msfjarvis.dev/workers-site/src/handler.ts

import { getAssetFromKV } from '@cloudflare/kv-asset-handler';

const GITHUB_USERNAME = 'msfjarvis';
const APS_SLUG = 'Android-Password-Store/Android-Password-Store';
const GITHUB_URL = `https://github.com/${GITHUB_USERNAME}`;
const APS_GITHUB_URL = `https://github.com/${APS_SLUG}`;

export async function handleRequest(event: FetchEvent): Promise<Response> {
    return redirectGitHub(event);
}

async function getPageFromKV(event: FetchEvent): Promise<Response> {
    const options = {};
    try {
        const page = await getAssetFromKV(event, options);
        const response = new Response(page.body, page);
        response.headers.set('X-XSS-Protection', '1; mode=block');
        response.headers.set('X-Content-Type-Options', 'nosniff');
        response.headers.set('X-Frame-Options', 'DENY');
        response.headers.set('Referrer-Policy', 'unsafe-url');
        response.headers.set('Feature-Policy', 'none');
        return response;
    } catch (e) {
        try {
            let notFoundResponse = await getAssetFromKV(event, {
                mapRequestToAsset: (req) =>
                    new Request(`${new URL(req.url).origin}/404.html`, req),
            });
            return new Response(notFoundResponse.body, {
                ...notFoundResponse,
                status: 404,
            });
        } catch (e) {}
        return new Response(e.message || e.toString(), { status: 500 });
    }
}

async function redirectGitHub(event: FetchEvent): Promise<Response> {
    const urlParts = event.request.url.replace(BASE_URL, '').split('/');
    switch (urlParts[0]) {
        case 'g':
            switch (urlParts.length) {
                case 1:
                    return Response.redirect(GITHUB_URL, 301);
                case 2:
                    return Response.redirect(
                        `${GITHUB_URL}/${urlParts[1]}`,
                        301
                    );
                case 3:
                    return Response.redirect(
                        `${GITHUB_URL}/${urlParts[1]}/commit/${urlParts[2]}`,
                        301
                    );
            }
        case 'aps':
            switch (urlParts.length) {
                case 1:
                    return Response.redirect(APS_GITHUB_URL, 301);
                case 2:
                    return Response.redirect(
                        `${APS_GITHUB_URL}/commit/${urlParts[1]}`,
                        301
                    );
                case 3:
                    return Response.redirect(
                        `${APS_GITHUB_URL}/issues/${urlParts[2]}`,
                        301
                    );
            }
        default:
            return getPageFromKV(event);
    }
}