public static string request(string host, SortedDictionary <string, object> parameters, string secret)
{
StringBuilder queryString = new StringBuilder();
foreach (var p in parameters)
{
queryString
.Append(PopEncode.Encode(p.Key)).Append("=")
.Append(PopEncode.Encode(p.Value.ToString()))
.Append("&");
}
string request = host + "/?" + queryString + "Signature=" + Sign.sign("GET", parameters, secret + "&");
return(request);
}
public static string sign(string method, SortedDictionary <string, object> parameters, string secret)
{
StringBuilder canonicalizedQueryString = new StringBuilder();
foreach (var p in parameters)
{
canonicalizedQueryString.Append("&")
.Append(PopEncode.popEncode(p.Key)).Append("=")
.Append(PopEncode.popEncode(p.Value.ToString()));
}
StringBuilder stringToSign = new StringBuilder();
stringToSign.Append(method.ToString());
stringToSign.Append(SEPARATOR);
stringToSign.Append(PopEncode.popEncode("/"));
stringToSign.Append(SEPARATOR);
stringToSign.Append(PopEncode.popEncode(
canonicalizedQueryString.ToString().Substring(1)));
var algorithm = KeyedHashAlgorithm.Create("HMACSHA1");
algorithm.Key = Encoding.UTF8.GetBytes(secret.ToCharArray());
return(Convert.ToBase64String(algorithm.ComputeHash(Encoding.UTF8.GetBytes(stringToSign.ToString().ToCharArray()))));
}