Seed code for yarf

[ta/yarf.git] / src / yarf / authentication / base_auth.py

diff --git a/src/yarf/authentication/base_auth.py b/src/yarf/authentication/base_auth.py
new file mode 100644 (file)
index 0000000..e675b1e
--- /dev/null
+++ b/src/yarf/authentication/base_auth.py
@@ -0,0 +1,37 @@
+# Copyright 2019 Nokia
+#
+# 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.
+#
+
+from flask import abort, request
+from functools import wraps
+
+def login_required(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        auth_method = func.__self__.authentication_method
+        if auth_method is None:
+            return func(*args, **kwargs)
+
+        if isinstance(auth_method, BaseAuthMethod) and auth_method.get_authentication(request)[0]:
+            return func(*args, **kwargs)
+        else:
+            abort(401)
+            return None
+    return wrapper
+
+class BaseAuthMethod(object):
+    def __init__(self):
+        pass
+    def get_authentication(self, req):
+        raise NotImplementedError("Function get_authentication not implemented")