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Add proper user-friendly theme manager (#635)

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Co-authored-by: Justice Almanzar <superdash993@gmail.com>
Co-authored-by: Nuckyz <61953774+Nuckyz@users.noreply.github.com>
Co-authored-by: V <vendicated@riseup.net>
This commit is contained in:
megumin 2023-08-04 18:52:20 +01:00 • committed by GitHub
parent bb7deeb09c
commit d6c43986fd
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 814 additions and 131 deletions
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16
src/main/index.ts
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@ -19,8 +19,8 @@
import { app, protocol, session } from "electron";
import { join } from "path";
import { getSettings } from "./ipcMain";
import { IS_VANILLA } from "./utils/constants";
import { ensureSafePath, getSettings } from "./ipcMain";
import { IS_VANILLA, THEMES_DIR } from "./utils/constants";
import { installExt } from "./utils/extensions";
if (IS_VENCORD_DESKTOP || !IS_VANILLA) {
@ -30,6 +30,16 @@ if (IS_VENCORD_DESKTOP || !IS_VANILLA) {
protocol.registerFileProtocol("vencord", ({ url: unsafeUrl }, cb) => {
let url = unsafeUrl.slice("vencord://".length);
if (url.endsWith("/")) url = url.slice(0, -1);
if (url.startsWith("/themes/")) {
const theme = url.slice("/themes/".length);
const safeUrl = ensureSafePath(THEMES_DIR, theme);
if (!safeUrl) {
cb({ statusCode: 403 });
return;
}
cb(safeUrl.replace(/\?v=\d+$/, ""));
return;
}
switch (url) {
case "renderer.js.map":
case "vencordDesktopRenderer.js.map":
@ -75,7 +85,7 @@ if (IS_VENCORD_DESKTOP || !IS_VANILLA) {
const csp = parsePolicy(headers[header][0]);
for (const directive of ["style-src", "connect-src", "img-src", "font-src", "media-src", "worker-src"]) {
csp[directive] = ["*", "blob:", "data:", "'unsafe-inline'"];
csp[directive] = ["*", "blob:", "data:", "vencord:", "'unsafe-inline'"];
}
// TODO: Restrict this to only imported packages with fixed version.
// Perhaps auto generate with esbuild

45
src/main/ipcMain.ts
View file

@ -24,19 +24,50 @@ import { IpcEvents } from "@utils/IpcEvents";
import { Queue } from "@utils/Queue";
import { BrowserWindow, ipcMain, shell } from "electron";
import { mkdirSync, readFileSync, watch } from "fs";
import { open, readFile, writeFile } from "fs/promises";
import { join } from "path";
import { open, readdir, readFile, writeFile } from "fs/promises";
import { join, normalize } from "path";
import monacoHtml from "~fileContent/../components/monacoWin.html;base64";
import { ALLOWED_PROTOCOLS, QUICKCSS_PATH, SETTINGS_DIR, SETTINGS_FILE } from "./utils/constants";
import { getThemeInfo, stripBOM, UserThemeHeader } from "./themes";
import { ALLOWED_PROTOCOLS, QUICKCSS_PATH, SETTINGS_DIR, SETTINGS_FILE, THEMES_DIR } from "./utils/constants";
mkdirSync(SETTINGS_DIR, { recursive: true });
mkdirSync(THEMES_DIR, { recursive: true });
export function ensureSafePath(basePath: string, path: string) {
const normalizedBasePath = normalize(basePath);
const newPath = join(basePath, path);
const normalizedPath = normalize(newPath);
return normalizedPath.startsWith(normalizedBasePath) ? normalizedPath : null;
}
function readCss() {
return readFile(QUICKCSS_PATH, "utf-8").catch(() => "");
}
async function listThemes(): Promise<UserThemeHeader[]> {
const files = await readdir(THEMES_DIR).catch(() => []);
const themeInfo: UserThemeHeader[] = [];
for (const fileName of files) {
const data = await getThemeData(fileName).then(stripBOM).catch(() => null);
if (!data) continue;
const parsed = getThemeInfo(data, fileName);
themeInfo.push(parsed);
}
return themeInfo;
}
function getThemeData(fileName: string) {
fileName = fileName.replace(/\?v=\d+$/, "");
const safePath = ensureSafePath(THEMES_DIR, fileName);
if (!safePath) return Promise.reject(`Unsafe path ${fileName}`);
return readFile(safePath, "utf-8");
}
export function readSettings() {
try {
return readFileSync(SETTINGS_FILE, "utf-8");
@ -75,6 +106,10 @@ ipcMain.handle(IpcEvents.SET_QUICK_CSS, (_, css) =>
cssWriteQueue.push(() => writeFile(QUICKCSS_PATH, css))
);
ipcMain.handle(IpcEvents.GET_THEMES_DIR, () => THEMES_DIR);
ipcMain.handle(IpcEvents.GET_THEMES_LIST, () => listThemes());
ipcMain.handle(IpcEvents.GET_THEME_DATA, (_, fileName) => getThemeData(fileName));
ipcMain.handle(IpcEvents.GET_SETTINGS_DIR, () => SETTINGS_DIR);
ipcMain.on(IpcEvents.GET_SETTINGS, e => e.returnValue = readSettings());
@ -90,6 +125,10 @@ export function initIpc(mainWindow: BrowserWindow) {
mainWindow.webContents.postMessage(IpcEvents.QUICK_CSS_UPDATE, await readCss());
}, 50));
});
watch(THEMES_DIR, { persistent: false }, debounce(() => {
mainWindow.webContents.postMessage(IpcEvents.THEME_UPDATE, void 0);
}));
}
ipcMain.handle(IpcEvents.OPEN_MONACO_EDITOR, async () => {

