jellyfin/MediaBrowser.WebDashboard/Api/PackageCreator.cs
2015-07-12 12:06:23 -04:00

775 lines
31 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;
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 mode,
string localizationCulture,
string appVersion,
bool enableMinification)
{
Stream resourceStream;
if (path.Equals("scripts/all.js", StringComparison.OrdinalIgnoreCase))
{
resourceStream = await GetAllJavascript(mode, localizationCulture, appVersion, enableMinification).ConfigureAwait(false);
enableMinification = false;
}
else if (path.Equals("css/all.css", StringComparison.OrdinalIgnoreCase))
{
resourceStream = await GetAllCss(enableMinification).ConfigureAwait(false);
enableMinification = 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 (IsFormat(path, "html"))
{
if (IsCoreHtml(path))
{
resourceStream = await ModifyHtml(resourceStream, mode, localizationCulture, enableMinification).ConfigureAwait(false);
}
}
else if (IsFormat(path, "js"))
{
if (path.IndexOf("thirdparty", StringComparison.OrdinalIgnoreCase) == -1 && path.IndexOf("bower_components", StringComparison.OrdinalIgnoreCase) == -1)
{
resourceStream = await ModifyJs(resourceStream, enableMinification).ConfigureAwait(false);
}
}
else if (IsFormat(path, "css"))
{
if (path.IndexOf("thirdparty", StringComparison.OrdinalIgnoreCase) == -1 && path.IndexOf("bower_components", StringComparison.OrdinalIgnoreCase) == -1)
{
resourceStream = await ModifyCss(resourceStream, enableMinification).ConfigureAwait(false);
}
}
}
return resourceStream;
}
/// <summary>
/// Determines whether the specified path is HTML.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="format">The format.</param>
/// <returns><c>true</c> if the specified path is HTML; otherwise, <c>false</c>.</returns>
private bool IsFormat(string path, string format)
{
return Path.GetExtension(path).EndsWith(format, 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)
{
var rootPath = DashboardUIPath;
var fullPath = Path.Combine(rootPath, virtualPath.Replace('/', Path.DirectorySeparatorChar));
try
{
fullPath = Path.GetFullPath(fullPath);
}
catch (Exception ex)
{
_logger.ErrorException("Error in Path.GetFullPath", ex);
}
// Don't allow file system access outside of the source folder
if (!_fileSystem.ContainsSubPath(rootPath, fullPath))
{
throw new UnauthorizedAccessException();
}
return fullPath;
}
public async Task<Stream> ModifyCss(Stream sourceStream, bool enableMinification)
{
using (sourceStream)
{
string content;
using (var memoryStream = new MemoryStream())
{
await sourceStream.CopyToAsync(memoryStream).ConfigureAwait(false);
content = Encoding.UTF8.GetString(memoryStream.ToArray());
if (enableMinification)
{
try
{
var result = new KristensenCssMinifier().Minify(content, false, Encoding.UTF8);
if (result.Errors.Count > 0)
{
_logger.Error("Error minifying css: " + result.Errors[0].Message);
}
else
{
content = result.MinifiedContent;
}
}
catch (Exception ex)
{
_logger.ErrorException("Error minifying css", ex);
}
}
}
var bytes = Encoding.UTF8.GetBytes(content);
return new MemoryStream(bytes);
}
}
public async Task<Stream> ModifyJs(Stream sourceStream, bool enableMinification)
{
using (sourceStream)
{
string content;
using (var memoryStream = new MemoryStream())
{
await sourceStream.CopyToAsync(memoryStream).ConfigureAwait(false);
content = Encoding.UTF8.GetString(memoryStream.ToArray());
if (enableMinification)
{
try
{
var result = new CrockfordJsMinifier().Minify(content, false, Encoding.UTF8);
if (result.Errors.Count > 0)
{
_logger.Error("Error minifying javascript: " + result.Errors[0].Message);
}
else
{
content = result.MinifiedContent;
}
}
catch (Exception ex)
{
_logger.ErrorException("Error minifying javascript", ex);
}
}
}
var bytes = Encoding.UTF8.GetBytes(content);
return new MemoryStream(bytes);
}
}
private bool IsCoreHtml(string path)
{
if (path.IndexOf("vulcanize", StringComparison.OrdinalIgnoreCase) != -1)
{
return false;
}
path = GetDashboardResourcePath(path);
var parent = Path.GetDirectoryName(path);
var basePath = DashboardUIPath;
return string.Equals(basePath, parent, StringComparison.OrdinalIgnoreCase) ||
string.Equals(Path.Combine(basePath, "voice"), parent, StringComparison.OrdinalIgnoreCase);
}
/// <summary>
/// Modifies the HTML by adding common meta tags, css and js.
