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/*
* 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 { VENCORD_USER_AGENT } from "@utils/constants";
import IpcEvents from "@utils/IpcEvents";
import { ipcMain } from "electron";
import { writeFile } from "fs/promises";
import { join } from "path";
import gitHash from "~git-hash";
import gitRemote from "~git-remote";
import { get } from "../simpleGet";
import { calculateHashes, serializeErrors } from "./common";
const API_BASE = `https://api.github.com/repos/${gitRemote}`;
let PendingUpdates = [] as [string, string][];
async function githubGet(endpoint: string) {
return get(API_BASE + endpoint, {
headers: {
Accept: "application/vnd.github+json",
// "All API requests MUST include a valid User-Agent header.
// Requests with no User-Agent header will be rejected."
"User-Agent": VENCORD_USER_AGENT,
// todo: perhaps add support for (optional) api token?
// unauthorised rate limit is 60 reqs/h
// https://github.com/settings/tokens/new?description=Vencord%20Updater
}
});
}
async function calculateGitChanges() {
const isOutdated = await fetchUpdates();
if (!isOutdated) return [];
const res = await githubGet(`/compare/${gitHash}...HEAD`);
const data = JSON.parse(res.toString("utf-8"));
return data.commits.map(c => ({
// github api only sends the long sha
hash: c.sha.slice(0, 7),
author: c.author.login,
message: c.commit.message
}));
}
async function fetchUpdates() {
const release = await githubGet("/releases/latest");
const data = JSON.parse(release.toString());
const hash = data.name.slice(data.name.lastIndexOf(" ") + 1);
if (hash === gitHash)
return false;
data.assets.forEach(({ name, browser_download_url }) => {
if (["patcher.js", "preload.js", "renderer.js"].some(s => name.startsWith(s))) {
PendingUpdates.push([name, browser_download_url]);
}
});
return true;
}
async function applyUpdates() {
await Promise.all(PendingUpdates.map(
async ([name, data]) => writeFile(join(__dirname, name), await get(data)))
);
PendingUpdates = [];
return true;
}
ipcMain.handle(IpcEvents.GET_HASHES, serializeErrors(calculateHashes));
ipcMain.handle(IpcEvents.GET_REPO, serializeErrors(() => `https://github.com/${gitRemote}`));
ipcMain.handle(IpcEvents.GET_UPDATES, serializeErrors(calculateGitChanges));
ipcMain.handle(IpcEvents.UPDATE, serializeErrors(fetchUpdates));
ipcMain.handle(IpcEvents.BUILD, serializeErrors(applyUpdates));
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