524 lines
12 KiB
Markdown
524 lines
12 KiB
Markdown
# Copper Tone Technologies - Comprehensive Security & Code Audit Report
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**Date:** November 21, 2025
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**Auditor:** Claude Code
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**Version:** 1.0
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---
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## Executive Summary
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This audit covers the Copper Tone Technologies platform, a Vue 3 PWA frontend with Go microservices backend. The platform includes authentication, work management, payment processing, and blog services.
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### Overall Risk Assessment: **MEDIUM**
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| Category | Status | Risk Level |
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|----------|--------|------------|
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| Dependencies | PASS | LOW |
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| Authentication | PASS | LOW |
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| Authorization | PASS | LOW |
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| SQL Injection | PASS | LOW |
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| XSS Prevention | PASS | LOW |
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| CORS Configuration | WARN | MEDIUM |
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| Container Security | PASS | LOW |
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| Secret Management | WARN | MEDIUM |
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| PWA Functionality | FAIL | LOW |
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| Input Validation | WARN | MEDIUM |
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| Rate Limiting | FAIL | MEDIUM |
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| Security Headers | WARN | MEDIUM |
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---
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## Section 1: Dependency Vulnerabilities
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### 1.1 Frontend (npm)
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**Status:** PASS
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```
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npm audit --omit=dev
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found 0 vulnerabilities
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```
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**Dependencies:**
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- Vue 3.5.22 - Current
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- Vue Router 4.6.3 - Current
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- Pinia 3.0.3 - Current
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- DOMPurify 3.2.3 - Current (XSS protection)
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- Vite 7.1.11 - Current
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### 1.2 Backend (Go)
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**Status:** PASS
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```
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go mod verify
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all modules verified
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```
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**Dependencies:**
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- go-ethereum v1.14.12 - Blockchain integration
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- golang-jwt/jwt v5.3.0 - JWT handling
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- lib/pq v1.10.9 - PostgreSQL driver
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- golang.org/x/crypto v0.30.0 - Cryptography
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---
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## Section 2: Authentication & Authorization
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### 2.1 JWT Implementation
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**Status:** PASS
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**Positive Findings:**
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- JWT secret minimum length enforced (32 characters)
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- Warning logged for secrets < 64 characters
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- Using HS256 signing algorithm
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- Token expiration set (24 hours)
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**Code Reference:** `backend/functions/auth-service/main.go:136-146`
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```go
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if len(jwtSecret) < 32 {
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log.Fatal("JWT_SECRET must be at least 32 characters for security")
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}
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```
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**Recommendation:** Consider using RS256 (asymmetric) for production environments.
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### 2.2 Password Security
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**Status:** PASS
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**Positive Findings:**
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- Using bcrypt for password hashing
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- Using bcrypt.DefaultCost (10 rounds)
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**Code Reference:** `backend/functions/auth-service/main.go:261`
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```go
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passwordHash, err := bcrypt.GenerateFromPassword([]byte(req.Password), bcrypt.DefaultCost)
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```
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**Recommendation:** Consider bcrypt cost of 12+ for higher security.
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### 2.3 Role-Based Access Control (RBAC)
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**Status:** PASS
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**Implemented Roles:**
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- `ADMIN` - Full system access
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- `STAFF` - Internal operations
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- `CLIENT` - Customer access
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**Protected Routes:**
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```go
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// Admin only routes
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http.HandleFunc("/admin/users", authenticate(requireRole(handleGetAllUsers, "ADMIN")))
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http.HandleFunc("/admin/users/promote-role", authenticate(requireRole(handlePromoteUserRole, "ADMIN")))
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http.HandleFunc("/admin/users/demote-role", authenticate(requireRole(handleDemoteUserRole, "ADMIN")))
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```
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**Security Features:**
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- First user auto-promoted to ADMIN
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- Public registration restricted to CLIENT role
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- Self-demotion prevention for ADMIN role
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- Minimum one role requirement
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### 2.4 Blockchain Authentication
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**Status:** PASS
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**Implementation:**
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- Ethereum signature verification
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- Message signing for authentication
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- Address normalization
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**Code Reference:** `backend/functions/auth-service/main.go:779-809`
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---
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## Section 3: SQL Injection Prevention
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### 3.1 Parameterized Queries
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**Status:** PASS
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**Finding:** All database queries use parameterized statements with `$1`, `$2`, etc.
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**Example (Safe):**
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```go
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err = tx.QueryRow(
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"INSERT INTO users (name, email, created_at) VALUES ($1, $2, NOW()) RETURNING id",
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req.Name, req.Email,
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).Scan(&userID)
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```
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**No instances of string concatenation in SQL queries found.**
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---
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## Section 4: Cross-Site Scripting (XSS) Prevention
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### 4.1 Frontend XSS Protection
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**Status:** PASS
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**Measures:**
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- DOMPurify v3.2.3 installed for HTML sanitization
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- Vue's default template escaping active
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- Limited use of `v-html` directive
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**v-html Usage Found:**
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- `ArticleDetailView.vue` - Blog content (sanitized)
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- `ServiceDetailView.vue` - Service descriptions (sanitized)
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**Recommendation:** Ensure all `v-html` content passes through DOMPurify.
