[jira] [Commented] (WICKET-6682) Improve JavaScriptContentHeaderItem and JavaScriptUtils to support nonce

["Maxim Solodovnik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-6682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16879624#comment-16879624 ] 

Maxim Solodovnik commented on WICKET-6682:
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Alternatively checksums can be created for inline scripts `Alternatively, you can create hashes from your inline scripts. CSP supports sha256, sha384 and sha512.`
Not sure yet how this can be used :(

> Improve JavaScriptContentHeaderItem and JavaScriptUtils to support nonce
> ------------------------------------------------------------------------
>
>                 Key: WICKET-6682
>                 URL: https://issues.apache.org/jira/browse/WICKET-6682
>             Project: Wicket
>          Issue Type: Improvement
>            Reporter: Andrew Kondratev
>            Priority: Major
>              Labels: security
>
> One of easy wins for content security policy would be a support of _nonce_ for inline JavaScript header injections.
> [https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src#Unsafe_inline_script]
> *Criteria*
>  * Set up some kind of request unique nonce provider
>  * Make it possible for JavaScript header items to have provided nonce
>  * Add provided nonce to the `Content-Security-Policy: script-src` header
> See in code:
> org.apache.wicket.core.util.string.JavaScriptUtils#writeOpenTag
> org.apache.wicket.markup.head.JavaScriptContentHeaderItem#render



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