// Native worker proof: real policy publication, DLP, AV and independent receivers. import {createServer} from 'node:https'; import {createRequire} from 'node:module'; import {mkdtempSync,mkdirSync,rmSync,readFileSync} from 'node:fs'; import {tmpdir} from 'node:os'; import {join,resolve,sep} from 'node:path'; import {spawn} from 'node:child_process'; import {randomBytes} from 'node:crypto'; import net from 'node:net'; import {createApp} from '../apps/server/app.mjs'; import {openStore,digest} from '../apps/server/store.mjs'; import {startTelemetry} from '../apps/server/telemetry.mjs'; const collector='http://127.0.0.1:4318';if(!(await fetch(collector+'/health')).ok)throw Error('Protected collector unavailable'); process.env.OTEL_EXPORTER_OTLP_ENDPOINT=collector;const telemetry=startTelemetry(); const temporary=mkdtempSync(join(tmpdir(),'safetynet-worker-owner-'));mkdirSync('artifacts',{recursive:true}); if(!resolve(temporary).startsWith(resolve(tmpdir())+sep)||!temporary.split(/[\\/]/).at(-1).startsWith('safetynet-worker-owner-'))throw Error('Unsafe temporary fixture path'); const markers={core:'CORE_COMPANY_WORKER_LITERAL',yara:'YARA_WORKER_ONLY_SECRET',icap:'ICAP_WORKER_ONLY_SECRET'},facts={publicA:0,publicB:0,core:0,yara:0,icap:0,forbidden:0},avFacts={scans:0,workerScans:0,blocks:0},avSockets=new Set(); const av=net.createServer(socket=>{avSockets.add(socket);socket.on('close',()=>avSockets.delete(socket));socket.on('error',()=>{});let input=Buffer.alloc(0),done=false;socket.on('data',chunk=>{input=Buffer.concat([input,chunk]);if(input.length>4194304){input.fill(0);socket.destroy();return;}if(done||input.indexOf('\r\n\r\n')<0)return;const options=input.subarray(0,7).toString()==='OPTIONS';if(!options&&!input.subarray(-5).equals(Buffer.from('0\r\n\r\n')))return;done=true;if(options){input.fill(0);socket.end('ICAP/1.0 200 OK\r\nMethods: RESPMOD, REQMOD\r\nAllow: 204\r\nISTag: "worker-fixture"\r\nEncapsulated: null-body=0\r\n\r\n');return;}avFacts.scans++;if(input.includes(Buffer.from('public-worker-message')))avFacts.workerScans++;const blocked=input.includes(Buffer.from(markers.icap));if(blocked)avFacts.blocks++;input.fill(0);socket.end(blocked?'ICAP/1.0 204 No Content\r\nISTag: "worker-fixture"\r\nX-Infection-Found: Type=0; Threat=synthetic-worker;\r\n\r\n':'ICAP/1.0 204 No Content\r\nISTag: "worker-fixture"\r\n\r\n');});}).listen(0,'127.0.0.1');await new Promise(r=>av.once('listening',r)); const tls={cert:readFileSync('tests/fixtures/icap/cert.pem'),key:readFileSync('tests/fixtures/icap/key.pem')}; const forbidden=createServer(tls,(req,res)=>{facts.forbidden++;req.resume();res.end('public');}).listen(0,'127.0.0.2');await new Promise(r=>forbidden.once('listening',r)); const forbiddenOrigin=`https://127.0.0.2:${forbidden.address().port}`; const worker=`self.addEventListener('install',e=>e.waitUntil(self.skipWaiting()));self.addEventListener('activate',e=>e.waitUntil(self.clients.claim()));self.addEventListener('message',e=>{const p=e.ports[0];e.waitUntil((async()=>{try{const r=await fetch(e.data.url,{method:'POST',headers:{'content-type':'text/plain'},body:e.data.body,credentials:'include'});p.postMessage({ok:r.ok});}catch{p.postMessage({ok:false});}})());});`; const sink=createServer(tls,(req,res)=>{if(req.url==='/facts'){res.setHeader('content-type','application/json');res.end(JSON.stringify({facts,avFacts}));return;}if(req.url==='/sw.js'){res.setHeader('content-type','application/javascript');res.setHeader('service-worker-allowed','/');res.end(worker);return;}if(req.method==='POST'){let chunks=[],size=0;req.on('data',chunk=>{size+=chunk.length;if(size>65536){req.destroy();return;}chunks.push(chunk);});req.on('end',()=>{const body=Buffer.concat(chunks);for(const [kind,marker]of Object.entries(markers))if(body.includes(Buffer.from(marker)))facts[kind]++;if(body.equals(Buffer.from('public-worker-message'))){if(req.url==='/worker/a')facts.publicA++;else if(req.url==='/worker/b')facts.publicB++;}for(const chunk of chunks)chunk.fill(0);body.fill(0);chunks=[];res.end('accepted');});return;}if(req.url==='/seed-a')res.setHeader('set-cookie','worker-session=A; Secure; HttpOnly; SameSite=Strict; Path=/');if(req.url==='/seed-b')res.setHeader('set-cookie','worker-session=B; Secure; HttpOnly; SameSite=Strict; Path=/');res.setHeader('content-type','text/html');res.end('Public worker fixture

Public worker ownership fixture

');}).listen(0,'127.0.0.1');await new Promise(r=>sink.once('listening',r)); const origin=`https://127.0.0.1:${sink.address().port}`,store=openStore(join(temporary,'db')),code=randomBytes(32).toString('base64url'),adminToken=randomBytes(32).toString('base64url'); const p=store.get('policy');p.browser.homeUrl=origin+'/app';p.browser.allowAgentBackgroundWorkers=false;p.dlp.rules.push({id:'worker-core-fixture',label:'Synthetic confidential worker content',kind:'literal',value:markers.core,action:'block'});p.security.yara.enabled=true;p.security.yara.rules=[{id:'worker-yara-fixture',name:'Synthetic worker YARA',source:`rule worker_yara_fixture { strings: $a = "${markers.yara}" condition: $a }`}];p.enterprise.icap={...p.enterprise.icap,enabled:true,url:`icap://127.0.0.1:${av.address().port}/scan`,scanUploads:true,scanDownloads:false,scanClipboard:false,scanAI:false}; const scopes=['sessions','navigate','read','tabs:create','network:background'];p.agents={...p.agents,enabled:true,identityMode:'individual',scopes,allowedHosts:['127.0.0.1'],grants:['worker-a','worker-b'].map(id=>({id,name:id,enabled:true,expiresAt:new Date(Date.now()+3600000).toISOString(),scopes,allowedHosts:['127.0.0.1'],generation:1}))};p.diagnostics={...p.diagnostics,enabled:true,mode:'debug',endpoint:collector,sampleRate:1,debugSampleRate:1,flushIntervalMs:250};store.put('policy',p);store.db.prepare('INSERT INTO enrollments VALUES(?,?,?)').run(digest(code),Date.now()+600000,'worker-fixture'); const config={secure:false,publicUrl:'http://127.0.0.1',adminToken,requirePQManagement:true,requireIndependentPolicyApproval:true};const management=createApp(store,config).listen(0,'127.0.0.1');await new Promise(r=>management.once('listening',r));config.publicUrl=`http://127.0.0.1:${management.address().port}`;const reviewer=randomBytes(32).toString('base64url');store.db.prepare('INSERT INTO sessions VALUES(?,?,?)').run(digest(reviewer),Date.now()+600000,JSON.stringify({sub:'independent-worker-reviewer',role:'admin'})); const child=spawn(createRequire(import.meta.url)('electron'),['scripts/agent-worker-ownership-smoke.cjs'],{windowsHide:true,stdio:['ignore','pipe','pipe'],env:{...process.env,SAFETYNET_SMOKE_SERVER:config.publicUrl,SAFETYNET_SMOKE_CODE:code,SAFETYNET_SMOKE_ADMIN:adminToken,SAFETYNET_SMOKE_REVIEWER:reviewer,SAFETYNET_SMOKE_USERDATA:join(temporary,'browser'),SAFETYNET_SMOKE_ORIGIN:origin,SAFETYNET_SMOKE_FORBIDDEN_ORIGIN:forbiddenOrigin}});child.stdout.on('data',v=>process.stdout.write(v));child.stderr.on('data',v=>process.stderr.write(v));const deadline=setTimeout(()=>child.kill(),240000);const exit=await new Promise(r=>{child.once('exit',v=>r(v??1));child.once('error',()=>r(1));});clearTimeout(deadline); for(const socket of avSockets)socket.destroy();await new Promise(r=>av.close(r));for(const server of [management,sink,forbidden])server.closeAllConnections();await Promise.all([management,sink,forbidden].map(server=>new Promise(r=>server.close(r))));store.db.close();await telemetry?.shutdown();rmSync(temporary,{recursive:true,force:true});process.exit(exit);