tslint-microsoft-contrib/noCookiesRule.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var Lint = require("tslint");
var ErrorTolerantWalker_1 = require("./utils/ErrorTolerantWalker");
var Rule = (function (_super) {
    __extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.prototype.applyWithProgram = function (sourceFile, program) {
        return this.applyWithWalker(new NoCookiesWalker(sourceFile, this.getOptions(), program));
    };
    Rule.metadata = {
        ruleName: 'no-cookies',
        type: 'maintainability',
        description: 'Do not use cookies',
        options: null,
        optionsDescription: '',
        typescriptOnly: true,
        issueClass: 'SDL',
        issueType: 'Error',
        severity: 'Critical',
        level: 'Mandatory',
        group: 'Security',
        commonWeaknessEnumeration: '315, 539, 565, 614'
    };
    Rule.FAILURE_STRING = 'Forbidden call to document.cookie';
    return Rule;
}(Lint.Rules.TypedRule));
exports.Rule = Rule;
var NoCookiesWalker = (function (_super) {
    __extends(NoCookiesWalker, _super);
    function NoCookiesWalker(sourceFile, options, program) {
        var _this = _super.call(this, sourceFile, options) || this;
        _this.typeChecker = program.getTypeChecker();
        return _this;
    }
    NoCookiesWalker.prototype.visitPropertyAccessExpression = function (node) {
        var propertyName = node.name.text;
        if (propertyName === 'cookie') {
            var leftSide = node.expression;
            try {
                var leftSideType = this.typeChecker.getTypeAtLocation(leftSide);
                var typeAsString = this.typeChecker.typeToString(leftSideType);
                if (leftSideType.flags === ts.TypeFlags.Any || typeAsString === 'Document') {
                    this.addFailureAt(leftSide.getStart(), leftSide.getWidth(), Rule.FAILURE_STRING);
                }
            }
            catch (e) {
                if (leftSide.getFullText().trim() === 'document') {
                    this.addFailureAt(leftSide.getStart(), leftSide.getWidth(), Rule.FAILURE_STRING);
                }
            }
        }
        _super.prototype.visitPropertyAccessExpression.call(this, node);
    };
    return NoCookiesWalker;
}(ErrorTolerantWalker_1.ErrorTolerantWalker));
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