We could try to persist the token to our state and send that off again to the server for verification when the user resubmits, but reCaptcha allows a token to only be used for server verification once - so this approach would not work, we have to reset the reCaptcha. It is important to reset our reCaptcha ( this.$()) because if there is an error on the server (e.g the email is already in use) we will need to verify the user on the server again. Inside our onCaptchaVerified method we know that the user has been verified as human and we can proceed to submit the form to our server.Ī recaptchaToken is passed in to our onCaptchaVerified method and we can post that token together with our sign up form to verify once again on the server that the user has proved that they are not a bot. In this case, our handler is the onCaptchaVerified method. Once reCaptcha is confident that the user is human (with or without the challenge), it will call the verify handler specified on our vue-recaptcha component. reCaptcha suspects foul play and asks the user to complete a challenge to prove that they are human. reCaptcha is confident that the user is human and does not ask the user to complete a challenge 2. At this stage one of 2 things can happen: 1. Also in the submit method, we call this.$(), this tells reCaptcha to start checking if the user is indeed human. This way we can avoid multiple clicks and hence, multiple submits. We set this.status=submitting so that we can disable the sign up button. The submit method is called when the user pushes the sign up button. You will be presented with the following form: The Frontendįirst we need to create a reCaptcha instance. We will separate the the frontend and backend into a client and API. To do this we need to call the reCaptcha API. The first thing we do is verify that the token is correct. We will submit this token to our server, together with the sign up form.Until the user has been verified, this event will not be fired. Once verification is complete, reCaptcha will emit an event with a token that shows that the user has been verified.The user might be presented with a challenge to complete if reCaptcha is unable to determine, unobtrusively, whether or not they are human. We will be using an invisible reCaptcha, which means that the verification of a user can happen without them even knowing. Google reCaptcha kicks into gear to determine whether or not the user is not a bot.User fills in the signup form and submits.In this tutorial we’re going to look at how to add reCaptcha to register/ sign up page of a vuejs app to ensure that whoever signs up is in fact a human being. Google reCaptcha is a great way to keep any spam and fake accounts on your app/website in check. Click here to share this article on LinkedIn »
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