/// <summary>
/// Start this proxy server instance.
/// </summary>
public void Start()
{
if (ProxyRunning)
{
throw new Exception("Proxy is already running.");
}
if (ProxyEndPoints.OfType <ExplicitProxyEndPoint>().Any(x => x.GenericCertificate == null))
{
CertificateManager.EnsureRootCertificate();
}
// clear any system proxy settings which is pointing to our own endpoint (causing a cycle)
// due to ungracious proxy shutdown before or something else
if (systemProxySettingsManager != null && RunTime.IsWindows)
{
var proxyInfo = systemProxySettingsManager.GetProxyInfoFromRegistry();
if (proxyInfo.Proxies != null)
{
var protocolToRemove = ProxyProtocolType.None;
foreach (var proxy in proxyInfo.Proxies.Values)
{
if (NetworkHelper.IsLocalIpAddress(proxy.HostName) &&
ProxyEndPoints.Any(x => x.Port == proxy.Port))
{
protocolToRemove |= proxy.ProtocolType;
}
}
if (protocolToRemove != ProxyProtocolType.None)
{
systemProxySettingsManager.RemoveProxy(protocolToRemove, false);
}
}
}
if (ForwardToUpstreamGateway && GetCustomUpStreamProxyFunc == null && systemProxySettingsManager != null)
{
// Use WinHttp to handle PAC/WAPD scripts.
systemProxyResolver = new WinHttpWebProxyFinder();
systemProxyResolver.LoadFromIE();
GetCustomUpStreamProxyFunc = getSystemUpStreamProxy;
}
ProxyRunning = true;
CertificateManager.ClearIdleCertificates();
foreach (var endPoint in ProxyEndPoints)
{
listen(endPoint);
}
}
/// <summary>
/// Set the given explicit end point as the default proxy server for current machine.
/// </summary>
/// <param name="endPoint">The explicit endpoint.</param>
/// <param name="protocolType">The proxy protocol type.</param>
public void SetAsSystemProxy(ExplicitProxyEndPoint endPoint, ProxyProtocolType protocolType)
{
if (RunTime.IsRunningOnMono)
{
throw new Exception("Mono Runtime do not support system proxy settings.");
}
validateEndPointAsSystemProxy(endPoint);
bool isHttp = (protocolType & ProxyProtocolType.Http) > 0;
bool isHttps = (protocolType & ProxyProtocolType.Https) > 0;
if (isHttps)
{
CertificateManager.EnsureRootCertificate();
// If certificate was trusted by the machine
if (!CertificateManager.CertValidated)
{
protocolType = protocolType & ~ProxyProtocolType.Https;
isHttps = false;
}
}
// clear any settings previously added
if (isHttp)
{
ProxyEndPoints.OfType <ExplicitProxyEndPoint>().ToList().ForEach(x => x.IsSystemHttpProxy = false);
}
if (isHttps)
{
ProxyEndPoints.OfType <ExplicitProxyEndPoint>().ToList().ForEach(x => x.IsSystemHttpsProxy = false);
}
systemProxySettingsManager.SetProxy(
Equals(endPoint.IpAddress, IPAddress.Any) |
Equals(endPoint.IpAddress, IPAddress.Loopback)
? "localhost"
: endPoint.IpAddress.ToString(),
endPoint.Port,
protocolType);
if (isHttp)
{
endPoint.IsSystemHttpProxy = true;
}
if (isHttps)
{
endPoint.IsSystemHttpsProxy = true;
}
string proxyType = null;
switch (protocolType)
{
case ProxyProtocolType.Http:
proxyType = "HTTP";
break;
case ProxyProtocolType.Https:
proxyType = "HTTPS";
break;
case ProxyProtocolType.AllHttp:
proxyType = "HTTP and HTTPS";
break;
}
if (protocolType != ProxyProtocolType.None)
{
Console.WriteLine("Set endpoint at Ip {0} and port: {1} as System {2} Proxy", endPoint.IpAddress,
endPoint.Port, proxyType);
}
}
