chore(launcher): Electron-only distro, CI sync with Windows pack

2026-05-10 10:30:56 -05:00
parent a251e56c59
commit 377927b878
20 changed files with 6757 additions and 0 deletions
@@ -0,0 +1,114 @@
+'use strict';
+
+const path = require('path');
+const fs = require('fs').promises;
+const { githubToken } = require('./github-token');
+const { fetchToFile, downloadBodyToFile } = require('./http-download');
+
+function encodeRepoPath(repoPath) {
+  let p = String(repoPath || '').replace(/\\/g, '/').replace(/^\/+|\/+$/g, '');
+  if (!p) return '';
+  return p.split('/').map((seg) => encodeURIComponent(seg)).join('/');
+}
+
+function ghHeaders(token, json = false) {
+  const h = {
+    'User-Agent': 'Fractured-Launcher-Electron',
+    'X-GitHub-Api-Version': '2022-11-28',
+  };
+  if (json) h.Accept = 'application/vnd.github+json';
+  if (token) h.Authorization = `Bearer ${token}`;
+  return h;
+}
+
+async function downloadGitHubRepoFile(cfg, repoPath, destPath) {
+  const token = githubToken(cfg);
+  const enc = encodeRepoPath(repoPath);
+  const ref = cfg.github.ref || 'main';
+  const { owner, repo } = cfg.github;
+
+  if (!token) {
+    const url = `https://raw.githubusercontent.com/${owner}/${repo}/${ref}/${enc}`;
+    await fetchToFile(url, {}, destPath);
+    return;
+  }
+
+  const apiUrl = `https://api.github.com/repos/${owner}/${repo}/contents/${enc}?ref=${encodeURIComponent(ref)}`;
+  const res = await fetch(apiUrl, { headers: ghHeaders(token, true) });
+  const body = await res.text();
+  if (!res.ok) {
+    throw new Error(`GitHub contents API ${res.status}: ${body.slice(0, 800)}`);
+  }
+  const meta = JSON.parse(body);
+  if (meta.type && meta.type !== 'file') {
+    throw new Error(`not a file: ${repoPath}`);
+  }
+  if (meta.download_url) {
+    const h = { Accept: 'application/octet-stream' };
+    if (token) {
+      h.Authorization = `Bearer ${token}`;
+      h['X-GitHub-Api-Version'] = '2022-11-28';
+    }
+    await fetchToFile(meta.download_url, h, destPath);
+    return;
+  }
+  if (meta.content && meta.encoding === 'base64') {
+    const buf = Buffer.from(String(meta.content).replace(/\n/g, ''), 'base64');
+    if (!buf.length) throw new Error('empty base64 content');
+    await fs.mkdir(path.dirname(destPath), { recursive: true });
+    const tmp = destPath + '.downloading';
+    await fs.writeFile(tmp, buf);
+    await fs.rename(tmp, destPath);
+    return;
+  }
+  throw new Error(`unexpected GitHub response for ${repoPath}`);
+}
+
+async function downloadReleaseAsset(cfg, assetName, destPath) {
+  const token = githubToken(cfg);
+  const tag = (cfg.github.release_tag || 'latest').trim() || 'latest';
+  const { owner, repo } = cfg.github;
+  let listUrl;
+  if (tag.toLowerCase() === 'latest') {
+    listUrl = `https://api.github.com/repos/${owner}/${repo}/releases/latest`;
+  } else {
+    listUrl = `https://api.github.com/repos/${owner}/${repo}/releases/tags/${encodeURIComponent(tag)}`;
+  }
+  const res = await fetch(listUrl, { headers: ghHeaders(token, true) });
+  const text = await res.text();
+  if (!res.ok) {
+    let hint = '';
+    if (res.status === 404) hint = ' (wrong tag or private repo without token?)';
+    if (res.status === 401 || res.status === 403) hint = ' (set GITHUB_TOKEN or token_env PAT)';
+    throw new Error(`releases list ${res.status}${hint}: ${text.slice(0, 600)}`);
+  }
+  const rel = JSON.parse(text);
+  const assets = rel.assets || [];
+  let assetURL = '';
+  for (const a of assets) {
+    if (a.name !== assetName) continue;
+    if (token && a.url) {
+      assetURL = a.url;
+      break;
+    }
+    if (a.browser_download_url) {
+      assetURL = a.browser_download_url;
+      break;
+    }
+    assetURL = a.url;
+    break;
+  }
+  if (!assetURL) {
+    const names = assets.map((x) => x.name);
+    throw new Error(`release asset "${assetName}" not found; attachments: ${names.join(', ')}`);
+  }
+  const h = { Accept: 'application/octet-stream' };
+  if (token) {
+    h.Authorization = `Bearer ${token}`;
+    h['X-GitHub-Api-Version'] = '2022-11-28';
+  }
+  const dl = await fetch(assetURL, { headers: h, redirect: 'follow' });
+  await downloadBodyToFile(dl, destPath);
+}
+
+module.exports = { downloadGitHubRepoFile, downloadReleaseAsset, encodeRepoPath };