@cloud-copilot/iam-simulate/dist/esm/condition/date/date.js

Simulate evaluation of AWS IAM policies

import { isDefined, isNotDefined } from '../../util.js';
/**
 * Parse a string to an epoch date value
 *
 * @param value the string to parse
 * @returns the number or undefined if it cannot be parsed
 */
export function parseDate(value) {
    // An Integer such as 2024 will be interpreted as a unix epoch date
    // A unix epoch date
    const epochDate = parseInt(value, 10);
    if (isDefined(epochDate) && !isNaN(epochDate) && epochDate.toString() === value) {
        return epochDate;
    }
    // Date Values can be a date string: https://www.w3.org/TR/NOTE-datetime
    const dateNumber = Date.parse(value);
    if (isDefined(dateNumber) && !isNaN(dateNumber)) {
        return dateNumber;
    }
    return undefined;
}
/**
 * Test two values to see if they are dates or date epochs, if they are, run the check function
 *
 * @param policyValue
 * @param testValue
 * @param check
 * @returns
 */
export function checkIfDate(policyValue, testValue, check) {
    const policyDate = parseDate(policyValue);
    const testDate = parseDate(testValue);
    if (isNotDefined(policyDate)) {
        return {
            value: policyValue,
            matches: false,
            errors: [`${policyValue} is not a date`]
        };
    }
    if (isNotDefined(testDate)) {
        return {
            value: policyValue,
            matches: false,
            errors: [`request value '${testValue}' is not a date`]
        };
    }
    const matches = check(policyDate, testDate);
    return {
        value: policyValue,
        matches
    };
}
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