Array.prototype.random = function () {
return this[Math.floor((Math.random()*this.length))];
}
const TIER1 = ['US', 'CA', 'NZ', 'AU', 'UK'];
const TIER3 = ['IN','CN','ID','PK','CG','CD', 'BD', 'PH', 'EG', 'BR'];
//default smartlink in case country can't be resolved
const fallBackSmartlink = 'https://google.com/';
const offers = {
'https://google.com/': [...TIER1, 'DE'], //all tier1 countries + germany
'https://bing.com/': ['LT', 'EE', 'LV'], //just all baltic states
'https://duckduckgo.com/': [...TIER3, 'UK'], //all tier3 countries + United Kingdom
};
async function handleRequest(request) {
let redirectTo = fallBackSmartlink;
let country = request.cf ? request.cf.country : '404';
let links = [];
for(const offer in offers){
if( offers[offer].includes(country) ){
links.push(offer);
}
}
if( links.length ){
redirectTo = links.random();
}
//variant #1, redirect to smartlink without referrer
//html becauce we want privacy and keep referrer hidden
const html = `Loading..
`;
return new Response(html, {
headers: {
'content-type': 'text/html;charset=UTF-8',
},
});
//variant #2, redirect to smartlink keeping refferer
//return Response.redirect(redirectTo, 301);
//variant #3, serve offer from iframe so no redirects happens
//By default this variant hides referrer as well. to enable it, remove referrerpolicy from iframe tag.
/*const html `
Onboarding - Create account
`;*/
}
addEventListener("fetch", (event) => {
event.respondWith(
handleRequest(event.request).catch(
(err) => new Response(err.stack, { status: 500 })
)
);
});