full-example.ts

import { ZuploContext, ZuploRequest } from "@zuplo/runtime";


export default async function (
  request: ZuploRequest,
  context: ZuploContext,
  options: any,
  policyName: string
) {
  const url = new URL(request.url);

  if (url.pathname.startsWith('/sandbox')) {
    const newRequest = new Request(url.pathname.replace('/sandbox/', '/'), request);
    newRequest.headers.set('authorization', `Bearer ${environment.SUPABASE_STG_KEY}`);
    context.custom.forwardUrl = environment.SUPABASE_STAGING;
    return newRequest;
  } else if (url.pathname.startsWith('/v1')) {
    const newRequest = new Request(url.pathname.replace('/v1/', '/'), request);
    newRequest.headers.set('authorization', `Bearer ${environment.SUPABASE_PROD_KEY}`);
    context.custom.forwardUrl = environment.SUPABASE_PRODUCTION;
    return newRequest;
  } else if (url.pathname.startsWith("/api")) {
    // This assumes that the 'default' environment is production so use the productio info
    const newRequest = new Request(url.pathname.replace('/v1/', '/'), request);
    newRequest.headers.set('authorization', `Bearer ${environment.SUPABASE_PROD_KEY}`);
    context.custom.forwardUrl = environment.SUPABASE_PRODUCTION;
    return newRequest; 
  }
  
  return new Response(JSON.stringify({
    message: 'Inexistent environment, please use a valid base URL.'
  }), {
    status: 404,
    statusText: 'PXT-AUTH000'
  })
}

set-url-policy.ts

import { ZuploContext, ZuploRequest } from "@zuplo/runtime";


export default async function (
  request: ZuploRequest,
  context: ZuploContext,
  options: any,
  policyName: string
) {
  context.custom.forwardUrl = getForwardUrl(request);
  return request;
}


function getForwardUrl(request: ZuploRequest) {
  // Logic to determine forwarded url here:
  return "https://my-environment.supabase.com"
}