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Posted to dev@hc.apache.org by "Gary Gregory (JIRA)" <ji...@apache.org> on 2018/03/09 15:41:00 UTC
[jira] [Resolved] (HTTPCORE-517) Allow SecurityManager to stop
socket connections
[ https://issues.apache.org/jira/browse/HTTPCORE-517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Gregory resolved HTTPCORE-517.
-----------------------------------
Resolution: Fixed
Resolved in git {{master}} for the upcoming 5.0 and in 4.4.x for the upcoming 4.4.10.
> Allow SecurityManager to stop socket connections
> ------------------------------------------------
>
> Key: HTTPCORE-517
> URL: https://issues.apache.org/jira/browse/HTTPCORE-517
> Project: HttpComponents HttpCore
> Issue Type: Improvement
> Components: HttpCore NIO
> Reporter: Paul Thompson
> Assignee: Gary Gregory
> Priority: Major
> Fix For: 4.4.10, 5.0-beta3
>
>
> Utilising a java security manager you're able to block certain socket connections from taking place. This can be useful to block outgoing connections for all components.
> {code:java}
> @Override
> public void checkConnect(String host, int port) {
> if(port != -1) {
> for (String bannedPerm : bannedSocketPerms) {
> if (host.equalsIgnoreCase(bannedPerm)) {
> throw new new SecurityException();
> }
> }
> }
> }{code}
> Unfortunately when doing this, the apache reactor shuts down. The call site is in the {{DefaultConnectingIOReactor}}.
> {code:java}
> final boolean connected = socketChannel.connect(request.getRemoteAddress());
> {code}
> this line is wrapped in a try/catch that catches an {{IOException}}. This means the {{SecurityException}} is propagated out, and is never offered to be caught (even with the {{ExceptionHandler}} that you can set.
> It would be an improvement to be able to throw these types of exceptions and have the reactor continue on. It's very understandable for the {{SecurityException}} to be a transient error and as such shouldn't shut down the entire reactor by default.
> Either that, or one should be able to define a {{handleRuntimeException}} (as seen in the {{BaseIOREactor}}) in such a way that it would get the option to handle the exceptions that are thrown as part of the {{processEvents}} call in the {{AbstractIOReactor}}
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