Changeset 10475 for main/waeup.cas/trunk/waeup/cas/authenticators.py

Timestamp:

8 Aug 2013, 10:09:00 (11 years ago)

Author:

uli

Message:

Check backend values when initializing Kofa authenticator.

File:

• main/waeup.cas/trunk/waeup/cas/authenticators.py (modified) (2 diffs)

main/waeup.cas/trunk/waeup/cas/authenticators.py

@@ -1 +1 @@
 """Components that do the real authentication stuff.
 """
+import re
 from pkg_resources import iter_entry_points
 
@@ -117 +118 @@
     name = 'kofa1'
 
-    def __init__(self, auth_backends=None):
-        self.backends = auth_backends
+    def __init__(self, auth_backends="{}"):
+        try:
+            self.backends = eval(auth_backends)
+        except:
+            raise ValueError('auth_backends must be a '
+                             'valid Python expression.')
+        self._check_options()
+
+    def _check_options(self):
+        if not isinstance(self.backends, dict):
+            raise ValueError('Backends must be configured as dicts.')
+        for key, val in self.backends.items():
+            if not isinstance(val, dict):
+                raise ValueError(
+                    'Backend %s: config must be a dict' % key)
+            if not 'url' in val:
+                raise ValueError(
+                    'Backend %s: config must contain an `url` key.' % key)
+            if not 'marker' in val:
+                self.backends[key]['marker'] = '.+'
+            try:
+                re.compile(self.backends[key]['marker'])
+            except:
+                raise ValueError(
+                    'Backend %s: marker must be a valid regular expr.:' % (
+                        key,))
 
     def check_credentials(self, username='', password=''):