feat: add signed Windows launcher self-updates with SHA-256 verification

.gitignore

@@ -36,4 +36,6 @@ yarn-error.log*
 *.temp
 download-temp.zip
 
-.env
+.env
+
+release-assets/

build-pipeline.js

@@ -73,6 +73,8 @@ function cleanBuildDir() {
   fs.mkdirSync(BUILD_DIR, { recursive: true });
 }
 
+let credentialsId = null;
+
 function encryptCredentialsFile() {
   const CryptoUtils = require('./crypto-utils');
 
@@ -109,6 +111,7 @@ function encryptCredentialsFile() {
       }
     }
 
+    credentialsId = crypto.createHash('sha256').update(JSON.stringify(credentials)).digest('hex');
     const buildKey = CryptoUtils.deriveKey('vyla-home-build-key', 'vyla-home-payload-salt-v1');
     const encryptedData = CryptoUtils.encryptObject(credentials, buildKey);
 
@@ -229,6 +232,32 @@ function validatePayload(zipPath) {
   return validationResults.checksum;
 }
 
+function directoryId(dir) {
+  const hash = crypto.createHash('sha256');
+  const walk = (current, rel) => {
+    for (const name of fs.readdirSync(current).sort()) {
+      const full = path.join(current, name);
+      const relPath = rel ? `${rel}/${name}` : name;
+      if (fs.statSync(full).isDirectory()) {
+        walk(full, relPath);
+      } else {
+        hash.update(`${relPath}\0${getFileChecksum(full)}\n`);
+      }
+    }
+  };
+  walk(dir, '');
+  return hash.digest('hex');
+}
+
+function signManifest(manifest) {
+  const key = process.env.VYLA_UPDATE_SIGNING_KEY;
+  if (!key) {
+    throw new Error('VYLA_UPDATE_SIGNING_KEY is required to sign the update manifest.');
+  }
+  const UpdateClient = require('./update-client');
+  return crypto.sign(null, Buffer.from(UpdateClient.canonicalManifest(manifest)), key.replace(/\\n/g, '\n')).toString('base64');
+}
+
 async function build() {
   try {
     cloneAllRepos();
@@ -319,13 +348,41 @@ async function build() {
     const pkg = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'), 'utf8'));
     wrapperVersion = pkg.version || '2.0.0';
   } catch (e) { }
+  const releaseVersion = (process.env.RELEASE_VERSION || wrapperVersion).replace(/^v/, '');
+
+  const assetsDir = path.join(__dirname, 'release-assets');
+  fs.rmSync(assetsDir, { recursive: true, force: true });
+  fs.mkdirSync(assetsDir, { recursive: true });
+
+  const components = {};
+  const addComponent = (name, fill, id) => {
+    const file = `${name}.zip`;
+    const target = path.join(assetsDir, file);
+    const componentZip = new AdmZip();
+    fill(componentZip);
+    componentZip.writeZip(target);
+    components[name] = { file, sha256: getFileChecksum(target), id, size: fs.statSync(target).size };
+  };
+
+  for (const repo of REPOS) {
+    const destRepo = path.join(BUILD_DIR, repo);
+    addComponent(repo, (z) => z.addLocalFolder(destRepo, repo), directoryId(destRepo));
+  }
+  addComponent('config', (z) => z.addLocalFolder(configDir, 'config'), directoryId(configDir));
+
+  const bundledCredentials = path.join(BUILD_DIR, 'encrypted-credentials.json');
+  if (fs.existsSync(bundledCredentials) && credentialsId) {
+    addComponent('secrets', (z) => z.addFile('encrypted-credentials.json', fs.readFileSync(bundledCredentials)), credentialsId);
+  }
 
   const manifest = {
-    version: wrapperVersion,
+    version: releaseVersion,
     sha256: checksum,
     timestamp: new Date().toISOString(),
-    hasEncryptedCredentials: !!encryptedCredentialsPath
+    hasEncryptedCredentials: !!encryptedCredentialsPath,
+    components
   };
+  manifest.signature = signManifest(manifest);
 
   fs.writeFileSync(path.join(__dirname, 'manifest.json'), JSON.stringify(manifest, null, 2), 'utf8');
 

file-updater.js

@@ -27,7 +27,9 @@ const sha256Buf = (buf) => crypto.createHash('sha256').update(buf).digest('hex')
 const sha256File = (p) => sha256Buf(fs.readFileSync(p));
 const gitBlobSha = (buf) => crypto.createHash('sha1').update(Buffer.concat([Buffer.from(`blob ${buf.length}\0`), buf])).digest('hex');
 
-function fetchBuffer(url, { headers = {}, maxBytes, hosts, redirects = 0 }) {
+const hooks = { notice: null };
+
+function fetchBuffer(url, { headers = {}, maxBytes, hosts, redirects = 0, retries = 0 }) {
     return new Promise((resolve, reject) => {
         if (redirects > 5) return reject(new Error('Too many redirects'));
         let u;
@@ -48,6 +50,15 @@ function fetchBuffer(url, { headers = {}, maxBytes, hosts, redirects = 0 }) {
                 fetchBuffer(next, { headers: keep, maxBytes, hosts, redirects: redirects + 1 }).then(resolve, reject);
                 return;
             }
+            if (res.statusCode === 429 && retries < 4) {
+                res.resume();
+                const wait = Math.min(parseInt(res.headers['retry-after'], 10) || 5, 30) * 1000;
+                if (hooks.notice) hooks.notice(`GitLab rate limit (HTTP 429). Retrying in ${Math.round(wait / 1000)}s (${retries + 1}/4)...`);
+                setTimeout(() => {
+                    fetchBuffer(url, { headers, maxBytes, hosts, redirects, retries: retries + 1 }).then(resolve, reject);
+                }, wait);
+                return;
+            }
             if (res.statusCode !== 200) {
                 res.resume();
                 reject(new Error(`HTTP ${res.statusCode}`));
@@ -121,12 +132,21 @@ class FileUpdater {
         this.statePath = path.join(appDataPath, 'file-state.json');
     }
 
+    set onNotice(fn) {
+        hooks.notice = fn;
+    }
+
     sdkHeaders() {
         const h = { Accept: 'application/json' };
         if (process.env.NPM_TOKEN) h.Authorization = `Bearer ${process.env.NPM_TOKEN}`;
         return h;
     }
 
+    liveHeaders(extra = {}) {
+        const t = this.updateClient && this.updateClient.token;
+        return t ? { ...extra, 'PRIVATE-TOKEN': t } : extra;
+    }
+
     target(rel) {
         const root = path.resolve(this.appDataPath);
         const full = path.resolve(root, ...rel.split('/'));
@@ -139,17 +159,28 @@ class FileUpdater {
             const s = JSON.parse(fs.readFileSync(this.statePath, 'utf8'));
             return {
                 seq: typeof s.seq === 'number' ? s.seq : null,
-                base: s.base && typeof s.base === 'object' ? s.base : {}
+                base: s.base && typeof s.base === 'object' ? s.base : {},
+                remote: s.remote && typeof s.remote === 'object' ? s.remote : {},
+                local: s.local && typeof s.local === 'object' ? s.local : {},
+                commits: s.commits && typeof s.commits === 'object' ? s.commits : {}
             };
         } catch (e) {
-            return { seq: null, base: {} };
+            return { seq: null, base: {}, remote: {}, local: {}, commits: {} };
         }
     }
 
     writeState(state) {
+        const cur = this.readState();
+        const next = {
+            seq: state.seq !== undefined ? state.seq : cur.seq,
+            base: state.base || cur.base,
+            remote: state.remote || cur.remote,
+            local: state.local || cur.local,
+            commits: state.commits || cur.commits
+        };
         fs.mkdirSync(this.appDataPath, { recursive: true });
         const tmp = `${this.statePath}.tmp`;
-        fs.writeFileSync(tmp, JSON.stringify(state), 'utf8');
+        fs.writeFileSync(tmp, JSON.stringify(next), 'utf8');
         fs.renameSync(tmp, this.statePath);
     }
 
