public Stream InfoVideoFromFilename(string base64filename, int?userId, bool?autowatch, string fakename)
{
InfoResult r = ResolveFilename(base64filename, userId, autowatch);
StreamWithResponse s = new StreamWithResponse(r.Status, r.StatusDescription);
if (r.Status != HttpStatusCode.OK && r.Status != HttpStatusCode.PartialContent)
{
return(s);
}
s.Headers.Add("Server", ServerVersion);
s.Headers.Add("Accept-Ranges", "bytes");
s.Headers.Add("Content-Range", "bytes 0-" + (r.File.Size - 1) + "/" + r.File.Size);
s.ContentType = r.Mime;
s.ContentLength = r.File.Size;
return(s);
}
private Stream StreamFromIFile(InfoResult r, bool?autowatch)
{
try
{
var request = HttpContext.Request;
FileSystemResult <Stream> fr = r.File.OpenRead();
if (fr == null || fr.Status != Status.Ok)
{
return(new StreamWithResponse(HttpStatusCode.InternalServerError,
"Unable to open file '" + r.File.FullName + "': " + fr?.Error));
}
Stream org = fr.Result;
long totalsize = org.Length;
long start = 0;
long end = totalsize - 1;
string rangevalue = request.Headers["Range"].FirstOrDefault() ??
request.Headers["range"].FirstOrDefault();
rangevalue = rangevalue?.Replace("bytes=", string.Empty);
bool range = !string.IsNullOrEmpty(rangevalue);
if (range)
{
// range: bytes=split[0]-split[1]
string[] split = rangevalue.Split('-');
if (split.Length == 2)
{
// bytes=-split[1] - tail of specified length
if (string.IsNullOrEmpty(split[0]) && !string.IsNullOrEmpty(split[1]))
{
long e = long.Parse(split[1]);
start = totalsize - e;
end = totalsize - 1;
}
// bytes=split[0] - split[0] to end of file
else if (!string.IsNullOrEmpty(split[0]) && string.IsNullOrEmpty(split[1]))
{
start = long.Parse(split[0]);
end = totalsize - 1;
}
// bytes=split[0]-split[1] - specified beginning and end
else if (!string.IsNullOrEmpty(split[0]) && !string.IsNullOrEmpty(split[1]))
{
start = long.Parse(split[0]);
end = long.Parse(split[1]);
if (start > totalsize - 1)
{
start = totalsize - 1;
}
if (end > totalsize - 1)
{
end = totalsize - 1;
}
}
}
}
var outstream = new SubStream(org, start, end - start + 1);
var resp = new StreamWithResponse {
ContentType = r.Mime
};
resp.Headers.Add("Server", ServerVersion);
resp.Headers.Add("Connection", "keep-alive");
resp.Headers.Add("Accept-Ranges", "bytes");
resp.Headers.Add("Content-Range", "bytes " + start + "-" + end + "/" + totalsize);
resp.ContentLength = end - start + 1;
resp.ResponseStatus = range ? HttpStatusCode.PartialContent : HttpStatusCode.OK;
if (r.User != null && autowatch.HasValue && autowatch.Value && r.VideoLocal != null)
{
outstream.CrossPosition = (long)(totalsize * WatchedThreshold);
outstream.CrossPositionCrossed +=
(a) =>
{
Task.Factory.StartNew(() => { r.VideoLocal.ToggleWatchedStatus(true, r.User.JMMUserID); },
new CancellationToken(),
TaskCreationOptions.LongRunning, TaskScheduler.Default);
};
}
resp.Stream = outstream;
return(resp);
}
catch (Exception e)
{
logger.Error("An error occurred while serving a file: " + e);
var resp = new StreamWithResponse();
resp.ResponseStatus = HttpStatusCode.InternalServerError;
resp.ResponseDescription = e.Message;
return(resp);
}
}
