Telegram Web K with changes to work inside I2P
https://web.telegram.i2p/
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316 lines
11 KiB
316 lines
11 KiB
import appUsersManager from "./appUsersManager"; |
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import { calcImageInBox, isObject, getFileURL } from "../utils"; |
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import { bytesFromHex, getFileNameByLocation } from "../bin_utils"; |
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//import apiManager from '../mtproto/apiManager'; |
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import apiManager from '../mtproto/mtprotoworker'; |
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import { MTPhotoSize, inputPhotoFileLocation, inputDocumentFileLocation, FileLocation } from "../../types"; |
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import appDownloadManager from "./appDownloadManager"; |
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export type MTPhoto = { |
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_: 'photo' | 'photoEmpty' | string, |
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pFlags: any, |
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flags: number, |
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id: string, |
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access_hash: string, |
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file_reference: Uint8Array, |
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date: number, |
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sizes: Array<MTPhotoSize>, |
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dc_id: number, |
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user_id: number, |
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downloaded?: boolean | number, |
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url?: string |
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}; |
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export class AppPhotosManager { |
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private photos: { |
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[id: string]: MTPhoto |
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} = {}; |
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private documentThumbsCache: { |
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[docID: string]: { |
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downloaded: number, |
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url: string |
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} |
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} = {}; |
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public windowW = 0; |
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public windowH = 0; |
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public static jf = new Uint8Array(bytesFromHex('ffd8ffe000104a46494600010100000100010000ffdb004300281c1e231e19282321232d2b28303c64413c37373c7b585d4964918099968f808c8aa0b4e6c3a0aadaad8a8cc8ffcbdaeef5ffffff9bc1fffffffaffe6fdfff8ffdb0043012b2d2d3c353c76414176f8a58ca5f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8f8ffc00011080000000003012200021101031101ffc4001f0000010501010101010100000000000000000102030405060708090a0bffc400b5100002010303020403050504040000017d01020300041105122131410613516107227114328191a1082342b1c11552d1f02433627282090a161718191a25262728292a3435363738393a434445464748494a535455565758595a636465666768696a737475767778797a838485868788898a92939495969798999aa2a3a4a5a6a7a8a9aab2b3b4b5b6b7b8b9bac2c3c4c5c6c7c8c9cad2d3d4d5d6d7d8d9dae1e2e3e4e5e6e7e8e9eaf1f2f3f4f5f6f7f8f9faffc4001f0100030101010101010101010000000000000102030405060708090a0bffc400b51100020102040403040705040400010277000102031104052131061241510761711322328108144291a1b1c109233352f0156272d10a162434e125f11718191a262728292a35363738393a434445464748494a535455565758595a636465666768696a737475767778797a82838485868788898a92939495969798999aa2a3a4a5a6a7a8a9aab2b3b4b5b6b7b8b9bac2c3c4c5c6c7c8c9cad2d3d4d5d6d7d8d9dae2e3e4e5e6e7e8e9eaf2f3f4f5f6f7f8f9faffda000c03010002110311003f00')); |
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public static Df = bytesFromHex('ffd9'); |
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constructor() { |
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window.addEventListener('resize', (e) => { |
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this.windowW = document.body.scrollWidth; |
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this.windowH = document.body.scrollHeight; |
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}); |
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this.windowW = document.body.scrollWidth; |
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this.windowH = document.body.scrollHeight; |
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} |
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public savePhoto(photo: MTPhoto, context?: any) { |
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if(this.photos[photo.id]) return Object.assign(this.photos[photo.id], photo); |
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/* if(context) { |
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Object.assign(photo, context); |
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} */ // warning |
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if(!photo.id) { |
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console.warn('no apiPhoto.id', photo); |
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} else this.photos[photo.id] = photo as any; |
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return photo; |
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} |
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public choosePhotoSize(photo: any, width = 0, height = 0) { |
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//if(Config.Navigator.retina) { |
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if(window.devicePixelRatio > 1) { |
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width *= 2; |
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height *= 2; |
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} |
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/* |
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s box 100x100 |
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m box 320x320 |
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x box 800x800 |
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y box 1280x1280 |
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w box 2560x2560 |
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a crop 160x160 |
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b crop 320x320 |
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c crop 640x640 |
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d crop 1280x1280 */ |
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let bestPhotoSize: MTPhotoSize = {_: 'photoSizeEmpty'}; |
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let sizes = (photo.sizes || photo.thumbs) as typeof bestPhotoSize[]; |
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if(sizes) { |
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for(let photoSize of sizes) { |
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if(!photoSize.w || !photoSize.h) continue; |
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bestPhotoSize = photoSize; |
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let {w, h} = calcImageInBox(photoSize.w, photoSize.h, width, height); |
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if(w == width || h == height) { |
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break; |
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} |
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} |
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} |
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return bestPhotoSize; |
