Remove useless string conversions

src/api/k2v/router.rs

@@ -62,7 +62,7 @@ impl Endpoint {
 			.unwrap_or((path.to_owned(), ""));
 
 		if bucket.is_empty() {
-			return Err(Error::bad_request("Missing bucket name".to_owned()));
+			return Err(Error::bad_request("Missing bucket name"));
 		}
 
 		if *req.method() == Method::OPTIONS {
@@ -83,7 +83,7 @@ impl Endpoint {
 			Method::PUT => Self::from_put(partition_key, &mut query)?,
 			Method::DELETE => Self::from_delete(partition_key, &mut query)?,
 			_ if req.method() == method_search => Self::from_search(partition_key, &mut query)?,
-			_ => return Err(Error::bad_request("Unknown method".to_owned())),
+			_ => return Err(Error::bad_request("Unknown method")),
 		};
 
 		if let Some(message) = query.nonempty_message() {

src/api/s3/list.rs

@@ -594,7 +594,7 @@ impl ListObjectsQuery {
 								.ok_or_bad_request("Invalid continuation token")?,
 						)?,
 					}),
-					_ => Err(Error::bad_request("Invalid continuation token".to_string())),
+					_ => Err(Error::bad_request("Invalid continuation token")),
 				},
 
 				// StartAfter has defined semantics in the spec:

src/api/s3/post_object.rs

@@ -47,9 +47,7 @@ pub async fn handle_post_object(
 		let field = if let Some(field) = multipart.next_field().await? {
 			field
 		} else {
-			return Err(Error::bad_request(
+			return Err(Error::bad_request("Request did not contain a file"));
-				"Request did not contain a file".to_owned(),
-			));
 		};
 		let name: HeaderName = if let Some(Ok(name)) = field.name().map(TryInto::try_into) {
 			name
@@ -66,7 +64,7 @@ pub async fn handle_post_object(
 				"acl" => {
 					if params.insert("x-amz-acl", content).is_some() {
 						return Err(Error::bad_request(
-							"Field 'acl' provided more than one time".to_string(),
+							"Field 'acl' provided more than one time",
 						));
 					}
 				}
@@ -143,9 +141,7 @@ pub async fn handle_post_object(
 		.ok_or_bad_request("Invalid expiration date")?
 		.into();
 	if Utc::now() - expiration > Duration::zero() {
-		return Err(Error::bad_request(
+		return Err(Error::bad_request("Expiration date is in the paste"));
-			"Expiration date is in the paste".to_string(),
-		));
 	}
 
 	let mut conditions = decoded_policy.into_conditions()?;
@@ -324,7 +320,7 @@ impl Policy {
 			match condition {
 				PolicyCondition::Equal(map) => {
 					if map.len() != 1 {
-						return Err(Error::bad_request("Invalid policy item".to_owned()));
+						return Err(Error::bad_request("Invalid policy item"));
 					}
 					let (mut k, v) = map.into_iter().next().expect("size was verified");
 					k.make_ascii_lowercase();
@@ -332,7 +328,7 @@ impl Policy {
 				}
 				PolicyCondition::OtherOp([cond, mut key, value]) => {
 					if key.remove(0) != '$' {
-						return Err(Error::bad_request("Invalid policy item".to_owned()));
+						return Err(Error::bad_request("Invalid policy item"));
 					}
 					key.make_ascii_lowercase();
 					match cond.as_str() {
@@ -345,7 +341,7 @@ impl Policy {
 								.or_default()
 								.push(Operation::StartsWith(value));
 						}
-						_ => return Err(Error::bad_request("Invalid policy item".to_owned())),
+						_ => return Err(Error::bad_request("Invalid policy item")),
 					}
 				}
 				PolicyCondition::SizeRange(key, min, max) => {
@@ -353,7 +349,7 @@ impl Policy {
 						length.0 = length.0.max(min);
 						length.1 = length.1.min(max);
 					} else {
-						return Err(Error::bad_request("Invalid policy item".to_owned()));
+						return Err(Error::bad_request("Invalid policy item"));
 					}
 				}
 			}
@@ -419,14 +415,14 @@ where
 				// optimization to fail early when we know before the end it's too long
 				if self.length.end() < &self.read {
 					return Poll::Ready(Some(Err(Error::bad_request(
-						"File size does not match policy".to_owned(),
+						"File size does not match policy",
 					))));
 				}
 			}
 			Poll::Ready(None) => {
 				if !self.length.contains(&self.read) {
 					return Poll::Ready(Some(Err(Error::bad_request(
-						"File size does not match policy".to_owned(),
+						"File size does not match policy",
 					))));
 				}
 			}

