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AwsRequestSigningTest.java
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/
AwsRequestSigningTest.java
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/*
* Copyright (c) 2021 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.connectivity.service.messaging.httppush;
import static org.assertj.core.api.Assertions.assertThat;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import org.bouncycastle.util.encoders.Hex;
import org.junit.After;
import org.junit.Test;
import akka.actor.ActorSystem;
import akka.http.javadsl.model.ContentType;
import akka.http.javadsl.model.ContentTypes;
import akka.http.javadsl.model.HttpEntities;
import akka.http.javadsl.model.HttpHeader;
import akka.http.javadsl.model.HttpRequest;
import akka.http.javadsl.model.RequestEntity;
import akka.http.javadsl.model.Uri;
import akka.http.javadsl.model.headers.HttpCredentials;
import akka.stream.javadsl.Sink;
import akka.testkit.javadsl.TestKit;
import akka.util.ByteString;
/**
* Test cases for AWS request signing.
*/
public final class AwsRequestSigningTest {
private static final String ACCESS_KEY = "MyAwesomeAccessKey";
private static final String SECRET_KEY = "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY";
private static final Instant X_AMZ_DATE = Instant.parse("2012-02-15T00:00:00Z");
private static final String REGION_NAME = "us-east-1";
private static final String SERVICE_NAME = "iam";
private static final String BODY = "The quick brown fox jumped over the lazy dog";
private static final AwsRequestSigning.XAmzContentSha256 X_AMZ_CONTENT_SHA256 =
AwsRequestSigning.XAmzContentSha256.EXCLUDED;
private final ActorSystem actorSystem = ActorSystem.create();
@After
public void shutdown() {
TestKit.shutdownActorSystem(actorSystem);
}
@Test
public void testCanonicalQuery() {
final Uri uri = Uri.create("https://www.example.com?Action=ListUsers&" +
"X-Amz-Date=20150830T123600Z&" +
"X-Amz-Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request&" +
"X-Amz-Algorithm=AWS4-HMAC-SHA256&" +
"X-Amz-SignedHeaders=content-type;host;x-amz-date&" +
"Version=2010-05-08&" +
"Order-by-Value=2&" +
"Order-by-Value=3&" +
"Order-by-Value=1&" +
"Double-Encode-Equality=a=b");
final String expectedCanonicalQuery = "Action=ListUsers&" +
"Double-Encode-Equality=a%253Db&" +
"Order-by-Value=1&" +
"Order-by-Value=2&" +
"Order-by-Value=3&" +
"Version=2010-05-08&" +
"X-Amz-Algorithm=AWS4-HMAC-SHA256&" +
"X-Amz-Credential=AKIDEXAMPLE%2F20150830%2Fus-east-1%2Fiam%2Faws4_request&" +
"X-Amz-Date=20150830T123600Z&" +
"X-Amz-SignedHeaders=content-type%3Bhost%3Bx-amz-date";
final String canonicalQuery = AwsRequestSigning.getCanonicalQuery(uri.query());
assertThat(canonicalQuery).isEqualTo(expectedCanonicalQuery);
}
@Test
public void testCanonicalHeaders() {
// lower-case charset does not work; Akka HTTP always sends the charset in upper case.