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} |
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public getUserPhotos(userID: number, maxID: number, limit: number) { |
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var inputUser = appUsersManager.getUserInput(userID); |
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return apiManager.invokeApi('photos.getUserPhotos', { |
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user_id: inputUser, |
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offset: 0, |
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limit: limit || 20, |
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max_id: maxID || 0 |
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}).then((photosResult: any) => { |
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appUsersManager.saveApiUsers(photosResult.users); |
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var photoIDs = []; |
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var context = {user_id: userID}; |
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for(var i = 0; i < photosResult.photos.length; i++) { |
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//this.savePhoto(photosResult.photos[i], context); |
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photosResult.photos[i] = this.savePhoto(photosResult.photos[i], context); |
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photoIDs.push(photosResult.photos[i].id); |
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} |
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return { |
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count: photosResult.count || photosResult.photos.length, |
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photos: photoIDs |
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}; |
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}); |
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} |
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public getPreviewURLFromBytes(bytes: Uint8Array | number[], isSticker = false) { |
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let arr: Uint8Array; |
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if(!isSticker) { |
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arr = AppPhotosManager.jf.concat(bytes.slice(3), AppPhotosManager.Df); |
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arr[164] = bytes[1]; |
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arr[166] = bytes[2]; |
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} else { |
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arr = bytes instanceof Uint8Array ? bytes : new Uint8Array(bytes); |
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} |
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//console.log('getPreviewURLFromBytes', bytes, arr, div, isSticker); |
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/* let reader = new FileReader(); |
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reader.onloadend = () => { |
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let src = reader.result; |
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}; |
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reader.readAsDataURL(blob); */ |
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let blob = new Blob([arr], {type: "image/jpeg"}); |
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return URL.createObjectURL(blob); |
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} |
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public getPreviewURLFromThumb(thumb: any, isSticker = false) { |
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return thumb.url ?? (thumb.url = this.getPreviewURLFromBytes(thumb.bytes, isSticker)); |
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} |
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public setAttachmentPreview(bytes: Uint8Array | number[], element: HTMLElement | SVGForeignObjectElement, isSticker = false, background = false) { |
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let url = this.getPreviewURLFromBytes(bytes, isSticker); |
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if(background) { |
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let img = new Image(); |
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img.src = url; |
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img.addEventListener('load', () => { |
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element.style.backgroundImage = 'url(' + url + ')'; |
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}); |
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return element; |
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} else { |
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if(element instanceof HTMLImageElement) { |
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element.src = url; |
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return element; |
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} else { |
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let img = new Image(); |
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img.src = url; |
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element.append(img); |
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return img; |
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} |
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} |
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} |
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public setAttachmentSize(photoID: any, element: HTMLElement | SVGForeignObjectElement, boxWidth: number, boxHeight: number, isSticker = false) { |
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let photo: /* MTDocument | MTPhoto */any = null; |
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if(typeof(photoID) === 'string') { |
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photo = this.photos[photoID]; |
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if(!photo) return {_: 'photoEmpty'}; |
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} else { |
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photo = photoID; |
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} |
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let photoSize = this.choosePhotoSize(photo, boxWidth, boxHeight); |
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//console.log('setAttachmentSize', photo, photo.sizes[0].bytes, div); |
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let sizes = photo.sizes || photo.thumbs; |
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if(!photo.downloaded && !isSticker && sizes && sizes[0].bytes) { |
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this.setAttachmentPreview(sizes[0].bytes, element, isSticker); |
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} |
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let width: number; |
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let height: number; |
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if(photo._ == 'document') { |
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width = photo.w || 512; |
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height = photo.h || 512; |
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} else { |
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width = photoSize.w || 100; |
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height = photoSize.h || 100; |
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} |
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let {w, h} = calcImageInBox(width, height, boxWidth, boxHeight); |
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if(element instanceof SVGForeignObjectElement) { |
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element.setAttributeNS(null, 'width', '' + w); |
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element.setAttributeNS(null, 'height', '' + h); |
