mirror of
https://github.com/jellyfin/jellyfin.git
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286 lines
9.3 KiB
C#
286 lines
9.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace MediaBrowser.Model.Net
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{
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/// <summary>
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/// Class MimeTypes
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/// </summary>
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public static class MimeTypes
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{
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/// <summary>
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/// Any extension in this list is considered a video file - can be added to at runtime for extensibility
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/// </summary>
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private static readonly List<string> VideoFileExtensions = new List<string>
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{
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".mkv",
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".m2t",
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".m2ts",
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".img",
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".iso",
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".mk3d",
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".ts",
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".rmvb",
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".mov",
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".avi",
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".mpg",
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".mpeg",
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".wmv",
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".mp4",
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".divx",
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".dvr-ms",
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".wtv",
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".ogm",
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".ogv",
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".asf",
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".m4v",
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".flv",
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".f4v",
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".3gp",
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".webm",
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".mts",
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".m2v",
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".rec"
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};
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private static readonly Dictionary<string, string> VideoFileExtensionsDictionary = VideoFileExtensions.ToDictionary(i => i, StringComparer.OrdinalIgnoreCase);
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// http://en.wikipedia.org/wiki/Internet_media_type
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// Add more as needed
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private static readonly Dictionary<string, string> MimeTypeLookup =
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new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
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{
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{".jpg", "image/jpeg"},
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{".jpeg", "image/jpeg"},
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{".tbn", "image/jpeg"},
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{".png", "image/png"},
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{".gif", "image/gif"},
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{".webp", "image/webp"},
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{".ico", "image/vnd.microsoft.icon"},
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{".mpg", "video/mpeg"},
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{".mpeg", "video/mpeg"},
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{".ogv", "video/ogg"},
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{".mov", "video/quicktime"},
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{".webm", "video/webm"},
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{".mkv", "video/x-matroska"},
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{".wmv", "video/x-ms-wmv"},
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{".flv", "video/x-flv"},
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{".avi", "video/x-msvideo"},
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{".asf", "video/x-ms-asf"},
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{".m4v", "video/x-m4v"}
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};
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private static readonly Dictionary<string, string> ExtensionLookup = CreateExtensionLookup();
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private static Dictionary<string, string> CreateExtensionLookup()
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{
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var dict = MimeTypeLookup
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.GroupBy(i => i.Value)
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.ToDictionary(x => x.Key, x => x.First().Key, StringComparer.OrdinalIgnoreCase);
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dict["image/jpg"] = ".jpg";
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return dict;
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}
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/// <summary>
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/// Gets the type of the MIME.
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/// </summary>
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/// <param name="path">The path.</param>
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/// <returns>System.String.</returns>
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/// <exception cref="ArgumentNullException">path</exception>
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/// <exception cref="InvalidOperationException">Argument not supported: + path</exception>
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public static string GetMimeType(string path)
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{
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if (string.IsNullOrEmpty(path))
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{
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throw new ArgumentNullException("path");
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}
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var ext = Path.GetExtension(path) ?? string.Empty;
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string result;
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if (MimeTypeLookup.TryGetValue(ext, out result))
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{
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return result;
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}
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// Type video
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if (ext.Equals(".3gp", StringComparison.OrdinalIgnoreCase))
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{
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return "video/3gpp";
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}
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if (ext.Equals(".3g2", StringComparison.OrdinalIgnoreCase))
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{
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return "video/3gpp2";
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}
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if (ext.Equals(".ts", StringComparison.OrdinalIgnoreCase))
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{
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return "video/mp2t";
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}
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if (ext.Equals(".mpd", StringComparison.OrdinalIgnoreCase))
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{
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return "video/vnd.mpeg.dash.mpd";
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}
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// Catch-all for all video types that don't require specific mime types
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if (VideoFileExtensionsDictionary.ContainsKey(ext))
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{
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return "video/" + ext.TrimStart('.').ToLower();
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}
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// Type text
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if (ext.Equals(".css", StringComparison.OrdinalIgnoreCase))
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{
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return "text/css";
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}
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if (ext.Equals(".csv", StringComparison.OrdinalIgnoreCase))
