Project Browsers 1.0
This commit is contained in:
Jakub Zych
200
server.js
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200
server.js
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const fs = require('fs');
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const express = require('express');
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const path = require('path');
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const { scanProjects } = require('./lib/scanner');
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const pm = require('./lib/process-manager');
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const { takeScreenshot } = require('./lib/screenshotter');
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const centro = require('./lib/centrifugo');
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const app = express();
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const PORT = 3000;
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// Scan projects on startup
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let projects = scanProjects();
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const projectsBySlug = new Map(projects.map(p => [p.slug, p]));
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console.log(`Found ${projects.length} projects:`);
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projects.forEach(p => {
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const fe = p.frontend ? ` + frontend(${p.frontend.dir} :${p.frontend.port} ${p.frontend.packageManager})` : '';
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console.log(` ${p.slug} :${p.port} (${p.portSource || 'assigned'})${fe}`);
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});
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// Publish status changes to Centrifugo
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pm.events.on('status', (slug, subtype, status) => {
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centro.publishStatus(slug, status, { subtype });
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});
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// Static files
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app.use(express.static(path.join(__dirname, 'public')));
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app.use(express.json());
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// Serve project docs folders with directory listing
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app.use('/docs/:slug', (req, res, next) => {
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const project = projectsBySlug.get(req.params.slug);
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if (!project) return res.status(404).send('Project not found');
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const docsRoot = path.join(project.path, 'docs');
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const reqPath = decodeURIComponent(req.path).replace(/\.\./g, '');
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const fullPath = path.join(docsRoot, reqPath);
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if (!fullPath.startsWith(docsRoot)) return res.status(403).send('Forbidden');
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let stat;
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try { stat = fs.statSync(fullPath); } catch { return res.status(404).send('Not found'); }
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if (stat.isFile()) return res.sendFile(fullPath);
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// Directory listing
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const entries = fs.readdirSync(fullPath, { withFileTypes: true });
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const basePath = `/docs/${project.slug}${reqPath}`.replace(/\/$/, '');
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const dirs = entries.filter(e => e.isDirectory()).sort((a, b) => a.name.localeCompare(b.name));
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const files = entries.filter(e => e.isFile()).sort((a, b) => a.name.localeCompare(b.name));
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const items = [
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...dirs.map(e => `<li><a href="${basePath}/${e.name}/">${e.name}/</a></li>`),
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...files.map(e => `<li><a href="${basePath}/${e.name}">${e.name}</a></li>`),
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].join('\n');
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res.send(`<!DOCTYPE html><html><head><meta charset="utf-8">
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<title>docs/${project.slug}${reqPath}</title>
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<style>body{font-family:system-ui;background:#0f1117;color:#e4e6ed;padding:2rem}
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a{color:#6c8cff;text-decoration:none}a:hover{text-decoration:underline}
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li{margin:4px 0;font-size:15px}h2{font-weight:500;margin-bottom:1rem}</style>
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</head><body><h2>docs/${project.slug}${reqPath}/</h2>
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${reqPath !== '/' && reqPath !== '' ? '<a href="../">← back</a>' : ''}
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<ul>${items}</ul></body></html>`);
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});
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// Centrifugo connection token
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app.get('/api/centrifugo/token', (req, res) => {
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const token = centro.createJWT('projects-browser');
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res.json({ token });
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});
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// List all projects with live status
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app.get('/api/projects', (req, res) => {
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const statuses = pm.getAllStatuses();
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const result = projects.map(p => {
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const s = statuses[p.slug];
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const hasFrontend = !!p.frontend;
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return {
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...p,
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status: s ? pm.combinedStatus(p.slug, hasFrontend) : 'stopped',
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apiStatus: s?.api?.status || 'stopped',
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frontendStatus: hasFrontend ? (s?.frontend?.status || 'stopped') : null,
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pid: s?.api?.pid || null,
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};
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});
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res.json(result);
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});
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// Start a project
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app.post('/api/projects/:slug/start', (req, res) => {
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const project = projectsBySlug.get(req.params.slug);
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if (!project) return res.status(404).json({ error: 'Project not found' });
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const result = pm.start(project.slug, project.path, project.port, project.frontend || null);
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res.json(result);
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});
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// Stop a project
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app.post('/api/projects/:slug/stop', async (req, res) => {
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const project = projectsBySlug.get(req.params.slug);
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if (!project) return res.status(404).json({ error: 'Project not found' });
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const result = await pm.stop(project.slug);
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res.json(result);
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});
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// Screenshot a project
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app.post('/api/projects/:slug/screenshot', async (req, res) => {
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const project = projectsBySlug.get(req.params.slug);
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if (!project) return res.status(404).json({ error: 'Project not found' });
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const s = pm.getStatus(project.slug);
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const hasFrontend = !!project.frontend;
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// For frontend projects, prefer frontend being up; otherwise check API
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if (hasFrontend) {
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if (s.frontend?.status !== 'running') {
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return res.status(400).json({ error: 'Frontend must be running to take screenshot' });
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}
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} else {
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if (s.api.status !== 'running') {
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return res.status(400).json({ error: 'Project must be running to take screenshot' });
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}
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}
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// Screenshot the frontend port if available, otherwise API port
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const screenshotPort = hasFrontend ? project.frontend.port : project.port;
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try {
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const imgPath = await takeScreenshot(project.slug, screenshotPort, hasFrontend);
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centro.publishScreenshot(project.slug);
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res.json({ screenshot: imgPath });
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} catch (err) {
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res.status(500).json({ error: err.message });
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}
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});
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// Screenshot all running projects
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app.post('/api/screenshot-all', async (req, res) => {
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const statuses = pm.getAllStatuses();
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const results = {};
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for (const p of projects) {
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const s = statuses[p.slug];
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if (!s) continue;
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const hasFrontend = !!p.frontend;
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const combined = pm.combinedStatus(p.slug, hasFrontend);
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if (combined !== 'running') continue;
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const screenshotPort = hasFrontend ? p.frontend.port : p.port;
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try {
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results[p.slug] = await takeScreenshot(p.slug, screenshotPort, hasFrontend);
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centro.publishScreenshot(p.slug);
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} catch (err) {
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results[p.slug] = { error: err.message };
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}
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}
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res.json(results);
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});
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// Get logs for a project
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app.get('/api/projects/:slug/logs', (req, res) => {
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const project = projectsBySlug.get(req.params.slug);
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if (!project) return res.status(404).json({ error: 'Project not found' });
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const s = pm.getStatus(project.slug);
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res.json({
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api: s.api.logs,
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frontend: s.frontend?.logs || [],
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});
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});
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// Rescan projects
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app.post('/api/rescan', (req, res) => {
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projects = scanProjects();
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projectsBySlug.clear();
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projects.forEach(p => projectsBySlug.set(p.slug, p));
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res.json({ count: projects.length });
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});
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// Graceful shutdown
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let shuttingDown = false;
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function shutdown() {
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if (shuttingDown) return;
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shuttingDown = true;
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console.log('\nShutting down, stopping all child processes...');
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pm.killAllSync();
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console.log('All processes killed.');
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process.exit(0);
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}
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process.on('SIGINT', shutdown);
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process.on('SIGTERM', shutdown);
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app.listen(PORT, '0.0.0.0', () => {
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console.log(`Projects Browser running at http://0.0.0.0:${PORT}`);
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});
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