private static bool ResponseYoutube(ExecutionInformation info)
{
string[] command = info.TextMessage.Message.SplitNoEmpty(' ');
if (command[0] != "!f")
{
return(false);
}
if (command.Length != 2)
{
return(true);
}
int entry;
if (int.TryParse(command[1], out entry))
{
PlayData data = info.Session.UserResource;
if (data == null || data.Resource as YoutubeResource == null)
{
info.Session.Write("An unexpected error with the ytresource occured: null.");
return(true);
}
YoutubeResource ytResource = (YoutubeResource)data.Resource;
if (entry < 0 || entry >= ytResource.AvailableTypes.Count)
{
return(true);
}
ytResource.Selected = entry;
if (ValidateMedia(info.Session, ytResource))
{
info.Session.Bot.FactoryManager.Play(data);
}
}
return(true);
}
private static bool ValidateMedia(BotSession session, YoutubeResource resource)
{
switch (ValidateMedia(resource))
{
case ValidateCode.Ok: return(true);
case ValidateCode.Restricted: session.Write("The video cannot be played due to youtube restrictions."); return(false);
case ValidateCode.Timeout: session.Write("No connection could be established to youtube. Please try again later."); return(false);
case ValidateCode.UnknownError: session.Write("Unknown error occoured"); return(false);
default: throw new InvalidOperationException();
}
}
public void PostProcess(PlayData data, out bool abortPlay)
{
YoutubeResource ytResource = (YoutubeResource)data.Resource;
#if DEBUG
StringBuilder dbg = new StringBuilder("YT avail codecs: ");
foreach (var yd in ytResource.AvailableTypes)
{
dbg.Append(yd.qualitydesciption).Append(" @ ").Append(yd.codec).Append(", ");
}
Log.Write(Log.Level.Debug, dbg.ToString());
#endif
var availList = ytResource.AvailableTypes;
int autoselectIndex = availList.FindIndex(t => t.codec == VideoCodec.M4A);
if (autoselectIndex == -1)
{
autoselectIndex = availList.FindIndex(t => t.audioOnly);
}
if (autoselectIndex != -1)
{
ytResource.Selected = autoselectIndex;
abortPlay = !ValidateMedia(data.Session, ytResource);
return;
}
StringBuilder strb = new StringBuilder();
strb.AppendLine("\nMultiple formats found please choose one with !f <number>");
int count = 0;
foreach (var videoType in ytResource.AvailableTypes)
{
strb.Append("[")
.Append(count++)
.Append("] ")
.Append(videoType.codec.ToString())
.Append(" @ ")
.AppendLine(videoType.qualitydesciption);
}
abortPlay = true;
data.Session.Write(strb.ToString());
data.Session.UserResource = data;
data.Session.SetResponse(ResponseYoutube, null);
}
public RResultCode GetResourceById(string ytID, string name, out AudioResource result)
{
string resulthtml;
if (!WebWrapper.DownloadString(out resulthtml, new Uri($"http://www.youtube.com/get_video_info?video_id={ytID}&el=info")))
{
result = null;
return RResultCode.NoConnection;
}
var videoTypes = new List<VideoData>();
NameValueCollection dataParse = HttpUtility.ParseQueryString(resulthtml);
string videoDataUnsplit = dataParse["url_encoded_fmt_stream_map"];
if (videoDataUnsplit != null)
{
string[] videoData = videoDataUnsplit.Split(',');
foreach (string vdat in videoData)
{
NameValueCollection videoparse = HttpUtility.ParseQueryString(vdat);
string vLink = videoparse["url"];
if (vLink == null)
continue;
string vType = videoparse["type"];
if (vType == null)
continue;
string vQuality = videoparse["quality"];
if (vQuality == null)
continue;
var vt = new VideoData();
vt.link = vLink;
vt.codec = GetCodec(vType);
vt.qualitydesciption = vQuality;
videoTypes.Add(vt);
}
}
videoDataUnsplit = dataParse["adaptive_fmts"];
if (videoDataUnsplit != null)
{
string[] videoData = videoDataUnsplit.Split(',');
foreach (string vdat in videoData)
{
