If you set up email notifications for submissions, you will most likely know right away when a spambot is attacking your form due to the influx of emails. Something as simple as an Ends With rule requiring that the submitter's provided email is an address will trip up many simpler spambots and lazy bad actors. There are a bunch of validation rules available while editing your form, see Webform -> Form Validation. This is an easy setting to enable so any users who still have the old link will see a message explaining the form is closed, but the form can also be very easily brought back online later if you need to restore it. While editing your form, you can go to Webform -> Form Settings and scroll down to Status of this form. Close old forms when they are no longer in use Optionally, you could also utilize a conditional ( Webform -> Conditionals) so that the file upload component is hidden until the user takes a particular action.Īnd finally - if this is a form on our enterprise system, you could move it over to our Secureforms system (either to your existing Secureforms site, or by requesting a new one). Secureforms is a separate environment with more stringent and secure file upload settings, since it is approved to intake Level 1 data. Enable CAPTCHA for any forms that require file uploads.Do not enable any file formats you don't need, and never accept easily abusable file formats like HTML or archives such as ZIP.This helps to both hide and protect the fields. Add a page break to your webform, and do not place any file upload components on the first page.If file uploads are unavoidable, secure them as much as possible If at all possible, avoid allowing file uploads. Giving unauthenticated public users the ability to upload files to your webform is one of the fastest ways to attract scammers and spam to your site, as it potentially allows them to host nefarious content that they can't host elsewhere for one reason or another (it may violate hosting provider use policies, or even the law). Do not use file upload components unless absolutely necessary Depending on your use case, these may meet your needs without the high level of public-facing visibility you'll have on Drupal. There are other form-oriented services at Cal Poly, like Adobe Sign and Office 365 Forms. Consider whether less public form solutions could work Please unpublish the impacted webform, then contact our support team. If you are experiencing an active spam attack: In some cases, Drupal users have dealt with thousands of abusive attempts to submit their forms, and protecting a targeted form may even require downtime. * Provide a select options component to Webform.This section may be easier to understand after you have some experience building webforms, but it is important information to protect yourself against spambots. In our module file we would add the following: Implementing hook_webform_select_options_info()įirst we need to create a module. With Webform 3.x, quicksketch has provided us with hook_webform_select_options_info(), which we can use to provide our dynamic select options to Webform 3.x. It was either that, or you had to implement hook_form_alter, which is no fun. When the date of an event passed, you would have to go back to your component and update the list. In the old days it worked like this: you added a select component to your Webform, and then hand-entered the upcoming events. Why would you want to do this? Let's suppose you are using Webform to allow your site users to register for upcoming events. In this tutorial, I am going to explain how to dynamically populate Webform options in Drupal. The Webform module for Drupal is tremendously useful, and with the 3.x release, it has become much easier to work with. Providing dynamic select options to Webform module for Drupal Hope this is helpful to folks! Let me know if you have questions. I wrote up a short tutorial about using the new hook_webform_select_options_info() in Webform 3.x to dynamically populate a Webform.
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