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			307 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			307 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using MediaBrowser.Controller.Configuration;
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| using MediaBrowser.Model.Logging;
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| using MediaBrowser.Model.Serialization;
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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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| using System.Text;
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| using System.Threading.Tasks;
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| using MediaBrowser.Controller.Net;
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| using MediaBrowser.Model.Globalization;
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| using MediaBrowser.Model.IO;
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| 
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| namespace MediaBrowser.WebDashboard.Api
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| {
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|     public class PackageCreator
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|     {
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|         private readonly IFileSystem _fileSystem;
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|         private readonly ILogger _logger;
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|         private readonly IServerConfigurationManager _config;
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|         private readonly IMemoryStreamFactory _memoryStreamFactory;
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|         private readonly string _basePath;
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| 
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|         public PackageCreator(string basePath, IFileSystem fileSystem, ILogger logger, IServerConfigurationManager config, IMemoryStreamFactory memoryStreamFactory)
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|         {
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|             _fileSystem = fileSystem;
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|             _logger = logger;
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|             _config = config;
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|             _memoryStreamFactory = memoryStreamFactory;
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|             _basePath = basePath;
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|         }
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| 
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|         public async Task<Stream> GetResource(string virtualPath,
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|             string mode,
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|             string localizationCulture,
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|             string appVersion)
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|         {
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|             var resourceStream = GetRawResourceStream(virtualPath);
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| 
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|             if (resourceStream != null)
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|             {
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|                 // Don't apply any caching for html pages
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|                 // jQuery ajax doesn't seem to handle if-modified-since correctly
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|                 if (IsFormat(virtualPath, "html"))
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|                 {
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|                     if (IsCoreHtml(virtualPath))
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|                     {
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|                         resourceStream = await ModifyHtml(virtualPath, resourceStream, mode, appVersion, localizationCulture).ConfigureAwait(false);
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|                     }
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|                 }
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|             }
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| 
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|             return resourceStream;
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|         }
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| 
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|         /// <summary>
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|         /// Determines whether the specified path is HTML.
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|         /// </summary>
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|         /// <param name="path">The path.</param>
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|         /// <param name="format">The format.</param>
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|         /// <returns><c>true</c> if the specified path is HTML; otherwise, <c>false</c>.</returns>
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|         private bool IsFormat(string path, string format)
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|         {
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|             return Path.GetExtension(path).EndsWith(format, StringComparison.OrdinalIgnoreCase);
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|         }
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| 
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|         /// <summary>
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|         /// Gets the dashboard resource path.
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|         /// </summary>
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|         /// <returns>System.String.</returns>
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|         private string GetDashboardResourcePath(string virtualPath)
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|         {
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|             var fullPath = Path.Combine(_basePath, virtualPath.Replace('/', _fileSystem.DirectorySeparatorChar));
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| 
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|             try
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|             {
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|                 fullPath = _fileSystem.GetFullPath(fullPath);
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|             }
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|             catch (Exception ex)
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|             {
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|                 _logger.ErrorException("Error in Path.GetFullPath", ex);
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|             }
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| 
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|             // Don't allow file system access outside of the source folder
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|             if (!_fileSystem.ContainsSubPath(_basePath, fullPath))
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|             {
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|                 throw new SecurityException("Access denied");
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|             }
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| 
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|             return fullPath;
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|         }
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| 
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|         public bool IsCoreHtml(string path)
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|         {
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|             if (path.IndexOf(".template.html", StringComparison.OrdinalIgnoreCase) != -1)
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|             {
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|                 return false;
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|             }
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| 
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|             path = GetDashboardResourcePath(path);
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|             var parent = Path.GetDirectoryName(path);
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| 
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|             return string.Equals(_basePath, parent, StringComparison.OrdinalIgnoreCase) ||
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|                    string.Equals(Path.Combine(_basePath, "voice"), parent, StringComparison.OrdinalIgnoreCase);
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|         }
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| 
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|         /// <summary>
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|         /// Modifies the HTML by adding common meta tags, css and js.
