ImageService.cs 27 KB

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  1. using MediaBrowser.Common.Extensions;
  2. using MediaBrowser.Controller.Drawing;
  3. using MediaBrowser.Controller.Entities;
  4. using MediaBrowser.Controller.Library;
  5. using MediaBrowser.Controller.Net;
  6. using MediaBrowser.Controller.Persistence;
  7. using MediaBrowser.Controller.Providers;
  8. using MediaBrowser.Model.Drawing;
  9. using MediaBrowser.Model.Dto;
  10. using MediaBrowser.Model.Entities;
  11. using System;
  12. using System.Collections.Generic;
  13. using System.IO;
  14. using System.Linq;
  15. using System.Threading;
  16. using System.Threading.Tasks;
  17. using MediaBrowser.Controller.Dto;
  18. using MediaBrowser.Controller.IO;
  19. using MediaBrowser.Controller.LiveTv;
  20. using MediaBrowser.Model.IO;
  21. using MediaBrowser.Model.Services;
  22. namespace MediaBrowser.Api.Images
  23. {
  24. /// <summary>
  25. /// Class GetItemImage
  26. /// </summary>
  27. [Route("/Items/{Id}/Images", "GET", Summary = "Gets information about an item's images")]
  28. [Authenticated]
  29. public class GetItemImageInfos : IReturn<List<ImageInfo>>
  30. {
  31. /// <summary>
  32. /// Gets or sets the id.
  33. /// </summary>
  34. /// <value>The id.</value>
  35. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  36. public string Id { get; set; }
  37. }
  38. [Route("/Items/{Id}/Images/{Type}", "GET")]
  39. [Route("/Items/{Id}/Images/{Type}/{Index}", "GET")]
  40. [Route("/Items/{Id}/Images/{Type}", "HEAD")]
  41. [Route("/Items/{Id}/Images/{Type}/{Index}", "HEAD")]
  42. [Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "GET")]
  43. [Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "HEAD")]
  44. public class GetItemImage : ImageRequest
  45. {
  46. /// <summary>
  47. /// Gets or sets the id.
  48. /// </summary>
  49. /// <value>The id.</value>
  50. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path")]
  51. public Guid Id { get; set; }
  52. }
  53. /// <summary>
  54. /// Class UpdateItemImageIndex
  55. /// </summary>
  56. [Route("/Items/{Id}/Images/{Type}/{Index}/Index", "POST", Summary = "Updates the index for an item image")]
  57. [Authenticated(Roles = "admin")]
  58. public class UpdateItemImageIndex : IReturnVoid
  59. {
  60. /// <summary>
  61. /// Gets or sets the id.
  62. /// </summary>
  63. /// <value>The id.</value>
  64. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  65. public string Id { get; set; }
  66. /// <summary>
  67. /// Gets or sets the type of the image.
  68. /// </summary>
  69. /// <value>The type of the image.</value>
  70. [ApiMember(Name = "Type", Description = "Image Type", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  71. public ImageType Type { get; set; }
  72. /// <summary>
  73. /// Gets or sets the index.
  74. /// </summary>
  75. /// <value>The index.</value>
  76. [ApiMember(Name = "Index", Description = "Image Index", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
  77. public int Index { get; set; }
  78. /// <summary>
  79. /// Gets or sets the new index.
