stemedb/docs/demo/vulnbank/node/db.js
jordan b3e8a9a058 feat: Multi-application expansion with chaos testing and community UI
Major additions:
- Community Next.js app (port 18187) for browsing claims with API docs
- stemedb-chaos crate: Fault injection, chaos testing, CRDT properties
- Latent ingestion system: Reddit/FDA ingesters with ADK-Go agents
- Disputed claims handling: Manual review workflows and validation
- Aphoria security scanner: New extractors (SQL injection, command
  injection, weak crypto, TLS version), policy-based ignores, UAT reports
- Docker infrastructure: Dockerfile, docker-compose.yml for full stack
- VulnBank demo: Intentionally vulnerable multi-language test corpus

SDK & API enhancements:
- Source registry handlers for tracking data provenance
- Metrics endpoint
- Skeptic filtering improvements

Code quality:
- Split 14 large files (>500 lines) into focused modules
- All files now under 500-line limit per project guidelines

Documentation:
- Chaos testing guide, circuit breakers, observability docs
- Phase 7 UAT documentation updates
- Martin Kleppmann technical writer agent

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-04 01:24:14 -07:00

88 lines
2.0 KiB
JavaScript

/**
* VulnBank - Database Operations with intentional vulnerabilities
*
* Vulnerabilities:
* - SQL injection via template literals
* - SQL injection via string concatenation
*/
const mysql = require('mysql2/promise');
// BLOCK: Hardcoded database password
const pool = mysql.createPool({
host: 'localhost',
user: 'vulnbank',
password: 'password123',
database: 'vulnbank'
});
/**
* VULNERABILITY: SQL injection via template literal
* User input directly interpolated into SQL query
*/
async function getUserById(userId) {
const connection = await pool.getConnection();
try {
// BLOCK: SQL injection - template literal with user input
const [rows] = await connection.query(
`SELECT * FROM users WHERE id = '${userId}'`
);
return rows[0];
} finally {
connection.release();
}
}
/**
* VULNERABILITY: SQL injection via string concatenation
*/
async function searchProducts(name) {
const connection = await pool.getConnection();
try {
// BLOCK: SQL injection - string concatenation with user input
const query = "SELECT * FROM products WHERE name LIKE '%" + name + "%'";
const [rows] = await connection.query(query);
return rows;
} finally {
connection.release();
}
}
/**
* VULNERABILITY: SQL injection in DELETE statement
*/
async function deleteOrder(orderId) {
const connection = await pool.getConnection();
try {
// BLOCK: SQL injection - user input in DELETE query
await connection.query(`DELETE FROM orders WHERE id = ${orderId}`);
return true;
} finally {
connection.release();
}
}
/**
* Safe version for comparison - uses parameterized queries
*/
async function getUserByIdSafe(userId) {
const connection = await pool.getConnection();
try {
// This is the correct approach - parameterized query
const [rows] = await connection.query(
'SELECT * FROM users WHERE id = ?',
[userId]
);
return rows[0];
} finally {
connection.release();
}
}
module.exports = {
getUserById,
searchProducts,
deleteOrder,
getUserByIdSafe
};