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---
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## Section 5: CORS Configuration
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### 5.1 Current Configuration
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**Status:** WARNING
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**Issue:** CORS allows all origins by default
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```yaml
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CORS_ALLOW_ORIGIN: ${CORS_ALLOW_ORIGIN:-*}
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```
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**Risk:** Cross-origin requests from any domain accepted.
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**Recommendation:**
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```yaml
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# Production
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CORS_ALLOW_ORIGIN: https://coppertone.tech
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```
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---
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## Section 6: Container Security
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### 6.1 Running Containers
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**Status:** PASS
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| Service | Port | Status |
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|---------|------|--------|
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| frontend | 8090 | Running |
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| auth-service | 8082 | Running |
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| work-management-service | 8083 | Running |
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| payment-service | 8084 | Running |
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| blog-service | 8085 | Running |
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| db (PostgreSQL) | Internal | Running |
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### 6.2 Container User Privileges
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**Status:** PASS
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**Auth Service Container:**
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```dockerfile
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RUN addgroup -g 1000 appuser && adduser -D -u 1000 -G appuser appuser
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USER appuser
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```
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**Finding:** Backend services run as non-root user.
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### 6.3 Database Exposure
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**Status:** PASS
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**Finding:** PostgreSQL port (5432) not exposed externally.
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```yaml
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# ports:
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# - "5432:5432" # Commented out
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```
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---
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## Section 7: Secret Management
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### 7.1 Environment Variables
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**Status:** WARNING
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**Current Configuration (podman-compose.yml):**
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```yaml
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JWT_SECRET: ${JWT_SECRET:-dev_jwt_secret_key_change_me_in_production_at_least_64_characters_long}
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DB_PASSWORD: ${DB_PASSWORD:-password}
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STRIPE_SECRET_KEY: ${STRIPE_SECRET_KEY:-sk_test_placeholder}
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```
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**Issues:**
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1. Default JWT secret in compose file
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2. Default database password ("password")
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3. Placeholder Stripe keys
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**Recommendation:**
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- Use `.env` file (not committed to git)
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- Use secrets management (HashiCorp Vault, Docker secrets)
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- Never use defaults in production
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### 7.2 Git Secret Exposure
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**Status:** PASS
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**Finding:** No secrets found committed to repository.
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- No `.env` files in git
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- No private keys in repository
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---
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## Section 8: HTTP Security Headers
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### 8.1 Missing Headers
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**Status:** WARNING
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**Missing Headers:**
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- `Strict-Transport-Security` (HSTS)
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- `Content-Security-Policy` (CSP)
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- `X-Frame-Options`
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- `X-Content-Type-Options`
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- `X-XSS-Protection` (deprecated but harmless)
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**Recommendation:** Add to nginx.conf:
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```nginx
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add_header X-Frame-Options "SAMEORIGIN" always;
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add_header X-Content-Type-Options "nosniff" always;
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add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
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add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';" always;
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```
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---
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## Section 9: Rate Limiting
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### 9.1 Authentication Endpoints
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**Status:** FAIL
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**Finding:** No rate limiting on authentication endpoints.
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**Risk:** Brute force attacks on login endpoints.
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**Affected Endpoints:**
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- `/login-email-password`
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- `/login-blockchain`
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- `/register-email-password`
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- `/register-blockchain`
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**Recommendation:** Implement rate limiting:
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```go
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// Using golang.org/x/time/rate
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limiter := rate.NewLimiter(rate.Every(time.Second), 5) // 5 requests/second
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```
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---
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## Section 10: Input Validation
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### 10.1 Backend Validation
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**Status:** WARNING
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**Current Validation:**
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- Empty field checks for registration
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- Role validation (CLIENT, STAFF, ADMIN)
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**Missing Validation:**
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- Email format validation
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- Password complexity requirements
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- Input length limits
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**Recommendation:**
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```go
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// Email validation
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emailRegex := regexp.MustCompile(`^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`)
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if !emailRegex.MatchString(req.Email) {
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http.Error(w, "Invalid email format", http.StatusBadRequest)
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return
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}
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// Password requirements
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if len(req.Password) < 8 {
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http.Error(w, "Password must be at least 8 characters", http.StatusBadRequest)
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return
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}
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```
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---
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## Section 11: Database Security
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### 11.1 SSL/TLS Connection
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**Status:** WARNING (Development)
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**Current Setting:**
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```yaml
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DB_SSL_MODE: ${DB_SSL_MODE:-disable}
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```
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**Finding:** SSL disabled for development. Code properly enforces SSL by default.
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**Code Reference:** `backend/functions/auth-service/main.go:164-184`
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```go
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if sslMode == "" {
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sslMode = "require"
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log.Println("WARNING: DB_SSL_MODE not set, defaulting to 'require' for security")
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}
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```
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---
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## Section 12: PWA Functionality
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### 12.1 Install Prompt
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**Status:** FAIL
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**Issue:** PWA install button not appearing in browser.
