Package org.teiid.translator.amazon.s3

Class AWS4SignerForAuthorizationHeader

java.lang.Object

org.teiid.translator.amazon.s3.AWS4SignerBase

org.teiid.translator.amazon.s3.AWS4SignerForAuthorizationHeader

public class AWS4SignerForAuthorizationHeader
extends AWS4SignerBase

Sample AWS4 signer demonstrating how to sign requests to Amazon S3 using an 'Authorization' header. This code was taken from Amazon Example. No copyright found.

Field Summary

Fields inherited from class org.teiid.translator.amazon.s3.AWS4SignerBase

ALGORITHM, dateStampFormat, DateStringFormat, dateTimeFormat, EMPTY_BODY_SHA256, endpointUrl, httpMethod, ISO8601BasicFormat, regionName, SCHEME, serviceName, TERMINATOR, UNSIGNED_PAYLOAD

Constructor Summary

Constructors

Constructor	Description
AWS4SignerForAuthorizationHeader(URL endpointUrl, String httpMethod, String serviceName, String regionName)

Method Summary

Modifier and Type	Method	Description
String	computeSignature(Map<String,String> headers, Map<String,String> queryParameters, String bodyHash, String awsAccessKey, String awsSecretKey)	Computes an AWS4 signature for a request, ready for inclusion as an 'Authorization' header.

Methods inherited from class org.teiid.translator.amazon.s3.AWS4SignerBase

getCanonicalizedHeaderString, getCanonicalizedQueryString, getCanonicalizedResourcePath, getCanonicalizeHeaderNames, getCanonicalRequest, getStringToSign, hash, hash, sign, urlEncode

Methods inherited from class java.lang.Object

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

Constructor Detail

AWS4SignerForAuthorizationHeader

public AWS4SignerForAuthorizationHeader(URL endpointUrl,
                                        String httpMethod,
                                        String serviceName,
                                        String regionName)

Method Detail

computeSignature

public String computeSignature(Map<String,String> headers,
                               Map<String,String> queryParameters,
                               String bodyHash,
                               String awsAccessKey,
                               String awsSecretKey)

Computes an AWS4 signature for a request, ready for inclusion as an 'Authorization' header.

Parameters:

headers - The request headers; 'Host' and 'X-Amz-Date' will be added to this set.

queryParameters - Any query parameters that will be added to the endpoint. The parameters should be specified in canonical format.

bodyHash - Precomputed SHA256 hash of the request body content; this value should also be set as the header 'X-Amz-Content-SHA256' for non-streaming uploads.

awsAccessKey - The user's AWS Access Key.

awsSecretKey - The user's AWS Secret Key.

Returns:

The computed authorization string for the request. This value needs to be set as the header 'Authorization' on the subsequent HTTP request.