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87 lines
2.2 KiB
TypeScript
87 lines
2.2 KiB
TypeScript
import { NextRequest, NextResponse } from "next/server";
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import { readFile } from "fs/promises";
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import { join } from "path";
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import { existsSync } from "fs";
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export async function GET(
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request: NextRequest,
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{ params }: { params: Promise<{ filename: string }> }
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) {
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try {
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const { filename } = await params;
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// Sécuriser le nom de fichier pour éviter les path traversal
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if (
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!filename ||
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filename.includes("..") ||
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filename.includes("/") ||
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filename.includes("\\")
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) {
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return NextResponse.json(
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{ error: "Nom de fichier invalide" },
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{ status: 400 }
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);
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}
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// Décoder le nom de fichier (au cas où il contient des caractères encodés)
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const decodedFilename = decodeURIComponent(filename);
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// Chemin vers le fichier background
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const backgroundsDir = join(
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process.cwd(),
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"public",
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"uploads",
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"backgrounds"
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);
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const filepath = join(backgroundsDir, decodedFilename);
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// Vérifier que le fichier existe
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if (!existsSync(filepath)) {
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return NextResponse.json(
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{ error: "Image de fond non trouvée" },
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{ status: 404 }
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);
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}
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// Lire le fichier
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const fileBuffer = await readFile(filepath);
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// Déterminer le type MIME basé sur l'extension
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const extension = decodedFilename.split(".").pop()?.toLowerCase();
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let contentType = "image/jpeg"; // par défaut
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switch (extension) {
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case "png":
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contentType = "image/png";
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break;
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case "gif":
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contentType = "image/gif";
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break;
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case "webp":
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contentType = "image/webp";
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break;
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case "svg":
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contentType = "image/svg+xml";
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break;
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case "jpg":
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case "jpeg":
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default:
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contentType = "image/jpeg";
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}
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// Retourner l'image avec les bons headers
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return new NextResponse(fileBuffer, {
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headers: {
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"Content-Type": contentType,
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"Cache-Control": "public, max-age=31536000, immutable",
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},
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});
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} catch (error) {
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console.error("Error serving background:", error);
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return NextResponse.json(
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{ error: "Erreur lors de la récupération de l'image de fond" },
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{ status: 500 }
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);
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}
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}
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