/// <summary>
/// Checks whether this assembly is a friend assembly of <paramref name="targetAsm"/>
/// </summary>
/// <param name="targetAsm">Target assembly</param>
public bool IsFriendAssemblyOf(AssemblyDef targetAsm)
{
if (targetAsm == null)
{
return(false);
}
if (this == targetAsm)
{
return(true);
}
// Both must be unsigned or both must be signed according to the
// InternalsVisibleToAttribute documentation.
if (PublicKeyBase.IsNullOrEmpty2(publicKey) != PublicKeyBase.IsNullOrEmpty2(targetAsm.PublicKey))
{
return(false);
}
foreach (var ca in targetAsm.CustomAttributes.FindAll("System.Runtime.CompilerServices.InternalsVisibleToAttribute"))
{
if (ca.ConstructorArguments.Count != 1)
{
continue;
}
var arg = ca.ConstructorArguments.Get(0, default(CAArgument));
if (arg.Type.GetElementType() != ElementType.String)
{
continue;
}
var asmName = arg.Value as UTF8String;
if (UTF8String.IsNull(asmName))
{
continue;
}
var asmInfo = new AssemblyNameInfo(asmName);
if (asmInfo.Name != name)
{
continue;
}
if (!PublicKeyBase.IsNullOrEmpty2(publicKey))
{
if (!PublicKey.Equals(asmInfo.PublicKeyOrToken as PublicKey))
{
continue;
}
}
else if (!PublicKeyBase.IsNullOrEmpty2(asmInfo.PublicKeyOrToken))
{
continue;
}
return(true);
}
return(false);
}
private static Info?GetInfo(TypeDef td)
{
if (td == null)
{
return(null);
}
if (td.IsWindowsRuntime)
{
return(null);
}
UTF8String scope = null, identifier = null;
var tia = td.CustomAttributes.Find("System.Runtime.InteropServices.TypeIdentifierAttribute");
if (tia != null)
{
if (tia.ConstructorArguments.Count >= 2)
{
if (tia.ConstructorArguments[0].Type.GetElementType() != ElementType.String)
{
return(null);
}
if (tia.ConstructorArguments[1].Type.GetElementType() != ElementType.String)
{
return(null);
}
scope = tia.ConstructorArguments[0].Value as UTF8String ?? tia.ConstructorArguments[0].Value as string;
identifier = tia.ConstructorArguments[1].Value as UTF8String ?? tia.ConstructorArguments[1].Value as string;
}
}
else
{
var mod = td.Module;
var asm = mod == null ? null : mod.Assembly;
if (asm == null)
{
return(null);
}
bool isTypeLib = asm.CustomAttributes.IsDefined("System.Runtime.InteropServices.ImportedFromTypeLibAttribute") ||
asm.CustomAttributes.IsDefined("System.Runtime.InteropServices.PrimaryInteropAssemblyAttribute");
if (!isTypeLib)
{
return(null);
}
}
if (UTF8String.IsNull(identifier))
{
CustomAttribute gca;
if (td.IsInterface && td.IsImport)
{
gca = td.CustomAttributes.Find("System.Runtime.InteropServices.GuidAttribute");
}
else
{
var mod = td.Module;
var asm = mod == null ? null : mod.Assembly;
if (asm == null)
{
return(null);
}
gca = asm.CustomAttributes.Find("System.Runtime.InteropServices.GuidAttribute");
}
if (gca == null)
{
return(null);
}
if (gca.ConstructorArguments.Count < 1)
{
return(null);
}
if (gca.ConstructorArguments[0].Type.GetElementType() != ElementType.String)
{
return(null);
}
scope = gca.ConstructorArguments[0].Value as UTF8String ?? gca.ConstructorArguments[0].Value as string;
var ns = td.Namespace;
var name = td.Name;
if (UTF8String.IsNullOrEmpty(ns))
{
identifier = name;
}
else if (UTF8String.IsNullOrEmpty(name))
{
identifier = new UTF8String(Concat(ns.Data, (byte)'.', empty));
}
else
{
identifier = new UTF8String(Concat(ns.Data, (byte)'.', name.Data));
}
}
return(new Info(scope, identifier));
}
