Created
September 9, 2017 14:07
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Get-CertificateChain.ps1
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Function Get-CertificateChain { | |
param( | |
[string]$server=$(throw "Mandatory parameter -Server is missing."), | |
[int]$port=$(throw "Mandatory parameter -Port is missing."), | |
[switch]$ToBase64 | |
) | |
$code=@" | |
using System; | |
using System.Collections; | |
using System.Net; | |
using System.Net.Security; | |
using System.Net.Sockets; | |
using System.Security.Authentication; | |
using System.Text; | |
using System.Security.Cryptography.X509Certificates; | |
using System.IO; | |
using System.Threading; | |
namespace CosmosKey.Powershell | |
{ | |
public class SslUtility | |
{ | |
private static byte[] CertChain; | |
private static object Lock = new object(); | |
private static Hashtable certificateErrors = new Hashtable(); | |
public static bool ValidateServerCertificate( | |
object sender, | |
X509Certificate certificate, | |
X509Chain chain, | |
SslPolicyErrors sslPolicyErrors) | |
{ | |
byte[] data = certificate.Export(X509ContentType.Cert); | |
lock (Lock) | |
{ | |
CertChain = data; | |
Monitor.Pulse(Lock); | |
} | |
return true; | |
} | |
public static byte[] GetCertificate(string serverName, int port) | |
{ | |
TcpClient client = new TcpClient(serverName,port); | |
SslStream sslStream = new SslStream( | |
client.GetStream(), | |
false, | |
new RemoteCertificateValidationCallback (ValidateServerCertificate), | |
null | |
); | |
try | |
{ | |
lock (Lock) | |
{ | |
sslStream.BeginAuthenticateAsClient(serverName,null,null); | |
bool didTimeout = Monitor.Wait(Lock); | |
} | |
} | |
finally | |
{ | |
client.Close(); | |
} | |
return CertChain; | |
} | |
} | |
} | |
"@ | |
Add-Type $code | |
[byte[]]$certData = [CosmosKey.Powershell.SslUtility]::GetCertificate($server,$port) | |
if($ToBase64){ | |
[convert]::ToBase64String($certData) | |
} else { | |
$cert = new-object System.Security.Cryptography.X509Certificates.X509Certificate2 | |
$cert.import($certData) | |
$cert | |
} | |
} |
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