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Add OnlyOffice-based preview for office documents

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Replace Aspose.Words with OnlyOffice Document Server for generating
bitmap previews of office documents (Word, Excel, PowerPoint, etc.).

Backend:
- Add cista/onlyoffice.py conversion client
- Convert office docs directly to PNG via OnlyOffice, then AVIF via pyvips
- Make office previews optional based on OnlyOffice availability
- Remove Aspose.Words dependency and all related code
- Add spreadsheet and presentation format support

Frontend:
- Mark office files as previewable in Document.ts
- Add office extensions to MediaPreview.vue preview list
- Fix pre-existing @ts-ignore in HeaderMain.vue

Tests:
- Fix test_lrucache.py parameter name (open -> opener)

Also run ruff format across the codebase to satisfy linter checks.
This commit is contained in:
Leo Vasanko
2026-04-26 06:59:01 +00:00
parent c49e66323f
commit fb0ddd20e0
19 changed files with 1606 additions and 136 deletions
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cista/fileserver.py
+18 -10
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@@ -159,7 +159,9 @@ async def copy_or_move(request, name=""):
# Validate target shape/type before mutating anything.
for _op_name, op_keys in (("cp", cp_keys), ("mv", mv_keys)):
if len(op_keys) > 1 and not dst_is_dir:
raise BadRequest("Destination must be an existing directory for multiple keys")
raise BadRequest(
"Destination must be an existing directory for multiple keys"
)
if not op_keys:
continue
if not dst_is_dir:
@@ -172,7 +174,9 @@ async def copy_or_move(request, name=""):
for key in op_keys:
src_abs = _resolve_from_relpath(key_paths[key])
if src_abs.is_dir():
raise BadRequest("Cannot move/copy a directory to an existing file")
raise BadRequest(
"Cannot move/copy a directory to an existing file"
)
changed: set[PurePosixPath] = set()
completed: list[dict[str, str]] = []
@@ -198,11 +202,15 @@ async def copy_or_move(request, name=""):
"Destination must be an existing directory for multiple keys"
)
dst_item_rel = (
dst_rel / src_rel.name if dst_rel.parts else PurePosixPath(src_rel.name)
dst_rel / src_rel.name
if dst_rel.parts
else PurePosixPath(src_rel.name)
)
elif dst_is_dir:
dst_item_rel = (
dst_rel / src_rel.name if dst_rel.parts else PurePosixPath(src_rel.name)
dst_rel / src_rel.name
if dst_rel.parts
else PurePosixPath(src_rel.name)
)
else:
if not dst_rel.parts:
@@ -533,7 +541,7 @@ def _parse_webdav_destination(dest_header: str) -> tuple[PurePosixPath, Path]:
if raw_path in (prefix, prefix + "/"):
rel_str = ""
elif raw_path.startswith(prefix + "/"):
rel_str = raw_path[len(prefix) + 1:]
rel_str = raw_path[len(prefix) + 1 :]
else:
raise BadRequest("Destination must be within /files")
return _safe_relpath(rel_str)
@@ -551,10 +559,9 @@ def _rel_to_href(rel: PurePosixPath, *, is_dir: bool) -> str:
def _dav_xml(element: ET.Element) -> bytes:
"""Serialise an ElementTree element to UTF-8 bytes with XML declaration."""
return (
b'<?xml version="1.0" encoding="UTF-8"?>'
+ ET.tostring(element, encoding="unicode").encode("utf-8")
)
return b'<?xml version="1.0" encoding="UTF-8"?>' + ET.tostring(
element, encoding="unicode"
).encode("utf-8")
def _collect_propfind_entries(rel: PurePosixPath, path: Path, depth: str) -> list[dict]:
@@ -576,7 +583,8 @@ def _propfind_entry(rel: PurePosixPath, path: Path) -> dict:
"is_dir": is_dir,
"size": st.st_size,
"etag": f'"{st.st_mtime:.0f}-{st.st_size}"',
"content_type": mimetypes.guess_type(path.name)[0] or "application/octet-stream",
"content_type": mimetypes.guess_type(path.name)[0]
or "application/octet-stream",
"last_modified": format_date_time(st.st_mtime),
"created": datetime.fromtimestamp(st.st_ctime, tz=UTC).strftime(
"%Y-%m-%dT%H:%M:%SZ"