private string GenerateSignature(
Uri uri,
HttpMethod httpMethod,
IEnumerable <IOAuthQueryParameter> queryParameters,
Dictionary <string, string> urlParameters)
{
var oAuthQueryParameters = queryParameters.ToArray();
var signatureParameters = GetSignatureParameters(oAuthQueryParameters, urlParameters);
var formattedUrlParameters = CreateFormattedUrlParameters(signatureParameters);
var oAuthRequest = CreateOAuthRequest(uri, httpMethod, formattedUrlParameters);
var oAuthSecretKey = CreateOAuthSecretKey(oAuthQueryParameters);
var hmacsha1Generator = new HMACSHA1Generator();
return(StringFormater.UrlEncode(Convert.ToBase64String(hmacsha1Generator.ComputeHash(oAuthRequest, oAuthSecretKey, Encoding.UTF8))));
}
private string GenerateSignature(
Uri uri,
HttpMethod httpMethod,
IEnumerable <IOAuthQueryParameter> queryParameters,
Dictionary <string, string> urlParameters)
{
List <KeyValuePair <String, String> > signatureParameters = urlParameters.OrderBy(x => x.Key).ToList();
#region Store the paramaters that will be used
// Add all the parameters that are required to generate a signature
var oAuthQueryParameters = queryParameters as IList <IOAuthQueryParameter> ?? queryParameters.ToList();
foreach (var header in (from h in oAuthQueryParameters
where h.RequiredForSignature
orderby h.Key
select h))
{
signatureParameters.Add(new KeyValuePair <string, string>(header.Key, header.Value));
}
#endregion
#region Generate OAuthRequest Parameters
StringBuilder urlParametersFormatted = new StringBuilder();
foreach (KeyValuePair <string, string> param in (from p in signatureParameters orderby p.Key select p))
{
if (urlParametersFormatted.Length > 0)
{
urlParametersFormatted.Append("&");
}
urlParametersFormatted.Append(string.Format("{0}={1}", param.Key, param.Value));
}
#endregion
#region Generate OAuthRequest
string url = uri.Query == "" ? uri.AbsoluteUri : uri.AbsoluteUri.Replace(uri.Query, "");
string oAuthRequest = string.Format("{0}&{1}&{2}",
httpMethod,
StringFormater.UrlEncode(url),
StringFormater.UrlEncode(urlParametersFormatted.ToString()));
#endregion
#region Generate OAuthSecretKey
// Generate OAuthSecret that is required to generate a signature
IEnumerable <IOAuthQueryParameter> oAuthSecretKeyHeaders = from h in oAuthQueryParameters
where h.IsPartOfOAuthSecretKey
orderby h.Key
select h;
string oAuthSecretkey = "";
for (int i = 0; i < oAuthSecretKeyHeaders.Count(); ++i)
{
oAuthSecretkey += String.Format("{0}{1}",
StringFormater.UrlEncode(oAuthSecretKeyHeaders.ElementAt(i).Value),
(i == oAuthSecretKeyHeaders.Count() - 1) ? "" : "&");
}
#endregion
// Create and return signature
HMACSHA1Generator hmacsha1Generator = new HMACSHA1Generator();
return(StringFormater.UrlEncode(Convert.ToBase64String(hmacsha1Generator.ComputeHash(oAuthRequest, oAuthSecretkey, Encoding.UTF8))));
}
private string GenerateSignature(
Uri uri,
HttpMethod httpMethod,
IEnumerable<IOAuthQueryParameter> queryParameters,
Dictionary<string, string> urlParameters)
{
List<KeyValuePair<String, String>> signatureParameters = urlParameters.OrderBy(x => x.Key).ToList();
#region Store the paramaters that will be used
// Add all the parameters that are required to generate a signature
var oAuthQueryParameters = queryParameters as IList<IOAuthQueryParameter> ?? queryParameters.ToList();
foreach (var header in (from h in oAuthQueryParameters
where h.RequiredForSignature
orderby h.Key
select h))
{
signatureParameters.Add(new KeyValuePair<string, string>(header.Key, header.Value));
}
#endregion
#region Generate OAuthRequest Parameters
StringBuilder urlParametersFormatted = new StringBuilder();
foreach (KeyValuePair<string, string> param in (from p in signatureParameters orderby p.Key select p))
{
if (urlParametersFormatted.Length > 0)
{
urlParametersFormatted.Append("&");
}
urlParametersFormatted.Append(string.Format("{0}={1}", param.Key, param.Value));
}
#endregion
#region Generate OAuthRequest
string url = uri.Query == "" ? uri.AbsoluteUri : uri.AbsoluteUri.Replace(uri.Query, "");
string oAuthRequest = string.Format("{0}&{1}&{2}",
httpMethod,
StringFormater.UrlEncode(url),
StringFormater.UrlEncode(urlParametersFormatted.ToString()));
#endregion
#region Generate OAuthSecretKey
// Generate OAuthSecret that is required to generate a signature
IEnumerable<IOAuthQueryParameter> oAuthSecretKeyHeaders = from h in oAuthQueryParameters
where h.IsPartOfOAuthSecretKey
orderby h.Key
select h;
string oAuthSecretkey = "";
for (int i = 0; i < oAuthSecretKeyHeaders.Count(); ++i)
{
oAuthSecretkey += String.Format("{0}{1}",
StringFormater.UrlEncode(oAuthSecretKeyHeaders.ElementAt(i).Value),
(i == oAuthSecretKeyHeaders.Count() - 1) ? "" : "&");
}
#endregion
// Create and return signature
HMACSHA1Generator hmacsha1Generator = new HMACSHA1Generator();
return StringFormater.UrlEncode(Convert.ToBase64String(hmacsha1Generator.ComputeHash(oAuthRequest, oAuthSecretkey, Encoding.UTF8)));
}
