ImageService.cs 27 KB

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