@@ -169,7 +200,7 @@ class FileUpdater {
             const dir = path.join(this.appDataPath, root);
             if (fs.existsSync(dir)) walk(dir, root);
         }
-        this.writeState({ seq: this.readState().seq, base });
+        this.writeState({ seq: this.readState().seq, base, remote: {}, local: {}, commits: {} });
     }
 
     zipMatches(zipPath, sha256) {
@@ -299,47 +330,133 @@ class FileUpdater {
         return changed ? Buffer.from(text, 'utf8') : buf;
     }
 
-    async repoTree(root) {
-        const out = [];
-        for (let page = 1; page <= 50; page++) {
-            const url = `${REPO_API}${root}/repository/tree?recursive=true&per_page=100&ref=main&page=${page}`;
-            const raw = await fetchBuffer(url, { headers: { Accept: 'application/json' }, maxBytes: 5 * 1024 * 1024, hosts: LIVE_HOSTS });
-            const items = JSON.parse(raw.toString('utf8'));
-            if (!Array.isArray(items) || items.length === 0) break;
-            out.push(...items);
-            if (items.length < 100) break;
+    async loadArchive(root) {
+        const buf = await fetchBuffer(`${REPO_API}${root}/repository/archive.zip?sha=main`, { headers: this.liveHeaders(), maxBytes: 600 * 1024 * 1024, hosts: LIVE_HOSTS });
+        const zip = new AdmZip(buf);
+        const map = new Map();
+        for (const entry of zip.getEntries()) {
+            if (entry.isDirectory) continue;
+            const name = entry.entryName;
+            const i = name.indexOf('/');
+            if (i < 0) continue;
+            map.set(`${root}/${name.slice(i + 1)}`, entry);
         }
-        return out;
+        return map;
     }
 
     fetchRepoFile(rel) {
+        const hit = this.archive && this.archive.get(rel);
+        if (hit) return Promise.resolve(hit.getData());
         const parts = rel.split('/');
         const root = parts.shift();
         const file = encodeURIComponent(parts.join('/'));
-        return fetchBuffer(`${REPO_API}${root}/repository/files/${file}/raw?ref=main`, { maxBytes: MAX_FILE, hosts: LIVE_HOSTS });
+        return fetchBuffer(`${REPO_API}${root}/repository/files/${file}/raw?ref=main`, { headers: this.liveHeaders(), maxBytes: MAX_FILE, hosts: LIVE_HOSTS });
+    }
+
+    async headCommit(root) {
+        try {
+            const raw = await fetchBuffer(`${REPO_API}${root}/repository/commits/main`, {
+                headers: this.liveHeaders({ Accept: 'application/json' }),
+                maxBytes: 1024 * 1024,
+                hosts: LIVE_HOSTS,
+                retries: 3
+            });
+            const id = JSON.parse(raw.toString('utf8')).id;
+            return /^[0-9a-f]{40}$/.test(id) ? id : null;
+        } catch (e) {
+            return null;
+        }
+    }
+
+    localIntact(root, state) {
+        const prefix = `${root}/`;
+        const keys = Object.keys(state.remote).filter((k) => k.startsWith(prefix));
+        if (keys.length === 0) return false;
+        for (const rel of keys) {
+            try {
+                if (sha256File(this.target(rel)) !== state.local[rel]) return false;
+            } catch (e) {
+                return false;
+            }
+        }
+        return true;
     }
 
     async checkRepos() {
         const state = this.readState();
         const changes = [];
+        const remoteIds = {};
+        const checkedRoots = [];
+        const errors = [];
+        const verified = { remote: {}, local: {} };
+        const commits = {};
+        this.archive = new Map();
         for (const root of ALLOWED_ROOTS) {
-            const tree = await this.repoTree(root);
-            for (const item of tree) {
-                if (item.type !== 'blob') continue;
-                const rel = safeRel(`${root}/${item.path}`);
-                if (!rel || !/^[0-9a-f]{40}$/.test(item.id)) continue;
+            const head = await this.headCommit(root);
+            if (this.localIntact(root, state) && (!head || head === state.commits[root])) continue;
+            let map;
+            try {
+                map = await this.loadArchive(root);
+            } catch (e) {
+                errors.push(`${root}: ${e.message}`);
+                continue;
+            }
+            if (map.size === 0) {
+                errors.push(`${root}: empty archive`);
+                continue;
+            }
+            checkedRoots.push(root);
+            if (head) commits[root] = head;
+            for (const [key, entry] of map) {
+                const rel = safeRel(key);
+                if (!rel) continue;
+                const data = entry.getData();
+                const id = gitBlobSha(data);
+                remoteIds[rel] = id;
                 const full = this.target(rel);
-                if (fs.existsSync(full) && (state.base[rel] === item.id || gitBlobSha(fs.readFileSync(full)) === item.id)) continue;
-                changes.push({ path: rel, sha256: item.id, size: 0 });
+                let ok = false;
+                let localHash = null;
+                if (fs.existsSync(full)) {
+                    const buf = fs.readFileSync(full);
+                    localHash = sha256Buf(buf);
+                    ok = gitBlobSha(buf) === id || (state.remote[rel] === id && state.local[rel] === localHash);
+                }
+                if (ok) {
+                    verified.remote[rel] = id;
+                    verified.local[rel] = localHash;
+                } else {
+                    changes.push({ path: rel, sha256: id, size: data.length });
+                    this.archive.set(rel, entry);
+                }
             }
         }
-        return { seq: state.seq === null ? 0 : state.seq, changes, removed: [] };
+        if (checkedRoots.length === 0) {
+            if (errors.length) throw new Error(errors.join(' | '));
+            return { seq: state.seq === null ? 0 : state.seq, changes: [], removed: [], verified, commits };
+        }
+        const tracked = new Set([...Object.keys(state.base), ...Object.keys(state.remote)]);
+        const removed = [...tracked].filter((rel) =>
+            checkedRoots.includes(rel.split('/')[0]) &&
+            !remoteIds[rel] &&
+            safeRel(rel) &&
+            fs.existsSync(this.target(rel))
+        );
+        if (changes.length === 0 && removed.length === 0) {
+            for (const k of Object.keys(verified.remote)) {
+                state.remote[k] = verified.remote[k];
+                state.local[k] = verified.local[k];
+            }
+            this.writeState({ remote: state.remote, local: state.local, commits: { ...state.commits, ...commits } });
+            this.archive = null;
+        }
+        return { seq: state.seq === null ? 0 : state.seq, changes, removed, verified, commits };
     }
 
     async applyLive(info, replacements, onFile) {
         const staged = [];
         const total = info.changes.length;
         let next = 0;
+        if (!this.archive) this.archive = new Map();
         let finished = 0;
         let failure = null;
         const worker = async () => {
@@ -356,7 +473,8 @@ class FileUpdater {
                 }
             }
         };
-        await Promise.all(Array.from({ length: Math.min(8, total) }, worker));
+        await Promise.all(Array.from({ length: Math.min(4, total) }, worker));
+        this.archive = null;
         if (failure) throw failure;
 
         const done = [];
@@ -387,9 +505,23 @@ class FileUpdater {
         }
 
         const state = this.readState();
-        for (const s of staged) state.base[s.c.path] = s.c.sha256;
-        for (const rel of info.removed) delete state.base[rel];
-        this.writeState({ seq: info.seq, base: state.base });
+        for (const s of staged) {
+            state.base[s.c.path] = s.c.sha256;
+            state.remote[s.c.path] = s.c.sha256;
+            state.local[s.c.path] = sha256Buf(s.data);
+        }
+        for (const rel of info.removed) {
+            delete state.base[rel];
+            delete state.remote[rel];
+            delete state.local[rel];
+        }
+        const v = info.verified || { remote: {}, local: {} };
+        for (const k of Object.keys(v.remote)) {
+            state.remote[k] = v.remote[k];
+            state.local[k] = v.local[k];
+        }
+        state.commits = { ...state.commits, ...(info.commits || {}) };
+        this.writeState({ seq: info.seq, base: state.base, remote: state.remote, local: state.local, commits: state.commits });
     }
 
     installedSdk() {
@@ -405,6 +537,19 @@ class FileUpdater {
         return found;
     }
 
