CDN-introduced data corruption for 206 responses

async function hack(count){for(var i=0;i<count;i++){var token=((Math.random()*100000)|0);try{var r = await fetch("https://cjrtnc.leaningtech.com/3.0/8/jre/lib/jce.jar?hack2="+token, {"headers": { "range": "bytes=0-16384", }, "method": "GET", });var data=new Uint8Array(await r.arrayBuffer()); console.log(i, String.fromCharCode(data[0],data[1]));}catch(e){console.log(token,"ERROR");}}}hack(50)

async function hack(count){for(var i=0;i<count;i++){var token=((Math.random()*100000)|0);try{var r = await fetch("https://cjrtnc.leaningtech.com/3.0/8/jre/lib/jce.jar?hack2="+token, {"headers": { "range": "bytes=0-16384", }, "method": "GET", });var data=new Uint8Array(await r.arrayBuffer()); console.log(i, String.fromCharCode(data[0],data[1]));}catch(e){console.log(token,"ERROR");}}}hack(50)

import { execSync } from 'node:child_process';
import { createHash } from 'node:crypto';

async function test() {
  const cacheKey = createHash('sha256').update(crypto.getRandomValues(new Uint8Array(32)).toString()).digest('hex');

  const url = 'https://cjrtnc.leaningtech.com/3.0/8/jre/lib/jce.jar?cacheKey=' + cacheKey;
  console.log(`Testing: ${url}`);

  // Initial cache insert
  const initialCacheRes = await fetch(url, {
    headers: {
      range: "bytes=0-16384",
    },
  });
  const initialCacheBody = new Uint8Array(await initialCacheRes.arrayBuffer());
  console.log(`${initialCacheBody[0]}${initialCacheBody[1]}`, initialCacheRes.headers);

  // Cache hit
  const cacheHitRes = await fetch(url, {
    headers: {
      range: "bytes=0-16384",
    },
  });
  const cacheHitBody = new Uint8Array(await cacheHitRes.arrayBuffer());
  console.log(`${cacheHitBody[0]}${cacheHitBody[1]}`, cacheHitRes.headers);

  // Did we have bad data?
  if (initialCacheBody[0] !== cacheHitBody[0] || initialCacheBody[1] !== cacheHitBody[1]) {
    console.error('Cache hit did not match initial cache insert');
    return false;
  }
  return true;
}

async function run() {
  while (true) {
    const result = await test();
    if (!result) {
      process.exit(1);
    } else {
      console.log('\n\n');
    }
  }
}

run();

import { execSync } from 'node:child_process';
import { createHash } from 'node:crypto';

async function test() {
  const cacheKey = createHash('sha256').update(crypto.getRandomValues(new Uint8Array(32)).toString()).digest('hex');

  const url = 'https://cjrtnc.leaningtech.com/3.0/8/jre/lib/jce.jar?cacheKey=' + cacheKey;
  console.log(`Testing: ${url}`);

  // Initial cache insert
  const initialCacheRes = await fetch(url, {
    headers: {
      range: "bytes=0-16384",
    },
  });
  const initialCacheBody = new Uint8Array(await initialCacheRes.arrayBuffer());
  console.log(`${initialCacheBody[0]}${initialCacheBody[1]}`, initialCacheRes.headers);

  // Cache hit
  const cacheHitRes = await fetch(url, {
    headers: {
      range: "bytes=0-16384",
    },
  });
  const cacheHitBody = new Uint8Array(await cacheHitRes.arrayBuffer());
  console.log(`${cacheHitBody[0]}${cacheHitBody[1]}`, cacheHitRes.headers);

  // Did we have bad data?
  if (initialCacheBody[0] !== cacheHitBody[0] || initialCacheBody[1] !== cacheHitBody[1]) {
    console.error('Cache hit did not match initial cache insert');
    return false;
  }
  return true;
}

async function run() {
  while (true) {
    const result = await test();
    if (!result) {
      process.exit(1);
    } else {
      console.log('\n\n');
    }
  }
}

run();