  80. /// </summary>
  81. /// <value>The new index.</value>
  82. [ApiMember(Name = "NewIndex", Description = "The new image index", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
  83. public int NewIndex { get; set; }
  84. }
  85. /// <summary>
  86. /// Class GetPersonImage
  87. /// </summary>
  88. [Route("/Artists/{Name}/Images/{Type}", "GET")]
  89. [Route("/Artists/{Name}/Images/{Type}/{Index}", "GET")]
  90. [Route("/Genres/{Name}/Images/{Type}", "GET")]
  91. [Route("/Genres/{Name}/Images/{Type}/{Index}", "GET")]
  92. [Route("/GameGenres/{Name}/Images/{Type}", "GET")]
  93. [Route("/GameGenres/{Name}/Images/{Type}/{Index}", "GET")]
  94. [Route("/MusicGenres/{Name}/Images/{Type}", "GET")]
  95. [Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "GET")]
  96. [Route("/Persons/{Name}/Images/{Type}", "GET")]
  97. [Route("/Persons/{Name}/Images/{Type}/{Index}", "GET")]
  98. [Route("/Studios/{Name}/Images/{Type}", "GET")]
  99. [Route("/Studios/{Name}/Images/{Type}/{Index}", "GET")]
  100. ////[Route("/Years/{Year}/Images/{Type}", "GET")]
  101. ////[Route("/Years/{Year}/Images/{Type}/{Index}", "GET")]
  102. [Route("/Artists/{Name}/Images/{Type}", "HEAD")]
  103. [Route("/Artists/{Name}/Images/{Type}/{Index}", "HEAD")]
  104. [Route("/Genres/{Name}/Images/{Type}", "HEAD")]
  105. [Route("/Genres/{Name}/Images/{Type}/{Index}", "HEAD")]
  106. [Route("/GameGenres/{Name}/Images/{Type}", "HEAD")]
  107. [Route("/GameGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
  108. [Route("/MusicGenres/{Name}/Images/{Type}", "HEAD")]
  109. [Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
  110. [Route("/Persons/{Name}/Images/{Type}", "HEAD")]
  111. [Route("/Persons/{Name}/Images/{Type}/{Index}", "HEAD")]
  112. [Route("/Studios/{Name}/Images/{Type}", "HEAD")]
  113. [Route("/Studios/{Name}/Images/{Type}/{Index}", "HEAD")]
  114. ////[Route("/Years/{Year}/Images/{Type}", "HEAD")]
  115. ////[Route("/Years/{Year}/Images/{Type}/{Index}", "HEAD")]
  116. public class GetItemByNameImage : ImageRequest
  117. {
  118. /// <summary>
  119. /// Gets or sets the name.
  120. /// </summary>
  121. /// <value>The name.</value>
  122. [ApiMember(Name = "Name", Description = "Item name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  123. public string Name { get; set; }
  124. }
  125. /// <summary>
  126. /// Class GetUserImage
  127. /// </summary>
  128. [Route("/Users/{Id}/Images/{Type}", "GET")]
  129. [Route("/Users/{Id}/Images/{Type}/{Index}", "GET")]
  130. [Route("/Users/{Id}/Images/{Type}", "HEAD")]
  131. [Route("/Users/{Id}/Images/{Type}/{Index}", "HEAD")]
  132. public class GetUserImage : ImageRequest
  133. {
  134. /// <summary>
  135. /// Gets or sets the id.
  136. /// </summary>
  137. /// <value>The id.</value>
  138. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  139. public Guid Id { get; set; }
  140. }
  141. /// <summary>
  142. /// Class DeleteItemImage
  143. /// </summary>
  144. [Route("/Items/{Id}/Images/{Type}", "DELETE")]
  145. [Route("/Items/{Id}/Images/{Type}/{Index}", "DELETE")]
  146. [Authenticated(Roles = "admin")]
  147. public class DeleteItemImage : DeleteImageRequest, IReturnVoid
  148. {
  149. /// <summary>
  150. /// Gets or sets the id.
  151. /// </summary>
  152. /// <value>The id.</value>
  153. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
  154. public string Id { get; set; }
  155. }
  156. /// <summary>
  157. /// Class DeleteUserImage
  158. /// </summary>
  159. [Route("/Users/{Id}/Images/{Type}", "DELETE")]
  160. [Route("/Users/{Id}/Images/{Type}/{Index}", "DELETE")]
  161. [Authenticated]
  162. public class DeleteUserImage : DeleteImageRequest, IReturnVoid
  163. {
  164. /// <summary>
  165. /// Gets or sets the id.
  166. /// </summary>
  167. /// <value>The id.</value>
  168. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
  169. public Guid Id { get; set; }
  170. }
  171. /// <summary>
  172. /// Class PostUserImage
  173. /// </summary>
  174. [Route("/Users/{Id}/Images/{Type}", "POST")]
  175. [Route("/Users/{Id}/Images/{Type}/{Index}", "POST")]
  176. [Authenticated]
  177. public class PostUserImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
  178. {
  179. /// <summary>
  180. /// Gets or sets the id.
  181. /// </summary>
  182. /// <value>The id.</value>
  183. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  184. public string Id { get; set; }
  185. /// <summary>
  186. /// The raw Http Request Input Stream
  187. /// </summary>
  188. /// <value>The request stream.</value>
  189. public Stream RequestStream { get; set; }
  190. }
  191. /// <summary>
  192. /// Class PostItemImage
  193. /// </summary>
  194. [Route("/Items/{Id}/Images/{Type}", "POST")]
  195. [Route("/Items/{Id}/Images/{Type}/{Index}", "POST")]
  196. [Authenticated(Roles = "admin")]
  197. public class PostItemImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
  198. {
  199. /// <summary>
  200. /// Gets or sets the id.
