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v2.3.2: fix truncated download cache, update Discord link

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Fix pre-release downloads failing with "unexpected EOF" by validating
cached PWR file sizes against manifest expected sizes. Previously only
checked > 1MB which accepted truncated files. Also update Discord
invite link to new server across all files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
sanasol
2026-02-20 15:14:20 +01:00
parent 11c6d40dfe
commit e7a033932f
10 changed files with 58 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
backend/managers/gameManager.js
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@@ -64,7 +64,7 @@ async function safeRemoveDirectory(dirPath, maxRetries = 3) {
}
}
async function downloadPWR(branch = 'release', fileName = 'v8', progressCallback, cacheDir = CACHE_DIR, manualRetry = false, directUrl = null) {
async function downloadPWR(branch = 'release', fileName = 'v8', progressCallback, cacheDir = CACHE_DIR, manualRetry = false, directUrl = null, expectedSize = null) {
const osName = getOS();
const arch = getArch();
@@ -90,17 +90,47 @@ async function downloadPWR(branch = 'release', fileName = 'v8', progressCallback
console.log(`[DownloadPWR] Fallback URL: ${url}`);
}
}
// Look up expected file size from manifest if not provided
if (!expectedSize) {
try {
const { fetchMirrorManifest } = require('../services/versionManager');
const manifest = await fetchMirrorManifest();
// Try to match: "0_to_11" format or "v11" format
const versionMatch = fileName.match(/^(\d+)_to_(\d+)$/);
let manifestKey;
if (versionMatch) {
manifestKey = `${osName}/${arch}/${branch}/${fileName}.pwr`;
} else {
const buildNum = extractVersionNumber(fileName);
manifestKey = `${osName}/${arch}/${branch}/0_to_${buildNum}.pwr`;
}
if (manifest.files[manifestKey]) {
expectedSize = manifest.files[manifestKey].size;
console.log(`[PWR] Expected size from manifest: ${(expectedSize / 1024 / 1024).toFixed(2)} MB`);
}
} catch (e) {
console.log(`[PWR] Could not fetch expected size from manifest: ${e.message}`);
}
}
const dest = path.join(cacheDir, `${branch}_${fileName}.pwr`);
// Check if file exists and validate it
if (fs.existsSync(dest) && !manualRetry) {
const stats = fs.statSync(dest);
if (stats.size > 1024 * 1024) {
console.log(`[PWR] Using cached file: ${dest} (${(stats.size / 1024 / 1024).toFixed(2)} MB)`);
return dest;
// Validate against expected size - reject if file is truncated (< 99% of expected)
if (expectedSize && stats.size < expectedSize * 0.99) {
console.log(`[PWR] Cached file truncated: ${(stats.size / 1024 / 1024).toFixed(2)} MB, expected ${(expectedSize / 1024 / 1024).toFixed(2)} MB. Deleting and re-downloading.`);
fs.unlinkSync(dest);
} else {
console.log(`[PWR] Using cached file: ${dest} (${(stats.size / 1024 / 1024).toFixed(2)} MB)`);
return dest;
}
} else {
console.log(`[PWR] Cached file too small (${stats.size} bytes), re-downloading`);
}
console.log(`[PWR] Cached file too small (${stats.size} bytes), re-downloading`);
}
console.log(`[DownloadPWR] Downloading from: ${url}`);
@@ -129,7 +159,7 @@ async function downloadPWR(branch = 'release', fileName = 'v8', progressCallback
const retryStats = fs.statSync(dest);
console.log(`PWR file downloaded (auto-retry), size: ${(retryStats.size / 1024 / 1024).toFixed(2)} MB`);
if (!validatePWRFile(dest)) {
if (!validatePWRFile(dest, expectedSize)) {
console.log(`[PWR Validation] PWR file validation failed after auto-retry, deleting corrupted file: ${dest}`);
fs.unlinkSync(dest);
throw new Error('Downloaded PWR file is corrupted or invalid after automatic retry. Please retry manually');
@@ -179,8 +209,8 @@ async function downloadPWR(branch = 'release', fileName = 'v8', progressCallback
// Enhanced PWR file validation
const stats = fs.statSync(dest);
console.log(`PWR file downloaded, size: ${(stats.size / 1024 / 1024).toFixed(2)} MB`);
if (!validatePWRFile(dest)) {
if (!validatePWRFile(dest, expectedSize)) {
console.log(`[PWR Validation] PWR file validation failed, deleting corrupted file: ${dest}`);
fs.unlinkSync(dest);
throw new Error('Downloaded PWR file is corrupted or invalid. Please retry');
@@ -440,7 +470,7 @@ async function updateGameFiles(newVersion, progressCallback, gameDir = GAME_DIR,
progressCallback(`Downloading patch ${i + 1}/${updatePlan.steps.length} (${stepName})...`, progress, null, null, null);
}
const pwrFile = await downloadPWR(branch, stepName, progressCallback, cacheDir, false, step.url);
const pwrFile = await downloadPWR(branch, stepName, progressCallback, cacheDir, false, step.url, step.size);
if (!pwrFile) {
throw new Error(`Failed to download patch ${stepName}`);
@@ -891,7 +921,7 @@ function validateGameDirectory(gameDir, stagingDir) {
// Enhanced PWR file validation
// Accepts intermediate patches (50+ MB) and full installs (1.5+ GB)
function validatePWRFile(filePath) {
function validatePWRFile(filePath, expectedSize = null) {
try {
if (!fs.existsSync(filePath)) {
return false;
@@ -906,6 +936,13 @@ function validatePWRFile(filePath) {
return false;
}
// Validate against expected size if known (reject if < 99% of expected)
if (expectedSize && stats.size < expectedSize * 0.99) {
const expectedMB = expectedSize / 1024 / 1024;
console.log(`[PWR Validation] File truncated: ${sizeInMB.toFixed(2)} MB, expected ${expectedMB.toFixed(2)} MB`);
return false;
}
console.log(`[PWR Validation] File size: ${sizeInMB.toFixed(2)} MB - OK`);
return true;
} catch (error) {