kosipov/anti-syktsu-proxy
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Log upstream proxy auth details

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kosipov
2026-04-11 11:57:02 +03:00
parent d73a640142
commit e1734f82ef
2 changed files with 12 additions and 2 deletions
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12
Program.cs
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@@ -17,6 +17,10 @@ class Program
static string PASS = "pass";
static readonly string UPSTREAM_USER = ResolveUpstreamUser();
static readonly string UPSTREAM_PASS = Environment.GetEnvironmentVariable("UPSTREAM_PASS") ?? string.Empty;
static readonly bool FORCE_UPSTREAM_BASIC = string.Equals(
Environment.GetEnvironmentVariable("FORCE_UPSTREAM_BASIC"),
"1",
StringComparison.OrdinalIgnoreCase);
static readonly string UPSTREAM_PROXY_AUTH_HEADER = BuildUpstreamProxyAuthHeader();
static long _connectionSeq;
@@ -30,7 +34,7 @@ class Program
Log.Info($"login: {USER}");
Log.Info($"pass : {PASS}");
Log.Info($"upstream auth user: {UPSTREAM_USER}");
Log.Info("upstream auth pass: <empty>");
Log.Info($"force upstream basic: {(FORCE_UPSTREAM_BASIC ? "on" : "off")}");
var listener = new TcpListener(IPAddress.Any, port);
listener.Start();
@@ -424,14 +428,18 @@ class Program
static string BuildUpstreamProxyAuthHeader()
{
if (!FORCE_UPSTREAM_BASIC)
return string.Empty;
if (string.IsNullOrWhiteSpace(UPSTREAM_USER))
{
Log.Warn("UPSTREAM_USER is empty; upstream Proxy-Authorization is disabled");
Log.Warn("FORCE_UPSTREAM_BASIC=1 but UPSTREAM_USER is empty; upstream Basic auth is disabled");
return string.Empty;
}
string pass = UPSTREAM_PASS ?? string.Empty;
string encoded = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{UPSTREAM_USER}:{pass}"));
Log.Info("Upstream Basic auth header enabled");
return $"Proxy-Authorization: Basic {encoded}\r\n";
}