/// <summary>
/// Gets the graph exception if possible.
/// </summary>
/// <param name="result">The web request result object to check for exception information.</param>
/// <returns>A Facebook API exception or null.</returns>
internal static FacebookApiException GetGraphException(object result)
{
// Note: broke down GetGraphException into different method for unit testing.
FacebookApiException resultException = null;
if (result != null)
{
var responseDict = result as IDictionary <string, object>;
if (responseDict != null)
{
if (responseDict.ContainsKey("error"))
{
var error = responseDict["error"] as IDictionary <string, object>;
if (error != null)
{
var errorType = error["type"] as string;
var errorMessage = error["message"] as string;
// Check to make sure the correct data is in the response
if (!String.IsNullOrEmpty(errorType) && !String.IsNullOrEmpty(errorMessage))
{
// We don't include the inner exception because it is not needed and is always a WebException.
// It is easier to understand the error if we use Facebook's error message.
if (errorType == "OAuthException")
{
resultException = new FacebookOAuthException(errorMessage, errorType);
}
else if (errorType == "API_EC_TOO_MANY_CALLS" || (errorMessage != null && errorMessage.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(errorMessage, errorType);
}
else
{
resultException = new FacebookApiException(errorMessage, errorType);
}
}
}
}
}
}
return(resultException);
}
/// <summary>
/// Gets the rest exception if possible.
/// </summary>
/// <param name="result">The web request result object to check for exception information.</param>
/// <returns>The Facebook API exception or null.</returns>
internal static FacebookApiException GetRestException(object result)
{
// The REST API does not return a status that causes a WebException
// even when there is an error. For this reason we have to parse a
// successful response to see if it contains error information.
// If it does have an error message we throw a FacebookApiException.
FacebookApiException resultException = null;
if (result != null)
{
var resultDict = result as IDictionary <string, object>;
if (resultDict != null)
{
if (resultDict.ContainsKey("error_code"))
{
string error_code = resultDict["error_code"].ToString();
string error_msg = null;
if (resultDict.ContainsKey("error_msg"))
{
error_msg = resultDict["error_msg"] as string;
}
// Error Details: http://wiki.developers.facebook.com/index.php/Error_codes
if (error_code == "190")
{
resultException = new FacebookOAuthException(error_msg, error_code);
}
else if (error_code == "4" || error_code == "API_EC_TOO_MANY_CALLS" || (error_msg != null && error_msg.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(error_msg, error_code);
}
else
{
resultException = new FacebookApiException(error_msg, error_code);
}
}
}
}
return(resultException);
}
/// <summary>
/// Gets the rest exception if possible.
/// </summary>
/// <param name="result">The web request result object to check for exception information.</param>
/// <returns>The Facebook API exception or null.</returns>
internal static FacebookApiException GetRestException(object result)
{
// The REST API does not return a status that causes a WebException
// even when there is an error. For this reason we have to parse a
// successful response to see if it contains error information.
// If it does have an error message we throw a FacebookApiException.
FacebookApiException resultException = null;
if (result != null)
{
var resultDict = result as IDictionary<string, object>;
if (resultDict != null)
{
if (resultDict.ContainsKey("error_code"))
{
string error_code = resultDict["error_code"].ToString();
string error_msg = null;
if (resultDict.ContainsKey("error_msg"))
{
error_msg = resultDict["error_msg"] as string;
}
// Error Details: http://wiki.developers.facebook.com/index.php/Error_codes
if (error_code == "190")
{
resultException = new FacebookOAuthException(error_msg, error_code);
}
else if (error_code == "4" || error_code == "API_EC_TOO_MANY_CALLS" || (error_msg != null && error_msg.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(error_msg, error_code);
}
else
{
resultException = new FacebookApiException(error_msg, error_code);
}
}
}
}
return resultException;
}
/// <summary>
/// Gets the graph exception if possible.
/// </summary>
/// <param name="result">The web request result object to check for exception information.</param>
/// <returns>A Facebook API exception or null.</returns>
internal static FacebookApiException GetGraphException(object result)
{
// Note: broke down GetGraphException into different method for unit testing.
FacebookApiException resultException = null;
if (result != null)
{
var responseDict = result as IDictionary<string, object>;
if (responseDict != null)
{
if (responseDict.ContainsKey("error"))
{
var error = responseDict["error"] as IDictionary<string, object>;
if (error != null)
{
var errorType = error["type"] as string;
var errorMessage = error["message"] as string;
// Check to make sure the correct data is in the response
if (!String.IsNullOrEmpty(errorType) && !String.IsNullOrEmpty(errorMessage))
{
// We don't include the inner exception because it is not needed and is always a WebException.
// It is easier to understand the error if we use Facebook's error message.
if (errorType == "OAuthException")
{
resultException = new FacebookOAuthException(errorMessage, errorType);
}
else if (errorType == "API_EC_TOO_MANY_CALLS" || (errorMessage != null && errorMessage.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(errorMessage, errorType);
}
else
{
resultException = new FacebookApiException(errorMessage, errorType);
}
}
}
else
{
long? errorNumber = null;
if (responseDict["error"] is long)
errorNumber = (long)responseDict["error"];
if (errorNumber == null && responseDict["error"] is int)
errorNumber = (int)responseDict["error"];
string errorDescription = null;
if (responseDict.ContainsKey("error_description"))
errorDescription = responseDict["error_description"] as string;
if (errorNumber != null && !string.IsNullOrEmpty(errorDescription))
{
if (errorNumber == 190)
{
resultException = new FacebookOAuthException(errorDescription, "API_EC_PARAM_ACCESS_TOKEN");
}
else
{
resultException = new FacebookApiException(errorDescription, errorNumber.Value.ToString());
}
}
}
}
}
}
return resultException;
}
internal static Exception GetException(HttpHelper httpHelper, object result)
{
if (result == null)
{
return(null);
}
var responseDict = result as IDictionary <string, object>;
if (responseDict == null)
{
return(null);
}
FacebookApiException resultException = null;
if (httpHelper != null)
{
var response = httpHelper.HttpWebResponse;
var responseUri = response.ResponseUri;
// legacy rest api
if (responseUri.Host == "api.facebook.com" ||
responseUri.Host == "api-read.facebook.com" ||
responseUri.Host == "api-video.facebook.com" ||
responseUri.Host == "api.beta.facebook.com" ||
responseUri.Host == "api-read.beta.facebook.com" ||
responseUri.Host == "api-video.facebook.com")
{
if (responseDict.ContainsKey("error_code"))
{
string errorCode = responseDict["error_code"].ToString();
string errorMsg = null;
if (responseDict.ContainsKey("error_msg"))
{
errorMsg = responseDict["error_msg"] as string;
}
// Error Details: http://wiki.developers.facebook.com/index.php/Error_codes
if (errorCode == "190")
{
resultException = new FacebookOAuthException(errorMsg, errorCode);
}
else if (errorCode == "4" || errorCode == "API_EC_TOO_MANY_CALLS" ||
(errorMsg != null && errorMsg.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(errorMsg, errorCode);
}
else
{
resultException = new FacebookApiException(errorMsg, errorCode);
}
return(resultException);
}
return(null);
}
}
// graph api error
if (responseDict.ContainsKey("error"))
{
var error = responseDict["error"] as IDictionary <string, object>;
if (error != null)
{
var errorType = error["type"] as string;
var errorMessage = error["message"] as string;
int errorCode = 0;
if (error.ContainsKey("code"))
{
int.TryParse(error["code"].ToString(), out errorCode);
}
// Check to make sure the correct data is in the response
if (!string.IsNullOrEmpty(errorType) && !string.IsNullOrEmpty(errorMessage))
{
// We don't include the inner exception because it is not needed and is always a WebException.
