[CI > Win] Rewrite downloading in Node

.github/workflows/nightly.yml

@@ -98,9 +98,8 @@ jobs:
     - name: Setup Client
       run: |
         # Download latest client from updater v2 and extract (manifest -> brotli -> tar)
-        wget "$(curl 'https://discord.com/api/updates/distributions/app/manifests/latest?channel=canary&platform=win&arch=x86' | python -c 'import json,sys;print(json.load(sys.stdin)["full"]["url"])')"
-        node -e "fs.writeFileSync('full.tar', zlib.brotliDecompressSync(fs.readFileSync('full.distro')))"
-        tar xf full.tar
+        node scripts/downloadWin.js
+        tar xf client.tar
 
         # Install OpenAsar build and setup environment
         sed -i "s/^\/\/ <TEST_FLAG_WINDOWS>.*$/if \(name == 'discord_rpc'\) { console.log\('ABRA'\); process.exit\(\); }/" app.asar

scripts/downloadWin.js

@@ -0,0 +1,35 @@
+const { get } = require('https');
+const zlib = require('zlib');
+const fs = require('fs');
+
+console.log('getting manifest...');
+
+get('https://discord.com/api/updates/distributions/app/manifests/latest?channel=canary&platform=win&arch=x86', async (res) => {
+  let body = '';
+  res.on('data', (chunk) => {
+    body += chunk.toString();
+  });
+
+  await new Promise((resolve) => res.on('end', resolve)); // Wait to read full body
+
+  const manifest = JSON.parse(body);
+  const downloadUrl = manifest.full.url;
+
+  console.log('downloading full.distro...');
+
+  get(downloadUrl, async (res) => {
+    let body = [];
+    res.on('data', (chunk) => {
+      body.push(chunk);
+    });
+
+    await new Promise((resolve) => res.on('end', resolve)); // Wait to read full body
+
+    console.log('decompressing...');
+
+    body = Buffer.concat(data);
+    body = zlib.brotliDecompressSync(body);
+
+    fs.writeFileSync('client.tar', body);
+  });
+});