Merge pull request #1576 from petervarkoly/master

Implementing group calendars and increase perfomance

config

@@ -59,7 +59,7 @@
 # URI to the LDAP server
 #ldap_uri = ldap://localhost
 
-# The base DN of the LDAP server
+# The base DN where the user accounts have to be searched
 #ldap_base = ##BASE_DN##
 
 # The reader DN of the LDAP server
@@ -71,8 +71,8 @@
 # If the ldap groups of the user need to be loaded
 #ldap_load_groups = True
 
-# Value: none | htpasswd | remote_user | http_x_remote_user | denyall
-#type = none
+# The filter to find the DN of the user. This filter must contain a python-style placeholder for the login
+#ldap_filter = (&(objectClass=person)(cn={0}))
 
 # Htpasswd filename
 #htpasswd_filename = /etc/radicale/users

radicale/app/propfind.py

@@ -392,7 +392,8 @@ class ApplicationPartPropfind(ApplicationBase):
             return httputils.REQUEST_TIMEOUT
         with self._storage.acquire_lock("r", user):
             items_iter = iter(self._storage.discover(
-                path, environ.get("HTTP_DEPTH", "0")))
+                path, environ.get("HTTP_DEPTH", "0"),
+                None, self._rights._user_groups))
             # take root item for rights checking
             item = next(items_iter, None)
             if not item:

radicale/rights/from_file.py

@@ -49,33 +49,36 @@ class Rights(rights.BaseRights):
         super().__init__(configuration)
         self._filename = configuration.get("rights", "file")
         self._log_rights_rule_doesnt_match_on_debug = configuration.get("logging", "rights_rule_doesnt_match_on_debug")
+        self._rights_config = configparser.ConfigParser()
+        try:
+            with open(self._filename, "r") as f:
+                self._rights_config.read_file(f)
+            logger.debug("Read rights file")
+        except Exception as e:
+            raise RuntimeError("Failed to load rights file %r: %s" %
+                               (self._filename, e)) from e
 
     def authorization(self, user: str, path: str) -> str:
         user = user or ""
         sane_path = pathutils.strip_path(path)
         # Prevent "regex injection"
         escaped_user = re.escape(user)
-        rights_config = configparser.ConfigParser()
-        try:
-            with open(self._filename, "r") as f:
-                rights_config.read_file(f)
-        except Exception as e:
-            raise RuntimeError("Failed to load rights file %r: %s" %
-                               (self._filename, e)) from e
         if not self._log_rights_rule_doesnt_match_on_debug:
             logger.debug("logging of rules which doesn't match suppressed by config/option [logging] rights_rule_doesnt_match_on_debug")
-        for section in rights_config.sections():
-            group_match = False
+        for section in self._rights_config.sections():
+            group_match = None
+            user_match = None
             try:
-                user_pattern = rights_config.get(section, "user")
-                collection_pattern = rights_config.get(section, "collection")
-                allowed_groups = rights_config.get(section, "groups", fallback="").split(",")
+                user_pattern = self._rights_config.get(section, "user", fallback="")
+                collection_pattern = self._rights_config.get(section, "collection")
+                allowed_groups = self._rights_config.get(section, "groups", fallback="").split(",")
                 try:
                     group_match = len(self._user_groups.intersection(allowed_groups)) > 0
                 except Exception:
                     pass
                 # Use empty format() for harmonized handling of curly braces
-                user_match = re.fullmatch(user_pattern.format(), user)
+                if user_pattern != "":
+                    user_match = re.fullmatch(user_pattern.format(), user)
                 user_collection_match = user_match and re.fullmatch(
                     collection_pattern.format(
                         *(re.escape(s) for s in user_match.groups()),
@@ -85,13 +88,13 @@ class Rights(rights.BaseRights):
                 raise RuntimeError("Error in section %r of rights file %r: "
                                    "%s" % (section, self._filename, e)) from e
             if user_match and user_collection_match:
-                permission = rights_config.get(section, "permissions")
+                permission = self._rights_config.get(section, "permissions")
                 logger.debug("Rule %r:%r matches %r:%r from section %r permission %r",
                              user, sane_path, user_pattern,
                              collection_pattern, section, permission)
                 return permission
             if group_match and group_collection_match:
-                permission = rights_config.get(section, "permissions")
+                permission = self._rights_config.get(section, "permissions")
                 logger.debug("Rule %r:%r matches %r:%r from section %r permission %r by group membership",
                              user, sane_path, user_pattern,
                              collection_pattern, section, permission)

radicale/storage/__init__.py

@@ -26,8 +26,8 @@ Take a look at the class ``BaseCollection`` if you want to implement your own.
 import json
 import xml.etree.ElementTree as ET
 from hashlib import sha256
-from typing import (Iterable, Iterator, Mapping, Optional, Sequence, Set,
-                    Tuple, Union, overload)
+from typing import (Callable, ContextManager, Iterable, Iterator, Mapping,
+                    Optional, Sequence, Set, Tuple, Union, overload)
 
 import vobject
 
@@ -282,8 +282,11 @@ class BaseStorage:
         """
         self.configuration = configuration
 
-    def discover(self, path: str, depth: str = "0") -> Iterable[
-            "types.CollectionOrItem"]:
+    def discover(
+            self, path: str, depth: str = "0",
+            child_context_manager: Optional[
+            Callable[[str, Optional[str]], ContextManager[None]]] = None,
+            user_groups: Set[str] = set([])) -> Iterable["types.CollectionOrItem"]:
         """Discover a list of collections under the given ``path``.
 
         ``path`` is sanitized.

radicale/storage/multifilesystem/discover.py

@@ -16,9 +16,10 @@
 # You should have received a copy of the GNU General Public License
 # along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
 
+import base64
 import os
 import posixpath
-from typing import Callable, ContextManager, Iterator, Optional, cast
+from typing import Callable, ContextManager, Iterator, Optional, Set, cast
 
 from radicale import pathutils, types
 from radicale.log import logger
@@ -35,8 +36,10 @@ def _null_child_context_manager(path: str,
 class StoragePartDiscover(StorageBase):
 
     def discover(
-            self, path: str, depth: str = "0", child_context_manager: Optional[
-                Callable[[str, Optional[str]], ContextManager[None]]] = None
+            self, path: str, depth: str = "0",
+            child_context_manager: Optional[
+            Callable[[str, Optional[str]], ContextManager[None]]] = None,
+            user_groups: Set[str] = set([])
             ) -> Iterator[types.CollectionOrItem]:
         # assert isinstance(self, multifilesystem.Storage)
         if child_context_manager is None:
@@ -102,3 +105,13 @@ class StoragePartDiscover(StorageBase):
             with child_context_manager(sane_child_path, None):
                 yield self._collection_class(
                     cast(multifilesystem.Storage, self), child_path)
+        for group in user_groups:
+            href = base64.b64encode(group.encode('utf-8')).decode('ascii')
+            logger.debug(f"searching for group calendar {group} {href}")
+            sane_child_path = f"GROUPS/{href}"
+            if not os.path.isdir(pathutils.path_to_filesystem(folder, sane_child_path)):
+                continue
+            child_path = f"/GROUPS/{href}/"
+            with child_context_manager(sane_child_path, None):
+                yield self._collection_class(
+                    cast(multifilesystem.Storage, self), child_path)