44 lines
1.3 KiB
TypeScript
44 lines
1.3 KiB
TypeScript
import { NextResponse } from "next/server";
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import { readFile } from "fs/promises";
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import { existsSync } from "fs";
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import path from "path";
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export const dynamic = "force-dynamic";
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const MEDIA_DIR = "public/assets/images/media";
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const ALLOWED_EXT = [".png", ".jpg", ".jpeg", ".gif", ".webp", ".svg", ".bmp"];
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export async function GET(
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_request: Request,
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{ params }: { params: Promise<{ path: string[] }> },
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) {
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const { path: segments } = await params;
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const name = segments.join("/");
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// Prevent path traversal
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if (name.includes("..") || name.includes("\\")) {
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return new NextResponse("Forbidden", { status: 403 });
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}
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const ext = path.extname(name).toLowerCase();
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if (!ALLOWED_EXT.includes(ext)) {
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return new NextResponse("Forbidden", { status: 403 });
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}
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const filePath = path.join(process.cwd(), MEDIA_DIR, name);
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if (!existsSync(filePath)) {
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return new NextResponse("Not found", { status: 404 });
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}
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const bytes = await readFile(filePath);
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const mime: Record<string, string> = {
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".png": "image/png", ".jpg": "image/jpeg", ".jpeg": "image/jpeg",
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".gif": "image/gif", ".webp": "image/webp", ".svg": "image/svg+xml", ".bmp": "image/bmp",
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};
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return new NextResponse(bytes, {
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headers: {
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"Content-Type": mime[ext] ?? "application/octet-stream",
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"Cache-Control": "public, max-age=86400",
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},
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});
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}
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