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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. using Microsoft.Extensions.Logging;
  23. namespace MediaBrowser.Api.Images
  24. {
  25. /// <summary>
  26. /// Class GetItemImage
  27. /// </summary>
  28. [Route("/Items/{Id}/Images", "GET", Summary = "Gets information about an item's images")]
  29. [Authenticated]
  30. public class GetItemImageInfos : IReturn<List<ImageInfo>>
  31. {
  32. /// <summary>
  33. /// Gets or sets the id.
  34. /// </summary>
  35. /// <value>The id.</value>
  36. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  37. public string Id { get; set; }
  38. }
  39. [Route("/Items/{Id}/Images/{Type}", "GET")]
  40. [Route("/Items/{Id}/Images/{Type}/{Index}", "GET")]
  41. [Route("/Items/{Id}/Images/{Type}", "HEAD")]
  42. [Route("/Items/{Id}/Images/{Type}/{Index}", "HEAD")]
  43. [Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "GET")]
  44. [Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "HEAD")]
  45. public class GetItemImage : ImageRequest
  46. {
  47. /// <summary>
  48. /// Gets or sets the id.
  49. /// </summary>
  50. /// <value>The id.</value>
  51. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path")]
  52. public Guid Id { get; set; }
  53. }
  54. /// <summary>
  55. /// Class UpdateItemImageIndex
  56. /// </summary>
  57. [Route("/Items/{Id}/Images/{Type}/{Index}/Index", "POST", Summary = "Updates the index for an item image")]
  58. [Authenticated(Roles = "admin")]
  59. public class UpdateItemImageIndex : IReturnVoid
  60. {
  61. /// <summary>
  62. /// Gets or sets the id.
  63. /// </summary>
  64. /// <value>The id.</value>
  65. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  66. public string Id { get; set; }
  67. /// <summary>
  68. /// Gets or sets the type of the image.
  69. /// </summary>
  70. /// <value>The type of the image.</value>
  71. [ApiMember(Name = "Type", Description = "Image Type", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  72. public ImageType Type { get; set; }
  73. /// <summary>
  74. /// Gets or sets the index.
  75. /// </summary>
  76. /// <value>The index.</value>
  77. [ApiMember(Name = "Index", Description = "Image Index", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
  78. public int Index { get; set; }
  79. /// <summary>
  80. /// Gets or sets the new index.
  81. /// </summary>
  82. /// <value>The new index.</value>
  83. [ApiMember(Name = "NewIndex", Description = "The new image index", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
  84. public int NewIndex { get; set; }
  85. }
  86. /// <summary>
  87. /// Class GetPersonImage
  88. /// </summary>
  89. [Route("/Artists/{Name}/Images/{Type}", "GET")]
  90. [Route("/Artists/{Name}/Images/{Type}/{Index}", "GET")]
  91. [Route("/Genres/{Name}/Images/{Type}", "GET")]
  92. [Route("/Genres/{Name}/Images/{Type}/{Index}", "GET")]
  93. [Route("/GameGenres/{Name}/Images/{Type}", "GET")]
  94. [Route("/GameGenres/{Name}/Images/{Type}/{Index}", "GET")]
  95. [Route("/MusicGenres/{Name}/Images/{Type}", "GET")]
  96. [Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "GET")]
  97. [Route("/Persons/{Name}/Images/{Type}", "GET")]
  98. [Route("/Persons/{Name}/Images/{Type}/{Index}", "GET")]
  99. [Route("/Studios/{Name}/Images/{Type}", "GET")]
  100. [Route("/Studios/{Name}/Images/{Type}/{Index}", "GET")]
  101. ////[Route("/Years/{Year}/Images/{Type}", "GET")]
  102. ////[Route("/Years/{Year}/Images/{Type}/{Index}", "GET")]
  103. [Route("/Artists/{Name}/Images/{Type}", "HEAD")]
  104. [Route("/Artists/{Name}/Images/{Type}/{Index}", "HEAD")]
  105. [Route("/Genres/{Name}/Images/{Type}", "HEAD")]
  106. [Route("/Genres/{Name}/Images/{Type}/{Index}", "HEAD")]
  107. [Route("/GameGenres/{Name}/Images/{Type}", "HEAD")]
  108. [Route("/GameGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
  109. [Route("/MusicGenres/{Name}/Images/{Type}", "HEAD")]
  110. [Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
  111. [Route("/Persons/{Name}/Images/{Type}", "HEAD")]
  112. [Route("/Persons/{Name}/Images/{Type}/{Index}", "HEAD")]
  113. [Route("/Studios/{Name}/Images/{Type}", "HEAD")]
  114. [Route("/Studios/{Name}/Images/{Type}/{Index}", "HEAD")]
  115. ////[Route("/Years/{Year}/Images/{Type}", "HEAD")]
  116. ////[Route("/Years/{Year}/Images/{Type}/{Index}", "HEAD")]
  117. public class GetItemByNameImage : ImageRequest
  118. {
  119. /// <summary>
  120. /// Gets or sets the name.
