Files
ragflow/test/testcases/test_web_api
kpdev 6932615852 fix(api): infer /documents/{id}/download Content-Type from filename when ext is omitted (#15052) (#15053)
## Summary

- Align **GET `/api/v1/documents/<doc_id>/download`** with
**`/preview`**: resolve extension and MIME type from the stored document
name when the **`ext` query parameter is omitted**, instead of
defaulting to `markdown`.
- When **`?ext=`** is present, behavior stays the same as before
(explicit extension / `Content-Type` mapping).
- Enforce the same access + document lookup pattern as preview
(**`accessible`** + **`get_by_id`**).
- Extend unit tests for the no-`ext` PDF filename case.

## Test plan

- [x] `uv run pytest
test/testcases/test_web_api/test_document_app/test_document_metadata.py::TestDocumentMetadataUnit::test_download_attachment_success_and_exception_unit`
- [x] Optional: `curl -sSI` against
`/api/v1/documents/<pdf_doc_id>/download` without `ext` and confirm
`Content-Type: application/pdf`

Fixes #15052.
2026-05-21 15:31:36 +08:00
..