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Main.java
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package nl.ru.s3test;
import java.io.File;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Base64;
import java.util.Date;
import java.util.List;
import software.amazon.awssdk.core.internal.http.loader.DefaultSdkHttpClientBuilder;
import software.amazon.awssdk.core.sync.RequestBody;
import software.amazon.awssdk.endpoints.Endpoint;
import software.amazon.awssdk.http.SdkHttpConfigurationOption;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.S3Configuration;
import software.amazon.awssdk.services.s3.endpoints.S3EndpointParams;
import software.amazon.awssdk.services.s3.endpoints.S3EndpointProvider;
import software.amazon.awssdk.services.s3.model.*;
import java.net.URI;
import java.util.Random;
import java.util.concurrent.CompletableFuture;
import java.util.function.Consumer;
import software.amazon.awssdk.utils.AttributeMap;
public class Main {
static List<String> partHashes = List.of(
"sMr7YveEjyARSsdNUjA5ClGv8/B7EyNLf7fvgOha2AA=",
"kvSJiBkFRHxltpMXtNJrHSwwZGdShD5oQaO2laYv8nY=",
"y44bgegqZU2JpeFSuQHbLiHZZgKK6kakqiFY3Y09Mtk=",
"ph/2HqhwijI12Gh/6b7ReIvf67cUeZyLwiDCsxzBXzI=",
"BxzmIZGn83fWg/ClGH2iJDPlzfxz4UichPmkK2KpfVA=",
"G+uCR/4NBYzxGKVmdtMMNkRsd183L+kWoBz9tQC5ZeI=",
"marl9uL3CA6LhHm0gx21NuwJEjUcVhzL2PUsTtMs9lk=",
"xdP1/dv00AdFztBQCo5O005nakcxIfniaKLEixQILdg=",
"upuMrJszzrTqtw3z0mgmJXok1HbckM2gNRCtqPJ6e/g=",
"LXAvGdYE+16mz9/318MSsrjQRvIdGbJXniB+J7kxufA="
);
public static void main(String[] args) {
String endpoint = args[0];
String bucket = args[1];
System.out.println("Connecting to " + endpoint + " using " + bucket);
final AttributeMap attributeMap = AttributeMap.builder()
.put(SdkHttpConfigurationOption.TRUST_ALL_CERTIFICATES, true)
.build();
S3Client s3 = S3Client.builder()
.region(Region.AF_SOUTH_1)
.serviceConfiguration(S3Configuration.builder()
.pathStyleAccessEnabled(true)
.build())
.httpClient(new DefaultSdkHttpClientBuilder().buildWithDefaults(attributeMap))
.endpointOverride(URI.create(args[0]))
.build();
System.out.println("Buckets");
s3.listBuckets().buckets().forEach(System.out::println);
uploadTestFile(s3, bucket, "w6uP8Tcg6K2QR905Rms8iXTlksL6OD1KOWBxTK7wxPI=",
"Pyx8yumK+B5EwOxBlln1DYt9SMaB5dV/x0fQRh5C3aE=-1", "foobar");
boolean failed = false;
try {
uploadTestFile(s3, bucket, "aauP8Tcg6K2QR905Rms8iXTlksL6OD1KOWBxTK7wxPI=",
"Pyx8yumK+B5EwOxBlln1DYt9SMaB5dV/x0fQRh5C3aE=-1", "foobar");
System.out.println("ERROR: Incorrect part hash was excepted.");
failed = true;
} catch (S3Exception e) {
if ("The provided 'x-amz-checksum' header does not match what was computed.".equals(
e.awsErrorDetails().errorMessage())) {
System.out.println("Incorrect part checksum failed as expected.");
} else {
System.out.println("ERROR: " + e.getMessage());
failed = true;
}
}
try {
uploadTestFile(s3, bucket, "w6uP8Tcg6K2QR905Rms8iXTlksL6OD1KOWBxTK7wxPI=",
"aax8yumK+B5EwOxBlln1DYt9SMaB5dV/x0fQRh5C3aE=-1", "foobar");
System.out.println("ERROR: Incorrect object hash was excepted.");
failed = true;
} catch (S3Exception e) {
if ("The provided 'x-amz-checksum' header does not match what was computed.".equals(
e.awsErrorDetails().errorMessage())) {
System.out.println("Incorrect object checksum failed as expected.");
} else {
System.out.println("ERROR: " + e.getMessage());
failed = true;
}
}
if (failed) {
System.exit(-2);
}
uploadParts(s3, bucket, args[2], false);
uploadParts(s3, bucket, args[2], true);
}
private static void uploadTestFile(S3Client s3, String bucket, String partHash, String objectHash, String data) {
String key = bucket + "/testpupload" + new Random().nextInt();
System.out.println(" === ");
