public R <PlayResource, LocalStr> GetResourceById(ResolveContext ctx, AudioResource resource)
{
var result = ValidateFromString(ctx.Config, resource.ResourceId);
if (!result)
{
return(result.Error);
}
var resData = result.Value;
if (resData.IsIcyStream)
{
if (resource.ResourceTitle == null)
{
resource = resource.WithTitle(StringNormalize.Normalize(resData.Title));
}
return(new MediaPlayResource(resData.FullUri, resource, null, true));
}
if (resource.ResourceTitle == null)
{
resource = resource.WithTitle(!string.IsNullOrWhiteSpace(resData.Title) ? StringNormalize.Normalize(resData.Title) : resource.ResourceId);
}
return(new MediaPlayResource(resData.FullUri, resource, resData.Image, false));
}
public PlayResource(string uri, AudioResource baseData, PlayInfo?playInfo = null, SongInfo?songInfo = null)
{
AudioResource = baseData;
PlayUri = uri;
PlayInfo = playInfo;
SongInfo = songInfo;
}
public RResultCode GetResourceById(string id, string name, out AudioResource resource)
{
string finalRequest = $"https://api.soundcloud.com/tracks/{id}/stream?client_id={SoundcloudClientID}";
resource = new SoundcloudResource(id, name, finalRequest);
return(RResultCode.Success);
}
private R <PlayResource, LocalStr> GetResourceById(AudioResource resource, bool allowNullName)
{
if (SoundcloudLink.IsMatch(resource.ResourceId))
{
return(GetResource(resource.ResourceId));
}
if (resource.ResourceTitle is null)
{
if (!allowNullName)
{
return(new LocalStr(strings.error_media_internal_missing + " (title)"));
}
string link = RestoreLink(resource.ResourceId);
if (link is null)
{
return(new LocalStr(strings.error_media_internal_missing + " (link)"));
}
return(GetResource(link));
}
string finalRequest = $"https://api.soundcloud.com/tracks/{resource.ResourceId}/stream?client_id={SoundcloudClientId}";
return(new PlayResource(finalRequest, resource));
}
public R <PlayResource, LocalStr> GetResourceById(ResolveContext _, AudioResource resource)
{
var result = DownloadEmbeddedSite(resource.ResourceId);
if (!result.Ok)
{
return(result.Error);
}
var webSite = result.Value;
if (resource.ResourceTitle == null)
{
var nameMatch = TrackNameRegex.Match(webSite);
resource = resource.WithTitle(nameMatch.Success
? StringNormalize.Normalize(nameMatch.Groups[1].Value)
: $"Bandcamp (id: {resource.ResourceId})");
}
var match = TrackLinkRegex.Match(webSite);
if (!match.Success)
{
return(new LocalStr(strings.error_media_internal_missing + " (TrackLinkRegex)"));
}
return(new BandcampPlayResource(match.Groups[1].Value, resource, GetTrackArtId(webSite)));
}
public R <PlayResource, LocalStr> GetResource(ResolveContext ctx, string uriOrUrl)
{
string uri;
// Convert if it is a URL.
var uriResult = SpotifyApi.UrlToUri(uriOrUrl);
if (uriResult.Ok)
{
uri = uriResult.Value;
}
else
{
uri = uriOrUrl;
}
var trackOption = api.UriToTrack(uri);
if (!trackOption.Ok)
{
return(trackOption.Error);
}
var resource = new AudioResource(uri, SpotifyApi.TrackToName(trackOption.Value), ResolverFor);
return(new PlayResource(resource.ResourceId, resource));
}
public R <PlayResource, LocalStr> GetResourceById(AudioResource resource)
{
var result = ValidateFromString(resource.ResourceId);
if (!result)
{
return(result.Error);
}
var resData = result.Value;
if (resData.IsIcyStream)
{
resource.ResourceTitle = resData.Title;
return(new MediaPlayResource(resData.FullUri, resource, null, true));
}
if (resource.ResourceTitle == null)
{
if (!string.IsNullOrWhiteSpace(resData.Title))
{
resource.ResourceTitle = resData.Title;
}
else
{
resource.ResourceTitle = resource.ResourceId;
}
}
return(new MediaPlayResource(resData.FullUri, resource, resData.Image, false));
}
public R <PlayResource> GetResourceById(AudioResource resource)
{
var result = DownloadEmbeddedSite(resource.ResourceId);
if (!result.Ok)
{
return(result.Error);
}
var webSite = result.Value;
if (string.IsNullOrEmpty(resource.ResourceTitle))
{
var nameMatch = TrackNameRegex.Match(webSite);
