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dri
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pull/2/head
Ambrose Chua 2018-09-27 14:10:11 +08:00
parent 19100d9e15
commit a8418754df
1 changed files with 28 additions and 22 deletions
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50
src/api.js
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@ -28,18 +28,18 @@ function parseWWWAuthenticate(text) {
return result; return result;
} }
let cachedToken = null; const cachedTokens = {};
async function doAuth() { async function doAuth(scope) {
if (cachedToken !== null) { if (cachedTokens[scope] !== null) {
return cachedToken; return cachedTokens[scope];
} }
// try accessing registry API // try accessing registry API
const response = await fetch(`${await registryAPI()}/v2/`); const response = await fetch(`${await registryAPI()}/v2/`);
if (response.ok) { if (response.ok) {
// token not needed for registry // token not needed for registry
cachedToken = false; cachedTokens[scope] = false;
return cachedToken; return cachedTokens[scope];
} }
if (response.status !== 401) { if (response.status !== 401) {
throw new Error(response.statusText); throw new Error(response.statusText);
@ -58,21 +58,23 @@ async function doAuth() {
const tokURL = new URL(chal.realm); const tokURL = new URL(chal.realm);
tokURL.searchParams.append('client_id', 'dri-client'); tokURL.searchParams.append('client_id', 'dri-client');
tokURL.searchParams.append('service', chal.service); tokURL.searchParams.append('service', chal.service);
tokURL.searchParams.append('scope', 'repository:pwd/migrate:pull'); tokURL.searchParams.append('scope', scope);
const tokResponse = await fetch(tokURL); const tokResponse = await fetch(tokURL);
const tok = await tokResponse.json(); const tok = await tokResponse.json();
cachedToken = tok.token; cachedTokens[scope] = tok.token;
return tok.token; return tok.token;
} }
async function paginatable(path, n, last = null) { async function paginatable(path, scope, n, last = null) {
const token = await doAuth();
const url = new URL(`${await registryAPI()}${path}`); const url = new URL(`${await registryAPI()}${path}`);
if (n) url.searchParams.append('n', n); if (n) url.searchParams.append('n', n);
if (last) url.searchParams.append('last', last); if (last) url.searchParams.append('last', last);
const headers = {}; const headers = {};
if (token) headers.Authorization = `Bearer ${token}`; if (scope) {
const token = await doAuth(scope);
if (token) headers.Authorization = `Bearer ${token}`;
}
const response = await fetch(url, { headers }); const response = await fetch(url, { headers });
let nextLast = null; let nextLast = null;
if (response.headers.has('Link')) { if (response.headers.has('Link')) {
@ -84,20 +86,24 @@ async function paginatable(path, n, last = null) {
return Object.assign(await response.json(), { nextLast }); return Object.assign(await response.json(), { nextLast });
} }
async function get(path) { async function get(path, scope) {
const token = await doAuth();
const url = new URL(`${await registryAPI()}${path}`); const url = new URL(`${await registryAPI()}${path}`);
const headers = {}; const headers = {};
if (token) headers.Authorization = `Bearer ${token}`; if (scope) {
const token = await doAuth(scope);
if (token) headers.Authorization = `Bearer ${token}`;
}
const response = await fetch(url, { headers }); const response = await fetch(url, { headers });
return response.json(); return response.json();
} }
async function head(path) { async function head(path, scope) {
const token = await doAuth();
const url = new URL(`${await registryAPI()}${path}`); const url = new URL(`${await registryAPI()}${path}`);
const headers = {}; const headers = {};
if (token) headers.Authorization = `Bearer ${token}`; if (scope) {
const token = await doAuth(scope);
if (token) headers.Authorization = `Bearer ${token}`;
}
const response = await fetch(url, { method: 'HEAD', headers }); const response = await fetch(url, { method: 'HEAD', headers });
return response.headers; return response.headers;
} }
@ -126,11 +132,11 @@ async function repos(last = null) {
repositories: p.map(r => r.full_name), repositories: p.map(r => r.full_name),
}; };
} }
return paginatable('/v2/_catalog', await repositoriesPerPage(), last); return paginatable('/v2/_catalog', null, await repositoriesPerPage(), last);
} }
async function repo(name) { async function repo(name) {
return get(`/v2/${name}`); return get(`/v2/${name}`, `repository:${name}:pull`);
} }
async function tags(name, last = null) { async function tags(name, last = null) {
@ -141,15 +147,15 @@ async function tags(name, last = null) {
.tags.map(t => t[0].name), .tags.map(t => t[0].name),
}; };
} }
return paginatable(`/v2/${name}/tags/list`, await tagsPerPage(), last); return paginatable(`/v2/${name}/tags/list`, `repository:${name}:pull`, await tagsPerPage(), last);
} }
async function tag(name, ref) { async function tag(name, ref) {
return get(`/v2/${name}/manifests/${ref}`); return get(`/v2/${name}/manifests/${ref}`, `repository:${name}:pull`);
} }
async function blob(name, digest) { async function blob(name, digest) {
const headers = await head(`/v2/${name}/blobs/${digest}`); const headers = await head(`/v2/${name}/blobs/${digest}`, `repository:${name}:pull`);
return { return {
contentLength: parseInt(headers.get('Content-Length'), 10), contentLength: parseInt(headers.get('Content-Length'), 10),
}; };