Refactor AWSSigV4 auth to support different AWSCredentialProviders

Signed-off-by: Vamsi Manohar <reddyvam@amazon.com>

plugin/build.gradle

@@ -98,6 +98,8 @@ configurations.all {
     resolutionStrategy.force "com.squareup.okhttp3:okhttp:4.9.3"
     resolutionStrategy.force "joda-time:joda-time:2.10.12"
     resolutionStrategy.force "org.slf4j:slf4j-api:1.7.36"
+    resolutionStrategy.force "org.apache.httpcomponents:httpcore:4.4.15"
+    resolutionStrategy.force "org.apache.httpcomponents:httpclient:4.5.13"
 }
 compileJava {
     options.compilerArgs.addAll(["-processor", 'lombok.launch.AnnotationProcessorHider$AnnotationProcessor'])

prometheus/build.gradle

@@ -22,6 +22,8 @@ dependencies {
     implementation group: 'com.fasterxml.jackson.dataformat', name: 'jackson-dataformat-cbor', version: "${versions.jackson}"
     implementation group: 'com.squareup.okhttp3', name: 'okhttp', version: '4.9.3'
     implementation 'com.github.babbel:okhttp-aws-signer:1.0.2'
+    implementation group: 'com.amazonaws', name: 'aws-java-sdk-core', version: '1.12.1'
+    implementation group: 'com.amazonaws', name: 'aws-java-sdk-sts', version: '1.12.1'
     implementation group: 'org.json', name: 'json', version: '20180813'
 
     testImplementation('org.junit.jupiter:junit-jupiter:5.6.2')

prometheus/src/main/java/org/opensearch/sql/prometheus/authinterceptors/AwsSigningInterceptor.java

@@ -7,6 +7,9 @@
 
 package org.opensearch.sql.prometheus.authinterceptors;
 
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.auth.STSAssumeRoleSessionCredentialsProvider;
 import com.babbel.mobile.android.commons.okhttpawssigner.OkHttpAwsV4Signer;
 import java.io.IOException;
 import java.time.ZoneId;
@@ -16,29 +19,29 @@
 import okhttp3.Interceptor;
 import okhttp3.Request;
 import okhttp3.Response;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 public class AwsSigningInterceptor implements Interceptor {
 
   private OkHttpAwsV4Signer okHttpAwsV4Signer;
 
-  private String accessKey;
+  private AWSCredentialsProvider awsCredentialsProvider;
 
-  private String secretKey;
+  private static final Logger LOG = LogManager.getLogger();
 
   /**
    * AwsSigningInterceptor which intercepts http requests
    * and adds required headers for sigv4 authentication.
    *
-   * @param accessKey accessKey.
-   * @param secretKey secretKey.
+   * @param awsCredentialsProvider awsCredentialsProvider.
    * @param region region.
    * @param serviceName serviceName.
    */
-  public AwsSigningInterceptor(@NonNull String accessKey, @NonNull String secretKey,
+  public AwsSigningInterceptor(@NonNull AWSCredentialsProvider awsCredentialsProvider,
                                @NonNull String region, @NonNull String serviceName) {
     this.okHttpAwsV4Signer = new OkHttpAwsV4Signer(region, serviceName);
-    this.accessKey = accessKey;
-    this.secretKey = secretKey;
+    this.awsCredentialsProvider = awsCredentialsProvider;
   }
 
   @Override
@@ -48,11 +51,21 @@ public Response intercept(Interceptor.Chain chain) throws IOException {
     DateTimeFormatter timestampFormat = DateTimeFormatter.ofPattern("yyyyMMdd'T'HHmmss'Z'")
         .withZone(ZoneId.of("GMT"));
 
