using MediaBrowser.Common.Extensions; using MediaBrowser.Common.IO; using MediaBrowser.Controller.Drawing; using MediaBrowser.Controller.Entities; using MediaBrowser.Controller.Library; using MediaBrowser.Controller.Persistence; using MediaBrowser.Controller.Providers; using MediaBrowser.Model.Drawing; using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; using ServiceStack; using ServiceStack.Text.Controller; using ServiceStack.Web; using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Threading; using System.Threading.Tasks; namespace MediaBrowser.Api.Images { /// /// Class GetItemImage /// [Route("/Items/{Id}/Images", "GET")] [Api(Description = "Gets information about an item's images")] public class GetItemImageInfos : IReturn> { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } } [Route("/Items/{Id}/Images/{Type}", "GET")] [Route("/Items/{Id}/Images/{Type}/{Index}", "GET")] [Api(Description = "Gets an item image")] public class GetItemImage : ImageRequest { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } public string Params { get; set; } } /// /// Class UpdateItemImageIndex /// [Route("/Items/{Id}/Images/{Type}/{Index}/Index", "POST")] [Api(Description = "Updates the index for an item image")] public class UpdateItemImageIndex : IReturnVoid { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public Guid Id { get; set; } /// /// Gets or sets the type of the image. /// /// The type of the image. [ApiMember(Name = "Type", Description = "Image Type", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] public ImageType Type { get; set; } /// /// Gets or sets the index. /// /// The index. [ApiMember(Name = "Index", Description = "Image Index", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")] public int Index { get; set; } /// /// Gets or sets the new index. /// /// The new index. [ApiMember(Name = "NewIndex", Description = "The new image index", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")] public int NewIndex { get; set; } } /// /// Class GetPersonImage /// [Route("/Artists/{Name}/Images/{Type}", "GET")] [Route("/Artists/{Name}/Images/{Type}/{Index}", "GET")] [Route("/Genres/{Name}/Images/{Type}", "GET")] [Route("/Genres/{Name}/Images/{Type}/{Index}", "GET")] [Route("/GameGenres/{Name}/Images/{Type}", "GET")] [Route("/GameGenres/{Name}/Images/{Type}/{Index}", "GET")] [Route("/MusicGenres/{Name}/Images/{Type}", "GET")] [Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "GET")] [Route("/Persons/{Name}/Images/{Type}", "GET")] [Route("/Persons/{Name}/Images/{Type}/{Index}", "GET")] [Route("/Studios/{Name}/Images/{Type}", "GET")] [Route("/Studios/{Name}/Images/{Type}/{Index}", "GET")] [Route("/Years/{Year}/Images/{Type}", "GET")] [Route("/Years/{Year}/Images/{Type}/{Index}", "GET")] [Api(Description = "Gets an item by name image")] public class GetItemByNameImage : ImageRequest { /// /// Gets or sets the name. /// /// The name. [ApiMember(Name = "Name", Description = "Item name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Name { get; set; } } /// /// Class GetUserImage /// [Route("/Users/{Id}/Images/{Type}", "GET")] [Route("/Users/{Id}/Images/{Type}/{Index}", "GET")] [Api(Description = "Gets a user image")] public class GetUserImage : ImageRequest { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public Guid Id { get; set; } } /// /// Class DeleteItemImage /// [Route("/Items/{Id}/Images/{Type}", "DELETE")] [Route("/Items/{Id}/Images/{Type}/{Index}", "DELETE")] [Api(Description = "Deletes an item image")] public class DeleteItemImage : DeleteImageRequest, IReturnVoid { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")] public Guid Id { get; set; } } /// /// Class DeleteUserImage /// [Route("/Users/{Id}/Images/{Type}", "DELETE")] [Route("/Users/{Id}/Images/{Type}/{Index}", "DELETE")] [Api(Description = "Deletes a user image")] public class DeleteUserImage : DeleteImageRequest, IReturnVoid { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")] public Guid Id { get; set; } } /// /// Class PostUserImage /// [Route("/Users/{Id}/Images/{Type}", "POST")] [Route("/Users/{Id}/Images/{Type}/{Index}", "POST")] [Api(Description = "Posts a user image")] public class PostUserImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] public Guid Id { get; set; } /// /// The raw Http Request Input Stream /// /// The request stream. public Stream RequestStream { get; set; } } /// /// Class PostItemImage /// [Route("/Items/{Id}/Images/{Type}", "POST")] [Route("/Items/{Id}/Images/{Type}/{Index}", "POST")] [Api(Description = "Posts an item image")] public class PostItemImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid { /// /// Gets or sets the id. /// /// The id. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] public string Id { get; set; } /// /// The raw Http Request Input Stream /// /// The request stream. public Stream RequestStream { get; set; } } /// /// Class ImageService /// public class ImageService : BaseApiService { private readonly IUserManager _userManager; private readonly ILibraryManager _libraryManager; private readonly IProviderManager _providerManager; private readonly IItemRepository _itemRepo; private readonly IImageProcessor _imageProcessor; private readonly IFileSystem _fileSystem; /// /// Initializes a new instance of the class. /// public ImageService(IUserManager userManager, ILibraryManager libraryManager, IProviderManager providerManager, IItemRepository itemRepo, IImageProcessor imageProcessor, IFileSystem fileSystem) { _userManager = userManager; _libraryManager = libraryManager; _providerManager = providerManager; _itemRepo = itemRepo; _imageProcessor = imageProcessor; _fileSystem = fileSystem; } /// /// Gets the specified request. /// /// The request. /// System.Object. public object Get(GetItemImageInfos request) { var item = _libraryManager.GetItemById(request.Id); var result = GetItemImageInfos(item); return ToOptimizedSerializedResultUsingCache(result); } /// /// Gets the item image infos. /// /// The item. /// Task{List{ImageInfo}}. public List GetItemImageInfos(BaseItem item) { var list = new List(); foreach (var image in item.ImageInfos.Where(i => !item.AllowsMultipleImages(i.Type))) { var info = GetImageInfo(item, image, null); if (info != null) { list.Add(info); } } foreach (var imageType in item.ImageInfos.Select(i => i.Type).Distinct().Where(item.AllowsMultipleImages)) { var index = 0; // Prevent implicitly captured closure var currentImageType = imageType; foreach (var image in item.ImageInfos.Where(i => i.Type == currentImageType)) { var info = GetImageInfo(item, image, index); if (info != null) { list.Add(info); } index++; } } var video = item as Video; if (video != null) { var index = 0; foreach (var chapter in _itemRepo.GetChapters(video.Id)) { if (!string.IsNullOrEmpty(chapter.ImagePath)) { var image = chapter.ImagePath; var info = GetImageInfo(item, new ItemImageInfo { Path = image, Type = ImageType.Chapter, DateModified = _fileSystem.GetLastWriteTimeUtc(image) }, index); if (info != null) { list.Add(info); } } index++; } } return list; } private ImageInfo GetImageInfo(IHasImages item, ItemImageInfo info, int? imageIndex) { try { var fileInfo = new FileInfo(info.Path); var size = _imageProcessor.GetImageSize(info.Path); return new ImageInfo { Path = info.Path, ImageIndex = imageIndex, ImageType = info.Type, ImageTag = _imageProcessor.GetImageCacheTag(item, info), Size = fileInfo.Length, Width = Convert.ToInt32(size.Width), Height = Convert.ToInt32(size.Height) }; } catch (Exception ex) { Logger.ErrorException("Error getting image information for {0}", ex, info.Path); return null; } } /// /// Gets the specified request. /// /// The request. /// System.Object. public object Get(GetItemImage request) { var item = string.IsNullOrEmpty(request.Id) ? _libraryManager.RootFolder : _libraryManager.GetItemById(request.Id); if (!string.IsNullOrEmpty(request.Params)) { ParseOptions(request, request.Params); } return GetImage(request, item); } private readonly CultureInfo _usCulture = new CultureInfo("en-US"); private void ParseOptions(ImageRequest request, string options) { var vals = options.Split(';'); for (var i = 0; i < vals.Length; i++) { var val = vals[i]; if (string.IsNullOrWhiteSpace(val)) { continue; } if (i == 0) { request.Tag = val; } else if (i == 1) { request.Format = (ImageOutputFormat)Enum.Parse(typeof(ImageOutputFormat), val, true); } else if (i == 2) { request.MaxWidth = int.Parse(val, _usCulture); } else if (i == 3) { request.MaxHeight = int.Parse(val, _usCulture); } } } /// /// Gets the specified request. /// /// The request. /// System.Object. public object Get(GetUserImage request) { var item = _userManager.Users.First(i => i.Id == request.Id); return GetImage(request, item); } public object Get(GetItemByNameImage request) { var pathInfo = PathInfo.Parse(Request.PathInfo); var type = pathInfo.GetArgumentValue(0); var item = GetItemByName(request.Name, type, _libraryManager); return GetImage(request, item); } /// /// Posts the specified request. /// /// The request. public void Post(PostUserImage request) { var pathInfo = PathInfo.Parse(Request.PathInfo); var id = new Guid(pathInfo.GetArgumentValue(1)); request.Type = (ImageType)Enum.Parse(typeof(ImageType), pathInfo.GetArgumentValue(3), true); var item = _userManager.Users.First(i => i.Id == id); var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType); Task.WaitAll(task); } /// /// Posts the specified request. /// /// The request. public void Post(PostItemImage request) { var pathInfo = PathInfo.Parse(Request.PathInfo); var id = new Guid(pathInfo.GetArgumentValue(1)); request.Type = (ImageType)Enum.Parse(typeof(ImageType), pathInfo.GetArgumentValue(3), true); var item = _libraryManager.GetItemById(id); var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType); Task.WaitAll(task); } /// /// Deletes the specified request. /// /// The request. public void Delete(DeleteUserImage request) { var item = _userManager.Users.First(i => i.Id == request.Id); var task = item.DeleteImage(request.Type, request.Index ?? 