public TwitterAuthorizationToken RequestToken()
{
const string grantType = "grant_type=client_credentials";
var content = new StringContent(grantType);
content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
var param = new HttpParameters
{
BaseUrl = _baseUrl,
AuthorizationHeader = new AuthenticationHeaderValue(
"Basic",
Convert.ToBase64String(
Encoding.ASCII.GetBytes(
string.Format("{0}:{1}", Uri.EscapeDataString(_oauthConsumerKey),
Uri.EscapeDataString(_oauthConsumerSecret))))),
Content = content,
DefaultHeaders = new Dictionary<string, string> { { "Accept-Encoding", "gzip" }, { "Host", "api.twitter.com" } },
ResourceUrl = "oauth2/token"
};
var rawJWt = _httpClient.Post(param);
var token = JsonConvert.DeserializeObject<TwitterAuthorizationToken>(rawJWt);
if (!token.TokenType.Equals(TokenType, StringComparison.CurrentCultureIgnoreCase))
{
return null;
}
return token;
}
public string Post(HttpParameters param)
{
if (string.IsNullOrEmpty(param.BaseUrl))
{
throw new ArgumentNullException("BaseUrl is required");
}
var client = new HttpClient{BaseAddress = new Uri(param.BaseUrl)};
if (param.AuthorizationHeader != null)
{
client.DefaultRequestHeaders.Authorization = param.AuthorizationHeader;
}
if (param.DefaultHeaders != null)
{
foreach (var header in param.DefaultHeaders)
{
client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value);
}
}
//if (param.Content == null)
//{
// throw new InvalidOperationException("Http content most be provided");
//}
HttpResponseMessage response;
try
{
response = client.PostAsync(param.ResourceUrl, param.Content).Result;
response.EnsureSuccessStatusCode();
}
catch (HttpRequestException ex)
{
throw;
}
catch (WebException ex)
{
throw;
}
catch (TaskCanceledException ex)
{
throw;
}
catch (Exception ex)
{
throw;
}
finally
{
client.Dispose();
}
string apiResponse;
using (var responseStream = response.Content.ReadAsStreamAsync())
using (var decompressedStream = new GZipStream(responseStream.Result, CompressionMode.Decompress))
using (var streamReader = new StreamReader(decompressedStream))
{
var rawResponse = streamReader.ReadToEnd();
apiResponse = JsonConvert.DeserializeObject(rawResponse).ToString();
}
return apiResponse;
}
public string Get(HttpParameters param)
{
if (string.IsNullOrEmpty(param.BaseUrl))
{
throw new ArgumentNullException("BaseUrl is required");
}
var client = new HttpClient { BaseAddress = new Uri(param.BaseUrl) };
if (param.AuthorizationHeader != null)
{
client.DefaultRequestHeaders.Authorization = param.AuthorizationHeader;
}
if (param.DefaultHeaders.Any())
{
foreach (var header in param.DefaultHeaders)
{
client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value);
}
}
string result;
try
{
var requestTask = client.GetAsync(param.ResourceUrl);
HttpResponseMessage apiResponse = requestTask.Result;
apiResponse.EnsureSuccessStatusCode();
using (var responseStream = apiResponse.Content.ReadAsStreamAsync())
using (
var decompressedStream = new GZipStream(responseStream.Result,
CompressionMode.Decompress))
using (var streamReader = new StreamReader(decompressedStream))
{
var rawContent = streamReader.ReadToEnd();
result = JsonConvert.DeserializeObject(rawContent).ToString();
}
}
catch (HttpRequestException ex)
{
throw;
}
catch (WebException ex)
{
throw;
}
catch (TaskCanceledException ex)
{
throw;
}
catch (Exception ex)
{
throw;
}
finally
{
client.Dispose();
}
return result;
}
