def match(item, filter_):
tag = collection_tag
if (tag == "VCALENDAR" and
filter_.tag != xmlutils.make_tag("C", filter_)):
if len(filter_) == 0:
return True
if len(filter_) > 1:
raise ValueError("Filter with %d children" % len(filter_))
if filter_[0].tag != xmlutils.make_tag("C", "comp-filter"):
raise ValueError("Unexpected %r in filter" % filter_[0].tag)
return radicale_filter.comp_match(item, filter_[0])
if (tag == "VADDRESSBOOK" and
filter_.tag != xmlutils.make_tag("CR", filter_)):
for child in filter_:
if child.tag != xmlutils.make_tag("CR", "prop-filter"):
raise ValueError("Unexpected %r in filter" % child.tag)
test = filter_.get("test", "anyof")
if test == "anyof":
return any(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
if test == "allof":
return all(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("Unsupported filter test: %r" % test)
return all(radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("unsupported filter %r for %r" % (filter_.tag, tag))
def prop_match(vobject_item, filter_, ns):
"""Check whether the ``item`` matches the prop ``filter_``.
See rfc4791-9.7.2 and rfc6352-10.5.1.
"""
name = filter_.get("name").lower()
if len(filter_) == 0:
# Point #1 of rfc4791-9.7.2
return name in vobject_item.contents
if len(filter_) == 1:
if filter_[0].tag == xmlutils.make_tag("C", "is-not-defined"):
# Point #2 of rfc4791-9.7.2
return name not in vobject_item.contents
if name not in vobject_item.contents:
return False
# Point #3 and #4 of rfc4791-9.7.2
for child in filter_:
if ns == "C" and child.tag == xmlutils.make_tag("C", "time-range"):
if not time_range_match(vobject_item, child, name):
return False
elif child.tag == xmlutils.make_tag(ns, "text-match"):
if not text_match(vobject_item, child, name, ns):
return False
elif child.tag == xmlutils.make_tag(ns, "param-filter"):
if not param_filter_match(vobject_item, child, name, ns):
return False
else:
raise ValueError("Unexpected %r in prop-filter" % child.tag)
return True
def match(item, filter_):
tag = collection_tag
if (tag == "VCALENDAR" and
filter_.tag != xmlutils.make_tag("C", filter_)):
if len(filter_) == 0:
return True
if len(filter_) > 1:
raise ValueError("Filter with %d children" % len(filter_))
if filter_[0].tag != xmlutils.make_tag("C", "comp-filter"):
raise ValueError("Unexpected %r in filter" % filter_[0].tag)
return radicale_filter.comp_match(item, filter_[0])
if (tag == "VADDRESSBOOK" and
filter_.tag != xmlutils.make_tag("CR", filter_)):
for child in filter_:
if child.tag != xmlutils.make_tag("CR", "prop-filter"):
raise ValueError("Unexpected %r in filter" % child.tag)
test = filter_.get("test", "anyof")
if test == "anyof":
return any(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
if test == "allof":
return all(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("Unsupported filter test: %r" % test)
return all(radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("unsupported filter %r for %r" % (filter_.tag, tag))
def xml_proppatch(base_prefix, path, xml_request, collection):
"""Read and answer PROPPATCH requests.
Read rfc4918-9.2 for info.
"""
props_to_set = xmlutils.props_from_request(xml_request, actions=("set",))
props_to_remove = xmlutils.props_from_request(xml_request,
actions=("remove",))
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
response = ET.Element(xmlutils.make_tag("D", "response"))
multistatus.append(response)
href = ET.Element(xmlutils.make_tag("D", "href"))
href.text = xmlutils.make_href(base_prefix, path)
response.append(href)
new_props = collection.get_meta()
for short_name, value in props_to_set.items():
new_props[short_name] = value
xml_add_propstat_to(response, short_name, 200)
for short_name in props_to_remove:
try:
del new_props[short_name]
except KeyError:
pass
xml_add_propstat_to(response, short_name, 200)
radicale_item.check_and_sanitize_props(new_props)
collection.set_meta(new_props)
return multistatus
def prop_match(vobject_item, filter_, ns):
"""Check whether the ``item`` matches the prop ``filter_``.
See rfc4791-9.7.2 and rfc6352-10.5.1.
"""
name = filter_.get("name").lower()
if len(filter_) == 0:
# Point #1 of rfc4791-9.7.2
return name in vobject_item.contents
if len(filter_) == 1:
if filter_[0].tag == xmlutils.make_tag("C", "is-not-defined"):
# Point #2 of rfc4791-9.7.2
return name not in vobject_item.contents
if name not in vobject_item.contents:
return False
# Point #3 and #4 of rfc4791-9.7.2
for child in filter_:
if ns == "C" and child.tag == xmlutils.make_tag("C", "time-range"):
if not time_range_match(vobject_item, child, name):
return False
elif child.tag == xmlutils.make_tag(ns, "text-match"):
if not text_match(vobject_item, child, name, ns):
return False
elif child.tag == xmlutils.make_tag(ns, "param-filter"):
if not param_filter_match(vobject_item, child, name, ns):
return False
else:
raise ValueError("Unexpected %r in prop-filter" % child.tag)
return True
def xml_proppatch(base_prefix, path, xml_request, collection):
"""Read and answer PROPPATCH requests.
Read rfc4918-9.2 for info.
"""
props_to_set = xmlutils.props_from_request(xml_request, actions=("set", ))
props_to_remove = xmlutils.props_from_request(xml_request,
actions=("remove", ))
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
response = ET.Element(xmlutils.make_tag("D", "response"))
multistatus.append(response)
href = ET.Element(xmlutils.make_tag("D", "href"))
href.text = xmlutils.make_href(base_prefix, path)
response.append(href)
new_props = collection.get_meta()
for short_name, value in props_to_set.items():
new_props[short_name] = value
xml_add_propstat_to(response, short_name, 200)
for short_name in props_to_remove:
try:
del new_props[short_name]
except KeyError:
pass
xml_add_propstat_to(response, short_name, 200)
radicale_item.check_and_sanitize_props(new_props)
collection.set_meta(new_props)
return multistatus
def comp_match(item, filter_, level=0):
"""Check whether the ``item`` matches the comp ``filter_``.
If ``level`` is ``0``, the filter is applied on the
item's collection. Otherwise, it's applied on the item.
See rfc4791-9.7.1.