System.out.println("Uploading to " + bucket + "/" + key);
CreateMultipartUploadResponse result = s3.createMultipartUpload(b -> b
.bucket(bucket)
.key(key)
.checksumAlgorithm(ChecksumAlgorithm.SHA256)
);
System.out.println("Upload id:" + result.uploadId());
s3.uploadPart(b -> b
.partNumber(1)
.bucket(bucket)
.uploadId(result.uploadId())
.key(key)
.checksumAlgorithm(ChecksumAlgorithm.SHA256)
.checksumSHA256(partHash)
, RequestBody.fromString(data));
ListPartsResponse parts = s3.listParts(b -> b
.bucket(bucket)
.uploadId(result.uploadId())
.key(key)
);
parts.parts().forEach(System.out::println);
CompleteMultipartUploadResponse uploadResponse = s3.completeMultipartUpload(b -> b
.bucket(bucket)
.uploadId(result.uploadId()).key(key)
.multipartUpload(c -> c
.parts(parts.parts().stream().map(p -> CompletedPart.builder()
.partNumber(p.partNumber())
.eTag(p.eTag())
.checksumSHA256(p.checksumSHA256())
.build())
.toList()
)
)
.checksumSHA256(objectHash)
);
System.out.println("Response was ok/not ok: " + uploadResponse.sdkHttpResponse().statusCode()
+ uploadResponse.sdkHttpResponse().statusText());
System.out.println("Response checksum: " + uploadResponse.checksumSHA256());
}
private static void uploadParts(S3Client s3, String bucket, String dir, boolean skipHashchecksum) {
String key = "100m" + new Date().toString().replace(' ', '-') + " " + new Random().nextInt(100);
System.out.println(" === ");
String compositeChecksum = compositeChecksum();
long start = System.currentTimeMillis();
CreateMultipartUploadResponse result = s3.createMultipartUpload(b ->
{
b = b.bucket(bucket).key(key);
if (!skipHashchecksum) {
b.checksumAlgorithm(ChecksumAlgorithm.SHA256);
}
}
);
System.out.println("Upload id:" + result.uploadId());
for (int i = 0; i < partHashes.size(); i++ ) {
long partStart = System.currentTimeMillis();
uploadPart(s3, bucket, key, result.uploadId(), i, dir, skipHashchecksum);
System.out.println("Part " + i + " uploaded in " + (System.currentTimeMillis() - partStart) + "ms");
}
ListPartsResponse parts = s3.listParts(b -> b
.bucket(bucket)
.uploadId(result.uploadId())
.key(key)
);
parts.parts().forEach(System.out::println);
CompleteMultipartUploadResponse uploadResponse = s3.completeMultipartUpload(b -> {
b = b.bucket(bucket)
.uploadId(result.uploadId()).key(key)
.multipartUpload(c -> c
.parts(parts.parts().stream().map(p -> CompletedPart.builder()
.partNumber(p.partNumber())
.eTag(p.eTag())
.checksumSHA256(p.checksumSHA256())
.build())
.toList()
)
);
if (!skipHashchecksum) {
b.checksumSHA256(compositeChecksum);
}
}
);
System.out.println(System.currentTimeMillis() - start);
if (skipHashchecksum) {
System.out.println("Response was ok/not ok: " + uploadResponse.sdkHttpResponse().statusCode() + " for " + key + " without checksum");
} else {
System.out.println("Response was ok/not ok: " + uploadResponse.sdkHttpResponse().statusCode() + " for " + key + " "
+ compositeChecksum);
}
}
private static String compositeChecksum() {
try {
MessageDigest sha256ChecksumOfChecksums = MessageDigest.getInstance("SHA-256");
partHashes.forEach(part -> sha256ChecksumOfChecksums.update(Base64.getDecoder().decode(part)));
return Base64.getEncoder().encodeToString(sha256ChecksumOfChecksums.digest()) + "-" + partHashes.size();
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
private static void uploadPart(S3Client s3, String bucket, String key, String uploadId, int i, String dir,
boolean skipHashchecksum) {
s3.uploadPart(b -> {
b = b.partNumber(i + 1)
.bucket(bucket)
.uploadId(uploadId)
.key(key);
if (!skipHashchecksum) {
b.checksumAlgorithm(ChecksumAlgorithm.SHA256)
.checksumSHA256(partHashes.get(i));
}
}
, RequestBody.fromFile(new File(dir, "part" + i)));
}
}