jellyfin-server/MediaBrowser.WebDashboard/Api/PackageCreator.cs
2015-04-19 11:54:20 -04:00

636 lines
27 KiB
C#

using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Serialization;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WebMarkupMin.Core.Minifiers;
using WebMarkupMin.Core.Settings;
namespace MediaBrowser.WebDashboard.Api
{
public class PackageCreator
{
private readonly IFileSystem _fileSystem;
private readonly ILocalizationManager _localization;
private readonly ILogger _logger;
private readonly IServerConfigurationManager _config;
private readonly IJsonSerializer _jsonSerializer;
public PackageCreator(IFileSystem fileSystem, ILocalizationManager localization, ILogger logger, IServerConfigurationManager config, IJsonSerializer jsonSerializer)
{
_fileSystem = fileSystem;
_localization = localization;
_logger = logger;
_config = config;
_jsonSerializer = jsonSerializer;
}
public async Task<Stream> GetResource(string path,
string localizationCulture,
string appVersion, bool enableMinification)
{
var isHtml = IsHtml(path);
Stream resourceStream;
if (path.Equals("scripts/all.js", StringComparison.OrdinalIgnoreCase))
{
resourceStream = await GetAllJavascript(localizationCulture, appVersion, enableMinification).ConfigureAwait(false);
}
else if (path.Equals("css/all.css", StringComparison.OrdinalIgnoreCase))
{
resourceStream = await GetAllCss(enableMinification).ConfigureAwait(false);
}
else
{
resourceStream = GetRawResourceStream(path);
}
if (resourceStream != null)
{
// Don't apply any caching for html pages
// jQuery ajax doesn't seem to handle if-modified-since correctly
if (isHtml)
{
resourceStream = await ModifyHtml(resourceStream, localizationCulture, enableMinification).ConfigureAwait(false);
}
}
return resourceStream;
}
/// <summary>
/// Determines whether the specified path is HTML.
/// </summary>
/// <param name="path">The path.</param>
/// <returns><c>true</c> if the specified path is HTML; otherwise, <c>false</c>.</returns>
private bool IsHtml(string path)
{
return Path.GetExtension(path).EndsWith("html", StringComparison.OrdinalIgnoreCase);
}
/// <summary>
/// Gets the dashboard UI path.
/// </summary>
/// <value>The dashboard UI path.</value>
public string DashboardUIPath
{
get
{
if (!string.IsNullOrEmpty(_config.Configuration.DashboardSourcePath))
{
return _config.Configuration.DashboardSourcePath;
}
return Path.Combine(_config.ApplicationPaths.ApplicationResourcesPath, "dashboard-ui");
}
}
/// <summary>
/// Gets the dashboard resource path.
/// </summary>
/// <param name="virtualPath">The virtual path.</param>
/// <returns>System.String.</returns>
private string GetDashboardResourcePath(string virtualPath)
{
return Path.Combine(DashboardUIPath, virtualPath.Replace('/', Path.DirectorySeparatorChar));
}
/// <summary>
/// Modifies the HTML by adding common meta tags, css and js.
/// </summary>
/// <param name="sourceStream">The source stream.</param>
/// <param name="localizationCulture">The localization culture.</param>
/// <param name="enableMinification">if set to <c>true</c> [enable minification].</param>
/// <returns>Task{Stream}.</returns>
public async Task<Stream> ModifyHtml(Stream sourceStream, string localizationCulture, bool enableMinification)
{
using (sourceStream)
{
string html;
using (var memoryStream = new MemoryStream())
{
await sourceStream.CopyToAsync(memoryStream).ConfigureAwait(false);
html = Encoding.UTF8.GetString(memoryStream.ToArray());
if (!string.IsNullOrWhiteSpace(localizationCulture))
{
var lang = localizationCulture.Split('-').FirstOrDefault();
html = _localization.LocalizeDocument(html, localizationCulture, GetLocalizationToken);
html = html.Replace("<html>", "<html lang=\"" + lang + "\">");
}
if (enableMinification)
{
try
{
var minifier = new HtmlMinifier(new HtmlMinificationSettings());
var result = minifier.Minify(html, false);
if (result.Errors.Count > 0)
{
_logger.Error("Error minifying html: " + result.Errors[0].Message);
}
else
{
html = result.MinifiedContent;
}
}
catch (Exception ex)
{
_logger.ErrorException("Error minifying html", ex);
}
}
}
var version = GetType().Assembly.GetName().Version;
html = html.Replace("<head>", "<head>" + GetMetaTags() + GetCommonCss(version) + GetCommonJavascript(version));
var bytes = Encoding.UTF8.GetBytes(html);
return new MemoryStream(bytes);
}
}
private string GetLocalizationToken(string phrase)
{
return "${" + phrase + "}";
}
/// <summary>
/// Gets the meta tags.
