1 files changed, 15 insertions, 1 deletions
diff --git a/distixapi/authn.py b/distixapi/authn.py
index 53816b6..a7fbbcf 100644
--- a/distixapi/authn.py
+++ b/distixapi/authn.py
@@ -1,6 +1,9 @@
 # Functions for checking authantication for API clients.
 
 
+import base64
+
+
 def get_credentials(request):
     '''Return username, password of API client.
 
@@ -9,8 +12,19 @@ def get_credentials(request):
 
     '''
 
-    raise AuthenticationError('No Authorization header')
+    header = request.get_header('Authorization')
+    if header is None:
+        raise AuthenticationError('No Authorization header')
+
+    words = header.split()
+    if len(words) == 0:
+        raise AuthenticationError('Authorization header has no value')
+
+    if len(words) != 2 or words[0].lower() != 'basic':
+        raise AuthenticationError('Authorization header is not for Basic Auth')
 
+    decoded = base64.b64decode(words[1])
+    return decoded.split(':', 1)
 
 
 class AuthenticationError(Exception):