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Merge pull request #501 from Unrud/httperrors

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HTTP error messages
This commit is contained in:
Guillaume Ayoub 2016-08-31 14:49:19 +02:00 committed by GitHub
commit e25373fa85
2 changed files with 47 additions and 29 deletions
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64
radicale/__init__.py
View File

@ -50,7 +50,24 @@ from . import auth, rights, storage, xmlutils
VERSION = "2.0.0rc0"
NOT_ALLOWED = (client.FORBIDDEN, {}, None)
NOT_ALLOWED = (client.FORBIDDEN, {"Content-type": "text/plain"},
"Access to the requested resource forbidden.")
NOT_FOUND = (client.NOT_FOUND, {"Content-type": "text/plain"},
"The requested resource could not be found.")
WEBDAV_PRECONDITION_FAILED = (client.CONFLICT, {"Content-type": "text/plain"},
"WebDAV precondition failed.")
PRECONDITION_FAILED = (client.PRECONDITION_FAILED,
{"Content-type": "text/plain"}, "Precondition failed.")
REQUEST_TIMEOUT = (client.REQUEST_TIMEOUT, {"Content-type": "text/plain"},
"Connection timed out.")
REQUEST_ENTITY_TOO_LARGE = (client.REQUEST_ENTITY_TOO_LARGE,
{"Content-type": "text/plain"},
"Request body too large.")
REMOTE_DESTINATION = (client.BAD_GATEWAY, {"Content-type": "text/plain"},
"Remote destination not supported.")
DIRECTORY_LISTING = (client.FORBIDDEN, {"Content-type": "text/plain"},
"Directory listings are not supported.")
DAV_HEADERS = "1, 2, 3, calendar-access, addressbook, extended-mkcol"
@ -296,7 +313,7 @@ class Application:
# If "/.well-known" is not available, clients query "/"
if path == "/.well-known" or path.startswith("/.well-known/"):
return response(client.NOT_FOUND, {})
return response(*NOT_FOUND)
if user and not storage.is_safe_path_component(user):
# Prevent usernames like "user/calendar.ics"
@ -326,13 +343,13 @@ class Application:
if max_content_length and content_length > max_content_length:
self.logger.debug(
"Request body too large: %d", content_length)
return response(client.REQUEST_ENTITY_TOO_LARGE)
return response(*REQUEST_ENTITY_TOO_LARGE)
if is_valid_user:
try:
status, headers, answer = function(environ, path, user)
except socket.timeout:
return response(client.REQUEST_TIMEOUT)
return response(*REQUEST_TIMEOUT)
else:
status, headers, answer = NOT_ALLOWED
@ -342,10 +359,9 @@ class Application:
self.logger.info("%s refused" % (user or "Anonymous user"))
status = client.UNAUTHORIZED
realm = self.configuration.get("server", "realm")
headers = {
headers.update ({
"WWW-Authenticate":
"Basic realm=\"%s\"" % realm}
answer = None
"Basic realm=\"%s\"" % realm})
# Set content length
if answer:
@ -407,11 +423,11 @@ class Application:
if not self._access(user, path, "w", item):
return NOT_ALLOWED
if not item:
return client.GONE, {}, None
return NOT_FOUND
if_match = environ.get("HTTP_IF_MATCH", "*")
if if_match not in ("*", item.etag):
# ETag precondition not verified, do not delete item
return client.PRECONDITION_FAILED, {}, None
return PRECONDITION_FAILED
if isinstance(item, self.Collection):
answer = xmlutils.delete(path, item)
else:
@ -430,9 +446,11 @@ class Application:
if not self._access(user, path, "r", item):
return NOT_ALLOWED
if not item:
return client.NOT_FOUND, {}, None
return NOT_FOUND
if isinstance(item, self.Collection):
collection = item
if collection.get_meta("tag") not in ("VADDRESSBOOK", "VCALENDAR"):
return DIRECTORY_LISTING
else:
collection = item.collection
content_type = xmlutils.MIMETYPES.get(
@ -457,7 +475,7 @@ class Application:
with self.Collection.acquire_lock("w", user):
item = next(self.Collection.discover(path), None)
if item:
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
props = xmlutils.props_from_request(content)
props["tag"] = "VCALENDAR"
# TODO: use this?
@ -473,7 +491,7 @@ class Application:
with self.Collection.acquire_lock("w", user):
item = next(self.Collection.discover(path), None)
if item:
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
props = xmlutils.props_from_request(content)
self.Collection.create_collection(path, props=props)
return client.CREATED, {}, None
@ -483,7 +501,7 @@ class Application:
to_url = urlparse(environ["HTTP_DESTINATION"])
if to_url.netloc != environ["HTTP_HOST"]:
# Remote destination server, not supported
return client.BAD_GATEWAY, {}, None
return REMOTE_DESTINATION
if not self._access(user, path, "w"):
return NOT_ALLOWED
to_path = storage.sanitize_path(to_url.path)
@ -497,20 +515,20 @@ class Application:
if not self._access(user, to_path, "w", item):
return NOT_ALLOWED
if not item:
return client.GONE, {}, None
return NOT_FOUND
if isinstance(item, self.Collection):
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
to_item = next(self.Collection.discover(to_path), None)
if (isinstance(to_item, self.Collection) or
to_item and environ.get("HTTP_OVERWRITE", "F") != "T"):
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
to_parent_path = storage.sanitize_path(
"/%s/" % posixpath.dirname(to_path.strip("/")))
to_collection = next(
self.Collection.discover(to_parent_path), None)
if not to_collection:
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
to_href = posixpath.basename(to_path.strip("/"))
self.Collection.move(item, to_collection, to_href)
return client.CREATED, {}, None
@ -536,7 +554,7 @@ class Application:
if not self._access(user, path, "r", item):
return NOT_ALLOWED
if not item:
return client.NOT_FOUND, {}, None
return NOT_FOUND
# put item back
items = itertools.chain([item], items)
read_items, write_items = self.collect_allowed_items(items, user)
@ -556,7 +574,7 @@ class Application:
with self.Collection.acquire_lock("w", user):
item = next(self.Collection.discover(path), None)
if not isinstance(item, self.Collection):
return client.CONFLICT, {}, None
return WEBDAV_PRECONDITION_FAILED
headers = {"DAV": DAV_HEADERS, "Content-Type": "text/xml"}
answer = xmlutils.proppatch(path, content, item)
return client.MULTI_STATUS, headers, answer
@ -587,15 +605,15 @@ class Application:
etag = environ.get("HTTP_IF_MATCH", "")
if not item and etag:
# Etag asked but no item found: item has been removed
return client.PRECONDITION_FAILED, {}, None
return PRECONDITION_FAILED
if item and etag and item.etag != etag:
# Etag asked but item not matching: item has changed
return client.PRECONDITION_FAILED, {}, None
return PRECONDITION_FAILED
match = environ.get("HTTP_IF_NONE_MATCH", "") == "*"
if item and match:
# Creation asked but item found: item can't be replaced
return client.PRECONDITION_FAILED, {}, None
return PRECONDITION_FAILED
items = list(vobject.readComponents(content or ""))
content_type = environ.get("CONTENT_TYPE", "").split(";")[0]
@ -623,7 +641,7 @@ class Application:
if not self._access(user, path, "w", item):
return NOT_ALLOWED
if not item:
return client.NOT_FOUND, {}, None
return NOT_FOUND
if isinstance(item, self.Collection):
collection = item
else:

