Move RemoteImageService to Jellyfin.API

1 files changed, 290 insertions, 0 deletions

diff --git a/Jellyfin.Api/Controllers/Images/RemoteImageController.cs b/Jellyfin.Api/Controllers/Images/RemoteImageController.cs
new file mode 100644
index 000000000..66479582d
--- /dev/null
+++ b/Jellyfin.Api/Controllers/Images/RemoteImageController.cs
@@ -0,0 +1,290 @@
+#nullable enable
+
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Net;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Net;
+using MediaBrowser.Model.Providers;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+
+namespace Jellyfin.Api.Controllers.Images
+{
+    /// <summary>
+    /// Remote Images Controller.
+    /// </summary>
+    [Route("Images")]
+    [Authenticated]
+    public class RemoteImageController : BaseJellyfinApiController
+    {
+        private readonly IProviderManager _providerManager;
+        private readonly IServerApplicationPaths _applicationPaths;
+        private readonly IHttpClient _httpClient;
+        private readonly ILibraryManager _libraryManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RemoteImageController"/> class.
+        /// </summary>
+        /// <param name="providerManager">Instance of the <see cref="IProviderManager"/> interface.</param>
+        /// <param name="applicationPaths">Instance of the <see cref="IServerApplicationPaths"/> interface.</param>
+        /// <param name="httpClient">Instance of the <see cref="IHttpClient"/> interface.</param>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        public RemoteImageController(
+            IProviderManager providerManager,
+            IServerApplicationPaths applicationPaths,
+            IHttpClient httpClient,
+            ILibraryManager libraryManager)
+        {
+            _providerManager = providerManager;
+            _applicationPaths = applicationPaths;
+            _httpClient = httpClient;
+            _libraryManager = libraryManager;
+        }
+
+        /// <summary>
+        /// Gets available remote images for an item.
+        /// </summary>
+        /// <param name="id">Item Id.</param>
+        /// <param name="type">The image type.</param>
+        /// <param name="startIndex">Optional. The record index to start at. All items with a lower index will be dropped from the results.</param>
+        /// <param name="limit">Optional. The maximum number of records to return.</param>
+        /// <param name="providerName">Optional. The image provider to use.</param>
+        /// <param name="includeAllLanguages">Optinal. Include all languages.</param>
+        /// <returns>Remote Image Result.</returns>
+        [HttpGet("{Id}/RemoteImages")]
+        [ProducesResponseType(typeof(RemoteImageResult), StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesResponseType(typeof(string), StatusCodes.Status404NotFound)]
+        public async Task<IActionResult> GetRemoteImages(
+            [FromRoute] string id,
+            [FromQuery] ImageType? type,
+            [FromQuery] int? startIndex,
+            [FromQuery] int? limit,
+            [FromQuery] string providerName,
+            [FromQuery] bool includeAllLanguages)
+        {
+            try
+            {
+                var item = _libraryManager.GetItemById(id);
+                if (item == null)
+                {
+                    return NotFound();
+                }
+
+                var images = await _providerManager.GetAvailableRemoteImages(
+                        item,
+                        new RemoteImageQuery
+                        {
+                            ProviderName = providerName,
+                            IncludeAllLanguages = includeAllLanguages,
+                            IncludeDisabledProviders = true,
+                            ImageType = type
+                        }, CancellationToken.None)
+                    .ConfigureAwait(false);
+
+                var imageArray = images.ToArray();
+                var allProviders = _providerManager.GetRemoteImageProviderInfo(item);
+                if (type.HasValue)
+                {
+                    allProviders = allProviders.Where(o => o.SupportedImages.Contains(type.Value));
+                }
+
+                var result = new RemoteImageResult
+                {
+                    TotalRecordCount = imageArray.Length,
+                    Providers = allProviders.Select(o => o.Name)
+                        .Distinct(StringComparer.OrdinalIgnoreCase)
+                        .ToArray()
+                };
+
+                if (startIndex.HasValue)
+                {
+                    imageArray = imageArray.Skip(startIndex.Value).ToArray();
+                }
+
+                if (limit.HasValue)
+                {
+                    imageArray = imageArray.Take(limit.Value).ToArray();
+                }
+
+                result.Images = imageArray;
+                return Ok(result);
+            }
+            catch (Exception e)
+            {
+                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
+            }
+        }
+
+        /// <summary>
+        /// Gets available remote image providers for an item.
