Add quotes in returned etags

src/api/s3_copy.rs

@@ -148,9 +148,9 @@ pub async fn handle_copy(
 	}
 
 	let last_modified = msec_to_rfc3339(new_timestamp);
-	let result = s3_xml::CopyObjectResult {
+	let result = CopyObjectResult {
 		last_modified: s3_xml::Value(last_modified),
-		etag: s3_xml::Value(etag),
+		etag: s3_xml::Value(format!("\"{}\"", etag)),
 	};
 	let xml = s3_xml::to_xml_with_header(&result)?;
 
@@ -394,7 +394,7 @@ pub async fn handle_upload_part_copy(
 	// LGTM
 	let resp_xml = s3_xml::to_xml_with_header(&CopyPartResult {
 		xmlns: (),
-		etag: s3_xml::Value(etag),
+		etag: s3_xml::Value(format!("\"{}\"", etag)),
 		last_modified: s3_xml::Value(msec_to_rfc3339(source_object_version.timestamp)),
 	})?;
 
@@ -553,6 +553,14 @@ impl CopyPreconditionHeaders {
 	}
 }
 
+#[derive(Debug, Serialize, PartialEq)]
+pub struct CopyObjectResult {
+	#[serde(rename = "LastModified")]
+	pub last_modified: s3_xml::Value,
+	#[serde(rename = "ETag")]
+	pub etag: s3_xml::Value,
+}
+
 #[derive(Debug, Serialize, PartialEq)]
 pub struct CopyPartResult {
 	#[serde(serialize_with = "xmlns_tag")]
@@ -568,15 +576,35 @@ mod tests {
 	use super::*;
 	use crate::s3_xml::to_xml_with_header;
 
+	#[test]
+	fn copy_object_result() -> Result<(), Error> {
+		let copy_result = CopyObjectResult {
+			last_modified: s3_xml::Value(msec_to_rfc3339(0)),
+			etag: s3_xml::Value("\"9b2cf535f27731c974343645a3985328\"".to_string()),
+		};
+		assert_eq!(
+			to_xml_with_header(&copy_result)?,
+			"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\
+<CopyObjectResult>\
+    <LastModified>1970-01-01T00:00:00.000Z</LastModified>\
+    <ETag>&quot;9b2cf535f27731c974343645a3985328&quot;</ETag>\
+</CopyObjectResult>\
+			"
+		);
+		Ok(())
+	}
+
 	#[test]
 	fn serialize_copy_part_result() -> Result<(), Error> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
+		let expected_retval = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\
-		// because XML serializer replaces them by `&quot;`
+<CopyPartResult xmlns=\"http://s3.amazonaws.com/doc/2006-03-01/\">\
-		let expected_retval = r#"<?xml version="1.0" encoding="UTF-8"?><CopyPartResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><LastModified>2011-04-11T20:34:56.000Z</LastModified><ETag>9b2cf535f27731c974343645a3985328</ETag></CopyPartResult>"#;
+	<LastModified>2011-04-11T20:34:56.000Z</LastModified>\
+	<ETag>&quot;9b2cf535f27731c974343645a3985328&quot;</ETag>\
+</CopyPartResult>";
 		let v = CopyPartResult {
 			xmlns: (),
 			last_modified: s3_xml::Value("2011-04-11T20:34:56.000Z".into()),
-			etag: s3_xml::Value("9b2cf535f27731c974343645a3985328".into()),
+			etag: s3_xml::Value("\"9b2cf535f27731c974343645a3985328\"".into()),
 		};
 		println!("{}", to_xml_with_header(&v)?);
 

src/api/s3_list.rs

@@ -121,7 +121,7 @@ pub async fn handle_list(
 				key: uriencode_maybe(key, query.common.urlencode_resp),
 				last_modified: s3_xml::Value(msec_to_rfc3339(info.last_modified)),
 				size: s3_xml::IntValue(info.size as i64),
-				etag: s3_xml::Value(info.etag.to_string()),
+				etag: s3_xml::Value(format!("\"{}\"", info.etag.to_string())),
 				storage_class: s3_xml::Value("STANDARD".to_string()),
 			})
 			.collect(),

src/api/s3_put.rs

@@ -532,7 +532,7 @@ pub async fn handle_complete_multipart_upload(
 		location: None,
 		bucket: s3_xml::Value(bucket_name.to_string()),
 		key: s3_xml::Value(key),
-		etag: s3_xml::Value(etag),
+		etag: s3_xml::Value(format!("\"{}\"", etag)),
 	};
 	let xml = s3_xml::to_xml_with_header(&result)?;
 

src/api/s3_xml.rs

@@ -107,14 +107,6 @@ pub struct DeleteResult {
 	pub errors: Vec<DeleteError>,
 }
 
-#[derive(Debug, Serialize, PartialEq)]
-pub struct CopyObjectResult {
-	#[serde(rename = "LastModified")]
-	pub last_modified: Value,
-	#[serde(rename = "ETag")]
-	pub etag: Value,
-}
-
 #[derive(Debug, Serialize, PartialEq)]
 pub struct InitiateMultipartUploadResult {
 	#[serde(serialize_with = "xmlns_tag")]
@@ -426,26 +418,6 @@ mod tests {
 		Ok(())
 	}
 
