UserBundle

Customizing FOSUserBundle

Christian Scheb

Recently I was working on a project with FOSUserBundle. It was best choice instead of implementing the whole user system from scratch. Unfortunately, after a while it became clear, that the bundle doesn’t fulfil all of my requirements and therefore I had to make some modifications. I’ve found the solutions not to be totally obvious, so I decided to write it together in this blog post. Another post on FOSUserBundle is my tutorial how to change the password constraints in FOSUserBundle.

Note: This post is about the 1.3 version of FOSUserBundle. Version 2.0 is not stable yet, but it has much better extensibility.

The first thing to do, when extending the bundle, is to create a new bundle, which extends the original FOSUserBundle. This will enable you to overwrite controllers and configuration files with your own implementation. I’ll call it Acme\UserBundle in the following examples.

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Password constraints in FOSUserBundle

Christian Scheb

I’ve recently tried to modify the password constraints of FOSUserBundle. To my surprise I’ve discovered that this is a little bit tricky.

Before you start I would suggest taking a look at validation.xml in the config directory of FOSUserBundle There you’ll find all the pre-defined constraints. As you can see, there is a class named FOS\UserBundle\Form\Model\ChangePassword. This is the data class, which is used in the change password form instead of the actual entity. So you have to change the password constraints on the User as well as on the ChangePassword class.

I have a bundle, which is extending FOSUserBundle, so I thought it is straight forward: Create a validation.xml which is overwriting the original one and put my own constraints in there. Unfortunatley that doesn’t work, instead my own constraints will simply be added to the default ones. So how to get rid of them? The trick is to define your own validation group.

This is how my configuration for the ChangePassword class looks like. The same goes for the User class.

By default FOSUserBundle is using the ChangePassword group to validate the change password form. With some extra lines in config.yml you can tell it to use a different one:

fos_user:
    change_password:
        form:
            validation_groups: [MyChangePassword, Default]

Now FOSUserBundle is using the MyChangePassword validation group for validation. This is also working for other forms like registration or the user profile. Take a look at the class FOS\UserBundle\DependencyInjection\Configuration and search for validation_groups to find out more about the configuration.