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Add 'http://' to http(s)_proxy if there is no protocol (#2663)

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* Add 'http://' to http(s)_proxy if there is no protocol

Before this commit, these URIs used to be ignored (nullproxy).

The new behaviour aligns with go style http(s)_proxy

* Update src/Runner.Sdk/RunnerWebProxy.cs

Co-authored-by: Nikola Jokic <jokicnikola07@gmail.com>

* Assert that original protocol is preserved

* Use startsWith for testing protocol

* Only modify proxy if useful

---------

Co-authored-by: Nikola Jokic <jokicnikola07@gmail.com>
This commit is contained in:
Ferenc Hammerl
2023-06-20 15:53:44 +02:00
committed by GitHub
parent 8415f13bab
commit 5f1c6f4708
2 changed files with 87 additions and 2 deletions
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23
src/Runner.Sdk/RunnerWebProxy.cs
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@@ -69,6 +69,10 @@ namespace GitHub.Runner.Sdk
return;
}
if (!string.IsNullOrEmpty(httpProxyAddress) && !Uri.TryCreate(httpProxyAddress, UriKind.Absolute, out var _))
{
httpProxyAddress = PrependHttpIfMissing(httpProxyAddress);
}
if (!string.IsNullOrEmpty(httpProxyAddress) && Uri.TryCreate(httpProxyAddress, UriKind.Absolute, out var proxyHttpUri))
{
_httpProxyAddress = proxyHttpUri.OriginalString;
@@ -99,6 +103,10 @@ namespace GitHub.Runner.Sdk
}
}
if (!string.IsNullOrEmpty(httpsProxyAddress) && !Uri.TryCreate(httpsProxyAddress, UriKind.Absolute, out var _))
{
httpsProxyAddress = PrependHttpIfMissing(httpsProxyAddress);
}
if (!string.IsNullOrEmpty(httpsProxyAddress) && Uri.TryCreate(httpsProxyAddress, UriKind.Absolute, out var proxyHttpsUri))
{
_httpsProxyAddress = proxyHttpsUri.OriginalString;
@@ -240,5 +248,20 @@ namespace GitHub.Runner.Sdk
return false;
}
private string PrependHttpIfMissing(string proxyAddress)
{
// much like in golang, see https://github.com/golang/net/blob/f5464ddb689c015d1abf4df78a806a54af977e6c/http/httpproxy/proxy.go#LL156C31-L156C31
if (!proxyAddress.StartsWith("http://", StringComparison.Ordinal) && !proxyAddress.StartsWith("https://", StringComparison.Ordinal))
{
var prependedProxyAddress = "http://" + proxyAddress;
if (Uri.TryCreate(prependedProxyAddress, UriKind.Absolute, out var _))
{
// if prepending http:// turns the proxyAddress into a valid Uri, then use that
return prependedProxyAddress;
}
}
return proxyAddress;
}
}
}