2025-11-16 11:53:58 +00:00
6 changed files with 270 additions and 1 deletions
@@ -43,6 +43,18 @@ jobs:
          if-no-files-found: ignore
          retention-days: 3

+      - name: Verify bundle integrity (optional)
+        run: |
+          set -euo pipefail
+          if [ -d ./artifacts/export ]; then
+            echo "Found ./artifacts/export; generating verify inputs"
+            npm run verify:make-json
+            echo "Running verify CLI"
+            npm run verify:run
+          else
+            echo "No ./artifacts/export; skipping integrity verification"
+          fi
+
      - name: Auto-merge PR on green
        if: ${{ github.event_name == 'pull_request' }}
        env:
@@ -0,0 +1,48 @@
+import { describe, it, expect } from 'vitest'
+import { generateVerifyInputs } from '@/lib/exporter/verify.serialize'
+
+// helper to b64
+function toB64(u8: Uint8Array) {
+  if (typeof Buffer !== 'undefined') return Buffer.from(u8).toString('base64')
+  throw new Error('Buffer not available')
+}
+
+describe('verify.serialize (from folder maps)', () => {
+  it('collects assets.integrity.index.json into extras and assets/* into assets map', async () => {
+    // virtual FS
+    const files: Record<string, Uint8Array> = {
+      '/artifacts/export/assets.integrity.index.json': new TextEncoder().encode(JSON.stringify({ entries: [], bundleHash: 'sha256-47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=' })),
+      '/artifacts/export/index.html': new TextEncoder().encode('<!doctype html>'),
+      '/artifacts/export/assets/img/a.png': new Uint8Array([1,2,3]),
+      '/artifacts/export/assets/fonts/f.woff2': new Uint8Array([4,5,6,7]),
+    }
+    const listDir = async (dir: string): Promise<string[]> => {
+      // return child paths (recursive listing simulated by filtering)
+      return Object.keys(files).filter((p) => p.startsWith(dir)).map((p) => p)
+    }
+    const readFile = async (p: string) => {
+      const v = files[p]
+      if (!v) throw new Error('not found: ' + p)
+      return v
+    }
+    const { extras, assets } = await generateVerifyInputs('/artifacts/export', listDir, readFile)
+    // extras must have only the integrity index
+    expect(Object.keys(extras)).toEqual(['assets.integrity.index.json'])
+    expect(extras['assets.integrity.index.json']).toBe(toB64(files['/artifacts/export/assets.integrity.index.json']))
+    // assets must include assets/* files only
+    expect(Object.keys(assets).sort()).toEqual(['assets/fonts/f.woff2','assets/img/a.png'])
+    expect(assets['assets/img/a.png']).toBe(toB64(files['/artifacts/export/assets/img/a.png']))
+  })
+
+  it('ignores non-asset files and missing integrity index', async () => {
+    const files: Record<string, Uint8Array> = {
+      '/artifacts/export/index.html': new TextEncoder().encode('<!doctype html>'),
+      '/artifacts/export/assets/img/a.png': new Uint8Array([9,9]),
+    }
+    const listDir = async (dir: string) => Object.keys(files).filter((p) => p.startsWith(dir))
+    const readFile = async (p: string) => files[p]!
+    const { extras, assets } = await generateVerifyInputs('/artifacts/export', listDir, readFile)
+    expect(Object.keys(extras)).toEqual([])
+    expect(Object.keys(assets)).toEqual(['assets/img/a.png'])
+  })
+})
@@ -0,0 +1,47 @@
+export type ListDir = (dir: string) => Promise<string[]>
+export type ReadFile = (path: string) => Promise<Uint8Array>
+
+function toBase64(u8: Uint8Array): string {
+  if (typeof Buffer !== 'undefined') return Buffer.from(u8).toString('base64')
+  throw new Error('Buffer not available')
+}
+
+// Generate inputs for verify CLI from a folder tree.
