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using MediaBrowser.Model.Extensions;
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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 Dictionary<string, string> GetVideoFileExtensionsDictionary()
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{
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Dictionary<string, string> dict = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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foreach (string ext in VideoFileExtensions)
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{
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dict[ext] = ext;
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}
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return dict;
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}
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private static readonly Dictionary<string, string> VideoFileExtensionsDictionary = GetVideoFileExtensionsDictionary();
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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 Dictionary<string, string> GetMimeTypeLookup()
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{
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Dictionary<string, string> dict = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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dict.Add(".jpg", "image/jpeg");
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dict.Add(".jpeg", "image/jpeg");
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dict.Add(".tbn", "image/jpeg");
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dict.Add(".png", "image/png");
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dict.Add(".gif", "image/gif");
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dict.Add(".webp", "image/webp");
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dict.Add(".ico", "image/vnd.microsoft.icon");
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dict.Add(".mpg", "video/mpeg");
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dict.Add(".mpeg", "video/mpeg");
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dict.Add(".ogv", "video/ogg");
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dict.Add(".mov", "video/quicktime");
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dict.Add(".webm", "video/webm");
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dict.Add(".mkv", "video/x-matroska");
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dict.Add(".wmv", "video/x-ms-wmv");
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dict.Add(".flv", "video/x-flv");
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dict.Add(".avi", "video/x-msvideo");
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dict.Add(".asf", "video/x-ms-asf");
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dict.Add(".m4v", "video/x-m4v");
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return dict;
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}
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private static readonly Dictionary<string, string> MimeTypeLookup = GetMimeTypeLookup();
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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 (StringHelper.EqualsIgnoreCase(ext, ".3gp"))
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{
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return "video/3gpp";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".3g2"))
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{
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return "video/3gpp2";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".ts"))
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{
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return "video/mp2t";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".mpd"))
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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 (StringHelper.EqualsIgnoreCase(ext, ".css"))
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{
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return "text/css";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".csv"))
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{
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return "text/csv";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".html"))
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{
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return "text/html; charset=UTF-8";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".htm"))
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{
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return "text/html; charset=UTF-8";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".txt"))
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{
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return "text/plain";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".xml"))
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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 (StringHelper.EqualsIgnoreCase(ext, ".pdf"))
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{
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return "application/pdf";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".mobi"))
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{
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return "application/x-mobipocket-ebook";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".epub"))
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{
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return "application/epub+zip";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".cbz"))
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{
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return "application/epub+zip";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".cbr"))
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{
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return "application/epub+zip";
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}
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// Type audio
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if (StringHelper.EqualsIgnoreCase(ext, ".mp3"))
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{
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return "audio/mpeg";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".m4a"))
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{
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return "audio/mp4";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".aac"))
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{
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return "audio/mp4";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".webma"))
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{
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return "audio/webm";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".wav"))
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{
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return "audio/wav";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".wma"))
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{
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return "audio/x-ms-wma";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".flac"))
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{
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return "audio/flac";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".aac"))
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{
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return "audio/x-aac";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".ogg"))
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{
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return "audio/ogg";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".oga"))
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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 (StringHelper.EqualsIgnoreCase(ext, ".m3u8"))
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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 (StringHelper.EqualsIgnoreCase(ext, ".dll"))
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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 (StringHelper.EqualsIgnoreCase(ext, ".js"))
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{
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return "application/x-javascript";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".json"))
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{
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return "application/json";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".map"))
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{
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return "application/x-javascript";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".woff"))
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{
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return "font/woff";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".ttf"))
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{
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return "font/ttf";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".eot"))
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{
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return "application/vnd.ms-fontobject";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".svg"))
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{
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return "image/svg+xml";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".svgz"))
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{
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return "image/svg+xml";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".srt"))
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{
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return "text/plain";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".vtt"))
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{
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return "text/vtt";
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}
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if (StringHelper.EqualsIgnoreCase(ext, ".ttml"))
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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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return null;
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}
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}
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}
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