feat: add plugin/theme harness and admin dashboard

Plugin & Theme System: - Add plugin type definitions, permissions (30+), and validation constants - Add IndexedDB storage layer for plugin code, theme CSS, and previews - Add theme CSS sanitization, injection, and safety validation - Add HookBus event system with 130+ hooks across 20 domains - Add plugin ZIP extraction and manifest validation with JS security checks - Add sandboxed PluginAPI factory with scoped storage, logging, and permission gating - Add plugin loader with blob URL dynamic import and auto-disable circuit breaker - Add 3 built-in themes (Nord, Catppuccin, Solarized) - Add Zustand plugin store with install/uninstall/enable/disable lifecycle - Add PluginSlot, PluginSlotRenderer, and PluginErrorBoundary components - Add plugins and themes settings UI panels - Integrate plugin slots into email viewer, composer, navigation rail, sidebar, and context menu - Extend theme store with custom theme installation and activation Admin Dashboard: - Add admin authentication with scrypt password hashing and AES-256-GCM sessions - Add rate-limited login (5 attempts/15min per IP) - Add config manager with admin override > env var > default priority - Add settings policy system with feature gates and per-setting restrictions - Add audit logging with rotation - Add admin API routes (login, logout, config, policy, audit, password change) - Add admin UI pages (login, dashboard, config, policy, audit) - Add policy store for client-side feature gate enforcement - Wire admin password initialization into server instrumentation Tests: - Add 139 tests across 10 test files covering all plugin/theme modules
2026-03-25 00:44:03 +01:00
parent 78bcf8db1b
commit 76b21147e4
63 changed files with 7894 additions and 67 deletions
@@ -0,0 +1,66 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { readFile, stat } from 'node:fs/promises';
+import path from 'node:path';
+
+const BRANDING_DIR = path.join(process.cwd(), 'data', 'admin', 'branding');
+
+const MIME_TYPES: Record<string, string> = {
+  '.svg': 'image/svg+xml',
+  '.png': 'image/png',
+  '.jpg': 'image/jpeg',
+  '.jpeg': 'image/jpeg',
+  '.webp': 'image/webp',
+  '.ico': 'image/x-icon',
+};
+
+/**
+ * GET /api/admin/branding/[filename] — Serve uploaded branding images
+ *
+ * This endpoint is public (no admin auth) so browsers can load images.
+ * Only files in the branding directory are served; directory traversal is prevented.
+ */
+export async function GET(
+  _request: NextRequest,
+  { params }: { params: Promise<{ filename: string }> },
+) {
+  try {
+    const { filename } = await params;
+
+    // Sanitize: only allow basename, no path separators
+    const safe = path.basename(filename);
+    if (safe !== filename || filename.includes('..')) {
+      return NextResponse.json({ error: 'Invalid filename' }, { status: 400 });
+    }
+
+    const ext = path.extname(safe).toLowerCase();
+    const contentType = MIME_TYPES[ext];
+    if (!contentType) {
+      return NextResponse.json({ error: 'Unsupported file type' }, { status: 400 });
+    }
+
+    const filePath = path.join(BRANDING_DIR, safe);
+
+    // Ensure resolved path is still within BRANDING_DIR
+    const resolved = path.resolve(filePath);
+    if (!resolved.startsWith(path.resolve(BRANDING_DIR))) {
+      return NextResponse.json({ error: 'Invalid filename' }, { status: 400 });
+    }
+
+    const fileStat = await stat(resolved).catch(() => null);
+    if (!fileStat || !fileStat.isFile()) {
+      return NextResponse.json({ error: 'Not found' }, { status: 404 });
+    }
+
+    const buffer = await readFile(resolved);
+
+    return new NextResponse(buffer, {
+      headers: {
+        'Content-Type': contentType,
+        'Cache-Control': 'public, max-age=3600, must-revalidate',
+        'Content-Length': String(buffer.length),
+      },
+    });
+  } catch {
+    return NextResponse.json({ error: 'Not found' }, { status: 404 });
+  }
+}