internal static AttributeUsageAttribute GetAttributeUsage(RuntimeType decoratedAttribute)
{
RuntimeModule runtimeModule = decoratedAttribute.GetRuntimeModule();
MetadataImport metadataImport = runtimeModule.MetadataImport;
CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(runtimeModule, decoratedAttribute.MetadataToken);
AttributeUsageAttribute attributeUsageAttribute = null;
foreach (CustomAttributeRecord customAttributeRecord in customAttributeRecords)
{
RuntimeType runtimeType = runtimeModule.ResolveType(metadataImport.GetParentToken(customAttributeRecord.tkCtor), null, null) as RuntimeType;
if (!(runtimeType != (RuntimeType)typeof(AttributeUsageAttribute)))
{
if (attributeUsageAttribute != null)
{
throw new FormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString("Format_AttributeUsage"), runtimeType));
}
AttributeTargets validOn;
bool inherited;
bool allowMultiple;
CustomAttribute.ParseAttributeUsageAttribute(customAttributeRecord.blob, out validOn, out inherited, out allowMultiple);
attributeUsageAttribute = new AttributeUsageAttribute(validOn, allowMultiple, inherited);
}
}
if (attributeUsageAttribute == null)
{
return(AttributeUsageAttribute.Default);
}
return(attributeUsageAttribute);
}
internal static AttributeUsageAttribute GetAttributeUsage(RuntimeType decoratedAttribute)
{
RuntimeModule runtimeModule = decoratedAttribute.GetRuntimeModule();
MetadataImport metadataImport = runtimeModule.MetadataImport;
CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(runtimeModule, decoratedAttribute.MetadataToken);
AttributeUsageAttribute attribute = null;
for (int i = 0; i < customAttributeRecords.Length; i++)
{
CustomAttributeRecord record = customAttributeRecords[i];
RuntimeType type = runtimeModule.ResolveType(metadataImport.GetParentToken((int)record.tkCtor), null, null) as RuntimeType;
if (type == ((RuntimeType)typeof(AttributeUsageAttribute)))
{
AttributeTargets targets;
bool flag;
bool flag2;
if (attribute != null)
{
throw new FormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString("Format_AttributeUsage"), new object[] { type }));
}
ParseAttributeUsageAttribute(record.blob, out targets, out flag, out flag2);
attribute = new AttributeUsageAttribute(targets, flag2, flag);
}
}
if (attribute == null)
{
return(AttributeUsageAttribute.Default);
}
return(attribute);
}
public virtual Type ResolveType(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments)
{
RuntimeModule module = this as RuntimeModule;
if (module == null)
{
throw new NotImplementedException();
}
return(module.ResolveType(metadataToken, genericTypeArguments, genericMethodArguments));
}
public virtual Type ResolveType(int metadataToken, Type[] genericTypeArguments, Type[] genericMethodArguments)
{
// This API was made virtual in V4. Code compiled against V2 might use
// "call" rather than "callvirt" to call it.
// This makes sure those code still works.
RuntimeModule rtModule = this as RuntimeModule;
if (rtModule != null)
{
return(rtModule.ResolveType(metadataToken, genericTypeArguments, genericMethodArguments));
}
throw new NotImplementedException();
}
private static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
{
ctor = (IRuntimeMethodInfo)null;
attributeType = (RuntimeType)null;
ctorHasParameters = false;
isVarArg = false;
IntPtr num = (IntPtr)((void *)((IntPtr)(void *)caRecord.blob.Signature + caRecord.blob.Length));
attributeType = decoratedModule.ResolveType(scope.GetParentToken((int)caRecord.tkCtor), (Type[])null, (Type[])null) as RuntimeType;
if (!attributeFilterType.IsAssignableFrom((TypeInfo)attributeType) || !CustomAttribute.AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes) || (attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
{
return(false);
}
RuntimeAssembly targetAssembly = (RuntimeAssembly)attributeType.Assembly;
RuntimeAssembly sourceAssembly = (RuntimeAssembly)decoratedModule.Assembly;
if ((Assembly)targetAssembly != lastAptcaOkAssembly && !RuntimeAssembly.AptcaCheck(targetAssembly, sourceAssembly))
{
return(false);
}
lastAptcaOkAssembly = (Assembly)sourceAssembly;
ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = ((uint)methodSignature[0] & 5U) > 0U;
ctorHasParameters = (uint)methodSignature[1] > 0U;
