55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
import mime from "mime/lite.js";
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import { isRemotePath } from "../core/path.js";
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import { getConfiguredImageService } from "./internal.js";
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import { isLocalService } from "./services/service.js";
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import { etag } from "./utils/etag.js";
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import { imageServiceConfig } from "astro:assets";
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async function loadRemoteImage(src) {
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try {
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const res = await fetch(src);
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if (!res.ok) {
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return void 0;
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}
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return Buffer.from(await res.arrayBuffer());
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} catch (err) {
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return void 0;
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}
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}
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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 (!isLocalService(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, imageServiceConfig);
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if (!(transform == null ? void 0 : 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 sourceUrl = isRemotePath(transform.src) ? new URL(transform.src) : new URL(transform.src, url.origin);
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inputBuffer = await loadRemoteImage(sourceUrl);
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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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inputBuffer,
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transform,
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imageServiceConfig
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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.getType(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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return new Response(`Server Error: ${err}`, { 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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