Package io.minio

Class Signer

java.lang.Object

io.minio.Signer

public class Signer
extends Object

Amazon AWS S3 signature V4 signer.

Method Summary

Modifier and Type	Method	Description
static String	credential(String accessKey, ZonedDateTime date, String region)	Returns credential string of given access key, date and region.
static String	getChunkSignature(String chunkSha256, ZonedDateTime date, String region, String secretKey, String prevSignature)	Returns chunk signature calculated using given arguments.
static String	postPresignV4(String stringToSign, String secretKey, ZonedDateTime date, String region)	Returns pre-signed post policy string for given stringToSign, secret key, date and region.
static HttpUrl	presignV4(Request request, String region, String accessKey, String secretKey, int expires)	Returns pre-signed HttpUrl object for given request, region, access key, secret key and expires time.
static Request	signV4S3(Request request, String region, String accessKey, String secretKey, String contentSha256)	Returns signed request of given request for S3 service.
static Request	signV4Sts(Request request, String region, String accessKey, String secretKey, String contentSha256)	Returns signed request of given request for STS service.
static byte[]	sumHmac(byte[] key, byte[] data)	Returns HMacSHA256 digest of given key and data.

Methods inherited from class java.lang.Object

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

Method Details

getChunkSignature

public static String getChunkSignature(String chunkSha256,
 ZonedDateTime date,
 String region,
 String secretKey,
 String prevSignature)
                                throws NoSuchAlgorithmException,
InvalidKeyException

Returns chunk signature calculated using given arguments.

Throws:

NoSuchAlgorithmException

InvalidKeyException

signV4S3

public static Request signV4S3(Request request,
 String region,
 String accessKey,
 String secretKey,
 String contentSha256)
                        throws NoSuchAlgorithmException,
InvalidKeyException

Returns signed request of given request for S3 service.

Throws:

NoSuchAlgorithmException

InvalidKeyException

signV4Sts

public static Request signV4Sts(Request request,
 String region,
 String accessKey,
 String secretKey,
 String contentSha256)
                         throws NoSuchAlgorithmException,
InvalidKeyException

Returns signed request of given request for STS service.

Throws:

NoSuchAlgorithmException

InvalidKeyException

presignV4

public static HttpUrl presignV4(Request request,
 String region,
 String accessKey,
 String secretKey,
 int expires)
                         throws NoSuchAlgorithmException,
InvalidKeyException

Returns pre-signed HttpUrl object for given request, region, access key, secret key and expires time.

Throws:

NoSuchAlgorithmException

InvalidKeyException

credential

public static String credential(String accessKey,
 ZonedDateTime date,
 String region)

Returns credential string of given access key, date and region.

postPresignV4

public static String postPresignV4(String stringToSign,
 String secretKey,
 ZonedDateTime date,
 String region)
                            throws NoSuchAlgorithmException,
InvalidKeyException

Returns pre-signed post policy string for given stringToSign, secret key, date and region.

Throws:

NoSuchAlgorithmException

InvalidKeyException

sumHmac

public static byte[] sumHmac(byte[] key,
 byte[] data)
                      throws NoSuchAlgorithmException,
InvalidKeyException

Returns HMacSHA256 digest of given key and data.

Throws:

NoSuchAlgorithmException

InvalidKeyException