  121. /// </summary>
  122. /// <value>The name.</value>
  123. [ApiMember(Name = "Name", Description = "Item name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  124. public string Name { get; set; }
  125. }
  126. /// <summary>
  127. /// Class GetUserImage
  128. /// </summary>
  129. [Route("/Users/{Id}/Images/{Type}", "GET")]
  130. [Route("/Users/{Id}/Images/{Type}/{Index}", "GET")]
  131. [Route("/Users/{Id}/Images/{Type}", "HEAD")]
  132. [Route("/Users/{Id}/Images/{Type}/{Index}", "HEAD")]
  133. public class GetUserImage : ImageRequest
  134. {
  135. /// <summary>
  136. /// Gets or sets the id.
  137. /// </summary>
  138. /// <value>The id.</value>
  139. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
  140. public Guid Id { get; set; }
  141. }
  142. /// <summary>
  143. /// Class DeleteItemImage
  144. /// </summary>
  145. [Route("/Items/{Id}/Images/{Type}", "DELETE")]
  146. [Route("/Items/{Id}/Images/{Type}/{Index}", "DELETE")]
  147. [Authenticated(Roles = "admin")]
  148. public class DeleteItemImage : DeleteImageRequest, IReturnVoid
  149. {
  150. /// <summary>
  151. /// Gets or sets the id.
  152. /// </summary>
  153. /// <value>The id.</value>
  154. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
  155. public string Id { get; set; }
  156. }
  157. /// <summary>
  158. /// Class DeleteUserImage
  159. /// </summary>
  160. [Route("/Users/{Id}/Images/{Type}", "DELETE")]
  161. [Route("/Users/{Id}/Images/{Type}/{Index}", "DELETE")]
  162. [Authenticated]
  163. public class DeleteUserImage : DeleteImageRequest, IReturnVoid
  164. {
  165. /// <summary>
  166. /// Gets or sets the id.
  167. /// </summary>
  168. /// <value>The id.</value>
  169. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
  170. public Guid Id { get; set; }
  171. }
  172. /// <summary>
  173. /// Class PostUserImage
  174. /// </summary>
  175. [Route("/Users/{Id}/Images/{Type}", "POST")]
  176. [Route("/Users/{Id}/Images/{Type}/{Index}", "POST")]
  177. [Authenticated]
  178. public class PostUserImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
  179. {
  180. /// <summary>
  181. /// Gets or sets the id.
  182. /// </summary>
  183. /// <value>The id.</value>
  184. [ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  185. public string Id { get; set; }
  186. /// <summary>
  187. /// The raw Http Request Input Stream
  188. /// </summary>
  189. /// <value>The request stream.</value>
  190. public Stream RequestStream { get; set; }
  191. }
  192. /// <summary>
  193. /// Class PostItemImage
  194. /// </summary>
  195. [Route("/Items/{Id}/Images/{Type}", "POST")]
  196. [Route("/Items/{Id}/Images/{Type}/{Index}", "POST")]
  197. [Authenticated(Roles = "admin")]
  198. public class PostItemImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
  199. {
  200. /// <summary>
  201. /// Gets or sets the id.
