/// <summary>
/// Constructs the parameters as string
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
private string GetParametersAsString(IDictionary <string, string> parameters)
{
StringBuilder data = new StringBuilder();
foreach (string key in (IEnumerable <string>)parameters.Keys)
{
string value = parameters[key];
if (value != null)
{
data.Append(key);
data.Append('=');
data.Append(MwsUtil.UrlEncode(value, false));
data.Append('&');
}
}
string result = data.ToString();
return(result.Remove(result.Length - 1));
}
/**
* Calculate String to Sign for SignatureVersion 2
*
* @param serviceUri
*
* @param parameters
* request parameters
* @return String to Sign
*/
private static string CalculateStringToSignV2(Uri serviceUri,
IDictionary <string, string> parameters)
{
StringBuilder data = new StringBuilder();
data.Append("POST");
data.Append("\n");
data.Append(serviceUri.Host.ToLower());
if (!MwsUtil.HasStandardPort(serviceUri))
{
data.Append(":");
data.Append(serviceUri.Port);
}
data.Append("\n");
string uri = serviceUri.LocalPath;
data.Append(UrlEncode(uri, true));
data.Append("\n");
//IDictionary<string, string> sorted = new SortedDictionary<string, string>(parameters, StringComparer.Ordinal);
IEnumerator <KeyValuePair <string, string> > pairs = parameters.GetEnumerator();
bool isFirst = true;
while (pairs.MoveNext())
{
if (isFirst)
{
isFirst = false;
}
else
{
data.Append("&");
}
KeyValuePair <string, string> pair = pairs.Current;
string key = pair.Key;
data.Append(MwsUtil.UrlEncode(key, false));
data.Append("=");
string value = pair.Value;
data.Append(MwsUtil.UrlEncode(value, false));
}
return(data.ToString());
}