605 lines
23 KiB
TypeScript
605 lines
23 KiB
TypeScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Copyright 2019 New Vector Ltd
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { MatrixClient } from "matrix-js-sdk/src/client";
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import { MsgType } from "matrix-js-sdk/src/@types/event";
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import encrypt from "matrix-encrypt-attachment";
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import extractPngChunks from "png-chunks-extract";
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import { IImageInfo } from "matrix-js-sdk/src/@types/partials";
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import { logger } from "matrix-js-sdk/src/logger";
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import { IEventRelation, ISendEventResponse, MatrixEvent, UploadOpts, UploadProgress } from "matrix-js-sdk/src/matrix";
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import { THREAD_RELATION_TYPE } from "matrix-js-sdk/src/models/thread";
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import { removeElement } from "matrix-js-sdk/src/utils";
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import { IEncryptedFile, IMediaEventContent, IMediaEventInfo } from "./customisations/models/IMediaEventContent";
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import dis from './dispatcher/dispatcher';
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import { _t } from './languageHandler';
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import Modal from './Modal';
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import Spinner from "./components/views/elements/Spinner";
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import { Action } from "./dispatcher/actions";
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import {
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UploadCanceledPayload,
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UploadErrorPayload,
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UploadFinishedPayload,
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UploadProgressPayload,
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UploadStartedPayload,
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} from "./dispatcher/payloads/UploadPayload";
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import { RoomUpload } from "./models/RoomUpload";
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import SettingsStore from "./settings/SettingsStore";
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import { decorateStartSendingTime, sendRoundTripMetric } from "./sendTimePerformanceMetrics";
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import { TimelineRenderingType } from "./contexts/RoomContext";
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import { addReplyToMessageContent } from "./utils/Reply";
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import ErrorDialog from "./components/views/dialogs/ErrorDialog";
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import UploadFailureDialog from "./components/views/dialogs/UploadFailureDialog";
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import UploadConfirmDialog from "./components/views/dialogs/UploadConfirmDialog";
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import { createThumbnail } from "./utils/image-media";
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import { attachRelation } from "./components/views/rooms/SendMessageComposer";
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import { doMaybeLocalRoomAction } from "./utils/local-room";
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import { SdkContextClass } from "./contexts/SDKContext";
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// scraped out of a macOS hidpi (5660ppm) screenshot png
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// 5669 px (x-axis) , 5669 px (y-axis) , per metre
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const PHYS_HIDPI = [0x00, 0x00, 0x16, 0x25, 0x00, 0x00, 0x16, 0x25, 0x01];
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export class UploadCanceledError extends Error {}
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interface IMediaConfig {
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"m.upload.size"?: number;
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}
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/**
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* Load a file into a newly created image element.
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*
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* @param {File} imageFile The file to load in an image element.
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* @return {Promise} A promise that resolves with the html image element.
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*/
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async function loadImageElement(imageFile: File) {
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// Load the file into an html element
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const img = new Image();
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const objectUrl = URL.createObjectURL(imageFile);
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const imgPromise = new Promise((resolve, reject) => {
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img.onload = function() {
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URL.revokeObjectURL(objectUrl);
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resolve(img);
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};
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img.onerror = function(e) {
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reject(e);
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};
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});
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img.src = objectUrl;
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// check for hi-dpi PNGs and fudge display resolution as needed.
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// this is mainly needed for macOS screencaps
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let parsePromise: Promise<boolean>;
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if (imageFile.type === "image/png") {
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// in practice macOS happens to order the chunks so they fall in
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// the first 0x1000 bytes (thanks to a massive ICC header).
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// Thus we could slice the file down to only sniff the first 0x1000
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// bytes (but this makes extractPngChunks choke on the corrupt file)
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const headers = imageFile; //.slice(0, 0x1000);
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parsePromise = readFileAsArrayBuffer(headers).then(arrayBuffer => {
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const buffer = new Uint8Array(arrayBuffer);
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const chunks = extractPngChunks(buffer);
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for (const chunk of chunks) {
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if (chunk.name === 'pHYs') {
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if (chunk.data.byteLength !== PHYS_HIDPI.length) return;
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return chunk.data.every((val, i) => val === PHYS_HIDPI[i]);
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}
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}
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return false;
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});
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}
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const [hidpi] = await Promise.all([parsePromise, imgPromise]);
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const width = hidpi ? (img.width >> 1) : img.width;
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const height = hidpi ? (img.height >> 1) : img.height;
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return { width, height, img };
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}
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// Minimum size for image files before we generate a thumbnail for them.
