internal override ScriptValue Get(ScriptValue property, ScriptValue reciever)
{
//https://tc39.github.io/ecma262/#sec-arguments-exotic-objects-get-p-receiver
var isMapped = ParameterMap.HasOwnProperty(property);
if (!isMapped)
{
return(base.Get(property, reciever));
}
return(ParameterMap.Get(property, ParameterMap));
}
private string GetSignature()
{
if (_parameterMap.Get("oauth_signature_method") != "HMAC-SHA1")
{
throw new ArgumentException("SignatureMethod HMAC-SHA1 is mandatory");
}
var tokenSecret = string.IsNullOrEmpty(_tokenSecret) ? "" : EncodingUtility.UrlEncode(_tokenSecret);
var secret = EncodingUtility.UrlEncode(_consumerSecret) + '&' + tokenSecret;
var hmacsha1 = new HMACSHA1 {
Key = Encoding.ASCII.GetBytes(secret)
};
var signatureBase = GetSignatureBase();
return(ComputeHash(hmacsha1, signatureBase));
}
internal override bool DefineOwnProperty(ScriptValue property, PropertyDescriptor descriptor)
{
//https://tc39.github.io/ecma262/#sec-arguments-exotic-objects-defineownproperty-p-desc
var isMapped = ParameterMap.HasOwnProperty(property);
var newArgumentDescriptor = descriptor;
if (isMapped && descriptor.IsDataDescriptor)
{
if (!descriptor.Value.HasValue && descriptor.Writable.HasValue && !descriptor.Writable)
{
newArgumentDescriptor = new PropertyDescriptor(ParameterMap.Get(property), descriptor.Writable, descriptor.Enumerable, descriptor.Configurable);
}
}
var allowed = base.DefineOwnProperty(property, newArgumentDescriptor);
if (!allowed)
{
return(false);
}
if (isMapped)
{
if (descriptor.IsAccessorDescriptor)
{
ParameterMap.Delete(property);
}
else
{
if (descriptor.Value.HasValue)
{
var setStatus = Agent.Set(ParameterMap, property, descriptor.Value.Value, false);
Debug.Assert(setStatus);
}
if (descriptor.Writable.HasValue && !descriptor.Writable)
{
ParameterMap.Delete(property);
}
}
}
return(true);
}
internal override PropertyDescriptor GetOwnProperty(ScriptValue property)
{
//https://tc39.github.io/ecma262/#sec-arguments-exotic-objects-getownproperty-p
var descriptor = base.GetOwnProperty(property);
if (descriptor == null)
{
return(null);
}
var isMapped = ParameterMap.HasOwnProperty(property);
if (isMapped)
{
descriptor.Value = ParameterMap.Get(property, ParameterMap);
}
return(descriptor);
}
public override PropertyDescriptor GetOwnProperty(string propertyName)
{
if (!Strict && ParameterMap != null)
{
var desc = base.GetOwnProperty(propertyName);
if (desc == PropertyDescriptor.Undefined)
{
return(desc);
}
var isMapped = ParameterMap.GetOwnProperty(propertyName);
if (isMapped != PropertyDescriptor.Undefined)
{
desc.Value = ParameterMap.Get(propertyName);
}
return(desc);
}
return(base.GetOwnProperty(propertyName));
}
