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index.html
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<!--
/*
*
* Copyright 2015 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>
<title>{{ APPLICATION_NAME }}</title>
<script type="text/javascript">
var auth2 = auth2 || {};
(function() {
var po = document.createElement('script');
po.type = 'text/javascript'; po.async = true;
po.src = 'https://plus.google.com/js/client:plusone.js?onload=startApp';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(po, s);
})();
</script>
<!-- JavaScript specific to this application that is not related to API
calls -->
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" ></script>
</head>
<style>
#customBtn {
width: 155px;
}
#customBtn:hover {
box-shadow: 2px 2px 3px #888888;
border-radius: 5px;
cursor: hand;
}
</style>
<body>
<div id="gConnect" >
<img id="customBtn" src="/signin_button.png" onClick="signInClick()"
alt="Sign in with Google+" />
</div>
<div id="authOps" style="display:none">
<h2>User is now signed in to the app using Google+</h2>
<p>If the user chooses to disconnect, the app must delete all stored
information retrieved from Google for the given user.</p>
<button id="disconnect" >Disconnect your Google account from this app</button>
<h2>User's profile information</h2>
<p>This data is retrieved client-side by using the Google JavaScript API
client library.</p>
<div id="profile"></div>
<h2>User's friends that are visible to this app</h2>
<p>This data is retrieved from your server, where your server makes
an authorized HTTP request on the user's behalf.</p>
<p>If your app uses server-side rendering, this is the section you
would change using your server-side templating system.</p>
<div id="visiblePeople"></div>
<h2>Authentication Logs</h2>
<pre id="authResult"></pre>
</div>
</body>
<script type="text/javascript">
var helper = (function() {
var authResult = undefined;
return {
/**
* Hides the sign-in button and connects the server-side app after
* the user successfully signs in.
*
* @param {Object} authResult An Object which contains the access token and
* other authentication information.
*/
onSignInCallback: function(authResult) {
$('#authResult').html('Auth Result:<br/>');
for (var field in authResult) {
$('#authResult').append(' ' + field + ': ' + authResult[field] + '<br/>');
}
if (authResult['access_token']) {
// The user is signed in
this.authResult = authResult;
// After we load the Google+ API, render the profile data from Google+.
gapi.client.load('plus','v1',this.renderProfile);
// After we load the profile, retrieve the list of people visible to
// this app, server-side.
helper.people();
} else if (authResult['error']) {
// There was an error, which means the user is not signed in.
// As an example, you can troubleshoot by writing to the console:
console.log('There was an error: ' + authResult['error']);
$('#authResult').append('Logged out');
$('#authOps').hide('slow');
$('#gConnect').show();
}
console.log('authResult', authResult);
},
/**
* Retrieves and renders the authenticated user's Google+ profile.
*/
renderProfile: function() {
var request = gapi.client.plus.people.get( {'userId' : 'me'} );
request.execute(function(profile) {
$('#profile').empty();
if (profile.error) {
$('#profile').append(profile.error);
return;
}
$('#profile').append(
$('<p><img src=\"' + profile.image.url + '\"></p>'));
$('#profile').append(
$('<p>Hello ' + profile.displayName + '!<br />Tagline: ' +
profile.tagline + '<br />About: ' + profile.aboutMe + '</p>'));
if (profile.cover && profile.coverPhoto) {
$('#profile').append(
$('<p><img src=\"' + profile.cover.coverPhoto.url + '\"></p>'));
}
});
$('#authOps').show('slow');
$('#gConnect').hide();
},
/**
* Calls the server endpoint to disconnect the app for the user.
*/
disconnectServer: function() {
// Revoke the server tokens
$.ajax({
type: 'POST',
url: $(location).attr('origin') + '/disconnect',
async: false,
success: function(result) {
console.log('revoke response: ' + result);
$('#authOps').hide();
$('#profile').empty();
$('#visiblePeople').empty();
$('#authResult').empty();
$('#gConnect').show();
},
error: function(e) {
console.log(e);
}
});
},
/**
* Calls the server endpoint to connect the app for the user. The client
* sends the one-time authorization code to the server and the server
* exchanges the code for its own tokens to use for offline API access.
* For more information, see:
* https://developers.google.com/+/web/signin/server-side-flow
*/
connectServer: function(code) {
console.log(code);
$.ajax({
type: 'POST',
url: $(location).attr('origin') + '/connect?state={{ STATE }}',
contentType: 'application/octet-stream; charset=utf-8',
success: function(result) {
console.log(result);
helper.people();
onSignInCallback(auth2.currentUser.get().getAuthResponse());
},
processData: false,
data: code
});
},
/**
* Calls the server endpoint to get the list of people visible to this app.
* @param success Callback called on success.
* @param failure Callback called on error.
*/
people: function(success, failure) {
success = success || function(result) { helper.appendCircled(result); };
$.ajax({
type: 'GET',
url: $(location).attr('origin') + '/people',
contentType: 'application/octet-stream; charset=utf-8',
success: success,
error: failure,
processData: false
});
},
/**
* Displays visible People retrieved from server.
*
* @param {Object} people A list of Google+ Person resources.
*/
appendCircled: function(people) {
$('#visiblePeople').empty();
$('#visiblePeople').append('Number of people visible to this app: ' +
people.totalItems + '<br/>');
for (var personIndex in people.items) {
person = people.items[personIndex];
$('#visiblePeople').append('<img src="' + person.image.url + '">');
}
},
};
})();
/**
* Perform jQuery initialization and check to ensure that you updated your
* client ID.
*/
$(document).ready(function() {
$('#disconnect').click(helper.disconnectServer);
if ($('[data-clientid="YOUR_CLIENT_ID"]').length > 0) {
alert('This sample requires your OAuth credentials (client ID) ' +
'from the Google APIs console:\n' +
' https://code.google.com/apis/console/#:access\n\n' +
'Find and replace YOUR_CLIENT_ID with your client ID and ' +
'YOUR_CLIENT_SECRET with your client secret in the project sources.'
);
}
});
/**
* Called after the Google client library has loaded.
*/
function startApp() {
gapi.load('auth2', function(){
// Retrieve the singleton for the GoogleAuth library and setup the client.
gapi.auth2.init({
client_id: '{{ CLIENT_ID }}',
cookiepolicy: 'single_host_origin',
fetch_basic_profile: false,
scope: 'https://www.googleapis.com/auth/plus.login'
}).then(function (){
console.log('init');
auth2 = gapi.auth2.getAuthInstance();
auth2.then(function() {
var isAuthedCallback = function () {
onSignInCallback(auth2.currentUser.get().getAuthResponse())
}
helper.people(isAuthedCallback);
});
});
});
}
/**
* Either signs the user in or authorizes the back-end.
*/
function signInClick() {
var signIn = function(result) {
auth2.signIn().then(
function(googleUser) {
onSignInCallback(googleUser.getAuthResponse());
}, function(error) {
alert(JSON.stringify(error, undefined, 2));
});
};
var reauthorize = function() {
auth2.grantOfflineAccess().then(
function(result){
helper.connectServer(result.code);
});
};
helper.people(signIn, reauthorize);
}
/**
* Calls the helper method that handles the authentication flow.
*
* @param {Object} authResult An Object which contains the access token and
* other authentication information.
*/
function onSignInCallback(authResult) {
helper.onSignInCallback(authResult);
}
</script>
</html>