public async Task <Stream> GetStreamAsync(string url, RestParameters parameters)
{
//var handler = _modernHttpClient.GetNativeHandler();
//var outerHandler = new RetryHandler(handler, 3);
//var client = _modernHttpClient.Get(outerHandler);
var client = new HttpClient();
client.DefaultRequestHeaders.AcceptEncoding.Add(new StringWithQualityHeaderValue("gzip"));
client.DefaultRequestHeaders.AcceptEncoding.Add(new StringWithQualityHeaderValue("deflate"));
client.MaxResponseContentBufferSize = 3000000;
try
{
var result = await client.GetStreamAsync(url);
return(result);
}
catch (NotFoundException)
{
}
catch (Exception)
{
}
return(null);
}
public static RestParameters AddNoCache(this RestParameters parameters)
{
parameters.AddParameter("nocache", DateTime.UtcNow.Ticks);
parameters.AddHeader("Cache-Control", "no-cache");
parameters.AddHeader("Pragma", "no-cache");
return(parameters);
}
public static RestParameters AddBasicAuthorization(this RestParameters parameters, string userName,
string password)
{
var encoding = Encoding.GetEncoding("iso-8859-1");
var userPass = String.Format("{0}:{1}", userName, password);
var encoded = Convert.ToBase64String(encoding.GetBytes(userPass));
return(parameters.AddAuthorizationHeader("Basic", encoded));
}
public SimpleRestClient(IMvxJsonConverter jsonConverter)
{
_jsonConverter = jsonConverter;
if (String.IsNullOrWhiteSpace(MediaType))
{
MediaType = "application/json";
}
if (DefaultParameters == null)
{
DefaultParameters = new RestParameters();
}
}
public static RestParameters AddAuthorizationHeader(this RestParameters parameters, string securityMethod,
string securityToken)
{
//TODO: If there's already an authorization param, replace it
if (String.IsNullOrWhiteSpace(securityMethod) || String.IsNullOrWhiteSpace(securityToken))
{
//Can't add authorization with no token
return(parameters);
}
parameters.AddParameter(securityMethod, securityToken, RestParameterTypes.Authorization);
return(parameters);
}
public async Task <TResult> MakeRequestAsync <TResult>(string resource, HttpMethod methodType,
RestParameters parameters, int retries = 3, CancellationTokenSource token = null, string mediaType = null)
{
Mvx.TaggedTrace("RestClient", "MakeRequestAsync - Start - {0})", resource);
_currentToken = token ?? new CancellationTokenSource();
//var handler = _modernHttpClient.GetNativeHandler();
//var outerHandler = new RetryHandler(handler, retries);
//var client = _modernHttpClient.Get(outerHandler);
var client = new HttpClient();
var allParams = new RestParameters();
allParams.AddRange(DefaultParameters);
allParams.AddRange(parameters);
// Build the uri
var relativeAddress = BuildUri(BaseUrl, resource, allParams);
client.BaseAddress = new Uri(BaseUrl);
var requestMediaType = String.IsNullOrWhiteSpace(mediaType) ? MediaType : mediaType;
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(requestMediaType));
//Add Authorization
var authorizationParam = allParams.FirstOrDefault(p => p.ParameterType == RestParameterTypes.Authorization);
if (authorizationParam != null)
{
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(authorizationParam.Name, authorizationParam.Value.ToString());
}
var request = new HttpRequestMessage(methodType, relativeAddress);
//Add Body
var bodyParam = allParams.FirstOrDefault(p => p.ParameterType == RestParameterTypes.Body);
if (bodyParam != null)
{
if (bodyParam.Value.GetType() == typeof(MemoryStream))
{
request.Content = new StreamContent(bodyParam.Value as MemoryStream);
}
else
{
var serialized = Serialize(bodyParam.Value, requestMediaType);
request.Content = new StringContent(serialized, Encoding.UTF8, requestMediaType);
}
}
//Add headers
foreach (var p in allParams.Where(p => p.ParameterType == RestParameterTypes.Header))
{
request.Headers.Add(p.Name, p.Value.ToString());
}
//Make Request
Mvx.TaggedTrace("RestClient", "MakeRequestAsync - Request - {0}", request.RequestUri.ToString());
var result = await client.SendAsync(request, _currentToken.Token);
Mvx.TaggedTrace("RestClient", "MakeRequestAsync - Result - {0} - {1}", request.RequestUri.ToString(), result.StatusCode);
switch (result.StatusCode)
{
case HttpStatusCode.Forbidden:
case HttpStatusCode.Unauthorized:
result.Dispose();
throw new UnAuthorizedException(request.RequestUri.ToString());
case HttpStatusCode.InternalServerError:
case HttpStatusCode.BadRequest:
try
{
//Error message might be in the content, try to get it and pass it up to the caller
var content = await result.Content.ReadAsStringAsync();
result.Dispose();
throw new BadRequestException(content);
}
catch (Exception ex)
{
throw new BadRequestException(ex.Message);
}
case HttpStatusCode.NotAcceptable:
try
{
var content = await result.Content.ReadAsStringAsync();
result.Dispose();
return(Deserialize <TResult>(content));
}
catch (Exception ex)
{
throw new NotFoundException(request.RequestUri.ToString(), ex);
}
case HttpStatusCode.NotFound:
throw new NotFoundException(request.RequestUri.ToString());
case HttpStatusCode.NoContent:
throw new NoContentException("NoContent");
case HttpStatusCode.Accepted:
case HttpStatusCode.Created:
case HttpStatusCode.OK:
var contents = await result.Content.ReadAsStringAsync();
result.Dispose();
return(Deserialize <TResult>(contents));
default:
result.Dispose();
throw new NetworkException(request.RequestUri.ToString());
}
}
public static RestParameters AddPagingParameters(this RestParameters parameters, int pageNumber, int pageSize)
{
parameters.AddParameter("page", pageNumber);
parameters.AddParameter("size", pageSize);
return(parameters);
}