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Update server.js

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This commit is contained in:
Matthew Jackson
2026-01-25 19:08:37 -08:00
committed by GitHub
parent 4dc7128735
commit 6154da9916
1 changed files with 5 additions and 11 deletions
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16
server.js
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@@ -71,9 +71,7 @@ function isAborted(req, res) {
function sendError(res, status, code, message, requestId) { function sendError(res, status, code, message, requestId) {
if (res.headersSent) { if (res.headersSent) {
try { try { res.end(); } catch {}
res.end();
} catch {}
return; return;
} }
res.status(status).json({ error: code, message, requestId }); res.status(status).json({ error: code, message, requestId });
@@ -213,7 +211,6 @@ async function heicToJpeg(input, opts) {
const { width, height, rgba } = await heifDisplayToRGBA(imgs[0]); const { width, height, rgba } = await heifDisplayToRGBA(imgs[0]);
// IMPORTANT: feed Sharp raw pixel metadata so it doesn't treat the buffer as an encoded image
return normalizeForVision(Buffer.from(rgba), { return normalizeForVision(Buffer.from(rgba), {
...opts, ...opts,
raw: { width, height, channels: 4 }, raw: { width, height, channels: 4 },
@@ -231,13 +228,11 @@ async function pdfFirstPageToJpeg(input, opts) {
try { try {
await fs.writeFile(pdf, input); await fs.writeFile(pdf, input);
await execFilePromise( await execFilePromise(
"pdftoppm", "pdftoppm",
["-jpeg", "-singlefile", "-r", String(opts.pdfDpi), pdf, `/tmp/${id}`], ["-jpeg", "-singlefile", "-r", String(opts.pdfDpi), pdf, `/tmp/${id}`],
DEFAULT_REQ_TIMEOUT_PDF_MS DEFAULT_REQ_TIMEOUT_PDF_MS
); );
const buf = await fs.readFile(out); const buf = await fs.readFile(out);
return normalizeForVision(buf, opts); return normalizeForVision(buf, opts);
} finally { } finally {
@@ -255,9 +250,10 @@ let convertInflight = 0;
async function withConvertSingleFlight(req, res, fn) { async function withConvertSingleFlight(req, res, fn) {
if (convertInflight >= MAX_CONVERT_INFLIGHT) { if (convertInflight >= MAX_CONVERT_INFLIGHT) {
res.setHeader("Retry-After", "1");
return sendError( return sendError(
res, res,
503, 429,
"busy", "busy",
"Converter busy; retry shortly", "Converter busy; retry shortly",
req.requestId req.requestId
@@ -276,7 +272,7 @@ async function withConvertSingleFlight(req, res, fn) {
/* ------------------------------------------------------------------ */ /* ------------------------------------------------------------------ */
app.post("/convert", async (req, res) => { app.post("/convert", async (req, res) => {
// Encourage quick socket turnover; Fly will still manage concurrency. // Encourage quick socket turnover
res.setHeader("Connection", "close"); res.setHeader("Connection", "close");
return withConvertSingleFlight(req, res, async () => { return withConvertSingleFlight(req, res, async () => {
@@ -361,9 +357,7 @@ function clampInt(v, min, max, fallback) {
} }
async function safeUnlink(p) { async function safeUnlink(p) {
try { try { await fs.unlink(p); } catch {}
await fs.unlink(p);
} catch {}
} }
/* ------------------------------------------------------------------ */ /* ------------------------------------------------------------------ */