javascript – Google_Auth_Exception’,带有消息’获取OAuth2访问令牌时出错,消息：’invalid_grant’
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我正在尝试稍微改变Google网络登录服务器端流程,如Google Developer’s website所述.
我有一个员工登录页面(staff_login.php),它使用谷歌的JavaScript(plusone.js).
如果用户已登录Google,则Google的授权代码会存储到会话变量中.
如果用户未登录,则会显示“员工登录”按钮.如果用户点击该按钮,则会发生Google授权,如果成功,则Google的授权代码会存储到会话变量中.
在这两种情况下,在存储会话变量之后,用户将被重定向到另一个网页(google_login.php).
大多数情况下,登录过程按预期工作,但有时google_login.php会生成错误消息：Google_Auth_Exception’,并显示消息’获取OAuth2访问令牌时出错,消息：’invalid_grant’.
我很确定问题出在signInCallback函数中.如何使其防弹？
这是(缩减)代码：
staff_login.php
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="google-signin-clientid"
content="CLIENT-ID.apps.googleusercontent.com">
<meta name="google-signin-scope" content="email">
<meta name="google-signin-cookiepolicy" content="single_host_origin">
<meta name="google-signin-callback" content="signInCallback">
<title>Login</title>
</head>
<body>
<button id="xyzStaffSignIn">Staff Sign In</button>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"
type="text/javascript"></script>
<script type = "text/javascript" >
jQuery(document).ready(function ($) {
console.log('Google (plusone.js) will invoke signInCallback');
window.___gcfg = {
lang: 'en-GB',
parsetags: 'onload'
};
var po = document.createElement('script');
po.type = 'text/javascript';
po.async = true;
po.src = 'https://apis.google.com/js/client:plusone.js';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(po, s);
});
function signInCallback(authResult) {
if (authResult) {
if (authResult['error'] == undefined) {
if (authResult['code']) {
setSessionValue('GoogleAuthorisationCode',
authResult['code'], callGoogleLogin);
}
} else if (authResult['error']) {
// There was an error.
// Possible error codes:
// "access_denied" - User denied access to your app
// "immediate_failed" - Could not automatically log in the user
console.log('There was an error: ' + authResult['error']);
if (!authResult['status']['signed_in']) {
console.log('gapi.signin.render will invoke signInCallback');
gapi.signin.render('xyzStaffSignIn');
}
} else {
console.log('Empty authResult'); // Something went wrong
}
}
}
function setSessionValue(key, value, callback) {
$.post(
'session.php',
{
xyzAction: 'set',
xyzKey: key,
xyzValue: value
},
function (result) {
// Handle or verify the server response if necessary.
if (result['status'] == undefined) {
alert('xyz status problem. Please email our IT department!');
} else {
switch (result['status']) {
case 'Success':
callback();
break;
default:
alert('xyz unexpected status problem.
Please email our IT department!');
console.log(result['status']);
}
}
}
)
}
function callGoogleLogin() {
gapi.client.load('plus', 'v1', loadProfile);
}
/**
* Uses the JavaScript API to request the user's profile, which includes
* their basic information. When the plus.profile.emails.read scope is
* requested, the response will also include the user's primary email address
* and any other email addresses that the user made public.
*/
function loadProfile() {
var request = gapi.client.plus.people.get({'userId': 'me'});
request.execute(loadProfileCallback);
}
/**
* Callback for the asynchronous request to the people.get method. The profile
* and email are set to global variables. Triggers the user's basic profile
* to display when called.
*/
function loadProfileCallback(profile) {
var emailAddress;
// Filter the emails object to find the user's primary account, which might
// not always be the first in the array. The filter() method supports IE9+.
emailAddress = profile['emails'].filter(function (v) {
return v.type === 'account'; // Filter out the primary email
})[0].value; // get the email from the filtered results, should always be defined.
var domain = emailAddress.replace(/.*@/, "");
if ("xyz.com" == domain) {
window.location.href = "google_login.php?xyzEmailAddress=" + emailAddress;
} else {
alert(emailAddress + ' is not a recognized xyz staff member email address.');
}
}
</script>
</body>
</html>google_login.php
<?php
// This code is called from the javascript on the login screen only
// AFTER Google authorization has succeeded
// Google_Client is as defined at
// https://github.com/google/google-api-php-client/blob/master/src/Google/Client.php
$googleClient = new Google_Client ();
$googleClient->setRedirectUri('postmessage');
$googleClient->authenticate($_SESSION['GoogleAuthorizationCode']);解决方法:
需要在这里从左侧面板添加/启用API https://console.developers.google.com.
我添加的API是“google API”和“gmail API”.我试过,它对我有用.
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