You cannot select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
	
	
		
			31 lines
		
	
	
		
			868 B
		
	
	
	
		
			TypeScript
		
	
			
		
		
	
	
			31 lines
		
	
	
		
			868 B
		
	
	
	
		
			TypeScript
		
	
import { ContentMessage } from '../ContentMessage';
 | 
						|
import { SignalService } from '../../../../../protobuf';
 | 
						|
import * as crypto from 'crypto';
 | 
						|
 | 
						|
export abstract class SyncMessage extends ContentMessage {
 | 
						|
  public ttl(): number {
 | 
						|
    return this.getDefaultTTL();
 | 
						|
  }
 | 
						|
 | 
						|
  protected contentProto(): SignalService.Content {
 | 
						|
    return new SignalService.Content({
 | 
						|
      syncMessage: this.syncProto(),
 | 
						|
    });
 | 
						|
  }
 | 
						|
 | 
						|
  protected syncProto(): SignalService.SyncMessage {
 | 
						|
    const syncMessage = new SignalService.SyncMessage();
 | 
						|
 | 
						|
    // Generate a random int from 1 and 512
 | 
						|
    const buffer = crypto.randomBytes(1);
 | 
						|
 | 
						|
    // tslint:disable-next-line: no-bitwise
 | 
						|
    const paddingLength = (new Uint8Array(buffer)[0] & 0x1ff) + 1;
 | 
						|
 | 
						|
    // Generate a random padding buffer of the chosen size
 | 
						|
    syncMessage.padding = crypto.randomBytes(paddingLength);
 | 
						|
 | 
						|
    return syncMessage;
 | 
						|
  }
 | 
						|
}
 |