/// <summary>
/// Performs a DELETE request and returns the response body and its status code.
/// </summary>
/// <param name="url">The target URL.</param>
/// <param name="expectedStatusCodes">The expected status codes. All other status codes trigger an exception.</param>
/// <exception cref="MoodleLtiException">Thrown when an unexpected HTTP status code is returned.</exception>
private async Task <(string responseBody, HttpStatusCode statusCode)> DoDeleteRequestAsync(string url, HttpStatusCode[] expectedStatusCodes)
{
// Sign request object
var reqMessage = new HttpRequestMessage(HttpMethod.Delete, url)
{
Content = new StringContent(string.Empty)
};
await SecuredClient.SignRequest(_httpClient, reqMessage, _consumerKey, _sharedSecret, SignatureMethod.HmacSha1);
// Send HTTP request and retrieve response
using var response = await _httpClient.SendAsync(reqMessage);
string responseBody = await response.ReadBody();
if (expectedStatusCodes.Contains(response.StatusCode))
{
return(responseBody, response.StatusCode);
}
// An error occured
throw CreateExceptionFromFailedRequest(
response.StatusCode,
expectedStatusCodes,
response.RequestMessage.Headers.ToString(),
string.Empty,
response.Headers.ToString(),
responseBody
);
}
/// <summary>
/// Performs a GET request and returns the response body and its status code.
/// </summary>
/// <param name="url">The target URL.</param>
/// <param name="expectedContentType">The expected response content type.</param>
/// <param name="expectedStatusCodes">The expected status codes. All other status codes trigger an exception.</param>
/// <exception cref="MoodleLtiException">Thrown when an unexpected HTTP status code is returned.</exception>
private async Task <(string responseBody, HttpStatusCode statusCode)> DoGetRequestAsync(string url, string expectedContentType, HttpStatusCode[] expectedStatusCodes)
{
// Assign content type
_httpClient.DefaultRequestHeaders.Accept.Clear();
_httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(expectedContentType));
// Sign request object
var reqMessage = new HttpRequestMessage(HttpMethod.Get, url)
{
Content = new StringContent(string.Empty)
};
await SecuredClient.SignRequest(_httpClient, reqMessage, _consumerKey, _sharedSecret, SignatureMethod.HmacSha1);
// Send HTTP request and retrieve response
using var response = await _httpClient.SendAsync(reqMessage);
string responseBody = await response.ReadBody();
if (expectedStatusCodes.Contains(response.StatusCode))
{
return(responseBody, response.StatusCode);
}
// An error occured
throw CreateExceptionFromFailedRequest(
response.StatusCode,
expectedStatusCodes,
response.RequestMessage.Headers.ToString(),
string.Empty,
response.Headers.ToString(),
responseBody
);
}
public async System.Threading.Tasks.Task HeaderContainsSHA256_IfSignatureMethodParamSetToSHA256()
{
//arrange
var httpClient = new HttpClient();
//act
await SecuredClient.SignRequest(httpClient, new HttpMethod("GET"), "https://www.test.com/membership", new StringContent("", System.Text.Encoding.UTF8), "TestConsumerKey",
"TestConsumerSecret", SignatureMethod.HmacSha256);
//assert
Assert.NotNull(httpClient);
Assert.NotNull(httpClient.DefaultRequestHeaders);
Assert.NotNull(httpClient.DefaultRequestHeaders.Authorization);
var headervalues = httpClient.DefaultRequestHeaders.Authorization.Parameter;
var headerValuesList = headervalues.Split(',');
Assert.True(headervalues.Contains("oauth_signature_method=\"HMAC-SHA256\""));
}