RuntimeTypeHandle runtimeTypeHandle1;
if (ctorHasParameters)
{
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), (int)caRecord.tkCtor);
}
else
{
// ISSUE: explicit reference operation
// ISSUE: variable of a reference type
IRuntimeMethodInfo& local = @ctor;
runtimeTypeHandle1 = attributeType.GetTypeHandleInternal();
IRuntimeMethodInfo defaultConstructor = runtimeTypeHandle1.GetDefaultConstructor();
[System.Security.SecurityCritical] // auto-generated
private unsafe static bool FilterCustomAttributeRecord(
CustomAttributeRecord caRecord,
MetadataImport scope,
ref Assembly lastAptcaOkAssembly,
RuntimeModule decoratedModule,
MetadataToken decoratedToken,
RuntimeType attributeFilterType,
bool mustBeInheritable,
object[] attributes,
IList derivedAttributes,
out RuntimeType attributeType,
out IRuntimeMethodInfo ctor,
out bool ctorHasParameters,
out bool isVarArg)
{
ctor = null;
attributeType = null;
ctorHasParameters = false;
isVarArg = false;
IntPtr blobStart = caRecord.blob.Signature;
IntPtr blobEnd = (IntPtr)((byte*)blobStart + caRecord.blob.Length);
#if FEATURE_LEGACYNETCF
if (CompatibilitySwitches.IsAppEarlierThanWindowsPhone8) {
try
{
// Resolve attribute type from ctor parent token found in decorated decoratedModule scope
attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;
}
catch(Exception)
{
return false;
}
}
else
#endif
// Resolve attribute type from ctor parent token found in decorated decoratedModule scope
attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;
// Test attribute type against user provided attribute type filter
if (!(attributeFilterType.IsAssignableFrom(attributeType)))
return false;
// Ensure if attribute type must be inheritable that it is inhertiable
// Ensure that to consider a duplicate attribute type AllowMultiple is true
if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
return false;
// Windows Runtime attributes aren't real types - they exist to be read as metadata only, and as such
// should be filtered out of the GetCustomAttributes path.
if ((attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
{
return false;
}
#if FEATURE_APTCA
// APTCA checks
RuntimeAssembly attributeAssembly = (RuntimeAssembly)attributeType.Assembly;
RuntimeAssembly decoratedModuleAssembly = (RuntimeAssembly)decoratedModule.Assembly;
if (attributeAssembly != lastAptcaOkAssembly &&
!RuntimeAssembly.AptcaCheck(attributeAssembly, decoratedModuleAssembly))
return false;
// Cache last successful APTCA check (optimization)
lastAptcaOkAssembly = decoratedModuleAssembly;
#endif // FEATURE_APTCA
// Resolve the attribute ctor
ConstArray ctorSig = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = (ctorSig[0] & 0x05) != 0;
ctorHasParameters = ctorSig[1] != 0;
if (ctorHasParameters)
{
// Resolve method ctor token found in decorated decoratedModule scope
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), caRecord.tkCtor);
}
else
{
// Resolve method ctor token from decorated decoratedModule scope
ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
if (ctor == null && !attributeType.IsValueType)
throw new MissingMethodException(".ctor");
}
// Visibility checks
MetadataToken tkParent = new MetadataToken();
if (decoratedToken.IsParamDef)
{
tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
tkParent = new MetadataToken(scope.GetParentToken(tkParent));
}
else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef)
{
tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
}
else if (decoratedToken.IsTypeDef)
{
tkParent = decoratedToken;
}
else if (decoratedToken.IsGenericPar)
{
tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
// decoratedToken is a generic parameter on a method. Get the declaring Type of the method.
if (tkParent.IsMethodDef)
tkParent = new MetadataToken(scope.GetParentToken(tkParent));
}
else
{
// We need to relax this when we add support for other types of decorated tokens.
Contract.Assert(decoratedToken.IsModule || decoratedToken.IsAssembly,
"The decoratedToken must be either an assembly, a module, a type, or a member.");
}
// If the attribute is on a type, member, or parameter we check access against the (declaring) type,
// otherwise we check access against the module.
