@hclsoftware/secagent/src/Hooks/SaveOrigMethods.js

IAST agent

//IASTIGNORE

// save orig method for use by the agent
// a separate file because we need those before we apply the hooks
// e.g. - it is used by logger

/*
 * ****************************************************
 * Licensed Materials - Property of HCL.
 * (c) Copyright HCL Technologies Ltd. 2017, 2025.
 * Note to U.S. Government Users *Restricted Rights.
 * ****************************************************
 */

const IastProperties = require('./IastProperties')

saveOrigMethod(['String', 'prototype'], 'concat', 'origConcat')
saveOrigMethod(['String', 'prototype'], 'replace', 'origReplace')
saveOrigMethod(['String', 'prototype'], 'toLowerCase', 'origToLowerCase')
saveOrigMethod(['String', 'prototype'], 'includes', 'origStringIncludes')
saveOrigMethod(['String', 'prototype'], 'replaceAll', 'origReplaceAll')
saveOrigMethod(['String', 'prototype'], 'match', 'origMatch')
saveOrigMethod(['String', 'prototype'], 'split', 'origSplit')
saveOrigMethod(['String', 'prototype'], 'toUpperCase', 'origToUpperCase')
saveOrigMethod(['String', 'prototype'], 'substring', 'origSubstring')
saveOrigMethod(['String', 'prototype'], 'trim', 'origTrim')
saveOrigMethod(['String', 'prototype'], 'startsWith', 'origStartsWith')
saveOrigMethod(['String', 'prototype'], 'endsWith', 'origEndsWith')
saveOrigMethod(['String', 'prototype'], 'lastIndexOf', 'origLastIndexOf')
saveOrigMethod(['String', 'prototype'], 'indexOf', 'origIndexOf')
saveOrigMethod(['String', 'prototype'], 'slice', 'origSlice')
saveOrigMethod(['String', 'prototype'], 'toString', 'origToString')
saveOrigMethod(['Array', 'prototype'], 'slice', 'origSlice')
saveOrigMethod(['Array', 'prototype'], 'join', 'origJoin')
saveOrigMethod(['Array', 'prototype'], 'includes', 'origArrayIncludes')
saveOrigMethod(['Array'], 'from', 'origFrom')
saveOrigMethod(['Buffer'], 'from', 'origFrom')
saveOrigMethod(['Buffer'], 'concat', 'origConcat')

saveOrigMethod(['RegExp', 'prototype'], 'test', 'origTest')

saveOrigMethod(['JSON'], 'stringify', 'origStringify')
saveOrigMethod(['JSON'], 'parse', 'origParse')

saveOrigMethod([], 'isNaN', 'origIsNaN')
saveOrigMethod(['Math'], 'random', 'origRandom')
saveOrigMethod([], 'Error', 'origError')

saveOrigMethod(['console'], 'log', 'origLog')
saveOrigMethod(['console'], 'error', 'origError')


// currently createHash is not added due to FP
// const crypto = require('crypto')
// IastProperties.definePropertyWithValue(crypto, 'origCreateHash', crypto['createHash'])

/**
 * Saves the original function with 'orig' prefixed name, to be able to call original methods in the Agent so hook code is ignored.
 * @function saveOrigMethod
 */
function saveOrigMethod(scopes, propertyName, newOrigPropertyName) {
    let hookScope = global
    for (const scope of scopes) {
        hookScope = hookScope[scope]
    }
    IastProperties.definePropertyWithValue(hookScope, newOrigPropertyName, hookScope[propertyName])
}