GilbN/CF country ip block worker.md

## CF country ip block worker.md

      
    Raw
  

              CF country ip block worker.md
            
          
    Custom CF worker to block RU and BY origin IP's

Will display custom HTML if the country ISO code is in the blockedCountries list

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

let blockedCountries = ["RU", "BY"];

async function handleRequest(request) {

  let modifiedHeaders = new Headers()
 
  modifiedHeaders.set('Content-Type', 'text/html')
  modifiedHeaders.append('Pragma', 'no-cache')
  let country = request.cf.country;
if (country != null && blockedCountries.includes(country)) {
    return new Response(forbiddenPage, {headers: modifiedHeaders})
  } else {
    return fetch(request);
  }
}
let forbiddenPage = `

<!DOCTYPE html>
<title>nope...</title>
<style>
@import url('https://fonts.googleapis.com/css?family=Press+Start+2P');

html,body{
   width: 100%;
   height: 100%;
   margin: 0;
}

*{
   font-family: 'Press Start 2P', cursive;
   box-sizing: border-box;
}
#app{
   padding: 1rem;
   background: #0057b7;
   display: flex;
   height: 100%;
   justify-content: center; 
   align-items: center;
   color: #ffd700;
   
   font-size: 6rem;
   flex-direction: column;
   .txt {
      font-size: 1.8rem;
   }
}
@keyframes blink {
    0%   {opacity: 0}
    49%  {opacity: 0}
    50%  {opacity: 1}
    100% {opacity: 1}
}
.txt {
  text-align: center;
}
.blink {
   animation-name: blink;
    animation-duration: 1s;
   animation-iteration-count: infinite;
}
</style>
<body>
<div id="app">
   <div class="txt">GET THE FUCK OUT OF UKRAINE<span class="blink">_</span>
   </div>
</div>
</body>
`;