Merge pull request #611 from Unrud/rights
Implement rights types directly and test them
This commit is contained in:
Unrud
GitHub
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8bc45aeb24
@ -41,51 +41,29 @@ import os.path
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import re
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from configparser import ConfigParser
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from importlib import import_module
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from io import StringIO
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from . import storage
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def load(configuration, logger):
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"""Load the rights manager chosen in configuration."""
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auth_type = configuration.get("auth", "type")
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rights_type = configuration.get("rights", "type")
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if auth_type == "None" or rights_type == "None":
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return lambda user, collection, permission: True
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elif rights_type in DEFINED_RIGHTS or rights_type == "from_file":
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return Rights(configuration, logger).authorized
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if configuration.get("auth", "type") == "None":
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rights_type = "None"
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logger.info("Rights type is %r", rights_type)
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if rights_type == "None":
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rights_class = NoneRights
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elif rights_type == "authenticated":
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rights_class = AuthenticatedRights
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elif rights_type == "owner_write":
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rights_class = OwnerWriteRights
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elif rights_type == "owner_only":
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rights_class = OwnerOnlyRights
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elif rights_type == "from_file":
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rights_class = Rights
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else:
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module = import_module(rights_type)
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return module.Rights(configuration, logger).authorized
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DEFINED_RIGHTS = {
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"authenticated": """
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[rw]
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user:.+
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collection:.*
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permission:rw
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""",
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"owner_write": """
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[w]
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user:.+
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collection:%(login)s(/.*)?
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permission:rw
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[r]
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user:.+
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collection:.*
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permission:r
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""",
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"owner_only": """
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[rw]
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user:.+
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collection:%(login)s(/.*)?
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permission:rw
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[r]
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user:.+
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collection:
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permission:r
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"""}
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rights_class = import_module(rights_type).Rights
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return rights_class(configuration, logger).authorized
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class BaseRights:
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@ -102,32 +80,48 @@ class BaseRights:
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raise NotImplementedError
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class NoneRights(BaseRights):
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def authorized(self, user, path, permission):
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return True
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class AuthenticatedRights(BaseRights):
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def authorized(self, user, path, permission):
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return bool(user)
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class OwnerWriteRights(BaseRights):
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def authorized(self, user, path, permission):
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sane_path = storage.sanitize_path(path).strip("/")
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return bool(user) and (permission == "r" or
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user == sane_path.split("/", maxsplit=1)[0])
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class OwnerOnlyRights(BaseRights):
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def authorized(self, user, path, permission):
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sane_path = storage.sanitize_path(path).strip("/")
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return bool(user) and (
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permission == "r" and not sane_path.strip("/") or
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user == sane_path.split("/", maxsplit=1)[0])
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class Rights(BaseRights):
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def __init__(self, configuration, logger):
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super().__init__(configuration, logger)
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self.filename = os.path.expanduser(configuration.get("rights", "file"))
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self.rights_type = configuration.get("rights", "type").lower()
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def authorized(self, user, path, permission):
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user = user or ""
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if user and not storage.is_safe_path_component(user):
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# Prevent usernames like "user/calendar.ics"
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raise ValueError("Refused unsafe username: %s", user)
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sane_path = storage.sanitize_path(path).strip("/")
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# Prevent "regex injection"
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user_escaped = re.escape(user)
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sane_path_escaped = re.escape(sane_path)
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regex = ConfigParser(
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{"login": user_escaped, "path": sane_path_escaped})
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if self.rights_type in DEFINED_RIGHTS:
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self.logger.debug("Rights type '%s'", self.rights_type)
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regex.readfp(StringIO(DEFINED_RIGHTS[self.rights_type]))
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else:
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self.logger.debug("Reading rights from file '%s'", self.filename)
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if not regex.read(self.filename):
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self.logger.error(
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"File '%s' not found for rights", self.filename)
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return False
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if not regex.read(self.filename):
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raise RuntimeError("Failed to read rights from file %r",
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self.filename)
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return False
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for section in regex.sections():
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re_user = regex.get(section, "user")
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27
radicale/tests/custom/rights.py
Normal file
27
radicale/tests/custom/rights.py
Normal file
@ -0,0 +1,27 @@
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# This file is part of Radicale Server - Calendar Server
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# Copyright (C) 2017 Unrud <unrud@openaliasbox.org>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
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"""
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Custom rights management.
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"""
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from radicale import rights
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class Rights(rights.BaseRights):
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def authorized(self, user, path, permission):
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return path.strip("/") in ("tmp", "other")
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139
radicale/tests/test_rights.py
Normal file
139
radicale/tests/test_rights.py
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@ -0,0 +1,139 @@
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# This file is part of Radicale Server - Calendar Server
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# Copyright (C) 2017 Unrud <unrud@openaliasbox.org>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Radicale. If not, see <http://www.gnu.org/licenses/>.
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"""
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Radicale tests with simple requests and rights.
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"""
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import base64
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import os
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import shutil
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import tempfile
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from radicale import Application, config
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from .test_base import BaseTest
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class TestBaseAuthRequests(BaseTest):
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"""Tests basic requests with rights."""
