public IActionResult ProcessRequest()
{
//get session ID
string sessionID = HttpContext.Request.Query["sid"].ToString();
//get Query String
string queryString = HttpContext.Request.QueryString.Value;
try
{
//Determine and get the Type of Request
RequestType prType = WebClientPrint.GetProcessRequestType(queryString);
if (prType == RequestType.GenPrintScript ||
prType == RequestType.GenWcppDetectScript)
{
//Let WebClientPrint to generate the requested script
byte[] script = WebClientPrint.GenerateScript(Url.Action("ProcessRequest", "WebClientPrintAPI", null, HttpContext.Request.Scheme), queryString);
return(File(script, "application/x-javascript", "WebClientPrintScript"));
}
else if (prType == RequestType.ClientSetWcppVersion)
{
//This request is a ping from the WCPP utility
//so store the session ID indicating it has the WCPP installed
//also store the WCPP Version if available
string wcppVersion = HttpContext.Request.Query["wcppVer"];
if (string.IsNullOrEmpty(wcppVersion))
{
wcppVersion = "1.0.0.0";
}
_MemoryCache.Set(sessionID + "wcppInstalled", wcppVersion);
}
else if (prType == RequestType.ClientSetInstalledPrinters)
{
//WCPP Utility is sending the installed printers at client side
//so store this info with the specified session ID
string printers = HttpContext.Request.Query["printers"].ToString();
if (!string.IsNullOrEmpty(printers) && printers.Length > 0)
{
printers = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(printers));
}
_MemoryCache.Set(sessionID + "printers", printers);
}
else if (prType == RequestType.ClientGetWcppVersion)
{
//return the WCPP version for the specified sid if any
bool sidWcppVersion = (_MemoryCache.Get <string>(sessionID + "wcppInstalled") != null);
return(Ok(sidWcppVersion ? _MemoryCache.Get <string>(sessionID + "wcppInstalled") : ""));
}
else if (prType == RequestType.ClientGetInstalledPrinters)
{
//return the installed printers for the specified sid if any
bool sidHasPrinters = (_MemoryCache.Get <string>(sessionID + "printers") != null);
return(Ok(sidHasPrinters ? _MemoryCache.Get <string>(sessionID + "printers") : ""));
}
}
catch
{
return(BadRequest());
}
return(null);
}
public void ProcessRequest()
{
//get session ID
string sessionID = (HttpContext.Request["sid"] != null ? HttpContext.Request["sid"] : null);
//get Query String
string queryString = HttpContext.Request.Url.Query;
try
{
//Determine and get the Type of Request
RequestType prType = WebClientPrint.GetProcessRequestType(queryString);
if (prType == RequestType.GenPrintScript ||
prType == RequestType.GenWcppDetectScript)
{
//Let WebClientPrint to generate the requested script
byte[] script = WebClientPrint.GenerateScript(Url.Action("ProcessRequest", "WebClientPrintAPI", null, HttpContext.Request.Url.Scheme), queryString);
HttpContext.Response.ContentType = "text/javascript";
HttpContext.Response.BinaryWrite(script);
HttpContext.Response.End();
}
else if (prType == RequestType.ClientSetWcppVersion)
{
//This request is a ping from the WCPP utility
//so store the session ID indicating it has the WCPP installed
//also store the WCPP Version if available
string wcppVersion = HttpContext.Request["wcppVer"];
if (string.IsNullOrEmpty(wcppVersion))
{
wcppVersion = "1.0.0.0";
}
HttpContext.Application.Set(sessionID + "wcppInstalled", wcppVersion);
}
else if (prType == RequestType.ClientSetInstalledPrinters)
{
//WCPP Utility is sending the installed printers at client side
//so store this info with the specified session ID
string printers = HttpContext.Request["printers"];
if (string.IsNullOrEmpty(printers) == false)
{
printers = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(printers));
}
HttpContext.Application.Set(sessionID + "printers", printers);
}
else if (prType == RequestType.ClientGetWcppVersion)
{
//return the WCPP version for the specified sid if any
bool sidWcppVersion = (HttpContext.Application.Get(sessionID + "wcppInstalled") != null);
HttpContext.Response.ContentType = "text/plain";
HttpContext.Response.Write((sidWcppVersion ? HttpContext.Application.Get(sessionID + "wcppInstalled") : ""));
HttpContext.Response.End();
}
else if (prType == RequestType.ClientGetInstalledPrinters)
{
//return the installed printers for the specified sid if any
bool sidHasPrinters = (HttpContext.Application.Get(sessionID + "printers") != null);
HttpContext.Response.ContentType = "text/plain";
HttpContext.Response.Write((sidHasPrinters ? HttpContext.Application.Get(sessionID + "printers") : ""));
HttpContext.Response.End();
}
}
catch (Exception ex)
{
HttpContext.Response.StatusCode = 500;
HttpContext.Response.ContentType = "text/plain";
HttpContext.Response.Write(ex.Message + " - StackTrace: " + ex.StackTrace);
HttpContext.Response.End();
}
}