mirror of
https://github.com/msfjarvis/msfjarvis.dev.git
synced 2024-06-03 04:18:56 +05:30
118 lines
4.6 KiB
TypeScript
118 lines
4.6 KiB
TypeScript
import { getAssetFromKV } from "@cloudflare/kv-asset-handler";
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const GITHUB_USERNAME = "msfjarvis";
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const APS_SLUG = "Android-Password-Store";
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const GITHUB_URL = `https://github.com`;
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const MY_GITHUB = `${GITHUB_URL}/${GITHUB_USERNAME}`;
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const APS_GITHUB_URL = `https://github.com/${APS_SLUG}/${APS_SLUG}`;
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const CSP_POLICY =
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"base-uri 'self'; connect-src 'self' insights.msfjarvis.dev utteranc.es; default-src 'self'; frame-ancestors 'none'; frame-src asciinema.org github.com platform.twitter.com utteranc.es; font-src 'self' fonts.gstatic.com; img-src 'self' data: gfycat.com imgur.com *.imgur.com insights.msfjarvis.dev syndication.twitter.com; object-src 'none'; script-src 'self' 'unsafe-hashes' asciinema.org platform.twitter.com utteranc.es insights.msfjarvis.dev 'sha256-/nV291Na1MuGRmAF5BCX/72e5aDh6O5wnlvisox+3Ts=' 'sha256-X5avg43RTxt2cSum+E3xICbowEMaOBxeBiNh05CXDTY=' 'sha256-z2izUJPvGYTnFTpFb7prEv2Soyt9qIS/B/aWU80v7As='; style-src 'self' fonts.googleapis.com 'unsafe-inline'; frame-ancestors 'self';";
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const PERMISSIONS_POLICY =
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"accelerometer=(), autoplay=(), camera=(), encrypted-media=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), sync-xhr=(), usb=()";
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export async function handleRequest(event: FetchEvent): Promise<Response> {
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return redirectGitHub(event);
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}
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async function getPageFromKV(event: FetchEvent): Promise<Response> {
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const options = {};
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try {
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const page = await getAssetFromKV(event, options);
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if (page === null) {
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throw new Error("No page found, short-circuit to 404 page");
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}
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const response = new Response(page.body, page);
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response.headers.set("X-XSS-Protection", "1; mode=block");
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response.headers.set("X-Content-Type-Options", "nosniff");
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response.headers.set("X-Frame-Options", "DENY");
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response.headers.set("Referrer-Policy", "no-referrer-when-downgrade");
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response.headers.set("Content-Security-Policy", CSP_POLICY);
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response.headers.set("Permissions-Policy", PERMISSIONS_POLICY);
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const url = event.request.url;
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if (url.endsWith("css") || url.endsWith("js") || url.endsWith("ttf")) {
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response.headers.set("Cache-Control", "public, max-age=31536000");
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}
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return response;
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} catch (e: unknown) {
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try {
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let notFoundResponse = await getAssetFromKV(event, {
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mapRequestToAsset: (req) =>
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new Request(`${new URL(req.url).origin}/404.html`, req),
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});
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return new Response(notFoundResponse.body, {
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...notFoundResponse,
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status: 404,
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});
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} catch (e) {}
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if (e instanceof Error) {
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return new Response(e.message || e.toString(), { status: 500 });
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}
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}
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return new Response("Failed to load page", { status: 500 });
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}
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async function recordStatsAndRedirect(url: string): Promise<Response> {
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const key = `stats_${url}`;
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var _count = await NAMESPACE.get(key);
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if (_count == null) {
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_count = "0";
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}
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var count = parseInt(_count);
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count += 1;
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await NAMESPACE.put(key, `${count}`);
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return Response.redirect(url, 301);
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}
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async function redirectGitHub(event: FetchEvent): Promise<Response> {
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const urlParts = event.request.url.replace(BASE_URL, "").split("/");
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switch (urlParts[0]) {
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case "g":
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switch (urlParts.length) {
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case 1:
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return recordStatsAndRedirect(MY_GITHUB);
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case 2:
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return recordStatsAndRedirect(`${MY_GITHUB}/${urlParts[1]}`);
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case 3:
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return recordStatsAndRedirect(
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`${MY_GITHUB}/${urlParts[1]}/commit/${urlParts[2]}`
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);
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case 4:
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return recordStatsAndRedirect(
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`${MY_GITHUB}/${urlParts[1]}/issues/${urlParts[3]}`
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);
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}
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case "aps":
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switch (urlParts.length) {
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case 1:
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return recordStatsAndRedirect(APS_GITHUB_URL);
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case 2:
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return recordStatsAndRedirect(
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`${APS_GITHUB_URL}/commit/${urlParts[1]}`
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);
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case 3:
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return recordStatsAndRedirect(
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`${APS_GITHUB_URL}/issues/${urlParts[2]}`
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);
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}
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case "apsg":
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switch (urlParts.length) {
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case 1:
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return recordStatsAndRedirect(`${GITHUB_URL}/${APS_SLUG}`);
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case 2:
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return recordStatsAndRedirect(
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`${GITHUB_URL}/${APS_SLUG}/${urlParts[1]}`
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);
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case 3:
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return recordStatsAndRedirect(
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`${GITHUB_URL}/${APS_SLUG}/${urlParts[1]}/commit/${urlParts[2]}`
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);
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case 4:
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return recordStatsAndRedirect(
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`${GITHUB_URL}/${APS_SLUG}/${urlParts[1]}/issues/${urlParts[3]}`
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);
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}
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default:
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return getPageFromKV(event);
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}
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}
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