final ContentType contentType = ContentTypes.parse("application/x-www-form-urlencoded; charset=UTF-8");
final RequestEntity body = HttpEntities.create(contentType, new byte[0]);
final List<HttpHeader> headesInSequence = List.of(
HttpHeader.parse("Host", "iam.amazonaws.com"),
HttpHeader.parse("My-header1", " a b c "),
HttpHeader.parse("My-Header2", " \"a b c\" "),
HttpHeader.parse("My-header2", "def")
);
final HttpRequest request = HttpRequest.GET("https://iam.amazonaws.com")
.withEntity(body)
// can't use .addHeader because it _prepends_ the header to the list
.withHeaders(headesInSequence);
final List<String> signedHeaders =
List.of("Host", "My-header1", "X-Amz-Date", "my-headER2", "CONTENT-TYPE", "nonexistent-header");
final String expectedCanonicalHeaders =
"content-type:application/x-www-form-urlencoded; charset=UTF-8\n" +
"host:iam.amazonaws.com\n" +
"my-header1:a b c\n" +
"my-header2:\"a b c\",def\n" +
"nonexistent-header:\n" +
"x-amz-date:20150830T123600Z\n";
final AwsRequestSigning underTest =
new AwsRequestSigning(actorSystem, signedHeaders, REGION_NAME, SERVICE_NAME, ACCESS_KEY,
SECRET_KEY, true, Duration.ofSeconds(10), X_AMZ_CONTENT_SHA256);
final String canonicalHeaders =
underTest.getCanonicalHeaders(request, Instant.parse("2015-08-30T12:36:00Z"), "UNSIGNED-PAYLOAD");
assertThat(canonicalHeaders).isEqualTo(expectedCanonicalHeaders);
}
@Test
public void testXAmzContentSha256() {
final HttpRequest request = getSampleHttpRequest();
final Function<AwsRequestSigning.XAmzContentSha256, AwsRequestSigning> creator = xAmzContentSha256 ->
new AwsRequestSigning(actorSystem, List.of("host"), REGION_NAME, SERVICE_NAME, ACCESS_KEY,
SECRET_KEY, true, Duration.ofSeconds(10), xAmzContentSha256);
final var included = creator.apply(AwsRequestSigning.XAmzContentSha256.INCLUDED);
final var excluded = creator.apply(AwsRequestSigning.XAmzContentSha256.EXCLUDED);
final var unsigned = creator.apply(AwsRequestSigning.XAmzContentSha256.UNSIGNED);
assertThat(included.getCanonicalHeaders(request, Instant.parse("2015-08-30T12:36:00Z"),
included.getPayloadHash(ByteString.emptyByteString())))
.isEqualTo("host:www.example.com\n" +
"x-amz-content-sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\n");
assertThat(excluded.getCanonicalHeaders(request, Instant.parse("2015-08-30T12:36:00Z"),
excluded.getPayloadHash(ByteString.emptyByteString())))
.isEqualTo("host:www.example.com\n");
assertThat(unsigned.getCanonicalHeaders(request, Instant.parse("2015-08-30T12:36:00Z"),
unsigned.getPayloadHash(ByteString.emptyByteString())))
.isEqualTo("host:www.example.com\nx-amz-content-sha256:UNSIGNED-PAYLOAD\n");
}
@Test
public void testRequestSignature() {
final HttpRequest requestToSign = getSampleHttpRequest();
final String expectedXAmzDate = "20120215T000000Z";
final String expectedCanonicalRequest = "POST\n" +
"/p/a/t/h\n" +
"parameter=value\n" +
"host:www.example.com\n" +
"x-amz-date:" + expectedXAmzDate + "\n" +
"\n" +
"host;x-amz-date\n" +
"7d38b5cd25a2baf85ad3bb5b9311383e671a8a142eb302b324d4a5fba8748c69";
assertThat(getCanonicalRequest(requestToSign))
.describedAs("canonicalRequest")
.isEqualTo(expectedCanonicalRequest);
final String expectedStringToSign = "AWS4-HMAC-SHA256\n" +
"20120215T000000Z\n" +
"20120215/us-east-1/iam/aws4_request\n" +
"0dc3c125fe9106dfb0bf8c1f3c9552f9a56c8e5226659292303bf45232253f26";
final String stringToSign = getStringToSign(requestToSign);
assertThat(stringToSign).describedAs("stringToSign").isEqualTo(expectedStringToSign);
assertThat(getKSecret()).describedAs("kSecret")
.isEqualTo("41575334774a616c725855746e46454d492f4b374d44454e472b62507852666943594558414d504c454b4559");