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const IMAGE_SIZE_THRESHOLD_THUMBNAIL = 1 << 15; // 32KB
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// Minimum size improvement for image thumbnails, if both are not met then don't bother uploading thumbnail.
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const IMAGE_THUMBNAIL_MIN_REDUCTION_SIZE = 1 << 16; // 1MB
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const IMAGE_THUMBNAIL_MIN_REDUCTION_PERCENT = 0.1; // 10%
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// We don't apply these thresholds to video thumbnails as a poster image is always useful
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// and videos tend to be much larger.
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// Image mime types for which to always include a thumbnail for even if it is larger than the input for wider support.
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const ALWAYS_INCLUDE_THUMBNAIL = ["image/avif", "image/webp"];
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/**
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* Read the metadata for an image file and create and upload a thumbnail of the image.
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*
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* @param {MatrixClient} matrixClient A matrixClient to upload the thumbnail with.
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* @param {String} roomId The ID of the room the image will be uploaded in.
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* @param {File} imageFile The image to read and thumbnail.
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* @return {Promise} A promise that resolves with the attachment info.
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*/
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async function infoForImageFile(
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matrixClient: MatrixClient,
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roomId: string,
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imageFile: File,
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): Promise<Partial<IMediaEventInfo>> {
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let thumbnailType = "image/png";
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if (imageFile.type === "image/jpeg") {
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thumbnailType = "image/jpeg";
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}
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const imageElement = await loadImageElement(imageFile);
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const result = await createThumbnail(imageElement.img, imageElement.width, imageElement.height, thumbnailType);
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const imageInfo = result.info;
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// For lesser supported image types, always include the thumbnail even if it is larger
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if (!ALWAYS_INCLUDE_THUMBNAIL.includes(imageFile.type)) {
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// we do all sizing checks here because we still rely on thumbnail generation for making a blurhash from.
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const sizeDifference = imageFile.size - imageInfo.thumbnail_info.size;
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if (
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// image is small enough already
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imageFile.size <= IMAGE_SIZE_THRESHOLD_THUMBNAIL ||
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// thumbnail is not sufficiently smaller than original
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(sizeDifference <= IMAGE_THUMBNAIL_MIN_REDUCTION_SIZE &&
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sizeDifference <= (imageFile.size * IMAGE_THUMBNAIL_MIN_REDUCTION_PERCENT))
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) {
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delete imageInfo["thumbnail_info"];
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return imageInfo;
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}
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}
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const uploadResult = await uploadFile(matrixClient, roomId, result.thumbnail);
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imageInfo["thumbnail_url"] = uploadResult.url;
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imageInfo["thumbnail_file"] = uploadResult.file;
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return imageInfo;
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}
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/**
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* Load a file into a newly created video element and pull some strings
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* in an attempt to guarantee the first frame will be showing.
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*
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* @param {File} videoFile The file to load in an video element.
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* @return {Promise} A promise that resolves with the video image element.
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*/
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function loadVideoElement(videoFile: File): Promise<HTMLVideoElement> {
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return new Promise((resolve, reject) => {
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// Load the file into an html element
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const video = document.createElement("video");
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video.preload = "metadata";
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video.playsInline = true;
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video.muted = true;
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const reader = new FileReader();
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reader.onload = function(ev) {
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// Wait until we have enough data to thumbnail the first frame.
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video.onloadeddata = async function() {
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resolve(video);
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video.pause();
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};
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video.onerror = function(e) {
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reject(e);
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};
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let dataUrl = ev.target.result as string;
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// Chrome chokes on quicktime but likes mp4, and `file.type` is
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// read only, so do this horrible hack to unbreak quicktime
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if (dataUrl.startsWith("data:video/quicktime;")) {
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dataUrl = dataUrl.replace("data:video/quicktime;", "data:video/mp4;");
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}
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video.src = dataUrl;
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video.load();
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video.play();
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};
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reader.onerror = function(e) {
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reject(e);
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};
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reader.readAsDataURL(videoFile);
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});
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}
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/**
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* Read the metadata for a video file and create and upload a thumbnail of the video.
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*
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* @param {MatrixClient} matrixClient A matrixClient to upload the thumbnail with.
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* @param {String} roomId The ID of the room the video will be uploaded to.
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* @param {File} videoFile The video to read and thumbnail.