+    recoverSdk() {
+        for (const root of [this.appDataPath, path.join(this.appDataPath, 'frontend'), path.join(this.appDataPath, 'player')]) {
+            const dir = path.join(root, 'node_modules', ...SDK_NAME.split('/'));
+            const old = `${dir}.vyla-old`;
+            const stage = `${dir}.vyla-new`;
+            try {
+                if (!fs.existsSync(dir) && fs.existsSync(old)) fs.renameSync(old, dir);
+                fs.rmSync(stage, { recursive: true, force: true });
+                if (fs.existsSync(dir)) fs.rmSync(old, { recursive: true, force: true });
+            } catch (e) { }
+        }
+    }
+
     async checkSdk() {
         const raw = await fetchBuffer(SDK_LATEST_URL, {
             headers: this.sdkHeaders(),

main.js

@@ -82,8 +82,14 @@ function getReplacementsConfig() {
   } catch (e) { return {}; }
 }
 
+function liveReposEnabled() {
+  const cfg = getEnvConfig();
+  return !!(cfg.updater && cfg.updater.liveRepos === true);
+}
+
 const updateClient = new UpdateClient(APPDATA_DIR);
 const fileUpdater = new FileUpdater(APPDATA_DIR, updateClient);
+fileUpdater.onNotice = (message) => sendToTauri('notice', { message });
 let lastFilePercent = -1;
 fileUpdater.onProgress = (downloaded, total) => {
   const percent = total > 0 ? Math.round((downloaded / total) * 100) : 0;
@@ -121,93 +127,114 @@ async function start() {
   const patcher = new Patcher(APPDATA_DIR);
   serviceManager = new ServiceManager(APPDATA_DIR, getEnvConfig());
 
-  const installBuild = async (release) => {
-    const tempZipPath = path.join(APPDATA_DIR, 'download-temp.zip');
-    if (fs.existsSync(tempZipPath)) {
-      try { fs.unlinkSync(tempZipPath); } catch (e) { }
-    }
-    let attempts = 0;
-    let downloadSuccess = false;
+  const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
 
-    while (attempts < 3 && !downloadSuccess) {
-      attempts++;
+  const downloadVerified = async (name, item, dest) => {
+    let lastError;
+    for (let attempt = 1; attempt <= 3; attempt++) {
+      fs.rmSync(dest, { force: true });
       try {
-        debugLog(`Attempting to download update (Attempt ${attempts})...`);
-        sendToTauri('status', { message: `Connecting to download servers (Attempt ${attempts}/3)...` });
-
+        sendToTauri('status', { message: `Downloading ${name} (attempt ${attempt}/3)...` });
         let lastPercent = -1;
-        await updateClient.downloadUpdate(release, tempZipPath, (downloaded, total) => {
+        await updateClient.downloadUpdate(item, dest, (downloaded, total) => {
           const percent = total > 0 ? Math.round((downloaded / total) * 100) : 0;
           if (percent !== lastPercent) {
             lastPercent = percent;
             sendToTauri('download-progress', { downloaded, total, percent });
           }
         });
-
-        debugLog('Download complete. Verifying checksum...');
-        sendToTauri('status', { message: 'Verifying SHA-256 integrity...' });
-        if (!release.sha256) {
-          throw new Error('Release has no SHA-256 in manifest.json; refusing unverified install.');
-        }
-        if (!patcher.verifyChecksum(tempZipPath, release.sha256)) {
+        sendToTauri('status', { message: `Verifying ${name} SHA-256...` });
+        if (!patcher.verifyChecksum(dest, item.sha256)) {
           throw new Error('SHA-256 checksum verification failed.');
         }
+        return;
+      } catch (err) {
+        lastError = err;
+        fs.rmSync(dest, { force: true });
+        debugLog(`Download error for ${name} on attempt ${attempt}: ${err.message}`);
+        if (attempt < 3) {
+          await sleep(err.retryAfterMs || 2000 * 2 ** (attempt - 1) + Math.floor(Math.random() * 500));
+        }
+      }
+    }
+    throw new Error(`Failed to download ${name} after 3 attempts: ${lastError.message}`);
+  };
 
-        debugLog('Checksum verified. Extracting to staging...');
-        sendToTauri('status', { message: 'Unpacking update archive...' });
+  const installBuild = async (release) => {
+    const names = patcher.staleComponents(release);
+    if (names.length === 0) return;
+
+    const stagingDir = path.join(APPDATA_DIR, '.staging');
+    fs.rmSync(stagingDir, { recursive: true, force: true });
+    fs.mkdirSync(stagingDir, { recursive: true });
+    const tempFiles = [];
+
+    try {
+      for (let i = 0; i < names.length; i++) {
+        const name = names[i];
+        const tempZip = path.join(APPDATA_DIR, `download-${name}.zip`);
+        tempFiles.push(tempZip);
+        await downloadVerified(name, release.components[name], tempZip);
+
+        sendToTauri('status', { message: `Unpacking ${name}...` });
         let lastEmit = 0;
-        const stagingDir = await patcher.extractToStaging(tempZipPath, (file, done, total) => {
+        await patcher.extractToStaging(tempZip, (file, done, total) => {
           const now = Date.now();
           if (done !== total && now - lastEmit < 40) return;
           lastEmit = now;
-          sendToTauri('extract-progress', {
-            file,
-            done,
-            total,
-            percent: Math.round((done / total) * 100)
-          });
-        });
-
-        sendToTauri('status', { message: 'Verifying file integrity...' });
-        if (!patcher.verifyExtraction(stagingDir)) {
-          fs.rmSync(stagingDir, { recursive: true, force: true });
-          throw new Error('Extraction verification failed: critical startup files missing.');
-        }
-
-        sendToTauri('status', { message: 'Replacing old version...' });
-        patcher.commitStaging(stagingDir);
-
-        debugLog('Extraction complete. Applying patches...');
-        sendToTauri('status', { message: 'Applying configuration patches...' });
-        fileUpdater.snapshotBase();
-        patcher.applyPatches(getReplacementsConfig());
-
-        sendToTauri('status', { message: 'Migrating security credentials...' });
-        patcher.bridgeCredentials(serviceManager.credentialManager);
-        patcher.saveCurrentVersion(release.version, release.sha256);
-
-        serviceManager.envConfig = getEnvConfig();
-
-        if (fs.existsSync(tempZipPath)) {
-          fs.unlinkSync(tempZipPath);
-        }
-        downloadSuccess = true;
-        debugLog('Update installed successfully!');
-      } catch (err) {
-        debugLog(`Download/Install error on attempt ${attempts}: ${err.message}`);
-        sendToTauri('status', { message: `Install error: ${err.message}. Retrying...` });
-        if (fs.existsSync(tempZipPath)) {
-          try { fs.unlinkSync(tempZipPath); } catch (e) { }
-        }
-        if (attempts >= 3) {
-          throw new Error(`Failed to download and verify build after 3 attempts: ${err.message}`);
-        }
-        await new Promise(r => setTimeout(r, 2000));
+          sendToTauri('extract-progress', { file, done, total, percent: Math.round((done / total) * 100) });
+        }, i > 0);
+        fs.rmSync(tempZip, { force: true });
       }
+
+      sendToTauri('status', { message: 'Verifying file integrity...' });
+      if (!patcher.verifyStaged(stagingDir, names)) {
+        throw new Error('Extraction verification failed: critical startup files missing.');
+      }
+
+      sendToTauri('status', { message: 'Replacing old version...' });
+      patcher.commitStaging(stagingDir);
+    } catch (err) {
+      fs.rmSync(stagingDir, { recursive: true, force: true });
+      for (const f of tempFiles) fs.rmSync(f, { force: true });
+      throw err;
     }
+
+    try {
+      sendToTauri('status', { message: 'Applying configuration patches...' });
+      patcher.applyPatches(getReplacementsConfig(), names);
+
+      sendToTauri('status', { message: 'Migrating security credentials...' });
+      patcher.bridgeCredentials(serviceManager.credentialManager);
+
+      if (!patcher.verifyExtraction()) {
+        throw new Error('Post-install verification failed.');
+      }
+
+      const current = patcher.getCurrentComponents();
+      const next = {};
+      for (const name of Object.keys(release.components)) {
+        next[name] = names.includes(name) ? release.components[name].id : current[name];
+      }
+      patcher.saveCurrentVersion(release.version, release.sha256, next);
+      patcher.writeIntegrity(names);
+    } catch (err) {
+      try { patcher.rollback(); } catch (x) { debugLog(`Rollback failed: ${x.message}`); }
+      throw err;
+    }
+
+    patcher.finalizeCommit();
+    if (liveReposEnabled()) fileUpdater.snapshotBase();
+    serviceManager.envConfig = getEnvConfig();
+    debugLog(`Update installed successfully: ${names.join(', ')}`);
   };
 
