plugin security fixes and other abstractions

1 files changed, 136 insertions, 0 deletions

diff --git a/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs b/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
new file mode 100644
index 000000000..01a045853
--- /dev/null
+++ b/MediaBrowser.Server.Implementations/ScheduledTasks/Tasks/PluginUpdateTask.cs
@@ -0,0 +1,136 @@
+using MediaBrowser.Common.ScheduledTasks;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Net;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Controller.ScheduledTasks
+{
+    /// <summary>
+    /// Plugin Update Task
+    /// </summary>
+    public class PluginUpdateTask : IScheduledTask
+    {
+        /// <summary>
+        /// The _kernel
+        /// </summary>
+        private readonly Kernel _kernel;
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PluginUpdateTask" /> class.
+        /// </summary>
+        /// <param name="kernel">The kernel.</param>
+        /// <param name="logger">The logger.</param>
+        public PluginUpdateTask(Kernel kernel, ILogger logger)
+        {
+            _kernel = kernel;
+            _logger = logger;
+        }
+
+        /// <summary>
+        /// Creates the triggers that define when the task will run
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        public IEnumerable<ITaskTrigger> GetDefaultTriggers()
+        {
+            return new ITaskTrigger[] { 
+            
+                // 1:30am
+                new DailyTrigger { TimeOfDay = TimeSpan.FromHours(1.5) },
+
+                new IntervalTrigger { Interval = TimeSpan.FromHours(2)}
+            };
+        }
+
+        /// <summary>
+        /// Update installed plugins
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            progress.Report(0);
+
+            var packagesToInstall = (await _kernel.InstallationManager.GetAvailablePluginUpdates(true, cancellationToken).ConfigureAwait(false)).ToList();
+
+            progress.Report(10);
+
+            var numComplete = 0;
+
+            // Create tasks for each one
+            var tasks = packagesToInstall.Select(i => Task.Run(async () =>
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+
+                try
+                {
+                    await _kernel.InstallationManager.InstallPackage(i, new Progress<double> { }, cancellationToken).ConfigureAwait(false);
+                }
+                catch (OperationCanceledException)
+                {
+                    // InstallPackage has it's own inner cancellation token, so only throw this if it's ours
+                    if (cancellationToken.IsCancellationRequested)
+                    {
+                        throw;
+                    }
+                }
+                catch (HttpException ex)
+                {
+                    _logger.ErrorException("Error downloading {0}", ex, i.name);
+                }
+                catch (IOException ex)
+                {
+                    _logger.ErrorException("Error updating {0}", ex, i.name);
+                }
+
+                // Update progress
+                lock (progress)
+                {
+                    numComplete++;
+                    double percent = numComplete;
+                    percent /= packagesToInstall.Count;
+
+                    progress.Report((90 * percent) + 10);
+                }
+            }));
+
+            cancellationToken.ThrowIfCancellationRequested();
+
+            await Task.WhenAll(tasks).ConfigureAwait(false);
+
+            progress.Report(100);
+        }
+
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        public string Name
+        {
+            get { return "Check for plugin updates"; }
+        }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        public string Description
+        {
+            get { return "Downloads and installs updates for plugins that are configured to update automatically."; }
+        }
+
+        public string Category
+        {
+            get { return "Application"; }
+        }
+    }
+}
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