refactor

radicale/rights/owner_write.py

@@ -0,0 +1,39 @@
+# This file is part of Radicale Server - Calendar Server
+# Copyright © 2012-2017 Guillaume Ayoub
+# Copyright © 2017-2018 Unrud <unrud@outlook.com>
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Radicale.  If not, see <http://www.gnu.org/licenses/>.
+
+import radicale.rights.authenticated as authenticated
+from radicale import pathutils, rights
+
+
+class Rights(authenticated.Rights):
+    def authorized(self, user, path, permissions):
+        if self._verify_user and not user:
+            return ""
+        sane_path = pathutils.sanitize_path(path).strip("/")
+        if not sane_path:
+            return rights.intersect_permissions(permissions, "R")
+        if self._verify_user:
+            owned = user == sane_path.split("/", maxsplit=1)[0]
+        else:
+            owned = True
+        if "/" not in sane_path:
+            return rights.intersect_permissions(permissions,
+                                                "RW" if owned else "R")
+        if sane_path.count("/") == 1:
+            return rights.intersect_permissions(permissions,
+                                                "rw" if owned else "r")
+        return ""