[test-presigned] Use a HeaderMap type for QueryMap

This commit is contained in:
Alex Auvolat 2024-03-04 13:28:54 +01:00
parent c94bf45cba
commit c8e416aaa5
No known key found for this signature in database
GPG key ID: 0E496D15096376BE

View file

@ -31,11 +31,12 @@ pub const AWS4_HMAC_SHA256: &str = "AWS4-HMAC-SHA256";
pub const UNSIGNED_PAYLOAD: &str = "UNSIGNED-PAYLOAD";
pub const STREAMING_AWS4_HMAC_SHA256_PAYLOAD: &str = "STREAMING-AWS4-HMAC-SHA256-PAYLOAD";
pub type QueryMap = HashMap<String, QueryValue>;
pub type QueryMap = HeaderMap<QueryValue>;
pub struct QueryValue {
key: String,
value: String,
/// Original key with potential uppercase characters,
/// for use in signature calculation
key: String,
value: String,
}
pub async fn check_payload_signature(
@ -45,7 +46,7 @@ pub async fn check_payload_signature(
) -> Result<(Option<Key>, Option<Hash>), Error> {
let query = parse_query_map(request.uri())?;
if query.contains_key(X_AMZ_ALGORITHM.as_str()) {
if query.contains_key(&X_AMZ_ALGORITHM) {
// We check for presigned-URL-style authentification first, because
// the browser or someting else could inject an Authorization header
// that is totally unrelated to AWS signatures.
@ -127,7 +128,7 @@ async fn check_presigned_signature(
request: &mut Request<IncomingBody>,
mut query: QueryMap,
) -> Result<(Option<Key>, Option<Hash>), Error> {
let algorithm = query.get(X_AMZ_ALGORITHM.as_str()).unwrap();
let algorithm = query.get(&X_AMZ_ALGORITHM).unwrap();
let authorization = Authorization::parse_presigned(&algorithm.value, &query)?;
// Verify that all necessary request headers are included in signed_headers
@ -141,7 +142,7 @@ async fn check_presigned_signature(
// but the signature cannot be computed from a string that contains itself.
// AWS specifies that all query params except X-Amz-Signature are included
// in the canonical request.
query.remove(X_AMZ_SIGNATURE.as_str());
query.remove(&X_AMZ_SIGNATURE);
let canonical_request = canonical_request(
service,
request.method(),
@ -167,9 +168,7 @@ async fn check_presigned_signature(
// then an InvalidRequest error is raised.
let headers_mut = request.headers_mut();
for (name, value) in query.iter() {
let name =
HeaderName::from_bytes(name.as_bytes()).ok_or_bad_request("Invalid header name")?;
if let Some(existing) = headers_mut.get(&name) {
if let Some(existing) = headers_mut.get(name) {
if signed_headers.contains(&name) && existing.as_bytes() != value.value.as_bytes() {
return Err(Error::bad_request(format!(
"Conflicting values for `{}` in query parameters and request headers",
@ -198,18 +197,19 @@ async fn check_presigned_signature(
}
pub fn parse_query_map(uri: &http::uri::Uri) -> Result<QueryMap, Error> {
let mut query = QueryMap::new();
let mut query = QueryMap::with_capacity(0);
if let Some(query_str) = uri.query() {
let query_pairs = url::form_urlencoded::parse(query_str.as_bytes());
for (key, val) in query_pairs {
let key = key.into_owned();
let name =
HeaderName::from_bytes(key.as_bytes()).ok_or_bad_request("Invalid header name")?;
let value = QueryValue {
key: key.clone(),
value: val.into_owned(),
};
let value = QueryValue {
key: key.to_string(),
value: val.into_owned(),
};
if query.insert(key.to_lowercase(), value).is_some() {
if query.insert(name, value).is_some() {
return Err(Error::bad_request(format!(
"duplicate query parameter: `{}`",
key
@ -476,19 +476,19 @@ impl Authorization {
}
let cred = query
.get(X_AMZ_CREDENTIAL.as_str())
.get(&X_AMZ_CREDENTIAL)
.ok_or_bad_request("X-Amz-Credential not found in query parameters")?;
let signed_headers = query
.get(X_AMZ_SIGNEDHEADERS.as_str())
.get(&X_AMZ_SIGNEDHEADERS)
.ok_or_bad_request("X-Amz-SignedHeaders not found in query parameters")?;
let signature = query
.get(X_AMZ_SIGNATURE.as_str())
.get(&X_AMZ_SIGNATURE)
.ok_or_bad_request("X-Amz-Signature not found in query parameters")?;
let duration = query
.get(X_AMZ_EXPIRES.as_str())
.get(&X_AMZ_EXPIRES)
.ok_or_bad_request("X-Amz-Expires not found in query parameters")?
.value
.value
.parse()
.map_err(|_| Error::bad_request("X-Amz-Expires is not a number".to_string()))?;
@ -499,7 +499,7 @@ impl Authorization {
}
let date = query
.get(X_AMZ_DATE.as_str())
.get(&X_AMZ_DATE)
.ok_or_bad_request("Missing X-Amz-Date field")?;
let date = parse_date(&date.value)?;