27 lines
674 B
JavaScript
27 lines
674 B
JavaScript
const path = require("path");
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const etag = require("etag");
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const getContentTypeHeader = require("../utils/getContentTypeHeader");
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function serveStaticFile(req, res) {
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const tags = ["file"];
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const ext = path.extname(req.entry.name).substr(1);
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if (ext) {
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tags.push(`${ext}-file`);
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}
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res
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.set({
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"Content-Length": req.entry.size,
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"Content-Type": getContentTypeHeader(req.entry.contentType),
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"Cache-Control": "public,max-age=31536000", // 1 year
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"Last-Modified": req.entry.lastModified,
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ETag: etag(req.entry.content),
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"Cache-Tag": tags.join(",")
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})
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.send(req.entry.content);
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}
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module.exports = serveStaticFile;
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