region_name='us-east-1')


def _add_header(request, **kwargs):
    request.headers.add_header('x-minio-extract', 'true')
event_system = s3.meta.events
event_system.register_first('before-sign.s3.*', _add_header)

# List zip contents
response = s3.list_objects_v2(Bucket="your-bucket", Prefix="path/to/file.zip/")
print(response)

# Download data.csv stored in the zip file

	if canonicalQuery != "" {
		return encodedResource + "?" + canonicalQuery
	}
	return encodedResource
}

// Return string to sign under two different conditions.
// - if expires string is set then string to sign includes date instead of the Date header.
// - if expires string is empty then string to sign includes date header instead.

		valueBuffer.Write([]byte{'\n'})
	}
	sig = sig[len("x-amz-trailer-signature:"):]
	sig = bytes.TrimSpace(sig)
	cr.chunkSHA256Writer.Write(valueBuffer.Bytes())
	wantSig := cr.getTrailerChunkSignature()
	if !compareSignatureV4(string(sig), wantSig) {
		if cr.debug {
			fmt.Printf("signature, want: %q, got %q\nSignature buffer: %q\n", wantSig, string(sig), valueBuffer.String())
		}
		return errSignatureMismatch
	}

is validated by using a JWT id_token from the web identity provider. The temporary security credentials returned by this API consists of an access key, a secret key, and a security token. Applications can use these temporary security credentials to sign calls to MinIO API operations.

By default, the temporary security credentials created by AssumeRoleWithWebIdentity last for one hour. However, the optional DurationSeconds parameter can be used to specify the validity duration of the generated...

	if globalSiteReplicationSys.isEnabled() && cred.AccessKey != siteReplicatorSvcAcc {
		nsecret, err := getTokenSigningKey()
		if err != nil {
			return nil, toAPIErrorCode(r.Context(), err)
		}
		// sign root's temporary accounts also with site replicator creds
		if cred.ParentUser != globalActiveCred.AccessKey || cred.IsTemp() {
			secret = nsecret
		}
	}
	if cred.IsServiceAccount() {
		token = cred.SessionToken

		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "Sign":
			z.Sign, err = dc.ReadBytes(z.Sign)
			if err != nil {
				err = msgp.WrapError(err, "Sign")
				return
			}
		case "OldDataDir":
			z.OldDataDir, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "OldDataDir")

	// Save signature finally.
	req.URL.RawQuery += "&Signature=" + url.QueryEscape(signature)
	return nil
}

// Sign given request using Signature V2.
func signRequestV2(req *http.Request, accessKey, secretKey string) error {
	signer.SignV2(*req, accessKey, secretKey, false)
	return nil
}

// Sign given request using Signature V4.
func signRequestV4(req *http.Request, accessKey, secretKey string) error {

				return errFileCorrupt
			}
			resp, err := disks[index].RenameData(ctx, srcBucket, srcEntry, fi, dstBucket, dstEntry, RenameOptions{})
			if err != nil {
				return err
			}
			diskVersions[index] = resp.Sign
			dataDirs[index] = resp.OldDataDir
			return nil
		}, index)
	}

	// Wait for all renames to finish.
	errs := g.Wait()

//   - on rewrite dataDir on disk that must be additionally purged
//     only after as a 2-phase call, allowing the older dataDir to
//     hang-around in-case we need some form of recovery.
type RenameDataResp struct {
	Sign       []byte
	OldDataDir string // contains '<uuid>', it is designed to be passed as value to Delete(bucket, pathJoin(object, dataDir))
}

// LocalDiskIDs - GetLocalIDs response.
type LocalDiskIDs struct {

// according to the AWS S3 signature V4 spec.
func compareSignatureV4(sig1, sig2 string) bool {
	// The CTC using []byte(str) works because the hex encoding
	// is unique for a sequence of bytes. See also compareSignatureV2.
	return subtle.ConstantTimeCompare([]byte(sig1), []byte(sig2)) == 1
}

// doesPolicySignatureMatch - Verify query headers with post policy