/// </summary>
/// <returns>System.String.</returns>
private static string GetMetaTags()
{
var sb = new StringBuilder();
sb.Append("<meta http-equiv=\"X-UA-Compatibility\" content=\"IE=Edge\">");
sb.Append("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1, user-scalable=no\">");
//sb.Append("<meta name=\"apple-mobile-web-app-capable\" content=\"yes\">");
sb.Append("<meta name=\"mobile-web-app-capable\" content=\"yes\">");
sb.Append("<meta name=\"application-name\" content=\"Emby\">");
//sb.Append("<meta name=\"apple-mobile-web-app-status-bar-style\" content=\"black-translucent\">");
sb.Append("<meta name=\"robots\" content=\"noindex, nofollow, noarchive\" />");
// http://developer.apple.com/library/ios/#DOCUMENTATION/AppleApplications/Reference/SafariWebContent/ConfiguringWebApplications/ConfiguringWebApplications.html
sb.Append("<link rel=\"apple-touch-icon\" href=\"css/images/touchicon.png\" />");
sb.Append("<link rel=\"apple-touch-icon\" sizes=\"72x72\" href=\"css/images/touchicon72.png\" />");
sb.Append("<link rel=\"apple-touch-icon\" sizes=\"114x114\" href=\"css/images/touchicon114.png\" />");
sb.Append("<link rel=\"apple-touch-startup-image\" href=\"css/images/iossplash.png\" />");
sb.Append("<link rel=\"shortcut icon\" href=\"css/images/favicon.ico\" />");
sb.Append("<meta name=\"msapplication-TileImage\" content=\"css/images/touchicon144.png\">");
sb.Append("<meta name=\"msapplication-TileColor\" content=\"#23456B\">");
return sb.ToString();
}
/// <summary>
/// Gets the common CSS.
/// </summary>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private string GetCommonCss(Version version)
{
var versionString = "?v=" + version;
var files = new[]
{
"thirdparty/jquerymobile-1.4.5/jquery.mobile-1.4.5.min.css",
"thirdparty/swipebox-master/css/swipebox.min.css" + versionString,
"thirdparty/fontawesome/css/font-awesome.min.css" + versionString,
"thirdparty/jstree3.0.8/themes/default/style.min.css",
"css/all.css" + versionString
};
var tags = files.Select(s => string.Format("<link rel=\"stylesheet\" href=\"{0}\" />", s)).ToArray();
return string.Join(string.Empty, tags);
}
/// <summary>
/// Gets the common javascript.
/// </summary>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private string GetCommonJavascript(Version version)
{
var builder = new StringBuilder();
var versionString = "?v=" + version;
var files = new[]
{
"scripts/all.js" + versionString,
"thirdparty/swipebox-master/js/jquery.swipebox.min.js" + versionString
};
var tags = files.Select(s => string.Format("<script src=\"{0}\"></script>", s)).ToArray();
builder.Append(string.Join(string.Empty, tags));
return builder.ToString();
}
/// <summary>
/// Gets a stream containing all concatenated javascript
/// </summary>
/// <returns>Task{Stream}.</returns>
private async Task<Stream> GetAllJavascript(string culture, string version, bool enableMinification)
{
var memoryStream = new MemoryStream();
var newLineBytes = Encoding.UTF8.GetBytes(Environment.NewLine);
// jQuery + jQuery mobile
await AppendResource(memoryStream, "thirdparty/jquery-2.1.1.min.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jquerymobile-1.4.5/jquery.mobile-1.4.5.min.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jquery.unveil-custom.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/cast_sender.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/browser.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jstree3.0.8/jstree.js", newLineBytes).ConfigureAwait(false);
await AppendLocalization(memoryStream, culture).ConfigureAwait(false);
await memoryStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
// Write the version string for the dashboard comparison function
var versionString = string.Format("window.dashboardVersion='{0}';", version);
var versionBytes = Encoding.UTF8.GetBytes(versionString);
