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remotion/node_modules/@remotion/studio-server/dist/preview-server/serve-static.js

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+"use strict";
+/*!
+ * serve-static
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.serveStatic = void 0;
+const renderer_1 = require("@remotion/renderer");
+const node_fs_1 = require("node:fs");
+const middleware_1 = require("./dev-middleware/middleware");
+const range_parser_1 = require("./dev-middleware/range-parser");
+const serveStatic = async function ({ root, path, req, res, allowOutsidePublicFolder, }) {
+    if (req.method !== 'GET' && req.method !== 'HEAD') {
+        // method not allowed
+        res.statusCode = 405;
+        res.setHeader('Allow', 'GET, HEAD');
+        res.setHeader('Content-Length', '0');
+        res.end();
+        return;
+    }
+    if (!renderer_1.RenderInternals.isPathInside(path, root) && !allowOutsidePublicFolder) {
+        res.writeHead(500);
+        res.write('Not allowed to read');
+        res.end();
+        return;
+    }
+    const exists = (0, node_fs_1.existsSync)(path);
+    if (!exists) {
+        res.writeHead(404);
+        res.write(`${path} does not exist`);
+        res.end();
+        return;
+    }
+    const lstat = await node_fs_1.promises.lstat(path);
+    if (lstat.isSymbolicLink()) {
+        const target = await node_fs_1.promises.readlink(path);
+        return (0, exports.serveStatic)({
+            path: target,
+            root,
+            req,
+            res,
+            allowOutsidePublicFolder: true,
+        });
+    }
+    const isDirectory = lstat.isDirectory();
+    if (isDirectory) {
+        res.writeHead(500);
+        res.write('Is a directory');
+        res.end();
+        return;
+    }
+    const hasRange = req.headers.range && lstat.size;
+    if (!hasRange) {
+        const readStream = (0, node_fs_1.createReadStream)(path);
+        res.setHeader('content-type', renderer_1.RenderInternals.mimeLookup(path) || 'application/octet-stream');
+        res.setHeader('content-length', lstat.size);
+        res.writeHead(200);
+        readStream.pipe(res);
+        return;
+    }
+    const range = (0, range_parser_1.parseRange)(lstat.size, req.headers.range);
+    if (typeof range === 'object' && range.type === 'bytes') {
+        const { start, end } = range[0];
+        res.setHeader('content-type', renderer_1.RenderInternals.mimeLookup(path) || 'application/octet-stream');
+        res.setHeader('content-range', (0, middleware_1.getValueContentRangeHeader)('bytes', lstat.size, {
+            end,
+            start,
+        }));
+        res.setHeader('content-length', end - start + 1);
+        res.writeHead(206);
+        const readStream = (0, node_fs_1.createReadStream)(path, {
+            start,
+            end,
+        });
+        readStream.pipe(res);
+        return;
+    }
+    res.statusCode = 416;
+    res.setHeader('Content-Range', `bytes */${lstat.size}`);
+    res.end();
+};
+exports.serveStatic = serveStatic;