Enable ‘next’ redirection after registration.

flask_security/forms.py

@@ -244,8 +244,12 @@ class ConfirmRegisterForm(Form, RegisterFormMixin,
     pass
 
 
-class RegisterForm(ConfirmRegisterForm, PasswordConfirmFormMixin):
-    pass
+class RegisterForm(ConfirmRegisterForm, PasswordConfirmFormMixin,
+                   NextFormMixin):
+    def __init__(self, *args, **kwargs):
+        super(RegisterForm, self).__init__(*args, **kwargs)
+        if not self.next.data:
+            self.next.data = request.args.get('next', '')
 
 
 class ResetPasswordForm(Form, NewPasswordFormMixin, PasswordConfirmFormMixin):

flask_security/utils.py

@@ -234,8 +234,8 @@ def get_post_login_redirect(declared=None):
     return get_post_action_redirect('SECURITY_POST_LOGIN_VIEW', declared)
 
 
-def get_post_register_redirect():
-    return get_post_action_redirect('SECURITY_POST_REGISTER_VIEW')
+def get_post_register_redirect(declared=None):
+    return get_post_action_redirect('SECURITY_POST_REGISTER_VIEW', declared)
 
 
 def find_redirect(key):

flask_security/views.py

@@ -122,7 +122,7 @@ def register():
             login_user(user)
 
         if not request.json:
-            return redirect(get_post_register_redirect())
+            return redirect(get_post_register_redirect(form.next.data))
         return _render_json(form, include_auth_token=True)
 
     if request.json: