22 lines
522 B
TypeScript
22 lines
522 B
TypeScript
|
// Copyright 2023 Signal Messenger, LLC
|
||
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
||
|
|
|
||
|
|
import { unicodeSlice } from './unicodeSlice';
|
||
|
|
|
||
|
|
const LONG_ATTACHMENT_LIMIT = 2048;
|
||
|
|
|
||
|
|
export function isBodyTooLong(body: string): boolean {
|
||
|
|
return Buffer.byteLength(body) > LONG_ATTACHMENT_LIMIT;
|
||
|
|
}
|
||
|
|
|
||
|
|
export function trimBody(body: string, length = LONG_ATTACHMENT_LIMIT): string {
|
||
|
|
const sliced = unicodeSlice(body, 0, length);
|
||
|
|
|
||
|
|
if (sliced.length > 0) {
|
||
|
|
return sliced;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Failover, for degenerate cases
|
||
|
|
return '\uFFFE';
|
||
|
|
}
|