feat: add support for presigning DeleteObject requests (#1610)

Author: lauzadis

.changes/6632426a-83de-4ceb-8aef-0d27b01b070b.json

@@ -0,0 +1,9 @@
+{
+    "id": "6632426a-83de-4ceb-8aef-0d27b01b070b",
+    "type": "feature",
+    "description": "Add support for presigning DeleteObject requests",
+    "issues": [
+        "https://github.com/awslabs/aws-sdk-kotlin/issues/1609"
+    ],
+    "module": "s3"
+}

codegen/aws-sdk-codegen/src/main/kotlin/aws/sdk/kotlin/codegen/customization/PresignableOperations.kt

@@ -18,6 +18,7 @@ internal val DEFAULT_PRESIGNABLE_OPERATIONS: Map<String, Set<String>> = mapOf(
         "com.amazonaws.s3#GetObject",
         "com.amazonaws.s3#PutObject",
         "com.amazonaws.s3#UploadPart",
+        "com.amazonaws.s3#DeleteObject",
     ),
     "com.amazonaws.sts#AWSSecurityTokenServiceV20110615" to setOf(
         "com.amazonaws.sts#GetCallerIdentity",

services/s3/e2eTest/src/S3PresignerTest.kt

@@ -5,8 +5,10 @@
 package aws.sdk.kotlin.e2etest
 
 import aws.sdk.kotlin.services.s3.S3Client
+import aws.sdk.kotlin.services.s3.model.DeleteObjectRequest
 import aws.sdk.kotlin.services.s3.model.GetObjectRequest
 import aws.sdk.kotlin.services.s3.model.PutObjectRequest
+import aws.sdk.kotlin.services.s3.presigners.presignDeleteObject
 import aws.sdk.kotlin.services.s3.presigners.presignGetObject
 import aws.sdk.kotlin.services.s3.presigners.presignPutObject
 import aws.sdk.kotlin.testing.PRINTABLE_CHARS
@@ -50,6 +52,7 @@ class S3PresignerTest {
         withAllEngines { engine ->
             val httpClient = SdkHttpClient(engine)
 
+            // PUT
             val unsignedPutRequest = PutObjectRequest {
                 bucket = testBucket
                 key = keyName
@@ -58,6 +61,7 @@ class S3PresignerTest {
 
             S3TestUtils.responseCodeFromPut(presignedPutRequest, contents)
 
+            // GET
             val unsignedGetRequest = GetObjectRequest {
                 bucket = testBucket
                 key = keyName
@@ -69,6 +73,17 @@ class S3PresignerTest {
             call.complete()
             assertEquals(200, call.response.status.value)
             assertEquals(contents, body)
+
+            // DELETE
+            val unsignedDeleteRequest = DeleteObjectRequest {
+                bucket = testBucket
+                key = keyName
+            }
+            val presignedDeleteObject = client.presignDeleteObject(unsignedDeleteRequest, 60.seconds)
+
+            val deleteCall = httpClient.call(presignedDeleteObject)
+            deleteCall.complete()
+            assertEquals(204, deleteCall.response.status.value)
         }
     }