public SetBackgroundColorTag(FlashReader reader, TagRecord header) :
base(reader, header)
{
byte red = reader.ReadByte();
byte green = reader.ReadByte();
byte blue = reader.ReadByte();
BackgroundColor =
Color.FromArgb(red, green, blue);
}
public ProductInfoTag(FlashReader reader, TagRecord header) :
base(reader, header)
{
ProductId = (FlashProductId)reader.ReadUInt32();
Edition = (FlashEdition)reader.ReadUInt32();
MajorVersion = reader.ReadByte();
MinorVersion = reader.ReadByte();
BuildLow = reader.ReadUInt32();
BuildHigh = reader.ReadUInt32();
CompilationDate =
_epoch.AddMilliseconds(reader.ReadUInt64());
}
public ASNamespace(ASConstants constants, FlashReader reader)
{
_constants = constants;
NamespaceType = (ConstantType)reader.ReadByte();
NameIndex = reader.Read7BitEncodedInt();
}
public ASTrait(ABCFile abc, FlashReader reader)
{
_abc = abc;
NameIndex = reader.Read7BitEncodedInt();
byte trueKind = reader.ReadByte();
var traitType = (TraitType)(trueKind & 0xF);
Attributes = (TraitAttributes)(trueKind >> 4);
#region Trait Reading
switch (traitType)
{
case TraitType.Slot:
case TraitType.Constant:
Data = new SlotConstantTrait(abc, reader, Name.ObjName, traitType);
break;
case TraitType.Method:
case TraitType.Getter:
case TraitType.Setter:
{
var mgsTrait = new MethodGetterSetterTrait(abc, reader, Name.ObjName, traitType);
mgsTrait.Method.ObjName = Name.ObjName;
Data = mgsTrait;
break;
}
case TraitType.Class:
{
var classTrait = new ClassTrait(abc, reader, Name.ObjName);
// TODO: Link trait information?
Data = classTrait;
break;
}
case TraitType.Function:
{
var functionTrait = new FunctionTrait(abc, reader, Name.ObjName);
// TODO: Link trait information?
Data = functionTrait;
break;
}
default:
throw new Exception("Invalid trait: " + TraitType);
}
#endregion
MetadataIndices = new List<int>();
if ((Attributes & TraitAttributes.Metadata) != 0)
MetadataIndices.Capacity = reader.Read7BitEncodedInt();
for (int i = 0; i < MetadataIndices.Capacity; i++)
MetadataIndices.Add(reader.Read7BitEncodedInt());
}
public SlotConstantTrait(ABCFile abc, FlashReader reader, string objName, TraitType traitType)
: this(abc, objName, traitType)
{
SlotId = reader.Read7BitEncodedInt();
TypeIndex = reader.Read7BitEncodedInt();
ValueIndex = reader.Read7BitEncodedInt();
if (ValueIndex != 0)
ValueType = (ConstantType)reader.ReadByte();
}
public ASMultiname(ASConstants constants, FlashReader reader)
{
_constants = constants;
var multinameType = (ConstantType)reader.ReadByte();
switch (multinameType)
{
case ConstantType.QName:
case ConstantType.QNameA:
{
var qName = new QName(constants, reader, multinameType);
ObjNameIndex = qName.NameIndex;
Data = qName;
break;
}
case ConstantType.RTQName:
case ConstantType.RTQNameA:
{
var rtqName = new RTQName(constants, reader, multinameType);
ObjNameIndex = rtqName.NameIndex;
Data = rtqName;
break;
}
case ConstantType.RTQNameL:
case ConstantType.RTQNameLA:
Data = new RTQNameL(multinameType);
break;
case ConstantType.Multiname:
case ConstantType.MultinameA:
{
var multiname = new Multiname(constants, reader, multinameType);
ObjNameIndex = multiname.NameIndex;
Data = multiname;
break;
}
case ConstantType.MultinameL:
