jellyfin/MediaBrowser.WebDashboard/Api/DashboardService.cs
2013-03-27 18:29:37 -04:00

537 lines
21 KiB
C#

using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Tasks;
using ServiceStack.ServiceHost;
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace MediaBrowser.WebDashboard.Api
{
/// <summary>
/// Class GetDashboardConfigurationPages
/// </summary>
[Route("/dashboard/ConfigurationPages", "GET")]
[Restrict(VisibilityTo = EndpointAttributes.None)]
public class GetDashboardConfigurationPages : IReturn<List<ConfigurationPageInfo>>
{
/// <summary>
/// Gets or sets the type of the page.
/// </summary>
/// <value>The type of the page.</value>
public ConfigurationPageType? PageType { get; set; }
}
/// <summary>
/// Class GetDashboardConfigurationPage
/// </summary>
[Route("/dashboard/ConfigurationPage", "GET")]
[Restrict(VisibilityTo = EndpointAttributes.None)]
public class GetDashboardConfigurationPage
{
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>The name.</value>
public string Name { get; set; }
}
/// <summary>
/// Class GetDashboardResource
/// </summary>
[Route("/dashboard/{ResourceName*}", "GET")]
[Restrict(VisibilityTo = EndpointAttributes.None)]
public class GetDashboardResource
{
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>The name.</value>
public string ResourceName { get; set; }
/// <summary>
/// Gets or sets the V.
/// </summary>
/// <value>The V.</value>
public string V { get; set; }
}
/// <summary>
/// Class GetDashboardInfo
/// </summary>
[Route("/dashboard/dashboardInfo", "GET")]
[Restrict(VisibilityTo = EndpointAttributes.None)]
public class GetDashboardInfo : IReturn<DashboardInfo>
{
}
/// <summary>
/// Class DashboardService
/// </summary>
[Export(typeof(IRestfulService))]
public class DashboardService : IRestfulService, IHasResultFactory
{
/// <summary>
/// Gets or sets the logger.
/// </summary>
/// <value>The logger.</value>
public ILogger Logger { get; set; }
/// <summary>
/// Gets or sets the HTTP result factory.
/// </summary>
/// <value>The HTTP result factory.</value>
public IHttpResultFactory ResultFactory { get; set; }
/// <summary>
/// Gets or sets the request context.
/// </summary>
/// <value>The request context.</value>
public IRequestContext RequestContext { get; set; }
/// <summary>
/// Gets or sets the task manager.
/// </summary>
/// <value>The task manager.</value>
private readonly ITaskManager _taskManager;
/// <summary>
/// The _user manager
/// </summary>
private readonly IUserManager _userManager;
/// <summary>
/// The _app host
/// </summary>
private readonly IServerApplicationHost _appHost;
/// <summary>
/// The _library manager
/// </summary>
private readonly ILibraryManager _libraryManager;
private readonly IServerConfigurationManager _serverConfigurationManager;
/// <summary>
/// Initializes a new instance of the <see cref="DashboardService" /> class.
/// </summary>
/// <param name="taskManager">The task manager.</param>
/// <param name="userManager">The user manager.</param>
/// <param name="appHost">The app host.</param>
/// <param name="libraryManager">The library manager.</param>
public DashboardService(ITaskManager taskManager, IUserManager userManager, IServerApplicationHost appHost, ILibraryManager libraryManager, IServerConfigurationManager serverConfigurationManager)
{
_taskManager = taskManager;
_userManager = userManager;
_appHost = appHost;
_libraryManager = libraryManager;
_serverConfigurationManager = serverConfigurationManager;
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetDashboardInfo request)
{
return GetDashboardInfo(_appHost, Logger, _taskManager, _userManager, _libraryManager).Result;
}
/// <summary>
/// Gets the dashboard info.
