ngg opened a new issue, #7881:
URL: https://github.com/apache/opendal/issues/7881
### Describe the bug
When using `dav-server-opendalfs` with an OpenDAL service backend, common
WebDAV operations from Windows Explorer fail or return generic errors.
he integration uses DAV paths in comparisons without first converting them
to the same normalized form OpenDAL uses internally. This can make path
comparisons fail even though the paths refer to the same object.
Collection operations are also not always handled as OpenDAL
directory-shaped paths with trailing slashes. This affects folder metadata,
listing, creation, deletion, and Windows Explorer's new-folder flow, which
creates a temporary folder and then renames it.
Some unsupported or conditional operations are also mapped to generic
failures instead of appropriate WebDAV errors.
### Steps to Reproduce
1. Run a WebDAV server using `dav-server-opendalfs` backed by an OpenDAL
service.
2. Open the OpenDAL service-backed WebDAV path from Windows Explorer.
3. Try different file and folder operations, for example:
- browse/list a directory
- create a new folder
- rename the newly-created folder
- upload or create a file
- rename, copy, or delete files
- delete folders
4. Observe that some operations fail, especially folder operations and
Windows Explorer's create-folder-then-rename workflow.
### Expected Behavior
Windows Explorer should be able to perform normal supported WebDAV
operations against an OpenDAL-backed path.
Path comparisons inside the WebDAV integration should use the same
normalized path form as OpenDAL, folder operations should use directory-shaped
paths consistently, slashless collection metadata requests should still resolve
to the directory object, and unsupported operations should return appropriate
WebDAV errors instead of generic failures.
### Additional Context
This affects the `integrations/dav-server` crate. The problematic areas
include path comparison, collection handling, empty-folder moves, capability
checks for append/create-new writes, and mapping OpenDAL errors such as
`Unsupported`, path-type errors, and conditional conflicts to suitable WebDAV
filesystem errors.
### Are you willing to submit a PR to fix this bug?
- [x] Yes, I would like to submit a PR.
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