  202. /// </summary>
  203. /// <value>The id.</value>
  204. [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
  205. public string Id { get; set; }
  206. /// <summary>
  207. /// The raw Http Request Input Stream
  208. /// </summary>
  209. /// <value>The request stream.</value>
  210. public Stream RequestStream { get; set; }
  211. }
  212. /// <summary>
  213. /// Class ImageService
  214. /// </summary>
  215. public class ImageService : BaseApiService
  216. {
  217. private readonly IUserManager _userManager;
  218. private readonly ILibraryManager _libraryManager;
  219. private readonly IProviderManager _providerManager;
  220. private readonly IItemRepository _itemRepo;
  221. private readonly IImageProcessor _imageProcessor;
  222. private readonly IFileSystem _fileSystem;
  223. private readonly IAuthorizationContext _authContext;
  224. /// <summary>
  225. /// Initializes a new instance of the <see cref="ImageService" /> class.
  226. /// </summary>
  227. public ImageService(IUserManager userManager, ILibraryManager libraryManager, IProviderManager providerManager, IItemRepository itemRepo, IImageProcessor imageProcessor, IFileSystem fileSystem, IAuthorizationContext authContext)
  228. {
  229. _userManager = userManager;
  230. _libraryManager = libraryManager;
  231. _providerManager = providerManager;
  232. _itemRepo = itemRepo;
  233. _imageProcessor = imageProcessor;
  234. _fileSystem = fileSystem;
  235. _authContext = authContext;
  236. }
  237. /// <summary>
  238. /// Gets the specified request.
  239. /// </summary>
  240. /// <param name="request">The request.</param>
  241. /// <returns>System.Object.</returns>
  242. public object Get(GetItemImageInfos request)
  243. {
  244. var item = _libraryManager.GetItemById(request.Id);
  245. var result = GetItemImageInfos(item);
  246. return ToOptimizedResult(result);
  247. }
  248. /// <summary>
  249. /// Gets the item image infos.
  250. /// </summary>
  251. /// <param name="item">The item.</param>
  252. /// <returns>Task{List{ImageInfo}}.</returns>
  253. public List<ImageInfo> GetItemImageInfos(BaseItem item)
  254. {
  255. var list = new List<ImageInfo>();
  256. var itemImages = item.ImageInfos;
  257. foreach (var image in itemImages)
  258. {
  259. if (!item.AllowsMultipleImages(image.Type))
  260. {
  261. var info = GetImageInfo(item, image, null);
  262. if (info != null)
  263. {
  264. list.Add(info);
  265. }
  266. }
  267. }
  268. foreach (var imageType in itemImages.Select(i => i.Type).Distinct().Where(item.AllowsMultipleImages))
  269. {
  270. var index = 0;
  271. // Prevent implicitly captured closure
  272. var currentImageType = imageType;
  273. foreach (var image in itemImages.Where(i => i.Type == currentImageType))
  274. {
  275. var info = GetImageInfo(item, image, index);
  276. if (info != null)
  277. {
  278. list.Add(info);
  279. }
  280. index++;
  281. }
  282. }
  283. return list;
  284. }
  285. private ImageInfo GetImageInfo(BaseItem item, ItemImageInfo info, int? imageIndex)
  286. {
  287. try
  288. {
  289. int? width = null;
  290. int? height = null;
  291. long length = 0;
  292. try
  293. {
  294. if (info.IsLocalFile)
  295. {
  296. var fileInfo = _fileSystem.GetFileInfo(info.Path);
  297. length = fileInfo.Length;
  298. var size = _imageProcessor.GetImageSize(item, info, true, true);
  299. width = Convert.ToInt32(size.Width);
  300. height = Convert.ToInt32(size.Height);
  301. if (width <= 0 || height <= 0)
  302. {
  303. width = null;
  304. height = null;
  305. }
  306. }
  307. }
  308. catch
  309. {
  310. }
  311. return new ImageInfo
  312. {
  313. Path = info.Path,
  314. ImageIndex = imageIndex,
  315. ImageType = info.Type,
  316. ImageTag = _imageProcessor.GetImageCacheTag(item, info),
  317. Size = length,
  318. Width = width,
  319. Height = height
  320. };
  321. }
  322. catch (Exception ex)
  323. {
  324. Logger.LogError(ex, "Error getting image information for {path}", info.Path);
  325. return null;
  326. }
  327. }
  328. /// <summary>
  329. /// Gets the specified request.