assertThat(getKDate()).describedAs("kDate")
.isEqualTo("969fbb94feb542b71ede6f87fe4d5fa29c789342b0f407474670f0c2489e0a0d");
assertThat(getKRegion()).describedAs("kRegion")
.isEqualTo("69daa0209cd9c5ff5c8ced464a696fd4252e981430b10e3d3fd8e2f197d7a70c");
assertThat(getKService()).describedAs("kService")
.isEqualTo("f72cfd46f26bc4643f06a11eabb6c0ba18780c19a8da0c31ace671265e3c87fa");
assertThat(getKSigning()).describedAs("kSigning")
.isEqualTo("f4780e2d9f65fa895f9c67b32ce1baf0b0d8a43505a000a1a9e090d414db404d");
final Map<String, String> authorizationParams = Map.of(
"Credential", "MyAwesomeAccessKey/20120215/us-east-1/iam/aws4_request",
"SignedHeaders", "host;x-amz-date",
"Signature", "eda3fcc970a1d0cd3a3c3b8e7c80e876eec16d3b44459ce3e48fffd8226e4dca"
);
final HttpRequest expectedSignedRequest = getSampleHttpRequest()
.addHeader(HttpHeader.parse("x-amz-date", expectedXAmzDate))
.addCredentials(HttpCredentials.create("AWS4-HMAC-SHA256", "", authorizationParams));
final HttpRequest signedRequest = signRequest(requestToSign);
assertThat(signedRequest).describedAs("signedRequest").isEqualTo(expectedSignedRequest);
}
@Test
public void testS3CanonicalUri() {
final Uri uri = Uri.create("https://www.example.com/my-object//example//photo.user");
assertThat(AwsRequestSigning.getCanonicalUri(uri, false))
.isEqualTo("/my-object//example//photo.user");
}
@Test
public void testNonS3CanonicalUrl() {
final Uri uri = Uri.create("https://www.example.com///documents%20and%20settings//////");
assertThat(AwsRequestSigning.getCanonicalUri(uri, true))
.isEqualTo("/documents%2520and%2520settings/");
}
private static HttpRequest getSampleHttpRequest() {
final var url = "https://www.example.com/p/a/t/h?parameter=value";
final var requestEntity =
HttpEntities.create(ContentTypes.TEXT_PLAIN_UTF8, BODY);
return HttpRequest.POST(url)
.addHeader(HttpHeader.parse("Connection", "keep-alive"))
.addHeader(HttpHeader.parse("correlation-id", "qwerty"))
.withEntity(requestEntity);
}
private HttpRequest signRequest(final HttpRequest originalRequest) {
return new AwsRequestSigning(actorSystem, List.of("host", "x-amz-date"), REGION_NAME, SERVICE_NAME, ACCESS_KEY,
SECRET_KEY, true, Duration.ofSeconds(10), X_AMZ_CONTENT_SHA256)
.sign(originalRequest, X_AMZ_DATE)
.runWith(Sink.head(), actorSystem)
.toCompletableFuture()
.join();
}
private String getStringToSign(final HttpRequest httpRequest) {
return new AwsRequestSigning(actorSystem, List.of("host", "x-amz-date"), REGION_NAME, SERVICE_NAME, ACCESS_KEY,
SECRET_KEY, true, Duration.ofSeconds(10), X_AMZ_CONTENT_SHA256)
.getStringToSign(httpRequest, X_AMZ_DATE);
}
private String getCanonicalRequest(final HttpRequest httpRequest) {
final AwsRequestSigning requestSigning =
new AwsRequestSigning(actorSystem, List.of("host", "x-amz-date"), REGION_NAME, SERVICE_NAME, ACCESS_KEY,
SECRET_KEY, true, Duration.ofSeconds(10), X_AMZ_CONTENT_SHA256);
return requestSigning.getCanonicalRequest(httpRequest, X_AMZ_DATE, true,
requestSigning.getPayloadHash(httpRequest));
}
private static String getKSecret() {
return toHex(AwsRequestSigning.getKSecret(SECRET_KEY));
}
private static String getKDate() {
return toHex(AwsRequestSigning.getKDate(Hex.decode(getKSecret()), X_AMZ_DATE));
}
private static String getKRegion() {
return toHex(AwsRequestSigning.getKRegion(Hex.decode(getKDate()), REGION_NAME));
}
private static String getKService() {
return toHex(AwsRequestSigning.getKService(Hex.decode(getKRegion()), SERVICE_NAME));
}
private static String getKSigning() {
return toHex(AwsRequestSigning.getKSigning(Hex.decode(getKService())));
}
private static String toHex(final byte[] bytes) {
return Hex.toHexString(bytes);
}
}