case ConstantType.MultinameLA:
Data = new MultinameL(constants, reader, multinameType);
break;
case ConstantType.Typename:
Data = new Typename(constants, reader);
break;
default:
throw new Exception("Invalid multiname: " + multinameType);
}
}
public ASMethod(ABCFile abc, FlashReader reader)
{
_abc = abc;
Parameters = new List<ASParameter>(reader.Read7BitEncodedInt());
ReturnTypeIndex = reader.Read7BitEncodedInt();
for (int i = 0; i < Parameters.Capacity; i++)
{
int parameterTypeIndex = reader.Read7BitEncodedInt();
Parameters.Add(new ASParameter(abc, parameterTypeIndex));
}
NameIndex = reader.Read7BitEncodedInt();
MethodInfo = (MethodFlags)reader.ReadByte();
if ((MethodInfo & MethodFlags.HasOptional) != 0)
{
int optionalParamCount = reader.Read7BitEncodedInt();
while (optionalParamCount > 0)
{
int paramIndex = ((Parameters.Count - 1) - (--optionalParamCount));
ASParameter optionalParameter = Parameters[paramIndex];
optionalParameter.IsOptional = true;
optionalParameter.ValueIndex = reader.Read7BitEncodedInt();
optionalParameter.ValueType = (ConstantType)reader.ReadByte();
}
}
if ((MethodInfo & MethodFlags.HasParamNames) != 0)
{
foreach (ASParameter parameter in Parameters)
parameter.NameIndex = reader.Read7BitEncodedInt();
}
}
public bool FindMessageInstances()
{
ABCFile abc = _abcFiles[2];
ASClass habboMessages = abc.FindClassByName("HabboMessages");
if (habboMessages == null || habboMessages.Traits.Count < 2) return false;
ASTrait incomingMap = habboMessages.Traits[0];
ASTrait outgoingMap = habboMessages.Traits[1];
using (var mapReader = new FlashReader(
habboMessages.Constructor.Body.Code.ToArray()))
{
while (mapReader.Position != mapReader.Length)
{
OPCode op = mapReader.ReadOP();
if (op != OPCode.GetLex) continue;
int mapTypeIndex = mapReader.Read7BitEncodedInt();
bool isOutgoing = (mapTypeIndex == outgoingMap.NameIndex);
bool isIncoming = (mapTypeIndex == incomingMap.NameIndex);
if (!isOutgoing && !isIncoming) continue;
op = mapReader.ReadOP();
if (op != OPCode.PushShort && op != OPCode.PushByte) continue;
ushort header = 0;
if (op == OPCode.PushByte)
{
header = mapReader.ReadByte();
}
else header = (ushort)mapReader.Read7BitEncodedInt();
op = mapReader.ReadOP();
if (op != OPCode.GetLex) continue;
int messageTypeIndex = mapReader.Read7BitEncodedInt();
ASMultiname messageType = abc.Constants.Multinames[messageTypeIndex];
ASInstance messageInstance = abc.FindInstanceByName(messageType.ObjName);
if (isOutgoing) OutgoingTypes[header] = messageInstance;
else if (isIncoming) IncomingTypes[header] = messageInstance;
}
}
return (OutgoingTypes.Count > 0 &&
IncomingTypes.Count > 0);
}
public ASInstance(ABCFile abc, FlashReader reader)
{
_abc = abc;
NameIndex = reader.Read7BitEncodedInt();
SuperNameIndex = reader.Read7BitEncodedInt();
ClassInfo = (ClassFlags)reader.ReadByte();
if ((ClassInfo & ClassFlags.ProtectedNamespace) != 0)
ProtectedNamespaceIndex = reader.Read7BitEncodedInt();
InterfaceIndices = new List<int>(reader.Read7BitEncodedInt());
for (int i = 0; i < InterfaceIndices.Capacity; i++)
InterfaceIndices.Add(reader.Read7BitEncodedInt());
ConstructorIndex = reader.Read7BitEncodedInt();
Traits = new List<ASTrait>(reader.Read7BitEncodedInt());
