Surbma

CherryPick Studios

This Gravity Forms add-on is helping you to meet GDPR compliance by disabling IP address saving and it also deletes all entries after submission, so no personal data will be saved in the WordPress installation’s database.
This plugin is a Gravity Forms add-on, so you need to buy the <a href="https://surbma.com/go/gravityforms/" rel="nofollow ugc">Gravity Forms</a> (affiliate link) plugin first.
IMPORTANT! There is no settings and options for this plugin. There is no admin menu or page for this plugin. It just works! When you activate the plugin, all features will be active: 
– IP Anonymization 
– Entry deletion
Disclaimer: This plugin does not make your website nor your data management GDPR compliant. It is helping you to comply with GDPR, by not saving any submitted data in the WordPress database. However you can still control the submitted data to be sent to any third party services or to any email address. It is your duty to manage and control all submitted personal data to be compliant with GDPR.
IP Anonymization: This plugin is disabling IP address saving, so no visitor IP will be saved.
Remove form entries: If you enable this plugin, all new entries will be deleted immediately after the form submission. So there will be no entries stored in the WordPress database. Submitted data can be sent by email or can be intergrated with third party services, like CRM, help desk, newsletter and other services.
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<a href="https://github.com/Surbma" rel="nofollow ugc">https://github.com/Surbma</a>
Please feel free to contribute, help or recommend any new features for my plugins, themes and other projects.
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Visit my webpage: <a href="https://surbma.com/" rel="nofollow ugc">Surbma.com</a>
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Surbma | GDPR Proof Gravity Forms

This Gravity Forms add-on is helping you to meet GDPR compliance by disabling IP address saving and it also deletes all entries after submission.

Samuel Aguilera

Gravity Forms already has some built-in duplicate submission prevention techniques, including the No Duplicates setting for a field in your form, preventing the same field value from being used multiple times for the same form. Using this setting is a rock solid approach to avoid duplicate submissions, but it requires having a field in your form that you can consider as a source of unique data per submission.
This add-on helps using the same idea, without requiring having a field to enable the No Duplicates setting, by dynamically adding a hidden input with a random token to the form, and checks the <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/POST" rel="nofollow ugc">POST request</a> received for this token value to prevent duplicate submissions.
This will stop identical POST requests from being accepted for entry creation, like the ones that some browsers will send when the browser back or refresh buttons are clicked or when browser tabs are restored in mobile devices.
<h4>Limitations</h4>
<ol>
<li>If for any reason the visitor manually fills the form with the same information, and submits it again, blocking this visitor’s behavior is not within the scope of this plugin functionality.</li>
</ol>
To put in another way, the add-on is intended to block automated resend of the same POST request data, it doesn’t block submissions voluntarily initiated by the visitor.
<ol>
<li>If your site is still receiving repeated POST requests created before enabling the add-on, therefore not containing the token field, you would still receive duplicates for these entries. There’s no way for the add-on to be able stop duplicates for requests created before enabling the add-on.</li>
</ol>
<h4>How it works:</h4>
<ol>
<li>When the add-on is enabled a hidden input with a random token as value is added to each form dynamically in the front-end.</li>
<li>When a POST request is received and handled by Gravity Forms, GF No Duplicates checks if this POST request has the token and if its value was used already in an existing entry for the form tied to the POST request.</li>
<li>If the token parameter exists but is empty or there’s any form entry where the token value was used already, GF No Duplicates stops the submission.</li>
<li>The form is replaced with an error message, which contains a link to the form page, suggesting the visitor to click the link to start a fresh new submission.</li>
</ol>
<h4>Requirements</h4>
<ul>
<li>PHP 7.0 or higher.</li>
<li>WordPress 4.9 or higher.</li>
<li>Gravity Forms 2.5 or higher.</li>
<li>The page where the form is embedded must be excluded from cache (if you use any caching plugin or server cache, see note below).</li>
</ul>
<h4>Usage</h4>
<ul>
<li>Install and activate it as you do with any other plugin.</li>
<li>Enjoy!</li>
</ul>
Optionally, you can customize the duplicate submission message shown to users from the settings page or using a filter (see the FAQ).
<h4>Note about Caching</h4>
The add-on functionality relies on a random token generated dynamically, so for obvious reasons caching the page where your form is embedded would prevent the add-on from working as expected. This is not a limitation of the add-on but the expected if you’re serving a static version of your page, which is the only reason to cache a page, you shouldn’t never cache pages where you expect dynamic data.
Most caching plugins provide you a way to exclude URLs from cache, this is for a reason, use it.
There are some web hosting providers using cache at server level and not providing their customers with an interface to exclude URLs from cache (e.g. WP Engine, Kinsta, …), you can still ask your host support staff to add the exclusion for you.
You can also use <a href="https://wordpress.org/plugins/fresh-forms-for-gravity/" rel="ugc">Fresh Forms</a> for automated cache exclusion if you use any of the embedding methods and caching plugins supported (see Fresh Forms description for more details).

GF No Duplicates


Plugin works fine avoiding duplicates submits, but there's not option to customize error message and, most important, prevent confirmation redirect. For us this redirection is very imoprtant because is the way we measure conversions.



I hope these two things can be resolve in a future version.


Custom error message and prevent confirmation

Prevents duplicate Gravity Forms submissions caused by the same POST request sent more than once.

Surbma | GDPR Proof Gravity Forms vs GF No Duplicates