  330. /// </summary>
  331. /// <param name="request">The request.</param>
  332. /// <returns>System.Object.</returns>
  333. public object Get(GetItemImage request)
  334. {
  335. return GetImage(request, request.Id, null, false);
  336. }
  337. /// <summary>
  338. /// Gets the specified request.
  339. /// </summary>
  340. /// <param name="request">The request.</param>
  341. /// <returns>System.Object.</returns>
  342. public object Head(GetItemImage request)
  343. {
  344. return GetImage(request, request.Id, null, true);
  345. }
  346. /// <summary>
  347. /// Gets the specified request.
  348. /// </summary>
  349. /// <param name="request">The request.</param>
  350. /// <returns>System.Object.</returns>
  351. public object Get(GetUserImage request)
  352. {
  353. var item = _userManager.GetUserById(request.Id);
  354. return GetImage(request, Guid.Empty, item, false);
  355. }
  356. public object Head(GetUserImage request)
  357. {
  358. var item = _userManager.GetUserById(request.Id);
  359. return GetImage(request, Guid.Empty, item, true);
  360. }
  361. public object Get(GetItemByNameImage request)
  362. {
  363. var type = GetPathValue(0);
  364. var item = GetItemByName(request.Name, type, _libraryManager, new DtoOptions(false));
  365. return GetImage(request, item.Id, item, false);
  366. }
  367. public object Head(GetItemByNameImage request)
  368. {
  369. var type = GetPathValue(0);
  370. var item = GetItemByName(request.Name, type, _libraryManager, new DtoOptions(false));
  371. return GetImage(request, item.Id, item, true);
  372. }
  373. /// <summary>
  374. /// Posts the specified request.
  375. /// </summary>
  376. /// <param name="request">The request.</param>
  377. public Task Post(PostUserImage request)
  378. {
  379. var userId = GetPathValue(1);
  380. AssertCanUpdateUser(_authContext, _userManager, new Guid(userId), true);
  381. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  382. var item = _userManager.GetUserById(userId);
  383. return PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  384. }
  385. /// <summary>
  386. /// Posts the specified request.
  387. /// </summary>
  388. /// <param name="request">The request.</param>
  389. public Task Post(PostItemImage request)
  390. {
  391. var id = GetPathValue(1);
  392. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  393. var item = _libraryManager.GetItemById(id);
  394. return PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  395. }
  396. /// <summary>
  397. /// Deletes the specified request.
  398. /// </summary>
  399. /// <param name="request">The request.</param>
  400. public void Delete(DeleteUserImage request)
  401. {
  402. var userId = request.Id;
  403. AssertCanUpdateUser(_authContext, _userManager, userId, true);
  404. var item = _userManager.GetUserById(userId);
  405. item.DeleteImage(request.Type, request.Index ?? 0);
  406. }
  407. /// <summary>
  408. /// Deletes the specified request.
  409. /// </summary>
  410. /// <param name="request">The request.</param>
  411. public void Delete(DeleteItemImage request)
  412. {
  413. var item = _libraryManager.GetItemById(request.Id);
  414. item.DeleteImage(request.Type, request.Index ?? 0);
  415. }
  416. /// <summary>
  417. /// Posts the specified request.
  418. /// </summary>
  419. /// <param name="request">The request.</param>
  420. public void Post(UpdateItemImageIndex request)
  421. {
  422. var item = _libraryManager.GetItemById(request.Id);
  423. UpdateItemIndex(item, request.Type, request.Index, request.NewIndex);
  424. }
  425. /// <summary>
  426. /// Updates the index of the item.
  427. /// </summary>
  428. /// <param name="item">The item.</param>
  429. /// <param name="type">The type.</param>
  430. /// <param name="currentIndex">Index of the current.</param>
  431. /// <param name="newIndex">The new index.</param>
  432. /// <returns>Task.</returns>
  433. private void UpdateItemIndex(BaseItem item, ImageType type, int currentIndex, int newIndex)
  434. {
  435. item.SwapImages(type, currentIndex, newIndex);
  436. }
  437. /// <summary>
  438. /// Gets the image.