"""
# TODO: Filtering VALARM and VFREEBUSY is not implemented
# HACK: the filters are tested separately against all components
if level == 0:
tag = item.name
elif level == 1:
tag = item.component_name
else:
logger.warning(
"Filters with three levels of comp-filter are not supported")
return True
if not tag:
return False
name = filter_.get("name").upper()
if len(filter_) == 0:
# Point #1 of rfc4791-9.7.1
return name == tag
if len(filter_) == 1:
if filter_[0].tag == xmlutils.make_tag("C", "is-not-defined"):
# Point #2 of rfc4791-9.7.1
return name != tag
if name != tag:
return False
if (level == 0 and name != "VCALENDAR" or
level == 1 and name not in ("VTODO", "VEVENT", "VJOURNAL")):
logger.warning("Filtering %s is not supported" % name)
return True
# Point #3 and #4 of rfc4791-9.7.1
components = ([item.vobject_item] if level == 0
else list(getattr(item.vobject_item,
"%s_list" % tag.lower())))
for child in filter_:
if child.tag == xmlutils.make_tag("C", "prop-filter"):
if not any(prop_match(comp, child, "C")
for comp in components):
return False
elif child.tag == xmlutils.make_tag("C", "time-range"):
if not time_range_match(item.vobject_item, filter_[0], tag):
return False
elif child.tag == xmlutils.make_tag("C", "comp-filter"):
if not comp_match(item, child, level=level + 1):
return False
else:
raise ValueError("Unexpected %r in comp-filter" % child.tag)
return True
def comp_match(item, filter_, level=0):
"""Check whether the ``item`` matches the comp ``filter_``.
If ``level`` is ``0``, the filter is applied on the
item's collection. Otherwise, it's applied on the item.
See rfc4791-9.7.1.
"""
# TODO: Filtering VALARM and VFREEBUSY is not implemented
# HACK: the filters are tested separately against all components
if level == 0:
tag = item.name
elif level == 1:
tag = item.component_name
else:
logger.warning(
"Filters with three levels of comp-filter are not supported")
return True
if not tag:
return False
name = filter_.get("name").upper()
if len(filter_) == 0:
# Point #1 of rfc4791-9.7.1
return name == tag
if len(filter_) == 1:
if filter_[0].tag == xmlutils.make_tag("C", "is-not-defined"):
# Point #2 of rfc4791-9.7.1
return name != tag
if name != tag:
return False
if (level == 0 and name != "VCALENDAR" or
level == 1 and name not in ("VTODO", "VEVENT", "VJOURNAL")):
logger.warning("Filtering %s is not supported" % name)
return True
# Point #3 and #4 of rfc4791-9.7.1
components = ([item.vobject_item] if level == 0
else list(getattr(item.vobject_item,
"%s_list" % tag.lower())))
for child in filter_:
if child.tag == xmlutils.make_tag("C", "prop-filter"):
if not any(prop_match(comp, child, "C")
for comp in components):
return False
elif child.tag == xmlutils.make_tag("C", "time-range"):
if not time_range_match(item.vobject_item, filter_[0], tag):
return False
elif child.tag == xmlutils.make_tag("C", "comp-filter"):
if not comp_match(item, child, level=level + 1):
return False
else:
raise ValueError("Unexpected %r in comp-filter" % child.tag)
return True
def simplify_prefilters(filters, collection_tag="VCALENDAR"):
"""Creates a simplified condition from ``filters``.
Returns a tuple (``tag``, ``start``, ``end``, ``simple``) where ``tag`` is
a string or None (match all) and ``start`` and ``end`` are POSIX
timestamps (as int). ``simple`` is a bool that indicates that ``filters``
and the simplified condition are identical.
"""
flat_filters = tuple(chain.from_iterable(filters))
simple = len(flat_filters) <= 1
for col_filter in flat_filters:
if collection_tag != "VCALENDAR":
simple = False
break
if (col_filter.tag != xmlutils.make_tag("C", "comp-filter") or
col_filter.get("name").upper() != "VCALENDAR"):
simple = False
continue
simple &= len(col_filter) <= 1
for comp_filter in col_filter:
if comp_filter.tag != xmlutils.make_tag("C", "comp-filter"):
simple = False
continue
tag = comp_filter.get("name").upper()
if comp_filter.find(
xmlutils.make_tag("C", "is-not-defined")) is not None:
simple = False
continue
simple &= len(comp_filter) <= 1
for time_filter in comp_filter:
if tag not in ("VTODO", "VEVENT", "VJOURNAL"):
simple = False
break
if time_filter.tag != xmlutils.make_tag("C", "time-range"):
simple = False
continue
start = time_filter.get("start")
end = time_filter.get("end")
if start:
start = math.floor(datetime.strptime(
start, "%Y%m%dT%H%M%SZ").replace(
tzinfo=timezone.utc).timestamp())
else:
start = TIMESTAMP_MIN
if end:
end = math.ceil(datetime.strptime(
end, "%Y%m%dT%H%M%SZ").replace(
tzinfo=timezone.utc).timestamp())
else:
end = TIMESTAMP_MAX
return tag, start, end, simple
return tag, TIMESTAMP_MIN, TIMESTAMP_MAX, simple
return None, TIMESTAMP_MIN, TIMESTAMP_MAX, simple
def simplify_prefilters(filters, collection_tag="VCALENDAR"):
"""Creates a simplified condition from ``filters``.
Returns a tuple (``tag``, ``start``, ``end``, ``simple``) where ``tag`` is
a string or None (match all) and ``start`` and ``end`` are POSIX
timestamps (as int). ``simple`` is a bool that indicates that ``filters``
and the simplified condition are identical.
"""
flat_filters = tuple(chain.from_iterable(filters))
simple = len(flat_filters) <= 1
for col_filter in flat_filters:
if collection_tag != "VCALENDAR":
simple = False
break
if (col_filter.tag != xmlutils.make_tag("C", "comp-filter")
or col_filter.get("name").upper() != "VCALENDAR"):
simple = False
continue
simple &= len(col_filter) <= 1
for comp_filter in col_filter:
if comp_filter.tag != xmlutils.make_tag("C", "comp-filter"):
simple = False
continue
tag = comp_filter.get("name").upper()
if comp_filter.find(xmlutils.make_tag(
"C", "is-not-defined")) is not None:
simple = False
continue
simple &= len(comp_filter) <= 1
for time_filter in comp_filter:
if tag not in ("VTODO", "VEVENT", "VJOURNAL"):
simple = False
break
if time_filter.tag != xmlutils.make_tag("C", "time-range"):
simple = False
continue
start = time_filter.get("start")
end = time_filter.get("end")
if start:
start = math.floor(
datetime.strptime(start, "%Y%m%dT%H%M%SZ").replace(
tzinfo=timezone.utc).timestamp())
else:
start = TIMESTAMP_MIN
if end:
end = math.ceil(
datetime.strptime(end, "%Y%m%dT%H%M%SZ").replace(
tzinfo=timezone.utc).timestamp())
else:
end = TIMESTAMP_MAX
return tag, start, end, simple
return tag, TIMESTAMP_MIN, TIMESTAMP_MAX, simple
return None, TIMESTAMP_MIN, TIMESTAMP_MAX, simple
def param_filter_match(vobject_item, filter_, parent_name, ns):
"""Check whether the ``item`` matches the param-filter ``filter_``.
