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224
index.ts
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224
index.ts
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import { routes as templatebuilder, workerPath } from "./packages/templatebuilder/index";
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import { routes as extractor } from "./packages/extractor/index";
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import { routes as summarizer } from "./packages/summarizer/index";
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import { join } from "node:path";
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import { dataPath } from "./deployPaths";
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import {
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addSecurityHeaders,
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isSafeStem,
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login,
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loginPage,
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logout,
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requireAuth,
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securityHeaders,
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withAuth,
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} from "./security";
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const SUMMARIZER_OUTPUTS_DIR =
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process.env.BMP_SUMMARIZER_OUTPUTS_DIR ??
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dataPath(join(import.meta.dir, "packages/summarizer/outputs"), "summarizer", "outputs");
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const ROOT_PAGE_PATH = join(import.meta.dir, "index.html");
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const BMP_LOGO_PATH = join(import.meta.dir, "assets/bmp-logo.png");
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const PORT = Number(process.env.PORT ?? 3000);
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function contentTypeFor(path: string): string {
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if (path.endsWith(".json")) return "application/json; charset=utf-8";
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if (path.endsWith(".xlsx")) return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
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if (path.endsWith(".pdf")) return "application/pdf";
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if (path.endsWith(".html")) return "text/html; charset=utf-8";
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return "application/octet-stream";
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}
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async function serveSummaryDownload(req: Request, stem: string, file: string): Promise<Response> {
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const blocked = await requireAuth(req);
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if (blocked) return blocked;
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if (
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!isSafeStem(stem) ||
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file !== `${stem}.json` &&
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file !== `${stem}.xlsx` &&
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file !== `${stem}.pdf` &&
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file !== `${stem}.report.html` &&
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file !== `${stem}.questions.pdf` &&
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file !== `${stem}.questions.html`
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) {
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return new Response("Not found", { status: 404 });
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}
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const path = join(SUMMARIZER_OUTPUTS_DIR, stem, file);
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const output = Bun.file(path);
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if (!(await output.exists())) {
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return new Response("Not found", { status: 404 });
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}
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return new Response(output, {
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headers: {
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...securityHeaders,
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"Content-Type": contentTypeFor(file),
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"Cache-Control": "private, no-store",
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"Content-Disposition": `attachment; filename="${file.replaceAll('"', "")}"`,
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},
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});
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}
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Bun.serve({
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port: PORT,
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routes: {
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"/login": {
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GET: loginPage,
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POST: login,
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},
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"/healthz": {
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GET: () => Response.json({ ok: true }),
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},
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"/logout": {
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POST: withAuth(async () => logout(), { csrf: true }),
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},
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"/": {
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GET: withAuth(async () => new Response(Bun.file(ROOT_PAGE_PATH), {
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headers: { "Content-Type": "text/html; charset=utf-8" },
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})),
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},
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"/assets/bmp-logo.png": {
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GET: withAuth(async () => new Response(Bun.file(BMP_LOGO_PATH), {
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headers: { "Content-Type": "image/png", "Cache-Control": "private, max-age=86400" },
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})),
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},
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"/api/pipeline/result/:stem": {
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GET: withAuth(async (req: Request) => {
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const stem = (req as Request & { params: Record<string, string | undefined> }).params.stem ?? "";
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if (!isSafeStem(stem)) {
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return Response.json({ error: "Invalid result id" }, { status: 400 });
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}
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const jsonPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.json`);
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const xlsxPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.xlsx`);
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const pdfPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.pdf`);
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const reportHtmlPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.report.html`);
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const questionsPdfPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.questions.pdf`);
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const questionsHtmlPath = join(SUMMARIZER_OUTPUTS_DIR, stem, `${stem}.questions.html`);
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const jsonFile = Bun.file(jsonPath);
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if (!(await jsonFile.exists())) {
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return Response.json({ error: "Summary result not found" }, { status: 404 });
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}
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const downloads = [
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{
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label: "JSON herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.json`)}`,
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},
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];
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if (await Bun.file(xlsxPath).exists()) {