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|         /// </summary>
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|         /// <returns>Task{Stream}.</returns>
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|         public async Task<Stream> ModifyHtml(string path, Stream sourceStream, string mode, string appVersion, string localizationCulture)
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|         {
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|             using (sourceStream)
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|             {
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|                 string html;
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| 
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|                 using (var memoryStream = _memoryStreamFactory.CreateNew())
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|                 {
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|                     await sourceStream.CopyToAsync(memoryStream).ConfigureAwait(false);
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| 
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|                     var originalBytes = memoryStream.ToArray();
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| 
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|                     html = Encoding.UTF8.GetString(originalBytes, 0, originalBytes.Length);
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| 
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|                     if (!string.IsNullOrWhiteSpace(mode))
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|                     {
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|                     }
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|                     else if (!string.IsNullOrWhiteSpace(path) && !string.Equals(path, "index.html", StringComparison.OrdinalIgnoreCase))
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|                     {
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|                         var index = html.IndexOf("<body", StringComparison.OrdinalIgnoreCase);
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|                         if (index != -1)
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|                         {
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|                             html = html.Substring(index);
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| 
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|                             html = html.Substring(html.IndexOf('>') + 1);
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| 
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|                             index = html.IndexOf("</body>", StringComparison.OrdinalIgnoreCase);
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|                             if (index != -1)
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|                             {
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|                                 html = html.Substring(0, index);
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|                             }
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|                         }
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|                         var mainFile = _fileSystem.ReadAllText(GetDashboardResourcePath("index.html"));
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| 
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|                         html = ReplaceFirst(mainFile, "<div class=\"mainAnimatedPages skinBody\"></div>", "<div class=\"mainAnimatedPages skinBody hide\">" + html + "</div>");
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|                     }
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| 
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|                     if (!string.IsNullOrWhiteSpace(localizationCulture))
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|                     {
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|                         var lang = localizationCulture.Split('-').FirstOrDefault();
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| 
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|                         html = html.Replace("<html", "<html data-culture=\"" + localizationCulture + "\" lang=\"" + lang + "\"");
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|                     }
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|                 }
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| 
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|                 html = html.Replace("<head>", "<head>" + GetMetaTags(mode) + GetCommonCss(mode, appVersion));
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| 
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|                 // Disable embedded scripts from plugins. We'll run them later once resources have loaded
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|                 if (html.IndexOf("<script", StringComparison.OrdinalIgnoreCase) != -1)
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|                 {
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|                     html = html.Replace("<script", "<!--<script");
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|                     html = html.Replace("</script>", "</script>-->");
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|                 }
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| 
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|                 html = html.Replace("</body>", GetCommonJavascript(mode, appVersion) + "</body>");
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| 
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|                 var bytes = Encoding.UTF8.GetBytes(html);
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| 
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|                 return _memoryStreamFactory.CreateNew(bytes);
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|             }
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|         }
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| 
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|         public string ReplaceFirst(string text, string search, string replace)
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|         {
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|             int pos = text.IndexOf(search, StringComparison.OrdinalIgnoreCase);
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|             if (pos < 0)
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|             {
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|                 return text;
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|             }
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|             return text.Substring(0, pos) + replace + text.Substring(pos + search.Length);
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|         }
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| 
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|         /// <summary>
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|         /// Gets the meta tags.
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|         /// </summary>
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|         /// <returns>System.String.</returns>
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|         private static string GetMetaTags(string mode)
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|         {
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|             var sb = new StringBuilder();
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| 
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|             if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase) ||
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|                 string.Equals(mode, "android", StringComparison.OrdinalIgnoreCase))
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|             {
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|                 sb.Append("<meta http-equiv=\"Content-Security-Policy\" content=\"default-src * 'self' 'unsafe-inline' 'unsafe-eval' data: gap: file: filesystem: ws: wss:;\">");
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|             }
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|             else
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|             {
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|                 sb.Append("<meta http-equiv=\"X-UA-Compatibility\" content=\"IE=Edge\">");
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|             }
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| 
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|             sb.Append("<link rel=\"manifest\" href=\"manifest.json\">");
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|             sb.Append("<meta name=\"format-detection\" content=\"telephone=no\">");
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|             sb.Append("<meta name=\"msapplication-tap-highlight\" content=\"no\">");
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|             sb.Append("<meta name=\"viewport\" content=\"user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width\">");
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|             sb.Append("<meta name=\"apple-mobile-web-app-capable\" content=\"yes\">");
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|             sb.Append("<meta name=\"mobile-web-app-capable\" content=\"yes\">");
