[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_105":106,"_107":108},"routes/embed.x.$handle.$name.$",{"_9":10,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20,"_21":-5},"handle","sebas1","name","rumbo-guard-v08-node-b","path","main.ts","project",{"_22":45,"_11":12,"_33":46,"_47":-5,"_48":42,"_49":50,"_51":50,"_52":53,"_54":-5,"_55":56,"_57":25,"_58":32,"_59":-5,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68,"_69":70,"_71":-5,"_72":73,"_74":73,"_75":76,"_77":76,"_78":76,"_79":73,"_80":73,"_81":82,"_83":84,"_85":86,"_87":42},"file",{"_22":23,"_11":14,"_24":25,"_26":-5,"_27":28,"_29":30,"_31":32,"_33":34,"_35":36,"_37":38,"_39":40,"_41":42,"_43":-5,"_13":44},"permalink","https://www.val.town/x/sebas1/rumbo-guard-v08-node-b/code/main.ts","extension","id","e61a314c-522a-4ed2-902e-9d379418c527","fileId","76e5b41e-afce-11f1-9555-1607ee4eb77e","parentId","branchId","b9c7124d-dd6e-48da-9322-8a28b7983656","branchVersion",4,"latest",true,"createdAt",["D",1789343925502],"version",3,"fileType","http","content","import sqlite from \"https://esm.town/v/std/sqlite/main.ts\";\nimport * as ed from \"npm:@noble/ed25519@2.2.3\";\n\nconst PROVIDER_FAMILY = \"valtown\";\nconst PROVIDER_ID = \"valtown:sebas1/rumbo-guard-v08-node-b\";\nconst BROKER_PUBLIC = \"N0XOw7o8f14wIAOQRvcCkDGOwN7PDjXS6f6L93GyOuY\";\nconst APPROVER_PUBLIC = \"badOinyx_VSJeSW2xmIDj-6WeDub2SEP7CrogOjPRKU\";\nconst BROKER_AUDIENCE = \"rumbo-broker-v08\";\nconst DEPLOYMENT_DIGEST = \"777025b52967cdd8bc31a172789d1f056d2aa041017477b603187c450036011c\";\nconst te = new TextEncoder();\nconst td = new TextDecoder();\n\nfunction canon(v:any):string { if(v===null||typeof v!==\"object\") return JSON.stringify(v); if(Array.isArray(v)) return \"[\"+v.map(canon).join(\",\")+\"]\"; const ks=Object.keys(v).sort(); return \"{\"+ks.map(k=>JSON.stringify(k)+\":\"+canon(v[k])).join(\",\")+\"}\"; }\nfunction bytesToB64u(b:Uint8Array):string { let s=\"\"; for(const x of b)s+=String.fromCharCode(x); return btoa(s).replace(/\\+/g,\"-\").replace(/\\//g,\"_\").replace(/=+$/g,\"\"); }\nfunction b64uToBytes(s:string):Uint8Array { const p=s+\"=\".repeat((4-s.length%4)%4); const bin=atob(p.replace(/-/g,\"+\").replace(/_/g,\"/\")); const out=Uint8Array.from(bin,c=>c.charCodeAt(0)); if(bytesToB64u(out)!==s) throw new Error(\"B64\"); return out; }\nasync function sha256Bytes(b:Uint8Array):Promise{ return new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b)); }\nasync function sha256HexBytes(b:Uint8Array):Promise{ const d=await sha256Bytes(b); return [...d].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\"); }\nasync function sha256HexText(s:string):Promise{ return sha256HexBytes(te.encode(s)); }\nasync function keyId(pub:Uint8Array):Promise{ return (await sha256HexBytes(pub)).slice(0,32); }\nfunction isHex64(v:any):boolean { return typeof v===\"string\" && /^[0-9a-f]{64}$/.test(v); }\nfunction isNonce(v:any):boolean { return typeof v===\"string\" && /^[0-9a-f]{32}$/.test(v); }\nasync function rootSeed():Promise{ const v=Deno.env.get(\"RUMBO_V08_ROOT_SEED\"); if(!v) throw new Error(\"SECRET\"); const b=b64uToBytes(v); if(b.length!==32) throw new Error(\"SECRET\"); return b; }\nasync function roleSeed(role:string):Promise{ const root=await rootSeed(); const suffix=te.encode(\"rumbo-v08:\"+role); const mix=new Uint8Array(root.length+suffix.length); mix.set(root); mix.set(suffix,root.length); return sha256Bytes(mix); }\nasync function ensure(){ await sqlite.execute(`CREATE TABLE IF NOT EXISTS v08_replay(nonce TEXT PRIMARY KEY, exp INTEGER NOT NULL)`); await sqlite.execute(`CREATE TABLE IF NOT EXISTS v08_grants(nonce TEXT PRIMARY KEY, exp INTEGER NOT NULL)`); await sqlite.execute(`CREATE TABLE IF NOT EXISTS v08_witness(seq INTEGER PRIMARY KEY, head TEXT NOT NULL, previous_receipt_hash TEXT NOT NULL, observed_at INTEGER NOT NULL, signature TEXT NOT NULL, receipt_hash TEXT NOT NULL)`); }\nasync function consume(table:\"v08_replay\"|\"v08_grants\",nonce:string,exp:number):Promise{ await ensure(); const now=Math.floor(Date.now()/1000); try { await sqlite.execute({sql:`DELETE FROM ${table} WHERE exp < ?