no-angularjs-enable-svg.js

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

/**
 * @fileoverview Rule to disallow enabling SVG in AngularJS apps
 * @author Antonios Katopodis
 */

"use strict";

module.exports = {
  meta: {
    type: "suggestion",
    fixable: "code",
    schema: [],
    docs: {
      category: "Security",
      description:
        "Calls to $sanitizeProvider.enableSvg(true) increase attack surface of the application by enabling SVG support in AngularJS sanitizer and need to be reviewed.",
      url: "https://github.com/microsoft/eslint-plugin-sdl/blob/master/docs/rules/no-angularjs-enable-svg.md"
    },
    messages: {
      doNotEnableSVG: "Do not enable SVG support in AngularJS"
    }
  },
  create: function (context) {
    return {
      "CallExpression[callee.object.name='$sanitizeProvider'][callee.property.name='enableSvg']"(
        node
      ) {
        // Known false positives
        if (
          (node.arguments != undefined && node.arguments.length != 1) ||
          (node.arguments[0].type == "Literal" &&
            (node.arguments[0].value == "false" || node.arguments[0].value == "0"))
        ) {
          return;
        }
        context.report({
          node: node,
          messageId: "doNotEnableSVG"
        });
      }
    };
  }
};

// TODO: Add rules for $sanitizeProvider.addValidElements() and $sanitizeProvider.addValidAttrs()