Preview: Builds ueber den Runner

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/services/previewLogs.js

@@ -0,0 +1,55 @@
+// Build-Protokolle je Projekt: upload-data/preview-logs/<projectId>/<runFile>, maskiert, letzte 5
+import crypto from 'node:crypto'
+import fs from 'node:fs/promises'
+import path from 'node:path'
+import { config } from '../config.js'
+import { maskLog } from './previewEnv.js'
+
+const KEEP = 5
+const MAX_LINES = 300
+const PROJECT_RE = /^[A-Za-z0-9][A-Za-z0-9._-]{0,35}$/
+const FILE_RE = /^\d{4}-\d{2}-\d{2}T\d{2}-\d{2}-\d{2}-\d{3}Z-[0-9a-f]{6}\.log$/
+
+const projectDir = (projectId) => {
+  if (!PROJECT_RE.test(String(projectId || '')) || String(projectId).includes('..')) {
+    throw new Error('Ungültige Projekt-ID')
+  }
+  return path.join(config.previewRunner.logDir, projectId)
+}
+
+export async function saveRunLog(projectId, lines, env) {
+  const dir = projectDir(projectId)
+  await fs.mkdir(dir, { recursive: true })
+  const stamp = new Date().toISOString().replace(/[:.]/g, '-')
+  const runFile = `${stamp}-${crypto.randomBytes(3).toString('hex')}.log`
+  const text = maskLog((Array.isArray(lines) ? lines : []).slice(-MAX_LINES).join('\n'), env)
+  await fs.writeFile(path.join(dir, runFile), text + '\n', 'utf8')
+  const all = (await fs.readdir(dir)).filter((f) => FILE_RE.test(f)).sort()
+  for (const old of all.slice(0, Math.max(0, all.length - KEEP))) {
+    await fs.rm(path.join(dir, old), { force: true })
+  }
+  return runFile
+}
+
+// Neueste zuerst
+export async function listRunLogs(projectId) {
+  let files
+  try { files = await fs.readdir(projectDir(projectId)) } catch { return [] }
+  return files
+    .filter((f) => FILE_RE.test(f))
+    .sort()
+    .reverse()
+    .map((runFile) => ({
+      runFile,
+      at: runFile.slice(0, 24).replace(/^(.{13})-(.{2})-(.{2})-/, '$1:$2:$3.'),
+    }))
+}
+
+export async function readRunLog(projectId, runFile) {
+  if (!FILE_RE.test(String(runFile || ''))) return null
+  try {
+    return await fs.readFile(path.join(projectDir(projectId), runFile), 'utf8')
+  } catch {
+    return null
+  }
+}