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* @return {Promise} A promise that resolves with the attachment info.
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*/
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function infoForVideoFile(
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matrixClient: MatrixClient,
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roomId: string,
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videoFile: File,
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): Promise<Partial<IMediaEventInfo>> {
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const thumbnailType = "image/jpeg";
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let videoInfo: Partial<IMediaEventInfo>;
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return loadVideoElement(videoFile).then((video) => {
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return createThumbnail(video, video.videoWidth, video.videoHeight, thumbnailType);
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}).then((result) => {
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videoInfo = result.info;
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return uploadFile(matrixClient, roomId, result.thumbnail);
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}).then((result) => {
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videoInfo.thumbnail_url = result.url;
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videoInfo.thumbnail_file = result.file;
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return videoInfo;
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});
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}
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/**
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* Read the file as an ArrayBuffer.
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* @param {File} file The file to read
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* @return {Promise} A promise that resolves with an ArrayBuffer when the file
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* is read.
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*/
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function readFileAsArrayBuffer(file: File | Blob): Promise<ArrayBuffer> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = function(e) {
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resolve(e.target.result as ArrayBuffer);
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};
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reader.onerror = function(e) {
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reject(e);
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};
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reader.readAsArrayBuffer(file);
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});
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}
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/**
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* Upload the file to the content repository.
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* If the room is encrypted then encrypt the file before uploading.
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*
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* @param {MatrixClient} matrixClient The matrix client to upload the file with.
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* @param {String} roomId The ID of the room being uploaded to.
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* @param {File} file The file to upload.
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* @param {Function?} progressHandler optional callback to be called when a chunk of
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* data is uploaded.
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* @param {AbortController?} controller optional abortController to use for this upload.
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* @return {Promise} A promise that resolves with an object.
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* If the file is unencrypted then the object will have a "url" key.
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* If the file is encrypted then the object will have a "file" key.
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*/
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export async function uploadFile(
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matrixClient: MatrixClient,
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roomId: string,
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file: File | Blob,
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progressHandler?: UploadOpts["progressHandler"],
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controller?: AbortController,
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): Promise<{ url?: string, file?: IEncryptedFile }> {
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const abortController = controller ?? new AbortController();
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// If the room is encrypted then encrypt the file before uploading it.
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if (matrixClient.isRoomEncrypted(roomId)) {
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// First read the file into memory.
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const data = await readFileAsArrayBuffer(file);
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if (abortController.signal.aborted) throw new UploadCanceledError();
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// Then encrypt the file.
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const encryptResult = await encrypt.encryptAttachment(data);
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if (abortController.signal.aborted) throw new UploadCanceledError();
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// Pass the encrypted data as a Blob to the uploader.
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const blob = new Blob([encryptResult.data]);
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const { content_uri: url } = await matrixClient.uploadContent(blob, {
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progressHandler,
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abortController,
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includeFilename: false,
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});
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if (abortController.signal.aborted) throw new UploadCanceledError();
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// If the attachment is encrypted then bundle the URL along with the information
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// needed to decrypt the attachment and add it under a file key.
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return {
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file: {
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...encryptResult.info,
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url,
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} as IEncryptedFile,
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};
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} else {
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const { content_uri: url } = await matrixClient.uploadContent(file, { progressHandler, abortController });
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if (abortController.signal.aborted) throw new UploadCanceledError();
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// If the attachment isn't encrypted then include the URL directly.