/// </summary>
/// <param name="sourceStream">The source stream.</param>
/// <param name="mode">The mode.</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 mode, 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.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
{
html = ModifyForCordova(html);
}
if (!string.IsNullOrWhiteSpace(localizationCulture))
{
var lang = localizationCulture.Split('-').FirstOrDefault();
html = _localization.LocalizeDocument(html, localizationCulture, GetLocalizationToken);
html = html.Replace("<html>", "<html lang=\"" + lang + "\">");
}
html = html.Replace("<body>", "<body><paper-drawer-panel class=\"mainDrawerPanel mainDrawerPanelPreInit\" forceNarrow><div class=\"mainDrawer\" drawer></div><div main><div class=\"pageContainer\">")
.Replace("</body>", "</div></div></paper-drawer-panel></body>");
if (enableMinification)
{
try
{
var minifier = new HtmlMinifier(new HtmlMinificationSettings
{
AttributeQuotesRemovalMode = HtmlAttributeQuotesRemovalMode.KeepQuotes,
RemoveOptionalEndTags = false,
RemoveTagsWithoutContent = false
});
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;
var imports = new string[]
{
"vulcanize-out.html"
};
var importsHtml = string.Join("", imports.Select(i => "<link rel=\"import\" href=\"" + i + "\">").ToArray());
// It would be better to make polymer completely dynamic and loaded on demand, but seeing issues with that
// In chrome it is causing the body to be hidden while loading, which leads to width-check methods to return 0 for everything
//imports = "";
html = html.Replace("<head>", "<head>" + GetMetaTags(mode) + GetCommonCss(mode, version) + GetInitialJavascript(mode, version) + importsHtml + GetCommonJavascript(mode, version));
var bytes = Encoding.UTF8.GetBytes(html);
return new MemoryStream(bytes);
}
}
private string ModifyForCordova(string html)
{
// Strip everything between CORDOVA_EXCLUDE_START and CORDOVA_EXCLUDE_END
html = ReplaceBetween(html, "<!--CORDOVA_EXCLUDE_START-->", "<!--CORDOVA_EXCLUDE_END-->", string.Empty);
// Replace CORDOVA_REPLACE_SUPPORTER_SUBMIT_START
html = ReplaceBetween(html, "<!--CORDOVA_REPLACE_SUPPORTER_SUBMIT_START-->", "<!--CORDOVA_REPLACE_SUPPORTER_SUBMIT_END-->", "<i class=\"fa fa-check\"></i><span>${ButtonPurchase}</span>");
return html;
}
private string ReplaceBetween(string html, string startToken, string endToken, string newHtml)
{
var start = html.IndexOf(startToken, StringComparison.OrdinalIgnoreCase);
if (start == -1)
{
return html;
}
var end = html.IndexOf(endToken, start, StringComparison.OrdinalIgnoreCase);
if (end == -1)
{
return html;
}
string result = html.Substring(start, end - start);
html = html.Replace(result, newHtml);
return ReplaceBetween(html, startToken, endToken, newHtml);
}
private string GetLocalizationToken(string phrase)
{
return "${" + phrase + "}";
}
/// <summary>
/// Gets the meta tags.
/// </summary>
/// <returns>System.String.</returns>
private static string GetMetaTags(string mode)
{
var sb = new StringBuilder();
if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
{
//sb.Append("<meta http-equiv=\"Content-Security-Policy\" content=\"default-src *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'\">");
}
sb.Append("<meta http-equiv=\"X-UA-Compatibility\" content=\"IE=Edge\">");
sb.Append("<meta name=\"format-detection\" content=\"telephone=no\">");
sb.Append("<meta name=\"msapplication-tap-highlight\" content=\"no\">");
sb.Append("<meta name=\"viewport\" content=\"user-scalable=no, initial-scale=1, maximum-scale=1, minimum-scale=1, width=device-width\">");
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\" />");
// Open graph tags
sb.Append("<meta property=\"og:title\" content=\"Emby\" />");
sb.Append("<meta property=\"og:site_name\" content=\"Emby\"/>");
sb.Append("<meta property=\"og:url\" content=\"http://emby.media\" />");
sb.Append("<meta property=\"og:description\" content=\"Energize your media.\" />");
sb.Append("<meta property=\"og:type\" content=\"article\" />");
sb.Append("<meta property=\"fb:app_id\" content=\"1618309211750238\" />");
// 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=\"#333333\">");
return sb.ToString();
}
/// <summary>
/// Gets the common CSS.