  439. /// </summary>
  440. /// <param name="request">The request.</param>
  441. /// <param name="item">The item.</param>
  442. /// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
  443. /// <returns>System.Object.</returns>
  444. /// <exception cref="ResourceNotFoundException"></exception>
  445. public Task<object> GetImage(ImageRequest request, Guid itemId, BaseItem item, bool isHeadRequest)
  446. {
  447. if (request.PercentPlayed.HasValue)
  448. {
  449. if (request.PercentPlayed.Value <= 0)
  450. {
  451. request.PercentPlayed = null;
  452. }
  453. else if (request.PercentPlayed.Value >= 100)
  454. {
  455. request.PercentPlayed = null;
  456. request.AddPlayedIndicator = true;
  457. }
  458. }
  459. if (request.PercentPlayed.HasValue)
  460. {
  461. request.UnplayedCount = null;
  462. }
  463. if (request.UnplayedCount.HasValue)
  464. {
  465. if (request.UnplayedCount.Value <= 0)
  466. {
  467. request.UnplayedCount = null;
  468. }
  469. }
  470. if (item == null)
  471. {
  472. item = _libraryManager.GetItemById(itemId);
  473. if (item == null)
  474. {
  475. throw new ResourceNotFoundException(string.Format("Item {0} not found.", itemId.ToString("N")));
  476. }
  477. }
  478. var imageInfo = GetImageInfo(request, item);
  479. if (imageInfo == null)
  480. {
  481. var displayText = item == null ? itemId.ToString() : item.Name;
  482. throw new ResourceNotFoundException(string.Format("{0} does not have an image of type {1}", displayText, request.Type));
  483. }
  484. IImageEnhancer[] supportedImageEnhancers;
  485. if (_imageProcessor.ImageEnhancers.Length > 0)
  486. {
  487. if (item == null)
  488. {
  489. item = _libraryManager.GetItemById(itemId);
  490. }
  491. supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.GetSupportedEnhancers(item, request.Type) : Array.Empty<IImageEnhancer>();
  492. }
  493. else
  494. {
  495. supportedImageEnhancers = Array.Empty<IImageEnhancer>();
  496. }
  497. var cropwhitespace = request.Type == ImageType.Logo ||
  498. request.Type == ImageType.Art;
  499. if (request.CropWhitespace.HasValue)
  500. {
  501. cropwhitespace = request.CropWhitespace.Value;
  502. }
  503. var outputFormats = GetOutputFormats(request);
  504. TimeSpan? cacheDuration = null;
  505. if (!string.IsNullOrEmpty(request.Tag))
  506. {
  507. cacheDuration = TimeSpan.FromDays(365);
  508. }
  509. var responseHeaders = new Dictionary<string, string>
  510. {
  511. {"transferMode.dlna.org", "Interactive"},
  512. {"realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*"}
  513. };
  514. return GetImageResult(item,
  515. itemId,
  516. request,
  517. imageInfo,
  518. cropwhitespace,
  519. outputFormats,
  520. supportedImageEnhancers,
  521. cacheDuration,
  522. responseHeaders,
  523. isHeadRequest);
  524. }
  525. private async Task<object> GetImageResult(BaseItem item,
  526. Guid itemId,
  527. ImageRequest request,
  528. ItemImageInfo image,
  529. bool cropwhitespace,
  530. ImageFormat[] supportedFormats,
  531. IImageEnhancer[] enhancers,
  532. TimeSpan? cacheDuration,
  533. IDictionary<string, string> headers,
  534. bool isHeadRequest)
  535. {
  536. var options = new ImageProcessingOptions
  537. {
  538. CropWhiteSpace = cropwhitespace,
  539. Enhancers = enhancers,
  540. Height = request.Height,
  541. ImageIndex = request.Index ?? 0,
  542. Image = image,
  543. Item = item,
  544. ItemId = itemId,
  545. MaxHeight = request.MaxHeight,
  546. MaxWidth = request.MaxWidth,
  547. Quality = request.Quality ?? 100,
  548. Width = request.Width,
  549. AddPlayedIndicator = request.AddPlayedIndicator,
  550. PercentPlayed = request.PercentPlayed ?? 0,
  551. UnplayedCount = request.UnplayedCount,
  552. Blur = request.Blur,
  553. BackgroundColor = request.BackgroundColor,
  554. ForegroundLayer = request.ForegroundLayer,
  555. SupportedOutputFormats = supportedFormats
