/// <summary>
/// Returns object containing Base64 encoded Images.
/// </summary>
/// <param name="id">Id of the Image in SysImage Table</param>
/// <returns>Base64 encoded image or error message</returns>
public async Task <RequestResponse> GetImageAsync(string id)
{
string transportUrl = Url.TransportUrl(ActionEnum.SYSIMAGE, Instance.domain) + id;
HttpStatusCode Code;
HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(transportUrl);
myHttpWebRequest.Method = "GET";
myHttpWebRequest.ContentType = "application/octet-stream";
myHttpWebRequest.CookieContainer = Auth;
Uri siteUri = new Uri(transportUrl);
foreach (Cookie cookie in Auth.GetCookies(siteUri))
{
if (cookie.Name == "BPMCSRF" || cookie.Name == "BPMSESSIONID")
{
myHttpWebRequest.Headers.Add(cookie.Name, cookie.Value);
}
}
//Send Request
try
{
using (HttpWebResponse myHttpWebResponse = (HttpWebResponse)await myHttpWebRequest.GetResponseAsync().ConfigureAwait(false))
{
Code = myHttpWebResponse.StatusCode;
if (Instance.BpmSessionId == false)
{
string val = myHttpWebResponse.Cookies["BPMSESSIONID"].Value;
Cookie C = new Cookie("BPMSESSIONID", val);
Auth.Add(new Uri(Instance.domain), C);
Instance.BpmSessionId = true;
}
using (Stream myStream = myHttpWebResponse.GetResponseStream())
{
//Stream str = myHttpWebResponse.GetResponseStream();
byte[] inBuf = new byte[myHttpWebResponse.ContentLength];
int bytesToRead = (int)inBuf.Length;
int bytesRead = 0;
while (bytesToRead > 0)
{
int n = myStream.Read(inBuf, bytesRead, bytesToRead);
if (n == 0)
{
break;
}
bytesRead += n;
bytesToRead -= n;
}
string PhotoData = Convert.ToBase64String(inBuf);
myStream.Close();
myStream.Dispose();
RequestResponse ir = new RequestResponse()
{
HttpStatusCode = Code,
Result = PhotoData,
ErrorMessage = null
};
return(ir);
}
}
}
catch (WebException we)
{
Code = ((HttpWebResponse)(we).Response).StatusCode;
using (StreamReader MyStreamReader = new StreamReader(((HttpWebResponse)(we).Response).GetResponseStream(), true))
{
return(new RequestResponse()
{
HttpStatusCode = Code,
Result = null,
ErrorMessage = MyStreamReader.ReadToEnd()
});
}
}
}
