Merge pull request #4709 from BaronGreenback/PluginDowngrade

(cherry picked from commit 406ae3e43a20216292c554151fa2d0e2a09edfa3)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

1 files changed, 220 insertions, 73 deletions

diff --git a/Jellyfin.Api/Controllers/PluginsController.cs b/Jellyfin.Api/Controllers/PluginsController.cs
index 98f1bc2d2..b73611c97 100644
--- a/Jellyfin.Api/Controllers/PluginsController.cs
+++ b/Jellyfin.Api/Controllers/PluginsController.cs
@@ -1,15 +1,21 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.Globalization;
+using System.IO;
 using System.Linq;
+using System.Net.Mime;
 using System.Text.Json;
 using System.Threading.Tasks;
+using Jellyfin.Api.Attributes;
 using Jellyfin.Api.Constants;
 using Jellyfin.Api.Models.PluginDtos;
-using MediaBrowser.Common;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Json;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
+using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Plugins;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
@@ -23,22 +29,81 @@ namespace Jellyfin.Api.Controllers
     [Authorize(Policy = Policies.DefaultAuthorization)]
     public class PluginsController : BaseJellyfinApiController
     {
-        private readonly IApplicationHost _appHost;
         private readonly IInstallationManager _installationManager;
-
-        private readonly JsonSerializerOptions _serializerOptions = JsonDefaults.GetOptions();
+        private readonly IPluginManager _pluginManager;
+        private readonly IConfigurationManager _config;
+        private readonly JsonSerializerOptions _serializerOptions;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PluginsController"/> class.
         /// </summary>
-        /// <param name="appHost">Instance of the <see cref="IApplicationHost"/> interface.</param>
         /// <param name="installationManager">Instance of the <see cref="IInstallationManager"/> interface.</param>
+        /// <param name="pluginManager">Instance of the <see cref="IPluginManager"/> interface.</param>
+        /// <param name="config">Instance of the <see cref="IConfigurationManager"/> interface.</param>
         public PluginsController(
-            IApplicationHost appHost,
-            IInstallationManager installationManager)
+            IInstallationManager installationManager,
+            IPluginManager pluginManager,
+            IConfigurationManager config)
         {
-            _appHost = appHost;
             _installationManager = installationManager;
+            _pluginManager = pluginManager;
+            _serializerOptions = JsonDefaults.GetOptions();
+            _config = config;
+        }
+
+        /// <summary>
+        /// Get plugin security info.
+        /// </summary>
+        /// <response code="200">Plugin security info returned.</response>
+        /// <returns>Plugin security info.</returns>
+        [Obsolete("This endpoint should not be used.")]
+        [HttpGet("SecurityInfo")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public static ActionResult<PluginSecurityInfo> GetPluginSecurityInfo()
+        {
+            return new PluginSecurityInfo
+            {
+                IsMbSupporter = true,
+                SupporterKey = "IAmTotallyLegit"
+            };
+        }
+
+        /// <summary>
+        /// Gets registration status for a feature.
+        /// </summary>
+        /// <param name="name">Feature name.</param>
+        /// <response code="200">Registration status returned.</response>
+        /// <returns>Mb registration record.</returns>
+        [Obsolete("This endpoint should not be used.")]
+        [HttpPost("RegistrationRecords/{name}")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        public static ActionResult<MBRegistrationRecord> GetRegistrationStatus([FromRoute, Required] string name)
+        {
+            return new MBRegistrationRecord
+            {
+                IsRegistered = true,
+                RegChecked = true,
+                TrialVersion = false,
+                IsValid = true,
+                RegError = false
+            };
+        }
+
+        /// <summary>
+        /// Gets registration status for a feature.
+        /// </summary>
+        /// <param name="name">Feature name.</param>
+        /// <response code="501">Not implemented.</response>
+        /// <returns>Not Implemented.</returns>
+        /// <exception cref="NotImplementedException">This endpoint is not implemented.</exception>
+        [Obsolete("Paid plugins are not supported")]
+        [HttpGet("Registrations/{name}")]
+        [ProducesResponseType(StatusCodes.Status501NotImplemented)]
+        public static ActionResult GetRegistration([FromRoute, Required] string name)
+        {
+            // TODO Once we have proper apps and plugins and decide to break compatibility with paid plugins,
+            // delete all these registration endpoints. They are only kept for compatibility.
+            throw new NotImplementedException();
         }
 
