50 lines
849 B
C#
50 lines
849 B
C#
using System;
|
|
using System.IO;
|
|
using Org.BouncyCastle.Utilities;
|
|
using Org.BouncyCastle.Utilities.IO;
|
|
|
|
namespace Org.BouncyCastle.Cms;
|
|
|
|
public class CmsProcessableInputStream : CmsProcessable, CmsReadable
|
|
{
|
|
private readonly Stream input;
|
|
|
|
private bool used = false;
|
|
|
|
public CmsProcessableInputStream(Stream input)
|
|
{
|
|
this.input = input;
|
|
}
|
|
|
|
public virtual Stream GetInputStream()
|
|
{
|
|
CheckSingleUsage();
|
|
return input;
|
|
}
|
|
|
|
public virtual void Write(Stream output)
|
|
{
|
|
CheckSingleUsage();
|
|
Streams.PipeAll(input, output);
|
|
Platform.Dispose(input);
|
|
}
|
|
|
|
[Obsolete]
|
|
public virtual object GetContent()
|
|
{
|
|
return GetInputStream();
|
|
}
|
|
|
|
protected virtual void CheckSingleUsage()
|
|
{
|
|
lock (this)
|
|
{
|
|
if (used)
|
|
{
|
|
throw new InvalidOperationException("CmsProcessableInputStream can only be used once");
|
|
}
|
|
used = true;
|
|
}
|
|
}
|
|
}
|