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//console.log('set dimensions to svg element:', element, w, h); |
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} else { |
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element.style.width = w + 'px'; |
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element.style.height = h + 'px'; |
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} |
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return photoSize; |
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} |
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public preloadPhoto(photoID: any, photoSize?: MTPhotoSize): Promise<Blob | void> { |
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const photo = this.getPhoto(photoID); |
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if(!photoSize) { |
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const fullWidth = this.windowW; |
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const fullHeight = this.windowH; |
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photoSize = this.choosePhotoSize(photo, fullWidth, fullHeight); |
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} |
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const isDocument = photo._ == 'document'; |
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const cacheContext = isDocument ? (this.documentThumbsCache[photo.id] ?? (this.documentThumbsCache[photo.id] = {downloaded: -1, url: ''})) : photo; |
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if(cacheContext.downloaded >= photoSize.size && cacheContext.url) { |
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return Promise.resolve(); |
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} |
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if(!photoSize || photoSize._ == 'photoSizeEmpty') { |
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//console.error('no photoSize by photo:', photo); |
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return Promise.reject('no photoSize'); |
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} |
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// maybe it's a thumb |
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let isPhoto = photoSize.size && photo.access_hash && photo.file_reference; |
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let location: inputPhotoFileLocation | inputDocumentFileLocation | FileLocation = isPhoto ? { |
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_: isDocument ? 'inputDocumentFileLocation' : 'inputPhotoFileLocation', |
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id: photo.id, |
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access_hash: photo.access_hash, |
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file_reference: photo.file_reference, |
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thumb_size: photoSize.type |
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} : photoSize.location; |
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const url = getFileURL('photo', {dcID: photo.dc_id, location, size: isPhoto ? photoSize.size : undefined}); |
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let promise: Promise<Blob>; |
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if(isPhoto/* && photoSize.size >= 1e6 */) { |
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promise = fetch(url).then(res => res.blob()); |
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} else { |
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//console.log('Photos downloadSmallFile exec', photo, location); |
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promise = fetch(url).then(res => res.blob()); |
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} |
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promise.then(blob => { |
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if(!cacheContext.downloaded || cacheContext.downloaded < blob.size) { |
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cacheContext.downloaded = blob.size; |
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//cacheContext.url = URL.createObjectURL(blob); |
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cacheContext.url = url; |
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//console.log('wrote photo:', photo, photoSize, cacheContext, blob); |
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} |
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}); |
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return promise; |
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} |
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public getDocumentCachedThumb(docID: string) { |
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return this.documentThumbsCache[docID]; |
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} |
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public getPhoto(photoID: any): MTPhoto { |
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return isObject(photoID) ? photoID : this.photos[photoID]; |
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} |
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public getInputByID(photoID: any) { |
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let photo = this.getPhoto(photoID); |
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return { |
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_: 'inputMediaPhoto', |
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flags: 0, |
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id: { |
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_: 'inputPhoto', |
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id: photo.id, |
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access_hash: photo.access_hash, |
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file_reference: photo.file_reference |
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}, |
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ttl_seconds: 0 |
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}; |
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} |
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public downloadPhoto(photoID: string) { |
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const photo = this.photos[photoID]; |
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const fullWidth = this.windowW; |
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const fullHeight = this.windowH; |
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const fullPhotoSize = this.choosePhotoSize(photo, fullWidth, fullHeight); |
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const location: inputDocumentFileLocation | inputPhotoFileLocation = { |
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_: photo._ == 'document' ? 'inputDocumentFileLocation' : 'inputPhotoFileLocation', |
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id: photo.id, |
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access_hash: photo.access_hash, |
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file_reference: photo.file_reference, |
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thumb_size: fullPhotoSize.type |
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}; |
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const url = getFileURL('download', {dcID: photo.dc_id, location, size: fullPhotoSize.size, fileName: 'photo' + photo.id + '.jpg'}); |
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const fileName = getFileNameByLocation(location); |
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appDownloadManager.downloadToDisc(fileName, url); |
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} |
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} |
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export default new AppPhotosManager();
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