See rfc4791-9.7.3.
"""
name = filter_.get("name").upper()
children = getattr(vobject_item, "%s_list" % parent_name, [])
condition = any(name in child.params for child in children)
if len(filter_):
if filter_[0].tag == xmlutils.make_tag(ns, "text-match"):
return condition and text_match(
vobject_item, filter_[0], parent_name, ns, name)
elif filter_[0].tag == xmlutils.make_tag(ns, "is-not-defined"):
return not condition
else:
return condition
def param_filter_match(vobject_item, filter_, parent_name, ns):
"""Check whether the ``item`` matches the param-filter ``filter_``.
See rfc4791-9.7.3.
"""
name = filter_.get("name").upper()
children = getattr(vobject_item, "%s_list" % parent_name, [])
condition = any(name in child.params for child in children)
if len(filter_):
if filter_[0].tag == xmlutils.make_tag(ns, "text-match"):
return condition and text_match(vobject_item, filter_[0],
parent_name, ns, name)
elif filter_[0].tag == xmlutils.make_tag(ns, "is-not-defined"):
return not condition
else:
return condition
def xml_add_propstat_to(element, tag, status_number):
"""Add a PROPSTAT response structure to an element.
The PROPSTAT answer structure is defined in rfc4918-9.1. It is added to the
given ``element``, for the following ``tag`` with the given
``status_number``.
"""
propstat = ET.Element(xmlutils.make_tag("D", "propstat"))
element.append(propstat)
prop = ET.Element(xmlutils.make_tag("D", "prop"))
propstat.append(prop)
clark_tag = tag if "{" in tag else xmlutils.make_tag(*tag.split(":", 1))
prop_tag = ET.Element(clark_tag)
prop.append(prop_tag)
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(status_number)
propstat.append(status)
def xml_delete(base_prefix, path, collection, href=None):
"""Read and answer DELETE requests.
Read rfc4918-9.6 for info.
"""
collection.delete(href)
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
response = ET.Element(xmlutils.make_tag("D", "response"))
multistatus.append(response)
href = ET.Element(xmlutils.make_tag("D", "href"))
href.text = xmlutils.make_href(base_prefix, path)
response.append(href)
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(200)
response.append(status)
return multistatus
def xml_delete(base_prefix, path, collection, href=None):
"""Read and answer DELETE requests.
Read rfc4918-9.6 for info.
"""
collection.delete(href)
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
response = ET.Element(xmlutils.make_tag("D", "response"))
multistatus.append(response)
href = ET.Element(xmlutils.make_tag("D", "href"))
href.text = xmlutils.make_href(base_prefix, path)
response.append(href)
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(200)
response.append(status)
return multistatus
def xml_add_propstat_to(element, tag, status_number):
"""Add a PROPSTAT response structure to an element.
The PROPSTAT answer structure is defined in rfc4918-9.1. It is added to the
given ``element``, for the following ``tag`` with the given
``status_number``.
"""
propstat = ET.Element(xmlutils.make_tag("D", "propstat"))
element.append(propstat)
prop = ET.Element(xmlutils.make_tag("D", "prop"))
propstat.append(prop)
clark_tag = tag if "{" in tag else xmlutils.make_tag(*tag.split(":", 1))
prop_tag = ET.Element(clark_tag)
prop.append(prop_tag)
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(status_number)
propstat.append(status)
def xml_item_response(base_prefix, href, found_props=(), not_found_props=(),
found_item=True):
response = ET.Element(xmlutils.make_tag("D", "response"))
href_tag = ET.Element(xmlutils.make_tag("D", "href"))
href_tag.text = xmlutils.make_href(base_prefix, href)
response.append(href_tag)
if found_item:
for code, props in ((200, found_props), (404, not_found_props)):
if props:
propstat = ET.Element(xmlutils.make_tag("D", "propstat"))
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(code)
prop_tag = ET.Element(xmlutils.make_tag("D", "prop"))
for prop in props:
prop_tag.append(prop)
propstat.append(prop_tag)
propstat.append(status)
response.append(propstat)
else:
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(404)
response.append(status)
return response
def xml_item_response(base_prefix, href, found_props=(), not_found_props=(),
found_item=True):
response = ET.Element(xmlutils.make_tag("D", "response"))
href_tag = ET.Element(xmlutils.make_tag("D", "href"))
href_tag.text = xmlutils.make_href(base_prefix, href)
response.append(href_tag)
if found_item:
for code, props in ((200, found_props), (404, not_found_props)):
if props:
propstat = ET.Element(xmlutils.make_tag("D", "propstat"))
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(code)
prop_tag = ET.Element(xmlutils.make_tag("D", "prop"))
for prop in props:
prop_tag.append(prop)
propstat.append(prop_tag)
propstat.append(status)
response.append(propstat)
else:
status = ET.Element(xmlutils.make_tag("D", "status"))
status.text = xmlutils.make_response(404)
response.append(status)
return response
def xml_propfind(base_prefix, path, xml_request, allowed_items, user):
"""Read and answer PROPFIND requests.
Read rfc4918-9.1 for info.
The collections parameter is a list of collections that are to be included
in the output.
"""
# A client may choose not to submit a request body. An empty PROPFIND
# request body MUST be treated as if it were an 'allprop' request.
top_tag = (xml_request[0] if xml_request is not None else ET.Element(
xmlutils.make_tag("D", "allprop")))
props = ()
allprop = False
propname = False
if top_tag.tag == xmlutils.make_tag("D", "allprop"):
allprop = True
elif top_tag.tag == xmlutils.make_tag("D", "propname"):
propname = True
elif top_tag.tag == xmlutils.make_tag("D", "prop"):
props = [prop.tag for prop in top_tag]
if xmlutils.make_tag("D", "current-user-principal") in props and not user:
# Ask for authentication
# Returning the DAV:unauthenticated pseudo-principal as specified in
# RFC 5397 doesn't seem to work with DAVdroid.
return client.FORBIDDEN, None
# Writing answer
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
for item, permission in allowed_items:
write = permission == "w"
response = xml_propfind_response(base_prefix,
path,
item,
props,
user,
write=write,
allprop=allprop,
propname=propname)
if response:
multistatus.append(response)
return client.MULTI_STATUS, multistatus
def xml_propfind(base_prefix, path, xml_request, allowed_items, user):
"""Read and answer PROPFIND requests.
