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-rw-r--r--src/api/signature/payload.rs57
1 files changed, 35 insertions, 22 deletions
diff --git a/src/api/signature/payload.rs b/src/api/signature/payload.rs
index 0029716a..d72736bb 100644
--- a/src/api/signature/payload.rs
+++ b/src/api/signature/payload.rs
@@ -31,7 +31,13 @@ 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 = HeaderMap<QueryValue>;
+pub struct QueryValue {
+ /// Original key with potential uppercase characters,
+ /// for use in signature calculation
+ key: String,
+ value: String,
+}
pub async fn check_payload_signature(
garage: &Garage,
@@ -40,7 +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.
@@ -122,8 +128,8 @@ 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 authorization = Authorization::parse_presigned(algorithm, &query)?;
+ 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
// For AWSv4 pre-signed URLs, the following must be incldued:
@@ -136,7 +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(),
@@ -162,10 +168,8 @@ 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 signed_headers.contains(&name) && existing.as_bytes() != value.as_bytes() {
+ 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",
name
@@ -181,7 +185,7 @@ 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")?,
);
}
@@ -193,11 +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 {
- if query.insert(key.to_string(), val.into_owned()).is_some() {
+ let name =
+ HeaderName::from_bytes(key.as_bytes()).ok_or_bad_request("Invalid header name")?;
+
+ let value = QueryValue {
+ key: key.to_string(),
+ value: val.into_owned(),
+ };
+
+ if query.insert(name, 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();
@@ -464,18 +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
.parse()
.map_err(|_| Error::bad_request("X-Amz-Expires is not a number".to_string()))?;
@@ -486,20 +499,20 @@ 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)?;
+ 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,
})