freeCodeCamp/curriculum/challenges/english/06-information-security-and-quality-assurance/information-security-with-helmetjs/mitigate-the-risk-of-clickjacking-with-helmet.frameguard.english.md

id, title, challengeType, forumTopicId

id	title	challengeType	forumTopicId
587d8247367417b2b2512c38	Mitigate the Risk of Clickjacking with helmet.frameguard()	2	301582

Description

As a reminder, this project is being built upon the following starter project on Glitch, or cloned from GitHub. Your page could be put in a <frame> or <iframe> without your consent. This can result in clickjacking attacks, among other things. Clickjacking is a technique of tricking a user into interacting with a page different from what the user thinks it is. This can be obtained executing your page in a malicious context, by mean of iframing. In that context a hacker can put a hidden layer over your page. Hidden buttons can be used to run bad scripts. This middleware sets the X-Frame-Options header. It restricts who can put your site in a frame. It has three modes: DENY, SAMEORIGIN, and ALLOW-FROM. We don’t need our app to be framed.

Instructions

Use helmet.frameguard() passing with the configuration object {action: 'deny'}.

Tests

tests:
  - text: helmet.frameguard() middleware should be mounted correctly
    testString: getUserInput => $.get(getUserInput('url') + '/_api/app-info').then(data => { assert.include(data.appStack, 'frameguard', 'helmet.frameguard() middleware is not mounted correctly'); }, xhr => { throw new Error(xhr.responseText); })
  - text: helmet.frameguard() 'action' should be set to 'DENY'
    testString: getUserInput => $.get(getUserInput('url') + '/_api/app-info').then(data => { assert.property(data.headers, 'x-frame-options'); assert.equal(data.headers['x-frame-options'], 'DENY');}, xhr => { throw new Error(xhr.responseText); })

Challenge Seed

Solution

/**
  Backend challenges don't need solutions, 
  because they would need to be tested against a full working project. 
  Please check our contributing guidelines to learn more.
*/