RuntimeTypeHandle parentTypeHandle = tkParent.IsTypeDef ?
decoratedModule.ModuleHandle.ResolveTypeHandle(tkParent) :
new RuntimeTypeHandle();
return RuntimeMethodHandle.IsCAVisibleFromDecoratedType(attributeType.TypeHandle, ctor, parentTypeHandle, decoratedModule);
}
private unsafe static bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
{
ctor = null;
attributeType = null;
ctorHasParameters = false;
isVarArg = false;
IntPtr signature = caRecord.blob.Signature;
IntPtr intPtr = (IntPtr)((void *)((byte *)((void *)signature) + caRecord.blob.Length));
attributeType = (decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType);
if (!attributeFilterType.IsAssignableFrom(attributeType))
{
return(false);
}
if (!CustomAttribute.AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
{
return(false);
}
if ((attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
{
return(false);
}
RuntimeAssembly runtimeAssembly = (RuntimeAssembly)attributeType.Assembly;
RuntimeAssembly runtimeAssembly2 = (RuntimeAssembly)decoratedModule.Assembly;
if (runtimeAssembly != lastAptcaOkAssembly && !RuntimeAssembly.AptcaCheck(runtimeAssembly, runtimeAssembly2))
{
return(false);
}
lastAptcaOkAssembly = runtimeAssembly2;
ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = ((methodSignature[0] & 5) > 0);
ctorHasParameters = (methodSignature[1] > 0);
if (ctorHasParameters)
{
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), caRecord.tkCtor);
}
else
{
ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
if (ctor == null && !attributeType.IsValueType)
{
throw new MissingMethodException(".ctor");
}
}
MetadataToken token = default(MetadataToken);
if (decoratedToken.IsParamDef)
{
token = new MetadataToken(scope.GetParentToken(decoratedToken));
token = new MetadataToken(scope.GetParentToken(token));
}
else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef)
{
token = new MetadataToken(scope.GetParentToken(decoratedToken));
}
else if (decoratedToken.IsTypeDef)
{
token = decoratedToken;
}
else if (decoratedToken.IsGenericPar)
{
token = new MetadataToken(scope.GetParentToken(decoratedToken));
if (token.IsMethodDef)
{
token = new MetadataToken(scope.GetParentToken(token));
}
}
RuntimeTypeHandle sourceTypeHandle = token.IsTypeDef ? decoratedModule.ModuleHandle.ResolveTypeHandle(token) : default(RuntimeTypeHandle);
return(RuntimeMethodHandle.IsCAVisibleFromDecoratedType(attributeType.TypeHandle, ctor, sourceTypeHandle, decoratedModule));
}
private static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
{
ctor = null;
attributeType = null;
ctorHasParameters = false;
isVarArg = false;
IntPtr ptr1 = (IntPtr)(((void *)caRecord.blob.Signature) + caRecord.blob.Length);
attributeType = decoratedModule.ResolveType(scope.GetParentToken((int)caRecord.tkCtor), null, null) as RuntimeType;
if (!attributeFilterType.IsAssignableFrom(attributeType))
{
return(false);
}
if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
{
return(false);
}
RuntimeAssembly targetAssembly = (RuntimeAssembly)attributeType.Assembly;
RuntimeAssembly assembly = (RuntimeAssembly)decoratedModule.Assembly;
if ((targetAssembly != lastAptcaOkAssembly) && !RuntimeAssembly.AptcaCheck(targetAssembly, assembly))
{
return(false);
}
lastAptcaOkAssembly = assembly;
ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = (methodSignature[0] & 5) != 0;
ctorHasParameters = methodSignature[1] != 0;
if (ctorHasParameters)
{
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), (int)caRecord.tkCtor);
}
else
{
ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
if ((ctor == null) && !attributeType.IsValueType)
{
throw new MissingMethodException(".ctor");
}
}
if (ctor == null)
{
if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule))
{
return(false);
}
return(true);
}
if (RuntimeMethodHandle.IsVisibleFromModule(ctor, decoratedModule))
{
return(true);
}
MetadataToken token = new MetadataToken();
if (decoratedToken.IsParamDef)
{
token = new MetadataToken(scope.GetParentToken((int)decoratedToken));
token = new MetadataToken(scope.GetParentToken((int)token));
}
else if ((decoratedToken.IsMethodDef || decoratedToken.IsProperty) || (decoratedToken.IsEvent || decoratedToken.IsFieldDef))
{
token = new MetadataToken(scope.GetParentToken((int)decoratedToken));
}
else if (decoratedToken.IsTypeDef)
{
token = decoratedToken;
}
return(token.IsTypeDef && RuntimeMethodHandle.IsVisibleFromType(ctor, decoratedModule.ModuleHandle.ResolveTypeHandle((int)token)));
}
private static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
{
ctor = null;
attributeType = null;
ctorHasParameters = false;
isVarArg = false;