         /// <summary>
@@ -50,23 +115,74 @@ namespace Jellyfin.Api.Controllers
         [ProducesResponseType(StatusCodes.Status200OK)]
         public ActionResult<IEnumerable<PluginInfo>> GetPlugins()
         {
-            return Ok(_appHost.Plugins.OrderBy(p => p.Name).Select(p => p.GetPluginInfo()));
+            return Ok(_pluginManager.Plugins
+                .OrderBy(p => p.Name)
+                .Select(p => p.GetPluginInfo()));
         }
 
         /// <summary>
-        /// Uninstalls a plugin.
+        /// Enables a disabled plugin.
         /// </summary>
         /// <param name="pluginId">Plugin id.</param>
+        /// <param name="version">Plugin version.</param>
+        /// <response code="204">Plugin enabled.</response>
+        /// <response code="404">Plugin not found.</response>
+        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
+        [HttpPost("{pluginId}/{version}/Enable")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        public ActionResult EnablePlugin([FromRoute, Required] Guid pluginId, [FromRoute, Required] Version version)
+        {
+            var plugin = _pluginManager.GetPlugin(pluginId, version);
+            if (plugin == null)
+            {
+                return NotFound();
+            }
+
+            _pluginManager.EnablePlugin(plugin);
+            return NoContent();
+        }
+
+        /// <summary>
+        /// Disable a plugin.
+        /// </summary>
+        /// <param name="pluginId">Plugin id.</param>
+        /// <param name="version">Plugin version.</param>
+        /// <response code="204">Plugin disabled.</response>
+        /// <response code="404">Plugin not found.</response>
+        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
+        [HttpPost("{pluginId}/{version}/Disable")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        public ActionResult DisablePlugin([FromRoute, Required] Guid pluginId, [FromRoute, Required] Version version)
+        {
+            var plugin = _pluginManager.GetPlugin(pluginId, version);
+            if (plugin == null)
+            {
+                return NotFound();
+            }
+
+            _pluginManager.DisablePlugin(plugin);
+            return NoContent();
+        }
+
+        /// <summary>
+        /// Uninstalls a plugin by version.
+        /// </summary>
+        /// <param name="pluginId">Plugin id.</param>
+        /// <param name="version">Plugin version.</param>
         /// <response code="204">Plugin uninstalled.</response>
         /// <response code="404">Plugin not found.</response>
-        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the file could not be found.</returns>
-        [HttpDelete("{pluginId}")]
+        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
+        [HttpDelete("{pluginId}/{version}")]
         [Authorize(Policy = Policies.RequiresElevation)]
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         [ProducesResponseType(StatusCodes.Status404NotFound)]
-        public ActionResult UninstallPlugin([FromRoute, Required] Guid pluginId)
+        public ActionResult UninstallPluginByVersion([FromRoute, Required] Guid pluginId, [FromRoute, Required] Version version)
         {
-            var plugin = _appHost.Plugins.FirstOrDefault(p => p.Id == pluginId);
+            var plugin = _pluginManager.GetPlugin(pluginId, version);
             if (plugin == null)
             {
                 return NotFound();
@@ -77,6 +193,40 @@ namespace Jellyfin.Api.Controllers
         }
 
