86 lines
3.4 KiB
TypeScript
86 lines
3.4 KiB
TypeScript
import { client } from "$lib/server/nextcloud";
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import { error } from "@sveltejs/kit";
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import type { RequestHandler } from "./$types";
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import mime from "mime-types";
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import { env } from "$env/dynamic/private";
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export const GET: RequestHandler = async ({ params, url }) => {
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const { path } = params;
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const width = url.searchParams.get("w");
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const height = url.searchParams.get("h");
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if (!path) {
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throw error(400, "Path is required");
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}
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try {
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let buffer: ArrayBuffer;
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let contentType: string;
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if (width || height) {
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// Use Nextcloud Preview API
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const baseUrl = env.NEXTCLOUD_URL?.endsWith("/") ? env.NEXTCLOUD_URL : `${env.NEXTCLOUD_URL}/`;
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let fullPath = path;
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if (env.NEXTCLOUD_BASE_DIR) {
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const baseDir = env.NEXTCLOUD_BASE_DIR.replace(/^\/+|\/+$/g, "");
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fullPath = baseDir ? `${baseDir}/${path}` : path;
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}
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const previewUrl = new URL(`${baseUrl}index.php/core/preview`);
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// Ensure leading slash for the file parameter
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const fileParam = fullPath.startsWith('/') ? fullPath : `/${fullPath}`;
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previewUrl.searchParams.set("file", fileParam);
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if (width) previewUrl.searchParams.set("x", width);
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if (height) previewUrl.searchParams.set("y", height);
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previewUrl.searchParams.set("forceIcon", "0");
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const auth = Buffer.from(`${env.NEXTCLOUD_USER}:${env.NEXTCLOUD_PASSWORD}`).toString("base64");
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console.log(`Fetching preview: ${previewUrl.toString()} for file: ${fullPath}`);
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try {
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const response = await fetch(previewUrl.toString(), {
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headers: {
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"Authorization": `Basic ${auth}`
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}
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});
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if (response.ok) {
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buffer = await response.arrayBuffer();
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contentType = response.headers.get("Content-Type") || "image/png";
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return new Response(buffer, {
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headers: {
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"Content-Type": contentType,
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"Cache-Control": "public, max-age=86400",
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"Vary": "Accept-Encoding"
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}
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});
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} else {
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console.warn(`Nextcloud preview failed (${response.status} ${response.statusText}) for ${fullPath}. Falling back to original.`);
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}
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} catch (fetchError) {
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console.error(`Fetch error during preview request for ${fullPath}:`, fetchError);
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}
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}
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// Fetch original via WebDAV (Fallback or no resize requested)
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console.log(`Fetching original file via WebDAV: /${path}`);
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const data = await client.getFileContents("/" + path);
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buffer = data as ArrayBuffer;
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contentType = mime.lookup(path) || "application/octet-stream";
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return new Response(buffer, {
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headers: {
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"Content-Type": contentType,
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"Cache-Control": "public, max-age=86400",
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"Vary": "Accept-Encoding"
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}
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});
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} catch (e) {
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console.error(`Error fetching asset from Nextcloud: ${path}`, e);
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throw error(404, "Asset not found");
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}
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};
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