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add support for max-resource-size check on PUT

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This commit is contained in:
Peter Bieringer
2025-12-11 23:07:58 +01:00
parent e1b0721f9e
commit edd6195b6b
1 changed files with 33 additions and 6 deletions
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39
radicale/app/put.py
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@@ -46,7 +46,7 @@ PRODID = u"-//Radicale//NONSGML Version " + utils.package_version("radicale") +
def prepare(vobject_items: List[vobject.base.Component], path: str,
content_type: str, permission: bool, parent_permission: bool,
content_type: str, permission: bool, parent_permission: bool, max_resource_size: int,
tag: Optional[str] = None,
write_whole_collection: Optional[bool] = None) -> Tuple[
Iterator[radicale_item.Item], # items
@@ -103,6 +103,13 @@ def prepare(vobject_items: List[vobject.base.Component], path: str,
else:
logger.warning("Problem during prepare item with UID '%s' (content suppressed in this loglevel): %s", item.uid, e)
raise
size = len(item.serialize())
if (size > max_resource_size):
logger.warning("PUT request contains item with UID %r size %d > limit %d: %r", item.uid, size, max_resource_size, path)
# Use OverflowError as flag for max_resource_size
raise OverflowError
else:
logger.debug("PUT request contains item with UID %r size %d <= limit %d: %r", item.uid, size, max_resource_size, path)
items.append(item)
elif write_whole_collection and tag == "VADDRESSBOOK":
for vobject_item in vobject_items:
@@ -121,12 +128,26 @@ def prepare(vobject_items: List[vobject.base.Component], path: str,
else:
logger.warning("Problem during prepare item with UID '%s' (content suppressed in this loglevel): %s", item.uid, e)
raise
size = len(item.serialize())
if (size > max_resource_size):
logger.warning("PUT request contains item with UID %r size %d > limit %d: %r", item.uid, size, max_resource_size, path)
# Use OverflowError as flag for max_resource_size
raise OverflowError
else:
logger.debug("PUT request contains item with UID %r size %d <= limit %d: %r", item.uid, size, max_resource_size, path)
items.append(item)
elif not write_whole_collection:
vobject_item, = vobject_items
item = radicale_item.Item(collection_path=collection_path,
vobject_item=vobject_item)
item.prepare()
size = len(item.serialize())
if (size > max_resource_size):
logger.warning("PUT request contains item with UID %r size %d above limit %d: %r", item.uid, size, max_resource_size, path)
# Use OverflowError as flag for max_resource_size
raise OverflowError
else:
logger.debug("PUT request contains item with UID %r size %d below limit %d: %r", item.uid, size, max_resource_size, path)
items.append(item)
if write_whole_collection:
@@ -188,7 +209,8 @@ class ApplicationPartPut(ApplicationBase):
prepared_props, prepared_exc_info) = prepare(
vobject_items, path, content_type,
bool(rights.intersect(access.permissions, "Ww")),
bool(rights.intersect(access.parent_permissions, "w")))
bool(rights.intersect(access.parent_permissions, "w")),
self._max_resource_size)
with self._storage.acquire_lock("w", user, path=path, request="PUT"):
item = next(iter(self._storage.discover(path)), None)
@@ -252,13 +274,18 @@ class ApplicationPartPut(ApplicationBase):
vobject_items, path, content_type,
bool(rights.intersect(access.permissions, "Ww")),
bool(rights.intersect(access.parent_permissions, "w")),
self._max_resource_size,
tag, write_whole_collection)
props = prepared_props
if prepared_exc_info:
logger.warning(
"Bad PUT request on %r (prepare): %s", path, prepared_exc_info[1],
exc_info=prepared_exc_info)
return httputils.BAD_REQUEST
# Use OverflowError as flag for max_resource_size
if prepared_exc_info[0] == OverflowError:
return httputils.PRECONDITION_FAILED
else:
logger.warning(
"Bad PUT request on %r (prepare): %s", path, prepared_exc_info[1],
exc_info=prepared_exc_info)
return httputils.BAD_REQUEST
if write_whole_collection:
try: