private static HttpStatusCode UploadAttachment(LoginUser _loginUser, CRMLinkErrors _crmErrors, TeamSupport.ServiceLibrary.Log _log, string incidentId, string encodedCredentials, ref string responseString, Attachment attachment, string hostName)
{
HttpStatusCode resultStatusCode = HttpStatusCode.BadRequest;
string error = string.Empty;
if (File.Exists(attachment.Path))
{
FileStream attachmentFileStream = new FileStream(attachment.Path, FileMode.Open, FileAccess.Read);
int fileSizeLimit = 50000000; //vv 50MB. can we get this from Snow?
if (attachmentFileStream.Length <= fileSizeLimit)
{
try
{
string url = GetFullUrl(hostName, string.Format("api/now/attachment/file?table_name=incident&table_sys_id={0}&file_name={1}", incidentId, System.Web.HttpUtility.UrlEncode(attachment.FileName)));
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "multipart/form-data";
request.Accept = "application/json";
request.Headers.Add("Authorization", "Basic " + encodedCredentials);
MemoryStream content = new MemoryStream();
StreamWriter writer = new StreamWriter(content);
byte[] data = new byte[attachmentFileStream.Length + 1];
attachmentFileStream.Read(data, 0, data.Length);
attachmentFileStream.Close();
content.Write(data, 0, data.Length);
writer.WriteLine();
writer.Flush();
content.Seek(0, SeekOrigin.Begin);
request.ContentLength = content.Length;
using (Stream requestStream = request.GetRequestStream())
{
content.WriteTo(requestStream);
requestStream.Close();
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
_log.Write("Attachment \"" + attachment.FileName + "\" sent.");
Stream responseStream = response.GetResponseStream();
if (responseStream != null)
{
var streamReader = new StreamReader(responseStream);
responseString = streamReader.ReadToEnd();
}
resultStatusCode = response.StatusCode;
response.Close();
}
content.Flush();
content.Close();
attachment.SentToSnow = true;
attachment.Collection.Save();
_log.ClearCrmLinkError(attachment.AttachmentID.ToString(), string.Empty, _crmErrors);
}
catch (WebException webEx)
{
using (var response = (HttpWebResponse)webEx.Response)
{
Stream responseStream = response.GetResponseStream();
if (responseStream != null)
{
var reader = new StreamReader(responseStream);
string responseText = string.Format("Error code: {0} - {1}{2}{3}", response.StatusCode, response.StatusDescription, Environment.NewLine, reader.ReadToEnd());
throw new Exception(responseText);
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex.InnerException);
}
}
else
{
error = string.Format("Attachment was not sent as its file size ({0}) exceeded the file size limit of {1}", attachmentFileStream.Length.ToString(), fileSizeLimit.ToString());
}
}
else
{
error = "Attachment was not sent as it was not found on server";
}
if (!string.IsNullOrEmpty(error))
{
_crmErrors.LoadByOperationAndObjectId(attachment.OrganizationID, Enums.GetDescription(IntegrationType.ServiceNow), Enums.GetDescription(IntegrationOrientation.OutToServiceNow), "attachment", attachment.AttachmentID.ToString());
_log.WriteToCrmErrorReport(_loginUser, error, attachment.OrganizationID, attachment.AttachmentID.ToString(), "attachment", "file", attachment.FileName, "create", IntegrationType.ServiceNow, Enums.GetDescription(IntegrationOrientation.OutToServiceNow), _crmErrors, logText: true);
}
return(resultStatusCode);
}
public static string UpdloadAttachments(LoginUser _loginUser, CRMLinkErrors _crmErrors, TeamSupport.ServiceLibrary.Log _log, Data.Action action, string encodedCredentials, string result, string appId, string hostName)
{
Attachments attachments = new Attachments(_loginUser);
attachments.LoadForIntegration(action.ActionID, IntegrationType.ServiceNow);
foreach (Attachment attachment in attachments)
{
UploadAttachment(_loginUser, _crmErrors, _log, appId, encodedCredentials, ref result, attachment, hostName);
}
return(result);
}