for (int i = 0; i < Traits.Capacity; i++)
Traits.Add(new ASTrait(abc, reader));
}
public DefineBitsLossless2Tag(FlashReader reader, TagRecord header) :
base(reader, header)
{
CharacterId = reader.ReadUInt16();
BitmapFormat = reader.ReadByte();
BitmapWidth = reader.ReadUInt16();
BitmapHeight = reader.ReadUInt16();
_isCompressed = true;
switch (BitmapFormat - 3)
{
case 0: break;
case 1:
case 2:
{
_compressedBitmapData =
reader.ReadBytes(header.Body.Length - 7);
break;
}
}
}
public bool ReplaceRSA(int exponent, string modulus)
{
ABCFile abc = _abcFiles[_abcFiles.Count - 1];
int modulusIndex = abc.Constants.Strings.IndexOf(modulus);
if (modulusIndex == -1)
{
abc.Constants.Strings.Add(modulus);
modulusIndex = (abc.Constants.Strings.Count - 1);
}
string e = exponent.ToString("x");
int exponentIndex = abc.Constants.Strings.IndexOf(e);
if (exponentIndex == -1)
{
abc.Constants.Strings.Add(e);
exponentIndex = (abc.Constants.Strings.Count - 1);
}
int rsaStart = 0;
ASInstance commClass = abc.FindInstanceByName("HabboCommunicationDemo");
ASMethod verifier = FindVerifyMethod(commClass, abc, out rsaStart);
ASCode verifierCode = verifier.Body.Code;
using (var inCode = new FlashReader(verifierCode.ToArray()))
using (var outCode = new FlashWriter(inCode.Length))
{
bool searchingKeys = true;
inCode.Position = rsaStart;
outCode.Write(inCode.ToArray(), 0, rsaStart);
while (inCode.Position != inCode.Length)
{
byte codeByte = inCode.ReadByte();
outCode.Write(codeByte);
if (!searchingKeys)
{
outCode.Write(inCode.ToArray(),
inCode.Position, inCode.Length - inCode.Position);
break;
}
switch ((OPCode)codeByte)
{
case OPCode.GetLex:
{
outCode.Position--;
outCode.WriteOP(OPCode.PushString);
int typeIndex = inCode.Read7BitEncodedInt();
ASMultiname type = abc.Constants.Multinames[typeIndex];
inCode.ReadOP();
inCode.Read7BitEncodedInt();
inCode.Read7BitEncodedInt();
if (modulusIndex > 0)
{
outCode.Write7BitEncodedInt(modulusIndex);
modulusIndex = -1;
}
else if (searchingKeys)
{
outCode.Write7BitEncodedInt(exponentIndex);
searchingKeys = false;
}
break;
}
case OPCode.PushString:
{
int stringIndex = inCode.Read7BitEncodedInt();
string value = abc.Constants.Strings[stringIndex];
if (string.IsNullOrWhiteSpace(Modulus))
{
Modulus = value;
outCode.Write7BitEncodedInt(modulusIndex);
}
else if (string.IsNullOrWhiteSpace(Exponent))
{
Exponent = value;
outCode.Write7BitEncodedInt(exponentIndex);
searchingKeys = false;
}
break;
}
default: continue;
}
}
verifierCode.Clear();
verifierCode.AddRange(outCode.ToArray());
if (!searchingKeys) return true;
}
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="ShockwaveFlash"/> class based on the specified array of bytes.
/// </summary>
/// <param name="data">The data containing the raw Shockwave Flash(SWF) file.</param>
public ShockwaveFlash(byte[] data)
{
_flashData = data;
Reader = new FlashReader(data);
Tags = new List<FlashTag>();
Dictionary = new FlashDictionary();
Signature = Reader.ReadString(3);
CompressWith = (CompressionStandard)Signature[0];
Version = Reader.ReadByte();
FileLength = Reader.ReadUInt32();
if (CompressWith ==
CompressionStandard.None)
{
ReadFrameInformation();
}
else IsCompressed = true;
}