/// </summary>
/// <param name="appHost">The app host.</param>
/// <param name="logger">The logger.</param>
/// <param name="taskManager">The task manager.</param>
/// <param name="userManager">The user manager.</param>
/// <param name="libraryManager">The library manager.</param>
/// <returns>DashboardInfo.</returns>
public static async Task<DashboardInfo> GetDashboardInfo(IServerApplicationHost appHost, ILogger logger, ITaskManager taskManager, IUserManager userManager, ILibraryManager libraryManager)
{
var connections = userManager.RecentConnections.ToArray();
var dtoBuilder = new DtoBuilder(logger, libraryManager);
var tasks = userManager.Users.Where(u => connections.Any(c => c.UserId == u.Id)).Select(dtoBuilder.GetUserDto);
var users = await Task.WhenAll(tasks).ConfigureAwait(false);
return new DashboardInfo
{
SystemInfo = appHost.GetSystemInfo(),
RunningTasks = taskManager.ScheduledTasks.Where(i => i.State == TaskState.Running || i.State == TaskState.Cancelling)
.Select(ScheduledTaskHelpers.GetTaskInfo)
.ToArray(),
ApplicationUpdateTaskId = taskManager.ScheduledTasks.First(t => t.ScheduledTask.GetType().Name.Equals("SystemUpdateTask", StringComparison.OrdinalIgnoreCase)).Id,
ActiveConnections = connections,
Users = users
};
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetDashboardConfigurationPage request)
{
var page = ServerEntryPoint.Instance.PluginConfigurationPages.First(p => p.Name.Equals(request.Name, StringComparison.OrdinalIgnoreCase));
return ResultFactory.GetStaticResult(RequestContext, page.Plugin.Version.ToString().GetMD5(), page.Plugin.AssemblyDateLastModified, null, MimeTypes.GetMimeType("page.html"), () => ModifyHtml(page.GetHtmlStream()));
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetDashboardConfigurationPages request)
{
var pages = ServerEntryPoint.Instance.PluginConfigurationPages;
if (request.PageType.HasValue)
{
pages = pages.Where(p => p.ConfigurationPageType == request.PageType.Value);
}
return ResultFactory.GetOptimizedResult(RequestContext, pages.Select(p => new ConfigurationPageInfo(p)).ToList());
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetDashboardResource request)
{
var path = request.ResourceName;
var contentType = MimeTypes.GetMimeType(path);
// Don't cache if not configured to do so
// But always cache images to simulate production
if (!_serverConfigurationManager.Configuration.EnableDashboardResponseCaching && !contentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
{
return ResultFactory.GetResult(GetResourceStream(path).Result, contentType);
}
TimeSpan? cacheDuration = null;
// Cache images unconditionally - updates to image files will require new filename
// If there's a version number in the query string we can cache this unconditionally
if (contentType.StartsWith("image/", StringComparison.OrdinalIgnoreCase) || !string.IsNullOrEmpty(request.V))
{
cacheDuration = TimeSpan.FromDays(365);
}
var assembly = GetType().Assembly.GetName();
var cacheKey = (assembly.Version + path).GetMD5();
return ResultFactory.GetStaticResult(RequestContext, cacheKey, null, cacheDuration, contentType, () => GetResourceStream(path));
}
/// <summary>
/// Gets the resource stream.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>Task{Stream}.</returns>
private async Task<Stream> GetResourceStream(string path)
{
Stream resourceStream;
if (path.Equals("scripts/all.js", StringComparison.OrdinalIgnoreCase))
{
resourceStream = await GetAllJavascript().ConfigureAwait(false);
}
else
{
resourceStream = GetRawResourceStream(path);
}
if (resourceStream != null)
{
var isHtml = IsHtml(path);
// 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).ConfigureAwait(false);
}
}
return resourceStream;
}
/// <summary>
/// Gets the raw resource stream.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>Task{Stream}.</returns>
private Stream GetRawResourceStream(string path)
{
var runningDirectory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
path = Path.Combine(runningDirectory, "dashboard-ui", path.Replace('/', '\\'));
return new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, StreamDefaults.DefaultFileStreamBufferSize, true);
// This code is used when the files are embedded resources
//return GetType().Assembly.GetManifestResourceStream("MediaBrowser.WebDashboard.Html." + ConvertUrlToResourcePath(path));
}
/// <summary>
/// Converts the URL to a manifest resource path.
/// </summary>
/// <param name="url">The URL.</param>
/// <returns>System.String.</returns>
private string ConvertUrlToResourcePath(string url)
{
var parts = url.Split('/');
var normalizedParts = new string[parts.Length];
for (var i = 0; i < parts.Length; i++)
{
// We have to do some tricky string replacements for all parts of the path except the last
if (i < parts.Length - 1)
{
// Find the index of the first period as well as the first dash
var periodIndex = parts[i].IndexOf('.');
var slashIndex = parts[i].IndexOf('-');
// Replace all periods with "._" and dashes with "_"
normalizedParts[i] = parts[i].Replace(".", "._").Replace("-", "_");
// If the first period occurred before the first slash, change it back from "._" to just "."
if (periodIndex < slashIndex)
{
var regex = new Regex("\\._");
normalizedParts[i] = regex.Replace(normalizedParts[i], ".", 1);
}
}
else
{
normalizedParts[i] = parts[i];
}
}
return string.Join(".", normalizedParts);
}
/// <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>
/// Modifies the HTML by adding common meta tags, css and js.