   try {
+    if (patcher.recoverInterrupted()) {
+      debugLog('Recovered from an interrupted update.');
+      sendToTauri('notice', { message: 'Recovered from an interrupted update.' });
+    }
+    fileUpdater.recoverSdk();
     sendToTauri('status', { message: 'Inspecting local workspace and installed files...' });
     const isFirstRun = !patcher.verifyExtraction();
     const localVersion = patcher.getCurrentVersion();
@@ -218,11 +245,11 @@ async function start() {
     let release = null;
     try {
       debugLog("Fetching updates from updateClient...");
-      release = await updateClient.checkForUpdates();
+      release = await updateClient.checkForUpdates(isFirstRun);
       debugLog(`Update check finished. Found: ${release ? release.version : 'None'}`);
     } catch (e) {
-      debugLog(`Update check failed (offline?): ${e.message}`);
-      sendToTauri('status', { message: `Update server check skipped (${e.message})` });
+      debugLog(`Update check failed: ${e.message}`);
+      sendToTauri('notice', { message: `Update check skipped: ${e.message}` });
     }
 
     const normalizeVer = (v) => (v || '').toString().replace(/^v/, '').trim();
@@ -238,45 +265,96 @@ async function start() {
       return false;
     };
 
-    if (release) {
-      const versionNewer = isNewer(release.version, localVersion);
-      const sameVerNewBuild = normalizeVer(release.version) === normalizeVer(localVersion) &&
-        !!release.sha256 && !!localSha && release.sha256 !== localSha;
-      const hasUpdate = versionNewer || sameVerNewBuild;
+    if (release && release.installer && process.platform === 'win32' && process.env.VYLA_DEV !== '1') {
+      const appVersion = process.env.VYLA_APP_VERSION || '0.0.0';
+      const tried = updateClient.readCache().selfUpdate || {};
+      const recentlyTried = tried.version === release.installer.version && Date.now() - (tried.at || 0) < 24 * 60 * 60 * 1000;
+      if (isNewer(release.installer.version, appVersion) && !recentlyTried) {
+        try {
+          const dest = path.join(APPDATA_DIR, `vyla-installer-${normalizeVer(release.installer.version)}.exe`);
+          sendToTauri('status', { message: 'Downloading launcher update...' });
+          await downloadVerified('launcher', release.installer, dest);
+          updateClient.writeCache({ selfUpdate: { version: release.installer.version, at: Date.now() } });
+          sendToTauri('status', { message: 'Installing launcher update...' });
+          sendToTauri('self-update', { path: dest });
+          await sleep(30000);
+          sendToTauri('notice', { message: 'Launcher update did not start. Continuing on the current version.' });
+        } catch (err) {
+          debugLog(`Launcher update failed: ${err.message}`);
+          sendToTauri('notice', { message: `Launcher update failed: ${err.message}` });
+        }
+      }
+    }
 
-      if (isFirstRun) {
-        debugLog("First run with no local payload. Installing remote build...");
-        sendToTauri('status', { message: 'First run detected. Preparing initial installation...' });
-        await installBuild(release);
-      } else if (hasUpdate) {
-        debugLog("Update available. Installing update...");
-        sendToTauri('status', { message: `Updating to ${release.version}...` });
-        await installBuild(release);
+    if (release) {
+      const stale = patcher.staleComponents(release);
+      const broken = stale.some((name) => !patcher.componentIntact(name));
+      const sameVersion = normalizeVer(release.version) === normalizeVer(localVersion);
+      const hasUpdate = stale.length > 0 && (broken || isNewer(release.version, localVersion) || sameVersion);
+
+      if (hasUpdate) {
+        debugLog(`Installing components: ${stale.join(', ')}`);
+        sendToTauri('status', {
+          message: isFirstRun ? 'First run detected. Preparing initial installation...' : `Updating to ${release.version}...`
+        });
+        try {
+          await installBuild(release);
+          updateClient.recordSuccess();
+        } catch (err) {
+          updateClient.recordFailure();
+          debugLog(`Update failed: ${err.message}`);
+          sendToTauri('notice', { message: `Update failed: ${err.message}` });
+        }
       } else {
         debugLog("Already on the latest version.");
         sendToTauri('status', { message: 'Up to date.' });
       }
-    } else if (isFirstRun) {
-      debugLog("No remote release found, but it's the first run. Looking for local update-payload.zip...");
+    }
+
+    if (!patcher.verifyExtraction()) {
+      debugLog("No usable install. Looking for local update-payload.zip...");
       sendToTauri('status', { message: 'Looking for local payload archive...' });
-      const localZip = path.join(__dirname, 'update-payload.zip');
-      if (fs.existsSync(localZip)) {
+      const payloadRoots = [
+        process.env.VYLA_PAYLOAD_DIR,
+        __dirname,
+        process.cwd(),
+        path.resolve(__dirname, '..', '..', '..', '..'),
+        APPDATA_DIR
+      ].filter(Boolean);
+      const payloadRoot = payloadRoots.find((r) => fs.existsSync(path.join(r, 'update-payload.zip')));
+      const localZip = payloadRoot ? path.join(payloadRoot, 'update-payload.zip') : null;
+      if (localZip) {
         sendToTauri('status', { message: 'Extracting local baseline payload...' });
-        patcher.purgeOldCode();
-        patcher.extractZipPayload(localZip);
-        fileUpdater.snapshotBase();
-        patcher.applyPatches(getReplacementsConfig());
-        patcher.bridgeCredentials(serviceManager.credentialManager);
+        const stagingDir = await patcher.extractToStaging(localZip);
+        if (!patcher.verifyStaged(stagingDir, ['frontend', 'player'])) {
+          fs.rmSync(stagingDir, { recursive: true, force: true });
+          throw new Error('Bundled payload is incomplete.');
+        }
+        patcher.commitStaging(stagingDir);
 
-        let ver = "1.0.0";
-        let manSha = null;
         try {
-          const man = JSON.parse(fs.readFileSync(path.join(__dirname, 'manifest.json'), 'utf8'));
-          ver = man.version || ver;
-          manSha = man.sha256 || null;
-        } catch (e) { }
+          patcher.applyPatches(getReplacementsConfig());
+          patcher.bridgeCredentials(serviceManager.credentialManager);
 
-        patcher.saveCurrentVersion(ver, manSha);
+          let ver = "1.0.0";
+          let manSha = null;
+          let ids = {};
+          try {
+            const man = JSON.parse(fs.readFileSync(path.join(payloadRoot, 'manifest.json'), 'utf8'));
+            ver = man.version || ver;
+            manSha = man.sha256 || null;
+            ids = Object.fromEntries(Object.entries(man.components || {}).map(([k, v]) => [k, v.id]));
+          } catch (e) { }
+
+          patcher.saveCurrentVersion(ver, manSha, ids);
+          patcher.writeIntegrity(['frontend', 'player']);
+        } catch (e) {
+          try { patcher.rollback(); } catch (x) { }
+          throw e;
+        }
+
+        patcher.finalizeCommit();
+        if (liveReposEnabled()) fileUpdater.snapshotBase();
         serviceManager.envConfig = getEnvConfig();
         debugLog("Local payload extracted successfully.");
       } else {
@@ -286,21 +364,28 @@ async function start() {
 
     sendToTauri('status', { message: 'Validating critical components...' });
     if (!patcher.verifyExtraction()) {
-      throw new Error('Could not download the app files. Check your internet connection and relaunch.');
+      throw new Error('No usable install and no valid signed release or bundled payload was found. Check your internet connection and relaunch, or reinstall the app.');
     }
 
