public string GetAccessToken(string userMailId)
{
IZohoPersistenceHandler persistenceHandler = ZohoOAuth.GetPersistenceHandlerInstance();
ZohoOAuthTokens tokens;
try
{
ZCRMLogger.LogInfo("Retreiving access token..");
tokens = persistenceHandler.GetOAuthTokens(userMailId);
}
catch (Exception e) when(!(e is ZohoOAuthException))
{
ZCRMLogger.LogError("Exception while fetching tokens from persistence" + e);
throw new ZohoOAuthException(e);
}
try
{
return(tokens.AccessToken);
}
catch (ZohoOAuthException)
{
ZCRMLogger.LogInfo("Access Token expired, Refreshing Access token");
tokens = RefreshAccessToken(tokens.RefreshToken, userMailId);
}
return(tokens.AccessToken);
}
public string GenerarGranToken()
{
try
{
//ServicePointManager.ServerCertificateValidationCallback = ValidateRemoteCertificate;
WebRequest request = WebRequest.Create(ZohoOAuth.GetLoginZohoURL());
request.Method = "POST";
byte[] byteArray = Encoding.UTF8.GetBytes(ZohoOAuth.GetIAMUrl());
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = byteArray.Length;
Stream dataStream = request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse response = request.GetResponse();
dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream);
string responseFromServer = reader.ReadToEnd();
reader.Close();
dataStream.Close();
response.Close();
return(responseFromServer);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public string GetUserMailIdv2(string accessToken)
{
try
{
Dictionary <string, string> requestParams = new Dictionary <string, string>();
HttpClient http = new HttpClient();
requestParams.Add("client_id", oAuthParams.ClientId);
requestParams.Add("client_secret", oAuthParams.ClientSecret);
requestParams.Add("redirect_uri", oAuthParams.RedirectURL);
JObject JsonObject = new JObject();
JsonObject.Add(new JProperty("client_id", oAuthParams.ClientId));
JsonObject.Add(new JProperty("client_secret", oAuthParams.ClientSecret));
JsonObject.Add(new JProperty("redirect_uri", oAuthParams.RedirectURL));
StringContent oString = new StringContent(JsonObject.ToString());
http.DefaultRequestHeaders.Add("authorization", ZohoOAuthConstants.AuthHeaderPrefix + accessToken);
HttpResponseMessage response = http.PostAsync(ZohoOAuth.GetUserInfoURL(), oString).Result;
string res = response.Content.ReadAsStringAsync().Result;
return(res);
}
catch (Exception) { throw; }
}
//TODO: Create ZohoOAuthException class and change the throw exception class;
public ZohoOAuthTokens RefreshAccessToken(string refreshToken, string userMailId)
{
if (refreshToken == null)
{
throw new ZohoOAuthException("Refresh token is not provided");
}
try
{
ZohoHTTPConnector conn = GetZohoConnector(ZohoOAuth.GetRefreshTokenURL());
conn.AddParam(ZohoOAuthConstants.GRANT_TYPE, ZohoOAuthConstants.REFRESH_TOKEN);
conn.AddParam(ZohoOAuthConstants.REFRESH_TOKEN, refreshToken);
string response = conn.Post();
JObject responseJSON = JObject.Parse(response);
if (responseJSON.ContainsKey(ZohoOAuthConstants.ACCESS_TOKEN))
{
ZohoOAuthTokens tokens = GetTokensFromJSON(responseJSON);
tokens.RefreshToken = refreshToken;
tokens.UserMaiilId = userMailId;
ZohoOAuth.GetPersistenceHandlerInstance().SaveOAuthTokens(tokens);
return(tokens);
}
throw new ZohoOAuthException("Exception while fetching access tokens from Refresh Token" + response);
}
catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
public static void Initialize(bool initOAuth,
Stream configStream,
Dictionary <string, string> configData)
{
Assembly assembly = Assembly.GetAssembly(typeof(ZCRMConfigUtil));
//ConfigProperties =
// CommonUtil.GetFileAsDict(
// assembly.GetManifestResourceStream(assembly.GetName().Name + ".Resources.configuration.txt"));
// Stream st = new Stream;
ConfigProperties =
CommonUtil.GetFileAsDict(File.Open(@"D:\Github\configuration.txt", FileMode.Open));
if (configStream == null && configData == null)
{
Dictionary <string, string> keyValuePairs = CommonUtil.GetConfigFileAsDict("zcrm_configuration");
foreach (KeyValuePair <string, string> keyValues in keyValuePairs)
{
ConfigProperties[keyValues.Key] = keyValues.Value;
}
}
if (configStream != null)
{
configData = CommonUtil.GetFileAsDict(configStream);
configStream = null;
}
if (configData != null)
{