resource.ResourceTitle = nameMatch.Success
? nameMatch.Groups[1].Value
: $"Bandcamp (id: {resource.ResourceId})";
}
var match = TrackLinkRegex.Match(webSite);
if (!match.Success)
{
return("Could not extract track link");
}
return(new BandcampPlayResource(match.Groups[1].Value, resource, GetTrackArtId(webSite)));
}
public R <PlayResource> GetResourceById(AudioResource resource)
{
var result = ValidateUri(resource.ResourceId);
if (!result)
{
return(result.Error);
}
else
{
var resData = result.Value;
AudioResource finalResource;
if (resource.ResourceTitle != null)
{
finalResource = resource;
}
else if (!string.IsNullOrWhiteSpace(resData.Title))
{
finalResource = resource.WithName(resData.Title);
}
else
{
finalResource = resource.WithName(resource.ResourceId);
}
return(new PlayResource(resData.FullUri, finalResource));
}
}
private R <PlayResource> GetResourceById(AudioResource resource, bool allowNullName)
{
if (SoundcloudLink.IsMatch(resource.ResourceId))
{
return(GetResource(resource.ResourceId));
}
if (resource.ResourceTitle == null)
{
if (!allowNullName)
{
return("Could not restore null title.");
}
string link = RestoreLink(resource.ResourceId);
if (link == null)
{
return("Could not restore link from id");
}
return(GetResource(link));
}
string finalRequest = $"https://api.soundcloud.com/tracks/{resource.ResourceId}/stream?client_id={SoundcloudClientId}";
return(new PlayResource(finalRequest, resource));
}
private static R <PlayResource, LocalStr> ParseLiveData(AudioResource resource, JsonPlayerResponse parsed)
{
var webListResponse = WebWrapper.GetResponse(new Uri(parsed.streamingData.hlsManifestUrl), response =>
{
return(AudioTags.M3uReader.TryGetData(response.GetResponseStream()).OkOr(null));
});
if (webListResponse.Ok)
{
const string AacHe = "mp4a.40.5";
const string AacLc = "mp4a.40.2";
var webList = webListResponse.Value;
var streamPref = from item in webList
let codecs = item.StreamMeta != null?StreamCodecMatch.Match(item.StreamMeta).Groups[1].Value : ""
let codecPref = codecs.Contains(AacLc) ? 0
: codecs.Contains(AacHe) ? 1
: 2
let bitrate = item.StreamMeta != null?int.Parse(StreamBitrateMatch.Match(item.StreamMeta).Groups[1].Value) : int.MaxValue
orderby codecPref, bitrate ascending
select item;
var streamSelect = streamPref.FirstOrDefault();
if (streamSelect != null)
{
if (resource.ResourceTitle == null)
{
resource.ResourceTitle = parsed.videoDetails.title;
}
return(new PlayResource(streamSelect.TrackUrl, resource));
}
}
return(new LocalStr(strings.error_media_no_stream_extracted));
}
public R <PlayResource, LocalStr> GetResourceById(AudioResource resource)
{
var result = DownloadEmbeddedSite(resource.ResourceId);
if (!result.Ok)
{
return(result.Error);
}
var webSite = result.Value;
if (string.IsNullOrEmpty(resource.ResourceTitle))
{
var nameMatch = TrackNameRegex.Match(webSite);
resource.ResourceTitle = nameMatch.Success
? nameMatch.Groups[1].Value
: $"Bandcamp (id: {resource.ResourceId})";
}
var match = TrackLinkRegex.Match(webSite);
if (!match.Success)
{
return(new LocalStr(strings.error_media_internal_missing + " (TrackLinkRegex)"));
}
return(new BandcampPlayResource(match.Groups[1].Value, resource, GetTrackArtId(webSite)));
}
public bool ReallyEquals(AudioResource other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
if (!Equals(other) || Gain != other.Gain || TitleIsUserSet != other.TitleIsUserSet)
{
return(false);
}
if (AdditionalData == null && other.AdditionalData != null)
{
return(false);
}
if (AdditionalData != null && other.AdditionalData == null)
{
return(false);
}
// Both are null (see checks above). If I use &&, static code analysis is unhappy for some weird reason.
if (AdditionalData == null || other.AdditionalData == null)
{
return(true);
}
if (AdditionalData.Count != other.AdditionalData.Count)
{
return(false);
}
if (new HashSet <string>(AdditionalData.Keys).Equals(new HashSet <string>(other.AdditionalData.Keys)))
{
// Key sets are not the same.
