/** * This file is part of Haketilo. * * Function: Expose some special functionalities to injected scripts using * CustomEvent's to communicate with them. * * Copyright (C) 2022 Wojtek Kosior * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * As additional permission under GNU GPL version 3 section 7, you * may distribute forms of that code without the copy of the GNU * GPL normally required by section 4, provided you include this * license notice and, in case of non-source distribution, a URL * through which recipients can access the Corresponding Source. * If you modify file(s) with this exception, you may extend this * exception to your version of the file(s), but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. * * As a special exception to the GPL, any HTML file which merely * makes function calls to this code, and for that purpose * includes it by reference shall be deemed a separate work for * copyright law purposes. If you modify this code, you may extend * this exception to your version of the code, but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * * I, Wojtek Kosior, thereby promise not to sue for violation of this file's * license. Although I request that you do not make use of this code in a * proprietary program, I am not going to enforce this in court. */ #FROM common/browser.js IMPORT browser #FROM common/misc.js IMPORT error_data_jsonifiable async function on_CORS_bypass(event) { const name = "haketilo_CORS_bypass"; if (typeof event.detail !== "object" || event.detail === null || typeof event.detail.id !== "string" || typeof event.detail.data !== "string") { console.error(`Haketilo: Invalid detail for ${name}:`, event.detail); return; } try { const data = JSON.parse(event.detail.data); var result = await browser.runtime.sendMessage(["CORS_bypass", data]); if (result === undefined) throw new Error("Couldn't communicate with Haketilo background script."); } catch(e) { var result = {error: error_data_jsonifiable(e)}; } const response_name = `${name}-${event.detail.id}`; const detail = JSON.stringify(result); window.dispatchEvent(new CustomEvent(response_name, {detail})); } function start() { window.addEventListener("haketilo_CORS_bypass", on_CORS_bypass); } #EXPORT start