Read rfc4918-9.1 for info.
The collections parameter is a list of collections that are to be included
in the output.
"""
# A client may choose not to submit a request body. An empty PROPFIND
# request body MUST be treated as if it were an 'allprop' request.
top_tag = (xml_request[0] if xml_request is not None else
ET.Element(xmlutils.make_tag("D", "allprop")))
props = ()
allprop = False
propname = False
if top_tag.tag == xmlutils.make_tag("D", "allprop"):
allprop = True
elif top_tag.tag == xmlutils.make_tag("D", "propname"):
propname = True
elif top_tag.tag == xmlutils.make_tag("D", "prop"):
props = [prop.tag for prop in top_tag]
if xmlutils.make_tag("D", "current-user-principal") in props and not user:
# Ask for authentication
# Returning the DAV:unauthenticated pseudo-principal as specified in
# RFC 5397 doesn't seem to work with DAVdroid.
return client.FORBIDDEN, None
# Writing answer
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
for item, permission in allowed_items:
write = permission == "w"
response = xml_propfind_response(
base_prefix, path, item, props, user, write=write,
allprop=allprop, propname=propname)
if response:
multistatus.append(response)
return client.MULTI_STATUS, multistatus
def xml_propfind_response(base_prefix, path, item, props, user, write=False,
propname=False, allprop=False):
"""Build and return a PROPFIND response."""
if propname and allprop or (props and (propname or allprop)):
raise ValueError("Only use one of props, propname and allprops")
is_collection = isinstance(item, storage.BaseCollection)
if is_collection:
is_leaf = item.get_meta("tag") in ("VADDRESSBOOK", "VCALENDAR")
collection = item
else:
collection = item.collection
response = ET.Element(xmlutils.make_tag("D", "response"))
href = ET.Element(xmlutils.make_tag("D", "href"))
if is_collection:
# Some clients expect collections to end with /
uri = pathutils.unstrip_path(item.path, True)
else:
uri = pathutils.unstrip_path(
posixpath.join(collection.path, item.href))
href.text = xmlutils.make_href(base_prefix, uri)
response.append(href)
propstat404 = ET.Element(xmlutils.make_tag("D", "propstat"))
propstat200 = ET.Element(xmlutils.make_tag("D", "propstat"))
response.append(propstat200)
prop200 = ET.Element(xmlutils.make_tag("D", "prop"))
propstat200.append(prop200)
prop404 = ET.Element(xmlutils.make_tag("D", "prop"))
propstat404.append(prop404)
if propname or allprop:
props = []
# Should list all properties that can be retrieved by the code below
props.append(xmlutils.make_tag("D", "principal-collection-set"))
props.append(xmlutils.make_tag("D", "current-user-principal"))
props.append(xmlutils.make_tag("D", "current-user-privilege-set"))
props.append(xmlutils.make_tag("D", "supported-report-set"))
props.append(xmlutils.make_tag("D", "resourcetype"))
props.append(xmlutils.make_tag("D", "owner"))
if is_collection and collection.is_principal:
props.append(xmlutils.make_tag("C", "calendar-user-address-set"))
props.append(xmlutils.make_tag("D", "principal-URL"))
props.append(xmlutils.make_tag("CR", "addressbook-home-set"))
props.append(xmlutils.make_tag("C", "calendar-home-set"))
if not is_collection or is_leaf:
props.append(xmlutils.make_tag("D", "getetag"))
props.append(xmlutils.make_tag("D", "getlastmodified"))
props.append(xmlutils.make_tag("D", "getcontenttype"))
props.append(xmlutils.make_tag("D", "getcontentlength"))
if is_collection:
if is_leaf:
props.append(xmlutils.make_tag("D", "displayname"))
props.append(xmlutils.make_tag("D", "sync-token"))
if collection.get_meta("tag") == "VCALENDAR":
props.append(xmlutils.make_tag("CS", "getctag"))
props.append(
xmlutils.make_tag("C", "supported-calendar-component-set"))
meta = item.get_meta()
for tag in meta:
if tag == "tag":
continue
clark_tag = xmlutils.tag_from_human(tag)
if clark_tag not in props:
props.append(clark_tag)
if propname:
for tag in props:
prop200.append(ET.Element(tag))
props = ()
for tag in props:
element = ET.Element(tag)
is404 = False
if tag == xmlutils.make_tag("D", "getetag"):
if not is_collection or is_leaf:
element.text = item.etag
else:
is404 = True
elif tag == xmlutils.make_tag("D", "getlastmodified"):
if not is_collection or is_leaf:
element.text = item.last_modified
else:
is404 = True
elif tag == xmlutils.make_tag("D", "principal-collection-set"):
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, "/")
element.append(tag)
elif (tag in (xmlutils.make_tag("C", "calendar-user-address-set"),
xmlutils.make_tag("D", "principal-URL"),
xmlutils.make_tag("CR", "addressbook-home-set"),
xmlutils.make_tag("C", "calendar-home-set")) and
collection.is_principal and is_collection):
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, path)
element.append(tag)
elif tag == xmlutils.make_tag("C", "supported-calendar-component-set"):
human_tag = xmlutils.tag_from_clark(tag)
if is_collection and is_leaf:
meta = item.get_meta(human_tag)
if meta:
components = meta.split(",")
else:
components = ("VTODO", "VEVENT", "VJOURNAL")
for component in components:
comp = ET.Element(xmlutils.make_tag("C", "comp"))
comp.set("name", component)
element.append(comp)
else:
is404 = True
elif tag == xmlutils.make_tag("D", "current-user-principal"):
if user:
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, "/%s/" % user)
element.append(tag)
else:
element.append(ET.Element(
xmlutils.make_tag("D", "unauthenticated")))
elif tag == xmlutils.make_tag("D", "current-user-privilege-set"):
privileges = [("D", "read")]
if write:
privileges.append(("D", "all"))
privileges.append(("D", "write"))
privileges.append(("D", "write-properties"))
privileges.append(("D", "write-content"))
for ns, privilege_name in privileges:
privilege = ET.Element(xmlutils.make_tag("D", "privilege"))
privilege.append(ET.Element(
xmlutils.make_tag(ns, privilege_name)))
element.append(privilege)
