feat(bucket-tenants): add persisted bucket-scoped tenant credentials with bucket export and import APIs

rust/src/action.rs

@@ -57,6 +57,7 @@ pub struct RequestContext {
     pub action: StorageAction,
     pub bucket: Option<String>,
     pub key: Option<String>,
+    pub source_bucket: Option<String>,
 }
 
 impl RequestContext {
@@ -90,6 +91,7 @@ pub fn resolve_action(req: &Request<Incoming>) -> RequestContext {
                 action: StorageAction::ListAllMyBuckets,
                 bucket: None,
                 key: None,
+                source_bucket: None,
             }
         }
         1 => {
@@ -113,6 +115,7 @@ pub fn resolve_action(req: &Request<Incoming>) -> RequestContext {
                 action,
                 bucket: Some(bucket),
                 key: None,
+                source_bucket: None,
             }
         }
         2 => {
@@ -123,6 +126,18 @@ pub fn resolve_action(req: &Request<Incoming>) -> RequestContext {
             let has_part_number = query.contains_key("partNumber");
             let has_upload_id = query.contains_key("uploadId");
             let has_uploads = query.contains_key("uploads");
+            let source_bucket = if has_copy_source {
+                req.headers()
+                    .get("x-amz-copy-source")
+                    .and_then(|value| value.to_str().ok())
+                    .map(|source| {
+                        let source = source.trim_start_matches('/');
+                        let first_slash = source.find('/').unwrap_or(source.len());
+                        percent_decode(&source[..first_slash])
+                    })
+            } else {
+                None
+            };
 
             let action = match &method {
                 &Method::PUT if has_part_number && has_upload_id => StorageAction::UploadPart,
@@ -141,12 +156,14 @@ pub fn resolve_action(req: &Request<Incoming>) -> RequestContext {
                 action,
                 bucket: Some(bucket),
                 key: Some(key),
+                source_bucket,
             }
         }
         _ => RequestContext {
             action: StorageAction::ListAllMyBuckets,
             bucket: None,
             key: None,
+            source_bucket: None,
         },
     }
 }