`,args:[now]}); await sqlite.execute({sql:`INSERT INTO ${table}(nonce,exp) VALUES (?,?)`,args:[nonce,exp]}); return true; } catch { return false; } }\nasync function verifyProviderRequest(req:any,op:string):Promise{ try { const e=req?.envelope, sig=req?.signature; if(!e||typeof sig!==\"string\"||e.v!==8||e.op!==op||e.deployment_digest!==DEPLOYMENT_DIGEST) return null; const now=Math.floor(Date.now()/1000), iat=Number(e.iat), exp=Number(e.exp); if(!Number.isInteger(iat)||!Number.isInteger(exp)||iat>now+30||exp300||!isNonce(e.nonce)) return null; if(!await ed.verifyAsync(b64uToBytes(sig),te.encode(canon(e)),b64uToBytes(BROKER_PUBLIC))) return null; if(!await consume(\"v08_replay\",e.nonce,exp)) return null; return e.body&&typeof e.body===\"object\"&&!Array.isArray(e.body)?e.body:null; } catch { return null; } }\nasync function verifyGrant(grant:string,permitDigest:string):Promise{ try { const p=grant.split(\".\"); if(p.length!==3||p[0]!==\"ag3\") return null; if(!await ed.verifyAsync(b64uToBytes(p[2]),te.encode(p[1]),b64uToBytes(APPROVER_PUBLIC))) return null; const g=JSON.parse(td.decode(b64uToBytes(p[1]))); const now=Math.floor(Date.now()/1000); const iat=Number(g.iat), exp=Number(g.exp); if(g.v!==3||g.broker_audience!==BROKER_AUDIENCE||g.deployment_digest!==DEPLOYMENT_DIGEST||g.permit_body_digest!==permitDigest) return null; if(!Number.isInteger(iat)||!Number.isInteger(exp)||iat>now+30||exp300||!isNonce(g.nonce)) return null; if(!await consume(\"v08_grants\",g.nonce,exp)) return null; return g; } catch { return null; } }\nasync function identity(){ const sp=await ed.getPublicKeyAsync(await roleSeed(\"signer\")); const wp=await ed.getPublicKeyAsync(await roleSeed(\"witness\")); return {v:8,provider_family:PROVIDER_FAMILY,provider_id:PROVIDER_ID,signer_public_key:bytesToB64u(sp),signer_key_id:await keyId(sp),witness_public_key:bytesToB64u(wp),witness_key_id:await keyId(wp)}; }\nasync function observe(body:any){ const seq=Number(body?.seq), head=String(body?.head||\"\"); if(!Number.isInteger(seq)||seq<1||!isHex64(head)) throw new Error(\"REJECT\"); await ensure(); const rows=await sqlite.execute({sql:\"SELECT seq,head,receipt_hash,previous_receipt_hash,observed_at,signature FROM v08_witness ORDER BY seq DESC LIMIT 1\"}); const last=(rows.rows||[])[0] as any; if(last&&Number(last.seq)===seq){ if(String(last.head)!==head) throw new Error(\"REJECT\"); const pub=await ed.getPublicKeyAsync(await roleSeed(\"witness\")); return {v:8,provider_family:PROVIDER_FAMILY,provider_id:PROVIDER_ID,key_id:await keyId(pub),seq,head,previous_receipt_hash:String(last.previous_receipt_hash),observed_at:Number(last.observed_at),signature:String(last.signature)}; } if((last?Number(last.seq):0)+1!==seq) throw new Error(\"REJECT\"); const pub=await ed.getPublicKeyAsync(await roleSeed(\"witness\")); const payload={v:8,provider_family:PROVIDER_FAMILY,provider_id:PROVIDER_ID,key_id:await keyId(pub),seq,head,previous_receipt_hash:last?String(last.receipt_hash):\"0\".repeat(64),observed_at:Math.floor(Date.now()/1000)}; const signature=bytesToB64u(await ed.signAsync(te.encode(canon(payload)),await roleSeed(\"witness\"))); const rh=await sha256HexText(canon({...payload,signature})); try { await sqlite.execute({sql:\"INSERT INTO v08_witness(seq,head,previous_receipt_hash,observed_at,signature,receipt_hash) VALUES (?,?,?,?,?,?)