elif tag == xmlutils.make_tag("D", "supported-report-set"):
# These 3 reports are not implemented
reports = [
("D", "expand-property"),
("D", "principal-search-property-set"),
("D", "principal-property-search")]
if is_collection and is_leaf:
reports.append(("D", "sync-collection"))
if item.get_meta("tag") == "VADDRESSBOOK":
reports.append(("CR", "addressbook-multiget"))
reports.append(("CR", "addressbook-query"))
elif item.get_meta("tag") == "VCALENDAR":
reports.append(("C", "calendar-multiget"))
reports.append(("C", "calendar-query"))
for ns, report_name in reports:
supported = ET.Element(
xmlutils.make_tag("D", "supported-report"))
report_tag = ET.Element(xmlutils.make_tag("D", "report"))
supported_report_tag = ET.Element(
xmlutils.make_tag(ns, report_name))
report_tag.append(supported_report_tag)
supported.append(report_tag)
element.append(supported)
elif tag == xmlutils.make_tag("D", "getcontentlength"):
if not is_collection or is_leaf:
encoding = collection.configuration.get("encoding", "request")
element.text = str(len(item.serialize().encode(encoding)))
else:
is404 = True
elif tag == xmlutils.make_tag("D", "owner"):
# return empty elment, if no owner available (rfc3744-5.1)
if collection.owner:
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(
base_prefix, "/%s/" % collection.owner)
element.append(tag)
elif is_collection:
if tag == xmlutils.make_tag("D", "getcontenttype"):
if is_leaf:
element.text = xmlutils.MIMETYPES[item.get_meta("tag")]
else:
is404 = True
elif tag == xmlutils.make_tag("D", "resourcetype"):
if item.is_principal:
tag = ET.Element(xmlutils.make_tag("D", "principal"))
element.append(tag)
if is_leaf:
if item.get_meta("tag") == "VADDRESSBOOK":
tag = ET.Element(
xmlutils.make_tag("CR", "addressbook"))
element.append(tag)
elif item.get_meta("tag") == "VCALENDAR":
tag = ET.Element(xmlutils.make_tag("C", "calendar"))
element.append(tag)
tag = ET.Element(xmlutils.make_tag("D", "collection"))
element.append(tag)
elif tag == xmlutils.make_tag("RADICALE", "displayname"):
# Only for internal use by the web interface
displayname = item.get_meta("D:displayname")
if displayname is not None:
element.text = displayname
else:
is404 = True
elif tag == xmlutils.make_tag("D", "displayname"):
displayname = item.get_meta("D:displayname")
if not displayname and is_leaf:
displayname = item.path
if displayname is not None:
element.text = displayname
else:
is404 = True
elif tag == xmlutils.make_tag("CS", "getctag"):
if is_leaf:
element.text = item.etag
else:
is404 = True
elif tag == xmlutils.make_tag("D", "sync-token"):
if is_leaf:
element.text, _ = item.sync()
else:
is404 = True
else:
human_tag = xmlutils.tag_from_clark(tag)
meta = item.get_meta(human_tag)
if meta is not None:
element.text = meta
else:
is404 = True
# Not for collections
elif tag == xmlutils.make_tag("D", "getcontenttype"):
element.text = xmlutils.get_content_type(item)
elif tag == xmlutils.make_tag("D", "resourcetype"):
# resourcetype must be returned empty for non-collection elements
pass
else:
is404 = True
if is404:
prop404.append(element)
else:
prop200.append(element)
status200 = ET.Element(xmlutils.make_tag("D", "status"))
status200.text = xmlutils.make_response(200)
propstat200.append(status200)
status404 = ET.Element(xmlutils.make_tag("D", "status"))
status404.text = xmlutils.make_response(404)
propstat404.append(status404)
if len(prop404):
response.append(propstat404)
return response
def xml_propfind_response(base_prefix,
path,
item,
props,
user,
write=False,
propname=False,
allprop=False):
"""Build and return a PROPFIND response."""
if propname and allprop or (props and (propname or allprop)):
raise ValueError("Only use one of props, propname and allprops")
is_collection = isinstance(item, storage.BaseCollection)
if is_collection:
is_leaf = item.get_meta("tag") in ("VADDRESSBOOK", "VCALENDAR")
collection = item
else:
collection = item.collection
response = ET.Element(xmlutils.make_tag("D", "response"))
href = ET.Element(xmlutils.make_tag("D", "href"))
if is_collection:
# Some clients expect collections to end with /
uri = pathutils.unstrip_path(item.path, True)
else:
uri = pathutils.unstrip_path(posixpath.join(collection.path,
item.href))
href.text = xmlutils.make_href(base_prefix, uri)
response.append(href)
propstat404 = ET.Element(xmlutils.make_tag("D", "propstat"))
propstat200 = ET.Element(xmlutils.make_tag("D", "propstat"))
response.append(propstat200)
prop200 = ET.Element(xmlutils.make_tag("D", "prop"))
propstat200.append(prop200)
prop404 = ET.Element(xmlutils.make_tag("D", "prop"))
propstat404.append(prop404)
if propname or allprop:
props = []
# Should list all properties that can be retrieved by the code below
props.append(xmlutils.make_tag("D", "principal-collection-set"))
props.append(xmlutils.make_tag("D", "current-user-principal"))
props.append(xmlutils.make_tag("D", "current-user-privilege-set"))
props.append(xmlutils.make_tag("D", "supported-report-set"))
props.append(xmlutils.make_tag("D", "resourcetype"))
props.append(xmlutils.make_tag("D", "owner"))
if is_collection and collection.is_principal:
props.append(xmlutils.make_tag("C", "calendar-user-address-set"))
props.append(xmlutils.make_tag("D", "principal-URL"))
props.append(xmlutils.make_tag("CR", "addressbook-home-set"))
props.append(xmlutils.make_tag("C", "calendar-home-set"))
if not is_collection or is_leaf:
props.append(xmlutils.make_tag("D", "getetag"))
props.append(xmlutils.make_tag("D", "getlastmodified"))
props.append(xmlutils.make_tag("D", "getcontenttype"))
props.append(xmlutils.make_tag("D", "getcontentlength"))
if is_collection:
if is_leaf:
props.append(xmlutils.make_tag("D", "displayname"))
props.append(xmlutils.make_tag("D", "sync-token"))
if collection.get_meta("tag") == "VCALENDAR":
props.append(xmlutils.make_tag("CS", "getctag"))
