59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
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import { imageConfig } from "astro:assets";
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import { isRemotePath } from "@astrojs/internal-helpers/path";
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import { isRemoteAllowed } from "@astrojs/internal-helpers/remote";
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import * as mime from "mrmime";
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import { getConfiguredImageService } from "../internal.js";
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import { etag } from "../utils/etag.js";
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import { loadImage } from "./loadImage.js";
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const GET = async ({ request }) => {
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try {
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const imageService = await getConfiguredImageService();
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if (!("transform" in imageService)) {
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throw new Error("Configured image service is not a local service");
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}
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const url = new URL(request.url);
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const transform = await imageService.parseURL(url, imageConfig);
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if (!transform?.src) {
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throw new Error("Incorrect transform returned by `parseURL`");
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}
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let inputBuffer = void 0;
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const isRemoteImage = isRemotePath(transform.src);
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if (isRemoteImage && isRemoteAllowed(transform.src, imageConfig) === false) {
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return new Response("Forbidden", { status: 403 });
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}
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const sourceUrl = new URL(transform.src, url.origin);
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if (!isRemoteImage && sourceUrl.origin !== url.origin) {
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return new Response("Forbidden", { status: 403 });
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}
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inputBuffer = await loadImage(
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sourceUrl,
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isRemoteImage ? new Headers() : request.headers,
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imageConfig,
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isRemoteImage
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);
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if (!inputBuffer) {
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return new Response("Not Found", { status: 404 });
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}
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const { data, format } = await imageService.transform(
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new Uint8Array(inputBuffer),
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transform,
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imageConfig
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);
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return new Response(data, {
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status: 200,
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headers: {
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"Content-Type": mime.lookup(format) ?? `image/${format}`,
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"Cache-Control": "public, max-age=31536000",
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ETag: etag(data.toString()),
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Date: (/* @__PURE__ */ new Date()).toUTCString()
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}
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});
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} catch (err) {
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console.error("Could not process image request:", err);
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return new Response("Internal Server Error", { status: 500 });
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}
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};
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export {
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GET
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};
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