forked from firebase/quickstart-js
-
Notifications
You must be signed in to change notification settings - Fork 0
/
google-credentials.html
229 lines (209 loc) · 9.24 KB
/
google-credentials.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
<!DOCTYPE html>
<!--
Copyright (c) 2016 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
<meta charset=utf-8 />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!--
Note that Google Sign In does not work from a file URL. You will need to make
this page available from a web server, either from localhost or using Firebase
Hosting.
Whichever domain it is running on, you'll have to add the origin for that domain
in the Google Developer Console: https://console.developers.google.com, search
for Credentials and create a new credential > OAuth client ID > web application,
and set the domain as an authorised origin (e.g. http://localhost:8000 or https://foo.bar).
-->
<!-- [START google_config] -->
<!-- **********************************************
* TODO(DEVELOPER): Use your Client ID below. *
********************************************** -->
<meta name="google-signin-client_id" content="YOUR_CLIENT_ID">
<meta name="google-signin-cookiepolicy" content="single_host_origin">
<meta name="google-signin-scope" content="profile email">
<!-- [END google_config] -->
<title>Google Sign In Example</title>
<!-- Material Design Theming -->
<link rel="stylesheet" href="https://code.getmdl.io/1.1.3/material.orange-indigo.min.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<script defer src="https://code.getmdl.io/1.1.3/material.min.js"></script>
<link rel="stylesheet" href="main.css">
<!-- Google Sign In -->
<script src="https://apis.google.com/js/platform.js" async defer></script>
<!-- Firebase -->
<!-- ***********************************************************************************************************************
* TODO(DEVELOPER): Paste the initialization snippet from: Firebase Console > Overview > Add Firebase to your web app. *
*********************************************************************************************************************** -->
<script type="text/javascript">
// [START googlecallback]
function onSignIn(googleUser) {
console.log('Google Auth Response', googleUser);
// We need to register an Observer on Firebase Auth to make sure auth is initialized.
var unsubscribe = firebase.auth().onAuthStateChanged(function(firebaseUser) {
unsubscribe();
// Check if we are already signed-in Firebase with the correct user.
if (!isUserEqual(googleUser, firebaseUser)) {
// Build Firebase credential with the Google ID token.
// [START googlecredential]
var credential = firebase.auth.GoogleAuthProvider.credential(
googleUser.getAuthResponse().id_token);
// [END googlecredential]
// Sign in with credential from the Google user.
// [START authwithcred]
firebase.auth().signInWithCredential(credential).catch(function(error) {
// Handle Errors here.
var errorCode = error.code;
var errorMessage = error.message;
// The email of the user's account used.
var email = error.email;
// The firebase.auth.AuthCredential type that was used.
var credential = error.credential;
// [START_EXCLUDE]
if (errorCode === 'auth/account-exists-with-different-credential') {
alert('You have already signed up with a different auth provider for that email.');
// If you are using multiple auth providers on your app you should handle linking
// the user's accounts here.
} else {
console.error(error);
}
// [END_EXCLUDE]
});
// [END authwithcred]
} else {
console.log('User already signed-in Firebase.');
}
});
}
// [END googlecallback]
/**
* Check that the given Google user is equals to the given Firebase user.
*/
// [START checksameuser]
function isUserEqual(googleUser, firebaseUser) {
if (firebaseUser) {
var providerData = firebaseUser.providerData;
for (var i = 0; i < providerData.length; i++) {
if (providerData[i].providerId === firebase.auth.GoogleAuthProvider.PROVIDER_ID &&
providerData[i].uid === googleUser.getBasicProfile().getId()) {
// We don't need to reauth the Firebase connection.
return true;
}
}
}
return false;
}
// [END checksameuser]
/**
* Handle the sign out button press.
*/
function handleSignOut() {
var googleAuth = gapi.auth2.getAuthInstance();
googleAuth.signOut().then(function() {
firebase.auth().signOut();
});
}
/**
* initApp handles setting up the Firebase context and registering
* callbacks for the auth status.
*
* The core initialization is in firebase.App - this is the glue class
* which stores configuration. We provide an app name here to allow
* distinguishing multiple app instances.
*
* This method also registers a listener with firebase.auth().onAuthStateChanged.
* This listener is called when the user is signed in or out, and that
* is where we update the UI.
*
* When signed in, we also authenticate to the Firebase Realtime Database.
*/
function initApp() {
// Auth state changes.
// [START authstatelistener]
firebase.auth().onAuthStateChanged(function(user){
if (user) {
// User is signed in.
var displayName = user.displayName;
var email = user.email;
var emailVerified = user.emailVerified;
var photoURL = user.photoURL;
var isAnonymous = user.isAnonymous;
var uid = user.uid;
var refreshToken = user.refreshToken;
var providerData = user.providerData;
// [START_EXCLUDE]
document.getElementById('quickstart-sign-in-status').textContent = 'Signed in';
document.getElementById('signout').disabled = false;
document.getElementById('quickstart-account-details').textContent = JSON.stringify({
displayName: displayName,
email: email,
emailVerified: emailVerified,
photoURL: photoURL,
isAnonymous: isAnonymous,
uid: uid,
refreshToken: refreshToken,
providerData: providerData
}, null, ' ');
// [END_EXCLUDE]
} else {
// User is signed out.
// [START_EXCLUDE]
document.getElementById('quickstart-sign-in-status').textContent = 'Signed out';
document.getElementById('signout').disabled = true;
document.getElementById('quickstart-account-details').textContent = 'null';
// [END_EXCLUDE]
}
});
// [END authstatelistener]
document.getElementById('signout').addEventListener('click', handleSignOut, false);
}
window.onload = function() {
initApp();
};
</script>
</head>
<body>
<div class="demo-layout mdl-layout mdl-js-layout mdl-layout--fixed-header">
<!-- Header section containing title -->
<header class="mdl-layout__header mdl-color-text--white mdl-color--light-blue-700">
<div class="mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-grid">
<div class="mdl-layout__header-row mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--8-col-desktop">
<a href="/"><h3>Firebase Authentication</h3></a>
</div>
</div>
</header>
<main class="mdl-layout__content mdl-color--grey-100">
<div class="mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-grid">
<!-- Container for the demo -->
<div class="mdl-card mdl-shadow--2dp mdl-cell mdl-cell--12-col mdl-cell--12-col-tablet mdl-cell--12-col-desktop">
<div class="mdl-card__title mdl-color--light-blue-600 mdl-color-text--white">
<h2 class="mdl-card__title-text">Google Authentication with OAuth Credentials</h2>
</div>
<div class="mdl-card__supporting-text mdl-color-text--grey-600">
<p>Sign in with your Google account below.</p>
<!-- [START google_button] -->
<div class="g-signin2" data-onsuccess="onSignIn" data-theme="dark"></div>
<!-- [END google_button] -->
<br>
<button disabled class="mdl-button mdl-js-button mdl-button--raised" id="signout" name="signout">Sign Out</button>
<div class="quickstart-user-details-container">
Firebase sign-in status: <span id="quickstart-sign-in-status">Unknown</span>
<div>Firebase auth <code>currentUser</code> object value:</div>
<pre><code id="quickstart-account-details">null</code></pre>
</div>
</div>
</div>
</div>
</main>
</div>
</body>
</html>