props.append(
xmlutils.make_tag("C", "supported-calendar-component-set"))
meta = item.get_meta()
for tag in meta:
if tag == "tag":
continue
clark_tag = xmlutils.tag_from_human(tag)
if clark_tag not in props:
props.append(clark_tag)
if propname:
for tag in props:
prop200.append(ET.Element(tag))
props = ()
for tag in props:
element = ET.Element(tag)
is404 = False
if tag == xmlutils.make_tag("D", "getetag"):
if not is_collection or is_leaf:
element.text = item.etag
else:
is404 = True
elif tag == xmlutils.make_tag("D", "getlastmodified"):
if not is_collection or is_leaf:
element.text = item.last_modified
else:
is404 = True
elif tag == xmlutils.make_tag("D", "principal-collection-set"):
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, "/")
element.append(tag)
elif (tag in (xmlutils.make_tag("C", "calendar-user-address-set"),
xmlutils.make_tag("D", "principal-URL"),
xmlutils.make_tag("CR", "addressbook-home-set"),
xmlutils.make_tag("C", "calendar-home-set"))
and collection.is_principal and is_collection):
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, path)
element.append(tag)
elif tag == xmlutils.make_tag("C", "supported-calendar-component-set"):
human_tag = xmlutils.tag_from_clark(tag)
if is_collection and is_leaf:
meta = item.get_meta(human_tag)
if meta:
components = meta.split(",")
else:
components = ("VTODO", "VEVENT", "VJOURNAL")
for component in components:
comp = ET.Element(xmlutils.make_tag("C", "comp"))
comp.set("name", component)
element.append(comp)
else:
is404 = True
elif tag == xmlutils.make_tag("D", "current-user-principal"):
if user:
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix, "/%s/" % user)
element.append(tag)
else:
element.append(
ET.Element(xmlutils.make_tag("D", "unauthenticated")))
elif tag == xmlutils.make_tag("D", "current-user-privilege-set"):
privileges = [("D", "read")]
if write:
privileges.append(("D", "all"))
privileges.append(("D", "write"))
privileges.append(("D", "write-properties"))
privileges.append(("D", "write-content"))
for ns, privilege_name in privileges:
privilege = ET.Element(xmlutils.make_tag("D", "privilege"))
privilege.append(
ET.Element(xmlutils.make_tag(ns, privilege_name)))
element.append(privilege)
elif tag == xmlutils.make_tag("D", "supported-report-set"):
# These 3 reports are not implemented
reports = [("D", "expand-property"),
("D", "principal-search-property-set"),
("D", "principal-property-search")]
if is_collection and is_leaf:
reports.append(("D", "sync-collection"))
if item.get_meta("tag") == "VADDRESSBOOK":
reports.append(("CR", "addressbook-multiget"))
reports.append(("CR", "addressbook-query"))
elif item.get_meta("tag") == "VCALENDAR":
reports.append(("C", "calendar-multiget"))
reports.append(("C", "calendar-query"))
for ns, report_name in reports:
supported = ET.Element(
xmlutils.make_tag("D", "supported-report"))
report_tag = ET.Element(xmlutils.make_tag("D", "report"))
supported_report_tag = ET.Element(
xmlutils.make_tag(ns, report_name))
report_tag.append(supported_report_tag)
supported.append(report_tag)
element.append(supported)
elif tag == xmlutils.make_tag("D", "getcontentlength"):
if not is_collection or is_leaf:
encoding = collection.configuration.get("encoding", "request")
element.text = str(len(item.serialize().encode(encoding)))
else:
is404 = True
elif tag == xmlutils.make_tag("D", "owner"):
# return empty elment, if no owner available (rfc3744-5.1)
if collection.owner:
tag = ET.Element(xmlutils.make_tag("D", "href"))
tag.text = xmlutils.make_href(base_prefix,
"/%s/" % collection.owner)
element.append(tag)
elif is_collection:
if tag == xmlutils.make_tag("D", "getcontenttype"):
if is_leaf:
element.text = xmlutils.MIMETYPES[item.get_meta("tag")]
else:
is404 = True
elif tag == xmlutils.make_tag("D", "resourcetype"):
if item.is_principal:
tag = ET.Element(xmlutils.make_tag("D", "principal"))
element.append(tag)
if is_leaf:
if item.get_meta("tag") == "VADDRESSBOOK":
tag = ET.Element(xmlutils.make_tag(
"CR", "addressbook"))
element.append(tag)
elif item.get_meta("tag") == "VCALENDAR":
tag = ET.Element(xmlutils.make_tag("C", "calendar"))
element.append(tag)
tag = ET.Element(xmlutils.make_tag("D", "collection"))
element.append(tag)
elif tag == xmlutils.make_tag("RADICALE", "displayname"):
# Only for internal use by the web interface
displayname = item.get_meta("D:displayname")
if displayname is not None:
element.text = displayname
else:
is404 = True
elif tag == xmlutils.make_tag("D", "displayname"):
displayname = item.get_meta("D:displayname")
if not displayname and is_leaf:
displayname = item.path
if displayname is not None:
element.text = displayname
else:
is404 = True
elif tag == xmlutils.make_tag("CS", "getctag"):
if is_leaf:
element.text = item.etag
else:
is404 = True
elif tag == xmlutils.make_tag("D", "sync-token"):
if is_leaf:
element.text, _ = item.sync()
else:
is404 = True
else:
human_tag = xmlutils.tag_from_clark(tag)
meta = item.get_meta(human_tag)
if meta is not None:
element.text = meta
else:
is404 = True
# Not for collections
elif tag == xmlutils.make_tag("D", "getcontenttype"):
element.text = xmlutils.get_content_type(item)
elif tag == xmlutils.make_tag("D", "resourcetype"):
# resourcetype must be returned empty for non-collection elements
pass
else:
is404 = True
if is404:
prop404.append(element)
else:
prop200.append(element)
status200 = ET.Element(xmlutils.make_tag("D", "status"))
status200.text = xmlutils.make_response(200)
propstat200.append(status200)
status404 = ET.Element(xmlutils.make_tag("D", "status"))
status404.text = xmlutils.make_response(404)
propstat404.append(status404)
if len(prop404):
response.append(propstat404)
return response
def xml_report(base_prefix, path, xml_request, collection, unlock_storage_fn):
"""Read and answer REPORT requests.
Read rfc3253-3.6 for info.
