Vencord/src/plugins/anonymiseFileNames.ts

95 lines
3.4 KiB
TypeScript

/*
* Vencord, a modification for Discord's desktop app
* Copyright (c) 2022 Vendicated and contributors
*
* 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/>.
*/
import { Settings } from "@api/Settings";
import { Devs } from "@utils/constants";
import definePlugin, { OptionType } from "@utils/types";
const enum Methods {
Random,
Consistent,
Timestamp,
}
const tarExtMatcher = /\.tar\.\w+$/;
export default definePlugin({
name: "AnonymiseFileNames",
authors: [Devs.obscurity],
description: "Anonymise uploaded file names",
patches: [
{
find: "instantBatchUpload:function",
replacement: {
match: /uploadFiles:(.{1,2}),/,
replace:
"uploadFiles:(...args)=>(args[0].uploads.forEach(f=>f.filename=$self.anonymise(f.filename)),$1(...args)),",
},
},
],
options: {
method: {
description: "Anonymising method",
type: OptionType.SELECT,
options: [
{ label: "Random Characters", value: Methods.Random, default: true },
{ label: "Consistent", value: Methods.Consistent },
{ label: "Timestamp (4chan-like)", value: Methods.Timestamp },
],
},
randomisedLength: {
description: "Random characters length",
type: OptionType.NUMBER,
default: 7,
disabled: () => Settings.plugins.AnonymiseFileNames.method !== Methods.Random,
},
consistent: {
description: "Consistent filename",
type: OptionType.STRING,
default: "image",
disabled: () => Settings.plugins.AnonymiseFileNames.method !== Methods.Consistent,
},
},
anonymise(file: string) {
let name = "image";
const tarMatch = tarExtMatcher.exec(file);
const extIdx = tarMatch?.index ?? file.lastIndexOf(".");
const ext = extIdx !== -1 ? file.slice(extIdx) : "";
switch (Settings.plugins.AnonymiseFileNames.method) {
case Methods.Random:
const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
name = Array.from(
{ length: Settings.plugins.AnonymiseFileNames.randomisedLength },
() => chars[Math.floor(Math.random() * chars.length)]
).join("");
break;
case Methods.Consistent:
name = Settings.plugins.AnonymiseFileNames.consistent;
break;
case Methods.Timestamp:
// UNIX timestamp in nanos, i could not find a better dependency-less way
name = `${Math.floor(Date.now() / 1000)}${Math.floor(window.performance.now())}`;
break;
}
return name + ext;
},
});