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Code Issues Releases Wiki Activity

Make UrlencodedError::Overflow more informative (#1089)

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This commit is contained in:
Jos van den Oever 2019-09-17 02:58:04 +02:00 committed by Nikolay Kim
parent 7c9f9afc46
commit 32a1c36597
3 changed files with 21 additions and 9 deletions
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1
CHANGES.md
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@ -8,6 +8,7 @@
* Allow to re-construct `ServiceRequest` from `HttpRequest` and `Payload`
* Make UrlEncodedError::Overflow more informativve
## [1.0.7] - 2019-08-29

13
src/error.rs
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@ -32,8 +32,12 @@ pub enum UrlencodedError {
#[display(fmt = "Can not decode chunked transfer encoding")]
Chunked,
/// Payload size is bigger than allowed. (default: 256kB)
#[display(fmt = "Urlencoded payload size is bigger than allowed (default: 256kB)")]
Overflow,
#[display(
fmt = "Urlencoded payload size is bigger ({} bytes) than allowed (default: {} bytes)",
size,
limit
)]
Overflow { size: usize, limit: usize },
/// Payload size is now known
#[display(fmt = "Payload size is now known")]
UnknownLength,
@ -52,7 +56,7 @@ pub enum UrlencodedError {
impl ResponseError for UrlencodedError {
fn error_response(&self) -> HttpResponse {
match *self {
UrlencodedError::Overflow => {
UrlencodedError::Overflow { .. } => {
HttpResponse::new(StatusCode::PAYLOAD_TOO_LARGE)
}
UrlencodedError::UnknownLength => {
@ -164,7 +168,8 @@ mod tests {
#[test]
fn test_urlencoded_error() {
let resp: HttpResponse = UrlencodedError::Overflow.error_response();
let resp: HttpResponse =
UrlencodedError::Overflow { size: 0, limit: 0 }.error_response();
assert_eq!(resp.status(), StatusCode::PAYLOAD_TOO_LARGE);
let resp: HttpResponse = UrlencodedError::UnknownLength.error_response();
assert_eq!(resp.status(), StatusCode::LENGTH_REQUIRED);

16
src/types/form.rs
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@ -318,7 +318,7 @@ where
let limit = self.limit;
if let Some(len) = self.length.take() {
if len > limit {
return Err(UrlencodedError::Overflow);
return Err(UrlencodedError::Overflow { size: len, limit });
}
}
@ -331,7 +331,10 @@ where
.from_err()
.fold(BytesMut::with_capacity(8192), move |mut body, chunk| {
if (body.len() + chunk.len()) > limit {
Err(UrlencodedError::Overflow)
Err(UrlencodedError::Overflow {
size: body.len() + chunk.len(),
limit,
})
} else {
body.extend_from_slice(&chunk);
Ok(body)
@ -390,8 +393,8 @@ mod tests {
fn eq(err: UrlencodedError, other: UrlencodedError) -> bool {
match err {
UrlencodedError::Overflow => match other {
UrlencodedError::Overflow => true,
UrlencodedError::Overflow { .. } => match other {
UrlencodedError::Overflow { .. } => true,
_ => false,
},
UrlencodedError::UnknownLength => match other {
@ -420,7 +423,10 @@ mod tests {
.header(CONTENT_LENGTH, "1000000")
.to_http_parts();
let info = block_on(UrlEncoded::<Info>::new(&req, &mut pl));
assert!(eq(info.err().unwrap(), UrlencodedError::Overflow));
assert!(eq(
info.err().unwrap(),
UrlencodedError::Overflow { size: 0, limit: 0 }
));
let (req, mut pl) = TestRequest::with_header(CONTENT_TYPE, "text/plain")
.header(CONTENT_LENGTH, "10")