Vencord/browser/background.js
2022-12-01 19:16:09 +01:00

48 lines
1.7 KiB
JavaScript

/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2022 Linnea Gräf
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
function setContentTypeOnStylesheets(details) {
if (details.type === "stylesheet") {
details.responseHeaders = details.responseHeaders.filter(it => it.name.toLowerCase() !== 'content-type');
details.responseHeaders.push({ name: "Content-Type", value: "text/css" });
}
return { responseHeaders: details.responseHeaders };
}
var cspHeaders = [
"content-security-policy",
"content-security-policy-report-only",
];
function removeCSPHeaders(details) {
return {
responseHeaders: details.responseHeaders.filter(header =>
!cspHeaders.includes(header.name.toLowerCase()))
};
}
browser.webRequest.onHeadersReceived.addListener(
setContentTypeOnStylesheets, { urls: ["https://raw.githubusercontent.com/*"] }, ["blocking", "responseHeaders"]
);
browser.webRequest.onHeadersReceived.addListener(
removeCSPHeaders, { urls: ["https://raw.githubusercontent.com/*", "*://*.discord.com/*"] }, ["blocking", "responseHeaders"]
);