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Store original-cased query keys alongside query values

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asonix 2024-03-03 16:26:57 -06:00 committed by Alex Auvolat
parent 7c4f3473af
commit c94bf45cba
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GPG key ID: 0E496D15096376BE
1 changed files with 23 additions and 10 deletions
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33
src/api/signature/payload.rs
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@ -31,7 +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, String>;
pub type QueryMap = HashMap<String, QueryValue>;
pub struct QueryValue {
key: String,
value: String,
}
pub async fn check_payload_signature(
garage: &Garage,
@ -123,7 +128,7 @@ async fn check_presigned_signature(
mut query: QueryMap,
) -> Result<(Option<Key>, Option<Hash>), Error> {
let algorithm = query.get(X_AMZ_ALGORITHM.as_str()).unwrap();
let authorization = Authorization::parse_presigned(algorithm, &query)?;
let authorization = Authorization::parse_presigned(&algorithm.value, &query)?;
// Verify that all necessary request headers are included in signed_headers
// For AWSv4 pre-signed URLs, the following must be incldued:
@ -165,7 +170,7 @@ async fn check_presigned_signature(
let name =
HeaderName::from_bytes(name.as_bytes()).ok_or_bad_request("Invalid header name")?;
if let Some(existing) = headers_mut.get(&name) {
if signed_headers.contains(&name) && existing.as_bytes() != value.as_bytes() {
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",
name
@ -181,7 +186,7 @@ async fn check_presigned_signature(
// that are not signed, however there is not much reason that this would happen)
headers_mut.insert(
name,
HeaderValue::from_bytes(value.as_bytes())
HeaderValue::from_bytes(value.value.as_bytes())
.ok_or_bad_request("invalid query parameter value")?,
);
}
@ -197,7 +202,14 @@ pub fn parse_query_map(uri: &http::uri::Uri) -> Result<QueryMap, Error> {
if let Some(query_str) = uri.query() {
let query_pairs = url::form_urlencoded::parse(query_str.as_bytes());
for (key, val) in query_pairs {
if query.insert(key.to_lowercase().to_string(), val.into_owned()).is_some() {
let key = key.into_owned();
let value = QueryValue {
key: key.clone(),
value: val.into_owned(),
};
if query.insert(key.to_lowercase(), value).is_some() {
return Err(Error::bad_request(format!(
"duplicate query parameter: `{}`",
key
@ -306,7 +318,7 @@ pub fn canonical_request(
// Canonical query string from passed HeaderMap
let canonical_query_string = {
let mut items = Vec::with_capacity(query.len());
for (key, value) in query.iter() {
for (_, QueryValue { key, value }) in query.iter() {
items.push(uri_encode(&key, true) + "=" + &uri_encode(&value, true));
}
items.sort();
@ -476,6 +488,7 @@ impl Authorization {
let duration = query
.get(X_AMZ_EXPIRES.as_str())
.ok_or_bad_request("X-Amz-Expires not found in query parameters")?
.value
.parse()
.map_err(|_| Error::bad_request("X-Amz-Expires is not a number".to_string()))?;
@ -488,18 +501,18 @@ impl Authorization {
let date = query
.get(X_AMZ_DATE.as_str())
.ok_or_bad_request("Missing X-Amz-Date field")?;
let date = parse_date(date)?;
let date = parse_date(&date.value)?;
if Utc::now() - date > Duration::seconds(duration) {
return Err(Error::bad_request("Date is too old".to_string()));
}
let (key_id, scope) = parse_credential(cred)?;
let (key_id, scope) = parse_credential(&cred.value)?;
Ok(Authorization {
key_id,
scope,
signed_headers: signed_headers.to_string(),
signature: signature.to_string(),
signed_headers: signed_headers.value.clone(),
signature: signature.value.clone(),
content_sha256: UNSIGNED_PAYLOAD.to_string(),
date,
})