/// <summary>
/// Uses reflection to infer parameters from the request object and
/// adds them to a web request
/// </summary>
/// <param name="webRequest">web request to receive parameters</param>
internal void BuildRequestParameters(TelekomWebRequest webRequest)
{
PropertyInfo[] properties = this.GetType()
.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
foreach (PropertyInfo property in properties)
{
HttpParameterAttribute httpParamAttribute = property
.GetCustomAttributes(typeof(HttpParameterAttribute), false)
.SingleOrDefault() as HttpParameterAttribute;
NoHttpParameterAttribute noHttpParamAttribute = property
.GetCustomAttributes(typeof(NoHttpParameterAttribute), false)
.SingleOrDefault() as NoHttpParameterAttribute;
// Check for opt-out serialization attribute
if (noHttpParamAttribute == null)
{
string parameterName;
// Name overwritten?
if (httpParamAttribute != null)
{
parameterName = httpParamAttribute.Name;
}
else
{
// Infer parameter name from property and change the
// first letter to lower-case: OwnerId -> ownerId
parameterName = property.Name[0].ToString().ToLower()
+ property.Name.Substring(1);
}
object value = property.GetValue(this, null);
// Only add defined values
if (value != null)
{
// Determin actual type to allow specific serialization
Type actualType = Nullable.GetUnderlyingType(property.PropertyType);
if (actualType == null)
actualType = property.PropertyType;
// Replace enum value if EnumMember attribute is specified
if (actualType.IsEnum)
{
FieldInfo enumFieldInfo = actualType.GetField(value.ToString());
EnumMemberAttribute enumMemberAttrib =
enumFieldInfo.GetCustomAttributes(typeof(EnumMemberAttribute), false)
.SingleOrDefault()
as EnumMemberAttribute;
// Enum value overwritten with EnumMember attribute?
if (enumMemberAttrib != null)
{
value = enumMemberAttrib.Value;
}
else
{
value = (int)enumFieldInfo.GetValue(property);
}
}
// Convert bool to string
if (actualType.Equals(typeof(bool)))
{
value = (bool)value ? "true" : "false";
}
// Convert DateTime to the expected format
if (actualType.Equals(typeof(DateTime)))
{
// Note: Since the service returns times in UTC that is converted to local time
// by .NET, we automatically convert it the other way round
value = ((DateTime)value)
.ToUniversalTime()
.ToString("s", System.Globalization.CultureInfo.InvariantCulture);
// Add UTC suffix
value += "Z";
}
if (actualType.Equals(typeof(Stream)))
{
webRequest.AddParameter(parameterName, (Stream)value);
}
else
{
webRequest.AddParameter(parameterName, value.ToString());
}
}
}
}
}
private TelekomWebRequest CreateRequestRevokeWebRequest()
{
if (!HasRefreshToken())
throw new InvalidOperationException("Cannot revoke without a refresh token");
string uri = BaseUrl + "/revoke";
var request = new RevokeRequest()
{
ClientId = ClientId,
ClientSecret = ClientSecret,
Token = RefreshToken,
TokenType = "refresh_token"
};
var webRequest = new TelekomWebRequest(uri, HttpMethod.POST);
request.BuildRequestParameters(webRequest);
return webRequest;
}
/// <summary>
/// Prepare a web request to STS server
/// </summary>
/// <returns></returns>
private TelekomWebRequest CreateTokenRequest()
{
TelekomWebRequest request = new TelekomWebRequest(Url, HttpMethod.GET);
request.Credentials = new NetworkCredential(username, password);
request.Accept = "text/plain";
return request;
}
