CyberChef/src/core/operations/JPathExpression.mjs

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/**
* @author Matt C (matt@artemisbot.uk)
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import jpath from "jsonpath";
import Operation from "../Operation";
import OperationError from "../errors/OperationError";
/**
* JPath expression operation
*/
class JPathExpression extends Operation {
/**
* JPathExpression constructor
*/
constructor() {
super();
this.name = "JPath expression";
this.module = "Code";
this.description = "Extract information from a JSON object with a JPath query.";
this.infoURL = "http://goessner.net/articles/JsonPath/";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Query",
"type": "string",
"value": ""
},
{
"name": "Result delimiter",
"type": "binaryShortString",
"value": "\\n"
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const [query, delimiter] = args;
let results,
obj;
try {
obj = JSON.parse(input);
} catch (err) {
throw new OperationError(`Invalid input JSON: ${err.message}`);
}
try {
results = jpath.query(obj, query);
} catch (err) {
throw new OperationError(`Invalid JPath expression: ${err.message}`);
}
return results.map(result => JSON.stringify(result)).join(delimiter);
}
}
export default JPathExpression;