Package com.mapr.util

Class AwsV4Signer

java.lang.Object

com.mapr.util.AwsV4Signer

public class AwsV4Signer
extends java.lang.Object

Amazon AWS S3 signature V4 signer.

Field Summary

Fields

Modifier and Type	Field	Description
static java.time.format.DateTimeFormatter	AMZ_DATE_FORMAT
static java.time.format.DateTimeFormatter	SIGNER_DATE_FORMAT
static java.time.ZoneId	UTC

Method Summary

Modifier and Type	Method	Description
static java.lang.String	credential(java.lang.String accessKey, java.time.ZonedDateTime date, java.lang.String region)	Returns credential string of given access key, date and region.
static java.lang.String	getChunkSignature(java.lang.String chunkSha256, java.time.ZonedDateTime date, java.lang.String region, java.lang.String secretKey, java.lang.String prevSignature)	Returns chunk signature calculated using given arguments.
static java.lang.String	postPresignV4(java.lang.String stringToSign, java.lang.String secretKey, java.time.ZonedDateTime date, java.lang.String region)	Returns pre-signed post policy string for given stringToSign, secret key, date and region.
static java.lang.String	sha256Hash(byte[] data, int length)	Returns SHA-256 hash of byte array.
static java.lang.String	sha256Hash(java.lang.String string)	Returns SHA-256 hash of given string.
static okhttp3.Request	signV4S3(okhttp3.Request request, java.lang.String region, java.lang.String accessKey, java.lang.String secretKey, java.lang.String contentSha256)	Returns signed request of given request for S3 service.
static okhttp3.Request	signV4Service(java.lang.String serviceName, okhttp3.Request request, java.lang.String region, java.lang.String accessKey, java.lang.String secretKey, java.lang.String contentSha256)
static okhttp3.Request	signV4Sts(okhttp3.Request request, java.lang.String region, java.lang.String accessKey, java.lang.String secretKey, java.lang.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

Field Detail

UTC

public static final java.time.ZoneId UTC

AMZ_DATE_FORMAT

public static final java.time.format.DateTimeFormatter AMZ_DATE_FORMAT

SIGNER_DATE_FORMAT

public static final java.time.format.DateTimeFormatter SIGNER_DATE_FORMAT

Method Detail

sha256Hash

public static java.lang.String sha256Hash(byte[] data,
                                          int length)
                                   throws java.security.NoSuchAlgorithmException

Returns SHA-256 hash of byte array.

Throws:

java.security.NoSuchAlgorithmException

sha256Hash

public static java.lang.String sha256Hash(java.lang.String string)
                                   throws java.security.NoSuchAlgorithmException

Returns SHA-256 hash of given string.

Throws:

java.security.NoSuchAlgorithmException

getChunkSignature

public static java.lang.String getChunkSignature(java.lang.String chunkSha256,
                                                 java.time.ZonedDateTime date,
                                                 java.lang.String region,
                                                 java.lang.String secretKey,
                                                 java.lang.String prevSignature)
                                          throws java.security.NoSuchAlgorithmException,
                                                 java.security.InvalidKeyException

Returns chunk signature calculated using given arguments.

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

signV4Service

public static okhttp3.Request signV4Service(java.lang.String serviceName,
                                            okhttp3.Request request,
                                            java.lang.String region,
                                            java.lang.String accessKey,
                                            java.lang.String secretKey,
                                            java.lang.String contentSha256)
                                     throws java.security.NoSuchAlgorithmException,
                                            java.security.InvalidKeyException

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

signV4S3

public static okhttp3.Request signV4S3(okhttp3.Request request,
                                       java.lang.String region,
                                       java.lang.String accessKey,
                                       java.lang.String secretKey,
                                       java.lang.String contentSha256)
                                throws java.security.NoSuchAlgorithmException,
                                       java.security.InvalidKeyException

Returns signed request of given request for S3 service.

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

signV4Sts

public static okhttp3.Request signV4Sts(okhttp3.Request request,
                                        java.lang.String region,
                                        java.lang.String accessKey,
                                        java.lang.String secretKey,
                                        java.lang.String contentSha256)
                                 throws java.security.NoSuchAlgorithmException,
                                        java.security.InvalidKeyException

Returns signed request of given request for STS service.

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

credential

public static java.lang.String credential(java.lang.String accessKey,
                                          java.time.ZonedDateTime date,
                                          java.lang.String region)

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

postPresignV4

public static java.lang.String postPresignV4(java.lang.String stringToSign,
                                             java.lang.String secretKey,
                                             java.time.ZonedDateTime date,
                                             java.lang.String region)
                                      throws java.security.NoSuchAlgorithmException,
                                             java.security.InvalidKeyException

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

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException

sumHmac

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

Returns HMacSHA256 digest of given key and data.

Throws:

java.security.NoSuchAlgorithmException

java.security.InvalidKeyException