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https://git.teknik.io/Teknikode/Teknik.git
synced 2023-08-02 14:16:22 +02:00
Added range support again.
Fixed file stream read access to allow multiple processes to access the file.
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6a1222a667
commit
3490104980
@ -94,7 +94,7 @@ namespace Teknik.Areas.Podcast.Controllers
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{
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if (System.IO.File.Exists(file.Path))
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{
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FileStream fileStream = new FileStream(file.Path, FileMode.Open, FileAccess.Read);
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FileStream fileStream = new FileStream(file.Path, FileMode.Open, FileAccess.Read, FileShare.Read);
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Response.AddHeader("Content-Length", file.ContentLength.ToString());
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@ -187,15 +187,81 @@ namespace Teknik.Areas.Upload.Controllers
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{
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string subDir = fileName[0].ToString();
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string filePath = Path.Combine(Config.UploadConfig.UploadDirectory, subDir, fileName);
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long startByte = 0;
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long endByte = contentLength - 1;
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long length = contentLength;
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if (System.IO.File.Exists(filePath))
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{
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#region Range Calculation
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// check to see if we need to pass a specified range
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if (byRange)
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{
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long anotherStart = startByte;
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long anotherEnd = endByte;
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string[] arr_split = Request.ServerVariables["HTTP_RANGE"].Split(new char[] { '=' });
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string range = arr_split[1];
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// Make sure the client hasn't sent us a multibyte range
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if (range.IndexOf(",") > -1)
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{
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// (?) Shoud this be issued here, or should the first
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// range be used? Or should the header be ignored and
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// we output the whole content?
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Response.AddHeader("Content-Range", "bytes " + startByte + "-" + endByte + "/" + contentLength);
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throw new HttpException(416, "Requested Range Not Satisfiable");
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}
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// If the range starts with an '-' we start from the beginning
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// If not, we forward the file pointer
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// And make sure to get the end byte if spesified
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if (range.StartsWith("-"))
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{
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// The n-number of the last bytes is requested
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anotherStart = startByte - Convert.ToInt64(range.Substring(1));
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}
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else
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{
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arr_split = range.Split(new char[] { '-' });
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anotherStart = Convert.ToInt64(arr_split[0]);
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long temp = 0;
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anotherEnd = (arr_split.Length > 1 && Int64.TryParse(arr_split[1].ToString(), out temp)) ? Convert.ToInt64(arr_split[1]) : contentLength;
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}
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/* Check the range and make sure it's treated according to the specs.
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* http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
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*/
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// End bytes can not be larger than $end.
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anotherEnd = (anotherEnd > endByte) ? endByte : anotherEnd;
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// Validate the requested range and return an error if it's not correct.
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if (anotherStart > anotherEnd || anotherStart > contentLength - 1 || anotherEnd >= contentLength)
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{
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Response.AddHeader("Content-Range", "bytes " + startByte + "-" + endByte + "/" + contentLength);
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throw new HttpException(416, "Requested Range Not Satisfiable");
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}
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startByte = anotherStart;
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endByte = anotherEnd;
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length = endByte - startByte + 1; // Calculate new content length
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// Ranges are response of 206
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Response.StatusCode = 206;
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}
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#endregion
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// Add cache parameters
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Response.Cache.SetCacheability(HttpCacheability.Public);
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Response.Cache.SetMaxAge(new TimeSpan(365, 0, 0, 0));
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Response.Cache.SetLastModified(dateUploaded);
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// We accept ranges
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Response.AddHeader("Accept-Ranges", "0-" + contentLength);
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// Notify the client the byte range we'll be outputting
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Response.AddHeader("Content-Range", "bytes " + startByte + "-" + endByte + "/" + contentLength);
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// Notify the client the content length we'll be outputting
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Response.AddHeader("Content-Length", contentLength.ToString());
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Response.AddHeader("Content-Length", length.ToString());
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// Create content disposition
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var cd = new System.Net.Mime.ContentDisposition
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@ -213,7 +279,10 @@ namespace Teknik.Areas.Upload.Controllers
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}
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// Read in the file
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FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
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FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
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// Reset file stream to starting position (or start of range)
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fs.Seek(startByte, SeekOrigin.Begin);
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try
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{
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@ -225,7 +294,7 @@ namespace Teknik.Areas.Upload.Controllers
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return new FileGenerateResult(url,
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contentType,
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(response) => ResponseHelper.StreamToOutput(response, true, new AESCryptoStream(fs, false, keyBytes, ivBytes, "CTR", "NoPadding"), (int)contentLength, Config.UploadConfig.ChunkSize),
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(response) => ResponseHelper.StreamToOutput(response, true, new AESCryptoStream(fs, false, keyBytes, ivBytes, "CTR", "NoPadding"), (int)length, Config.UploadConfig.ChunkSize),
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false);
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}
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else // Otherwise just send it
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@ -233,7 +302,7 @@ namespace Teknik.Areas.Upload.Controllers
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// Send the file
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return new FileGenerateResult(url,
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contentType,
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(response) => ResponseHelper.StreamToOutput(response, true, fs, (int)contentLength, Config.UploadConfig.ChunkSize),
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(response) => ResponseHelper.StreamToOutput(response, true, fs, (int)length, Config.UploadConfig.ChunkSize),
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false);
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}
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}
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@ -843,7 +843,7 @@
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<AutoAssignPort>True</AutoAssignPort>
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<DevelopmentServerPort>65244</DevelopmentServerPort>
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<DevelopmentServerVPath>/</DevelopmentServerVPath>
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<IISUrl>https://localhost:44301/</IISUrl>
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<IISUrl>https://localhost:44300/</IISUrl>
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<NTLMAuthentication>False</NTLMAuthentication>
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<UseCustomServer>False</UseCustomServer>
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<CustomServerUrl>
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