  201. /// </summary>
  202. /// <value>The id.</value>
  203. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  204. public string Id { get; set; }
  205. /// <summary>
  206. /// The raw Http Request Input Stream
  207. /// </summary>
  208. /// <value>The request stream.</value>
  209. public Stream RequestStream { get; set; }
  210. }
  211. /// <summary>
  212. /// Class ImageService
  213. /// </summary>
  214. public class ImageService : BaseApiService
  215. {
  216. private readonly IUserManager _userManager;
  217. private readonly ILibraryManager _libraryManager;
  218. private readonly IProviderManager _providerManager;
  219. private readonly IItemRepository _itemRepo;
  220. private readonly IImageProcessor _imageProcessor;
  221. private readonly IFileSystem _fileSystem;
  222. private readonly IAuthorizationContext _authContext;
  223. /// <summary>
  224. /// Initializes a new instance of the <see cref="ImageService" /> class.
  225. /// </summary>
  226. public ImageService(IUserManager userManager, ILibraryManager libraryManager, IProviderManager providerManager, IItemRepository itemRepo, IImageProcessor imageProcessor, IFileSystem fileSystem, IAuthorizationContext authContext)
  227. {
  228. _userManager = userManager;
  229. _libraryManager = libraryManager;
  230. _providerManager = providerManager;
  231. _itemRepo = itemRepo;
  232. _imageProcessor = imageProcessor;
  233. _fileSystem = fileSystem;
  234. _authContext = authContext;
  235. }
  236. /// <summary>
  237. /// Gets the specified request.
  238. /// </summary>
  239. /// <param name="request">The request.</param>
  240. /// <returns>System.Object.</returns>
  241. public object Get(GetItemImageInfos request)
  242. {
  243. var item = _libraryManager.GetItemById(request.Id);
  244. var result = GetItemImageInfos(item);
  245. return ToOptimizedResult(result);
  246. }
  247. /// <summary>
  248. /// Gets the item image infos.
  249. /// </summary>
  250. /// <param name="item">The item.</param>
  251. /// <returns>Task{List{ImageInfo}}.</returns>
  252. public List<ImageInfo> GetItemImageInfos(BaseItem item)
  253. {
  254. var list = new List<ImageInfo>();
  255. var itemImages = item.ImageInfos;
  256. foreach (var image in itemImages)
  257. {
  258. if (!item.AllowsMultipleImages(image.Type))
  259. {
  260. var info = GetImageInfo(item, image, null);
  261. if (info != null)
  262. {
  263. list.Add(info);
  264. }
  265. }
  266. }
  267. foreach (var imageType in itemImages.Select(i => i.Type).Distinct().Where(item.AllowsMultipleImages))
  268. {
  269. var index = 0;
  270. // Prevent implicitly captured closure
  271. var currentImageType = imageType;
  272. foreach (var image in itemImages.Where(i => i.Type == currentImageType))
  273. {
  274. var info = GetImageInfo(item, image, index);
  275. if (info != null)
  276. {
  277. list.Add(info);
  278. }
  279. index++;
  280. }
  281. }
  282. return list;
  283. }
  284. private ImageInfo GetImageInfo(BaseItem item, ItemImageInfo info, int? imageIndex)
  285. {
  286. try
  287. {
  288. int? width = null;
  289. int? height = null;
  290. long length = 0;
  291. try
  292. {
  293. if (info.IsLocalFile)
  294. {
  295. var fileInfo = _fileSystem.GetFileInfo(info.Path);
  296. length = fileInfo.Length;
  297. var size = _imageProcessor.GetImageSize(item, info, true, true);
  298. width = Convert.ToInt32(size.Width);
  299. height = Convert.ToInt32(size.Height);
  300. if (width <= 0 || height <= 0)
  301. {
  302. width = null;
  303. height = null;
  304. }
  305. }
  306. }
  307. catch
  308. {
  309. }
  310. return new ImageInfo
  311. {
  312. Path = info.Path,
  313. ImageIndex = imageIndex,
  314. ImageType = info.Type,
  315. ImageTag = _imageProcessor.GetImageCacheTag(item, info),
  316. Size = length,
  317. Width = width,
  318. Height = height
  319. };
  320. }
  321. catch (Exception ex)
  322. {
  323. Logger.ErrorException("Error getting image information for {0}", ex, info.Path);
  324. return null;
  325. }
  326. }
  327. /// <summary>
  328. /// Gets the specified request.
