36 lines
895 B
TypeScript
36 lines
895 B
TypeScript
// Copyright 2020 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import { AttachmentType, DownloadedAttachmentType } from '../types/Attachment';
|
|
|
|
export async function downloadAttachment(
|
|
attachmentData: AttachmentType
|
|
): Promise<DownloadedAttachmentType | null> {
|
|
let migratedAttachment: AttachmentType;
|
|
|
|
const { id: legacyId } = attachmentData;
|
|
if (legacyId === undefined) {
|
|
migratedAttachment = attachmentData;
|
|
} else {
|
|
migratedAttachment = {
|
|
...attachmentData,
|
|
cdnId: String(legacyId),
|
|
};
|
|
}
|
|
|
|
let downloaded;
|
|
try {
|
|
downloaded = await window.textsecure.messageReceiver.downloadAttachment(
|
|
migratedAttachment
|
|
);
|
|
} catch (error) {
|
|
// Attachments on the server expire after 30 days, then start returning 404
|
|
if (error && error.code === 404) {
|
|
return null;
|
|
}
|
|
|
|
throw error;
|
|
}
|
|
|
|
return downloaded;
|
|
}
|