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{
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return "text/csv";
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}
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if (ext.Equals(".html", StringComparison.OrdinalIgnoreCase) || ext.Equals(".htm", StringComparison.OrdinalIgnoreCase))
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{
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return "text/html; charset=UTF-8";
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}
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if (ext.Equals(".txt", StringComparison.OrdinalIgnoreCase))
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{
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return "text/plain";
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}
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if (ext.Equals(".xml", StringComparison.OrdinalIgnoreCase))
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{
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return "application/xml";
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}
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// Type document
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if (ext.Equals(".pdf", StringComparison.OrdinalIgnoreCase))
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{
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return "application/pdf";
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}
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if (ext.Equals(".mobi", StringComparison.OrdinalIgnoreCase))
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{
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return "application/x-mobipocket-ebook";
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}
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if (ext.Equals(".epub", StringComparison.OrdinalIgnoreCase))
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{
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return "application/epub+zip";
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}
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if (ext.Equals(".cbz", StringComparison.OrdinalIgnoreCase) || ext.Equals(".cbr", StringComparison.OrdinalIgnoreCase))
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{
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return "application/x-cdisplay";
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}
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// Type audio
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if (ext.Equals(".mp3", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/mpeg";
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}
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if (ext.Equals(".m4a", StringComparison.OrdinalIgnoreCase) || ext.Equals(".aac", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/mp4";
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}
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if (ext.Equals(".webma", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/webm";
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}
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if (ext.Equals(".wav", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/wav";
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}
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if (ext.Equals(".wma", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/x-ms-wma";
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}
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if (ext.Equals(".flac", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/flac";
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}
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if (ext.Equals(".aac", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/x-aac";
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}
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if (ext.Equals(".ogg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".oga", StringComparison.OrdinalIgnoreCase))
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{
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return "audio/ogg";
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}
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// Playlists
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if (ext.Equals(".m3u8", StringComparison.OrdinalIgnoreCase))
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{
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return "application/x-mpegURL";
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}
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// Misc
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if (ext.Equals(".dll", StringComparison.OrdinalIgnoreCase))
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{
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return "application/octet-stream";
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}
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// Web
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if (ext.Equals(".js", StringComparison.OrdinalIgnoreCase))
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{
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return "application/x-javascript";
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}
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if (ext.Equals(".json", StringComparison.OrdinalIgnoreCase))
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{
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return "application/json";
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}
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if (ext.Equals(".map", StringComparison.OrdinalIgnoreCase))
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{
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return "application/x-javascript";
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}
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if (ext.Equals(".woff", StringComparison.OrdinalIgnoreCase))
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{
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return "font/woff";
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}
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if (ext.Equals(".ttf", StringComparison.OrdinalIgnoreCase))
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{
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return "font/ttf";
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}
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if (ext.Equals(".eot", StringComparison.OrdinalIgnoreCase))
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{
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return "application/vnd.ms-fontobject";
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}
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if (ext.Equals(".svg", StringComparison.OrdinalIgnoreCase) || ext.Equals(".svgz", StringComparison.OrdinalIgnoreCase))
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{
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return "image/svg+xml";
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}
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if (ext.Equals(".srt", StringComparison.OrdinalIgnoreCase))
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{
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return "text/plain";
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}
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if (ext.Equals(".vtt", StringComparison.OrdinalIgnoreCase))
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{
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return "text/vtt";
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}
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if (ext.Equals(".ttml", StringComparison.OrdinalIgnoreCase))
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{
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return "application/ttml+xml";
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}
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return "application/octet-stream";
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}
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public static string ToExtension(string mimeType)
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{
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if (string.IsNullOrEmpty(mimeType))
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{
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throw new ArgumentNullException("mimeType");
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}
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string result;
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if (ExtensionLookup.TryGetValue(mimeType, out result))
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{
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return result;
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}
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throw new ArgumentNullException("Unable to determine extension for mimeType: " + mimeType);
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}
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}
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}
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