12
radicale/tests/test_base.py
View File

@ -736,8 +736,8 @@ class BaseRequestsMixIn:
def test_principal_collection_creation(self):
"""Verify existence of the principal collection."""
status, headers, answer = self.request(
"GET", "/user/", REMOTE_USER="user")
assert status == 200
"PROPFIND", "/user/", REMOTE_USER="user")
assert status == 207
def test_existence_of_root_collections(self):
"""Verify that the root collection always exists."""
@ -762,8 +762,8 @@ class BaseRequestsMixIn:
"created_by_hook"))
status, headers, answer = self.request("MKCOL", "/calendar.ics/")
assert status == 201
status, headers, answer = self.request("GET", "/created_by_hook/")
assert status == 200
status, headers, answer = self.request("PROPFIND", "/created_by_hook/")
assert status == 207
def test_hook_read_access(self):
"""Verify that hook is not run for read accesses."""
@ -791,8 +791,8 @@ class BaseRequestsMixIn:
"created_by_hook"))
status, headers, answer = self.request("GET", "/", REMOTE_USER="user")
assert status == 200
status, headers, answer = self.request("GET", "/created_by_hook/")
assert status == 200
status, headers, answer = self.request("PROPFIND", "/created_by_hook/")
assert status == 207
def test_hook_fail(self):
"""Verify that a request fails if the hook fails."""