         /// <summary>
+        /// Uninstalls a plugin.
+        /// </summary>
+        /// <param name="pluginId">Plugin id.</param>
+        /// <response code="204">Plugin uninstalled.</response>
+        /// <response code="404">Plugin not found.</response>
+        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
+        [HttpDelete("{pluginId}")]
+        [Authorize(Policy = Policies.RequiresElevation)]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [Obsolete("Please use the UninstallPluginByVersion API.")]
+        public ActionResult UninstallPlugin([FromRoute, Required] Guid pluginId)
+        {
+            // If no version is given, return the current instance.
+            var plugins = _pluginManager.Plugins.Where(p => p.Id.Equals(pluginId));
+
+            // Select the un-instanced one first.
+            var plugin = plugins.FirstOrDefault(p => p.Instance == null);
+            if (plugin == null)
+            {
+                // Then by the status.
+                plugin = plugins.OrderBy(p => p.Manifest.Status).FirstOrDefault();
+            }
+
+            if (plugin != null)
+            {
+                _installationManager.UninstallPlugin(plugin);
+                return NoContent();
+            }
+
+            return NotFound();
+        }
+
+        /// <summary>
         /// Gets plugin configuration.
         /// </summary>
         /// <param name="pluginId">Plugin id.</param>
@@ -88,12 +238,13 @@ namespace Jellyfin.Api.Controllers
         [ProducesResponseType(StatusCodes.Status404NotFound)]
         public ActionResult<BasePluginConfiguration> GetPluginConfiguration([FromRoute, Required] Guid pluginId)
         {
-            if (!(_appHost.Plugins.FirstOrDefault(p => p.Id == pluginId) is IHasPluginConfiguration plugin))
+            var plugin = _pluginManager.GetPlugin(pluginId);
+            if (plugin?.Instance is IHasPluginConfiguration configPlugin)
             {
-                return NotFound();
+                return configPlugin.Configuration;
             }
 
-            return plugin.Configuration;
+            return NotFound();
         }
 
         /// <summary>
@@ -105,47 +256,81 @@ namespace Jellyfin.Api.Controllers
         /// <param name="pluginId">Plugin id.</param>
         /// <response code="204">Plugin configuration updated.</response>
         /// <response code="404">Plugin not found or plugin does not have configuration.</response>
-        /// <returns>
-        /// A <see cref="Task" /> that represents the asynchronous operation to update plugin configuration.
-        ///    The task result contains an <see cref="NoContentResult"/> indicating success, or <see cref="NotFoundResult"/>
-        ///    when plugin not found or plugin doesn't have configuration.
-        /// </returns>
+        /// <returns>An <see cref="NoContentResult"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
         [HttpPost("{pluginId}/Configuration")]
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         [ProducesResponseType(StatusCodes.Status404NotFound)]
         public async Task<ActionResult> UpdatePluginConfiguration([FromRoute, Required] Guid pluginId)
         {
-            if (!(_appHost.Plugins.FirstOrDefault(p => p.Id == pluginId) is IHasPluginConfiguration plugin))
+            var plugin = _pluginManager.GetPlugin(pluginId);
+            if (plugin?.Instance is not IHasPluginConfiguration configPlugin)
             {
                 return NotFound();
             }
 
-            var configuration = (BasePluginConfiguration?)await JsonSerializer.DeserializeAsync(Request.Body, plugin.ConfigurationType, _serializerOptions)
+            var configuration = (BasePluginConfiguration?)await JsonSerializer.DeserializeAsync(Request.Body, configPlugin.ConfigurationType, _serializerOptions)
                 .ConfigureAwait(false);
 
             if (configuration != null)
             {
-                plugin.UpdateConfiguration(configuration);
+                configPlugin.UpdateConfiguration(configuration);
             }
 