+// - root: export folder (contains assets.integrity.index.json and assets/*)
+// - listDir: returns list of file paths under root (can be recursive listing)
+// - readFile: reads a file into bytes
+export async function generateVerifyInputs(
+  root: string,
+  listDir: ListDir,
+  readFile: ReadFile
+): Promise<{ extras: Record<string, string>; assets: Record<string, string> }> {
+  const all = await listDir(root)
+  const norm = (p: string) => p.replace(/\\/g, '/')
+  const rootNorm = norm(root).replace(/\/$/, '')
+  const rel = (p: string) => {
+    const pn = norm(p)
+    return pn.startsWith(rootNorm + '/') ? pn.slice(rootNorm.length + 1) : pn
+  }
+
+  const extras: Record<string, string> = {}
+  const assets: Record<string, string> = {}
+
+  // assets.integrity.index.json at root
+  const integrityPath = all.find((p) => rel(p) === 'assets.integrity.index.json')
+  if (integrityPath) {
+    const bytes = await readFile(integrityPath)
+    extras['assets.integrity.index.json'] = toBase64(bytes)
+  }
+
+  // collect assets/**/*
+  for (const abs of all) {
+    const r = rel(abs)
+    if (!r.startsWith('assets/')) continue
+    // skip directories: best-effort by checking trailing slash
+    if (r.endsWith('/')) continue
+    const bytes = await readFile(abs)
+    assets[r] = toBase64(bytes)
+  }
+
+  return { extras, assets }
+}
@@ -10,7 +10,9 @@
    "test": "vitest run",
    "test:watch": "vitest -w",
    "coverage": "vitest run --coverage",
-    "test:e2e": "playwright test"
+    "test:e2e": "playwright test",
+    "verify:make-json": "node scripts/make-verify-json.js --root ./artifacts/export --extras ./artifacts/extras.json --assets ./artifacts/assets.json",
+    "verify:run": "node scripts/verify.js --extras ./artifacts/extras.json --assets ./artifacts/assets.json"
  },
  "dependencies": {
    "@dnd-kit/core": "^6.3.1",
@@ -0,0 +1,82 @@
+#!/usr/bin/env node
+/*
+  Generate verify inputs from an export folder
+  Usage: node scripts/make-verify-json.js --root <export_folder> --extras <out_extras.json> --assets <out_assets.json>
+*/
+const fs = require('fs');
+const fsp = require('fs/promises');
+const path = require('path');
+
+function parseArgs(argv) {
+  const out = { root: '', extras: '', assets: '' };
+  for (let i = 2; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === '--root') out.root = argv[++i];
+    else if (a === '--extras') out.extras = argv[++i];
+    else if (a === '--assets') out.assets = argv[++i];
+  }
+  return out;
+}
+
+function toB64(buf) { return Buffer.from(buf).toString('base64'); }
+
+async function readFileB64(p) { const b = await fsp.readFile(p); return toB64(b); }
+
+async function walk(dir) {
+  const out = [];
+  const entries = await fsp.readdir(dir, { withFileTypes: true });
+  for (const ent of entries) {
+    const abs = path.join(dir, ent.name);
+    if (ent.isDirectory()) {
+      const sub = await walk(abs);
+      out.push(...sub);
+    } else if (ent.isFile()) {
+      out.push(abs);
+    }
+  }
+  return out;
+}
+
+(async () => {
+  try {
+    const { root, extras, assets } = parseArgs(process.argv);
+    if (!root || !extras || !assets) {
+      console.log('Usage: node scripts/make-verify-json.js --root <export_folder> --extras <out_extras.json> --assets <out_assets.json>');
+      process.exit(2);
+    }
+    const rootAbs = path.resolve(process.cwd(), root);
+    const files = await walk(rootAbs);
+    const norm = (p) => p.split(path.sep).join('/');
+    const rootNorm = norm(rootAbs).replace(/\/$/, '');
+    const rel = (p) => {
+      const pn = norm(p);
+      return pn.startsWith(rootNorm + '/') ? pn.slice(rootNorm.length + 1) : pn;
+    };
+
+    const extrasMap = {};
+    const assetsMap = {};
+
+    // integrity index
+    const idx = files.find((p) => rel(p) === 'assets.integrity.index.json');
+    if (idx) {
+      extrasMap['assets.integrity.index.json'] = await readFileB64(idx);
+    }
+
+    // assets/**/*
+    for (const abs of files) {
+      const r = rel(abs);
+      if (!r.startsWith('assets/')) continue;
+      const b64 = await readFileB64(abs);
+      assetsMap[r] = b64;
+    }
+
+    await fsp.mkdir(path.dirname(path.resolve(process.cwd(), extras)), { recursive: true });
+    await fsp.mkdir(path.dirname(path.resolve(process.cwd(), assets)), { recursive: true });
+    await fsp.writeFile(extras, JSON.stringify(extrasMap));
+    await fsp.writeFile(assets, JSON.stringify(assetsMap));
+    console.log(`Wrote ${extras} and ${assets}`);
+  } catch (e) {
+    console.error(e && e.stack || String(e));
+    process.exit(1);
+  }
+})();
@@ -0,0 +1,78 @@
+#!/usr/bin/env node
+/*
+  Verify bundle integrity using extras/assets JSON maps.
