oss/Radicale
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Convert paths safely to file system paths

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With the old implementation on Windows a path like
"/c:/file/ignore" got converted to "c:\file" and
allowed access to files outside of FOLDER
This commit is contained in:
Unrud 2015-12-24 12:37:11 +01:00
parent 6b7e79a368
commit b4b3d51f33
3 changed files with 77 additions and 33 deletions
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38
radicale/storage/multifilesystem.py
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@ -30,13 +30,14 @@ import sys
from . import filesystem
from .. import ical
from .. import log
from .. import pathutils
class Collection(filesystem.Collection):
"""Collection stored in several files per calendar."""
def _create_dirs(self):
if not os.path.exists(self._path):
os.makedirs(self._path)
if not os.path.exists(self._filesystem_path):
os.makedirs(self._filesystem_path)
@property
def headers(self):
@ -52,17 +53,18 @@ class Collection(filesystem.Collection):
name = (
component.name if sys.version_info[0] >= 3 else
component.name.encode(filesystem.FILESYSTEM_ENCODING))
path = os.path.join(self._path, name)
with filesystem.open(path, "w") as fd:
filesystem_path = os.path.join(self._filesystem_path, name)
with filesystem.open(filesystem_path, "w") as fd:
fd.write(text)
def delete(self):
shutil.rmtree(self._path)
shutil.rmtree(self._filesystem_path)
os.remove(self._props_path)
def remove(self, name):
if os.path.exists(os.path.join(self._path, name)):
os.remove(os.path.join(self._path, name))
filesystem_path = os.path.join(self._filesystem_path, name)
if os.path.exists(filesystem_path):
os.remove(filesystem_path)
@property
def text(self):
@ -70,14 +72,14 @@ class Collection(filesystem.Collection):
ical.Timezone, ical.Event, ical.Todo, ical.Journal, ical.Card)
items = set()
try:
filenames = os.listdir(self._path)
filenames = os.listdir(self._filesystem_path)
except (OSError, IOError) as e:
log.LOGGER.info('Error while reading collection %r: %r'
% (self._path, e))
% (self._filesystem_path, e))
return ""
for filename in filenames:
path = os.path.join(self._path, filename)
path = os.path.join(self._filesystem_path, filename)
try:
with filesystem.open(path) as fd:
items.update(self._parse(fd.read(), components))
@ -90,17 +92,21 @@ class Collection(filesystem.Collection):
@classmethod
def is_node(cls, path):
path = os.path.join(filesystem.FOLDER, path.replace("/", os.sep))
return os.path.isdir(path) and not os.path.exists(path + ".props")
filesystem_path = pathutils.path_to_filesystem(path,
filesystem.FOLDER)
return (os.path.isdir(filesystem_path) and
not os.path.exists(filesystem_path + ".props"))
@classmethod
def is_leaf(cls, path):
path = os.path.join(filesystem.FOLDER, path.replace("/", os.sep))
return os.path.isdir(path) and os.path.exists(path + ".props")
filesystem_path = pathutils.path_to_filesystem(path,
filesystem.FOLDER)
return (os.path.isdir(filesystem_path) and
os.path.exists(path + ".props"))
@property
def last_modified(self):
last = max([
os.path.getmtime(os.path.join(self._path, filename))
for filename in os.listdir(self._path)] or [0])
os.path.getmtime(os.path.join(self._filesystem_path, filename))
for filename in os.listdir(self._filesystem_path)] or [0])
return time.strftime("%a, %d %b %Y %H:%M:%S +0000", time.gmtime(last))