private void AuthenticateRequest()
{
try
{
if (ZCRMConfigUtil.HandleAuthentication)
{
string accessToken = (string)(Type.GetType(ZCRMConfigUtil.GetAuthenticationClass()).GetMethod("GetAccessToken", BindingFlags.Static | BindingFlags.Public).Invoke(null, null));
if (accessToken == null)
{
ZCRMLogger.LogError("Access token is not set");
throw new ZCRMException(APIConstants.AUTHENTICATION_FAILURE, "Access token is not set");
}
SetHeader("Authorization", APIConstants.authHeaderPrefix + accessToken);
ZCRMLogger.LogInfo("Token fetched successfully..");
}
}
catch (TargetInvocationException e)
{
ZCRMLogger.LogError(e.GetBaseException());
if (e.GetBaseException() is ZCRMException)
{
throw (ZCRMException)(e.GetBaseException());
}
throw new ZCRMException(e.GetBaseException());
}
catch (Exception e) when(e is TargetException || e is MethodAccessException)
{
ZCRMLogger.LogError(e);
throw new ZCRMException(e);
}
}
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);
}
//TODO: Throw Exceptions
public string Get()
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.UserAgent = "Mozilla/5.0";
if (RequestHeaders != null && RequestHeaders.Count != 0)
{
foreach (KeyValuePair <string, string> header in RequestHeaders)
{
request.Headers[header.Key] = header.Value;
}
}
ZCRMLogger.LogInfo("GET - " + APIConstants.URL + " = " + url + ", " + APIConstants.HEADERS + " = " + CommonUtil.DictToString(RequestHeaders) + ", " + APIConstants.PARAMS + " = " + CommonUtil.DictToString(requestParams));
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string responseString = "";
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
responseString = reader.ReadToEnd();
}
ZCRMLogger.LogInfo(APIConstants.STATUS_CODE + " = " + response.StatusCode + ", " + APIConstants.RESPONSE_JSON + " = " + responseString);
return(responseString);
}catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
//TODO: Handle Exceptions <IMPORTANT = Handle UploadFile method in APIRequest>;
public APIResponse UploadAttachment(string filePath)
{
//TODO: Validate File <IMPORTANT>
try
{
requestMethod = APIConstants.RequestMethod.POST;
urlPath = $"{parentRecord.ModuleAPIName}/{parentRecord.EntityId}/{relatedList.ApiName}";
ZCRMLogger.LogInfo("urlPath : " + urlPath);
APIResponse response = APIRequest.GetInstance(this).UploadFile(filePath);
JArray responseDataArray = (JArray)response.ResponseJSON.GetValue("data");
JObject responseData = (JObject)responseDataArray[0];
JObject responseDetails = (JObject)responseData.GetValue("details");
response.Data = GetZCRMAttachment(responseDetails);
return(response);
}
catch (Exception e)
{
//TODO: Log the exception;
Console.WriteLine("Exception in UploadAttachment");
Console.WriteLine(e);
throw new ZCRMException("ZCRM_INTERNAL_ERROR");
}
}
public static void Initialize(string domainSuffix, Dictionary <string, string> configData)
{
try
{
if (configData == null)
{
AddConfigurationData("oauth_configuration");
}
else
{
AddConfigurationData(configData);
}
List <string> MandatoryKeys = new List <string>()
{
ZohoOAuthConstants.CLIENT_ID, ZohoOAuthConstants.CLIENT_SECRET, ZohoOAuthConstants.PERSISTENCE_HANDLER_CLASS, ZohoOAuthConstants.REDIRECT_URL
};
foreach (string key in MandatoryKeys)
{
if (ConfigProperties.ContainsKey(key))
{
if (string.IsNullOrEmpty(ConfigProperties[key]) || string.IsNullOrWhiteSpace(ConfigProperties[key]))
{
throw new ZCRMException(key + " value is not set");
}
}
else
{
throw new ZCRMException(key + " is Mandatory");
}
}
//set iamURL from ConfigProperties
if (ConfigProperties.ContainsKey(ZohoOAuthConstants.IAM_URL))
{
if (string.IsNullOrEmpty(ConfigProperties[ZohoOAuthConstants.IAM_URL]) || string.IsNullOrWhiteSpace(ConfigProperties[ZohoOAuthConstants.IAM_URL]))
{
SetIAMUrl(domainSuffix);
}
}
else
{
SetIAMUrl(domainSuffix);
}
ZohoOAuthParams oAuthParams = new ZohoOAuthParams()
{
ClientId = GetConfigValue(ZohoOAuthConstants.CLIENT_ID),
ClientSecret = GetConfigValue(ZohoOAuthConstants.CLIENT_SECRET),
AccessType = GetConfigValue(ZohoOAuthConstants.ACCESS_TYPE) ?? "offline",
