the-forest/client/node_modules/eslint-plugin-react/lib/rules/jsx-no-script-url.js

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2024-09-17 20:35:18 -04:00
/**
* @fileoverview Prevent usage of `javascript:` URLs
* @author Sergei Startsev
*/
'use strict';
const includes = require('array-includes');
const docsUrl = require('../util/docsUrl');
const linkComponentsUtil = require('../util/linkComponents');
const report = require('../util/report');
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
// https://github.com/facebook/react/blob/d0ebde77f6d1232cefc0da184d731943d78e86f2/packages/react-dom/src/shared/sanitizeURL.js#L30
/* eslint-disable-next-line max-len, no-control-regex */
const isJavaScriptProtocol = /^[\u0000-\u001F ]*j[\r\n\t]*a[\r\n\t]*v[\r\n\t]*a[\r\n\t]*s[\r\n\t]*c[\r\n\t]*r[\r\n\t]*i[\r\n\t]*p[\r\n\t]*t[\r\n\t]*:/i;
function hasJavaScriptProtocol(attr) {
return attr.value && attr.value.type === 'Literal'
&& isJavaScriptProtocol.test(attr.value.value);
}
function shouldVerifyProp(node, config) {
const name = node.name && node.name.name;
const parentName = node.parent.name && node.parent.name.name;
if (!name || !parentName || !config.has(parentName)) return false;
const attributes = config.get(parentName);
return includes(attributes, name);
}
function parseLegacyOption(config, option) {
option.forEach((opt) => {
config.set(opt.name, opt.props);
});
}
const messages = {
noScriptURL: 'A future version of React will block javascript: URLs as a security precaution. Use event handlers instead if you can. If you need to generate unsafe HTML, try using dangerouslySetInnerHTML instead.',
};
/** @type {import('eslint').Rule.RuleModule} */
module.exports = {
meta: {
docs: {
description: 'Disallow usage of `javascript:` URLs',
category: 'Best Practices',
recommended: false,
url: docsUrl('jsx-no-script-url'),
},
messages,
schema: {
anyOf: [
{
type: 'array',
items: [
{
type: 'array',
uniqueItems: true,
items: {
type: 'object',
properties: {
name: {
type: 'string',
},
props: {
type: 'array',
items: {
type: 'string',
uniqueItems: true,
},
},
},
required: ['name', 'props'],
additionalProperties: false,
},
},
{
type: 'object',
properties: {
includeFromSettings: {
type: 'boolean',
},
},
additionalItems: false,
},
],
additionalItems: false,
},
{
type: 'array',
items: [
{
type: 'object',
properties: {
includeFromSettings: {
type: 'boolean',
},
},
additionalItems: false,
},
],
additionalItems: false,
},
],
},
},
create(context) {
const options = context.options;
const hasLegacyOption = Array.isArray(options[0]);
const legacyOptions = hasLegacyOption ? options[0] : [];
// eslint-disable-next-line no-nested-ternary
const objectOption = (hasLegacyOption && options.length > 1)
? options[1]
: (options.length > 0
? options[0]
: {
includeFromSettings: false,
}
);
const includeFromSettings = objectOption.includeFromSettings;
const linkComponents = linkComponentsUtil.getLinkComponents(includeFromSettings ? context : {});
parseLegacyOption(linkComponents, legacyOptions);
return {
JSXAttribute(node) {
if (shouldVerifyProp(node, linkComponents) && hasJavaScriptProtocol(node)) {
report(context, messages.noScriptURL, 'noScriptURL', {
node,
});
}
},
};
},
};