49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
|
|
// Configs for what to do with requests
|
|
const ALLOWED_USERS = [
|
|
"ewpratten",
|
|
"bgptools"
|
|
];
|
|
const DEFAULT_USER = "ewpratten";
|
|
|
|
// Info needed in order to partially parse OCIDS API endpoints.
|
|
const POSSIBLE_ACTION_TOKENS = ["blobs", "manifests", "tags", "referrers"];
|
|
|
|
export function onRequest(context) {
|
|
|
|
// Parse the path out of the url
|
|
const url = new URL(context.request.url);
|
|
|
|
// The first segment of the path is probably the user
|
|
var path_split = url.pathname.split("/");
|
|
return Response.redirect(path_split, 302);
|
|
|
|
// The image name is the part between `/vx/` and the first action token
|
|
var image_name = "";
|
|
for (var token of path_split) {
|
|
if (token == "v2") {
|
|
continue;
|
|
}
|
|
if (POSSIBLE_ACTION_TOKENS.includes(token)) {
|
|
break;
|
|
}
|
|
image_name += token + "/";
|
|
}
|
|
|
|
// The action_url is everything after the image name
|
|
var action_url = url.pathname.replace(`/v2/${image_name}`, "");
|
|
|
|
// If there is a slash and the first part is not an allowed user, fail
|
|
var image_name_parts = image_name.split("/");
|
|
if (image_name_parts.length > 1 && !ALLOWED_USERS.includes(image_name_parts[0])) {
|
|
return new Response(`User does not exist ${image_name_parts[0]}`, { status: 404 });
|
|
}
|
|
|
|
// If there is no slash, add the default user to the image name
|
|
if (image_name_parts.length == 1) {
|
|
image_name = `${DEFAULT_USER}/${image_name}`;
|
|
}
|
|
|
|
return Response.redirect(`https://ghcr.io/v2/${image_name}/${action_url}`, 302);
|
|
}
|