/// </summary>
/// <param name="sourceStream">The source stream.</param>
/// <returns>Task{Stream}.</returns>
internal async Task<Stream> ModifyHtml(Stream sourceStream)
{
string html;
using (var memoryStream = new MemoryStream())
{
await sourceStream.CopyToAsync(memoryStream).ConfigureAwait(false);
html = Encoding.UTF8.GetString(memoryStream.ToArray());
}
var version = GetType().Assembly.GetName().Version;
html = html.Replace("<head>", "<head>" + GetMetaTags() + GetCommonCss(version) + GetCommonJavascript(version));
var bytes = Encoding.UTF8.GetBytes(html);
sourceStream.Dispose();
return new MemoryStream(bytes);
}
/// <summary>
/// Gets the meta tags.
/// </summary>
/// <returns>System.String.</returns>
private static string GetMetaTags()
{
var sb = new StringBuilder();
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=\"apple-mobile-web-app-status-bar-style\" content=\"black-translucent\">");
// 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=\"favicon.ico\" />");
return sb.ToString();
}
/// <summary>
/// Gets the common CSS.
/// </summary>
/// <param name="version">The version.</param>
/// <returns>System.String.</returns>
private static string GetCommonCss(Version version)
{
var versionString = "?v=" + version;
var files = new[]
{
"http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.css",
"http://vjs.zencdn.net/c/video-js.css",
"thirdparty/jqm-icon-pack-3.0/font-awesome/jqm-icon-pack-3.0.0-fa.css",
"css/site.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 static string GetCommonJavascript(Version version)
{
var versionString = "?v=" + version;
var files = new[]
{
"http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js",
"http://code.jquery.com/mobile/1.3.0/jquery.mobile-1.3.0.min.js",
"http://vjs.zencdn.net/c/video.js",
"scripts/all.js" + versionString
};
var tags = files.Select(s => string.Format("<script src=\"{0}\"></script>", s)).ToArray();
return string.Join(string.Empty, tags);
}
/// <summary>
/// Gets a stream containing all concatenated javascript
/// </summary>
/// <returns>Task{Stream}.</returns>
private async Task<Stream> GetAllJavascript()
{
var assembly = GetType().Assembly;
var scriptFiles = new[]
{
"extensions.js",
"site.js",
"aboutpage.js",
"addpluginpage.js",
"advancedconfigurationpage.js",
"advancedmetadataconfigurationpage.js",
"plugincatalogpage.js",
"dashboardpage.js",
"displaysettingspage.js",
"edituserpage.js",
"indexpage.js",
"itembynamedetailpage.js",
"itemdetailpage.js",
"itemlistpage.js",
"loginpage.js",
"logpage.js",
"medialibrarypage.js",
"mediaplayer.js",
"metadataconfigurationpage.js",
"metadataimagespage.js",
"pluginspage.js",
"pluginupdatespage.js",
"scheduledtaskpage.js",
"scheduledtaskspage.js",
"updatepasswordpage.js",
"userimagepage.js",
"userprofilespage.js",
"wizardfinishpage.js",
"wizardstartpage.js",
"wizarduserpage.js",
"supporterkeypage.js",
"supporterpage.js"
};
var memoryStream = new MemoryStream();
var newLineBytes = Encoding.UTF8.GetBytes(Environment.NewLine);
await AppendResource(assembly, memoryStream, "MediaBrowser.WebDashboard.ApiClient.js", newLineBytes).ConfigureAwait(false);
foreach (var file in scriptFiles)
{
await AppendResource(memoryStream, "scripts/" + file, newLineBytes).ConfigureAwait(false);
}
memoryStream.Position = 0;
return memoryStream;
}
/// <summary>
/// Appends the resource.
/// </summary>
/// <param name="assembly">The assembly.</param>
/// <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(Assembly assembly, Stream outputStream, string path, byte[] newLineBytes)
{
using (var stream = assembly.GetManifestResourceStream(path))
{
await stream.CopyToAsync(outputStream).ConfigureAwait(false);
await outputStream.WriteAsync(newLineBytes, 0, newLineBytes.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)
{
using (var stream = GetRawResourceStream(path))
{
await stream.CopyToAsync(outputStream).ConfigureAwait(false);
await outputStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
}
}
}
}