DocumentServer/OnlineEditorsExample/WebEditor.ashx.cs
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

127 lines
3.9 KiB
C#

using System;
using System.IO;
using System.Net;
using System.Web;
using System.Web.Services;
using ASC.Api.DocumentConverter;
namespace OnlineEditorsExample
{
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class WebEditor : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
switch (context.Request["type"])
{
case "save":
Save(context);
break;
case "upload":
Upload(context);
break;
case "convert":
Convert(context);
break;
}
}
private static void Save(HttpContext context)
{
context.Response.ContentType = "text/plain";
var downloadUri = context.Request["fileuri"];
var fileName = context.Request["filename"];
if (string.IsNullOrEmpty(downloadUri) || string.IsNullOrEmpty(fileName))
{
context.Response.Write("error");
return;
}
var newType = Path.GetExtension(downloadUri).Trim('.');
var currentType = (context.Request["filetype"] ?? Path.GetExtension(fileName)).Trim('.');
if (newType.ToLower() != currentType.ToLower())
{
var key = ServiceConverter.GenerateRevisionId(downloadUri);
string newFileUri;
try
{
var result = ServiceConverter.GetConvertedUri(downloadUri, newType, currentType, key, false, out newFileUri);
if (result != 100)
throw new Exception();
}
catch (Exception)
{
context.Response.Write("error");
return;
}
downloadUri = newFileUri;
newType = currentType;
}
fileName = Path.GetFileNameWithoutExtension(fileName) + "." + newType;
var req = (HttpWebRequest) WebRequest.Create(downloadUri);
try
{
using (var stream = req.GetResponse().GetResponseStream())
{
if (stream == null) throw new Exception("stream is null");
const int bufferSize = 4096;
using (var fs = File.Open(_Default.StoragePath + fileName, FileMode.Create))
{
var buffer = new byte[bufferSize];
int readed;
while ((readed = stream.Read(buffer, 0, bufferSize)) != 0)
{
fs.Write(buffer, 0, readed);
}
}
}
}
catch (Exception)
{
context.Response.Write("error");
return;
}
context.Response.Write("success");
}
private static void Upload(HttpContext context)
{
context.Response.ContentType = "text/plain";
try
{
context.Response.Write("{ \"filename\": \"" + _Default.DoUpload(context) + "\"}");
}
catch (Exception e)
{
context.Response.Write("{ \"error\": \"" + e.Message + "\"}");
}
}
private static void Convert(HttpContext context)
{
context.Response.ContentType = "text/plain";
try
{
context.Response.Write(_Default.DoConvert(context));
}
catch (Exception e)
{
context.Response.Write("{ \"error\": \"" + e.Message + "\"}");
}
}
public bool IsReusable
{
get { return false; }
}
}
}