return(false);
}
foreach (var key in AdditionalData.Keys)
{
if (AdditionalData[key] != other.AdditionalData[key])
{
// There is a key-value-pair that does not match.
return(false);
}
}
// No need to compare values in the other direction as the key sets are the same.
return(true);
}
public RResultCode GetResource(string url, out AudioResource resource)
{
var match = twitchMatch.Match(url);
if (!match.Success)
{
resource = null;
return RResultCode.TwitchInvalidUrl;
}
return GetResourceById(match.Groups[3].Value, null, out resource);
}
public RResultCode GetResource(string ytLink, out AudioResource result)
{
Match matchYtId = idMatch.Match(ytLink);
if (!matchYtId.Success)
{
result = null;
return RResultCode.YtIdNotFound;
}
return GetResourceById(matchYtId.Groups[3].Value, null, out result);
}
public R <PlayResource> GetResourceById(AudioResource resource)
{
var result = ResolveResourceInternal(resource);
if (result.Ok)
{
return(result);
}
return(YoutubeDlWrapped(resource));
}
public RResultCode GetResource(string url, out AudioResource resource)
{
var match = twitchMatch.Match(url);
if (!match.Success)
{
resource = null;
return(RResultCode.TwitchInvalidUrl);
}
return(GetResourceById(match.Groups[3].Value, null, out resource));
}
public RResultCode GetResource(string ytLink, out AudioResource result)
{
Match matchYtId = idMatch.Match(ytLink);
if (!matchYtId.Success)
{
result = null;
return(RResultCode.YtIdNotFound);
}
return(GetResourceById(matchYtId.Groups[3].Value, null, out result));
}
public R <PlayResource, LocalStr> GetResourceById(ResolveContext ctx, AudioResource resource)
{
// Check if the track is available on the market of the bots spotify account.
var trackOption = api.UriToTrack(resource.ResourceId);
if (!trackOption.Ok)
{
return(trackOption.Error);
}
return(new PlayResource(resource.ResourceId, resource));
}
public string RestoreLink(ResolveContext _, AudioResource resource)
{
var artistName = resource.Get(AddArtist);
var trackName = resource.Get(AddTrack);
if (artistName != null && trackName != null)
{
return($"https://soundcloud.com/{artistName}/{trackName}");
}
return("https://soundcloud.com");
}
public string RestoreLink(ResolveContext _, AudioResource resource)
{
var artistName = resource.Get(AddArtist);
var trackName = resource.Get(AddTrack);
if (artistName != null && trackName != null)
{
return($"https://{artistName}.bandcamp.com/track/{trackName}");
}
// backup when something's wrong with the website
return($"https://bandcamp.com/EmbeddedPlayer/v=2/track={resource.ResourceId}");
}
public RResultCode GetResource(string link, out AudioResource resource)
{
string jsonResponse;
var uri = new Uri($"https://api.soundcloud.com/resolve.json?url={Uri.EscapeUriString(link)}&client_id={SoundcloudClientID}");
if (!WebWrapper.DownloadString(out jsonResponse, uri))
{
resource = null;
return RResultCode.ScInvalidLink;
}
var parsedDict = ParseJson(jsonResponse);
int id = (int)parsedDict["id"];
string title = (string)parsedDict["title"];
return GetResourceById(id.ToString(), title, out resource);
}
public RResultCode GetResourceById(string id, string name, out AudioResource resource)
{
var result = ValidateUri(id, ref name, id);
if (result == RResultCode.MediaNoWebResponse)
{
resource = null;
return(result);
}
else
{
resource = new MediaResource(id, name, id, result);
return(RResultCode.Success);
}
}
public RResultCode GetResourceById(string id, string name, out AudioResource resource)
{
var result = ValidateUri(id, ref name, id);
if (result == RResultCode.MediaNoWebResponse)
{
resource = null;
return result;
}
else
{
resource = new MediaResource(id, name, id, result);
return RResultCode.Success;
}
}
public RResultCode GetResource(string link, out AudioResource resource)
{
string jsonResponse;
var uri = new Uri($"https://api.soundcloud.com/resolve.json?url={Uri.EscapeUriString(link)}&client_id={SoundcloudClientID}");
if (!WebWrapper.DownloadString(out jsonResponse, uri))
{
resource = null;
return(RResultCode.ScInvalidLink);
}
var parsedDict = ParseJson(jsonResponse);
int id = (int)parsedDict["id"];
string title = (string)parsedDict["title"];
return(GetResourceById(id.ToString(), title, out resource));
}
// Load lookup stages
// PlayResource != null => ret PlayResource
// ResourceData != null => call RF.RestoreFromId
// TextMessage != null => call RF.GetResoruce
// else => ret Error
/// <summary>Generates a new <see cref="PlayResource"/> which can be played.</summary>
/// <param name="resource">An <see cref="AudioResource"/> with at least
/// <see cref="AudioResource.AudioType"/> and<see cref="AudioResource.ResourceId"/> set.</param>
