ImageService.cs 27 KB

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  1. using MediaBrowser.Common.Extensions;
  2. using MediaBrowser.Common.IO;
  3. using MediaBrowser.Controller.Drawing;
  4. using MediaBrowser.Controller.Entities;
  5. using MediaBrowser.Controller.Library;
  6. using MediaBrowser.Controller.Net;
  7. using MediaBrowser.Controller.Persistence;
  8. using MediaBrowser.Controller.Providers;
  9. using MediaBrowser.Model.Drawing;
  10. using MediaBrowser.Model.Dto;
  11. using MediaBrowser.Model.Entities;
  12. using ServiceStack;
  13. using ServiceStack.Web;
  14. using System;
  15. using System.Collections.Generic;
  16. using System.IO;
  17. using System.Linq;
  18. using System.Threading;
  19. using System.Threading.Tasks;
  20. using CommonIO;
  21. using MimeTypes = MediaBrowser.Model.Net.MimeTypes;
  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", Verb = "GET")]
  51. public string 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 = "GET")]
  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 = "GET")]
  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 string 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 string 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. [Api(Description = "Posts an item image")]
  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. /// <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)
  227. {
  228. _userManager = userManager;
  229. _libraryManager = libraryManager;
  230. _providerManager = providerManager;
  231. _itemRepo = itemRepo;
  232. _imageProcessor = imageProcessor;
  233. _fileSystem = fileSystem;
  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 ToOptimizedSerializedResultUsingCache(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. foreach (var image in item.ImageInfos.Where(i => !item.AllowsMultipleImages(i.Type)))
  255. {
  256. var info = GetImageInfo(item, image, null);
  257. if (info != null)
  258. {
  259. list.Add(info);
  260. }
  261. }
  262. foreach (var imageType in item.ImageInfos.Select(i => i.Type).Distinct().Where(item.AllowsMultipleImages))
  263. {
  264. var index = 0;
  265. // Prevent implicitly captured closure
  266. var currentImageType = imageType;
  267. foreach (var image in item.ImageInfos.Where(i => i.Type == currentImageType))
  268. {
  269. var info = GetImageInfo(item, image, index);
  270. if (info != null)
  271. {
  272. list.Add(info);
  273. }
  274. index++;
  275. }
  276. }
  277. return list;
  278. }
  279. private ImageInfo GetImageInfo(IHasImages item, ItemImageInfo info, int? imageIndex)
  280. {
  281. try
  282. {
  283. var fileInfo = new FileInfo(info.Path);
  284. int? width = null;
  285. int? height = null;
  286. try
  287. {
  288. if (info.IsLocalFile)
  289. {
  290. var size = _imageProcessor.GetImageSize(info);
  291. width = Convert.ToInt32(size.Width);
  292. height = Convert.ToInt32(size.Height);
  293. }
  294. }
  295. catch
  296. {
  297. }
  298. return new ImageInfo
  299. {
  300. Path = info.Path,
  301. ImageIndex = imageIndex,
  302. ImageType = info.Type,
  303. ImageTag = _imageProcessor.GetImageCacheTag(item, info),
  304. Size = fileInfo.Length,
  305. Width = width,
  306. Height = height
  307. };
  308. }
  309. catch (Exception ex)
  310. {
  311. Logger.ErrorException("Error getting image information for {0}", ex, info.Path);
  312. return null;
  313. }
  314. }
  315. /// <summary>
  316. /// Gets the specified request.
  317. /// </summary>
  318. /// <param name="request">The request.</param>
  319. /// <returns>System.Object.</returns>
  320. public object Get(GetItemImage request)
  321. {
  322. var item = string.IsNullOrEmpty(request.Id) ?
  323. _libraryManager.RootFolder :
  324. _libraryManager.GetItemById(request.Id);
  325. return GetImage(request, item, false);
  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 Head(GetItemImage request)
  333. {
  334. var item = string.IsNullOrEmpty(request.Id) ?
  335. _libraryManager.RootFolder :
  336. _libraryManager.GetItemById(request.Id);
  337. return GetImage(request, item, true);
  338. }
  339. /// <summary>
  340. /// Gets the specified request.
  341. /// </summary>
  342. /// <param name="request">The request.</param>
  343. /// <returns>System.Object.</returns>
  344. public object Get(GetUserImage request)
  345. {
  346. var item = _userManager.GetUserById(request.Id);
  347. return GetImage(request, item, false);
  348. }
  349. public object Head(GetUserImage request)
  350. {
  351. var item = _userManager.GetUserById(request.Id);
  352. return GetImage(request, item, true);
  353. }
  354. public object Get(GetItemByNameImage request)
  355. {
  356. var type = GetPathValue(0);
  357. var item = GetItemByName(request.Name, type, _libraryManager);
  358. return GetImage(request, item, false);
  359. }
  360. public object Head(GetItemByNameImage request)
  361. {
  362. var type = GetPathValue(0);
  363. var item = GetItemByName(request.Name, type, _libraryManager);
  364. return GetImage(request, item, true);
  365. }
  366. /// <summary>
  367. /// Posts the specified request.
