eslint-plugin-sonarjs
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JavaScript
;
/*
* SonarQube JavaScript Plugin
* Copyright (C) SonarSource Sàrl
* mailto:info AT sonarsource DOT com
*
* You can redistribute and/or modify this program under the terms of
* the Sonar Source-Available License Version 1, as published by SonarSource Sàrl.
*
* 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/S5042/javascript
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.rule = void 0;
const generate_meta_js_1 = require("../helpers/generate-meta.js");
const module_js_1 = require("../helpers/module.js");
const ast_js_1 = require("../helpers/ast.js");
const meta = __importStar(require("./generated-meta.js"));
exports.rule = {
meta: (0, generate_meta_js_1.generateMeta)(meta, {
messages: {
safeExpanding: 'Make sure that expanding this archive file is safe here.',
},
}),
create(context) {
function isSensitiveTarCall(call, fqn) {
if (fqn === 'tar.x') {
const firstArg = call.arguments.length > 0 ? call.arguments[0] : null;
if (!firstArg) {
return false;
}
const firstArgValue = (0, ast_js_1.getValueOfExpression)(context, firstArg, 'ObjectExpression');
return (!!firstArgValue && !firstArgValue.properties.some(prop => canBeProperty(prop, 'filter')));
}
return false;
}
function isSensitiveExtractZipCall(call, fqn) {
if (fqn === 'extract-zip') {
const secondArg = call.arguments.length > 1 ? call.arguments[1] : null;
if (!secondArg) {
return false;
}
const secondArgValue = (0, ast_js_1.getValueOfExpression)(context, secondArg, 'ObjectExpression');
return (!!secondArgValue &&
!secondArgValue.properties.some(prop => canBeProperty(prop, 'onEntry')));
}
return false;
}
return {
CallExpression(node) {
const call = node;
const fqn = (0, module_js_1.getFullyQualifiedName)(context, call);
if (isSensitiveTarCall(call, fqn) ||
isSensitiveExtractZipCall(call, fqn) ||
fqn === 'jszip.loadAsync' ||
fqn === 'yauzl.open' ||
fqn === 'adm-zip.extractAllTo') {
context.report({
messageId: 'safeExpanding',
node: call.callee,
});
}
},
};
},
};
function canBeProperty(prop, name) {
return (prop.type === 'SpreadElement' ||
(0, ast_js_1.isIdentifier)(prop.key, name) ||
((0, ast_js_1.isLiteral)(prop.key) && prop.key.value === name));
}