/// <returns>The playable resource if successful, or an error message otherwise.</returns>
public R <PlayResource> Load(AudioResource resource)
{
if (resource == null)
{
throw new ArgumentNullException(nameof(resource));
}
IResourceFactory factory = GetFactoryFor(resource.AudioType);
var result = factory.GetResourceById(resource);
if (!result)
{
return($"Could not load ({result.Message})");
}
return(result);
}
private R <PlayResource> YoutubeDlWrapped(AudioResource resource)
{
string title = null;
string url = null;
Log.Write(Log.Level.Debug, "YT Ruined!");
var result = YoutubeDlHelper.FindAndRunYoutubeDl(resource.ResourceId);
if (!result.Ok)
{
return(result.Message);
}
var response = result.Value;
title = response.Item1;
var urlOptions = response.Item2;
if (urlOptions.Count == 1)
{
url = urlOptions[0];
}
else if (urlOptions.Count >= 1)
{
Uri[] uriList = urlOptions.Select(s => new Uri(s)).ToArray();
Uri bestMatch = uriList
.FirstOrDefault(u => HttpUtility.ParseQueryString(u.Query)
.GetValues("mime")
.Any(x => x.StartsWith("audio", StringComparison.OrdinalIgnoreCase)));
url = (bestMatch ?? uriList[0]).OriginalString;
}
if (string.IsNullOrEmpty(title) || string.IsNullOrEmpty(url))
{
return("No youtube-dl response");
}
Log.Write(Log.Level.Debug, "YT Saved!");
return(new PlayResource(url, resource.WithName(title)));
}
public async Task <PlayResource> GetResourceById(ResolveContext _, AudioResource resource)
{
var webSite = await DownloadEmbeddedSite(resource.ResourceId);
if (string.IsNullOrEmpty(resource.ResourceTitle))
{
var nameMatch = TrackNameRegex.Match(webSite);
resource.ResourceTitle = nameMatch.Success
? nameMatch.Groups[1].Value
: $"Bandcamp (id: {resource.ResourceId})";
}
var match = TrackLinkRegex.Match(webSite);
if (!match.Success)
{
throw Error.LocalStr(strings.error_media_internal_missing + " (TrackLinkRegex)");
}
return(new BandcampPlayResource(match.Groups[1].Value, resource, GetTrackArtId(webSite)));
}
private static R <PlayResource, LocalStr> YoutubeDlWrapped(AudioResource resource)
{
Log.Debug("Falling back to youtube-dl!");
var result = YoutubeDlHelper.FindAndRunYoutubeDl(resource.ResourceId);
if (!result.Ok)
{
return(result.Error);
}
var response = result.Value;
var title = response.title;
var urlOptions = response.links;
string url = null;
if (urlOptions.Count == 1)
{
url = urlOptions[0];
}
else if (urlOptions.Count >= 1)
{
Uri[] uriList = urlOptions.Select(s => new Uri(s)).ToArray();
Uri bestMatch = uriList
.FirstOrDefault(u => ParseQueryString(u.Query).TryGetValue("mime", out var mimes) &&
mimes.Any(x => x.StartsWith("audio", StringComparison.OrdinalIgnoreCase)));
url = (bestMatch ?? uriList[0]).OriginalString;
}
if (string.IsNullOrEmpty(title) || string.IsNullOrEmpty(url))
{
return(new LocalStr(strings.error_ytdl_empty_response));
}
resource.ResourceTitle = title;
Log.Debug("youtube-dl succeeded!");
return(new PlayResource(url, resource));
}
public async Task <PlayResource> GetResourceById(ResolveContext ctx, AudioResource resource)
{
var resData = await ValidateFromString(ctx.Config, resource.ResourceId);
if (resData.IsIcyStream)
{
resource.ResourceTitle = resData.Title;
return(new MediaPlayResource(resData.FullUri, resource, null, true));
}
if (resource.ResourceTitle is null)
{
if (!string.IsNullOrWhiteSpace(resData.Title))
{
resource.ResourceTitle = resData.Title;
}
else
{
resource.ResourceTitle = resource.ResourceId;
}
}
return(new MediaPlayResource(resData.FullUri, resource, resData.Image, false));
}
public RResultCode GetResource(string uri, out AudioResource resource)
{
return GetResourceById(uri, null, out resource);
}
public BandcampPlayResource(string uri, AudioResource baseData, string artId) : base(uri, baseData)
{
ArtId = artId;
}
public void AddResource(AudioResource resource)
{
if (!resourceSet.Contains(resource))
{
Length++;
}
}
public string RestoreLink(ResolveContext ctx, AudioResource resource)
{
return(SpotifyApi.UriToUrl(resource.ResourceId).OkOr(null));
}
public void RemoveResource(AudioResource resource)
{
if (!resourceSet.Contains(resource))
{
}
}
public RResultCode GetResourceById(string id, string name, out AudioResource resource)
{
var channel = id;
// request api token
string jsonResponse;
if (!WebWrapper.DownloadString(out jsonResponse, new Uri($"http://api.twitch.tv/api/channels/{channel}/access_token")))
{
resource = null;
return RResultCode.NoConnection;
}
var jsonDict = (Dictionary<string, object>)jsonParser.DeserializeObject(jsonResponse);
// request m3u8 file
var token = Uri.EscapeUriString(jsonDict["token"].ToString());
var sig = jsonDict["sig"];
// guaranteed to be random, chosen by fair dice roll.