0); Task.WaitAll(task); } /// /// Deletes the specified request. /// /// The request. public void Delete(DeleteItemImage request) { var item = _libraryManager.GetItemById(request.Id); var task = item.DeleteImage(request.Type, request.Index ?? 0); Task.WaitAll(task); } /// /// Posts the specified request. /// /// The request. public void Post(UpdateItemImageIndex request) { var item = _libraryManager.GetItemById(request.Id); var task = UpdateItemIndex(item, request.Type, request.Index, request.NewIndex); Task.WaitAll(task); } /// /// Updates the index of the item. /// /// The item. /// The type. /// Index of the current. /// The new index. /// Task. /// The change index operation is only applicable to backdrops and screenshots private Task UpdateItemIndex(IHasImages item, ImageType type, int currentIndex, int newIndex) { return item.SwapImages(type, currentIndex, newIndex); } /// /// Gets the image. /// /// The request. /// The item. /// System.Object. /// /// public object GetImage(ImageRequest request, IHasImages item) { var imageInfo = GetImageInfo(request, item); if (imageInfo == null) { throw new ResourceNotFoundException(string.Format("{0} does not have an image of type {1}", item.Name, request.Type)); } // See if we can avoid a file system lookup by looking for the file in ResolveArgs var originalFileImageDateModified = imageInfo.DateModified; var supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.ImageEnhancers.Where(i => { try { return i.Supports(item, request.Type); } catch (Exception ex) { Logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name); return false; } }).ToList() : new List(); var contentType = GetMimeType(request.Format, imageInfo.Path); var cacheGuid = new Guid(_imageProcessor.GetImageCacheTag(item, request.Type, imageInfo.Path, originalFileImageDateModified, supportedImageEnhancers)); TimeSpan? cacheDuration = null; if (!string.IsNullOrEmpty(request.Tag) && cacheGuid == new Guid(request.Tag)) { cacheDuration = TimeSpan.FromDays(365); } // Avoid implicitly captured closure var currentItem = item; var currentRequest = request; var responseHeaders = new Dictionary { {"transferMode.dlna.org", "Interactive"}, {"realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*"} }; return ToCachedResult(cacheGuid, originalFileImageDateModified, cacheDuration, () => new ImageWriter { Item = currentItem, Request = currentRequest, OriginalImageDateModified = originalFileImageDateModified, Enhancers = supportedImageEnhancers, OriginalImagePath = imageInfo.Path, ImageProcessor = _imageProcessor }, contentType, responseHeaders); } private string GetMimeType(ImageOutputFormat format, string path) { if (format == ImageOutputFormat.Bmp) { return Common.Net.MimeTypes.GetMimeType("i.bmp"); } if (format == ImageOutputFormat.Gif) { return Common.Net.MimeTypes.GetMimeType("i.gif"); } if (format == ImageOutputFormat.Jpg) { return Common.Net.MimeTypes.GetMimeType("i.jpg"); } if (format == ImageOutputFormat.Png) { return Common.Net.MimeTypes.GetMimeType("i.png"); } return Common.Net.MimeTypes.GetMimeType(path); } /// /// Gets the image path. /// /// The request. /// The item. /// System.String. private ItemImageInfo GetImageInfo(ImageRequest request, IHasImages item) { var index = request.Index ?? 0; return item.GetImageInfo(request.Type, index); } /// /// Posts the image. /// /// The entity. /// The input stream. /// Type of the image. /// Type of the MIME. /// Task. public async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType) { using (var reader = new StreamReader(inputStream)) { var text = await reader.ReadToEndAsync().ConfigureAwait(false); var bytes = Convert.FromBase64String(text); var memoryStream = new MemoryStream(bytes) { Position = 0 }; // Handle image/png; charset=utf-8 mimeType = mimeType.Split(';').FirstOrDefault(); await _providerManager.SaveImage(entity, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false); await entity.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false); } } } }