Fix NPE in Kotlin docs example

sjohnr · sjohnr · commit 80845d0c9a1d · 2024-03-26T12:18:06.000-05:00
Closes gh-14634
diff --git a/docs/modules/ROOT/pages/servlet/exploits/csrf.adoc b/docs/modules/ROOT/pages/servlet/exploits/csrf.adoc
@@ -876,7 +876,7 @@ class SpaCsrfTokenRequestHandler : CsrfTokenRequestAttributeHandler() {
         delegate.handle(request, response, csrfToken)
     }
 
-    override fun resolveCsrfTokenValue(request: HttpServletRequest, csrfToken: CsrfToken): String {
+    override fun resolveCsrfTokenValue(request: HttpServletRequest, csrfToken: CsrfToken): String? {
         /*
          * If the request contains a request header, use CsrfTokenRequestAttributeHandler
          * to resolve the CsrfToken. This applies when a single-page application includes

Original file line number	Diff line number	Diff line change
`@@ -876,7 +876,7 @@ class SpaCsrfTokenRequestHandler : CsrfTokenRequestAttributeHandler() {`
`876`	`876`	`delegate.handle(request, response, csrfToken)`
`877`	`877`	`}`
`878`	`878`
`879`		`- override fun resolveCsrfTokenValue(request: HttpServletRequest, csrfToken: CsrfToken): String {`
	`879`	`+ override fun resolveCsrfTokenValue(request: HttpServletRequest, csrfToken: CsrfToken): String? {`
`880`	`880`	`/*`
`881`	`881`	`* If the request contains a request header, use CsrfTokenRequestAttributeHandler`
`882`	`882`	`* to resolve the CsrfToken. This applies when a single-page application includes`