Important: If you haven’t already, please read through the How to Setup Reverse Proxy for a PathFactory Instance before reading this article.
A reverse proxy, whether it’s a server, application, or cloud service, acts as a middleman, managing and optimizing the flow of information between visitors and the website domains they want to access. When using reverse proxy with PathFactory, visitors experience a seamless navigation flow and see PathFactory destination experiences as subfolder/subdirectory URLs within your primary domain folder structure vs. as a subdomain – i.e., companydomain.com/resourcehub vs. resourcehub.companydomain.com. Additionally, reverse proxy enhances security and helps distribute incoming requests across multiple servers to balance the load on busy websites.
Prerequisite: To establish a reverse proxy on CloudFlare, you must have an Enterprise subscription.
Follow these steps to implement the code snippet provided below:
- Copy the entire code sample below.
- Paste the code into a text editor.
- Replace specific placeholders within the code:
- Replace <subdirectory> with your organization’s subdirectory name.
- Replace <mycompany> with your organization’s name.
- Copy the modified code.
- Paste the modified code into a script or configuration file.
const htmlResponse = `
<!DOCTYPE html>
<html>
<head>
<title> Reverse Proxy test in progress </title>
</head>
<body >
<h1> Test example for cloudflare reverse proxy with PathFactory </h1>
</body>
</html>
`;
addEventListener('fetch',event => {
event.respondWith(handleRequest(event.request))
})
async function handleRequest(request) {
const host = request.headers.get('host') ;
console.log("origin host ",host)
const url_original = new URL(request.url)
const pathname = url_original.pathname
console.log(" origin pathname",pathname)
const query_string = url_original.search;
// if the path contains explore then send req to pathfactory
if (pathname.includes('/<subdirectory>')) {
const targetserver = 'https://<mycompany.pathfactory.com>' + pathname
const url = new URL(targetserver)
const params = new URLSearchParams(query_string)
params.forEach((value,key) => {
url.searchParams.append(key,value)
})
const modifiedRequest = new Request(url.toString());
modifiedRequest.headers.set('X-Forwarded-Host',host )
modifiedRequest.headers.set('Cookie',request.headers.get('Cookie') || '')
const response = await fetch(modifiedRequest)
return response;
}
return new Response(htmlResponse, {
headers: {'Content-type':'text/html'}
})
}
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