-    sendToTauri('status', { message: 'Checking UI files and SDK...' });
+    const liveRepos = liveReposEnabled();
+    sendToTauri('status', { message: liveRepos ? 'Checking UI files and SDK...' : 'Checking SDK...' });
     const [filesCheck, sdkCheck] = await Promise.all([
-      withTimeout(fileUpdater.checkRepos().catch((e) => {
-        debugLog(`Live file check failed: ${e.message}`);
-        return null;
-      }), 60000),
+      liveRepos
+        ? withTimeout(fileUpdater.checkRepos().catch((e) => {
+          debugLog(`Live file check failed: ${e.message}`);
+          sendToTauri('notice', { message: `File check failed: ${e.message}` });
+          return null;
+        }), 60000)
+        : Promise.resolve(null),
       withTimeout(fileUpdater.checkSdk().catch((e) => {
         debugLog(`SDK check failed: ${e.message}`);
+        sendToTauri('notice', { message: `SDK check failed: ${e.message}` });
         return null;
       }), 12000)
     ]);
-    debugLog(`Repo check result: ${filesCheck ? `${filesCheck.changes.length} change(s)` : 'failed or timed out'}`);
+    if (liveRepos) {
+      debugLog(`Repo check result: ${filesCheck ? `${filesCheck.changes.length} change(s)` : 'failed or timed out'}`);
+    }
 
     if (filesCheck && (filesCheck.changes.length > 0 || filesCheck.removed.length > 0)) {
       sendToTauri('status', { message: `Updating ${filesCheck.changes.length} file(s)...` });
@@ -311,7 +396,7 @@ async function start() {
         sendToTauri('status', { message: `Updated ${filesCheck.changes.length} file(s).` });
       } catch (e) {
         debugLog(`File update failed: ${e.message}`);
-        sendToTauri('status', { message: `File update failed: ${e.message}` });
+        sendToTauri('notice', { message: `File update failed: ${e.message}` });
       }
     }
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vyla-home",
-  "version": "1.1.52",
+  "version": "1.1.55",
   "description": "Vyla Home Desktop App Launcher",
   "main": "main.js",
   "scripts": {

patcher.js

@@ -4,6 +4,29 @@ const crypto = require('crypto');
 const AdmZip = require('adm-zip');
 const CryptoUtils = require('./crypto-utils');
 
+const COMPONENT_PROBES = {
+  frontend: 'frontend/server.js',
+  player: 'player/server.js',
+  config: 'config/env.json',
+  secrets: 'encrypted-credentials.json'
+};
+const COMMIT_ALLOWED = new Set(['frontend', 'player', 'config', 'encrypted-credentials.json']);
+
+function renameSafe(from, to) {
+  let last;
+  for (let i = 0; i < 6; i++) {
+    try {
+      fs.renameSync(from, to);
+      return;
+    } catch (e) {
+      last = e;
+      if (!['EPERM', 'EBUSY', 'EACCES', 'ENOTEMPTY'].includes(e.code)) throw e;
+      Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 250 * (i + 1));
+    }
+  }
+  throw last;
+}
+
 class Patcher {
   constructor(appDataPath) {
     this.appDataPath = appDataPath;
@@ -51,10 +74,103 @@ class Patcher {
     return true;
   }
 
-  saveCurrentVersion(version, sha256 = null) {
+  saveCurrentVersion(version, sha256 = null, components = null) {
     const versionFile = path.join(this.appDataPath, 'version.json');
     fs.mkdirSync(this.appDataPath, { recursive: true });
-    fs.writeFileSync(versionFile, JSON.stringify({ version, sha256 }, null, 2), 'utf8');
+    const tmp = `${versionFile}.tmp`;
+    fs.writeFileSync(tmp, JSON.stringify({ version, sha256, components: components || {} }, null, 2), 'utf8');
+    renameSafe(tmp, versionFile);
+  }
+
+  getCurrentComponents() {
+    try {
+      const c = JSON.parse(fs.readFileSync(path.join(this.appDataPath, 'version.json'), 'utf8')).components;
+      return c && typeof c === 'object' ? c : {};
+    } catch (e) {
+      return {};
+    }
+  }
+
+  integrityPath() {
+    return path.join(this.appDataPath, 'integrity.json');
+  }
+
+  readIntegrity() {
+    try {
+      return JSON.parse(fs.readFileSync(this.integrityPath(), 'utf8'));
+    } catch (e) {
+      return {};
+    }
+  }
+
+  writeIntegrity(names) {
+    const all = this.readIntegrity();
+    for (const name of names) {
+      if (name !== 'frontend' && name !== 'player') continue;
+      const files = {};
+      const walk = (dir, rel) => {
+        for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
+          const full = path.join(dir, entry.name);
+          const r = `${rel}/${entry.name}`;
+          if (r.includes('/node_modules/@vyla-entertainment/sdk')) continue;
+          if (entry.isDirectory()) walk(full, r);
+          else if (entry.isFile()) files[r] = fs.statSync(full).size;
+        }
+      };
+      walk(path.join(this.appDataPath, name), name);
+      all[name] = files;
+    }
+    const tmp = `${this.integrityPath()}.tmp`;
+    fs.writeFileSync(tmp, JSON.stringify(all), 'utf8');
+    renameSafe(tmp, this.integrityPath());
+  }
+
+  integrityOk(name) {
+    const files = this.readIntegrity()[name];
+    if (!files) return true;
+    for (const [rel, size] of Object.entries(files)) {
+      try {
+        if (fs.statSync(path.join(this.appDataPath, rel)).size !== size) return false;
+      } catch (e) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  componentIntact(name) {
+    const probe = COMPONENT_PROBES[name];
+    if (!probe || name === 'secrets') return true;
+    try {
+      if (fs.statSync(path.join(this.appDataPath, probe)).size <= 0) return false;
+    } catch (e) {
+      return false;
+    }
+    return this.integrityOk(name);
+  }
+
+  staleComponents(release) {
+    const local = this.getCurrentComponents();
+    const names = Object.keys(release.components);
+    const stale = new Set(names.filter((n) => !this.componentIntact(n) || local[n] !== release.components[n].id));
+    if (stale.has('config')) {
+      for (const n of ['frontend', 'player']) {
+        if (release.components[n]) stale.add(n);
+      }
+    }
+    return [...stale];
+  }
+
+  verifyStaged(stagingDir, names) {
+    return names.every((name) => {
+      const probe = COMPONENT_PROBES[name];
+      if (!probe) return true;
+      try {
+        return fs.statSync(path.join(stagingDir, probe)).size > 0;
+      } catch (e) {
+        return false;
+      }
+    });
   }
 
   purgeOldCode() {
@@ -89,9 +205,9 @@ class Patcher {
     zip.extractAllTo(this.appDataPath, true);
   }
 
-  async extractToStaging(zipPath, onFile) {
+  async extractToStaging(zipPath, onFile, keep = false) {
     const stagingDir = path.join(this.appDataPath, '.staging');
-    fs.rmSync(stagingDir, { recursive: true, force: true });
+    if (!keep) fs.rmSync(stagingDir, { recursive: true, force: true });
     fs.mkdirSync(stagingDir, { recursive: true });
     const zip = new AdmZip(zipPath);
     const entries = zip.getEntries().filter((e) => !e.isDirectory);
@@ -103,7 +219,7 @@ class Patcher {
     for (const entry of entries) {
       const entryPath = path.normalize(entry.entryName);
       const resolvedPath = path.resolve(resolvedStaging, entryPath);
-      if (!resolvedPath.startsWith(resolvedStaging)) {
+      if (!resolvedPath.startsWith(resolvedStaging + path.sep)) {
         throw new Error(`Directory traversal attempt detected: ${entry.entryName}`);
       }
     }
@@ -117,23 +233,133 @@ class Patcher {
     return stagingDir;
   }
 