NameValueCollection videoparse = HttpUtility.ParseQueryString(vdat);
string vType = videoparse["type"];
if (vType == null)
continue;
bool audioOnly = false;
if (vType.StartsWith("video/"))
continue;
else if (vType.StartsWith("audio/"))
audioOnly = true;
string vLink = videoparse["url"];
if (vLink == null)
continue;
var vt = new VideoData();
vt.codec = GetCodec(vType);
vt.qualitydesciption = vType;
vt.link = vLink;
if (audioOnly)
vt.audioOnly = true;
else
vt.videoOnly = true;
videoTypes.Add(vt);
}
}
string finalName = name ?? dataParse["title"] ?? $"<YT - no title : {ytID}>";
var ytResult = new YoutubeResource(ytID, finalName, videoTypes);
result = ytResult;
return ytResult.AvailableTypes.Count > 0 ? RResultCode.Success : RResultCode.YtNoVideosExtracted;
}
private static ValidateCode ValidateMedia(YoutubeResource resource)
{
var media = resource.AvailableTypes[resource.Selected];
return WebWrapper.GetResponse(new Uri(media.link), TimeSpan.FromSeconds(1));
}
private static bool ValidateMedia(BotSession session, YoutubeResource resource)
{
switch (ValidateMedia(resource))
{
case ValidateCode.Ok: return true;
case ValidateCode.Restricted: session.Write("The video cannot be played due to youtube restrictions."); return false;
case ValidateCode.Timeout: session.Write("No connection could be established to youtube. Please try again later."); return false;
case ValidateCode.UnknownError: session.Write("Unknown error occoured"); return false;
default: throw new InvalidOperationException();
}
}
public RResultCode GetResourceById(string ytID, string name, out AudioResource result)
{
string resulthtml;
if (!WebWrapper.DownloadString(out resulthtml, new Uri($"http://www.youtube.com/get_video_info?video_id={ytID}&el=info")))
{
result = null;
return(RResultCode.NoConnection);
}
var videoTypes = new List <VideoData>();
NameValueCollection dataParse = HttpUtility.ParseQueryString(resulthtml);
string videoDataUnsplit = dataParse["url_encoded_fmt_stream_map"];
if (videoDataUnsplit != null)
{
string[] videoData = videoDataUnsplit.Split(',');
foreach (string vdat in videoData)
{
NameValueCollection videoparse = HttpUtility.ParseQueryString(vdat);
string vLink = videoparse["url"];
if (vLink == null)
{
continue;
}
string vType = videoparse["type"];
if (vType == null)
{
continue;
}
string vQuality = videoparse["quality"];
if (vQuality == null)
{
continue;
}
var vt = new VideoData();
vt.link = vLink;
vt.codec = GetCodec(vType);
vt.qualitydesciption = vQuality;
videoTypes.Add(vt);
}
}
videoDataUnsplit = dataParse["adaptive_fmts"];
if (videoDataUnsplit != null)
{
string[] videoData = videoDataUnsplit.Split(',');
foreach (string vdat in videoData)
{
NameValueCollection videoparse = HttpUtility.ParseQueryString(vdat);
string vType = videoparse["type"];
if (vType == null)
{
continue;
}
bool audioOnly = false;
if (vType.StartsWith("video/"))
{
continue;
}
else if (vType.StartsWith("audio/"))
{
audioOnly = true;
}
string vLink = videoparse["url"];
if (vLink == null)
{
continue;
}
var vt = new VideoData();
vt.codec = GetCodec(vType);
vt.qualitydesciption = vType;
vt.link = vLink;
if (audioOnly)
{
vt.audioOnly = true;
}
else
{
vt.videoOnly = true;
}
videoTypes.Add(vt);
}
}
string finalName = name ?? dataParse["title"] ?? $"<YT - no title : {ytID}>";
var ytResult = new YoutubeResource(ytID, finalName, videoTypes);
result = ytResult;
return(ytResult.AvailableTypes.Count > 0 ? RResultCode.Success : RResultCode.YtNoVideosExtracted);
}
private static ValidateCode ValidateMedia(YoutubeResource resource)
{
var media = resource.AvailableTypes[resource.Selected];
return(WebWrapper.GetResponse(new Uri(media.link), TimeSpan.FromSeconds(1)));
}