-	#[test]
-	fn copy_object_result() -> Result<(), ApiError> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
-		// because XML serializer replaces them by `&quot;`
-		let copy_result = CopyObjectResult {
-			last_modified: Value(msec_to_rfc3339(0)),
-			etag: Value("9b2cf535f27731c974343645a3985328".to_string()),
-		};
-		assert_eq!(
-			to_xml_with_header(&copy_result)?,
-			"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\
-<CopyObjectResult>\
-    <LastModified>1970-01-01T00:00:00.000Z</LastModified>\
-    <ETag>9b2cf535f27731c974343645a3985328</ETag>\
-</CopyObjectResult>\
-			"
-		);
-		Ok(())
-	}
-
 	#[test]
 	fn initiate_multipart_upload_result() -> Result<(), ApiError> {
 		let result = InitiateMultipartUploadResult {
@@ -468,14 +440,12 @@ mod tests {
 
 	#[test]
 	fn complete_multipart_upload_result() -> Result<(), ApiError> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
-		// because XML serializer replaces them by `&quot;`
 		let result = CompleteMultipartUploadResult {
 			xmlns: (),
 			location: Some(Value("https://garage.tld/mybucket/a/plop".to_string())),
 			bucket: Value("mybucket".to_string()),
 			key: Value("a/plop".to_string()),
-			etag: Value("3858f62230ac3c915f300c664312c11f-9".to_string()),
+			etag: Value("\"3858f62230ac3c915f300c664312c11f-9\"".to_string()),
 		};
 		assert_eq!(
 			to_xml_with_header(&result)?,
@@ -484,7 +454,7 @@ mod tests {
 	<Location>https://garage.tld/mybucket/a/plop</Location>\
 	<Bucket>mybucket</Bucket>\
 	<Key>a/plop</Key>\
-	<ETag>3858f62230ac3c915f300c664312c11f-9</ETag>\
+	<ETag>&quot;3858f62230ac3c915f300c664312c11f-9&quot;</ETag>\
 </CompleteMultipartUploadResult>"
 		);
 		Ok(())
@@ -544,8 +514,6 @@ mod tests {
 
 	#[test]
 	fn list_objects_v1_1() -> Result<(), ApiError> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
-		// because XML serializer replaces them by `&quot;`
 		let result = ListBucketResult {
 			xmlns: (),
 			name: Value("example-bucket".to_string()),
@@ -563,7 +531,7 @@ mod tests {
 			contents: vec![ListBucketItem {
 				key: Value("sample.jpg".to_string()),
 				last_modified: Value(msec_to_rfc3339(0)),
-				etag: Value("bf1d737a4d46a19f3bced6905cc8b902".to_string()),
+				etag: Value("\"bf1d737a4d46a19f3bced6905cc8b902\"".to_string()),
 				size: IntValue(142863),
 				storage_class: Value("STANDARD".to_string()),
 			}],
@@ -584,7 +552,7 @@ mod tests {
   <Contents>\
     <Key>sample.jpg</Key>\
     <LastModified>1970-01-01T00:00:00.000Z</LastModified>\
-    <ETag>bf1d737a4d46a19f3bced6905cc8b902</ETag>\
+    <ETag>&quot;bf1d737a4d46a19f3bced6905cc8b902&quot;</ETag>\
     <Size>142863</Size>\
     <StorageClass>STANDARD</StorageClass>\
   </Contents>\
@@ -645,8 +613,6 @@ mod tests {
 
 	#[test]
 	fn list_objects_v2_1() -> Result<(), ApiError> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
-		// because XML serializer replaces them by `&quot;`
 		let result = ListBucketResult {
 			xmlns: (),
 			name: Value("quotes".to_string()),
@@ -664,7 +630,7 @@ mod tests {
 			contents: vec![ListBucketItem {
 				key: Value("ExampleObject.txt".to_string()),
 				last_modified: Value(msec_to_rfc3339(0)),
-				etag: Value("599bab3ed2c697f1d26842727561fd94".to_string()),
+				etag: Value("\"599bab3ed2c697f1d26842727561fd94\"".to_string()),
 				size: IntValue(857),
 				storage_class: Value("REDUCED_REDUNDANCY".to_string()),
 			}],
@@ -682,7 +648,7 @@ mod tests {
   <Contents>\
     <Key>ExampleObject.txt</Key>\
     <LastModified>1970-01-01T00:00:00.000Z</LastModified>\
-    <ETag>599bab3ed2c697f1d26842727561fd94</ETag>\
+    <ETag>&quot;599bab3ed2c697f1d26842727561fd94&quot;</ETag>\
     <Size>857</Size>\
     <StorageClass>REDUCED_REDUNDANCY</StorageClass>\
   </Contents>\
@@ -693,8 +659,6 @@ mod tests {
 
 	#[test]
 	fn list_objects_v2_2() -> Result<(), ApiError> {
-		// @FIXME: ETag should be quoted, but we can't add quotes
-		// because XML serializer replaces them by `&quot;`
 		let result = ListBucketResult {
 			xmlns: (),
 			name: Value("bucket".to_string()),
@@ -714,7 +678,7 @@ mod tests {
 			contents: vec![ListBucketItem {
 				key: Value("happyfacex.jpg".to_string()),
 				last_modified: Value(msec_to_rfc3339(0)),
-				etag: Value("70ee1738b6b21e2c8a43f3a5ab0eee71".to_string()),
+				etag: Value("\"70ee1738b6b21e2c8a43f3a5ab0eee71\"".to_string()),
 				size: IntValue(1111),
 				storage_class: Value("STANDARD".to_string()),
 			}],
@@ -734,7 +698,7 @@ mod tests {
   <Contents>\
     <Key>happyfacex.jpg</Key>\
     <LastModified>1970-01-01T00:00:00.000Z</LastModified>\
-    <ETag>70ee1738b6b21e2c8a43f3a5ab0eee71</ETag>\
+    <ETag>&quot;70ee1738b6b21e2c8a43f3a5ab0eee71&quot;</ETag>\
     <Size>1111</Size>\
     <StorageClass>STANDARD</StorageClass>\
   </Contents>\