+  journalPath() {
+    return path.join(this.appDataPath, '.update-journal.json');
+  }
+
+  backupDir() {
+    return path.join(this.appDataPath, '.backup');
+  }
+
   commitStaging(stagingDir) {
-    this.purgeOldCode();
-    for (const name of fs.readdirSync(stagingDir)) {
-      const dest = path.join(this.appDataPath, name);
-      fs.rmSync(dest, { recursive: true, force: true });
-      fs.renameSync(path.join(stagingDir, name), dest);
+    const names = fs.readdirSync(stagingDir);
+    const unexpected = names.filter((n) => !COMMIT_ALLOWED.has(n));
+    if (unexpected.length > 0) {
+      throw new Error(`Unexpected top-level entries in update: ${unexpected.join(', ')}`);
+    }
+
+    const backup = this.backupDir();
+    fs.rmSync(backup, { recursive: true, force: true });
+    fs.mkdirSync(backup, { recursive: true });
+
+    const versionFile = path.join(this.appDataPath, 'version.json');
+    if (fs.existsSync(versionFile)) {
+      fs.copyFileSync(versionFile, path.join(backup, 'version.json.bak'));
+    }
+
+    const journal = { names, hadOld: {}, installed: [] };
+    for (const name of names) {
+      journal.hadOld[name] = fs.existsSync(path.join(this.appDataPath, name));
+    }
+    const save = () => {
+      const tmp = `${this.journalPath()}.tmp`;
+      fs.writeFileSync(tmp, JSON.stringify(journal), 'utf8');
+      renameSafe(tmp, this.journalPath());
+    };
+    save();
+
+    try {
+      for (const name of names) {
+        const dest = path.join(this.appDataPath, name);
+        if (journal.hadOld[name]) {
+          renameSafe(dest, path.join(backup, name));
+        }
+        journal.installed.push(name);
+        save();
+        renameSafe(path.join(stagingDir, name), dest);
+      }
+    } catch (e) {
+      try { this.rollback(); } catch (x) { }
+      throw e;
     }
     fs.rmSync(stagingDir, { recursive: true, force: true });
   }
 
+  rollback() {
+    let journal;
+    try {
+      journal = JSON.parse(fs.readFileSync(this.journalPath(), 'utf8'));
+    } catch (e) {
+      return false;
+    }
+
+    const backup = this.backupDir();
+    const hadOld = journal.hadOld || {};
+    const installed = journal.installed || [];
+    for (const name of journal.names || []) {
+      const dest = path.join(this.appDataPath, name);
+      const saved = path.join(backup, name);
+      if (hadOld[name]) {
+        if (fs.existsSync(saved)) {
+          fs.rmSync(dest, { recursive: true, force: true });
+          renameSafe(saved, dest);
+        }
+      } else if (installed.includes(name)) {
+        fs.rmSync(dest, { recursive: true, force: true });
+      }
+    }
+
+    const versionFile = path.join(this.appDataPath, 'version.json');
+    const savedVersion = path.join(backup, 'version.json.bak');
+    if (fs.existsSync(savedVersion)) {
+      fs.copyFileSync(savedVersion, versionFile);
+    } else {
+      fs.rmSync(versionFile, { force: true });
+    }
+
+    fs.rmSync(backup, { recursive: true, force: true });
+    fs.rmSync(this.journalPath(), { force: true });
+    fs.rmSync(path.join(this.appDataPath, '.staging'), { recursive: true, force: true });
+    return true;
+  }
+
+  finalizeCommit() {
+    fs.rmSync(this.backupDir(), { recursive: true, force: true });
+    fs.rmSync(this.journalPath(), { force: true });
+    for (const dir of ['stream-api', 'auth-proxy']) {
+      fs.rmSync(path.join(this.appDataPath, dir), { recursive: true, force: true });
+    }
+  }
+
+  recoverInterrupted() {
+    const had = fs.existsSync(this.journalPath());
+    if (had && !this.rollback()) {
+      fs.rmSync(this.journalPath(), { force: true });
+      fs.rmSync(this.backupDir(), { recursive: true, force: true });
+    }
+    fs.rmSync(path.join(this.appDataPath, '.staging'), { recursive: true, force: true });
+    try {
+      for (const f of fs.readdirSync(this.appDataPath)) {
+        if (/^download-.*\.zip$/.test(f)) fs.rmSync(path.join(this.appDataPath, f), { force: true });
+      }
+    } catch (e) { }
+    return had;
+  }
+
   verifyChecksum(zipPath, expectedSha256) {
     if (!expectedSha256) return false;
     const hash = crypto.createHash('sha256');
-    const data = fs.readFileSync(zipPath);
-    hash.update(data);
-    const calculated = hash.digest('hex');
-    return calculated === String(expectedSha256).trim().toLowerCase();
+    const fd = fs.openSync(zipPath, 'r');
+    const buf = Buffer.alloc(1024 * 1024);
+    try {
+      let n;
+      while ((n = fs.readSync(fd, buf, 0, buf.length, null)) > 0) {
+        hash.update(buf.subarray(0, n));
+      }
+    } finally {
+      fs.closeSync(fd);
+    }
+    return hash.digest('hex') === String(expectedSha256).trim().toLowerCase();
   }
 
   verifyExtraction(root = this.appDataPath) {
@@ -194,8 +420,8 @@ class Patcher {
     }
   }
 
-  applyPatches(replacements) {
-    const targetDirs = ['frontend', 'player'];
+  applyPatches(replacements, only = null) {
+    const targetDirs = ['frontend', 'player'].filter((d) => !only || only.includes(d));
     for (const dirName of targetDirs) {
       const dirPath = path.join(this.appDataPath, dirName);
       if (!fs.existsSync(dirPath)) continue;

release.js

@@ -2,6 +2,8 @@ const fs = require('fs');
 const path = require('path');
 const https = require('https');
 const { execSync } = require('child_process');
+const crypto = require('crypto');
+const UpdateClient = require('./update-client');
 
 const GITLAB_PROJECT_PATH = 'vyla-entertainment%2Fhome';
 const PROJECT_ID = process.env.CI_PROJECT_ID || GITLAB_PROJECT_PATH;
@@ -165,7 +167,7 @@ async function main() {
     console.log(`Building Vyla Home Release (${version})`);
 
     console.log('[1/4] Building update payload and manifest...');
-    execSync('node build-pipeline.js', { stdio: 'inherit' });
+    execSync('node build-pipeline.js', { stdio: 'inherit', env: { ...process.env, RELEASE_VERSION: version } });
 
     const payloadPath = path.join(__dirname, 'update-payload.zip');
     const manifestPath = path.join(__dirname, 'manifest.json');
@@ -217,6 +219,24 @@ async function main() {
         }
     }
 
+    if (installerPath && installerUploadName && process.platform === 'win32') {
+        const signingKey = process.env.VYLA_UPDATE_SIGNING_KEY;
+        if (!signingKey) {
+            throw new Error('VYLA_UPDATE_SIGNING_KEY is required to sign the installer entry.');
+        }
+        const installerBuf = fs.readFileSync(installerPath);
+        const signedManifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'));
+        signedManifest.installer = {
+            file: installerUploadName,
+            sha256: crypto.createHash('sha256').update(installerBuf).digest('hex'),
+            size: installerBuf.length,
+            version: version.replace(/^v/, '')
+        };
+        delete signedManifest.signature;
+        signedManifest.signature = crypto.sign(null, Buffer.from(UpdateClient.canonicalManifest(signedManifest)), signingKey.replace(/\\n/g, '\n')).toString('base64');
+        fs.writeFileSync(manifestPath, JSON.stringify(signedManifest, null, 2), 'utf8');
+    }
+
     console.log('[2/4] Uploading artifacts to GitLab Package Registry...');
     const timestamp = Date.now();
 
@@ -231,6 +251,13 @@ async function main() {
         { name: 'manifest.json', url: manifestUrl, link_type: 'other' }
     ];
 