177
src/main/themes/LICENSE Normal file
View file

@ -0,0 +1,177 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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"License" shall mean the terms and conditions for use, reproduction,
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"You" (or "Your") shall mean an individual or Legal Entity
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81
src/main/themes/index.ts Normal file
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@ -0,0 +1,81 @@
/* eslint-disable header/header */
/*!
* BetterDiscord addon meta parser
* Copyright 2023 BetterDiscord contributors
* Copyright 2023 Vendicated and Vencord contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const splitRegex = /[^\S\r\n]*?\r?(?:\r\n|\n)[^\S\r\n]*?\*[^\S\r\n]?/;
const escapedAtRegex = /^\\@/;
export interface UserThemeHeader {
fileName: string;
name: string;
author: string;
description: string;
version?: string;
license?: string;
source?: string;
website?: string;
invite?: string;
}
function makeHeader(fileName: string, opts: Partial<UserThemeHeader> = {}): UserThemeHeader {
return {
fileName,
name: opts.name ?? fileName.replace(/\.css$/i, ""),
author: opts.author ?? "Unknown Author",
description: opts.description ?? "A Discord Theme.",
version: opts.version,
license: opts.license,
source: opts.source,
website: opts.website,
invite: opts.invite
};
}
export function stripBOM(fileContent: string) {
if (fileContent.charCodeAt(0) === 0xFEFF) {
fileContent = fileContent.slice(1);
}
return fileContent;
}
export function getThemeInfo(css: string, fileName: string): UserThemeHeader {
if (!css) return makeHeader(fileName);
const block = css.split("/**", 2)?.[1]?.split("*/", 1)?.[0];
if (!block) return makeHeader(fileName);
const header: Partial<UserThemeHeader> = {};
let field = "";
let accum = "";
for (const line of block.split(splitRegex)) {
if (line.length === 0) continue;
if (line.charAt(0) === "@" && line.charAt(1) !== " ") {
header[field] = accum.trim();
const l = line.indexOf(" ");
field = line.substring(1, l);
accum = line.substring(l + 1);
}
else {
accum += " " + line.replace("\\n", "\n").replace(escapedAtRegex, "@");
}
}
header[field] = accum.trim();
delete header[""];
return makeHeader(fileName, header);
}

1
src/main/utils/constants.ts
View file

@ -25,6 +25,7 @@ export const DATA_DIR = process.env.VENCORD_USER_DATA_DIR ?? (
: join(app.getPath("userData"), "..", "Vencord")
);
export const SETTINGS_DIR = join(DATA_DIR, "settings");
export const THEMES_DIR = join(DATA_DIR, "themes");
export const QUICKCSS_PATH = join(SETTINGS_DIR, "quickCss.css");
export const SETTINGS_FILE = join(SETTINGS_DIR, "settings.json");
export const ALLOWED_PROTOCOLS = [