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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2016/06/16 09:18:05 UTC
[jira] [Resolved] (HTTPCLIENT-1748) When run in java applet,
SystemDefaultCredentialsProvider fails to get authentication from
Authenticator
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPCLIENT-1748.
-------------------------------------------
Resolution: Cannot Reproduce
> When run in java applet, SystemDefaultCredentialsProvider fails to get authentication from Authenticator
> --------------------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-1748
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1748
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.5
> Environment: Windows, application running in a java applet started by firefox, connection to a remote server via a squid proxy with basic authentication
> Reporter: Sébastien Caille
> Priority: Trivial
>
> Hello,
> The java applets are deprecated, but the issue may impact other use cases.
> During a POST call made from a java applet via a proxy server with basic authentication, SystemDefaultCredentialsProvider.getSystemCreds(...) calls Authenticator.requestPasswordAuthentication, which wrongly returns "null" authentication.
> The java applet console shows that a NullPointerException was ignored.
> I managed to fix the issue by providing the following values to Authenticator.requestPasswordAuthentication (getSystemCreds is currently providing null for those ones ):
> prompt = authscope.getRealm()
> url = context.getAttribute(HttpClientContext.HTTP_TARGET_HOST)
> Both values are needed ( prompt == null && url != null -> dialog box asking for credentials, prompt != null && url == null -> crashes firefox)
> Note that when downloading the applet jar files, the java is providing values for all the parameters of Authenticator.requestPasswordAuthentication (according to a breakpoint in requestPasswordAuthentication).
> Thanks
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