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https://issues.apache.org/jira/browse/WICKET-6321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16423679#comment-16423679
 ] 

ASF GitHub Bot commented on WICKET-6321:
----------------------------------------

Github user svenmeier commented on a diff in the pull request:

    https://github.com/apache/wicket/pull/273#discussion_r178753738
  
    --- Diff: 
wicket-core/src/main/java/org/apache/wicket/markup/head/JavaScriptHeaderItem.java
 ---
    @@ -201,7 +202,13 @@ public static JavaScriptReferenceHeaderItem 
forReference(ResourceReference refer
        public static JavaScriptReferenceHeaderItem 
forReference(ResourceReference reference,
                PageParameters pageParameters, String id, boolean defer, String 
charset)
        {
    -           return new JavaScriptReferenceHeaderItem(reference, 
pageParameters, id, defer, charset, null);
    +                final JavaScriptReferenceHeaderItem 
javaScriptReferenceHeaderItem = new JavaScriptReferenceHeaderItem(reference, 
pageParameters, id, defer, charset, null);
    +                if(reference instanceof IntegrityAttributed) {
    --- End diff --
    
    Does a reference really need to be able to decide about integrity 
attributes? It can't change charset or defer either, why are integrity 
attributes treated differently?


> Support Integrity and Crossorigin attributes for 
> JavaScriptUrlReferenceHeaderItem 
> ----------------------------------------------------------------------------------
>
>                 Key: WICKET-6321
>                 URL: https://issues.apache.org/jira/browse/WICKET-6321
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 8.0.0-M3
>            Reporter: Mikhail Fursov
>            Priority: Major
>             Fix For: 8.0.0
>
>         Attachments: wicket-6321-20180306.diff, wicket-6321.diff
>
>
> Example of secure script reference:
> <script 
> src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js";
>  integrity="sha256-+kIbbrvS+0dNOjhmQJzmwe/RILR/8lb/+4+PUNVW09k=" 
> crossorigin="anonymous"></script>



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