+  Usage: node scripts/verify.js --extras <extras.json> --assets <assets.json>
+*/
+const fs = require('fs/promises');
+const crypto = require('crypto');
+
+function parseArgs(argv) {
+  const out = { extras: '', assets: '' };
+  for (let i = 2; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === '--extras') out.extras = argv[++i];
+    else if (a === '--assets') out.assets = argv[++i];
+  }
+  return out;
+}
+
+function fromB64(b64) { return Buffer.from(b64, 'base64'); }
+function sha256b64(buf) { return crypto.createHash('sha256').update(buf).digest('base64'); }
+
+(async () => {
+  try {
+    const { extras, assets } = parseArgs(process.argv);
+    if (!extras || !assets) {
+      console.log('Usage: node scripts/verify.js --extras <extras.json> --assets <assets.json>');
+      process.exit(2);
+    }
+    const extrasJson = await fs.readFile(extras, 'utf-8');
+    const assetsJson = await fs.readFile(assets, 'utf-8');
+    const extrasMap = JSON.parse(extrasJson);
+    const assetsMap = JSON.parse(assetsJson);
+
+    const result = { ok: true, errors: [], summary: { total: 0, missing: 0, integrityMismatches: 0, sizeMismatches: 0, bundleHashMismatch: false } };
+
+    if (!Object.prototype.hasOwnProperty.call(extrasMap, 'assets.integrity.index.json')) {
+      result.ok = false; result.errors.push('Missing assets.integrity.index.json in extras');
+      console.log(JSON.stringify(result, null, 2)); process.exit(1);
+    }
+
+    let parsed;
+    try {
+      parsed = JSON.parse(fromB64(extrasMap['assets.integrity.index.json']).toString('utf-8'));
+    } catch {
+      result.ok = false; result.errors.push('Invalid assets.integrity.index.json JSON');
+      console.log(JSON.stringify(result, null, 2)); process.exit(1);
+    }
+
+    const recomputedLines = [];
+    let missing = 0, integrityMismatches = 0, sizeMismatches = 0;
+    for (const e of parsed.entries) {
+      const b64 = assetsMap[e.path];
+      if (!b64) { result.errors.push(`Missing asset for path in integrity index: ${e.path}`); missing++; continue; }
+      const buf = fromB64(b64);
+      if (typeof e.size === 'number' && e.size !== buf.length) {
+        result.errors.push(`Size mismatch for ${e.path}: expected ${e.size}, got ${buf.length}`); sizeMismatches++; }
+      const integ = 'sha256-' + sha256b64(buf);
+      if (integ !== e.integrity) { result.errors.push(`Integrity mismatch for ${e.path}`); integrityMismatches++; }
+      recomputedLines.push(e.path); recomputedLines.push(integ);
+    }
+    const bundle = 'sha256-' + sha256b64(Buffer.from(recomputedLines.join('\n'), 'utf-8'));
+    const bundleHashMismatch = bundle !== parsed.bundleHash;
+    if (bundleHashMismatch) result.errors.push('BundleHash mismatch');
+
+    result.summary.total = parsed.entries.length;
+    result.summary.missing = missing;
+    result.summary.integrityMismatches = integrityMismatches;
+    result.summary.sizeMismatches = sizeMismatches;
+    result.summary.bundleHashMismatch = bundleHashMismatch;
+    result.ok = result.errors.length === 0;
+
+    console.log(JSON.stringify(result, null, 2));
+    process.exit(result.ok ? 0 : 1);
+  } catch (e) {
+    console.error(e && e.stack || String(e));
+    process.exit(1);
+  }
+})();