private void HandleRangeRequest(IRequest request)
        {
            var rangeHeader = request.Headers["Range"];
            var response = request.CreateResponse(HttpStatusCode.PartialContent, "Welcome");

            response.ContentType = "application/octet-stream";
            response.AddHeader("Accept-Ranges", "bytes");
            response.AddHeader("Content-Disposition", @"attachment;filename=""ReallyBigFile.Txt""");

            //var fileStream = new FileStream(Environment.CurrentDirectory + @"\Ranges\ReallyBigFile.Txt", FileMode.Open,
            //                                FileAccess.Read, FileShare.ReadWrite);
            var fileStream = new FileStream(@"C:\Users\jgauffin\Downloads\AspNetMVC3ToolsUpdateSetup.exe", FileMode.Open,
                                                FileAccess.Read, FileShare.ReadWrite);
            var ranges = new RangeCollection();
            ranges.Parse(rangeHeader.Value, (int)fileStream.Length);

            response.AddHeader("Content-Range", ranges.ToHtmlHeaderValue((int)fileStream.Length));
            response.Body = new ByteRangeStream(ranges, fileStream);
            Send(response);
        }
        private void HandleRangeRequest(IRequest request)
        {
            var rangeHeader = request.Headers["Range"];
            var response    = request.CreateResponse(HttpStatusCode.PartialContent, "Welcome");

            response.ContentType = "application/octet-stream";
            response.AddHeader("Accept-Ranges", "bytes");
            response.AddHeader("Content-Disposition", @"attachment;filename=""ReallyBigFile.Txt""");

            //var fileStream = new FileStream(Environment.CurrentDirectory + @"\Ranges\ReallyBigFile.Txt", FileMode.Open,
            //                                FileAccess.Read, FileShare.ReadWrite);
            var fileStream = new FileStream(@"C:\Users\jgauffin\Downloads\AspNetMVC3ToolsUpdateSetup.exe", FileMode.Open,
                                            FileAccess.Read, FileShare.ReadWrite);
            var ranges = new RangeCollection();

            ranges.Parse(rangeHeader.Value, (int)fileStream.Length);

            response.AddHeader("Content-Range", ranges.ToHtmlHeaderValue((int)fileStream.Length));
            response.Body = new ByteRangeStream(ranges, fileStream);
            Send(response);
        }
Exemple #3
0
        /// <summary>
        /// Handle the request.
        /// </summary>
        /// <param name="context">HTTP context</param>
        /// <returns><see cref="ModuleResult.Stop"/> will stop all processing except <see cref="IHttpModule.EndRequest"/>.</returns>
        /// <remarks>Invoked in turn for all modules unless you return <see cref="ModuleResult.Stop"/>.</remarks>
        public ModuleResult HandleRequest(IHttpContext context)
        {
            // only handle GET and HEAD
            if (!context.Request.Method.Equals("GET", StringComparison.OrdinalIgnoreCase) &&
                !context.Request.Method.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
            {
                return(ModuleResult.Continue);
            }

            // serve a directory
            if (ListFiles)
            {
                if (TryGenerateDirectoryPage(context))
                {
                    return(ModuleResult.Stop);
                }
            }

            var header = context.Request.Headers["If-Modified-Since"];
            var time   = header != null
                           ? DateTime.ParseExact(header.Value, "R", CultureInfo.InvariantCulture)
                           : DateTime.MinValue;


            var fileContext = new FileContext(context.Request, time);

            _fileService.GetFile(fileContext);
            if (!fileContext.IsFound)
            {
                return(ModuleResult.Continue);
            }

            if (!fileContext.IsModified)
            {
                context.Response.StatusCode        = (int)HttpStatusCode.NotModified;
                context.Response.StatusDescription = "Was last modified " + fileContext.LastModifiedAtUtc.ToString("R");
                return(ModuleResult.Stop);
            }

            var mimeType = MimeTypeProvider.Instance.Get(fileContext.Filename);

            if (mimeType == null)
            {
                context.Response.StatusCode        = (int)HttpStatusCode.UnsupportedMediaType;
                context.Response.StatusDescription = string.Format("File type '{0}' is not supported.",
                                                                   Path.GetExtension(fileContext.Filename));
                return(ModuleResult.Stop);
            }

            context.Response.AddHeader("Last-Modified", fileContext.LastModifiedAtUtc.ToString("R"));
            context.Response.AddHeader("Accept-Ranges", "bytes");
            context.Response.AddHeader("Content-Disposition", "inline;filename=\"" + Path.GetFileName(fileContext.Filename) + "\"");
            context.Response.ContentType   = mimeType;
            context.Response.ContentLength = (int)fileContext.FileStream.Length;

