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Disabling a configured proxy for requests to localhost/127.0.0.1/::1. #2305

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merged 3 commits into from May 30, 2016

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@dennisoelkers dennisoelkers commented May 30, 2016

This PR adds a bit of code to disable the proxy in the provider if the target URI containcs localhost, 127.0.0.1 or ::1, because we assume that these are meant to go against the Graylog server host itself and not the proxy host.

@dennisoelkers dennisoelkers added this to the 2.x milestone May 30, 2016
public List<Proxy> select(URI uri) {
switch (uri.getHost().toLowerCase(Locale.ENGLISH)) {
case "localhost":
case "127.0.1":

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@joschi

joschi May 30, 2016
Contributor

Typo?

switch (uri.getHost().toLowerCase(Locale.ENGLISH)) {
case "localhost":
case "127.0.1":
case "::1":

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@joschi

joschi May 30, 2016
Contributor

This will miss non-normalized IPv6 addresses, e. g. "0:0:00::1".

final ProxySelector proxySelector = new ProxySelector() {
@Override
public List<Proxy> select(URI uri) {
switch (uri.getHost().toLowerCase(Locale.ENGLISH)) {

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@dennisoelkers

dennisoelkers May 30, 2016
Author Member

Good idea. Probably solves all of the remarks :)

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@dennisoelkers

dennisoelkers May 30, 2016
Author Member

Unfortunately this would rely on InetAddress's usual name resolving, which rules out this solution.

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@joschi

joschi May 30, 2016
Contributor

Why is this a problem (at least for isLoopbackAddress)?

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@dennisoelkers

dennisoelkers May 30, 2016
Author Member

Hm, due to the fact that we're doing the resolving soon after acquiring the http client provider anyway, it might not be a problem to do this.

@joschi joschi self-assigned this May 30, 2016
@joschi joschi modified the milestones: 2.0.3, 2.x May 30, 2016
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@joschi joschi commented May 30, 2016

LGTM. 👍

@joschi joschi merged commit 86d998d into master May 30, 2016
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@joschi joschi deleted the no-proxy-for-localhost branch May 30, 2016
joschi pushed a commit that referenced this pull request May 30, 2016
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2 participants