diff options
Diffstat (limited to 'src/api/signature/payload.rs')
| -rw-r--r-- | src/api/signature/payload.rs | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/src/api/signature/payload.rs b/src/api/signature/payload.rs index 2a41b307..4c7934e5 100644 --- a/src/api/signature/payload.rs +++ b/src/api/signature/payload.rs @@ -11,14 +11,15 @@ use garage_util::data::Hash; use garage_model::garage::Garage; use garage_model::key_table::*; -use super::signing_hmac; -use super::{LONG_DATETIME, SHORT_DATE}; +use super::LONG_DATETIME; +use super::{compute_scope, signing_hmac}; use crate::encoding::uri_encode; -use crate::error::*; +use crate::signature::error::*; pub async fn check_payload_signature( garage: &Garage, + service: &str, request: &Request<Body>, ) -> Result<(Option<Key>, Option<Hash>), Error> { let mut headers = HashMap::new(); @@ -64,6 +65,7 @@ pub async fn check_payload_signature( let key = verify_v4( garage, + service, &authorization.credential, &authorization.date, &authorization.signature, @@ -103,7 +105,7 @@ fn parse_authorization( let (auth_kind, rest) = authorization.split_at(first_space); if auth_kind != "AWS4-HMAC-SHA256" { - return Err(Error::BadRequest("Unsupported authorization method".into())); + return Err(Error::bad_request("Unsupported authorization method")); } let mut auth_params = HashMap::new(); @@ -127,10 +129,11 @@ fn parse_authorization( let date = headers .get("x-amz-date") .ok_or_bad_request("Missing X-Amz-Date field") + .map_err(Error::from) .and_then(|d| parse_date(d))?; if Utc::now() - date > Duration::hours(24) { - return Err(Error::BadRequest("Date is too old".to_string())); + return Err(Error::bad_request("Date is too old".to_string())); } let auth = Authorization { @@ -154,7 +157,7 @@ fn parse_query_authorization( headers: &HashMap<String, String>, ) -> Result<Authorization, Error> { if algorithm != "AWS4-HMAC-SHA256" { - return Err(Error::BadRequest( + return Err(Error::bad_request( "Unsupported authorization method".to_string(), )); } @@ -177,10 +180,10 @@ fn parse_query_authorization( .get("x-amz-expires") .ok_or_bad_request("X-Amz-Expires not found in query parameters")? .parse() - .map_err(|_| Error::BadRequest("X-Amz-Expires is not a number".to_string()))?; + .map_err(|_| Error::bad_request("X-Amz-Expires is not a number".to_string()))?; if duration > 7 * 24 * 3600 { - return Err(Error::BadRequest( + return Err(Error::bad_request( "X-Amz-Exprires may not exceed a week".to_string(), )); } @@ -188,10 +191,11 @@ fn parse_query_authorization( let date = headers .get("x-amz-date") .ok_or_bad_request("Missing X-Amz-Date field") + .map_err(Error::from) .and_then(|d| parse_date(d))?; if Utc::now() - date > Duration::seconds(duration) { - return Err(Error::BadRequest("Date is too old".to_string())); + return Err(Error::bad_request("Date is too old".to_string())); } Ok(Authorization { @@ -281,6 +285,7 @@ pub fn parse_date(date: &str) -> Result<DateTime<Utc>, Error> { pub async fn verify_v4( garage: &Garage, + service: &str, credential: &str, date: &DateTime<Utc>, signature: &str, @@ -288,11 +293,7 @@ pub async fn verify_v4( ) -> Result<Key, Error> { let (key_id, scope) = parse_credential(credential)?; - let scope_expected = format!( - "{}/{}/s3/aws4_request", - date.format(SHORT_DATE), - garage.config.s3_api.s3_region - ); + let scope_expected = compute_scope(date, &garage.config.s3_api.s3_region, service); if scope != scope_expected { return Err(Error::AuthorizationHeaderMalformed(scope.to_string())); } @@ -302,20 +303,20 @@ pub async fn verify_v4( .get(&EmptyKey, &key_id) .await? .filter(|k| !k.state.is_deleted()) - .ok_or_else(|| Error::Forbidden(format!("No such key: {}", &key_id)))?; + .ok_or_else(|| Error::forbidden(format!("No such key: {}", &key_id)))?; let key_p = key.params().unwrap(); let mut hmac = signing_hmac( date, &key_p.secret_key, &garage.config.s3_api.s3_region, - "s3", + service, ) .ok_or_internal_error("Unable to build signing HMAC")?; hmac.update(payload); let our_signature = hex::encode(hmac.finalize().into_bytes()); if signature != our_signature { - return Err(Error::Forbidden("Invalid signature".to_string())); + return Err(Error::forbidden("Invalid signature".to_string())); } Ok(key) |