            // ranged/partial transfers
            var rangeHeader = context.Request.Headers["Range"];

            if (rangeHeader != null && !string.IsNullOrEmpty(rangeHeader.Value))
            {
                var ranges = new RangeCollection();
                ranges.Parse(rangeHeader.Value, (int)fileContext.FileStream.Length);
                context.Response.AddHeader("Content-Range", ranges.ToHtmlHeaderValue((int)fileContext.FileStream.Length));
                context.Response.Body          = new ByteRangeStream(ranges, fileContext.FileStream);
                context.Response.ContentLength = ranges.TotalLength;
                context.Response.StatusCode    = 206;
            }
            else
            {
                context.Response.Body = fileContext.FileStream;
            }

            // do not include a body when the client only want's to get content information.
            if (context.Request.Method.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
            {
                context.Response.Body.Dispose();
                context.Response.Body = null;
            }

            return(ModuleResult.Stop);
        }
        /// <summary>
        /// Handle the request.
        /// </summary>
        /// <param name="context">HTTP context</param>
        /// <returns><see cref="ModuleResult.Stop"/> will stop all processing except <see cref="IHttpModule.EndRequest"/>.</returns>
        /// <remarks>Invoked in turn for all modules unless you return <see cref="ModuleResult.Stop"/>.</remarks>
        public ModuleResult HandleRequest(IHttpContext context)
        {
            // only handle GET and HEAD
            if (!context.Request.HttpMethod.Equals("GET", StringComparison.OrdinalIgnoreCase)
                && !context.Request.HttpMethod.Equals("HEAD", StringComparison.OrdinalIgnoreCase))
                return ModuleResult.Continue;

            // serve a directory
            if (AllowFileListing)
            {
                if (TryGenerateDirectoryPage(context))
                    return ModuleResult.Stop;
            }

            var header = context.Request.Headers["If-Modified-Since"];
            var time = header != null
                           ? DateTime.ParseExact(header, "R", CultureInfo.InvariantCulture)
                           : DateTime.MinValue;


            var fileContext = new FileContext(context.Request, time);
            _fileService.GetFile(fileContext);
            if (!fileContext.IsFound)
                return ModuleResult.Continue;

            if (!fileContext.IsModified)
            {
                context.Response.StatusCode = (int)HttpStatusCode.NotModified;
                context.Response.ReasonPhrase = "Was last modified " + fileContext.LastModifiedAtUtc.ToString("R");
                return ModuleResult.Stop;
            }

            if (fileContext.IsGzipSubstitute)
            {
                context.Response.AddHeader("Content-Encoding", "gzip");
            }

            var mimeType = MimeTypeProvider.Instance.Get(fileContext.Filename);
            if (mimeType == null)
            {
                context.Response.StatusCode = (int)HttpStatusCode.UnsupportedMediaType;
                context.Response.ReasonPhrase = string.Format("File type '{0}' is not supported.",
                                                                   Path.GetExtension(fileContext.Filename));
                return ModuleResult.Stop;
            }

            context.Response.AddHeader("Last-Modified", fileContext.LastModifiedAtUtc.ToString("R"));
            context.Response.AddHeader("Accept-Ranges", "bytes");
            context.Response.AddHeader("Content-Disposition", "inline;filename=\"" + Path.GetFileName(fileContext.Filename) + "\"");
            context.Response.ContentType = mimeType;
            context.Response.ContentLength = (int)fileContext.FileStream.Length;

            // ranged/partial transfers
            var rangeStr = context.Request.Headers["Range"];
            if (!string.IsNullOrEmpty(rangeStr))
            {
                var ranges = new RangeCollection();
                ranges.Parse(rangeStr, (int)fileContext.FileStream.Length);
                context.Response.AddHeader("Content-Range", ranges.ToHtmlHeaderValue((int)fileContext.FileStream.Length));
                context.Response.Body = new ByteRangeStream(ranges, fileContext.FileStream);
                context.Response.ContentLength = ranges.TotalLength;
                context.Response.StatusCode = 206;
            }
            else
                context.Response.Body = fileContext.FileStream;

            // do not include a body when the client only want's to get content information.
            if (context.Request.HttpMethod.Equals("HEAD", StringComparison.OrdinalIgnoreCase) && context.Response.Body != null)
            {
                context.Response.Body.Dispose();
                context.Response.Body = null;
            }

            return ModuleResult.Stop;
        }