  329. /// </summary>
  330. /// <param name="request">The request.</param>
  331. /// <returns>System.Object.</returns>
  332. public object Get(GetItemImage request)
  333. {
  334. return GetImage(request, request.Id, null, false);
  335. }
  336. /// <summary>
  337. /// Gets the specified request.
  338. /// </summary>
  339. /// <param name="request">The request.</param>
  340. /// <returns>System.Object.</returns>
  341. public object Head(GetItemImage request)
  342. {
  343. return GetImage(request, request.Id, null, true);
  344. }
  345. /// <summary>
  346. /// Gets the specified request.
  347. /// </summary>
  348. /// <param name="request">The request.</param>
  349. /// <returns>System.Object.</returns>
  350. public object Get(GetUserImage request)
  351. {
  352. var item = _userManager.GetUserById(request.Id);
  353. return GetImage(request, Guid.Empty, item, false);
  354. }
  355. public object Head(GetUserImage request)
  356. {
  357. var item = _userManager.GetUserById(request.Id);
  358. return GetImage(request, Guid.Empty, item, true);
  359. }
  360. public object Get(GetItemByNameImage request)
  361. {
  362. var type = GetPathValue(0);
  363. var item = GetItemByName(request.Name, type, _libraryManager, new DtoOptions(false));
  364. return GetImage(request, item.Id, item, false);
  365. }
  366. public object Head(GetItemByNameImage request)
  367. {
  368. var type = GetPathValue(0);
  369. var item = GetItemByName(request.Name, type, _libraryManager, new DtoOptions(false));
  370. return GetImage(request, item.Id, item, true);
  371. }
  372. /// <summary>
  373. /// Posts the specified request.
  374. /// </summary>
  375. /// <param name="request">The request.</param>
  376. public Task Post(PostUserImage request)
  377. {
  378. var userId = GetPathValue(1);
  379. AssertCanUpdateUser(_authContext, _userManager, new Guid(userId), true);
  380. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  381. var item = _userManager.GetUserById(userId);
  382. return PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  383. }
  384. /// <summary>
  385. /// Posts the specified request.
  386. /// </summary>
  387. /// <param name="request">The request.</param>
  388. public Task Post(PostItemImage request)
  389. {
  390. var id = GetPathValue(1);
  391. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  392. var item = _libraryManager.GetItemById(id);
  393. return PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  394. }
  395. /// <summary>
  396. /// Deletes the specified request.
  397. /// </summary>
  398. /// <param name="request">The request.</param>
  399. public void Delete(DeleteUserImage request)
  400. {
  401. var userId = request.Id;
  402. AssertCanUpdateUser(_authContext, _userManager, userId, true);
  403. var item = _userManager.GetUserById(userId);
  404. item.DeleteImage(request.Type, request.Index ?? 0);
  405. }
  406. /// <summary>
  407. /// Deletes the specified request.
  408. /// </summary>
  409. /// <param name="request">The request.</param>
  410. public void Delete(DeleteItemImage request)
  411. {
  412. var item = _libraryManager.GetItemById(request.Id);
  413. item.DeleteImage(request.Type, request.Index ?? 0);
  414. }
  415. /// <summary>
  416. /// Posts the specified request.
  417. /// </summary>
  418. /// <param name="request">The request.</param>
  419. public void Post(UpdateItemImageIndex request)
  420. {
  421. var item = _libraryManager.GetItemById(request.Id);
  422. UpdateItemIndex(item, request.Type, request.Index, request.NewIndex);
  423. }
  424. /// <summary>
  425. /// Updates the index of the item.
  426. /// </summary>
  427. /// <param name="item">The item.</param>
  428. /// <param name="type">The type.</param>
  429. /// <param name="currentIndex">Index of the current.</param>
  430. /// <param name="newIndex">The new index.</param>
  431. /// <returns>Task.</returns>
  432. private void UpdateItemIndex(BaseItem item, ImageType type, int currentIndex, int newIndex)
  433. {
  434. item.SwapImages(type, currentIndex, newIndex);
  435. }
  436. /// <summary>
  437. /// Gets the image.