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def setup(self):
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self.configuration = config.load()
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self.colpath = tempfile.mkdtemp()
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self.configuration.set("storage", "filesystem_folder", self.colpath)
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# Disable syncing to disk for better performance
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self.configuration.set("storage", "filesystem_fsync", "False")
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# Required on Windows, doesn't matter on Unix
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self.configuration.set("storage", "close_lock_file", "True")
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def teardown(self):
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shutil.rmtree(self.colpath)
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def _test_rights(self, rights_type, user, path, mode, expected_status):
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assert mode in ("r", "w")
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assert user in ("", "tmp")
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htpasswd_file_path = os.path.join(self.colpath, ".htpasswd")
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with open(htpasswd_file_path, "w") as f:
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f.write("tmp:bepo\nother:bepo")
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self.configuration.set("rights", "type", rights_type)
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self.configuration.set("auth", "type", "htpasswd")
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self.configuration.set("auth", "htpasswd_filename", htpasswd_file_path)
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self.configuration.set("auth", "htpasswd_encryption", "plain")
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self.application = Application(self.configuration, self.logger)
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for u in ("tmp", "other"):
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status, _, _ = self.request(
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"PROPFIND", "/%s" % u, HTTP_AUTHORIZATION="Basic %s" %
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base64.b64encode(("%s:bepo" % u).encode()).decode())
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assert status == 207
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status, _, _ = self.request(
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"PROPFIND" if mode == "r" else "PROPPATCH", path,
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HTTP_AUTHORIZATION="Basic %s" % base64.b64encode(
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("tmp:bepo").encode()).decode() if user else "")
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assert status == expected_status
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def test_owner_only(self):
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self._test_rights("owner_only", "", "/", "r", 401)
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self._test_rights("owner_only", "", "/", "w", 401)
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self._test_rights("owner_only", "", "/tmp", "r", 401)
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self._test_rights("owner_only", "", "/tmp", "w", 401)
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self._test_rights("owner_only", "tmp", "/", "r", 207)
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self._test_rights("owner_only", "tmp", "/", "w", 403)
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self._test_rights("owner_only", "tmp", "/tmp", "r", 207)
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self._test_rights("owner_only", "tmp", "/tmp", "w", 207)
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self._test_rights("owner_only", "tmp", "/other", "r", 403)
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self._test_rights("owner_only", "tmp", "/other", "w", 403)
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def test_owner_write(self):
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self._test_rights("owner_write", "", "/", "r", 401)
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self._test_rights("owner_write", "", "/", "w", 401)
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self._test_rights("owner_write", "", "/tmp", "r", 401)
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self._test_rights("owner_write", "", "/tmp", "w", 401)
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self._test_rights("owner_write", "tmp", "/", "r", 207)
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self._test_rights("owner_write", "tmp", "/", "w", 403)
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self._test_rights("owner_write", "tmp", "/tmp", "r", 207)
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self._test_rights("owner_write", "tmp", "/tmp", "w", 207)
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self._test_rights("owner_write", "tmp", "/other", "r", 207)
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self._test_rights("owner_write", "tmp", "/other", "w", 403)
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def test_authenticated(self):
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self._test_rights("authenticated", "", "/", "r", 401)
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self._test_rights("authenticated", "", "/", "w", 401)
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self._test_rights("authenticated", "", "/tmp", "r", 401)
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self._test_rights("authenticated", "", "/tmp", "w", 401)
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self._test_rights("authenticated", "tmp", "/", "r", 207)
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self._test_rights("authenticated", "tmp", "/", "w", 207)
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self._test_rights("authenticated", "tmp", "/tmp", "r", 207)
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self._test_rights("authenticated", "tmp", "/tmp", "w", 207)
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self._test_rights("authenticated", "tmp", "/other", "r", 207)
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self._test_rights("authenticated", "tmp", "/other", "w", 207)
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def test_none(self):
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self._test_rights("None", "", "/", "r", 207)
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self._test_rights("None", "", "/", "w", 207)
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self._test_rights("None", "", "/tmp", "r", 207)
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self._test_rights("None", "", "/tmp", "w", 207)
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self._test_rights("None", "tmp", "/", "r", 207)
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self._test_rights("None", "tmp", "/", "w", 207)
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self._test_rights("None", "tmp", "/tmp", "r", 207)
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self._test_rights("None", "tmp", "/tmp", "w", 207)
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self._test_rights("None", "tmp", "/other", "r", 207)
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self._test_rights("None", "tmp", "/other", "w", 207)
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def test_from_file(self):
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rights_file_path = os.path.join(self.colpath, "rights")
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with open(rights_file_path, "w") as f:
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f.write("""\
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[owner]
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user: .+
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collection: %(login)s(/.*)?
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permission: rw
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[custom]
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user: .*
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collection: custom(/.*)?
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permission: r""")
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self.configuration.set("rights", "file", rights_file_path)
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self._test_rights("from_file", "", "/other", "r", 401)
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self._test_rights("from_file", "tmp", "/other", "r", 403)
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self._test_rights("from_file", "", "/custom/sub", "r", 404)
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self._test_rights("from_file", "tmp", "/custom/sub", "r", 404)
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self._test_rights("from_file", "", "/custom/sub", "w", 401)
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self._test_rights("from_file", "tmp", "/custom/sub", "w", 403)
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def test_custom(self):
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"""Custom rights management."""
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self._test_rights("tests.custom.rights", "", "/", "r", 401)
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self._test_rights("tests.custom.rights", "", "/tmp", "r", 207)
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