42 lines
1.1 KiB
TypeScript
42 lines
1.1 KiB
TypeScript
// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type {
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AttachmentWithHydratedData,
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UploadedAttachmentType,
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} from '../types/Attachment';
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import { MIMETypeToString } from '../types/MIME';
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import { padAndEncryptAttachment, getRandomBytes } from '../Crypto';
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import { strictAssert } from './assert';
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export async function uploadAttachment(
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attachment: AttachmentWithHydratedData
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): Promise<UploadedAttachmentType> {
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const keys = getRandomBytes(64);
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const encrypted = padAndEncryptAttachment({
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plaintext: attachment.data,
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keys,
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});
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const { server } = window.textsecure;
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strictAssert(server, 'WebAPI must be initialized');
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const cdnKey = await server.putEncryptedAttachment(encrypted.ciphertext);
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const size = attachment.data.byteLength;
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return {
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cdnKey,
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cdnNumber: 2,
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key: keys,
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size,
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digest: encrypted.digest,
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contentType: MIMETypeToString(attachment.contentType),
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fileName: attachment.fileName,
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flags: attachment.flags,
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width: attachment.width,
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height: attachment.height,
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caption: attachment.caption,
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blurHash: attachment.blurHash,
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};
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}
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