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security: comprehensive security audit and remediation (20 fixes)

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CRITICAL fixes:
- Restrict X-View-Tenant impersonation to global admin only (was any admin)
- Add authorization to subscription endpoints (was open to any user)
- Make webhook signature verification mandatory (was skippable)
- Remove databaseName from JWT payload (resolve server-side with cache)
- Reduce body size limit from 1GB to 10MB (50MB for bulk CFDI)
- Restrict .env file permissions to 600

HIGH fixes:
- Add authorization to SAT cron endpoints (global admin only)
- Add Content-Security-Policy and Permissions-Policy headers
- Centralize isGlobalAdmin() utility with caching
- Add rate limiting on auth endpoints (express-rate-limit)
- Require authentication on logout endpoint

MEDIUM fixes:
- Replace Math.random() with crypto.randomBytes for temp passwords
- Remove console.log of temporary passwords in production
- Remove DB credentials from admin notification email
- Add escapeHtml() to email templates (prevent HTML injection)
- Add file size validation on FIEL upload (50KB max)
- Require TLS for SMTP connections
- Normalize email to lowercase before uniqueness check
- Remove hardcoded default for FIEL_ENCRYPTION_KEY

Also includes:
- Complete production deployment documentation
- API reference documentation
- Security audit report with remediation details
- Updated README with v0.5.0 changelog
- New client admin email template
- Utility scripts (create-carlos, test-emails)
- PM2 ecosystem config updates

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Consultoria AS
2026-03-18 22:32:04 +00:00
parent 38626bd3e6
commit 351b14a78c
31 changed files with 1287 additions and 103 deletions
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15
deploy/nginx/horux360.conf
View File

@@ -14,17 +14,17 @@ upstream horux_web {
# Redirect HTTP to HTTPS
server {
listen 80;
server_name horux360.consultoria-as.com;
server_name horuxfin.com;
return 301 https://$host$request_uri;
}
server {
listen 443 ssl http2;
server_name horux360.consultoria-as.com;
server_name horuxfin.com;
# SSL (managed by Certbot)
ssl_certificate /etc/letsencrypt/live/horux360.consultoria-as.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/horux360.consultoria-as.com/privkey.pem;
ssl_certificate /etc/letsencrypt/live/horuxfin.com-0001/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/horuxfin.com-0001/privkey.pem;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers on;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
@@ -32,12 +32,13 @@ server {
# Security headers
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header Referrer-Policy "strict-origin-when-cross-origin" always;
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; connect-src 'self' https://horuxfin.com; frame-ancestors 'self';" always;
# Max body size for XML uploads
client_max_body_size 1G;
# Max body size (50MB for bulk CFDI uploads)
client_max_body_size 50M;
# Auth endpoints (stricter rate limiting)
location /api/auth/ {