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https://issues.apache.org/jira/browse/OFBIZ-11306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031794#comment-17031794
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Jacques Le Roux commented on OFBIZ-11306:
-----------------------------------------
Of course I'll continue to work on the issue related to REST requests...
> POC for CSRF Token
> ------------------
>
> Key: OFBIZ-11306
> URL: https://issues.apache.org/jira/browse/OFBIZ-11306
> Project: OFBiz
> Issue Type: Improvement
> Components: ALL APPLICATIONS
> Affects Versions: Upcoming Branch
> Reporter: James Yong
> Assignee: Jacques Le Roux
> Priority: Minor
> Labels: CSRF
> Fix For: Upcoming Branch
>
> Attachments: CsrfTokenAjaxTransform.java, CsrfTokenTransform.java,
> CsrfUtil.java, OFBIZ-11306-v2.patch, OFBIZ-11306.patch, OFBIZ-11306.patch,
> OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch,
> OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch,
> OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch, OFBIZ-11306.patch,
> OFBIZ-11306_Plugins.patch, OFBIZ-11306_Plugins.patch,
> OFBIZ-11306_Plugins.patch, OFBIZ-11306_Plugins.patch,
> OFBIZ-11306_Plugins.patch
>
>
> CRSF tokens are generated using SecureRandom class (maybe later a JWT with a
> "time out").
> They are stored in the user sessions (for AJAX calls and unauthenticated HTTP
> calls) or OFBiz UtilCache (for authenticated HTTP calls), and verified during
> POST request.
> # In *controllers* a new csrf-token attribute is added to the security tag to
> exempt or force CSRF token check.
> # In *Widget Forms* a hidden token field is auto-generated.
> # In *FTL form* a CSRF token is passed through <@ofbizUrl> to automatise the
> change. Using <@ofbizUrl> macro to generate the CSRF token means there is no
> need to manually add the CSRF token field to each form in the ftl files. It
> will save time for users doing custom implementation and maintenance. While
> there is CSRF token in the form URL, the token is invalidated during form
> submission. So it's uniqueand harmless even though the CSRF token of the form
> submission is shown in the browser address bar.
> # For *Ajax calls* an ajaxPrefilter function (observer on DOM ready) is added
> through OfbizUtil.js (itself called at start in decorators and such)
> # The html metadata is storing the csrf token used by JQuery AJAX. This token
> will not change to another value after it is consumed
> # Csrf tokens for the user are removed from the UtilCache when the user logs
> out or session invalidated.
> The general rule are as follows:
> * RequestMap configured with 'get' method will be exempted from CSRF token
> check.
> * RequestMap configured with 'post' or 'all' method will be subjected to CSRF
> token check. (Note there are discussions that RequestMap with ‘all’ method
> should also not be subjected to CSRF token check. This will be done after
> ensuring a separate uri is used when posting changes.)
> * "main" request URIs are exempted from CSRF token check.
> * Setting csrf-token to false or true on the Request Map will override the
> general rules above.
> To implement:
> * -Allow token map size to be configurable in properties.- OK that's done
> locally
> To Discuss:
> * Invalidate authenticated user session when CSRF token check fails.
> * Configure the general rules in a Service method (which will be run inside
> the constructor of RequestMap class) when determining the final
> securityCsrfToken value.
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