Merge pull request #347 from Jaza/slash-url-suffix

re #343: Add slash before or after token in flask-security URLs correctly

flask_security/utils.py

@@ -188,6 +188,14 @@ def get_url(endpoint_or_url):
         return endpoint_or_url
 
 
+def slash_url_suffix(url, suffix):
+    """Adds a slash either to the beginning or the end of a suffix
+    (which is to be appended to a URL), depending on whether or not
+    the URL ends with a slash."""
+
+    return url.endswith('/') and ('%s/' % suffix) or ('/%s' % suffix)
+
+
 def get_security_endpoint_name(endpoint):
     return '%s.%s' % (_security.blueprint_name, endpoint)