/// <summary>
/// Re-link proxy bindings to the given object
/// </summary>
/// <typeparam name="T">Type of object being linked</typeparam>
/// <param name="inputObject">Object to link proxies into</param>
/// <param name="keyring">Local keyring to use in resulting linked object</param>
/// <param name="configuration">Local configuration to use in resulting linked object</param>
public static void Relink <T>(this T inputObject, Keyring keyring = null, EncryptionProxyConfiguration configuration = null) where T : class
{
if (EncryptedType.PendingGenerations.Contains(typeof(T)))
{
// Ignore any recursive generation from constructors
return;
}
if (keyring == null)
{
keyring = new Keyring();
}
AttemptRelink(inputObject, keyring, configuration);
}
/// <summary>
/// Return a copy of the given object with proxy bindings (this could either be a relink or a creation operation)
/// </summary>
/// <typeparam name="T">Type of object being linked</typeparam>
/// <param name="inputObject">Object being linked or wrapped in an encryption proxy</param>
/// <param name="keyring">Local keyring to use in resulting linked object</param>
/// <param name="configuration">Local configuration to use in resulting linked object</param>
/// <returns>Object of same type as input, with proxy bindings</returns>
public static T AsEncrypted <T>(this T inputObject, Keyring keyring = null, EncryptionProxyConfiguration configuration = null) where T : class
{
if (keyring == null)
{
keyring = new Keyring();
}
if (!AttemptRelink(inputObject, keyring, configuration))
{
var trackedInstance = EncryptedInstanceFactory.GenerateTrackedInstance(inputObject.GetType(), configuration);
trackedInstance.GetLocalKeyring().Import(keyring);
CopyObjectProperties(inputObject, trackedInstance);
return((T)trackedInstance);
}
else
{
return(inputObject);
}
}
private static bool AttemptRelink(object inputObject, Keyring keyring, EncryptionProxyConfiguration configuration)
{
// Is the object already linked?
if (HasValidEncryptionExtensions(inputObject))
{
EncryptedInstanceFactory.AttachInterceptor(inputObject, configuration);
inputObject.GetLocalKeyring().Import(keyring);
return(true);
}
// Does this object already have the bits we can attach to?
if (HasUnlinkedEncryptionExtensions(inputObject))
{
EncryptedInstanceFactory.AttachToExistingObject(inputObject, configuration);
inputObject.GetLocalKeyring().Import(keyring);
return(true);
}
return(false);
}
