1 files changed, 18 insertions, 0 deletions
diff --git a/distixapi/authn.py b/distixapi/authn.py
new file mode 100644
index 0000000..53816b6
--- /dev/null
+++ b/distixapi/authn.py
@@ -0,0 +1,18 @@
+# Functions for checking authantication for API clients.
+
+
+def get_credentials(request):
+    '''Return username, password of API client.
+
+    They're assumed to be conveyed in an Authorization header using
+    Basic Auth.
+
+    '''
+
+    raise AuthenticationError('No Authorization header')
+
+
+
+class AuthenticationError(Exception):
+
+    pass