var random = 4;
string m3u8;
if (!WebWrapper.DownloadString(out m3u8, new Uri($"http://usher.twitch.tv/api/channel/hls/{channel}.m3u8?player=twitchweb&&token={token}&sig={sig}&allow_audio_only=true&allow_source=true&type=any&p={random}")))
{
resource = null;
return RResultCode.NoConnection;
}
// parse m3u8 file
var dataList = new List<StreamData>();
using (var reader = new System.IO.StringReader(m3u8))
{
var header = reader.ReadLine();
if (string.IsNullOrEmpty(header) || header != "#EXTM3U")
{
resource = null;
return RResultCode.TwitchMalformedM3u8File;
}
while (true)
{
var blockInfo = reader.ReadLine();
if (string.IsNullOrEmpty(blockInfo))
break;
var match = m3u8ExtMatch.Match(blockInfo);
if (!match.Success)
continue;
switch (match.Groups[1].Value)
{
case "EXT-X-TWITCH-INFO": break; // Ignore twitch info line
case "EXT-X-MEDIA":
string streamInfo = reader.ReadLine();
Match infoMatch;
if (string.IsNullOrEmpty(streamInfo) ||
!(infoMatch = m3u8ExtMatch.Match(streamInfo)).Success ||
infoMatch.Groups[1].Value != "EXT-X-STREAM-INF")
{
resource = null;
return RResultCode.TwitchMalformedM3u8File;
}
var streamData = new StreamData();
// #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=128000,CODECS="mp4a.40.2",VIDEO="audio_only"
for (int i = 0; i < infoMatch.Groups[3].Captures.Count; i++)
{
string key = infoMatch.Groups[4].Captures[i].Value.ToUpper();
string value = infoMatch.Groups[5].Captures[i].Value;
switch (key)
{
case "BANDWIDTH": streamData.Bandwidth = int.Parse(value); break;
case "CODECS": streamData.Codec = TextUtil.StripQuotes(value); break;
case "VIDEO":
StreamQuality quality;
if (Enum.TryParse(TextUtil.StripQuotes(value), out quality))
streamData.QualityType = quality;
else
streamData.QualityType = StreamQuality.unknown;
break;
}
}
streamData.Url = reader.ReadLine();
dataList.Add(streamData);
break;
default: break;
}
}
}
resource = new TwitchResource(channel, name ?? $"Twitch channel: {channel}", dataList);
return dataList.Count > 0 ? RResultCode.Success : RResultCode.TwitchNoStreamsExtracted;
}
public RResultCode GetResourceById(string id, string name, out AudioResource resource)
{
string finalRequest = $"https://api.soundcloud.com/tracks/{id}/stream?client_id={SoundcloudClientID}";
resource = new SoundcloudResource(id, name, finalRequest);
return RResultCode.Success;
}
public R <PlayResource, LocalStr> GetResourceById(AudioResource resource) => GetResourceById(resource, true);
public string RestoreLink(AudioResource res)
{
IResourceFactory factory = GetFactoryFor(res.AudioType);
return factory.RestoreLink(res.ResourceId);
}
public string?RestoreLink(AudioResource res) => Resolver.RestoreLink(this, res);
public RResultCode GetResourceById(string ytID, string name, out AudioResource result)
{
string resulthtml;
if (!WebWrapper.DownloadString(out resulthtml, new Uri($"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;
}