resource reference.

params - The request parameters.

secret - The user secret to sign with

Returns:

The AWS SimpleDB compatible signature

getQueryStringToSign

public static String getQueryStringToSign(Method method,
                                          Reference resourceRef,
                                          List<Parameter> params)

Returns the SimpleDB string to sign.

Parameters:

resourceRef - The target resource reference.

Returns:

The string to sign.

getS3Signature

public static String getS3Signature(Request request,
                                    char[] secret)

Returns the AWS S3 authentication compatible signature for the given request and secret.

Parameters:

request - The request to create the signature for

secret - The user secret to sign with

Returns:

The AWS S3 compatible signature

getS3Signature

public static String getS3Signature(Request request,
                                    Series<Header> headers,
                                    char[] secret)

Returns the AWS S3 authentication compatible signature for the given request and secret.

Parameters:

request - The request to create the signature for

headers - The HTTP headers associated with the request

secret - The user secret to sign with

Returns:

The AWS S3 compatible signature

getS3StringToSign

public static String getS3StringToSign(Request request)

Returns the string to sign.

Parameters:

request - The request to generate the signature string from

Returns:

The string to sign

getS3StringToSign

public static String getS3StringToSign(Request request,
                                       Series<Header> headers)

Returns the S3 string to sign.

Parameters:

request - The request to generate the signature string from

headers - The HTTP headers associated with the request

Returns:

The string to sign