  438. /// </summary>
  439. /// <param name="request">The request.</param>
  440. /// <param name="item">The item.</param>
  441. /// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
  442. /// <returns>System.Object.</returns>
  443. /// <exception cref="ResourceNotFoundException"></exception>
  444. public Task<object> GetImage(ImageRequest request, Guid itemId, BaseItem item, bool isHeadRequest)
  445. {
  446. if (request.PercentPlayed.HasValue)
  447. {
  448. if (request.PercentPlayed.Value <= 0)
  449. {
  450. request.PercentPlayed = null;
  451. }
  452. else if (request.PercentPlayed.Value >= 100)
  453. {
  454. request.PercentPlayed = null;
  455. request.AddPlayedIndicator = true;
  456. }
  457. }
  458. if (request.PercentPlayed.HasValue)
  459. {
  460. request.UnplayedCount = null;
  461. }
  462. if (request.UnplayedCount.HasValue)
  463. {
  464. if (request.UnplayedCount.Value <= 0)
  465. {
  466. request.UnplayedCount = null;
  467. }
  468. }
  469. if (item == null)
  470. {
  471. item = _libraryManager.GetItemById(itemId);
  472. if (item == null)
  473. {
  474. throw new ResourceNotFoundException(string.Format("Item {0} not found.", itemId.ToString("N")));
  475. }
  476. }
  477. var imageInfo = GetImageInfo(request, item);
  478. if (imageInfo == null)
  479. {
  480. var displayText = item == null ? itemId.ToString() : item.Name;
  481. throw new ResourceNotFoundException(string.Format("{0} does not have an image of type {1}", displayText, request.Type));
  482. }
  483. IImageEnhancer[] supportedImageEnhancers;
  484. if (_imageProcessor.ImageEnhancers.Length > 0)
  485. {
  486. if (item == null)
  487. {
  488. item = _libraryManager.GetItemById(itemId);
  489. }
  490. supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.GetSupportedEnhancers(item, request.Type) : Array.Empty<IImageEnhancer>();
  491. }
  492. else
  493. {
  494. supportedImageEnhancers = Array.Empty<IImageEnhancer>();
  495. }
  496. var cropwhitespace = request.Type == ImageType.Logo ||
  497. request.Type == ImageType.Art;
  498. if (request.CropWhitespace.HasValue)
  499. {
  500. cropwhitespace = request.CropWhitespace.Value;
  501. }
  502. var outputFormats = GetOutputFormats(request);
  503. TimeSpan? cacheDuration = null;
  504. if (!string.IsNullOrEmpty(request.Tag))
  505. {
  506. cacheDuration = TimeSpan.FromDays(365);
  507. }
  508. var responseHeaders = new Dictionary<string, string>
  509. {
  510. {"transferMode.dlna.org", "Interactive"},
  511. {"realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*"}
  512. };
  513. return GetImageResult(item,
  514. itemId,
  515. request,
  516. imageInfo,
  517. cropwhitespace,
  518. outputFormats,
  519. supportedImageEnhancers,
  520. cacheDuration,
  521. responseHeaders,
  522. isHeadRequest);
  523. }
  524. private async Task<object> GetImageResult(BaseItem item,
  525. Guid itemId,
  526. ImageRequest request,
  527. ItemImageInfo image,
  528. bool cropwhitespace,
  529. ImageFormat[] supportedFormats,
  530. IImageEnhancer[] enhancers,
  531. TimeSpan? cacheDuration,
  532. IDictionary<string, string> headers,
  533. bool isHeadRequest)
  534. {
  535. var options = new ImageProcessingOptions
  536. {
  537. CropWhiteSpace = cropwhitespace,
  538. Enhancers = enhancers,
  539. Height = request.Height,
  540. ImageIndex = request.Index ?? 0,
  541. Image = image,
  542. Item = item,
  543. ItemId = itemId,
  544. MaxHeight = request.MaxHeight,
  545. MaxWidth = request.MaxWidth,
  546. Quality = request.Quality ?? 100,
  547. Width = request.Width,
  548. AddPlayedIndicator = request.AddPlayedIndicator,
  549. PercentPlayed = request.PercentPlayed ?? 0,
  550. UnplayedCount = request.UnplayedCount,
  551. Blur = request.Blur,
  552. BackgroundColor = request.BackgroundColor,
  553. ForegroundLayer = request.ForegroundLayer,
  554. SupportedOutputFormats = supportedFormats