"""
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
if xml_request is None:
return client.MULTI_STATUS, multistatus
root = xml_request
if root.tag in (
xmlutils.make_tag("D", "principal-search-property-set"),
xmlutils.make_tag("D", "principal-property-search"),
xmlutils.make_tag("D", "expand-property")):
# We don't support searching for principals or indirect retrieving of
# properties, just return an empty result.
# InfCloud asks for expand-property reports (even if we don't announce
# support for them) and stops working if an error code is returned.
logger.warning("Unsupported REPORT method %r on %r requested",
xmlutils.tag_from_clark(root.tag), path)
return client.MULTI_STATUS, multistatus
if (root.tag == xmlutils.make_tag("C", "calendar-multiget") and
collection.get_meta("tag") != "VCALENDAR" or
root.tag == xmlutils.make_tag("CR", "addressbook-multiget") and
collection.get_meta("tag") != "VADDRESSBOOK" or
root.tag == xmlutils.make_tag("D", "sync-collection") and
collection.get_meta("tag") not in ("VADDRESSBOOK", "VCALENDAR")):
logger.warning("Invalid REPORT method %r on %r requested",
xmlutils.tag_from_clark(root.tag), path)
return (client.CONFLICT,
xmlutils.webdav_error("D", "supported-report"))
prop_element = root.find(xmlutils.make_tag("D", "prop"))
props = (
[prop.tag for prop in prop_element]
if prop_element is not None else [])
if root.tag in (
xmlutils.make_tag("C", "calendar-multiget"),
xmlutils.make_tag("CR", "addressbook-multiget")):
# Read rfc4791-7.9 for info
hreferences = set()
for href_element in root.findall(xmlutils.make_tag("D", "href")):
href_path = pathutils.sanitize_path(
unquote(urlparse(href_element.text).path))
if (href_path + "/").startswith(base_prefix + "/"):
hreferences.add(href_path[len(base_prefix):])
else:
logger.warning("Skipping invalid path %r in REPORT request on "
"%r", href_path, path)
elif root.tag == xmlutils.make_tag("D", "sync-collection"):
old_sync_token_element = root.find(
xmlutils.make_tag("D", "sync-token"))
old_sync_token = ""
if old_sync_token_element is not None and old_sync_token_element.text:
old_sync_token = old_sync_token_element.text.strip()
logger.debug("Client provided sync token: %r", old_sync_token)
try:
sync_token, names = collection.sync(old_sync_token)
except ValueError as e:
# Invalid sync token
logger.warning("Client provided invalid sync token %r: %s",
old_sync_token, e, exc_info=True)
return (client.CONFLICT,
xmlutils.webdav_error("D", "valid-sync-token"))
hreferences = (pathutils.unstrip_path(
posixpath.join(collection.path, n)) for n in names)
# Append current sync token to response
sync_token_element = ET.Element(xmlutils.make_tag("D", "sync-token"))
sync_token_element.text = sync_token
multistatus.append(sync_token_element)
else:
hreferences = (path,)
filters = (
root.findall("./%s" % xmlutils.make_tag("C", "filter")) +
root.findall("./%s" % xmlutils.make_tag("CR", "filter")))
def retrieve_items(collection, hreferences, multistatus):
"""Retrieves all items that are referenced in ``hreferences`` from
``collection`` and adds 404 responses for missing and invalid items
to ``multistatus``."""
collection_requested = False
def get_names():
"""Extracts all names from references in ``hreferences`` and adds
404 responses for invalid references to ``multistatus``.
If the whole collections is referenced ``collection_requested``
gets set to ``True``."""
nonlocal collection_requested
for hreference in hreferences:
try:
name = pathutils.name_from_path(hreference, collection)
except ValueError as e:
logger.warning("Skipping invalid path %r in REPORT request"
" on %r: %s", hreference, path, e)
response = xml_item_response(base_prefix, hreference,
found_item=False)
multistatus.append(response)
continue
if name:
# Reference is an item
yield name
else:
# Reference is a collection
collection_requested = True
for name, item in collection.get_multi(get_names()):
if not item:
uri = pathutils.unstrip_path(
posixpath.join(collection.path, name))
response = xml_item_response(base_prefix, uri,
found_item=False)
multistatus.append(response)
else:
yield item, False
if collection_requested:
yield from collection.get_filtered(filters)
# Retrieve everything required for finishing the request.
retrieved_items = list(retrieve_items(collection, hreferences,
multistatus))
collection_tag = collection.get_meta("tag")
# Don't access storage after this!
unlock_storage_fn()
def match(item, filter_):
tag = collection_tag
if (tag == "VCALENDAR" and
filter_.tag != xmlutils.make_tag("C", filter_)):
if len(filter_) == 0:
return True
if len(filter_) > 1:
raise ValueError("Filter with %d children" % len(filter_))
if filter_[0].tag != xmlutils.make_tag("C", "comp-filter"):
raise ValueError("Unexpected %r in filter" % filter_[0].tag)
return radicale_filter.comp_match(item, filter_[0])
if (tag == "VADDRESSBOOK" and
filter_.tag != xmlutils.make_tag("CR", filter_)):
for child in filter_:
if child.tag != xmlutils.make_tag("CR", "prop-filter"):
raise ValueError("Unexpected %r in filter" % child.tag)
test = filter_.get("test", "anyof")
if test == "anyof":
return any(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
if test == "allof":
return all(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("Unsupported filter test: %r" % test)
return all(radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("unsupported filter %r for %r" % (filter_.tag, tag))
while retrieved_items:
# ``item.vobject_item`` might be accessed during filtering.
# Don't keep reference to ``item``, because VObject requires a lot of
# memory.
item, filters_matched = retrieved_items.pop(0)
if filters and not filters_matched:
try:
if not all(match(item, filter_) for filter_ in filters):
continue
except ValueError as e:
raise ValueError("Failed to filter item %r from %r: %s" %
(item.href, collection.path, e)) from e
except Exception as e:
raise RuntimeError("Failed to filter item %r from %r: %s" %
(item.href, collection.path, e)) from e
found_props = []
not_found_props = []
for tag in props:
element = ET.Element(tag)
if tag == xmlutils.make_tag("D", "getetag"):
element.text = item.etag
found_props.append(element)
elif tag == xmlutils.make_tag("D", "getcontenttype"):
element.text = xmlutils.get_content_type(item)
found_props.append(element)
elif tag in (
xmlutils.make_tag("C", "calendar-data"),
xmlutils.make_tag("CR", "address-data")):
element.text = item.serialize()
found_props.append(element)
else:
not_found_props.append(element)
uri = pathutils.unstrip_path(
posixpath.join(collection.path, item.href))
multistatus.append(xml_item_response(
base_prefix, uri, found_props=found_props,
not_found_props=not_found_props, found_item=True))
return client.MULTI_STATUS, multistatus
def xml_report(base_prefix, path, xml_request, collection, unlock_storage_fn):
"""Read and answer REPORT requests.
Read rfc3253-3.6 for info.
