tslint-config-security/dist/rules/tsrDetectSqlLiteralInjectionRule.js

TSLint security rules

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var Lint = require("tslint");
var ts = require("typescript");
var is_sql_query_1 = require("../is-sql-query");
var node_kind_1 = require("../node-kind");
var generalErrorMessage = 'Found possible SQL injection';
var Rule = (function (_super) {
    tslib_1.__extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithFunction(sourceFile, walk);
    };
    Rule.metadata = {
        ruleName: 'tsr-detect-sql-literal-injection',
        description: 'Warns when possible SQL injection is found',
        descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["Any usage of the unsafe string concatenation in SQL queries\n            will trigger a warning.\n            See https://github.com/webschik/tslint-config-security#tsr-detect-sql-literal-injection"], ["Any usage of the unsafe string concatenation in SQL queries\n            will trigger a warning.\n            See https://github.com/webschik/tslint-config-security#tsr-detect-sql-literal-injection"]))),
        optionsDescription: '',
        options: null,
        type: 'functionality',
        requiresTypeInfo: false,
        typescriptOnly: false
    };
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
    function visitNode(node) {
        switch (node.kind) {
            case ts.SyntaxKind.TemplateExpression: {
                var parent = node.parent;
                if ((!parent || parent.kind !== ts.SyntaxKind.TaggedTemplateExpression) &&
                    is_sql_query_1.isSqlQuery(node.getText().slice(1, -1))) {
                    ctx.addFailureAtNode(node, generalErrorMessage);
                }
                break;
            }
            case ts.SyntaxKind.BinaryExpression: {
                var left = node.left;
                if (left && node_kind_1.stringLiteralKinds.includes(left.kind) && is_sql_query_1.isSqlQuery(left.getText().slice(1, -1))) {
                    ctx.addFailureAtNode(left, generalErrorMessage);
                }
                break;
            }
            default:
        }
        return ts.forEachChild(node, visitNode);
    }
    return ts.forEachChild(ctx.sourceFile, visitNode);
}
var templateObject_1;