await memoryStream.WriteAsync(versionBytes, 0, versionBytes.Length).ConfigureAwait(false);
await memoryStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
var builder = new StringBuilder();
foreach (var file in new[]
{
"thirdparty/apiclient/logger.js",
"thirdparty/apiclient/md5.js",
"thirdparty/apiclient/sha1.js",
"thirdparty/apiclient/store.js",
"thirdparty/apiclient/network.js",
"thirdparty/apiclient/device.js",
"thirdparty/apiclient/credentials.js",
"thirdparty/apiclient/ajax.js",
"thirdparty/apiclient/events.js",
"thirdparty/apiclient/deferred.js",
"thirdparty/apiclient/apiclient.js",
"thirdparty/apiclient/connectservice.js",
"thirdparty/apiclient/serverdiscovery.js",
"thirdparty/apiclient/connectionmanager.js"
})
{
using (var fs = _fileSystem.GetFileStream(GetDashboardResourcePath(file), FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
using (var streamReader = new StreamReader(fs))
{
var text = await streamReader.ReadToEndAsync().ConfigureAwait(false);
builder.Append(text);
builder.Append(Environment.NewLine);
}
}
}
foreach (var file in GetScriptFiles())
{
var path = GetDashboardResourcePath("scripts/" + file);
using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
using (var streamReader = new StreamReader(fs))
{
var text = await streamReader.ReadToEndAsync().ConfigureAwait(false);
builder.Append(text);
builder.Append(Environment.NewLine);
}
}
}
var js = builder.ToString();
if (enableMinification)
{
try
{
var result = new CrockfordJsMinifier().Minify(js, false, Encoding.UTF8);
if (result.Errors.Count > 0)
{
_logger.Error("Error minifying javascript: " + result.Errors[0].Message);
}
else
{
js = result.MinifiedContent;
}
}
catch (Exception ex)
{
_logger.ErrorException("Error minifying javascript", ex);
}
}
var bytes = Encoding.UTF8.GetBytes(js);
await memoryStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
memoryStream.Position = 0;
return memoryStream;
}
private IEnumerable<string> GetScriptFiles()
{
return new[]
{
"extensions.js",
"site.js",
"librarybrowser.js",
"librarylist.js",
"editorsidebar.js",
"librarymenu.js",
"mediacontroller.js",
"chromecast.js",
"backdrops.js",
"sync.js",
"syncjob.js",
"appservices.js",
"playlistmanager.js",
"mediaplayer.js",
"mediaplayer-video.js",
"nowplayingbar.js",
"nowplayingpage.js",
"taskbutton.js",
"ratingdialog.js",
"aboutpage.js",
"alphapicker.js",
"addpluginpage.js",
"advancedconfigurationpage.js",
"metadataadvanced.js",
"autoorganizetv.js",
"autoorganizelog.js",
"channels.js",
"channelslatest.js",
"channelitems.js",
"channelsettings.js",
"connectlogin.js",
"dashboardgeneral.js",
"dashboardhosting.js",
"dashboardpage.js",
"device.js",
"devices.js",
"devicesupload.js",
"directorybrowser.js",
"dlnaprofile.js",
"dlnaprofiles.js",
"dlnasettings.js",
"dlnaserversettings.js",
"editcollectionitems.js",
"edititemmetadata.js",
"edititemimages.js",
"edititemsubtitles.js",
"playbackconfiguration.js",
"cinemamodeconfiguration.js",
"encodingsettings.js",
"externalplayer.js",
"favorites.js",
"forgotpassword.js",
"forgotpasswordpin.js",
"gamesrecommendedpage.js",
"gamesystemspage.js",
"gamespage.js",
"gamegenrepage.js",
"gamestudiospage.js",
"homelatest.js",
"indexpage.js",
"itembynamedetailpage.js",
"itemdetailpage.js",
"itemlistpage.js",
"kids.js",
"librarypathmapping.js",
"reports.js",
"librarysettings.js",
"livetvchannel.js",
"livetvchannels.js",
"livetvguide.js",
"livetvitems.js",
"livetvnewrecording.js",
"livetvprogram.js",
"livetvrecording.js",
"livetvrecordinglist.js",
"livetvrecordings.js",
"livetvtimer.js",
"livetvseriestimer.js",
"livetvseriestimers.js",
"livetvsettings.js",
"livetvsuggested.js",
"livetvstatus.js",
"livetvtimers.js",
"loginpage.js",
"logpage.js",
"medialibrarypage.js",
"metadataconfigurationpage.js",
"metadataimagespage.js",
"metadatasubtitles.js",
"metadatanfo.js",
"moviegenres.js",
"moviecollections.js",
"movies.js",
"moviepeople.js",
