added security headers

.gitlab/development-values.yaml

@@ -16,6 +16,11 @@ ingress:
   annotations:
     cert-manager.io/cluster-issuer: letsencrypt-prod
     nginx.ingress.kubernetes.io/configuration-snippet: |
+      more_set_headers "Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; script-src-elem; script-src-attr; style-src 'self' 'unsafe-inline'; style-src-elem; style-src-attr; img-src 'self'; font-src 'self'; connect-src 'self'; media-src; object-src; prefetch-src; child-src; frame-src 'self'; worker-src; frame-ancestors 'self' https://scripts.zdv.uni-mainz.de; form-action 'self'; base-uri; manifest-src; plugin-types; report-uri; report-to";
+      more_set_headers "X-Frame-Options: DENY";
+      more_set_headers "X-Content-Type-Options: nosniff";
+      more_set_headers "ReferrerPolicy: origin";
+      more_set_headers "X-XSS-Protection: 1; mode=block";
       if ($host = "www.metager3.de") {
           return 301 https://metager3.de$request_uri;
       }

.gitlab/production-values.yaml

@@ -23,6 +23,11 @@ ingress:
   annotations:
     cert-manager.io/cluster-issuer: letsencrypt-prod
     nginx.ingress.kubernetes.io/configuration-snippet: |
+      more_set_headers "Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; script-src-elem; script-src-attr; style-src 'self' 'unsafe-inline'; style-src-elem; style-src-attr; img-src 'self'; font-src 'self'; connect-src 'self'; media-src; object-src; prefetch-src; child-src; frame-src 'self'; worker-src; frame-ancestors 'self' https://scripts.zdv.uni-mainz.de; form-action 'self'; base-uri; manifest-src; plugin-types; report-uri; report-to";
+      more_set_headers "X-Frame-Options: DENY";
+      more_set_headers "X-Content-Type-Options: nosniff";
+      more_set_headers "ReferrerPolicy: origin";
+      more_set_headers "X-XSS-Protection: 1; mode=block";
       if ($host = "www.metager.de") {
           return 301 https://metager.de$request_uri;
       }

.gitlab/review-apps-values.yaml

@@ -6,9 +6,11 @@ ingress:
     kubernetes.io/tls-acme: "false"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
     nginx.ingress.kubernetes.io/configuration-snippet: |
-      more_set_headers: "Content-Security-Policy: \"default-src 'self' data:\"";
-      more_set_headers: "X-Content-Security-Policy: \"default-src 'self' data:\"";
-      more_set_headers: "X-WebKit-CSP: \"default-src 'self' data:\"";
+      more_set_headers "Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline'; script-src-elem; script-src-attr; style-src 'self' 'unsafe-inline'; style-src-elem; style-src-attr; img-src 'self'; font-src 'self'; connect-src 'self'; media-src; object-src; prefetch-src; child-src; frame-src 'self'; worker-src; frame-ancestors 'self' https://scripts.zdv.uni-mainz.de; form-action 'self'; base-uri; manifest-src; plugin-types; report-uri; report-to";
+      more_set_headers "X-Frame-Options: DENY";
+      more_set_headers "X-Content-Type-Options: nosniff";
+      more_set_headers "ReferrerPolicy: origin";
+      more_set_headers "X-XSS-Protection: 1; mode=block";
   tls: 
     enabled: false
 service: