eslint-plugin-sonarjs
Version:
SonarJS rules for ESLint
98 lines (97 loc) • 3.61 kB
JavaScript
;
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Sonar Source-Available License Version 1, as published by SonarSource SA.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the Sonar Source-Available License for more details.
*
* You should have received a copy of the Sonar Source-Available License
* along with this program; if not, see https://sonarsource.com/license/ssal/
*/
// https://sonarsource.github.io/rspec/#/rspec/S1313/javascript
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const net_1 = require("net");
const index_js_1 = require("../helpers/index.js");
const meta_js_1 = require("./meta.js");
const netMaskRegex = /(^[^/]+)\/\d{1,3}$/;
const acceptedIpAddresses = ['255.255.255.255', '::1', '::', '0:0:0:0:0:0:0:1', '0:0:0:0:0:0:0:0'];
const ipV4Octets = 4;
const ipV4MappedToV6Prefix = '::ffff:0:';
const acceptedIpV6Starts = [
// https://datatracker.ietf.org/doc/html/rfc3849
'2001:db8:',
];
const acceptedIpV4Starts = [
'127.',
'0.',
// avoid FP for OID http://www.oid-info.com/introduction.htm
'2.5',
// https://datatracker.ietf.org/doc/html/rfc5737
'192.0.2.',
'198.51.100.',
'203.0.113.',
];
exports.rule = {
meta: (0, index_js_1.generateMeta)(meta_js_1.meta, {
messages: {
checkIP: 'Make sure using a hardcoded IP address {{ip}} is safe here.',
},
}),
create(context) {
function isException(ip) {
return (acceptedIpV6Starts.some(prefix => ip.startsWith(prefix)) ||
acceptedIpV4Starts.some(prefix => ip.startsWith(ipV4MappedToV6Prefix + prefix) || ip.startsWith(prefix)) ||
acceptedIpAddresses.includes(ip));
}
function isIPV4OctalOrHex(ip) {
const digits = ip.split('.');
if (digits.length !== ipV4Octets) {
return false;
}
const decimalDigits = [];
for (const digit of digits) {
if (digit.match(/^0[0-7]*$/)) {
decimalDigits.push(parseInt(digit, 8));
}
else if (digit.match(/^0[xX][0-9a-fA-F]+$/)) {
decimalDigits.push(parseInt(digit, 16));
}
else {
return false;
}
}
const convertedIp = `${decimalDigits[0]}.${decimalDigits[1]}.${decimalDigits[2]}.${decimalDigits[3]}`;
return !isException(convertedIp) && (0, net_1.isIP)(convertedIp) !== 0;
}
return {
Literal(node) {
const { value } = node;
if (typeof value !== 'string') {
return;
}
let ip = value;
const result = value.match(netMaskRegex);
if (result) {
ip = result[1];
}
if ((!isException(ip) && (0, net_1.isIP)(ip) !== 0) || isIPV4OctalOrHex(ip)) {
context.report({
node,
messageId: 'checkIP',
data: {
ip: value,
},
});
}
},
};
},
};