public override async Task SignRequestAsync(ApiActionContext context)
{
await Task.CompletedTask;
CCBSignSettings signSettings = context.ApiActionDescriptor.Arguments.FirstOrDefault(arg => arg is CCBSignSettings) as CCBSignSettings;
IParameterNameComparer parameterNameComparer = context.ApiActionDescriptor.Arguments.FirstOrDefault(arg => arg is IParameterNameComparer) as IParameterNameComparer;
string query = context.RequestMessage.RequestUri.Query;
if (!string.IsNullOrWhiteSpace(query))
{
IEnumerable <KeyValuePair <string, string> > kvs = query
.Split('&')
.Select(s => new KeyValuePair <string, string>(s.Split('=')[0], s.Split('=')[1]));
SortedDictionary <string, string> sortedDictionary = new SortedDictionary <string, string>(parameterNameComparer);
foreach (KeyValuePair <string, string> item in kvs)
{
SignOrderAttribute signOrderAttribute = parameterNameComparer?.GetSignOrderAttribute(item.Key);
if (signOrderAttribute != null)
{
sortedDictionary.Add(item.Key, item.Value);
}
}
CCBSignProvider ccbSignProvider = new CCBSignProvider(signSettings);
string sign = ccbSignProvider.SignWithLast30BitsOfPublicKey(sortedDictionary);
string signString = ccbSignProvider.SignString;
Uri uri = new Uri(context.RequestMessage.RequestUri.AbsoluteUri + "&MAC=" + sign);
context.RequestMessage.RequestUri = uri;
}
}
public int Compare(string x, string y)
{
SignOrderAttribute signOrderAttributeX = GetSignOrderAttribute(x);
SignOrderAttribute signOrderAttributeY = GetSignOrderAttribute(y);
if (signOrderAttributeY == null)
{
return(1);
}
if (signOrderAttributeX == null)
{
return(-1);
}
return(signOrderAttributeX.Order - signOrderAttributeY.Order);
}
