Fix case sensitivity when searching for users by email address. Fixes #323.

flask_security/forms.py

@@ -75,13 +75,13 @@ def get_form_field_label(key):
 
 
 def unique_user_email(form, field):
-    if _datastore.find_user(email=field.data) is not None:
+    if _datastore.get_user(field.data) is not None:
         msg = get_message('EMAIL_ALREADY_ASSOCIATED', email=field.data)[0]
         raise ValidationError(msg)
 
 
 def valid_user_email(form, field):
-    form.user = _datastore.find_user(email=field.data)
+    form.user = _datastore.get_user(field.data)
     if form.user is None:
         raise ValidationError(get_message('USER_DOES_NOT_EXIST')[0])
 

tests/test_registerable.py

@@ -55,6 +55,14 @@ def test_registerable_flag(client, app, get_message):
     response = client.post('/register', data=data, follow_redirects=True)
     assert get_message('EMAIL_ALREADY_ASSOCIATED', email='dude@lp.com') in response.data
 
+    # Test registering with an existing email but case insensitive
+    data = dict(
+        email='Dude@lp.com', password='password', password_confirm='password',
+        next=''
+    )
+    response = client.post('/register', data=data, follow_redirects=True)
+    assert get_message('EMAIL_ALREADY_ASSOCIATED', email='Dude@lp.com') in response.data
+
     # Test registering with JSON
     data = '{ "email": "dude2@lp.com", "password": "password"}'
     response = client.post('/register', data=data, headers={'Content-Type': 'application/json'})