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seb
2026-10-24 02:31:35 +02:00
parent 3f2bdce5ad
commit ebbeb6437a
1 changed files with 23 additions and 27 deletions
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50
src/v1/routes/pimage.js
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@@ -110,40 +110,36 @@ export async function handlePimage(req, res) {
return res.status(304).end(); return res.status(304).end();
} }
let buffer = image.buffer; const imageSharp = sharp(image.buffer);
let contentType = 'image/jpeg'; const meta = await imageSharp.metadata();
try { let pipeline = imageSharp
const imageSharp = sharp(buffer); .resize(targetW, targetH, {
const meta = await imageSharp.metadata();
let pipeline = imageSharp.resize(targetW, targetH, {
fit: 'inside', fit: 'inside',
withoutEnlargement: true, withoutEnlargement: true,
}); })
.flatten({ background: '#ffffff' });
const accept = String(req.headers.accept || ''); const accept = String(req.headers.accept || '');
const formatParam = typeof req.query.format === 'string' ? req.query.format.toLowerCase() : ''; const formatParam = typeof req.query.format === 'string' ? req.query.format.toLowerCase() : '';
if (formatParam === 'avif' || (!formatParam && accept.includes('image/avif'))) { let contentType = 'image/jpeg';
pipeline = pipeline.avif({ effort: 2 }); if (formatParam === 'avif' || (!formatParam && accept.includes('image/avif'))) {
contentType = 'image/avif'; pipeline = pipeline.avif({ effort: 2 });
} else if (formatParam === 'webp' || (!formatParam && accept.includes('image/webp'))) { contentType = 'image/avif';
pipeline = pipeline.webp({ quality: 85 }); } else if (formatParam === 'webp' || (!formatParam && accept.includes('image/webp'))) {
contentType = 'image/webp'; pipeline = pipeline.webp({ quality: 85 });
} else if (formatParam === 'png' || (!formatParam && meta.hasAlpha)) { contentType = 'image/webp';
pipeline = pipeline.png(); } else if (formatParam === 'png' || (!formatParam && meta.hasAlpha)) {
contentType = 'image/png'; pipeline = pipeline.png();
} else { contentType = 'image/png';
pipeline = pipeline.jpeg({ quality: 85 }); } else {
contentType = 'image/jpeg'; pipeline = pipeline.jpeg({ quality: 85 });
} contentType = 'image/jpeg';
buffer = await pipeline.toBuffer();
} catch (resizeErr) {
console.warn(`[pimage] resize/convert fallback for ${rawPath}:`, resizeErr.message);
} }
const buffer = await pipeline.toBuffer();
res.setHeader('Content-Type', contentType); res.setHeader('Content-Type', contentType);
res.setHeader('Content-Length', String(buffer.length)); res.setHeader('Content-Length', String(buffer.length));
res.setHeader('Cache-Control', 'public, max-age=86400'); res.setHeader('Cache-Control', 'public, max-age=86400');