feat(middleware): Add secure headers middleware

Scalingo · Feb 16, 2023 · 103b8ed · 103b8ed
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## To be Released
 
 * feat(middleware): add a middleware to reject HTTP request
+* feat(middleware): Add secure headers middleware
 
 ## v1.7.0
 

diff --git a/secure_headers_middleware.go b/secure_headers_middleware.go
@@ -0,0 +1,15 @@
+package handlers
+
+import (
+	"net/http"
+)
+
+// Source: https://cheatsheetseries.owasp.org/cheatsheets/REST_Security_Cheat_Sheet.html#security-headers
+func SecureHeadersMiddleware(next HandlerFunc) HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request, vars map[string]string) error {
+		w.Header().Set("Content-Security-Policy", "frame-ancestors 'none'")
+		w.Header().Set("X-Content-Type-Options", "nosniff")
+		w.Header().Set("X-Frame-Options", "DENY")
+		return next(w, r, vars)
+	}
+}