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|             sb.Append("<meta name=\"application-name\" content=\"Emby\">");
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|             //sb.Append("<meta name=\"apple-mobile-web-app-status-bar-style\" content=\"black-translucent\">");
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| 
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|             sb.Append("<meta name=\"robots\" content=\"noindex, nofollow, noarchive\">");
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| 
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|             // Open graph tags
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|             sb.Append("<meta property=\"og:title\" content=\"Emby\">");
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|             sb.Append("<meta property=\"og:site_name\" content=\"Emby\">");
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|             sb.Append("<meta property=\"og:url\" content=\"http://emby.media\">");
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|             sb.Append("<meta property=\"og:description\" content=\"Energize your media.\">");
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|             sb.Append("<meta property=\"og:type\" content=\"article\">");
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|             sb.Append("<meta property=\"fb:app_id\" content=\"1618309211750238\">");
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| 
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|             // http://developer.apple.com/library/ios/#DOCUMENTATION/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html
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|             sb.Append("<link rel=\"apple-touch-icon\" href=\"touchicon.png\">");
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|             sb.Append("<link rel=\"apple-touch-icon\" sizes=\"72x72\" href=\"touchicon72.png\">");
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|             sb.Append("<link rel=\"apple-touch-icon\" sizes=\"114x114\" href=\"touchicon114.png\">");
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|             sb.Append("<link rel=\"apple-touch-startup-image\" href=\"css/images/iossplash.png\">");
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|             sb.Append("<link rel=\"shortcut icon\" href=\"css/images/favicon.ico\">");
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|             sb.Append("<meta name=\"msapplication-TileImage\" content=\"touchicon144.png\">");
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|             sb.Append("<meta name=\"msapplication-TileColor\" content=\"#333333\">");
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|             sb.Append("<meta name=\"theme-color\" content=\"#43A047\">");
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| 
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|             return sb.ToString();
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|         }
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| 
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|         /// <summary>
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|         /// Gets the common CSS.
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|         /// </summary>
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|         /// <param name="mode">The mode.</param>
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|         /// <param name="version">The version.</param>
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|         /// <returns>System.String.</returns>
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|         private string GetCommonCss(string mode, string version)
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|         {
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|             var versionString = string.IsNullOrWhiteSpace(mode) ? "?v=" + version : string.Empty;
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| 
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|             var files = new[]
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|                             {
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|                                       "css/site.css" + versionString,
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|                                       "css/librarymenu.css" + versionString,
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|                                       "css/librarybrowser.css" + versionString,
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|                                       "thirdparty/paper-button-style.css" + versionString
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|                             };
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| 
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|             var tags = files.Select(s => string.Format("<link rel=\"stylesheet\" href=\"{0}\" async />", s)).ToArray();
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| 
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|             return string.Join(string.Empty, tags);
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|         }
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| 
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|         /// <summary>
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|         /// Gets the common javascript.
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|         /// </summary>
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|         /// <param name="mode">The mode.</param>
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|         /// <param name="version">The version.</param>
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|         /// <returns>System.String.</returns>
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|         private string GetCommonJavascript(string mode, string version)
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|         {
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|             var builder = new StringBuilder();
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| 
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|             builder.Append("<script>");
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|             if (!string.IsNullOrWhiteSpace(mode))
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|             {
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|                 builder.AppendFormat("window.appMode='{0}';", mode);
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|             }
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| 
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|             if (string.IsNullOrWhiteSpace(mode))
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|             {
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|                 builder.AppendFormat("window.dashboardVersion='{0}';", version);
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|             }
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| 
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|             builder.Append("</script>");
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| 
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|             var versionString = string.IsNullOrWhiteSpace(mode) ? "?v=" + version : string.Empty;
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| 
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|             var files = new List<string>();
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| 
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|             files.Add("scripts/apploader.js" + versionString);
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| 
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|             if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
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|             {
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|                 files.Insert(0, "cordova.js");
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|             }
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| 
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|             var tags = files.Select(s => string.Format("<script src=\"{0}\" defer></script>", s)).ToArray();
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| 
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|             builder.Append(string.Join(string.Empty, tags));
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| 
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|             return builder.ToString();
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|         }
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| 
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|         /// <summary>
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|         /// Gets the raw resource stream.
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|         /// </summary>
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|         private Stream GetRawResourceStream(string virtualPath)
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|         {
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|             return _fileSystem.GetFileStream(GetDashboardResourcePath(virtualPath), FileOpenMode.Open, FileAccessMode.Read, FileShareMode.ReadWrite, true);
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|         }
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| 
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|     }
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| }
 |