-    Request newRequest = request.newBuilder()
+
+    Request.Builder newRequestBuilder = request.newBuilder()
         .addHeader("x-amz-date", timestampFormat.format(ZonedDateTime.now()))
-        .addHeader("host", request.url().host())
-        .build();
-    Request signed = okHttpAwsV4Signer.sign(newRequest, accessKey, secretKey);
+        .addHeader("host", request.url().host());
+
+    AWSCredentials awsCredentials = awsCredentialsProvider.getCredentials();
+    if (awsCredentialsProvider instanceof STSAssumeRoleSessionCredentialsProvider) {
+      newRequestBuilder.addHeader("x-amz-security-token",
+          ((STSAssumeRoleSessionCredentialsProvider) awsCredentialsProvider)
+              .getCredentials()
+              .getSessionToken());
+    }
+    Request newRequest = newRequestBuilder.build();
+    Request signed = okHttpAwsV4Signer.sign(newRequest,
+        awsCredentials.getAWSAccessKeyId(), awsCredentials.getAWSSecretKey());
     return chain.proceed(signed);
   }
 

prometheus/src/main/java/org/opensearch/sql/prometheus/storage/PrometheusStorageFactory.java

@@ -7,6 +7,8 @@
 
 package org.opensearch.sql.prometheus.storage;
 
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.HashSet;
@@ -75,7 +77,8 @@ private OkHttpClient getHttpClient(Map<String, String> config) {
       } else if (AuthenticationType.AWSSIGV4AUTH.equals(authenticationType)) {
         validateFieldsInConfig(config, Set.of(REGION, ACCESS_KEY, SECRET_KEY));
         okHttpClient.addInterceptor(new AwsSigningInterceptor(
-            config.get(ACCESS_KEY), config.get(SECRET_KEY),
+            new AWSStaticCredentialsProvider(
+                new BasicAWSCredentials(config.get(ACCESS_KEY), config.get(SECRET_KEY))),
             config.get(REGION), "aps"));
       } else {
         throw new IllegalArgumentException(

prometheus/src/test/java/org/opensearch/sql/prometheus/authinterceptors/AwsSigningInterceptorTest.java

@@ -10,6 +10,9 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
 import lombok.SneakyThrows;
 import okhttp3.Interceptor;
 import okhttp3.Request;
@@ -33,13 +36,13 @@ public class AwsSigningInterceptorTest {
   @Test
   void testConstructors() {
     Assertions.assertThrows(NullPointerException.class, () ->
-        new AwsSigningInterceptor(null, "secretKey", "us-east-1", "aps"));
+        new AwsSigningInterceptor(null, "us-east-1", "aps"));
     Assertions.assertThrows(NullPointerException.class, () ->
-        new AwsSigningInterceptor("accessKey", null, "us-east-1", "aps"));
+        new AwsSigningInterceptor(getStaticAWSCredentialsProvider("accessKey", "secretKey"), null,
+            "aps"));
     Assertions.assertThrows(NullPointerException.class, () ->
-        new AwsSigningInterceptor("accessKey", "secretKey", null, "aps"));
-    Assertions.assertThrows(NullPointerException.class, () ->
-        new AwsSigningInterceptor("accessKey", "secretKey", "us-east-1", null));
+        new AwsSigningInterceptor(getStaticAWSCredentialsProvider("accessKey", "secretKey"),
+            "us-east-1", null));
   }
 
   @Test
@@ -49,7 +52,9 @@ void testIntercept() {
         .url("http://localhost:9090")
         .build());
     AwsSigningInterceptor awsSigningInterceptor
-        = new AwsSigningInterceptor("testAccessKey", "testSecretKey", "us-east-1", "aps");
+        =
+        new AwsSigningInterceptor(getStaticAWSCredentialsProvider("testAccessKey", "testSecretKey"),
+            "us-east-1", "aps");
     awsSigningInterceptor.intercept(chain);
     verify(chain).proceed(requestArgumentCaptor.capture());
     Request request = requestArgumentCaptor.getValue();
@@ -58,4 +63,10 @@ void testIntercept() {
     Assertions.assertNotNull(request.headers("host"));
   }
 
+
+  private AWSCredentialsProvider getStaticAWSCredentialsProvider(String accessKey,
+                                                                 String secretKey) {
+    return new AWSStaticCredentialsProvider(new BasicAWSCredentials(accessKey, secretKey));
+  }
+
 }