+        /// </summary>
+        /// <param name="id">Item Id.</param>
+        /// <returns>List of providers.</returns>
+        [HttpGet("{Id}/RemoteImages/Providers")]
+        [ProducesResponseType(typeof(ImageProviderInfo[]), StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesResponseType(typeof(string), StatusCodes.Status500InternalServerError)]
+        public IActionResult GetRemoteImageProviders([FromRoute] string id)
+        {
+            try
+            {
+                var item = _libraryManager.GetItemById(id);
+                if (item == null)
+                {
+                    return NotFound();
+                }
+
+                var providers = _providerManager.GetRemoteImageProviderInfo(item);
+                return Ok(providers);
+            }
+            catch (Exception e)
+            {
+                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
+            }
+        }
+
+        /// <summary>
+        /// Gets a remote image.
+        /// </summary>
+        /// <param name="imageUrl">The image url.</param>
+        /// <returns>Image Stream.</returns>
+        [HttpGet("Remote")]
+        [ProducesResponseType(typeof(FileStreamResult), StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesResponseType(typeof(string), StatusCodes.Status500InternalServerError)]
+        public async Task<IActionResult> GetRemoteImage([FromQuery, BindRequired] string imageUrl)
+        {
+            try
+            {
+                var urlHash = imageUrl.GetMD5();
+                var pointerCachePath = GetFullCachePath(urlHash.ToString());
+
+                string? contentPath = null;
+                bool hasFile = false;
+
+                try
+                {
+                    contentPath = await System.IO.File.ReadAllTextAsync(pointerCachePath).ConfigureAwait(false);
+                    if (System.IO.File.Exists(contentPath))
+                    {
+                        hasFile = true;
+                    }
+                }
+                catch (FileNotFoundException)
+                {
+                    // Means the file isn't cached yet
+                }
+                catch (IOException)
+                {
+                    // Means the file isn't cached yet
+                }
+
+                if (!hasFile)
+                {
+                    await DownloadImage(imageUrl, urlHash, pointerCachePath).ConfigureAwait(false);
+                    contentPath = await System.IO.File.ReadAllTextAsync(pointerCachePath).ConfigureAwait(false);
+                }
+
+                if (string.IsNullOrEmpty(contentPath))
+                {
+                    return NotFound();
+                }
+
+                var contentType = MimeTypes.GetMimeType(contentPath);
+                return new FileStreamResult(System.IO.File.OpenRead(contentPath), contentType);
+            }
+            catch (Exception e)
+            {
+                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
+            }
+        }
+
+        /// <summary>
+        /// Downloads a remote image for an item.
+        /// </summary>
+        /// <param name="id">Item Id.</param>
+        /// <param name="type">The image type.</param>
+        /// <param name="imageUrl">The image url.</param>
+        /// <returns>Status.</returns>
+        [HttpPost("{Id}/RemoteImages/Download")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesResponseType(typeof(string), StatusCodes.Status500InternalServerError)]
+        public async Task<IActionResult> DownloadRemoteImage(
+            [FromRoute] string id,
+            [FromQuery, BindRequired] ImageType type,
+            [FromQuery] string imageUrl)
+        {
+            try
+            {
+                var item = _libraryManager.GetItemById(id);
+                if (item == null)
+                {
+                    return NotFound();
+                }
+
+                await _providerManager.SaveImage(item, imageUrl, type, null, CancellationToken.None)
+                    .ConfigureAwait(false);
+
+                item.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None);
+                return Ok();
+            }
+            catch (Exception e)
+            {
+                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
+            }
+        }
+
+        /// <summary>
+        /// Gets the full cache path.
+        /// </summary>
+        /// <param name="filename">The filename.</param>
+        /// <returns>System.String.</returns>
+        private string GetFullCachePath(string filename)
+        {
+            return Path.Combine(_applicationPaths.CachePath, "remote-images", filename.Substring(0, 1), filename);
+        }
+
+        /// <summary>
+        /// Downloads the image.
+        /// </summary>
+        /// <param name="url">The URL.</param>
+        /// <param name="urlHash">The URL hash.</param>
+        /// <param name="pointerCachePath">The pointer cache path.</param>
+        /// <returns>Task.</returns>
+        private async Task DownloadImage(string url, Guid urlHash, string pointerCachePath)
+        {
+            using var result = await _httpClient.GetResponse(new HttpRequestOptions
+            {
+                Url = url,
+                BufferContent = false
+            }).ConfigureAwait(false);
+            var ext = result.ContentType.Split('/').Last();
+
+            var fullCachePath = GetFullCachePath(urlHash + "." + ext);
+
+            Directory.CreateDirectory(Path.GetDirectoryName(fullCachePath));
+            using (var stream = result.Content)
+            {
+                using var filestream = new FileStream(fullCachePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+                await stream.CopyToAsync(filestream).ConfigureAwait(false);
+            }
+
+            Directory.CreateDirectory(Path.GetDirectoryName(pointerCachePath));
+            await System.IO.File.WriteAllTextAsync(pointerCachePath, fullCachePath, CancellationToken.None)
+                .ConfigureAwait(false);
+        }
+    }
+}