78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
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import parseLink from 'parse-link-header';
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import { registryAPI, repositoriesPerPage, tagsPerPage, usePortusExplore } from '@/options';
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async function paginatable(path, n, last = null) {
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const url = new URL(`${await registryAPI()}${path}`);
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if (n) url.searchParams.append('n', n);
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if (last) url.searchParams.append('last', last);
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const response = await fetch(url);
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let nextLast = null;
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if (response.headers.has('Link')) {
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const links = parseLink(response.headers.get('Link'));
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if (links && links.next) {
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nextLast = links.next.last;
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}
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}
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return Object.assign(await response.json(), { nextLast });
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}
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async function get(path) {
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const url = new URL(`${await registryAPI()}${path}`);
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const response = await fetch(url);
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return response.json();
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}
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async function head(path) {
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const url = new URL(`${await registryAPI()}${path}`);
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const response = await fetch(url, { method: 'HEAD' });
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return response.headers;
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}
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async function repos(last = null) {
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if (await usePortusExplore()) {
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// TODO: Use the Portus API when it enables anonymous access
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const response = await fetch(`${await registryAPI()}/explore?explore%5Bsearch%5D=`);
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const html = await response.text();
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// unconventionally parse out JSON from HTML
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const startString = 'window.repositories = ';
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const endString = ';</script>';
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const string = html.substring(
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html.lastIndexOf(startString) + startString.length,
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html.indexOf(endString),
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);
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return JSON.parse(string);
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}
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return paginatable('/v2/_catalog', await repositoriesPerPage(), last);
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}
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async function repo(name) {
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return get(`/v2/${name}`);
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}
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async function tags(name, last = null) {
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return paginatable(`/v2/${name}/tags/list`, await tagsPerPage(), last);
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}
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async function tag(name, ref) {
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return get(`/v2/${name}/manifests/${ref}`);
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}
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async function blob(name, digest) {
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const headers = await head(`/v2/${name}/blobs/${digest}`);
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return {
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contentLength: parseInt(headers.get('Content-Length'), 10),
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};
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}
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export {
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repos,
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repo,
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tags,
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tag,
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blob,
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};
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