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v2.3.7: add non-Cloudflare mirror fallback for blocked regions

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Users in Russia/Ukraine where Cloudflare IPs are blocked can now
download game files via htdwnldsan.top (direct VPS → MEGA redirect).
Both manifest fetch and archive downloads try mirrors automatically
on ETIMEDOUT/ECONNREFUSED errors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
sanasol
2026-02-21 13:21:19 +01:00
parent 4e04d657b7
commit 9b20c454d3
3 changed files with 115 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
backend/managers/differentialUpdateManager.js
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@@ -3,7 +3,7 @@ const path = require('path');
const { execFile } = require('child_process');
const { downloadFile, retryDownload } = require('../utils/fileManager');
const { getOS, getArch } = require('../utils/platformUtils');
const { validateChecksum, extractVersionDetails, getInstalledClientVersion, getUpdatePlan, extractVersionNumber } = require('../services/versionManager');
const { validateChecksum, extractVersionDetails, getInstalledClientVersion, getUpdatePlan, extractVersionNumber, getAllMirrorUrls, getPatchesBaseUrl } = require('../services/versionManager');
const { installButler } = require('./butlerManager');
const { GAME_DIR, CACHE_DIR, TOOLS_DIR } = require('../core/paths');
const { saveVersionClient } = require('../core/config');
@@ -31,15 +31,62 @@ async function acquireGameArchive(downloadUrl, targetPath, checksum, progressCal
console.log(`Downloading game archive from: ${downloadUrl}`);
try {
if (allowRetry) {
await retryDownload(downloadUrl, targetPath, progressCallback);
} else {
await downloadFile(downloadUrl, targetPath, progressCallback);
// Try primary URL first, then mirror URLs on timeout/connection failure
const mirrors = await getAllMirrorUrls();
const primaryBase = await getPatchesBaseUrl();
const urlsToTry = [downloadUrl];
// Build mirror URLs by replacing the base URL
for (const mirror of mirrors) {
if (mirror !== primaryBase && downloadUrl.startsWith(primaryBase)) {
const mirrorUrl = downloadUrl.replace(primaryBase, mirror);
if (!urlsToTry.includes(mirrorUrl)) {
urlsToTry.push(mirrorUrl);
}
}
} catch (error) {
const enhancedError = new Error(`Archive download failed: ${error.message}`);
enhancedError.originalError = error;
}
let lastError;
for (let i = 0; i < urlsToTry.length; i++) {
const url = urlsToTry[i];
try {
if (i > 0) {
console.log(`[Download] Trying mirror ${i}: ${url}`);
if (progressCallback) {
progressCallback(`Trying alternative mirror (${i}/${urlsToTry.length - 1})...`, 0, null, null, null);
}
// Clean up partial download from previous attempt
if (fs.existsSync(targetPath)) {
try { fs.unlinkSync(targetPath); } catch (e) {}
}
}
if (allowRetry) {
await retryDownload(url, targetPath, progressCallback);
} else {
await downloadFile(url, targetPath, progressCallback);
}
lastError = null;
break; // Success
} catch (error) {
lastError = error;
const isConnectionError = error.message && (
error.message.includes('ETIMEDOUT') ||
error.message.includes('ECONNREFUSED') ||
error.message.includes('ECONNABORTED') ||
error.message.includes('timeout')
);
if (isConnectionError && i < urlsToTry.length - 1) {
console.warn(`[Download] Connection failed (${error.message}), will try mirror...`);
continue;
}
// Non-connection error or last mirror — throw
break;
}
}
if (lastError) {
const enhancedError = new Error(`Archive download failed: ${lastError.message}`);
enhancedError.originalError = lastError;
enhancedError.downloadUrl = downloadUrl;
enhancedError.targetPath = targetPath;
throw enhancedError;