  368. /// </summary>
  369. /// <param name="request">The request.</param>
  370. public void Post(PostUserImage request)
  371. {
  372. var userId = GetPathValue(1);
  373. AssertCanUpdateUser(_userManager, userId);
  374. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  375. var item = _userManager.GetUserById(userId);
  376. var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  377. Task.WaitAll(task);
  378. }
  379. /// <summary>
  380. /// Posts the specified request.
  381. /// </summary>
  382. /// <param name="request">The request.</param>
  383. public void Post(PostItemImage request)
  384. {
  385. var id = GetPathValue(1);
  386. request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
  387. var item = _libraryManager.GetItemById(id);
  388. var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType);
  389. Task.WaitAll(task);
  390. }
  391. /// <summary>
  392. /// Deletes the specified request.
  393. /// </summary>
  394. /// <param name="request">The request.</param>
  395. public void Delete(DeleteUserImage request)
  396. {
  397. var userId = request.Id;
  398. AssertCanUpdateUser(_userManager, userId);
  399. var item = _userManager.GetUserById(userId);
  400. var task = item.DeleteImage(request.Type, request.Index ?? 0);
  401. Task.WaitAll(task);
  402. }
  403. /// <summary>
  404. /// Deletes the specified request.
  405. /// </summary>
  406. /// <param name="request">The request.</param>
  407. public void Delete(DeleteItemImage request)
  408. {
  409. var item = _libraryManager.GetItemById(request.Id);
  410. var task = item.DeleteImage(request.Type, request.Index ?? 0);
  411. Task.WaitAll(task);
  412. }
  413. /// <summary>
  414. /// Posts the specified request.
  415. /// </summary>
  416. /// <param name="request">The request.</param>
  417. public void Post(UpdateItemImageIndex request)
  418. {
  419. var item = _libraryManager.GetItemById(request.Id);
  420. var task = UpdateItemIndex(item, request.Type, request.Index, request.NewIndex);
  421. Task.WaitAll(task);
  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 Task UpdateItemIndex(IHasImages item, ImageType type, int currentIndex, int newIndex)
  432. {
  433. return 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 object GetImage(ImageRequest request, IHasImages 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. var imageInfo = GetImageInfo(request, item);
  469. if (imageInfo == null)
  470. {
  471. throw new ResourceNotFoundException(string.Format("{0} does not have an image of type {1}", item.Name, request.Type));
  472. }
  473. var supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.ImageEnhancers.Where(i =>
  474. {
  475. try
  476. {
  477. return i.Supports(item, request.Type);
  478. }
  479. catch (Exception ex)
  480. {
  481. Logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name);
  482. return false;
  483. }
  484. }).ToList() : new List<IImageEnhancer>();
  485. var format = GetOutputFormat(request, imageInfo, supportedImageEnhancers);
  486. var contentType = GetMimeType(format, imageInfo.Path);
  487. var cacheGuid = new Guid(_imageProcessor.GetImageCacheTag(item, imageInfo, supportedImageEnhancers));
  488. TimeSpan? cacheDuration = null;
  489. if (!string.IsNullOrEmpty(request.Tag) && cacheGuid == new Guid(request.Tag))
  490. {
  491. cacheDuration = TimeSpan.FromDays(365);
  492. }
  493. var responseHeaders = new Dictionary<string, string>
  494. {
  495. {"transferMode.dlna.org", "Interactive"},
  496. {"realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*"}
  497. };
  498. return GetImageResult(item,
  499. request,
  500. imageInfo,
  501. format,
  502. supportedImageEnhancers,
  503. contentType,
  504. cacheDuration,
  505. responseHeaders,
  506. isHeadRequest)
  507. .Result;
  508. }
  509. private async Task<object> GetImageResult(IHasImages item,
  510. ImageRequest request,
  511. ItemImageInfo image,
  512. ImageFormat format,
  513. List<IImageEnhancer> enhancers,
  514. string contentType,
  515. TimeSpan? cacheDuration,
  516. IDictionary<string, string> headers,
  517. bool isHeadRequest)
  518. {
  519. var cropwhitespace = request.Type == ImageType.Logo || request.Type == ImageType.Art;
  520. if (request.CropWhitespace.HasValue)
  521. {
  522. cropwhitespace = request.CropWhitespace.Value;
  523. }
  524. var options = new ImageProcessingOptions
  525. {
  526. CropWhiteSpace = cropwhitespace,
  527. Enhancers = enhancers,
  528. Height = request.Height,
  529. ImageIndex = request.Index ?? 0,
  530. Image = image,
  531. Item = item,
  532. MaxHeight = request.MaxHeight,
