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62 lines
2.0 KiB
62 lines
2.0 KiB
8 months ago
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using System.Collections;
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using System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Cms;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Zlib;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Cms
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{
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/**
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* Class for reading a CMS Compressed Data stream.
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* <pre>
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* CMSCompressedDataParser cp = new CMSCompressedDataParser(inputStream);
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*
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* process(cp.GetContent().GetContentStream());
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* </pre>
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* Note: this class does not introduce buffering - if you are processing large files you should create
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* the parser with:
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* <pre>
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* CMSCompressedDataParser ep = new CMSCompressedDataParser(new BufferedInputStream(inputStream, bufSize));
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* </pre>
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* where bufSize is a suitably large buffer size.
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*/
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public class CmsCompressedDataParser
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: CmsContentInfoParser
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{
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public CmsCompressedDataParser(
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byte[] compressedData)
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: this(new MemoryStream(compressedData, false))
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{
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}
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public CmsCompressedDataParser(
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Stream compressedData)
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: base(compressedData)
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{
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}
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public CmsTypedStream GetContent()
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{
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try
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{
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CompressedDataParser comData = new CompressedDataParser((Asn1SequenceParser)this.contentInfo.GetContent(Asn1Tags.Sequence));
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ContentInfoParser content = comData.GetEncapContentInfo();
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Asn1OctetStringParser bytes = (Asn1OctetStringParser)content.GetContent(Asn1Tags.OctetString);
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return new CmsTypedStream(content.ContentType.ToString(), new ZInputStream(bytes.GetOctetStream()));
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}
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catch (IOException e)
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{
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throw new CmsException("IOException reading compressed content.", e);
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}
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}
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}
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}
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#pragma warning restore
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#endif
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