mirror of
https://github.com/syntrex-lab/gomcp.git
synced 2026-04-26 12:56:21 +02:00
4ce94e9c77
C1: Remove verification_code_dev from API response (CVSS 9.8)
- Code now logged server-side only when email service not configured
C2: Tenant isolation on /api/auth/users (CVSS 9.1)
- HandleListUsers filters by claims.TenantID
- TenantID added to User struct, DB migration, persistUser, loadFromDB
C3: Include TenantID in JWT tokens (CVSS 8.8)
- Login handler now uses Sign() with full Claims including TenantID
- Enables downstream RBAC tenant filtering
M1: nginx server_tokens off (hide version fingerprint)
M2: syntrex.pro added to server_name
M3: CORS multi-origin support (SOC_CORS_ORIGIN=origin1,origin2)
89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
package httpserver
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import (
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"net/http"
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"os"
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"strings"
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)
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// corsAllowedOrigins returns the configured CORS origins.
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// Set SOC_CORS_ORIGIN in production (e.g. "https://syntrex.pro,https://xn--80akacl3adqr.xn--p1acf").
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// Defaults to "*" for local development.
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func corsAllowedOrigins() []string {
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if v := os.Getenv("SOC_CORS_ORIGIN"); v != "" {
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parts := strings.Split(v, ",")
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for i := range parts {
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parts[i] = strings.TrimSpace(parts[i])
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}
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return parts
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}
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return []string{"*"}
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}
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// corsMiddleware adds CORS headers with configurable origin.
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// Production: set SOC_CORS_ORIGIN=https://syntrex.pro,https://xn--80akacl3adqr.xn--p1acf
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func corsMiddleware(next http.Handler) http.Handler {
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origins := corsAllowedOrigins()
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allowAll := len(origins) == 1 && origins[0] == "*"
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allowedSet := make(map[string]bool, len(origins))
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for _, o := range origins {
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allowedSet[o] = true
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}
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if allowAll {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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} else {
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reqOrigin := r.Header.Get("Origin")
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if allowedSet[reqOrigin] {
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w.Header().Set("Access-Control-Allow-Origin", reqOrigin)
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w.Header().Set("Vary", "Origin")
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}
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}
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization, X-API-Key")
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w.Header().Set("Access-Control-Allow-Credentials", "true")
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w.Header().Set("Access-Control-Max-Age", "86400")
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// Handle preflight
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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// securityHeadersMiddleware adds defense-in-depth headers to all responses.
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// Mitigates XSS, clickjacking, MIME sniffing, and information leak vectors.
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func securityHeadersMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Prevent MIME type sniffing (IE/Chrome auto-exec attacks)
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w.Header().Set("X-Content-Type-Options", "nosniff")
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// Block iframe embedding (clickjacking defense)
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w.Header().Set("X-Frame-Options", "DENY")
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// XSS filter (legacy browsers)
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w.Header().Set("X-XSS-Protection", "1; mode=block")
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// Referrer leak prevention (no full URL in Referer header)
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w.Header().Set("Referrer-Policy", "strict-origin-when-cross-origin")
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// Content Security Policy — API only, no inline scripts
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w.Header().Set("Content-Security-Policy", "default-src 'none'; frame-ancestors 'none'")
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// Permissions Policy — deny all sensitive browser APIs
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w.Header().Set("Permissions-Policy", "camera=(), microphone=(), geolocation=(), interest-cohort=()")
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// Force HTTPS in production (1 year, include subdomains)
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w.Header().Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains")
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// Hide server identity
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w.Header().Set("X-Powered-By", "")
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w.Header().Del("Server")
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next.ServeHTTP(w, r)
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})
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}
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