134 lines
3.6 KiB
TypeScript
134 lines
3.6 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import path from 'path';
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import * as log from '../logging/log';
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import type {
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AttachmentDraftType,
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InMemoryAttachmentDraftType,
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} from '../types/Attachment';
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import { getMaximumAttachmentSize } from '../types/Attachment';
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import { AttachmentToastType } from '../types/AttachmentToastType';
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import { fileToBytes } from './fileToBytes';
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import { handleImageAttachment } from './handleImageAttachment';
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import { handleVideoAttachment } from './handleVideoAttachment';
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import { isAttachmentSizeOkay } from './isAttachmentSizeOkay';
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import { isFileDangerous } from './isFileDangerous';
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import { isHeic, isImage, isVideo, stringToMIMEType } from '../types/MIME';
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import { isImageTypeSupported, isVideoTypeSupported } from './GoogleChrome';
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export function getPendingAttachment(
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file: File
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): AttachmentDraftType | undefined {
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if (!file) {
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return;
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}
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const fileType = stringToMIMEType(file.type);
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const { name: fileName } = path.parse(file.name);
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return {
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contentType: fileType,
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fileName,
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size: file.size,
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path: file.name,
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pending: true,
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};
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}
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export function preProcessAttachment(
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file: File,
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draftAttachments: Array<AttachmentDraftType>
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): AttachmentToastType | undefined {
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if (!file) {
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return;
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}
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if (file.size > getMaximumAttachmentSize()) {
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return AttachmentToastType.ToastFileSize;
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}
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if (isFileDangerous(file.name)) {
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return AttachmentToastType.ToastDangerousFileType;
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}
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if (draftAttachments.length >= 32) {
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return AttachmentToastType.ToastMaxAttachments;
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}
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const haveNonImageOrVideo = draftAttachments.some(
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(attachment: AttachmentDraftType) => {
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return (
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!isImage(attachment.contentType) && !isVideo(attachment.contentType)
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);
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}
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);
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// You can't add another attachment if you already have a non-image staged
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if (haveNonImageOrVideo) {
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return AttachmentToastType.ToastUnsupportedMultiAttachment;
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}
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const fileType = stringToMIMEType(file.type);
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const imageOrVideo = isImage(fileType) || isVideo(fileType);
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// You can't add a non-image attachment if you already have attachments staged
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if (!imageOrVideo && draftAttachments.length > 0) {
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return AttachmentToastType.ToastCannotMixMultiAndNonMultiAttachments;
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}
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return undefined;
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}
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export async function processAttachment(
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file: File
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): Promise<InMemoryAttachmentDraftType | void> {
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const fileType = stringToMIMEType(file.type);
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let attachment: InMemoryAttachmentDraftType;
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try {
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if (isImageTypeSupported(fileType) || isHeic(fileType, file.name)) {
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attachment = await handleImageAttachment(file);
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} else if (isVideoTypeSupported(fileType)) {
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attachment = await handleVideoAttachment(file);
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} else {
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const data = await fileToBytes(file);
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attachment = {
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contentType: fileType,
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data,
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fileName: file.name,
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path: file.name,
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pending: false,
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size: data.byteLength,
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};
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}
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} catch (e) {
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log.error(
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`Was unable to generate thumbnail for fileType ${fileType}`,
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e && e.stack ? e.stack : e
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);
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const data = await fileToBytes(file);
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attachment = {
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contentType: fileType,
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data,
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fileName: file.name,
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path: file.name,
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pending: false,
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size: data.byteLength,
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};
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}
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try {
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if (isAttachmentSizeOkay(attachment)) {
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return attachment;
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}
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} catch (error) {
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log.error(
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'Error ensuring that image is properly sized:',
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error && error.stack ? error.stack : error
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);
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throw error;
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}
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}
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