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downloads.push({
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label: "XLSX herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.xlsx`)}`,
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});
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}
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if (await Bun.file(pdfPath).exists()) {
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downloads.push({
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label: "PDF herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.pdf`)}`,
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});
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}
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if (await Bun.file(reportHtmlPath).exists()) {
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downloads.push({
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label: "Report-HTML herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.report.html`)}`,
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});
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}
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if (await Bun.file(questionsPdfPath).exists()) {
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downloads.push({
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label: "Fragen-PDF herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.questions.pdf`)}`,
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});
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}
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if (await Bun.file(questionsHtmlPath).exists()) {
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downloads.push({
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label: "Fragen-HTML herunterladen",
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url: `/downloads/summarizer/${encodeURIComponent(stem)}/${encodeURIComponent(`${stem}.questions.html`)}`,
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});
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}
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return Response.json({
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ok: true,
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stem,
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summary: await jsonFile.json(),
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downloads,
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});
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}),
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},
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"/downloads/summarizer/:stem/:file": {
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GET: async (req: Request) => {
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const params = (req as Request & { params: Record<string, string | undefined> }).params;
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const stem = params.stem ?? "";
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const file = params.file ?? "";
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return serveSummaryDownload(req, stem, file);
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},
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},
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...templatebuilder,
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...extractor,
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...summarizer,
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},
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async fetch(req) {
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const { pathname } = new URL(req.url);
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if (pathname === "/pdf.worker.mjs") {
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const blocked = await requireAuth(req);
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if (blocked) return blocked;
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return addSecurityHeaders(new Response(Bun.file(workerPath), {
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headers: { "Content-Type": "application/javascript", "Cache-Control": "private, max-age=3600" },
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}));
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}
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if (pathname === "/login" && req.method === "POST") {
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return login(req);
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}
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if (pathname === "/logout" && req.method === "POST") {
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const blocked = await requireAuth(req, { csrf: true });
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if (blocked) return blocked;
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return logout();
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}
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if (pathname === "/login" && req.method === "GET") {
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return loginPage(req);
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}
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if (pathname === "/healthz" && req.method === "GET") {
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return Response.json({ ok: true });
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}
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if (pathname === "/") {
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const blocked = await requireAuth(req);
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if (blocked) return blocked;
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return addSecurityHeaders(new Response(Bun.file(ROOT_PAGE_PATH), {
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headers: { "Content-Type": "text/html; charset=utf-8" },
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}));
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}
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if (pathname === "/assets/bmp-logo.png") {
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const blocked = await requireAuth(req);
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if (blocked) return blocked;
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return addSecurityHeaders(new Response(Bun.file(BMP_LOGO_PATH), {
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headers: { "Content-Type": "image/png", "Cache-Control": "private, max-age=86400" },
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}));
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}
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if (pathname.startsWith("/_bun/")) {
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const blocked = await requireAuth(req);
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if (blocked) return blocked;
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return new Response("Not found", {
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status: 404,
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headers: securityHeaders,
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});
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}
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if (pathname.startsWith("/downloads/summarizer/")) {
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const [stem = "", file = ""] = pathname
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.slice("/downloads/summarizer/".length)
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.split("/")
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.map((part) => decodeURIComponent(part));
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return serveSummaryDownload(req, stem, file);
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}
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return new Response("Not found", { status: 404, headers: securityHeaders });
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},
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development: { hmr: true, console: true },
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});
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console.log("bmp-rewrite");
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console.log(` pipeline → http://localhost:${PORT}/`);
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console.log(` templatebuilder → http://localhost:${PORT}/builder`);
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console.log(` extractor → http://localhost:${PORT}/extractor`);
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console.log(` summarizer → http://localhost:${PORT}/summarizer`);
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