// It is easier to understand the error if we use Facebook's error message.
if (errorType == "OAuthException")
{
resultException = new FacebookOAuthException(errorMessage, errorType, errorCode);
}
else if (errorType == "API_EC_TOO_MANY_CALLS" || (errorMessage.Contains("request limit reached")))
{
resultException = new FacebookApiLimitException(errorMessage, errorType);
}
else
{
resultException = new FacebookApiException(errorMessage, errorType, errorCode);
}
}
}
else
{
long?errorNumber = null;
if (responseDict["error"] is long)
{
errorNumber = (long)responseDict["error"];
}
if (errorNumber == null && responseDict["error"] is int)
{
errorNumber = (int)responseDict["error"];
}
string errorDescription = null;
if (responseDict.ContainsKey("error_description"))
{
errorDescription = responseDict["error_description"] as string;
}
if (errorNumber != null && !string.IsNullOrEmpty(errorDescription))
{
if (errorNumber == 190)
{
resultException = new FacebookOAuthException(errorDescription, "API_EC_PARAM_ACCESS_TOKEN");
}
else
{
resultException = new FacebookApiException(errorDescription, errorNumber.Value.ToString(CultureInfo.InvariantCulture));
}
}
}
}
return(resultException);
}
internal static Exception GetException(HttpHelper httpHelper, object result)
{
if (result == null)
return null;
var responseDict = result as IDictionary<string, object>;
if (responseDict == null)
return null;
FacebookApiException resultException = null;
if (httpHelper != null)
{
var response = httpHelper.HttpWebResponse;
var responseUri = response.ResponseUri;
// legacy rest api
if (responseUri.Host == "api.facebook.com" ||
responseUri.Host == "api-read.facebook.com" ||
responseUri.Host == "api-video.facebook.com" ||
responseUri.Host == "api.beta.facebook.com" ||
responseUri.Host == "api-read.beta.facebook.com" ||
responseUri.Host == "api-video.facebook.com")
{
if (responseDict.ContainsKey("error_code"))
{
string errorCode = responseDict["error_code"].ToString();
string errorMsg = null;
if (responseDict.ContainsKey("error_msg"))
errorMsg = responseDict["error_msg"] as string;
// Error Details: http://wiki.developers.facebook.com/index.php/Error_codes
if (errorCode == "190")
resultException = new FacebookOAuthException(errorMsg, errorCode);
else if (errorCode == "4" || errorCode == "API_EC_TOO_MANY_CALLS" ||
(errorMsg != null && errorMsg.Contains("request limit reached")))
resultException = new FacebookApiLimitException(errorMsg, errorCode);
else
resultException = new FacebookApiException(errorMsg, errorCode);
return resultException;
}
return null;
}
}
// graph api error
if (responseDict.ContainsKey("error"))
{
var error = responseDict["error"] as IDictionary<string, object>;
if (error != null)
{
var errorType = error["type"] as string;
var errorMessage = error["message"] as string;
// Check to make sure the correct data is in the response
if (!string.IsNullOrEmpty(errorType) && !string.IsNullOrEmpty(errorMessage))
{
// We don't include the inner exception because it is not needed and is always a WebException.
// It is easier to understand the error if we use Facebook's error message.
if (errorType == "OAuthException")
resultException = new FacebookOAuthException(errorMessage, errorType);
else if (errorType == "API_EC_TOO_MANY_CALLS" || (errorMessage.Contains("request limit reached")))
resultException = new FacebookApiLimitException(errorMessage, errorType);
else
resultException = new FacebookApiException(errorMessage, errorType);
}
}
else
{
long? errorNumber = null;
if (responseDict["error"] is long)
errorNumber = (long)responseDict["error"];
if (errorNumber == null && responseDict["error"] is int)
errorNumber = (int)responseDict["error"];
string errorDescription = null;
if (responseDict.ContainsKey("error_description"))
errorDescription = responseDict["error_description"] as string;
if (errorNumber != null && !string.IsNullOrEmpty(errorDescription))
{
if (errorNumber == 190)
resultException = new FacebookOAuthException(errorDescription, "API_EC_PARAM_ACCESS_TOKEN");
else
resultException = new FacebookApiException(errorDescription, errorNumber.Value.ToString(CultureInfo.InvariantCulture));
}
}
}
return resultException;
}
