signal-desktop/ts/main/challengeMain.ts
2022-12-21 10:41:48 -08:00

61 lines
1.6 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { IpcMainEvent } from 'electron';
import { ipcMain as ipc } from 'electron';
import * as log from '../logging/log';
import type { IPCRequest, IPCResponse, ChallengeResponse } from '../challenge';
export class ChallengeMainHandler {
private handlers: Array<(response: ChallengeResponse) => void> = [];
constructor() {
this.initialize();
}
public handleCaptcha(captcha: string): void {
const response: ChallengeResponse = { captcha };
const { handlers } = this;
this.handlers = [];
log.info(
'challengeMain.handleCaptcha: sending captcha response to ' +
`${handlers.length} handlers`,
response
);
for (const resolve of handlers) {
resolve(response);
}
}
private async onRequest(
event: IpcMainEvent,
request: IPCRequest
): Promise<void> {
const logId = `challengeMain.onRequest(${request.reason})`;
log.info(`${logId}: received challenge request, waiting for response`);
const start = Date.now();
const data = await new Promise<ChallengeResponse>(resolve => {
this.handlers.push(resolve);
});
const duration = Date.now() - start;
log.info(`${logId}: got response after ${duration}ms`);
const ipcResponse: IPCResponse = {
seq: request.seq,
data,
};
event.sender.send('challenge:response', ipcResponse);
}
private initialize(): void {
ipc.on('challenge:request', (event, request) => {
void this.onRequest(event, request);
});
}
}