Handle nulls in the header loop.

GeekInTheNorth · GeekInTheNorth · commit 65fd9d8d5e82 · 2026-06-02T23:02:18.000+01:00
diff --git a/src/Stott.Security.Optimizely/Features/Middleware/SecurityHeaderMiddleware.cs b/src/Stott.Security.Optimizely/Features/Middleware/SecurityHeaderMiddleware.cs
@@ -35,6 +35,11 @@ public async Task Invoke(
             var headers = await securityHeaderService.GetSecurityHeadersAsync(routeData, context.Request);
             foreach (var header in headers)
             {
+                if (header is null)
+                {
+                    continue;
+                }
+
                 if (header.IsRemoval)
                 {
                     HandleRemoval(context, header);

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,11 @@ public async Task Invoke(`
`35`	`35`	`var headers = await securityHeaderService.GetSecurityHeadersAsync(routeData, context.Request);`
`36`	`36`	`foreach (var header in headers)`
`37`	`37`	`{`
	`38`	`+ if (header is null)`
	`39`	`+ {`
	`40`	`+ continue;`
	`41`	`+ }`
	`42`	`+`
`38`	`43`	`if (header.IsRemoval)`
`39`	`44`	`{`
`40`	`45`	`HandleRemoval(context, header);`