62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
import grabDirNames from "../../utils/grab-dir-names";
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import path from "path";
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import isDevelopment from "../../utils/is-development";
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import { existsSync } from "fs";
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const { PUBLIC_DIR } = grabDirNames();
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type Params = {
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req: Request;
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};
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export default async function ({ req }: Params): Promise<Response> {
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try {
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const is_dev = isDevelopment();
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const url = new URL(req.url);
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const file_path = path.join(
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PUBLIC_DIR,
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url.pathname.replace(/^\/public/, ""),
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);
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if (!file_path.startsWith(PUBLIC_DIR + path.sep)) {
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return new Response("Forbidden", { status: 403 });
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}
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return readFileResponse({ file_path });
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} catch (error) {
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return new Response(`Public File Not Found`, {
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status: 404,
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});
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}
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}
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type FileResponse = {
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file_path: string;
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cache?: {
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duration?: "infinite" | number;
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};
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};
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export function readFileResponse({ file_path, cache }: FileResponse) {
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if (!existsSync(file_path)) {
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return new Response(`Public File Doesn't Exist`, {
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status: 404,
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});
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}
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const file = Bun.file(file_path);
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const headers = new Headers();
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if (cache?.duration == "infinite" || (cache && !cache.duration)) {
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headers.set("Cache-Control", "public, max-age=31536000, immutable");
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} else if (cache?.duration) {
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headers.set("Cache-Control", `public, max-age=${cache.duration}`);
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}
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return new Response(file, {
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headers,
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});
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}
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