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Update security guide with #new and #create respect mass-assignment

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Sebastian Martinez 2011-05-02 00:15:36 -03:00
parent 06b9138188
commit 9fa080e703
1 changed files with 14 additions and 2 deletions
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16
railties/guides/source/security.textile
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@ -441,7 +441,7 @@ params[:user] # => {:name => "ow3ned", :admin => true}
@user.admin # => true
</ruby>
When assigning attributes in Active Record using +new+, +attributes=+, or +update_attributes+ the :default scope will be used. To assign attributes using different scopes you should use +assign_attributes+ which accepts an optional :as options parameter. If no :as option is provided then the :default scope will be used. You can also bypass mass-assignment security by using the +:without_protection+ option. Here is an example:
When assigning attributes in Active Record using +attributes=+, or +update_attributes+ the :default scope will be used. To assign attributes using different scopes you should use +assign_attributes+ which accepts an optional :as options parameter. If no :as option is provided then the :default scope will be used. You can also bypass mass-assignment security by using the +:without_protection+ option. Here is an example:
<ruby>
@user = User.new
@ -459,7 +459,19 @@ When assigning attributes in Active Record using +new+, +attributes=+, or +updat
@user.is_admin # => true
</ruby>
A more paranoid technique to protect your whole project would be to enforce that all models define their accessible attributes. This can be easily achieved with a very simple application config option of:
In a similar way, +new+, +create+ and <tt>create!</tt> methods respect mass-assignment security and accepts either +:as+ or +:without_protection+ options. For example:
<ruby>
@user = User.new({ :name => 'Sebastian', :is_admin => true }, :as => :admin)
@user.name # => Sebastian
@user.is_admin # => true
@user = User.create({ :name => 'Sebastian', :is_admin => true }, :without_protection => true)
@user.name # => Sebastian
@user.is_admin # => true
</ruby>
A more paranoid technique to protect your whole project would be to enforce that all models define their accessible attributes. This can be easily achieved with a very simple application config option of:
<ruby>
config.active_record.whitelist_attributes = true