  533. MaxWidth = request.MaxWidth,
  534. Quality = request.Quality,
  535. Width = request.Width,
  536. AddPlayedIndicator = request.AddPlayedIndicator,
  537. PercentPlayed = request.PercentPlayed ?? 0,
  538. UnplayedCount = request.UnplayedCount,
  539. BackgroundColor = request.BackgroundColor,
  540. OutputFormat = format
  541. };
  542. var file = await _imageProcessor.ProcessImage(options).ConfigureAwait(false);
  543. headers["Vary"] = "Accept";
  544. return ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
  545. {
  546. CacheDuration = cacheDuration,
  547. ResponseHeaders = headers,
  548. ContentType = contentType,
  549. IsHeadRequest = isHeadRequest,
  550. Path = file
  551. });
  552. }
  553. private ImageFormat GetOutputFormat(ImageRequest request, ItemImageInfo image, List<IImageEnhancer> enhancers)
  554. {
  555. if (!string.IsNullOrWhiteSpace(request.Format))
  556. {
  557. ImageFormat format;
  558. if (Enum.TryParse(request.Format, true, out format))
  559. {
  560. return format;
  561. }
  562. }
  563. var serverFormats = _imageProcessor.GetSupportedImageOutputFormats();
  564. if (serverFormats.Contains(ImageFormat.Webp) &&
  565. GetClientSupportedFormats().Contains(ImageFormat.Webp))
  566. {
  567. return ImageFormat.Webp;
  568. }
  569. if (enhancers.Count > 0)
  570. {
  571. return ImageFormat.Png;
  572. }
  573. var extension = Path.GetExtension(image.Path);
  574. if (string.Equals(extension, ".jpg", StringComparison.OrdinalIgnoreCase) ||
  575. string.Equals(extension, ".jpeg", StringComparison.OrdinalIgnoreCase))
  576. {
  577. return ImageFormat.Jpg;
  578. }
  579. // We can't predict if there will be transparency or not, so play it safe
  580. return ImageFormat.Png;
  581. }
  582. private ImageFormat[] GetClientSupportedFormats()
  583. {
  584. var supportsWebP = (Request.AcceptTypes ?? new string[] {}).Contains("image/webp", StringComparer.OrdinalIgnoreCase);
  585. var userAgent = Request.UserAgent ?? string.Empty;
  586. if (userAgent.IndexOf("crosswalk", StringComparison.OrdinalIgnoreCase) != -1 &&
  587. userAgent.IndexOf("android", StringComparison.OrdinalIgnoreCase) != -1)
  588. {
  589. supportsWebP = true;
  590. }
  591. if (supportsWebP)
  592. {
  593. // Not displaying properly on iOS
  594. if (userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) == -1)
  595. {
  596. return new[] { ImageFormat.Webp, ImageFormat.Jpg, ImageFormat.Png };
  597. }
  598. }
  599. return new[] { ImageFormat.Jpg, ImageFormat.Png };
  600. }
  601. private string GetMimeType(ImageFormat format, string path)
  602. {
  603. if (format == ImageFormat.Bmp)
  604. {
  605. return MimeTypes.GetMimeType("i.bmp");
  606. }
  607. if (format == ImageFormat.Gif)
  608. {
  609. return MimeTypes.GetMimeType("i.gif");
  610. }
  611. if (format == ImageFormat.Jpg)
  612. {
  613. return MimeTypes.GetMimeType("i.jpg");
  614. }
  615. if (format == ImageFormat.Png)
  616. {
  617. return MimeTypes.GetMimeType("i.png");
  618. }
  619. if (format == ImageFormat.Webp)
  620. {
  621. return MimeTypes.GetMimeType("i.webp");
  622. }
  623. return MimeTypes.GetMimeType(path);
  624. }
  625. /// <summary>
  626. /// Gets the image path.
  627. /// </summary>
  628. /// <param name="request">The request.</param>
  629. /// <param name="item">The item.</param>
  630. /// <returns>System.String.</returns>
  631. private ItemImageInfo GetImageInfo(ImageRequest request, IHasImages item)
  632. {
  633. var index = request.Index ?? 0;
  634. return item.GetImageInfo(request.Type, index);
  635. }
  636. /// <summary>
  637. /// Posts the image.
  638. /// </summary>
  639. /// <param name="entity">The entity.</param>
  640. /// <param name="inputStream">The input stream.</param>
  641. /// <param name="imageType">Type of the image.</param>
  642. /// <param name="mimeType">Type of the MIME.</param>
  643. /// <returns>Task.</returns>
  644. public async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType)
  645. {
  646. using (var reader = new StreamReader(inputStream))
  647. {
  648. var text = await reader.ReadToEndAsync().ConfigureAwait(false);
  649. var bytes = Convert.FromBase64String(text);
  650. var memoryStream = new MemoryStream(bytes)
  651. {
  652. Position = 0
  653. };
  654. // Handle image/png; charset=utf-8
  655. mimeType = mimeType.Split(';').FirstOrDefault();
  656. await _providerManager.SaveImage(entity, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
  657. await entity.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);
  658. }
  659. }
  660. }
  661. }