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32 lines
926 B
TypeScript
32 lines
926 B
TypeScript
import { ContentMessage } from '../ContentMessage';
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import { SignalService } from '../../../../../protobuf';
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import * as crypto from 'crypto';
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import { Constants } from '../../../..';
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export abstract class SyncMessage extends ContentMessage {
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public ttl(): number {
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return Constants.TTL_DEFAULT.REGULAR_MESSAGE;
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}
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protected contentProto(): SignalService.Content {
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return new SignalService.Content({
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syncMessage: this.syncProto(),
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});
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}
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protected syncProto(): SignalService.SyncMessage {
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const syncMessage = new SignalService.SyncMessage();
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// Generate a random int from 1 and 512
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const buffer = crypto.randomBytes(1);
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// tslint:disable-next-line: no-bitwise
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const paddingLength = (new Uint8Array(buffer)[0] & 0x1ff) + 1;
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// Generate a random padding buffer of the chosen size
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syncMessage.padding = crypto.randomBytes(paddingLength);
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return syncMessage;
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}
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}
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