"moviesrecommended.js",
"moviestudios.js",
"movietrailers.js",
"musicalbums.js",
"musicalbumartists.js",
"musicartists.js",
"musicgenres.js",
"musicrecommended.js",
"musicvideos.js",
"mypreferencesdisplay.js",
"mypreferenceslanguages.js",
"mypreferenceswebclient.js",
"notifications.js",
"notificationlist.js",
"notificationsetting.js",
"notificationsettings.js",
"photos.js",
"playlists.js",
"playlistedit.js",
"plugincatalogpage.js",
"pluginspage.js",
"remotecontrol.js",
"scheduledtaskpage.js",
"scheduledtaskspage.js",
"search.js",
"selectserver.js",
"serversecurity.js",
"songs.js",
"streamingsettings.js",
"supporterkeypage.js",
"supporterpage.js",
"syncactivity.js",
"syncsettings.js",
"episodes.js",
"thememediaplayer.js",
"tvgenres.js",
"tvlatest.js",
"tvpeople.js",
"tvrecommended.js",
"tvshows.js",
"tvstudios.js",
"tvupcoming.js",
"useredit.js",
"usernew.js",
"myprofile.js",
"userpassword.js",
"userprofilespage.js",
"userparentalcontrol.js",
"userlibraryaccess.js",
"wizardagreement.js",
"wizardfinishpage.js",
"wizardservice.js",
"wizardstartpage.js",
"wizardsettings.js",
"wizarduserpage.js"
};
}
private async Task AppendLocalization(Stream stream, string culture)
{
var js = "window.localizationGlossary=" + _jsonSerializer.SerializeToString(_localization.GetJavaScriptLocalizationDictionary(culture));
var bytes = Encoding.UTF8.GetBytes(js);
await stream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
/// <summary>
/// Appends the resource.
/// </summary>
/// <param name="outputStream">The output stream.</param>
/// <param name="path">The path.</param>
/// <param name="newLineBytes">The new line bytes.</param>
/// <returns>Task.</returns>
private async Task AppendResource(Stream outputStream, string path, byte[] newLineBytes)
{
path = GetDashboardResourcePath(path);
using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
using (var streamReader = new StreamReader(fs))
{
var text = await streamReader.ReadToEndAsync().ConfigureAwait(false);
var bytes = Encoding.UTF8.GetBytes(text);
await outputStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
}
await outputStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
}
/// <summary>
/// Gets all CSS.
/// </summary>
/// <returns>Task{Stream}.</returns>
private async Task<Stream> GetAllCss(bool enableMinification)
{
var files = new[]
{
"site.css",
"chromecast.css",
"mediaplayer.css",
"mediaplayer-video.css",
"librarymenu.css",
"librarybrowser.css",
"detailtable.css",
"card.css",
"tileitem.css",
"metadataeditor.css",
"notifications.css",
"search.css",
"pluginupdates.css",
"remotecontrol.css",
"userimage.css",
"livetv.css",
"nowplaying.css",
"icons.css",
"materialize.css"
};
var builder = new StringBuilder();
foreach (var file in files)
{
var path = GetDashboardResourcePath("css/" + file);
using (var fs = _fileSystem.GetFileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
using (var streamReader = new StreamReader(fs))
{
var text = await streamReader.ReadToEndAsync().ConfigureAwait(false);
builder.Append(text);
builder.Append(Environment.NewLine);
}
}
}
var css = builder.ToString();
if (enableMinification)
{
try
{
var result = new KristensenCssMinifier().Minify(builder.ToString(), false, Encoding.UTF8);
if (result.Errors.Count > 0)
{
_logger.Error("Error minifying css: " + result.Errors[0].Message);
}
else
{
css = result.MinifiedContent;
}
}
catch (Exception ex)
{
_logger.ErrorException("Error minifying css", ex);
}
}
var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(css));
memoryStream.Position = 0;
return memoryStream;
}
/// <summary>
/// Gets the raw resource stream.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>Task{Stream}.</returns>
private Stream GetRawResourceStream(string path)
{
return _fileSystem.GetFileStream(GetDashboardResourcePath(path), FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true);
}
}
}