unfinished partial work

1 files changed, 73 insertions, 0 deletions

diff --git a/src/hydrilla/proxy/state.py b/src/hydrilla/proxy/state.py
new file mode 100644
index 0000000..fc01536
--- /dev/null
+++ b/src/hydrilla/proxy/state.py
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Haketilo proxy data and configuration.
+#
+# This file is part of Hydrilla&Haketilo.
+#
+# Copyright (C) 2022 Wojtek Kosior
+#
+# This program 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 program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+#
+# I, Wojtek Kosior, thereby promise not to sue for violation of this
+# file's license. Although I request that you do not make use this code
+# in a proprietary program, I am not going to enforce this in court.
+
+"""
+This module contains logic for keeping track of all settings, rules, mappings
+and resources.
+"""
+
+# Enable using with Python 3.7.
+from __future__ import annotations
+
+import typing as t
+import dataclasses as dc
+
+from threading import Lock
+from pathlib import Path
+
+from ..pattern_tree import PatternTree
+from .store import HaketiloStore
+from . import policies
+
+def make_pattern_tree_with_builtin_policies() -> PatternTree[policies.Policy]:
+    """...."""
+    # TODO: implement
+    return PatternTree()
+
+tree_field = dc.field(default_factory=make_pattern_tree_with_builtin_policies)
+
+@dc.dataclass
+class HaketiloState(HaketiloStore):
+    """...."""
+    pattern_tree:  PatternTree[policies.Policy] = tree_field
+    default_allow: bool                         = False
+
+    state_lock:    Lock                         = dc.field(default_factory=Lock)
+
+    def select_policy(self, url: str, allow_disabled=False) -> policies.Policy:
+        """...."""
+        with self.state_lock:
+            pattern_tree = self.pattern_tree
+
+        try:
+            for policy_set in pattern_tree.search(url):
+                # if policy.enabled or allow_disabled:
+                #     return policy
+                pass
+
+            return policies.FallbackBlockPolicy()
+        except Exception as e:
+            return policies.ErrorBlockPolicy(e)