+    const manifestData = JSON.parse(fs.readFileSync(manifestPath, 'utf8'));
+    for (const [name, c] of Object.entries(manifestData.components || {})) {
+        console.log(`Uploading ${c.file}...`);
+        const componentUrl = await uploadFileToGitLabPackage(path.join(__dirname, 'release-assets', c.file), 'vyla-home', version, `${name}-${timestamp}.zip`);
+        releaseLinks.push({ name: c.file, url: componentUrl, link_type: 'other' });
+    }
+
     if (installerPath && installerUploadName) {
         console.log(`Uploading installer ${installerUploadName}...`);
         const ext = path.extname(installerUploadName);

src-tauri/Cargo.lock

@@ -4073,7 +4073,7 @@ dependencies = [
 
 [[package]]
 name = "vyla-home"
-version = "1.1.52"
+version = "1.1.55"
 dependencies = [
  "objc2 0.5.2",
  "serde",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vyla-home"
-version = "1.1.52"
+version = "1.1.55"
 description = "Vyla Home Desktop App Launcher"
 edition = "2021"
 

src-tauri/build.rs

@@ -2,6 +2,18 @@ fn main() {
     println!("cargo:rerun-if-changed=src/main.rs");
     println!("cargo:rerun-if-changed=tauri.conf.json");
     println!("cargo:rerun-if-changed=capabilities");
+    for f in [
+        "main.js",
+        "service-manager.js",
+        "file-updater.js",
+        "patcher.js",
+        "crypto-utils.js",
+        "credential-manager.js",
+        "update-client.js",
+    ] {
+        println!("cargo:rerun-if-changed=../{}", f);
+    }
+    println!("cargo:rerun-if-changed=../config");
     
     if std::env::var("CARGO_CFG_TARGET_OS").unwrap_or_default() == "windows" {
         if let (Ok(manifest_dir), Ok(out_dir)) = (std::env::var("CARGO_MANIFEST_DIR"), std::env::var("OUT_DIR")) {

src-tauri/src/main.rs

@@ -733,6 +733,8 @@ fn main() {
                 .current_dir(&root_dir)
                 .env("APPDATA_PATH", &vyla_files_str)
                 .env("NODE_EXE", &node_bin)
+                .env("VYLA_APP_VERSION", env!("CARGO_PKG_VERSION"))
+                .env("VYLA_DEV", if cfg!(debug_assertions) { "1" } else { "0" })
                 .stdin(Stdio::piped())
                 .stdout(Stdio::piped())
                 .stderr(Stdio::piped());
@@ -796,6 +798,40 @@ fn main() {
                                 };
 
                                 match msg.event.as_str() {
+                                    "self-update" => {
+                                        let target = msg
+                                            .data
+                                            .get("path")
+                                            .and_then(|p| p.as_str())
+                                            .map(PathBuf::from);
+                                        if let Some(p) = target {
+                                            let name = p
+                                                .file_name()
+                                                .and_then(|n| n.to_str())
+                                                .unwrap_or("")
+                                                .to_string();
+                                            if name.starts_with("vyla-installer-")
+                                                && name.ends_with(".exe")
+                                                && p.exists()
+                                            {
+                                                let state: State<NodeServices> = w.state();
+                                                if let Ok(mut lock) = state.0.lock() {
+                                                    if let Some(mut child) = lock.take() {
+                                                        kill_child_process(&mut child);
+                                                    }
+                                                };
+                                                let mut installer = Command::new(&p);
+                                                installer.args(["/S", "/UPDATE"]);
+                                                #[cfg(windows)]
+                                                {
+                                                    use std::os::windows::process::CommandExt;
+                                                    installer.creation_flags(0x00000008 | 0x00000200);
+                                                }
+                                                let _ = installer.spawn();
+                                                w.app_handle().exit(0);
+                                            }
+                                        }
+                                    }
                                     "ready" => {
                                         if let Some(u) = msg.data.get("url").and_then(|u| u.as_str()) {
                                             if let Ok(mut g) = READY_URL.lock() {

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
     "$schema": "https://schema.tauri.app/config/2",
     "productName": "Vyla Home",
-    "version": "1.1.52",
+    "version": "1.1.55",
     "identifier": "com.vyla.home",
     "build": {
         "frontendDist": "../ui"

ui/index.html

@@ -85,7 +85,6 @@
             height: 70px;
             object-fit: contain;
             margin-bottom: 22px;
-            filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.35));
             user-select: none;
             -webkit-user-drag: none;
         }
@@ -101,7 +100,6 @@
             flex-wrap: wrap;
             justify-content: center;
             align-items: center;
-            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
         }
 
         .status-char {
@@ -162,20 +160,16 @@
             height: 100%;
             width: 0%;
             background: rgba(255, 255, 255, 0.95);
-            box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
             border-radius: 9999px;
             transition: width 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
         }
 
-
-
         #debug-log-box {
             display: none;
             width: 100%;
             max-height: 150px;
             overflow-y: auto;
             background: rgba(255, 59, 48, 0.18);
-            border: 1px solid rgba(255, 59, 48, 0.35);
             border-radius: 10px;
             padding: 12px;
             font-family: ui-monospace, SFMono-Regular, monospace;
@@ -187,6 +181,20 @@
             margin-bottom: 16px;
             user-select: text;
         }
+
+        .notice-line {
+            display: none;
+            max-width: 100%;
+            margin-bottom: 14px;
+            padding: 8px 12px;
+            border-radius: 10px;
+            background: rgba(255, 204, 102, 0.14);
+            color: #ffd98a;
+            font-size: 12px;
+            font-weight: 500;
+            text-align: center;
+            word-break: break-word;
+        }
     </style>
 </head>
 
@@ -199,6 +207,7 @@
         <div class="loader-card">
             <img class="app-icon" src="/white_favicon.png" alt="Vyla" draggable="false">
             <div class="status-text" id="status-message">Starting runtime engine...</div>
+            <div class="notice-line" id="notice-line"></div>
             <div id="debug-log-box"></div>
             <div class="file-line" id="file-line"></div>
             <div class="progress-track" id="progress-track" style="display: none;">
@@ -899,6 +908,19 @@ void main() {
                 if (data && data.message) setStatus(data.message);
             });
 
+            eventApi.listen("notice", (e) => {
+                const data = e.payload || e;
+                const el = document.getElementById("notice-line");
+                if (!el) return;
+                if (data && data.message) {
+                    el.textContent = data.message;
+                    el.style.display = "block";
+                } else {
+                    el.textContent = "";
+                    el.style.display = "none";
+                }
+            });
+
             eventApi.listen("download-progress", (e) => {
                 const data = e.payload || e;
                 if (data && typeof data.percent === "number") {

update-client.js

@@ -1,5 +1,14 @@
 const https = require('https');
 const fs = require('fs');
+const path = require('path');
+const crypto = require('crypto');
+
+const UPDATE_PUBLIC_KEY = `-----BEGIN PUBLIC KEY-----
+MCowBQYDK2VwAyEAKIuPPzTCGdTksi7hp+V4urau6mMQt2XhNlEfRVbjNZ4=
+-----END PUBLIC KEY-----`;
+const MIN_CHECK_INTERVAL_MS = 15 * 60 * 1000;
+const MAX_RETRY_AFTER_MS = 120000;
+const MAX_BACKOFF_MS = 6 * 60 * 60 * 1000;
 
 const GITLAB_GROUP = 'vyla-entertainment';
 const GITLAB_REPO = 'home';
@@ -25,25 +34,86 @@ function isAllowedHost(url) {
   }
 }
 
+function normalizeTag(v) {
+  return String(v || '').replace(/^v/, '').trim();
+}
+
+function canonicalManifest(manifest) {
+  const parts = Object.keys(manifest.components || {}).sort().map((name) => {
+    const c = manifest.components[name];
+    return `${name}:${c.file}:${c.sha256}:${c.id}:${c.size}`;
+  });
+  const lines = ['vyla-manifest-v2', normalizeTag(manifest.version), manifest.sha256, ...parts];
+  if (manifest.installer) {
+    const i = manifest.installer;
+    lines.push(`installer:${i.file}:${i.sha256}:${i.size}:${normalizeTag(i.version)}`);
+  }
+  return lines.join('\n');
+}
+
+function verifyManifest(manifest) {
+  if (!manifest || typeof manifest.signature !== 'string' || !manifest.components) return false;
+  try {
+    return crypto.verify(null, Buffer.from(canonicalManifest(manifest)), UPDATE_PUBLIC_KEY, Buffer.from(manifest.signature, 'base64'));
+  } catch (e) {
+    return false;
+  }
+}
+
 class UpdateClient {
   constructor(appDataPath, token = null) {
     this.appDataPath = appDataPath;
     this.token = token || process.env.GITLAB_TOKEN || process.env.VYLA_GITLAB_TOKEN || null;
   }
 