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return { url };
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}
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}
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export default class ContentMessages {
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private inprogress: RoomUpload[] = [];
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private mediaConfig: IMediaConfig = null;
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public sendStickerContentToRoom(
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url: string,
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roomId: string,
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threadId: string | null,
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info: IImageInfo,
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text: string,
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matrixClient: MatrixClient,
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): Promise<ISendEventResponse> {
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return doMaybeLocalRoomAction(
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roomId,
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(actualRoomId: string) => matrixClient.sendStickerMessage(actualRoomId, threadId, url, info, text),
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matrixClient,
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).catch((e) => {
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logger.warn(`Failed to send content with URL ${url} to room ${roomId}`, e);
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throw e;
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});
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}
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public getUploadLimit(): number | null {
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if (this.mediaConfig !== null && this.mediaConfig["m.upload.size"] !== undefined) {
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return this.mediaConfig["m.upload.size"];
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} else {
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return null;
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}
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}
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public async sendContentListToRoom(
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files: File[],
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roomId: string,
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relation: IEventRelation | undefined,
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matrixClient: MatrixClient,
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context = TimelineRenderingType.Room,
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): Promise<void> {
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if (matrixClient.isGuest()) {
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dis.dispatch({ action: 'require_registration' });
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return;
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}
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const replyToEvent = SdkContextClass.instance.roomViewStore.getQuotingEvent();
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if (!this.mediaConfig) { // hot-path optimization to not flash a spinner if we don't need to
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const modal = Modal.createDialog(Spinner, null, 'mx_Dialog_spinner');
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await this.ensureMediaConfigFetched(matrixClient);
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modal.close();
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}
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const tooBigFiles = [];
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const okFiles = [];
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for (const file of files) {
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if (this.isFileSizeAcceptable(file)) {
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okFiles.push(file);
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} else {
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tooBigFiles.push(file);
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}
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}
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if (tooBigFiles.length > 0) {
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const { finished } = Modal.createDialog<[boolean]>(UploadFailureDialog, {
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badFiles: tooBigFiles,
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totalFiles: files.length,
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contentMessages: this,
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});
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const [shouldContinue] = await finished;
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if (!shouldContinue) return;
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}
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let uploadAll = false;
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// Promise to complete before sending next file into room, used for synchronisation of file-sending
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// to match the order the files were specified in
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let promBefore: Promise<any> = Promise.resolve();
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for (let i = 0; i < okFiles.length; ++i) {
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const file = okFiles[i];
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const loopPromiseBefore = promBefore;
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if (!uploadAll) {
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const { finished } = Modal.createDialog<[boolean, boolean]>(UploadConfirmDialog, {
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file,
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currentIndex: i,
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totalFiles: okFiles.length,
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});
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const [shouldContinue, shouldUploadAll] = await finished;
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if (!shouldContinue) break;
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if (shouldUploadAll) {
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uploadAll = true;
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}
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}
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promBefore = doMaybeLocalRoomAction(
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roomId,
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(actualRoomId) => this.sendContentToRoom(
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file,
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actualRoomId,
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relation,
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matrixClient,
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replyToEvent,
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loopPromiseBefore,
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),
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);
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}
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if (replyToEvent) {
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// Clear event being replied to
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dis.dispatch({
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action: "reply_to_event",
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event: null,
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context,
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});
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}
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// Focus the correct composer
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dis.dispatch({