"""
multistatus = ET.Element(xmlutils.make_tag("D", "multistatus"))
if xml_request is None:
return client.MULTI_STATUS, multistatus
root = xml_request
if root.tag in (
xmlutils.make_tag("D", "principal-search-property-set"),
xmlutils.make_tag("D", "principal-property-search"),
xmlutils.make_tag("D", "expand-property")):
# We don't support searching for principals or indirect retrieving of
# properties, just return an empty result.
# InfCloud asks for expand-property reports (even if we don't announce
# support for them) and stops working if an error code is returned.
logger.warning("Unsupported REPORT method %r on %r requested",
xmlutils.tag_from_clark(root.tag), path)
return client.MULTI_STATUS, multistatus
if (root.tag == xmlutils.make_tag("C", "calendar-multiget") and
collection.get_meta("tag") != "VCALENDAR" or
root.tag == xmlutils.make_tag("CR", "addressbook-multiget") and
collection.get_meta("tag") != "VADDRESSBOOK" or
root.tag == xmlutils.make_tag("D", "sync-collection") and
collection.get_meta("tag") not in ("VADDRESSBOOK", "VCALENDAR")):
logger.warning("Invalid REPORT method %r on %r requested",
xmlutils.tag_from_clark(root.tag), path)
return (client.CONFLICT,
xmlutils.webdav_error("D", "supported-report"))
prop_element = root.find(xmlutils.make_tag("D", "prop"))
props = (
[prop.tag for prop in prop_element]
if prop_element is not None else [])
if root.tag in (
xmlutils.make_tag("C", "calendar-multiget"),
xmlutils.make_tag("CR", "addressbook-multiget")):
# Read rfc4791-7.9 for info
hreferences = set()
for href_element in root.findall(xmlutils.make_tag("D", "href")):
href_path = pathutils.sanitize_path(
unquote(urlparse(href_element.text).path))
if (href_path + "/").startswith(base_prefix + "/"):
hreferences.add(href_path[len(base_prefix):])
else:
logger.warning("Skipping invalid path %r in REPORT request on "
"%r", href_path, path)
elif root.tag == xmlutils.make_tag("D", "sync-collection"):
old_sync_token_element = root.find(
xmlutils.make_tag("D", "sync-token"))
old_sync_token = ""
if old_sync_token_element is not None and old_sync_token_element.text:
old_sync_token = old_sync_token_element.text.strip()
logger.debug("Client provided sync token: %r", old_sync_token)
try:
sync_token, names = collection.sync(old_sync_token)
except ValueError as e:
# Invalid sync token
logger.warning("Client provided invalid sync token %r: %s",
old_sync_token, e, exc_info=True)
return (client.CONFLICT,
xmlutils.webdav_error("D", "valid-sync-token"))
hreferences = (pathutils.unstrip_path(
posixpath.join(collection.path, n)) for n in names)
# Append current sync token to response
sync_token_element = ET.Element(xmlutils.make_tag("D", "sync-token"))
sync_token_element.text = sync_token
multistatus.append(sync_token_element)
else:
hreferences = (path,)
filters = (
root.findall("./%s" % xmlutils.make_tag("C", "filter")) +
root.findall("./%s" % xmlutils.make_tag("CR", "filter")))
def retrieve_items(collection, hreferences, multistatus):
"""Retrieves all items that are referenced in ``hreferences`` from
``collection`` and adds 404 responses for missing and invalid items
to ``multistatus``."""
collection_requested = False
def get_names():
"""Extracts all names from references in ``hreferences`` and adds
404 responses for invalid references to ``multistatus``.
If the whole collections is referenced ``collection_requested``
gets set to ``True``."""
nonlocal collection_requested
for hreference in hreferences:
try:
name = pathutils.name_from_path(hreference, collection)
except ValueError as e:
logger.warning("Skipping invalid path %r in REPORT request"
" on %r: %s", hreference, path, e)
response = xml_item_response(base_prefix, hreference,
found_item=False)
multistatus.append(response)
continue
if name:
# Reference is an item
yield name
else:
# Reference is a collection
collection_requested = True
for name, item in collection.get_multi(get_names()):
if not item:
uri = pathutils.unstrip_path(
posixpath.join(collection.path, name))
response = xml_item_response(base_prefix, uri,
found_item=False)
multistatus.append(response)
else:
yield item, False
if collection_requested:
yield from collection.get_filtered(filters)
# Retrieve everything required for finishing the request.
retrieved_items = list(retrieve_items(collection, hreferences,
multistatus))
collection_tag = collection.get_meta("tag")
# Don't access storage after this!
unlock_storage_fn()
def match(item, filter_):
tag = collection_tag
if (tag == "VCALENDAR" and
filter_.tag != xmlutils.make_tag("C", filter_)):
if len(filter_) == 0:
return True
if len(filter_) > 1:
raise ValueError("Filter with %d children" % len(filter_))
if filter_[0].tag != xmlutils.make_tag("C", "comp-filter"):
raise ValueError("Unexpected %r in filter" % filter_[0].tag)
return radicale_filter.comp_match(item, filter_[0])
if (tag == "VADDRESSBOOK" and
filter_.tag != xmlutils.make_tag("CR", filter_)):
for child in filter_:
if child.tag != xmlutils.make_tag("CR", "prop-filter"):
raise ValueError("Unexpected %r in filter" % child.tag)
test = filter_.get("test", "anyof")
if test == "anyof":
return any(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
if test == "allof":
return all(
radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("Unsupported filter test: %r" % test)
return all(radicale_filter.prop_match(item.vobject_item, f, "CR")
for f in filter_)
raise ValueError("unsupported filter %r for %r" % (filter_.tag, tag))
while retrieved_items:
# ``item.vobject_item`` might be accessed during filtering.
# Don't keep reference to ``item``, because VObject requires a lot of
# memory.
item, filters_matched = retrieved_items.pop(0)
if filters and not filters_matched:
try:
if not all(match(item, filter_) for filter_ in filters):
continue
except ValueError as e:
raise ValueError("Failed to filter item %r from %r: %s" %
(item.href, collection.path, e)) from e
except Exception as e:
raise RuntimeError("Failed to filter item %r from %r: %s" %
(item.href, collection.path, e)) from e
found_props = []
not_found_props = []
for tag in props:
element = ET.Element(tag)
if tag == xmlutils.make_tag("D", "getetag"):
element.text = item.etag
found_props.append(element)
elif tag == xmlutils.make_tag("D", "getcontenttype"):
element.text = xmlutils.get_content_type(item)
found_props.append(element)
elif tag in (
xmlutils.make_tag("C", "calendar-data"),
xmlutils.make_tag("CR", "address-data")):
element.text = item.serialize()
found_props.append(element)
else:
not_found_props.append(element)
uri = pathutils.unstrip_path(
posixpath.join(collection.path, item.href))
multistatus.append(xml_item_response(
base_prefix, uri, found_props=found_props,
not_found_props=not_found_props, found_item=True))
return client.MULTI_STATUS, multistatus