/// </summary>
/// <param name="mode">The mode.</param>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private string GetCommonCss(string mode, Version version)
{
var versionString = !string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase) ? "?v=" + version : string.Empty;
var files = new[]
{
"thirdparty/fontawesome/css/font-awesome.min.css" + versionString,
"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="mode">The mode.</param>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private string GetInitialJavascript(string mode, Version version)
{
var builder = new StringBuilder();
var versionString = !string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase) ? "?v=" + version : string.Empty;
var files = new List<string>
{
"bower_components/webcomponentsjs/webcomponents-lite.js" + versionString
};
if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
{
files.Insert(0, "cordova.js");
}
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 the common javascript.
/// </summary>
/// <param name="mode">The mode.</param>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private string GetCommonJavascript(string mode, Version version)
{
var builder = new StringBuilder();
var versionString = !string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase) ? "?v=" + version : string.Empty;
var files = new List<string>
{
"scripts/all.js" + versionString
};
if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
{
files.Insert(0, "cordova.js");
}
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 mode, string culture, string version, bool enableMinification)
{
var memoryStream = new MemoryStream();
var newLineBytes = Encoding.UTF8.GetBytes(Environment.NewLine);
await AppendResource(memoryStream, "thirdparty/jquery-2.1.1.min.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/require.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jquerymobile-1.4.5/jquery.mobile.custom.min.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/browser.js", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jquery.unveil-custom.js", newLineBytes).ConfigureAwait(false);
var excludePhrases = new List<string>();
if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
{
excludePhrases.Add("paypal");
}
await AppendLocalization(memoryStream, culture, excludePhrases).ConfigureAwait(false);
await memoryStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
if (!string.IsNullOrWhiteSpace(mode))
{
var appModeBytes = Encoding.UTF8.GetBytes(string.Format("window.appMode='{0}';", mode));
await memoryStream.WriteAsync(appModeBytes, 0, appModeBytes.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();
var apiClientFiles = new[]
{
"apiclient/logger.js",
"apiclient/md5.js",
"apiclient/sha1.js",
"apiclient/store.js",
"apiclient/device.js",
"apiclient/credentials.js",
"apiclient/ajax.js",
"apiclient/events.js",
"apiclient/deferred.js",
"apiclient/apiclient.js"
}.ToList();
apiClientFiles.Add("apiclient/connectionmanager.js");
foreach (var file in apiClientFiles)
{
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",
"librarymenu.js",
"mediacontroller.js",
"backdrops.js",
"sync.js",
"playlistmanager.js",
"appsettings.js",
"mediaplayer.js",
"mediaplayer-video.js",
"nowplayingbar.js",
"alphapicker.js",
"directorybrowser.js",
"moviecollections.js",
"notifications.js",
"remotecontrol.js",
"search.js",
"thememediaplayer.js"
};
}
private async Task AppendLocalization(Stream stream, string culture, List<string> excludePhrases)
{
var dictionary = _localization.GetJavaScriptLocalizationDictionary(culture);
if (excludePhrases.Count > 0)
{
var removes = new List<string>();
foreach (var pair in dictionary)
{
if (excludePhrases.Any(i => pair.Key.IndexOf(i, StringComparison.OrdinalIgnoreCase) != -1 || pair.Value.IndexOf(i, StringComparison.OrdinalIgnoreCase) != -1))
{
removes.Add(pair.Key);
}
}
foreach (var remove in removes)
{
dictionary.Remove(remove);
}
}
var js = "window.localizationGlossary=" + _jsonSerializer.SerializeToString(dictionary);
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 memoryStream = new MemoryStream();
var newLineBytes = Encoding.UTF8.GetBytes(Environment.NewLine);
await AppendResource(memoryStream, "thirdparty/jquerymobile-1.4.5/jquery.mobile.custom.theme.min.css", newLineBytes).ConfigureAwait(false);
await AppendResource(memoryStream, "thirdparty/jquerymobile-1.4.5/jquery.mobile.custom.structure.min.css", newLineBytes).ConfigureAwait(false);
var files = new[]
{
"css/site.css",
"css/chromecast.css",
"css/nowplayingbar.css",
"css/mediaplayer.css",
"css/mediaplayer-video.css",
"css/librarymenu.css",
"css/librarybrowser.css",
"css/card.css",
"css/notifications.css",
"css/search.css",
"css/pluginupdates.css",
"css/remotecontrol.css",
"css/userimage.css",
"css/nowplaying.css",
"css/materialize.css",
"thirdparty/paper-button-style.css"
};
var builder = new StringBuilder();
foreach (var file in files)
{
var path = GetDashboardResourcePath(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 bytes = Encoding.UTF8.GetBytes(css);
memoryStream.Write(bytes, 0, bytes.Length);
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);
}
}
}