rede5/gohorsejobs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix(backend): relax CSP for Swagger UI docs

Browse source 
- Allow 'unsafe-inline' and 'unsafe-eval' scripts on /docs routes
- Swagger UI requires inline scripts to function properly
- Keep strict CSP for all other API routes
This commit is contained in:
Tiago Yamamoto 2025-12-14 09:04:19 -03:00
parent dc2142499b
commit 15fe5db50e
1 changed files with 17 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
backend/internal/middleware/security_headers.go
View file

@ -1,13 +1,20 @@
package middleware package middleware
import "net/http" import (
"net/http"
"strings"
)
// SecurityHeadersMiddleware adds essential security headers to all responses // SecurityHeadersMiddleware adds essential security headers to all responses
// Based on OWASP guidelines // Based on OWASP guidelines
func SecurityHeadersMiddleware(next http.Handler) http.Handler { func SecurityHeadersMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Prevent clickjacking // Prevent clickjacking (allow framing for Swagger UI)
if strings.HasPrefix(r.URL.Path, "/docs") {
w.Header().Set("X-Frame-Options", "SAMEORIGIN")
} else {
w.Header().Set("X-Frame-Options", "DENY") w.Header().Set("X-Frame-Options", "DENY")
}
// Prevent MIME sniffing // Prevent MIME sniffing
w.Header().Set("X-Content-Type-Options", "nosniff") w.Header().Set("X-Content-Type-Options", "nosniff")
@ -21,8 +28,13 @@ func SecurityHeadersMiddleware(next http.Handler) http.Handler {
// Permissions policy (disable potentially dangerous features) // Permissions policy (disable potentially dangerous features)
w.Header().Set("Permissions-Policy", "geolocation=(), microphone=(), camera=()") w.Header().Set("Permissions-Policy", "geolocation=(), microphone=(), camera=()")
// Content Security Policy - adjust as needed for your frontend // Content Security Policy - relaxed for Swagger UI docs
if strings.HasPrefix(r.URL.Path, "/docs") {
// Swagger UI needs unsafe-inline and unsafe-eval for its scripts
w.Header().Set("Content-Security-Policy", "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:")
} else {
w.Header().Set("Content-Security-Policy", "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'") w.Header().Set("Content-Security-Policy", "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'")
}
// HSTS - uncomment in production with HTTPS // HSTS - uncomment in production with HTTPS
// w.Header().Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains") // w.Header().Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains")