From 42be9134c4db1b6131233aeb0d260f27b1113981 Mon Sep 17 00:00:00 2001
From: Dominik George <nik@naturalnet.de>
Date: Tue, 4 May 2021 21:10:18 +0200
Subject: [PATCH] Implement config handling
---
nss_pam_oidc/config.py | 44 ++++++++++++++++++++++++++++++++++++++++++
pyproject.toml | 1 +
2 files changed, 45 insertions(+)
create mode 100644 nss_pam_oidc/config.py
diff --git a/nss_pam_oidc/config.py b/nss_pam_oidc/config.py
new file mode 100644
index 0000000..690c411
--- /dev/null
+++ b/nss_pam_oidc/config.py
@@ -0,0 +1,44 @@
+# Copyright 2021 Dominik George <nik@naturalnet.de>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+
+import toml
+
+DEFAULT_CONFIG_FILE = "/etc/nss_pam_oidc.toml"
+DEFAULT_CONFIG = {
+ "pam": {},
+ "nss": {},
+}
+
+
+def get_config(section: str, **kwargs):
+ """Get configuration for a section, layered from defaults, config file, and args."""
+ config = {}
+
+ # First, copy default configuration
+ for name, conf in DEFAULT_CONFIG.items():
+ config[name] = conf.copy()
+
+ # Second, load configuration from file
+ config_file = kwargs.pop("config", DEFAULT_CONFIG_FILE)
+ if os.path.exists(config_file):
+ config_toml = toml.load(config_file)
+ for name, conf in config.items():
+ conf.update(config_toml.get(name, {}))
+
+ # Lastly, override with passed arguments
+ config[section].update(kwargs)
+
+ return config
diff --git a/pyproject.toml b/pyproject.toml
index 2e0ae0c..80cab81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ classifiers = [
[tool.poetry.dependencies]
python = "^3.9"
+toml = "^0.10.2"
[tool.poetry.dev-dependencies]
--
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