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action: Action.FocusSendMessageComposer,
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context,
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});
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}
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public getCurrentUploads(relation?: IEventRelation): RoomUpload[] {
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return this.inprogress.filter(roomUpload => {
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const noRelation = !relation && !roomUpload.relation;
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const matchingRelation = relation && roomUpload.relation
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&& relation.rel_type === roomUpload.relation.rel_type
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&& relation.event_id === roomUpload.relation.event_id;
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return (noRelation || matchingRelation) && !roomUpload.cancelled;
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});
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}
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public cancelUpload(upload: RoomUpload): void {
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upload.abort();
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dis.dispatch<UploadCanceledPayload>({ action: Action.UploadCanceled, upload });
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}
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public async sendContentToRoom(
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file: File,
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roomId: string,
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relation: IEventRelation | undefined,
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matrixClient: MatrixClient,
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replyToEvent: MatrixEvent | undefined,
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promBefore?: Promise<any>,
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) {
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const fileName = file.name || _t("Attachment");
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const content: Omit<IMediaEventContent, "info"> & { info: Partial<IMediaEventInfo> } = {
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body: fileName,
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info: {
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size: file.size,
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},
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msgtype: MsgType.File, // set more specifically later
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};
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attachRelation(content, relation);
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if (replyToEvent) {
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addReplyToMessageContent(content, replyToEvent, {
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includeLegacyFallback: false,
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});
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}
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if (SettingsStore.getValue("Performance.addSendMessageTimingMetadata")) {
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decorateStartSendingTime(content);
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}
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// if we have a mime type for the file, add it to the message metadata
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if (file.type) {
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content.info.mimetype = file.type;
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}
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const upload = new RoomUpload(roomId, fileName, relation, file.size);
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this.inprogress.push(upload);
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dis.dispatch<UploadStartedPayload>({ action: Action.UploadStarted, upload });
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function onProgress(progress: UploadProgress) {
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upload.onProgress(progress);
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dis.dispatch<UploadProgressPayload>({ action: Action.UploadProgress, upload });
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}
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try {
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if (file.type.startsWith('image/')) {
|
|
content.msgtype = MsgType.Image;
|
|
try {
|
|
const imageInfo = await infoForImageFile(matrixClient, roomId, file);
|
|
Object.assign(content.info, imageInfo);
|
|
} catch (e) {
|
|
// Failed to thumbnail, fall back to uploading an m.file
|
|
logger.error(e);
|
|
content.msgtype = MsgType.File;
|
|
}
|
|
} else if (file.type.indexOf('audio/') === 0) {
|
|
content.msgtype = MsgType.Audio;
|
|
} else if (file.type.indexOf('video/') === 0) {
|
|
content.msgtype = MsgType.Video;
|
|
try {
|
|
const videoInfo = await infoForVideoFile(matrixClient, roomId, file);
|
|
Object.assign(content.info, videoInfo);
|
|
} catch (e) {
|
|
// Failed to thumbnail, fall back to uploading an m.file
|
|
logger.error(e);
|
|
content.msgtype = MsgType.File;
|
|
}
|
|
} else {
|
|
content.msgtype = MsgType.File;
|
|
}
|
|
|
|
if (upload.cancelled) throw new UploadCanceledError();
|
|
const result = await uploadFile(matrixClient, roomId, file, onProgress, upload.abortController);
|
|
content.file = result.file;
|
|
content.url = result.url;
|
|
|
|
if (upload.cancelled) throw new UploadCanceledError();
|
|
// Await previous message being sent into the room
|
|
if (promBefore) await promBefore;
|
|
|
|
if (upload.cancelled) throw new UploadCanceledError();
|
|
const threadId = relation?.rel_type === THREAD_RELATION_TYPE.name ? relation.event_id : null;
|
|
|
|
const response = await matrixClient.sendMessage(roomId, threadId, content);
|
|
|
|
if (SettingsStore.getValue("Performance.addSendMessageTimingMetadata")) {
|
|
sendRoundTripMetric(matrixClient, roomId, response.event_id);
|
|
}
|
|
|
|
dis.dispatch<UploadFinishedPayload>({ action: Action.UploadFinished, upload });
|
|
dis.dispatch({ action: 'message_sent' });
|
|
} catch (error) {
|
|
// 413: File was too big or upset the server in some way:
|
|
// clear the media size limit so we fetch it again next time we try to upload
|
|
if (error?.httpStatus === 413) {
|
|
this.mediaConfig = null;
|
|
}
|
|
|
|
if (!upload.cancelled) {
|
|
let desc = _t("The file '%(fileName)s' failed to upload.", { fileName: upload.fileName });
|
|
if (error.httpStatus === 413) {
|
|
desc = _t(
|
|
"The file '%(fileName)s' exceeds this homeserver's size limit for uploads",
|
|
{ fileName: upload.fileName },
|
|
);
|
|
}
|
|
Modal.createDialog(ErrorDialog, {
|
|
title: _t('Upload Failed'),
|
|
description: desc,
|
|
});
|
|
dis.dispatch<UploadErrorPayload>({ action: Action.UploadFailed, upload, error });
|
|
}
|
|
} finally {
|
|
removeElement(this.inprogress, e => e.promise === upload.promise);
|
|
}
|
|
}
|
|
|
|
private isFileSizeAcceptable(file: File) {
|
|
if (this.mediaConfig !== null &&
|
|
this.mediaConfig["m.upload.size"] !== undefined &&
|
|
file.size > this.mediaConfig["m.upload.size"]) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private ensureMediaConfigFetched(matrixClient: MatrixClient): Promise<void> {
|
|
if (this.mediaConfig !== null) return;
|
|
|
|
logger.log("[Media Config] Fetching");
|
|
return matrixClient.getMediaConfig().then((config) => {
|
|
logger.log("[Media Config] Fetched config:", config);
|
|
return config;
|
|
}).catch(() => {
|
|
// Media repo can't or won't report limits, so provide an empty object (no limits).
|
|
logger.log("[Media Config] Could not fetch config, so not limiting uploads.");
|
|
return {};
|
|
}).then((config) => {
|
|
this.mediaConfig = config;
|
|
});
|
|
}
|
|
|
|
static sharedInstance() {
|
|
if (window.mxContentMessages === undefined) {
|
|
window.mxContentMessages = new ContentMessages();
|
|
}
|
|
return window.mxContentMessages;
|
|
}
|
|
}
|