Blocking iframes (twitter/youtube...)

Many websites use iframes to display videos, tweets, etc. It is therefore necessary to ask users for their consent before loading the content of the iframe.

Examples of services using iframes

Video players: YouTube, Vimeo, DailyMotion, etc. Social media: Twitter, Facebook, etc. Podcast players Audio players

Method 1: Using the SDK

Our SDK will allow you to block all iframes on the page by displaying a customizable blocking message:

By clicking on “I accept,” consent to the specific service will be automatically dispatched. The system also allows you to capture a refusal of cookies in the Dastra CMP. A simple example with YouTube video player iframes:

<iframe width="560" height="315" src="https://www.youtube.com/embed/aJ1qDx8lv2Y" allowfullscreen></iframe>
<script>
  // Set up youtube iframe blocking
  dastra.push(['iframeBlock', {
    selector: 'iframe[src*="youtube.com"]',
    service: 'youtube', // service slug (Check your Dastra cmp config)
    body:'<p>By clicking on "I accept" the trackers will be deposited and you will be able to view the video. You can withdraw your consent at any time :</p>',
    buttonLabel:'I accept',
    buttonClass: 'btn btn-primary'
  }])
</script>

You can customize the appearance of the message (background, fonts, etc.) using your CSS sheet. The blocking message is integrated into the page's DOM with a class “.datra-blocking-iframe”.

Method 2: Manual implementation

You can also implement your own logic :

<script>
  // Select all youtube iframes 
  var iframes = document.querySelectorAll('iframe[src*="youtube.com"]');

  // Foreach iframe disable the iframe by transforming "src" attribute to "data-blocked-src"
  iframes.forEach(function(iframe){
    var iframeSrc = iframe.getAttribute('src');
    iframe.setAttribute('data-blocked-src', iframeSrc );
    iframe.setAttribute('src','about:blank');
    var divAlert = document.createElement('div');
    divAlert.classList.add('alert-iframe-cookie')
    divAlert.innerHTML = '<p>En cliquant sur « j’autorise » les traceurs seront déposés et vous pourrez visualiser la vidéo. Vous gardez la possibilité de retirer votre consentement à tout moment. En cliquant sur « je refuse », vous ne pourrez pas accéder à la vidéo. : </p><div class="button-container"><button type="button" onclick="SetConsent(\'youtube\', true)" href="#" class="btn btn-success" >Accept the cookies</button></div><p>Consentements fournis par <a href="https://www.dastra.eu">Dastra</a></p>';
    iframe.after(divAlert);
  });

  // On cookie consent, 
  window.addEventListener('dastra:consent:youtube', function() {
    // Load iframe when accepted
    document.querySelectorAll('iframe[data-blocked-src*="youtube.com"]').forEach(function(iframe){
      iframe.setAttribute('src', iframe.getAttribute('data-blocked-src'));
      iframe.removeAttribute('data-blocked-src');
    });
    
    // Delete message when accepted
    document.querySelectorAll('.alert-iframe-cookie').forEach(function(alert){
      alert.style.display = "none";
    });
  });

  function SetConsent(service, consent){
    dastra.cookieConsent.consent.setServiceConsent(service, true);
    dastra.cookieConsent.consent.save();
  };

</script>
<style>
  .alert-iframe-cookie{
    background-color:#CCC;
    padding: 20px 20px;
    color:#fff;
    text-align:center;
  }
  
  .button-container{
    margin: 10px auto; 
  }
  
</style>