public void TestInitilaize()
{
_webClientSampleCode=new WebClientSampleCode(BaseUrl,TokenEndpoint,
EndpointAllStudents,EndpointStudentByIdentity,EndpointStudentByStatetestnumber);
_token = _webClientSampleCode.GetToken();
}
public Token RefreshToken(Token token = null)
{
if (token == null)
{
token = GetToken();
}
if (token == null || string.IsNullOrWhiteSpace(token.RefreshToken))
{
return null;
}
// web client
var client = new System.Net.WebClient();
// add headers
client.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
string credentials = Convert.ToBase64String(
Encoding.ASCII.GetBytes(string.Format("{0}:{1}", _credentials.ClientId, _credentials.ClientSecret)));
client.Headers[HttpRequestHeader.Authorization] = string.Format("Basic {0}", credentials);
// refresh token request doesn't need "username" and "password"
var postVaules = new NameValueCollection
{
{"grant_type", GrantTpype.RefreshToken},
{"refresh_token", token.RefreshToken}
};
try
{
byte[] result = client.UploadValues(TokenUrl, "POST", postVaules);
var jsonData = Encoding.UTF8.GetString(result);
var refreshToken = JsonConvert.DeserializeObject<Token>(jsonData);
return refreshToken;
}
catch (WebException ex)
{
if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.BadRequest)
{
throw new WebException("Failed to request access token");
}
}
return null;
}
public ResponseData<ChildInfo> GetStudentByStatetestnumber(Token token)
{
return GetStudentsByEndpoint(GetUri(_baseUrl, _endpointStudentByStatetestnumber), token);
}
public ResponseData<ChildInfo> GetStudentByIdentity(Token token)
{
return GetStudentsByEndpoint(GetUri(_baseUrl, _endpointStudentByIdentity), token);
}
public ResponseData<ChildInfo> GetAllStudents(Token token)
{
return GetStudentsByEndpoint(GetUri(_baseUrl, _endpointAllStudents),token);
}
private ResponseData<ChildInfo> GetStudentsByEndpoint(Uri serviceUri, Token token)
{
// web client
var client = new System.Net.WebClient();
client.Headers["Content-type"] = "application/json";
client.Headers[HttpRequestHeader.Authorization] = string.Format("{0} {1}", TokenType, token.AccessToken);
try
{
return DownloadStudents(serviceUri, client);
}
catch (WebException wex)
{
if (((HttpWebResponse)wex.Response).StatusCode == HttpStatusCode.Unauthorized)
{
// validate token failed, need to refresh token
token = RefreshToken(token);
client.Headers[HttpRequestHeader.Authorization] = string.Format("{0} {1}", TokenType, token.AccessToken);
return DownloadStudents(serviceUri, client); ;
}
}
return null;
}