RedirectURL = GetConfigValue(ZohoOAuthConstants.REDIRECT_URL)
};
ZohoOAuthClient.GetInstance(oAuthParams);
ZCRMLogger.LogInfo("Zoho OAuth Client Library configuration properties: " + CommonUtil.DictToString(ConfigProperties));
}
catch (KeyNotFoundException e)
{
ZCRMLogger.LogError("Exception while initializing Zoho OAuth Client .. Essential configuration data not found");
throw new ZohoOAuthException(e);
}
}
public CommonAPIResponse(int statusCode, string responseString, WebHeaderCollection headers)
{
SetResponseHeaders(headers);
Init(statusCode, responseString);
ProcessResponse();
ZCRMLogger.LogInfo(ToString());
}
public CommonAPIResponse(HttpWebResponse response)
{
Response = response;
Init();
ProcessResponse();
SetResponseHeaders();
ZCRMLogger.LogInfo(ToString());
}
//TODO: Change the access-modifier to internal;
public string Post()
{
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
string postData = null;
if (requestParams.Count != 0)
{
foreach (KeyValuePair <string, string> param in requestParams)
{
if (postData == null)
{
postData = param.Key + "=" + param.Value;
}
else
{
postData += "&" + param.Key + "=" + param.Value;
}
}
}
request.UserAgent = "Mozilla/5.0";
var data = Encoding.UTF8.GetBytes(postData);
if (RequestHeaders.Count != 0)
{
foreach (KeyValuePair <string, string> header in RequestHeaders)
{
if (header.Value != null && string.IsNullOrEmpty(header.Value))
{
request.Headers[header.Key] = header.Value;
}
}
}
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
request.Method = "POST";
using (var dataStream = request.GetRequestStream())
{
dataStream.Write(data, 0, data.Length);
}
ZCRMLogger.LogInfo("POST - " + APIConstants.URL + " = " + url + ", " + APIConstants.HEADERS + " = " + CommonUtil.DictToString(RequestHeaders) + ", " + APIConstants.PARAMS + " = " + CommonUtil.DictToString(requestParams));
var response = (HttpWebResponse)request.GetResponse();
string responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
ZCRMLogger.LogInfo(APIConstants.STATUS_CODE + " = " + response.StatusCode + ", " + APIConstants.RESPONSE_JSON + " = " + responseString);
return(responseString);
}catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
public string GetFileName()
{
ZCRMLogger.LogInfo("Content-Type = " + Response.Headers["Content-Type"]);
string fileMetaData = Response.Headers["Content-Disposition"];
string fileName = fileMetaData.Split(new string[] { "=" }, StringSplitOptions.None)[1];
if (fileName.Contains("''"))
{
fileName = fileName.Split(new string[] { "''" }, StringSplitOptions.None)[1];
}
return(fileName);
}
public CommonAPIResponse(HttpWebResponse response)
{
try
{
Response = response;
Init();
ProcessResponse();
SetResponseHeaders();
ZCRMLogger.LogInfo(ToString());
}
catch (Exception)
{
ZCRMLogger.LogInfo(ToString());
}
}
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"));
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));
}
private HttpWebResponse GetResponseFromServer()
{
try
{
PopulateRequestHeaders(ZCRMRestClient.StaticHeaders);
if (ZCRMRestClient.DYNAMIC_HEADERS.IsValueCreated)
{
PopulateRequestHeaders(ZCRMRestClient.GetDynamicHeaders());
}
else
{
AuthenticateRequest();
}
SetQueryParams();
HttpWebRequest request = GetHttpWebRequestClient();
SetHeaders(ref request);
SetRequestMethod(request);
ZCRMLogger.LogInfo(ToString());
HttpWebResponse response;
try
{
response = (HttpWebResponse)request.GetResponse();
}
catch (WebException e)
{
if (e.Response == null)
{
throw;
}
response = (HttpWebResponse)e.Response;
}
APIStats.UpdateStats(response);
return(response);
}
catch (WebException e)
{
ZCRMLogger.LogError(e);
throw new ZCRMException(e);
}
}
public static IZohoPersistenceHandler GetPersistenceHandlerInstance()
{
try
{
string classAssemblyName;
try
{
classAssemblyName = GetConfigValue(ZohoOAuthConstants.PERSISTENCE_HANDLER_CLASS);
}
catch (KeyNotFoundException) {
ZCRMLogger.LogInfo("Persistence Handler not specified. Hence using the default implementation.");
