38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
// This function acts as a proxy for the OCI Distribution API
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// It will redirect requests to the ghcr.io domain and inject a default user
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// Configs for what to do with requests
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const DEFAULT_USER = "ewpratten";
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const ALLOWED_EXTRA_USERS = [
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];
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const TARGET_URL = new URL("https://registry.hub.docker.com/v2/");
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export function onRequest(context) {
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// Parse the path out of the url
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const url = new URL(context.request.url);
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// Replace the domain and port with the ghcr.io domain
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url.hostname = TARGET_URL.hostname;
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url.port = "";
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// If the path is just /v2 then redirect upstream
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if (url.pathname == "/v2" || url.pathname == "/v2/") {
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return Response.redirect(TARGET_URL.toString(), 302);
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}
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// If the path starts with an allowed user, redirect to the new url
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for (var user of ALLOWED_EXTRA_USERS) {
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if (url.pathname.startsWith(`/v2/${user}/`)) {
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return Response.redirect(url.toString(), 302);
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}
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}
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// Inject the default user into the path after /v2/
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url.pathname = url.pathname.replace("/v2/", `/v2/${DEFAULT_USER}/`);
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// Redirect to the new url
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return Response.redirect(url.toString(), 302);
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}
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