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From "Jacques Le Roux (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OFBIZ-10307) Navigate from a domain to another with automated signed in authentication
Date Fri, 23 Mar 2018 08:32:00 GMT

    [ https://issues.apache.org/jira/browse/OFBIZ-10307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411005#comment-16411005

Jacques Le Roux commented on OFBIZ-10307:

The [^OFBIZ-10307-test.patch] can be used to test the feature with trunk demo.

> Navigate from a domain to another with automated signed in authentication
> -------------------------------------------------------------------------
>                 Key: OFBIZ-10307
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-10307
>             Project: OFBiz
>          Issue Type: New Feature
>          Components: framework
>    Affects Versions: Trunk
>            Reporter: Jacques Le Roux
>            Priority: Major
>             Fix For: Upcoming Branch
>         Attachments: OFBIZ-10307-test.patch, OFBIZ-10307.patch
> This will use a JWT Token authentication to get from one domain, where you are signed
in, to another domain where you get signed in automatically. Something like ExternalLoginKey
or Tomcat SSO, but not on the same domain.
> This will build upon the initial work done at OFBIZ-9833 which has been partially reverted
in trunk with r1827439 (see OFBIZ-10304) and r1827441. I explained why and what I did at https://s.apache.org/a5Km
> I turned to Ajax for the "Authorization" header sending. I initially thought I'd just
pass an "Authorization" header and use it in the externalServerLoginCheck preprocessor, et
> But I stumbled upon something I did not know well : CORS! And in particular the upstream
control (Pre-verified requests):
> https://en.wikipedia.org/wiki/Cross-origin_resource_sharing#Preflight_example
> https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS
> https://www.w3.org/TR/cors/
> To be able to pass an "Authorization" header, the server must respond positively in the
Preflight HTTP response (OPTIONS). To do this, either you use a Tomcat filter (or your own
filter, there are examples on the Net) or use HTTPD (or Nginx) configuration on the target
> I tried Tomcat first, without success. With HTTPD it's easier just 3 lines. For my tests,
future tests by OFBiz users and as an example, I asked infra to put them in our HTTPD trunk
demo config:
>     Header set Access-Control-Allow-Origin "https://localhost:8443"
>     Header set Access-Control-Allow-Headers "Authorization"
>     Header set Access-Control-Allow-Credentials "true"
> No code change (either in all web.xml files for Tomcat or Java for own filter), and more
safety. It does not give more right to outsiders than what we give with the admin credential.
> In Header set Access-Control-Allow-Origin you can put more domains. I just used https://localhost:8443
for the tests.
> It works in Chrome, Firefox and Opera and partially in IE11 (not tested in Edge). I did
not test Safari, but I guess like other modern browsers it should work.
> For those (very few I guess) interested by IE11 (for Edge test yourself and report please),
here is the solution
> https://stackoverflow.com/questions/12643960/internet-explorer-10-is-ignoring-xmlhttprequest-xhr-withcredentials-true
> https://web.archive.org/web/20130308142134/http://msdn.microsoft.com/en-us/library/ms537343%28v=vs.85%29.aspx
> https://blogs.msdn.microsoft.com/ieinternals/2013/09/17/a-quick-look-at-p3p/
> TODO (maybe) in the future, use the new Fetch API (not available yet): https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API

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