\",args:[seq,head,payload.previous_receipt_hash,payload.observed_at,signature,rh]}); } catch { throw new Error(\"REJECT\"); } return {...payload,signature}; }\nasync function signPermit(body:any){ const pb=body?.permit_body, grant=String(body?.approval_grant||\"\"); if(!pb||typeof pb!==\"object\"||Array.isArray(pb)) throw new Error(\"REJECT\"); const digest=await sha256HexText(canon(pb)); const g=await verifyGrant(grant,digest); if(!g) throw new Error(\"REJECT\"); if(pb.v!==8||pb.broker_audience!==BROKER_AUDIENCE||pb.deployment_digest!==DEPLOYMENT_DIGEST) throw new Error(\"REJECT\"); const now=Math.floor(Date.now()/1000), iat=Number(pb.iat), exp=Number(pb.exp); if(!Number.isInteger(iat)||!Number.isInteger(exp)||iat>now+30||exp300||exp>Number(g.exp)||!isNonce(pb.nonce)) throw new Error(\"REJECT\"); for(const k of [\"task_id\",\"plan_id\",\"policy_digest\",\"request_digest\"]) if(String(pb[k])!==String(g[k])) throw new Error(\"REJECT\"); if(!isHex64(pb.policy_digest)||!isHex64(pb.request_digest)) throw new Error(\"REJECT\"); const priv=await roleSeed(\"signer\"), pub=await ed.getPublicKeyAsync(priv); return {v:8,provider_family:PROVIDER_FAMILY,provider_id:PROVIDER_ID,key_id:await keyId(pub),permit_body_digest:digest,signature:bytesToB64u(await ed.signAsync(te.encode(canon(pb)),priv))}; }\nexport default async function(req:Request):Promise{ try { if(req.method===\"GET\") return Response.json(await identity(),{headers:{\"Cache-Control\":\"no-store\"}}); if(req.method!==\"POST\") return new Response(\"method\",{status:405}); const len=Number(req.headers.get(\"content-length\")||\"0\"); if(len>65536) return Response.json({ok:false,error:\"REJECTED\"},{status:413}); const raw=await req.json(); const op=raw?.envelope?.op; if(op!==\"observe\"&&op!==\"sign_permit\") return Response.json({ok:false,error:\"REJECTED\"},{status:400}); const body=await verifyProviderRequest(raw,op); if(!body) return Response.json({ok:false,error:\"REJECTED\"},{status:401}); const result=op===\"observe\"?await observe(body):await signPermit(body); return Response.json({ok:true,result},{headers:{\"Cache-Control\":\"no-store\"}}); } catch { return Response.json({ok:false,error:\"REJECTED\"},{status:400,headers:{\"Cache-Control\":\"no-store\"}}); } }\n","deleted",false,"label",[14],"84b6fc17-6f51-4919-ad1d-1852297f6891",["D",1789343671027],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","RUMBO v0.8 external trust node B","imageUrl","userId","d3788f19-13c5-4356-87e8-dce639626bb9","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount",0,"orgId","01a04116-f28c-754c-9173-77bf5814fcd6","tursoName","84b6fc176f514919ad1d1852297f6891","tursoHostname","84b6fc176f514919ad1d1852297f6891-val-town.aws-us-east-2.turso.io","tursoMeasuredAt",["D",1789519256886],"pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_9":10,"_104":100},"org",{"_9":10,"_97":98,"_99":100,"_55":56,"_101":102,"_103":42},"branch",{"_35":30,"_11":88,"_22":28,"_89":45,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":12,"_96":10},"isOwned","main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","displayName","sebas","avatar","https://lh3.googleusercontent.com/a/ACg8ocJaC6uiXPmN9dvgA2XcSlzBSkPJO0GN5zKzPm3a8cbjmXC9HYA=s96-c","tier","free","canRestrictVals","profileImageUrl","ctx",{"_81":-5,"_138":139,"_140":141,"_142":143,"_144":42,"_145":42,"_146":42,"_147":32,"_148":-5,"_149":-7,"_150":-7,"_151":62,"_152":42,"_153":42,"_154":-5,"_155":42,"_156":42,"_157":42,"_158":-5},"ENV",{"_109":110,"_111":112,"_113":88,"_114":115,"_116":117,"_118":119,"_120":121,"_122":123,"_124":125,"_126":127,"_128":129,"_130":131,"_132":133,"_134":135,"_136":137},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town","orgs",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]