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@skolhustick
Created July 27, 2019 14:46
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<!-- Add two inputs for "phoneNumber" and "code" -->
<input type="tel" id="phoneNumber" />
<input type="text" id="code" />
<!-- Add two buttons to submit the inputs -->
<button id="sign-in-button" onclick="submitPhoneNumberAuth()">
SIGN IN WITH PHONE
</button>
<button id="confirm-code" onclick="submitPhoneNumberAuthCode()">
ENTER CODE
</button>
<!-- Add a container for reCaptcha -->
<div id="recaptcha-container"></div>
<!-- Add the latest firebase dependecies from CDN -->
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-app.js"></script>
<script src="https://www.gstatic.com/firebasejs/6.3.3/firebase-auth.js"></script>
<script>
// Paste the config your copied earlier
var firebaseConfig = {
apiKey: "AIzaSyB8Kxq0YvdYQwsW1v9tDYDOw67flbMxdEU",
authDomain: "medium-d924f.firebaseapp.com",
databaseURL: "https://medium-d924f.firebaseio.com",
projectId: "medium-d924f",
storageBucket: "",
messagingSenderId: "488630368524",
appId: "1:488630368524:web:dad0e9e3dc65b2ff"
};
firebase.initializeApp(firebaseConfig);
// Create a Recaptcha verifier instance globally
// Calls submitPhoneNumberAuth() when the captcha is verified
window.recaptchaVerifier = new firebase.auth.RecaptchaVerifier(
"recaptcha-container",
{
size: "normal",
callback: function(response) {
submitPhoneNumberAuth();
}
}
);
// IF you want to hide the recaptcha, use 'invisible' the size
// window.recaptchaVerifier = new firebase.auth.RecaptchaVerifier(
// "sign-in-button",
// {
// size: "invisible",
// callback: function(response) {
// submitPhoneNumberAuth();
// }
// }
// );
// This function runs when the 'sign-in-button' is clicked
// Takes the value from the 'phoneNumber' input and sends SMS to that phone number
function submitPhoneNumberAuth() {
var phoneNumber = document.getElementById("phoneNumber").value;
var appVerifier = window.recaptchaVerifier;
firebase
.auth()
.signInWithPhoneNumber(phoneNumber, appVerifier)
.then(function(confirmationResult) {
window.confirmationResult = confirmationResult;
})
.catch(function(error) {
console.log(error);
});
}
// This function runs when the 'confirm-code' button is clicked
// Takes the value from the 'code' input and submits the code to verify the phone number
// Return a user object if the authentication was successful, and auth is complete
function submitPhoneNumberAuthCode() {
var code = document.getElementById("code").value;
confirmationResult
.confirm(code)
.then(function(result) {
var user = result.user;
console.log(user);
})
.catch(function(error) {
console.log(error);
});
}
//This function runs everytime the auth state changes. Use to verify if the user is logged in
firebase.auth().onAuthStateChanged(function(user) {
if (user) {
console.log("USER LOGGED IN")
} else {
// No user is signed in.
console.log("USER NOT LOGGED IN")
}
});
</script>
</body>
</html>
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