@aikidosec/firewall/vulnerabilities/sql-injection/detectSQLInjection.js

Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SQLInjectionDetectionResult = void 0;
exports.detectSQLInjection = detectSQLInjection;
const shouldReturnEarly_1 = require("./shouldReturnEarly");
// eslint-disable-next-line camelcase
const zen_internals_1 = require("../../internals/zen_internals");
exports.SQLInjectionDetectionResult = {
    SAFE: 0,
    INJECTION_DETECTED: 1,
    INTERNAL_ERROR: 2,
    FAILED_TO_TOKENIZE: 3,
};
function detectSQLInjection(query, userInput, dialect) {
    if ((0, shouldReturnEarly_1.shouldReturnEarly)(query, userInput)) {
        return exports.SQLInjectionDetectionResult.SAFE;
    }
    const code = (0, zen_internals_1.wasm_detect_sql_injection)(query.toLowerCase(), userInput.toLowerCase(), dialect.getWASMDialectInt());
    if (code === exports.SQLInjectionDetectionResult.SAFE ||
        code === exports.SQLInjectionDetectionResult.INJECTION_DETECTED ||
        code === exports.SQLInjectionDetectionResult.INTERNAL_ERROR ||
        code === exports.SQLInjectionDetectionResult.FAILED_TO_TOKENIZE) {
        return code;
    }
    throw new Error("Unexpected return code from WASM: " + code);
}