public void V2Only_NoHashes_GetHash()
{
var hashes = new PieceHashes(null, null).GetHash(5);
Assert.IsTrue(hashes.V1Hash.IsEmpty);
Assert.IsTrue(hashes.V2Hash.IsEmpty);
}
public bool Load(Stream stream)
{
_root = BencodingUtils.Decode(stream);
if (_root == null)
{
return(false);
}
BDict dictRoot = (_root as BDict);
if (dictRoot == null)
{
return(false);
}
if (dictRoot.ContainsKey("announce"))
{
Announce = (BString)dictRoot["announce"];
}
if (dictRoot.ContainsKey("announce-list"))
{
BList announceList = (BList)dictRoot["announce-list"];
foreach (IBencodingType type in announceList)
{
if (type is BString)
{
AnnounceList.Add(type as BString);
}
else
{
BList list = type as BList;
if (list == null)
{
continue;
}
BList listType = list;
foreach (IBencodingType bencodingType in listType)
{
BString s = (BString)bencodingType;
AnnounceList.Add(s);
}
}
}
}
if (dictRoot.ContainsKey("comment"))
{
Comment = (BString)dictRoot["comment"];
}
if (dictRoot.ContainsKey("created by"))
{
CreatedBy = (BString)dictRoot["created by"];
}
if (dictRoot.ContainsKey("creation date"))
{
long ts = (BInt)dictRoot["creation date"];
CreationDate = new DateTime(1970, 1, 1).AddSeconds(ts);
}
if (dictRoot.ContainsKey("info"))
{
BDict infoDict = (BDict)dictRoot["info"];
using (SHA1Managed sha1 = new SHA1Managed())
{
byte[] str = BencodingUtils.EncodeBytes(infoDict);
Hash = sha1.ComputeHash(str);
}
if (infoDict.ContainsKey("files"))
{
//multi file mode
BList fileList = (BList)infoDict["files"];
foreach (IBencodingType bencodingType in fileList)
{
BDict fileDict = (BDict)bencodingType;
String filename = string.Empty;
Int64 filesize = default(Int64);
if (fileDict.ContainsKey("path"))
{
BList filenameList = (BList)fileDict["path"];
foreach (IBencodingType type in filenameList)
{
filename += (BString)type;
filename += "\\";
}
filename = filename.Trim('\\');
}
if (fileDict.ContainsKey("length"))
{
filesize = (BInt)fileDict["length"];
}
Files.Add(filename, filesize);
}
}
if (infoDict.ContainsKey("name"))
{
Name = (BString)infoDict["name"];
if (Files.Count == 0 && infoDict.ContainsKey("length"))
{
Files.Add(Name, (BInt)infoDict["length"]);
}
}
if (infoDict.ContainsKey("private"))
{
BInt isPrivate = (BInt)infoDict["private"];
Private = isPrivate != 0;
}
if (infoDict.ContainsKey("pieces"))
{
BString pieces = (BString)infoDict["pieces"];
for (int x = 0; x < pieces.ByteValue.Length; x += 20)
{
byte[] hash = pieces.ByteValue.GetBytes(x, 20);
PieceHashes.Add(hash);
}
}
if (infoDict.ContainsKey("piece length"))
{
PieceSize = (BInt)infoDict["piece length"];
}
}
return(true);
}
public void V2Only_NoHashes_IsValid()
{
var hashes = new PieceHashes(null, null);
Assert.IsFalse(hashes.IsValid(new ReadOnlyPieceHash(new byte[20], new byte[32]), 1));
}
public bool Load(Stream stream)
{
_root = BencodingUtils.Decode(stream);
if (_root == null)
{
return(false);
}
var dictRoot = (_root as BDict);
if (dictRoot == null)
{
return(false);
}
if (dictRoot.ContainsKey(ANNOUNCE_KEY))
{
Announce = (BString)dictRoot[ANNOUNCE_KEY];
}
if (dictRoot.ContainsKey(ANNOUNCE_LIST_KEY))
{
var announceList = (BList)dictRoot[ANNOUNCE_LIST_KEY];
foreach (IBencodingType type in announceList)
{
if (type is BString)
{
AnnounceList.Add(type as BString);
}
else
{
var list = type as BList;
if (list == null)
{
continue;
}
var listType = list;
foreach (IBencodingType bencodingType in listType)
{
var s = (BString)bencodingType;
AnnounceList.Add(s);
}
}
}
}
if (dictRoot.ContainsKey(COMMENT_KEY))
{
Comment = (BString)dictRoot[COMMENT_KEY];
}
if (dictRoot.ContainsKey(CREATED_BY_KEY))
{
CreatedBy = (BString)dictRoot[CREATED_BY_KEY];
}
if (dictRoot.ContainsKey(CREATION_DATE_KEY))
{
long ts = (BInt)dictRoot[CREATION_DATE_KEY];
CreationDate = new DateTime(1970, 1, 1).AddSeconds(ts);
}
if (dictRoot.ContainsKey(INFO_KEY))
{
var infoDict = (BDict)dictRoot[INFO_KEY];
using (SHA1Managed sha1 = new SHA1Managed())
{
var str = BencodingUtils.EncodeBytes(infoDict);
Hash = sha1.ComputeHash(str);
}
if (infoDict.ContainsKey(FILES_KEY))
{
//multi file mode
var fileList = (BList)infoDict[FILES_KEY];
foreach (IBencodingType bencodingType in fileList)
{
var fileDict = (BDict)bencodingType;
var filename = string.Empty;
var filesize = default(Int64);
if (fileDict.ContainsKey(PATH_KEY))
{
var filenameList = (BList)fileDict[PATH_KEY];
foreach (IBencodingType type in filenameList)
{
filename += (BString)type;
filename += "\\";
}
filename = filename.Trim('\\');
}
if (fileDict.ContainsKey(LENGTH_KEY))
{
filesize = (BInt)fileDict[LENGTH_KEY];
}
Files.Add(filename, filesize);
}
}
if (infoDict.ContainsKey(NAME_KEY))
{
Name = (BString)infoDict[NAME_KEY];
if (Files.Count == 0 && infoDict.ContainsKey(LENGTH_KEY))
{
Files.Add(Name, (BInt)infoDict[LENGTH_KEY]);
}
}
if (infoDict.ContainsKey(PRIVATE_KEY))
{
var isPrivate = (BInt)infoDict[PRIVATE_KEY];
Private = isPrivate != 0;
}
if (infoDict.ContainsKey(PIECES_KEY))
{
var pieces = (BString)infoDict[PIECES_KEY];
for (var x = 0; x < pieces.ByteValue.Length; x += 20)
{
var hash = pieces.ByteValue.GetBytes(x, 20);
PieceHashes.Add(hash);
}
}
if (infoDict.ContainsKey(PIECE_LENGTH_KEY))
{
PieceSize = (BInt)infoDict[PIECE_LENGTH_KEY];
}
}
return(true);
}
