/// <summary>
/// Detects whether the Snip2Code web service is alive or not
/// </summary>
/// <returns></returns>
public bool PingS2CServer(string pingUrl)
{
bool res = false;
using (S2cWebClient client = new S2cWebClient(10000, this.m_requestFormat))
{
try
{
string retStr = client.DownloadString(pingUrl);
S2CResObj <object> boolResp = S2CSerializer.DeserializeObj(retStr, this.m_requestFormat);
if ((boolResp != null) && (boolResp.Status == ErrorCodes.OK))
{
if (!bool.TryParse(boolResp.Data.ToString(), out res))
{
res = false;
}
}
}
catch (Exception e)
{
//log.DebugFormat("Cannot connect due to {0}; response is {1}", e, (response == null ? "null" : response.StatusCode.ToString()));
log.DebugFormat("Cannot connect due to {0}", e);
}
}
log.Debug("CheckConnections result=" + res);
return(res);
}
/// <summary>
/// Login into the web server using OneAll system in order to be ready to send web service requests
/// </summary>
/// <param name="identToken"></param>
public UserClient LoginWithOneAll(string identToken)
{
if (identToken.IsNullOrWhiteSpaceOrEOF())
{
return(new UserClient(false));
}
string postData = "identToken=" + identToken;
// now post to the login form
#if USE_OAUTH
//check the validity of Access Token:
if (AccessTokenInvalid())
{
//maybe in the future we can also refresh the token instead of creating a new one after the expiration...
if (!ReceiveAccessToken(User.ONEALL_FAKE_USERNAME, identToken))
{
return(new UserClient(false));
}
}
string loginUrl = string.Format("{0}{1}?{2}", BaseWS.Server, OAUTH_ONEALL_LOGIN_URL, postData);
string response = SendGetRequest(loginUrl, true);
#else
string loginUrl = string.Format("{0}{1}", BaseWS.Server, LOGIN_ONEALL_URL);
string response = SendPostRequest(loginUrl, postData, false);
#endif
S2CResBaseEntity <UserClient> resp = null;
if (string.IsNullOrEmpty(response))
{
resp = new S2CResBaseEntity <UserClient>(-1, ErrorCodes.COMMUNICATION_ERROR, null);
}
else
{
resp = S2CSerializer.DeserializeBaseEntity <UserClient>(response, m_requestFormat);
}
//check that the authentication request has been correctly received:
m_isLogged = ((m_cookies != null) && (m_cookies.Count > 0) && (resp != null) &&
(resp.Status == ErrorCodes.OK) && (resp.Data != null));
if ((resp != null) && (resp.Status == ErrorCodes.FAIL))
{
return(new UserClient(false));
}
if (resp == null)
{
return(null);
}
else
{
return(resp.Data);
}
}
/// <summary>
/// Perform a logout operation on the server for the current user
/// </summary>
/// <returns></returns>
public bool Logout()
{
string logoutUrl = string.Format("{0}{1}", BaseWS.Server, LOGOUT_URL);
string response = SendGetRequest(logoutUrl, true);
if (string.IsNullOrEmpty(response))
{
return(false);
}
S2CResObj <object> resp = S2CSerializer.DeserializeObj(response, m_requestFormat);
if ((resp != null) && (resp.Status == ErrorCodes.OK))
{
ResetLoginStatus();
return(true);
}
return(false);
}
/// <summary>
/// Login into the web server in order to be ready to send web service requests
/// </summary>
/// <param name="username"></param>
/// <param name="password"></param>
public UserClient Login(string username, string password)
{
string viewStateString = string.Empty;
#if NEED_VIEW_STATE
// first, request the login form to get the viewstate value
HttpWebRequest viewStateRequest = WebRequest.Create(loginUrl) as HttpWebRequest;
viewStateRequest.Accept = "application/xhtml+xml";
StreamReader responseReader = new StreamReader(viewStateRequest.GetResponse().GetResponseStream());
string responseData = responseReader.ReadToEnd();
responseReader.Close();
// extract the viewstate value and build out POST data
string viewState = ExtractViewState(responseData);
if (viewState != string.Empty)
{
viewStateString = string.Format("__VIEWSTATE={0}&", viewState);
}
#endif
string encryptedPsw = password.ComputeMD5HashSQLServerCompliant();
string postData = string.Format("{0}{1}={2}&{3}={4}&{5}={6}",
viewStateString,
USERNAME_TEXTBOX_NAME, HttpUtility.UrlEncode(username),
PASSWORD_TEXTBOX_NAME, HttpUtility.UrlEncode(encryptedPsw),
LOGIN_BUTTON_NAME, LOGIN_BUTTON_VALUE);
// now post to the login form
#if USE_OAUTH
//check the validity of Access Token:
if (AccessTokenInvalid())
{
//maybe in the future we can also refresh the token instead of creating a new one after the expiration...
if (!ReceiveAccessToken(username, encryptedPsw))
{
return(new UserClient(false));
}
}
string loginUrl = string.Format("{0}{1}?{2}", BaseWS.Server, OAUTH_LOGIN_URL, postData);
string response = SendGetRequest(loginUrl, true);
#else
string loginUrl = string.Format("{0}{1}", BaseWS.Server, LOGIN_URL);
string response = SendPostRequest(loginUrl, postData, false);
#endif
S2CResBaseEntity <UserClient> resp = null;
if (string.IsNullOrEmpty(response))
{
resp = new S2CResBaseEntity <UserClient>(-1, ErrorCodes.COMMUNICATION_ERROR, null);
}
else
{
resp = S2CSerializer.DeserializeBaseEntity <UserClient>(response, m_requestFormat);
}
//check that the authentication request has been correctly received:
m_isLogged = ((m_cookies != null) && (m_cookies.Count > 0) && (resp != null) &&
(resp.Status == ErrorCodes.OK) && (resp.Data != null));
if ((resp != null) && (resp.Status == ErrorCodes.FAIL))
{
return(new UserClient(false));
}
if (resp == null)
{
return(null);
}
else
{
return(resp.Data);
}
}