             return NoContent();
         }
 
         /// <summary>
-        /// Get plugin security info.
+        /// Gets a plugin's image.
         /// </summary>
-        /// <response code="200">Plugin security info returned.</response>
-        /// <returns>Plugin security info.</returns>
-        [Obsolete("This endpoint should not be used.")]
-        [HttpGet("SecurityInfo")]
+        /// <param name="pluginId">Plugin id.</param>
+        /// <param name="version">Plugin version.</param>
+        /// <response code="200">Plugin image returned.</response>
+        /// <returns>Plugin's image.</returns>
+        [HttpGet("{pluginId}/{version}/Image")]
         [ProducesResponseType(StatusCodes.Status200OK)]
-        public ActionResult<PluginSecurityInfo> GetPluginSecurityInfo()
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesImageFile]
+        [AllowAnonymous]
+        public ActionResult GetPluginImage([FromRoute, Required] Guid pluginId, [FromRoute, Required] Version version)
         {
-            return new PluginSecurityInfo
+            var plugin = _pluginManager.GetPlugin(pluginId, version);
+            if (plugin == null)
             {
-                IsMbSupporter = true,
-                SupporterKey = "IAmTotallyLegit"
-            };
+                return NotFound();
+            }
+
+            var imagePath = Path.Combine(plugin.Path, plugin.Manifest.ImagePath ?? string.Empty);
+            if (((ServerConfiguration)_config.CommonConfiguration).DisablePluginImages
+                || plugin.Manifest.ImagePath == null
+                || !System.IO.File.Exists(imagePath))
+            {
+                return NotFound();
+            }
+
+            imagePath = Path.Combine(plugin.Path, plugin.Manifest.ImagePath);
+            return PhysicalFile(imagePath, MimeTypes.GetMimeType(imagePath));
+        }
+
+        /// <summary>
+        /// Gets a plugin's manifest.
+        /// </summary>
+        /// <param name="pluginId">Plugin id.</param>
+        /// <response code="204">Plugin manifest returned.</response>
+        /// <response code="404">Plugin not found.</response>
+        /// <returns>A <see cref="PluginManifest"/> on success, or a <see cref="NotFoundResult"/> if the plugin could not be found.</returns>
+        [HttpPost("{pluginId}/Manifest")]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        public ActionResult<PluginManifest> GetPluginManifest([FromRoute, Required] Guid pluginId)
+        {
+            var plugin = _pluginManager.GetPlugin(pluginId);
+
+            if (plugin != null)
+            {
+                return plugin.Manifest;
+            }
+
+            return NotFound();
         }
 
         /// <summary>
@@ -162,43 +347,5 @@ namespace Jellyfin.Api.Controllers
         {
             return NoContent();
         }
-
-        /// <summary>
-        /// Gets registration status for a feature.
-        /// </summary>
-        /// <param name="name">Feature name.</param>
-        /// <response code="200">Registration status returned.</response>
-        /// <returns>Mb registration record.</returns>
-        [Obsolete("This endpoint should not be used.")]
-        [HttpPost("RegistrationRecords/{name}")]
-        [ProducesResponseType(StatusCodes.Status200OK)]
-        public ActionResult<MBRegistrationRecord> GetRegistrationStatus([FromRoute, Required] string name)
-        {
-            return new MBRegistrationRecord
-            {
-                IsRegistered = true,
-                RegChecked = true,
-                TrialVersion = false,
-                IsValid = true,
-                RegError = false
-            };
-        }
-
-        /// <summary>
-        /// Gets registration status for a feature.
-        /// </summary>
-        /// <param name="name">Feature name.</param>
-        /// <response code="501">Not implemented.</response>
-        /// <returns>Not Implemented.</returns>
-        /// <exception cref="NotImplementedException">This endpoint is not implemented.</exception>
-        [Obsolete("Paid plugins are not supported")]
-        [HttpGet("Registrations/{name}")]
-        [ProducesResponseType(StatusCodes.Status501NotImplemented)]
-        public ActionResult GetRegistration([FromRoute, Required] string name)
-        {
-            // TODO Once we have proper apps and plugins and decide to break compatibility with paid plugins,
-            // delete all these registration endpoints. They are only kept for compatibility.
-            throw new NotImplementedException();
-        }
     }
 }