classAssemblyName = ZohoOAuthConstants.DEFAULT_PERSISTENCE_HANDLER;
}
return((IZohoPersistenceHandler)Activator.CreateInstance(Type.GetType(classAssemblyName)));
}
catch (Exception e) when(e is ArgumentNullException)
{
ZCRMLogger.LogError(e);
throw new ZohoOAuthException(e);
}
}
//TODO: Throw ZohoOAuthException ;
public string GetAccessToken(string userMailId)
{
IZohoPersistenceHandler persistenceHandler = ZohoOAuth.GetPersistenceHandlerInstance();
ZohoOAuthTokens tokens;
try{
Console.WriteLine("Getting tokens");
tokens = persistenceHandler.GetOAuthTokens(userMailId);
}catch (Exception e) {
Console.WriteLine("Exception while retrieving tokens from persistence " + e.Message);
throw;
}
try
{
return(tokens.AccessToken);
}catch (Exception e) {
Console.WriteLine(e.Message);
ZCRMLogger.LogInfo("Access Token expired, Refreshing Access token");
tokens = RefreshAccessToken(tokens.RefreshToken, userMailId);
}
return(tokens.AccessToken);
}
public APIResponse UploadAttachment(string filePath)
{
CommonUtil.ValidateFile(filePath);
try
{
requestMethod = APIConstants.RequestMethod.POST;
urlPath = parentRecord.ModuleAPIName + "/" + parentRecord.EntityId + "/" + relatedList.ApiName;
ZCRMLogger.LogInfo("urlPath : " + urlPath);
APIResponse response = APIRequest.GetInstance(this).UploadFile(filePath);
JArray responseDataArray = (JArray)response.ResponseJSON[APIConstants.DATA];
JObject responseData = (JObject)responseDataArray[0];
JObject responseDetails = (JObject)responseData[APIConstants.DETAILS];
response.Data = GetZCRMAttachment(responseDetails);
return(response);
}
catch (Exception e) when(!(e is ZCRMException))
{
ZCRMLogger.LogError(e);
throw new ZCRMException(APIConstants.SDK_ERROR, e);
}
}
protected override void ProcessDataResponse()
{
JObject msgJSON = ResponseJSON;
if (msgJSON.ContainsKey(APIConstants.DATA))
{
JArray recordsArray = (JArray)ResponseJSON.GetValue(APIConstants.DATA);
msgJSON = (JObject)recordsArray[0];
}
if (msgJSON.ContainsKey(APIConstants.TAGS))
{
JArray tagsArray = (JArray)ResponseJSON.GetValue(APIConstants.TAGS);
msgJSON = (JObject)tagsArray[0];
}
if (msgJSON.ContainsKey(APIConstants.USERS))
{
JArray usersArray = (JArray)ResponseJSON.GetValue(APIConstants.USERS);
msgJSON = (JObject)usersArray[0];
}
if (msgJSON.ContainsKey(APIConstants.MESSAGE))
{
Message = msgJSON.GetValue(APIConstants.MESSAGE).ToString();
}
if (msgJSON.ContainsKey(APIConstants.STATUS))
{
Status = msgJSON.GetValue(APIConstants.STATUS).ToString();
if (Status.Equals(APIConstants.CODE_ERROR))
{
if (msgJSON.ContainsKey(APIConstants.DETAILS))
{
//TODO: Inspect the working of this part;
throw new ZCRMException(true, (int)HttpStatusCode.Value, msgJSON.GetValue(APIConstants.CODE).ToString(), Message, msgJSON.GetValue(APIConstants.DETAILS) as JObject);
}
throw new ZCRMException(true, (int)HttpStatusCode.Value, msgJSON.GetValue(APIConstants.CODE).ToString(), Message);
}
}
//NOTE: For the user photo download method.
else if (msgJSON.ContainsKey("status_code"))
{
Status = msgJSON["status_code"].ToString();
if (msgJSON.ContainsKey("errors"))
{
JArray errorDetails = (JArray)msgJSON["errors"];
throw new ZCRMException(true, (int)HttpStatusCode.Value, HttpStatusCode.Value.ToString(), "Status_code :" + (string)msgJSON["status_code"] + ", Error details: " + errorDetails[0]["code"] + ", Resource :" + errorDetails[0]["resource"]);
}
throw new ZCRMException(true, (int)HttpStatusCode.Value, HttpStatusCode.Value.ToString(), "Status_code :" + (string)msgJSON["status_code"] + msgJSON.ToString());
}
//NOTE : while uploading the file if the org id is wrong the below else-if block will handle it.
else if (msgJSON.ContainsKey("x-error"))
{
ZCRMLogger.LogInfo(ToString());
JToken infoMessageToken = msgJSON.GetValue("info");
string infoMessage = null;
if (infoMessageToken != null && infoMessageToken.Type != JTokenType.Null)
{
infoMessage = infoMessageToken.ToString();
}
throw new ZCRMException(true, (int)HttpStatusCode.Value, HttpStatusCode.Value.ToString(), infoMessage, msgJSON);
}
}