AddConfigurationData(configData);
}
ZCRMLogger.Init();
if (initOAuth)
{
HandleAuthentication = true;
try
{
ZohoOAuth.Initialize(ConfigProperties.ContainsKey(APIConstants.DOMAIN_SUFFIX) ? (string)ConfigProperties[APIConstants.DOMAIN_SUFFIX] : null, configData);
if (ConfigProperties.ContainsKey(APIConstants.DOMAIN_SUFFIX))
{
SetAPIBaseUrl(ConfigProperties[APIConstants.DOMAIN_SUFFIX]);
}
}
catch (Exception e)
{
throw new ZCRMException(e);
}
}
ZCRMLogger.LogInfo("C# Client Library Configuration Properties : " + CommonUtil.DictToString(ConfigProperties));
}
public void GetToken()
{
//ZCRMRestClient.Initialize(Dictionary.config);
//ZohoOAuthClient client = ZohoOAuthClient.GetInstance();
ZohoOAuthClient.Initialize();
ZCRMRestClient.Initialize(null);
ZohoOAuthClient client = ZohoOAuthClient.GetInstance();
//ZohoOAuthParams param = new ZohoOAuthParams();
//param.ClientId = "1000.BT8QS94IIA8278417LUKT1DE7XXBFH";
//param.ClientSecret = "e319f52223bc374d77c65ab410587593cf3ae7e20c";
//param.RedirectURL = "https://zohoapis.zoho.com/";
//param.AccessType = "code";
//param.Scopes = "ZohoCRM.modules.all";
///ZohoOAuthClient client = new ZohoOAuthClient(param);
string grantToken = "1000.a25f043b256bcdcab5804a0cec61c684.ba747fb495a81327a9d78b0e2a1d052f";
// ZohoOAuthTokens tokens = client.GenerateAccessToken(grantToken);
//string accessToken = tokens.AccessToken;
//string refreshToken = tokens.RefreshToken;
try
{
var conn = client.GetZohoConnector(ZohoOAuth.GetTokenURL());
conn.AddParam(ZohoOAuthConstants.GRANT_TYPE, ZohoOAuthConstants.GRANT_TYPE_AUTH_CODE);
conn.AddParam(ZohoOAuthConstants.CODE, grantToken);
string response = conn.Post();
string v = string.Empty;
JObject responseJSON = JObject.Parse(response);
//if (responseJSON.ContainsKey(ZohoOAuthConstants.ACCESS_TOKEN))
//{
// ZohoOAuthTokens tokens = client.GetTokensFromJSON(responseJSON);
// tokens.UserMaiilId = client.GetUserMailId(tokens.AccessToken);
// ZohoOAuth.GetPersistenceHandlerInstance().SaveOAuthTokens(tokens);
// string accessToken = tokens.AccessToken;
// string refreshToken = tokens.RefreshToken;
// //return tokens;
//}
//throw new ZohoOAuthException("Exception while fetching Access Token from grant token" + response);
}
catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
/// <summary>
/// To get access token from grantToken.
/// </summary>
/// <returns>ZohoOAuthTokens class instance.</returns>
/// <param name="grantToken">Grant token (String) of the oauth client</param>
public ZohoOAuthTokens GenerateAccessToken(string grantToken)
{
if (grantToken == null || grantToken.Length == 0)
{
MessageBox.Show("Grant Type is not provided");
new ZohoOAuthException("Grant Type is not provided");
return(null);
}
try
{
var conn = GetZohoConnector(ZohoOAuth.GetTokenURL());
conn.AddParam(ZohoOAuthConstants.GRANT_TYPE, ZohoOAuthConstants.GRANT_TYPE_AUTH_CODE);
conn.AddParam(ZohoOAuthConstants.CODE, grantToken);
string response = conn.Post();
JObject responseJSON = JObject.Parse(response);
if (responseJSON.ContainsKey(ZohoOAuthConstants.ACCESS_TOKEN))
{
ZohoOAuthTokens tokens = GetTokensFromJSON(responseJSON);
//tokens.UserMaiilId = GetUserMailId(tokens.AccessToken);
//tokens.UserMaiilId = GetUserMailIdv2(tokens.AccessToken);
tokens.UserMaiilId = ZCRMConfigUtil.ConfigProperties["currentUserEmail"];
ZohoOAuth.GetPersistenceHandlerInstance().SaveOAuthTokens(tokens);
return(tokens);
}
MessageBox.Show("Exception while fetching Access Token from grant token" + response);
new ZohoOAuthException("Exception while fetching Access Token from grant token" + response);
return(null);
}
catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
//TODO: the method throws three exceptions and check for null exception on access_token.
public string GetUserMailId(string accessToken)
{
try
{
ZohoHTTPConnector conn = new ZohoHTTPConnector()
{
Url = ZohoOAuth.GetUserInfoURL()
};
//conn.AddHeader("Authorization", ZohoOAuthConstants.AuthHeaderPrefix + accessToken);
conn.AddHeader("Authorization", ZohoOAuthConstants.Bearer + accessToken);
string response = conn.Get();
JObject responseJSON = JObject.Parse(response);
if (response == null)
{
return(null);
}
else
{
return(responseJSON["Email"].ToString());
}
}
catch (WebException) { throw; }
}