src/api/s3/put.rs

@@ -184,7 +184,7 @@ fn ensure_checksum_matches(
 	if let Some(expected_sha256) = content_sha256 {
 		if expected_sha256 != data_sha256sum {
 			return Err(Error::bad_request(
-				"Unable to validate x-amz-content-sha256".to_string(),
+				"Unable to validate x-amz-content-sha256",
 			));
 		} else {
 			trace!("Successfully validated x-amz-content-sha256");
@@ -192,9 +192,7 @@ fn ensure_checksum_matches(
 	}
 	if let Some(expected_md5) = content_md5 {
 		if expected_md5.trim_matches('"') != base64::encode(data_md5sum) {
-			return Err(Error::bad_request(
+			return Err(Error::bad_request("Unable to validate content-md5"));
-				"Unable to validate content-md5".to_string(),
-			));
 		} else {
 			trace!("Successfully validated content-md5");
 		}
@@ -513,7 +511,7 @@ pub async fn handle_complete_multipart_upload(
 
 	let version = version.ok_or(Error::NoSuchKey)?;
 	if version.blocks.is_empty() {
-		return Err(Error::bad_request("No data was uploaded".to_string()));
+		return Err(Error::bad_request("No data was uploaded"));
 	}
 
 	let headers = match object_version.state {

src/api/s3/router.rs

@@ -342,7 +342,7 @@ impl Endpoint {
 			Method::POST => Self::from_post(key, &mut query)?,
 			Method::PUT => Self::from_put(key, &mut query, req.headers())?,
 			Method::DELETE => Self::from_delete(key, &mut query)?,
-			_ => return Err(Error::bad_request("Unknown method".to_owned())),
+			_ => return Err(Error::bad_request("Unknown method")),
 		};
 
 		if let Some(message) = query.nonempty_message() {

src/api/s3/website.rs

@@ -170,7 +170,7 @@ impl WebsiteConfiguration {
 				|| self.routing_rules.is_some())
 		{
 			return Err(Error::bad_request(
-				"Bad XML: can't have RedirectAllRequestsTo and other fields".to_owned(),
+				"Bad XML: can't have RedirectAllRequestsTo and other fields",
 			));
 		}
 		if let Some(ref ed) = self.error_document {
@@ -216,7 +216,7 @@ impl Key {
 	pub fn validate(&self) -> Result<(), Error> {
 		if self.key.0.is_empty() {
 			Err(Error::bad_request(
-				"Bad XML: error document specified but empty".to_owned(),
+				"Bad XML: error document specified but empty",
 			))
 		} else {
 			Ok(())
@@ -228,7 +228,7 @@ impl Suffix {
 	pub fn validate(&self) -> Result<(), Error> {
 		if self.suffix.0.is_empty() | self.suffix.0.contains('/') {
 			Err(Error::bad_request(
-				"Bad XML: index document is empty or contains /".to_owned(),
+				"Bad XML: index document is empty or contains /",
 			))
 		} else {
 			Ok(())
@@ -240,7 +240,7 @@ impl Target {
 	pub fn validate(&self) -> Result<(), Error> {
 		if let Some(ref protocol) = self.protocol {
 			if protocol.0 != "http" && protocol.0 != "https" {
-				return Err(Error::bad_request("Bad XML: invalid protocol".to_owned()));
+				return Err(Error::bad_request("Bad XML: invalid protocol"));
 			}
 		}
 		Ok(())
@@ -263,18 +263,18 @@ impl Redirect {
 		if self.replace_prefix.is_some() {
 			if self.replace_full.is_some() {
 				return Err(Error::bad_request(
-					"Bad XML: both ReplaceKeyPrefixWith and ReplaceKeyWith are set".to_owned(),
+					"Bad XML: both ReplaceKeyPrefixWith and ReplaceKeyWith are set",
 				));
 			}
 			if !has_prefix {
 				return Err(Error::bad_request(
-					"Bad XML: ReplaceKeyPrefixWith is set, but  KeyPrefixEquals isn't".to_owned(),
+					"Bad XML: ReplaceKeyPrefixWith is set, but  KeyPrefixEquals isn't",
 				));
 			}
 		}
 		if let Some(ref protocol) = self.protocol {
 			if protocol.0 != "http" && protocol.0 != "https" {
-				return Err(Error::bad_request("Bad XML: invalid protocol".to_owned()));
+				return Err(Error::bad_request("Bad XML: invalid protocol"));
 			}
 		}
 		// TODO there are probably more invalide cases, but which ones?