static SecKey ImportPrivateKey(X509Certificate2 certificate)
{
if (!certificate.HasPrivateKey)
{
throw new NotSupportedException();
}
CFArray items;
using (var data = CFData.FromData(ExportKey((RSA)certificate.PrivateKey)))
items = ItemImport(data, SecExternalFormat.OpenSSL, SecExternalItemType.PrivateKey);
try {
if (items.Count != 1)
{
throw new InvalidOperationException("Private key import failed.");
}
var imported = items[0];
if (CFType.GetTypeID(imported) != SecKey.GetTypeID())
{
throw new InvalidOperationException("Private key import doesn't return SecKey.");
}
return(new SecKey(imported, items.Handle));
} finally {
items.Dispose();
}
}
static INativeObject [] QueryAsReference(CFDictionary query, out SecStatusCode result)
{
if (query == null)
{
result = SecStatusCode.Param;
return(null);
}
IntPtr ptr;
result = SecItem.SecItemCopyMatching(query.Handle, out ptr);
if (result == SecStatusCode.Success && ptr != IntPtr.Zero)
{
var array = CFArray.ArrayFromHandle <INativeObject> (ptr, p => {
IntPtr cfType = CFType.GetTypeID(p);
if (cfType == SecCertificate.GetTypeID())
{
return(new SecCertificate(p, true));
}
if (cfType == SecKey.GetTypeID())
{
return(new SecKey(p, true));
}
if (cfType == SecIdentity.GetTypeID())
{
return(new SecIdentity(p, true));
}
throw new Exception(String.Format("Unexpected type: 0x{0:x}", cfType));
});
return(array);
}
return(null);
}
public static bool IsSecKey(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
{
return(false);
}
return(CFType.GetTypeID(ptr) == SecKeyGetTypeID());
}
public CFHTTPMessage GetResponseHeader()
{
var handle = GetProperty(_ResponseHeader);
if (handle == IntPtr.Zero)
{
return(null);
}
if (CFType.GetTypeID(handle) != CFHTTPMessage.TypeID)
{
CFType.Release(handle);
throw new InvalidCastException();
}
return(new CFHTTPMessage(handle));
}
public CVImageBuffer GetImageBuffer()
{
IntPtr ib = CMSampleBufferGetImageBuffer(handle);
if (ib == IntPtr.Zero)
{
return(null);
}
var ibt = CFType.GetTypeID(ib);
if (ibt == CVPixelBuffer.CVImageBufferType)
{
return(new CVPixelBuffer(ib, false));
}
return(new CVImageBuffer(ib, false));
}
public CFHTTPMessage GetFinalRequest()
{
var handle = GetProperty(_FinalRequest);
if (handle == IntPtr.Zero)
{
return(null);
}
if (CFType.GetTypeID(handle) != CFHTTPMessage.GetTypeID())
{
CFObject.CFRelease(handle);
throw new InvalidCastException();
}
return(new CFHTTPMessage(handle));
}
static public SecIdentity ItemImport(X509Certificate2 certificate)
{
if (!certificate.HasPrivateKey)
{
throw new NotSupportedException();
}
using (var key = ImportPrivateKey(certificate))
using (var cert = new SecCertificate(certificate)) {
var identity = SecIdentityCreate(IntPtr.Zero, cert.Handle, key.Handle);
if (CFType.GetTypeID(identity) != SecIdentity.GetTypeID())
{
throw new InvalidOperationException();
}
return(new SecIdentity(identity, true));
}
}
public static INativeObject[] QueryAsReference(SecRecord query, int max, out SecStatusCode result)
{
if (query == null)
{
result = SecStatusCode.Param;
return(null);
}
using (var copy = query.queryDict.MutableCopy()) {
copy.SetValue(CFBoolean.True.Handle, SecItem.ReturnRef);
SetLimit(copy, max);
IntPtr ptr;
result = SecItem.SecItemCopyMatching(copy.Handle, out ptr);
if ((result == SecStatusCode.Success) && (ptr != IntPtr.Zero))
{
var array = CFArray.ArrayFromHandle <INativeObject> (ptr, p => {
IntPtr cfType = CFType.GetTypeID(p);
if (cfType == SecCertificate.GetTypeID())
{
return(new SecCertificate(p, true));
}
else if (cfType == SecKey.GetTypeID())
{
return(new SecKey(p, true));
}
else if (cfType == SecIdentity.GetTypeID())
{
return(new SecIdentity(p, true));
}
else
{
throw new Exception(String.Format("Unexpected type: 0x{0:x}", cfType));
}
});
return(array);
}
return(null);
}
}