IntPtr ptr1 = (IntPtr) (((void*) caRecord.blob.Signature) + caRecord.blob.Length);
attributeType = decoratedModule.ResolveType(scope.GetParentToken((int) caRecord.tkCtor), null, null) as RuntimeType;
if (!attributeFilterType.IsAssignableFrom(attributeType))
{
return false;
}
if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
{
return false;
}
RuntimeAssembly targetAssembly = (RuntimeAssembly) attributeType.Assembly;
RuntimeAssembly assembly = (RuntimeAssembly) decoratedModule.Assembly;
if ((targetAssembly != lastAptcaOkAssembly) && !RuntimeAssembly.AptcaCheck(targetAssembly, assembly))
{
return false;
}
lastAptcaOkAssembly = assembly;
ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = (methodSignature[0] & 5) != 0;
ctorHasParameters = methodSignature[1] != 0;
if (ctorHasParameters)
{
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), (int) caRecord.tkCtor);
}
else
{
ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
if ((ctor == null) && !attributeType.IsValueType)
{
throw new MissingMethodException(".ctor");
}
}
if (ctor == null)
{
if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule))
{
return false;
}
return true;
}
if (RuntimeMethodHandle.IsVisibleFromModule(ctor, decoratedModule))
{
return true;
}
MetadataToken token = new MetadataToken();
if (decoratedToken.IsParamDef)
{
token = new MetadataToken(scope.GetParentToken((int) decoratedToken));
token = new MetadataToken(scope.GetParentToken((int) token));
}
else if ((decoratedToken.IsMethodDef || decoratedToken.IsProperty) || (decoratedToken.IsEvent || decoratedToken.IsFieldDef))
{
token = new MetadataToken(scope.GetParentToken((int) decoratedToken));
}
else if (decoratedToken.IsTypeDef)
{
token = decoratedToken;
}
return (token.IsTypeDef && RuntimeMethodHandle.IsVisibleFromType(ctor, decoratedModule.ModuleHandle.ResolveTypeHandle((int) token)));
}
[System.Security.SecurityCritical] // auto-generated
private unsafe static bool FilterCustomAttributeRecord(
CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly,
RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable,
object[] attributes, IList derivedAttributes,
out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
{
ctor = null;
attributeType = null;
ctorHasParameters = false;
isVarArg = false;
IntPtr blobStart = caRecord.blob.Signature;
IntPtr blobEnd = (IntPtr)((byte*)blobStart + caRecord.blob.Length);
// Resolve attribute type from ctor parent token found in decorated decoratedModule scope
attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;
// Test attribute type against user provided attribute type filter
if (!(attributeFilterType.IsAssignableFrom(attributeType)))
return false;
// Ensure if attribute type must be inheritable that it is inhertiable
// Ensure that to consider a duplicate attribute type AllowMultiple is true
if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
return false;
#if FEATURE_APTCA
// APTCA checks
RuntimeAssembly attributeAssembly = (RuntimeAssembly)attributeType.Assembly;
RuntimeAssembly decoratedModuleAssembly = (RuntimeAssembly)decoratedModule.Assembly;
if (attributeAssembly != lastAptcaOkAssembly &&
!RuntimeAssembly.AptcaCheck(attributeAssembly, decoratedModuleAssembly))
return false;
// Cache last successful APTCA check (optimization)
lastAptcaOkAssembly = decoratedModuleAssembly;
#endif // FEATURE_APTCA
// Resolve the attribute ctor
ConstArray ctorSig = scope.GetMethodSignature(caRecord.tkCtor);
isVarArg = (ctorSig[0] & 0x05) != 0;
ctorHasParameters = ctorSig[1] != 0;
if (ctorHasParameters)
{
// Resolve method ctor token found in decorated decoratedModule scope
ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), caRecord.tkCtor);
}
else
{
// Resolve method ctor token from decorated decoratedModule scope
ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
if (ctor == null && !attributeType.IsValueType)
throw new MissingMethodException(".ctor");
}
// Visibility checks
if (ctor == null)
{
if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule))
return false;
return true;
}
if (RuntimeMethodHandle.IsVisibleFromModule(ctor, decoratedModule))
return true;
MetadataToken tkParent = new MetadataToken();
if (decoratedToken.IsParamDef)
{
tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
tkParent = new MetadataToken(scope.GetParentToken(tkParent));
}
else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef)
{
tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
}
else if (decoratedToken.IsTypeDef)
{
tkParent = decoratedToken;
}
if (tkParent.IsTypeDef)
return RuntimeMethodHandle.IsVisibleFromType(ctor, decoratedModule.ModuleHandle.ResolveTypeHandle(tkParent));
return false;
}