  555. };
  556. var imageResult = await _imageProcessor.ProcessImage(options).ConfigureAwait(false);
  557. headers["Vary"] = "Accept";
  558. return await ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
  559. {
  560. CacheDuration = cacheDuration,
  561. ResponseHeaders = headers,
  562. ContentType = imageResult.Item2,
  563. DateLastModified = imageResult.Item3,
  564. IsHeadRequest = isHeadRequest,
  565. Path = imageResult.Item1,
  566. FileShare = FileShareMode.Read
  567. }).ConfigureAwait(false);
  568. }
  569. private ImageFormat[] GetOutputFormats(ImageRequest request)
  570. {
  571. if (!string.IsNullOrWhiteSpace(request.Format))
  572. {
  573. ImageFormat format;
  574. if (Enum.TryParse(request.Format, true, out format))
  575. {
  576. return new ImageFormat[] { format };
  577. }
  578. }
  579. return GetClientSupportedFormats();
  580. }
  581. private ImageFormat[] GetClientSupportedFormats()
  582. {
  583. //Logger.Debug("Request types: {0}", string.Join(",", Request.AcceptTypes ?? Array.Empty<string>()));
  584. var supportedFormats = (Request.AcceptTypes ?? Array.Empty<string>()).Select(i => i.Split(';')[0]).ToArray();
  585. var acceptParam = Request.QueryString["accept"];
  586. var supportsWebP = SupportsFormat(supportedFormats, acceptParam, "webp", false);
  587. if (!supportsWebP)
  588. {
  589. var userAgent = Request.UserAgent ?? string.Empty;
  590. if (userAgent.IndexOf("crosswalk", StringComparison.OrdinalIgnoreCase) != -1 &&
  591. userAgent.IndexOf("android", StringComparison.OrdinalIgnoreCase) != -1)
  592. {
  593. supportsWebP = true;
  594. }
  595. }
  596. var formats = new List<ImageFormat>(4);
  597. if (supportsWebP)
  598. {
  599. formats.Add(ImageFormat.Webp);
  600. }
  601. formats.Add(ImageFormat.Jpg);
  602. formats.Add(ImageFormat.Png);
  603. if (SupportsFormat(supportedFormats, acceptParam, "gif", true))
  604. {
  605. formats.Add(ImageFormat.Gif);
  606. }
  607. return formats.ToArray();
  608. }
  609. private bool SupportsFormat(string[] requestAcceptTypes, string acceptParam, string format, bool acceptAll)
  610. {
  611. var mimeType = "image/" + format;
  612. if (requestAcceptTypes.Contains(mimeType))
  613. {
  614. return true;
  615. }
  616. if (acceptAll && requestAcceptTypes.Contains("*/*"))
  617. {
  618. return true;
  619. }
  620. return string.Equals(Request.QueryString["accept"], format, StringComparison.OrdinalIgnoreCase);
  621. }
  622. /// <summary>
  623. /// Gets the image path.
  624. /// </summary>
  625. /// <param name="request">The request.</param>
  626. /// <param name="item">The item.</param>
  627. /// <returns>System.String.</returns>
  628. private ItemImageInfo GetImageInfo(ImageRequest request, BaseItem item)
  629. {
  630. var index = request.Index ?? 0;
  631. return item.GetImageInfo(request.Type, index);
  632. }
  633. /// <summary>
  634. /// Posts the image.
  635. /// </summary>
  636. /// <param name="entity">The entity.</param>
  637. /// <param name="inputStream">The input stream.</param>
  638. /// <param name="imageType">Type of the image.</param>
  639. /// <param name="mimeType">Type of the MIME.</param>
  640. /// <returns>Task.</returns>
  641. public async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType)
  642. {
  643. using (var reader = new StreamReader(inputStream))
  644. {
  645. var text = await reader.ReadToEndAsync().ConfigureAwait(false);
  646. var bytes = Convert.FromBase64String(text);
  647. var memoryStream = new MemoryStream(bytes)
  648. {
  649. Position = 0
  650. };
  651. // Handle image/png; charset=utf-8
  652. mimeType = mimeType.Split(';').FirstOrDefault();
  653. await _providerManager.SaveImage(entity, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
  654. entity.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None);
  655. }
  656. }
  657. }
  658. }