87 lines
2.2 KiB
TypeScript
87 lines
2.2 KiB
TypeScript
/*
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This file is part of GNU Taler
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(C) 2022 Taler Systems S.A.
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GNU Taler is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* Web worker for crypto operations.
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*/
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/**
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* Imports.
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*/
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import {
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j2s,
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Logger,
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getErrorDetailFromException,
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} from "@gnu-taler/taler-util";
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import { nativeCrypto } from "@gnu-taler/taler-wallet-core";
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const logger = new Logger("browserWorkerEntry.ts");
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const worker: Worker = self as any as Worker;
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async function handleRequest(
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operation: string,
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id: number,
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req: unknown,
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): Promise<void> {
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const impl = nativeCrypto;
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if (!(operation in impl)) {
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console.error(`crypto operation '${operation}' not found`);
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return;
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}
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logger.info(`browser worker crypto request: ${j2s(req)}`);
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let responseMsg: any;
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try {
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const result = await (impl as any)[operation](impl, req);
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responseMsg = { type: "success", result, id };
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} catch (e: any) {
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logger.error(`error during operation: ${e.stack ?? e.toString()}`);
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responseMsg = {
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type: "error",
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id,
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error: getErrorDetailFromException(e),
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};
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}
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worker.postMessage(responseMsg);
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}
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worker.onmessage = (msg: MessageEvent) => {
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const req = msg.data.req;
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if (typeof req !== "object") {
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console.error("request must be an object");
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return;
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}
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const id = msg.data.id;
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if (typeof id !== "number") {
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console.error("RPC id must be number");
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return;
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}
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const operation = msg.data.operation;
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if (typeof operation !== "string") {
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console.error("RPC operation must be string");
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return;
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}
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handleRequest(operation, id, req).catch((e) => {
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console.error("error in browser worker", e);
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});
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};
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