-  fetchJson(url) {
+  cachePath() {
+    return path.join(this.appDataPath, 'update-cache.json');
+  }
+
+  readCache() {
+    try {
+      return JSON.parse(fs.readFileSync(this.cachePath(), 'utf8'));
+    } catch (e) {
+      return {};
+    }
+  }
+
+  writeCache(patch) {
+    try {
+      fs.mkdirSync(this.appDataPath, { recursive: true });
+      fs.writeFileSync(this.cachePath(), JSON.stringify({ ...this.readCache(), ...patch }), 'utf8');
+    } catch (e) { }
+  }
+
+  recordFailure() {
+    const failures = (this.readCache().failures || 0) + 1;
+    const delay = Math.min(5 * 60 * 1000 * 2 ** (failures - 1), MAX_BACKOFF_MS);
+    this.writeCache({ failures, blockedUntil: Date.now() + delay });
+  }
+
+  recordSuccess() {
+    this.writeCache({ failures: 0, blockedUntil: 0 });
+  }
+
+  cacheUsable(release) {
+    return !!release && !!release.components && verifyManifest(release.manifest);
+  }
+
+  fetchJson(url, etag = null, attempt = 0) {
     return new Promise((resolve, reject) => {
       const urlObj = new URL(url);
       const headers = {
         'User-Agent': 'VylaHome-Client',
         'Accept': 'application/json',
-        'Cache-Control': 'no-cache',
-        'Pragma': 'no-cache'
+        'Cache-Control': 'no-cache'
       };
 
       if (this.token) {
         headers['PRIVATE-TOKEN'] = this.token;
       }
+      if (etag) {
+        headers['If-None-Match'] = etag;
+      }
 
       const requestOptions = {
         hostname: urlObj.hostname,
@@ -58,12 +128,23 @@ class UpdateClient {
         let data = '';
         res.on('data', (chunk) => { data += chunk; });
         res.on('end', () => {
+          if (res.statusCode === 304) {
+            resolve({ notModified: true, etag });
+            return;
+          }
+          if ((res.statusCode === 429 || res.statusCode >= 500) && attempt < 3) {
+            const retryAfter = parseInt(res.headers['retry-after'], 10);
+            const base = Number.isFinite(retryAfter) ? retryAfter * 1000 : 1000 * 2 ** attempt;
+            const wait = Math.min(base, MAX_RETRY_AFTER_MS) + Math.floor(Math.random() * 1000);
+            setTimeout(() => this.fetchJson(url, etag, attempt + 1).then(resolve, reject), wait);
+            return;
+          }
           if (res.statusCode !== 200) {
             reject(new Error(`HTTP ${res.statusCode}: ${res.statusMessage}`));
             return;
           }
           try {
-            resolve(JSON.parse(data));
+            resolve({ data: JSON.parse(data), etag: res.headers.etag || null });
           } catch (e) {
             reject(new Error('Invalid JSON response'));
           }
@@ -120,7 +201,13 @@ class UpdateClient {
           }
 
           if (res.statusCode !== 200) {
-            reject(new Error(`HTTP ${res.statusCode}: ${res.statusMessage}`));
+            res.resume();
+            const err = new Error(`HTTP ${res.statusCode}: ${res.statusMessage}`);
+            const retryAfter = parseInt(res.headers['retry-after'], 10);
+            if (Number.isFinite(retryAfter)) {
+              err.retryAfterMs = Math.min(retryAfter * 1000, MAX_RETRY_AFTER_MS);
+            }
+            reject(err);
             return;
           }
 
@@ -236,12 +323,32 @@ class UpdateClient {
     });
   }
 
-  async checkForUpdates() {
-    const query = `?per_page=20&order_by=released_at&sort=desc&cb=${Date.now()}`;
-    const releases = await this.fetchJson(RELEASES_API + query);
-    if (!releases || releases.length === 0) {
+  async checkForUpdates(force = false) {
+    const cache = this.readCache();
+    const now = Date.now();
+
+    if (!force && cache.blockedUntil && now < cache.blockedUntil) {
       return null;
     }
+    if (!force && cache.checkedAt && now - cache.checkedAt < MIN_CHECK_INTERVAL_MS && this.cacheUsable(cache.release)) {
+      return cache.release;
+    }
+
+    const listUrl = `${RELEASES_API}?per_page=20&order_by=released_at&sort=desc`;
+    let result = await this.fetchJson(listUrl, force ? null : cache.etag);
+    if (result.notModified) {
+      if (this.cacheUsable(cache.release)) {
+        this.writeCache({ checkedAt: now });
+        return cache.release;
+      }
+      result = await this.fetchJson(listUrl, null);
+    }
+
+    const releases = result.data;
+    if (!Array.isArray(releases) || releases.length === 0) {
+      return null;
+    }
+
     const verParts = (v) => String(v || '').replace(/^v/, '').split(/[.\-+]/).map((n) => parseInt(n, 10) || 0);
     const cmp = (a, b) => {
       const x = verParts(a);
@@ -252,25 +359,55 @@ class UpdateClient {
       return 0;
     };
     const release = releases.slice().sort((a, b) => cmp(b.tag_name, a.tag_name))[0];
+    const links = release.assets && release.assets.links ? release.assets.links : [];
+    const manifestAsset = links.find((a) => a.name === 'manifest.json');
 
-    const payloadAsset = (release.assets && release.assets.links ? release.assets.links : []).find(a => a.name === 'update-payload.zip');
-    const manifestAsset = (release.assets && release.assets.links ? release.assets.links : []).find(a => a.name === 'manifest.json');
-
-    if (!payloadAsset) {
-      return null;
+    if (!manifestAsset) {
+      throw new Error(`Release ${release.tag_name} has no manifest.json.`);
     }
 
-    let sha256 = null;
-    if (manifestAsset) {
-      const manifest = await this.fetchAssetJson(manifestAsset.url);
-      sha256 = manifest.sha256 || null;
+    const manifest = await this.fetchAssetJson(manifestAsset.url);
+    if (!manifest.components) {
+      throw new Error(`Release ${release.tag_name} has no signed component manifest.`);
+    }
+    if (!verifyManifest(manifest)) {
+      throw new Error('Update manifest signature is invalid.');
+    }
+    if (normalizeTag(manifest.version) !== normalizeTag(release.tag_name)) {
+      throw new Error('Update manifest version does not match the release tag.');
     }
 
-    return {
+    const components = {};
+    for (const [name, c] of Object.entries(manifest.components)) {
+      const link = links.find((a) => a.name === c.file);
+      if (!link) {
+        throw new Error(`Release is missing asset ${c.file}.`);
+      }
+      components[name] = { url: link.url, sha256: c.sha256, id: c.id, size: c.size };
+    }
+
+    let installer = null;
+    if (manifest.installer) {
+      const installerLink = links.find((a) => a.name === manifest.installer.file);
+      if (installerLink) {
+        installer = {
+          url: installerLink.url,
+          sha256: manifest.installer.sha256,
+          size: manifest.installer.size,
+          version: manifest.installer.version
+        };
+      }
+    }
+
+    const out = {
       version: release.tag_name,
-      url: payloadAsset.url,
-      sha256
+      sha256: manifest.sha256 || null,
+      manifest,
+      components,
+      installer
     };
+    this.writeCache({ checkedAt: now, etag: result.etag || null, release: out });
+    return out;
   }
 
   async downloadUpdate(release, destPath, onProgress) {
@@ -279,4 +416,7 @@ class UpdateClient {
   }
 }
 
+UpdateClient.canonicalManifest = canonicalManifest;
+UpdateClient.verifyManifest = verifyManifest;
+
 module.exports = UpdateClient;