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**Root Cause:** Icon files are placeholder files (203-206 bytes), not valid images.
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```
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-rw-r--r-- 203 android-chrome-192x192.png # Too small - placeholder
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-rw-r--r-- 206 android-chrome-512x512.png # Too small - placeholder
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```
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**Requirements for PWA Install:**
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1. Valid manifest.json (PASS)
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2. Service worker registered (PASS)
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3. Valid icons 192x192 and 512x512 (FAIL)
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4. HTTPS or localhost (PASS)
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**Fix Required:** Generate proper PNG icons at 192x192 and 512x512 pixels.
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---
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## Section 13: Frontend Code Quality
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### 13.1 Null Safety Issues
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**Status:** FIXED (This Session)
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**Fixed Files:**
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- `ProjectsView.vue` - Added computed with null coalescing
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- `InvoicesView.vue` - Added array fallbacks
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- `stores/projects.ts` - Array validation on API response
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- `stores/tasks.ts` - Array validation on API response
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- `stores/invoices.ts` - Array validation on API response
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### 13.2 Service Worker Caching
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**Status:** FIXED (This Session)
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**Issue:** Old cached JavaScript files causing errors.
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**Fix Applied:**
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- Updated cache version to v2
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- Implemented network-first strategy for assets
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- Added skipWaiting() and clients.claim()
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---
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## Section 14: Backend Code Quality
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### 14.1 Go Vet
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**Status:** PASS
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```
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go vet ./...
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# No issues found
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```
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### 14.2 Server Timeouts
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**Status:** PASS
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**Implemented Timeouts:**
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```go
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server := &http.Server{
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ReadHeaderTimeout: 10 * time.Second,
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ReadTimeout: 15 * time.Second,
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WriteTimeout: 15 * time.Second,
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IdleTimeout: 60 * time.Second,
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}
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```
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### 14.3 Audit Logging
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**Status:** PASS
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**Finding:** Role changes logged with audit trail.
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```go
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log.Printf("AUDIT: Admin user %d granted %s role to user %d (%s)",
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adminUserID, req.Role, req.UserID, userName)
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```
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---
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## Section 15: Functionality Status
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### 15.1 Implemented Features
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| Feature | Status | Notes |
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|---------|--------|-------|
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| Email/Password Auth | COMPLETE | |
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| Blockchain Auth | COMPLETE | Ethereum signatures |
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| Multi-Identity | COMPLETE | Link multiple auth methods |
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| Role Management | COMPLETE | Promote/demote users |
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| Admin Dashboard | COMPLETE | User management |
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| Staff Dashboard | COMPLETE | Kanban task board |
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| Client Dashboard | PARTIAL | Basic stats only |
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| Projects CRUD | COMPLETE | API ready |
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| Tasks CRUD | COMPLETE | API ready |
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| Invoices CRUD | COMPLETE | API ready |
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| Payments (Stripe) | PARTIAL | Integration started |
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| Digital Business Card | COMPLETE | QR, vCard, share |
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| Blog | COMPLETE | Markdown rendering |
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| PWA | BROKEN | Missing icons |
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### 15.2 Missing/Incomplete Features
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1. **Client Dashboard** - Needs project detail views
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2. **Payment Processing** - Stripe webhooks incomplete
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3. **IPFS Integration** - Planned but not implemented
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4. **Matrix Messaging** - Planned but not implemented
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5. **Email Notifications** - Not implemented
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---
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## Recommendations Summary
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### Critical (Fix Immediately)
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1. Generate valid PWA icons (192x192 and 512x512 PNG)
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2. Set strong JWT_SECRET in production
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3. Change default database password
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### High Priority
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4. Implement rate limiting on auth endpoints
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5. Add security headers to nginx
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6. Restrict CORS to specific origins in production
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7. Enable database SSL in production
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### Medium Priority
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8. Add email format validation
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9. Implement password complexity requirements
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10. Increase bcrypt cost to 12
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11. Complete Client Dashboard
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12. Add comprehensive input validation
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### Low Priority
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13. Consider RS256 JWT signing
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14. Add E2E tests for critical flows
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15. Implement refresh tokens
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16. Add request logging/monitoring
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---
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## Appendix A: Audit Script
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An automated audit script has been created at:
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```
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scripts/audit.sh
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```
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Run with:
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```bash
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./scripts/audit.sh
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```
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---
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## Appendix B: Files Modified This Session
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1. `frontend/src/stores/projects.ts` - Null safety
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2. `frontend/src/stores/tasks.ts` - Null safety
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3. `frontend/src/stores/invoices.ts` - Null safety
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4. `frontend/src/views/ProjectsView.vue` - Computed property fix
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5. `frontend/src/views/InvoicesView.vue` - Array fallbacks
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6. `frontend/public/service-worker.js` - Cache strategy update
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7. `backend/functions/auth-service/main.go` - Admin endpoints
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---
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**End of Audit Report**
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