  556. };
  557. var imageResult = await _imageProcessor.ProcessImage(options).ConfigureAwait(false);
  558. headers["Vary"] = "Accept";
  559. return await ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
  560. {
  561. CacheDuration = cacheDuration,
  562. ResponseHeaders = headers,
  563. ContentType = imageResult.Item2,
  564. DateLastModified = imageResult.Item3,
  565. IsHeadRequest = isHeadRequest,
  566. Path = imageResult.Item1,
  567. FileShare = FileShareMode.Read
  568. }).ConfigureAwait(false);
  569. }
  570. private ImageFormat[] GetOutputFormats(ImageRequest request)
  571. {
  572. if (!string.IsNullOrWhiteSpace(request.Format))
  573. {
  574. ImageFormat format;
  575. if (Enum.TryParse(request.Format, true, out format))
  576. {
  577. return new ImageFormat[] { format };
  578. }
  579. }
  580. return GetClientSupportedFormats();
  581. }
  582. private ImageFormat[] GetClientSupportedFormats()
  583. {
  584. //logger.LogDebug("Request types: {0}", string.Join(",", Request.AcceptTypes ?? Array.Empty<string>()));
  585. var supportedFormats = (Request.AcceptTypes ?? Array.Empty<string>()).Select(i => i.Split(';')[0]).ToArray();
  586. var acceptParam = Request.QueryString["accept"];
  587. var supportsWebP = SupportsFormat(supportedFormats, acceptParam, "webp", false);
  588. if (!supportsWebP)
  589. {
  590. var userAgent = Request.UserAgent ?? string.Empty;
  591. if (userAgent.IndexOf("crosswalk", StringComparison.OrdinalIgnoreCase) != -1 &&
  592. userAgent.IndexOf("android", StringComparison.OrdinalIgnoreCase) != -1)
  593. {
  594. supportsWebP = true;
  595. }
  596. }
  597. var formats = new List<ImageFormat>(4);
  598. if (supportsWebP)
  599. {
  600. formats.Add(ImageFormat.Webp);
  601. }
  602. formats.Add(ImageFormat.Jpg);
  603. formats.Add(ImageFormat.Png);
  604. if (SupportsFormat(supportedFormats, acceptParam, "gif", true))
  605. {
  606. formats.Add(ImageFormat.Gif);
  607. }
  608. return formats.ToArray();
  609. }
  610. private bool SupportsFormat(string[] requestAcceptTypes, string acceptParam, string format, bool acceptAll)
  611. {
  612. var mimeType = "image/" + format;
  613. if (requestAcceptTypes.Contains(mimeType))
  614. {
  615. return true;
  616. }
  617. if (acceptAll && requestAcceptTypes.Contains("*/*"))
  618. {
  619. return true;
  620. }
  621. return string.Equals(Request.QueryString["accept"], format, StringComparison.OrdinalIgnoreCase);
  622. }
  623. /// <summary>
  624. /// Gets the image path.
  625. /// </summary>
  626. /// <param name="request">The request.</param>
  627. /// <param name="item">The item.</param>
  628. /// <returns>System.String.</returns>
  629. private ItemImageInfo GetImageInfo(ImageRequest request, BaseItem item)
  630. {
  631. var index = request.Index ?? 0;
  632. return item.GetImageInfo(request.Type, index);
  633. }
  634. /// <summary>
  635. /// Posts the image.
  636. /// </summary>
  637. /// <param name="entity">The entity.</param>
  638. /// <param name="inputStream">The input stream.</param>
  639. /// <param name="imageType">Type of the image.</param>
  640. /// <param name="mimeType">Type of the MIME.</param>
  641. /// <returns>Task.</returns>
  642. public async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType)
  643. {
  644. using (var reader = new StreamReader(inputStream))
  645. {
  646. var text = await reader.ReadToEndAsync().ConfigureAwait(false);
  647. var bytes = Convert.FromBase64String(text);
  648. var memoryStream = new MemoryStream(bytes)
  649. {
  650. Position = 0
  651. };
  652. // Handle image/png; charset=utf-8
  653. mimeType = mimeType.Split(';').FirstOrDefault();
  654. await _providerManager.SaveImage(entity, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
  655. entity.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None);
  656. }
  657. }
  658. }
  659. }