Google Oauth2 获取用户信息，遇到一个诡异的问题-php教程-PHP中文网

Google Oauth2 获取用户信息，遇到一个诡异的问题

php中文网

发布： 2016-06-06 20:18:12

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异常描述
我使用帐号 a 登录授权以后，获取到帐号 a 的信息，然后退出。
再使用另一个帐号 b 登陆授权以后，获取的信息依然是帐号 a 的信息。
但过上一段时间（无法确定多久时间），再使用帐号 b 登陆授权，可以获取帐号 b 的信息，再退出。
再使用帐号 a 登陆，获取的信息依然是帐号 b 的信息，这是怎么一回事情啊？

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测试地址: http://www.euask.com/oauth/google.php

<?php

require_once __DIR__ .'/g/vendor/autoload.php';

session_start();

$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->setRedirectUri('http://www.euask.com/oauth/google.php');
$client->setScopes(array(
  'https://www.googleapis.com/auth/userinfo.email',
  'https://www.googleapis.com/auth/plus.login',
  'https://www.googleapis.com/auth/plus.me'
));
// $client->addScope(Google_Service_Oauth2::USERINFO_EMAIL);
$plus = new Google_Service_Oauth2($client);

if (isset($_REQUEST['logout'])) {
  session_unset();
}

if (isset($_GET['code'])) {
  $client->authenticate($_GET['code']);
  $_SESSION['access_token'] = $client->getAccessToken();
  $redirect = 'http://www.euask.com/oauth/google.php';
  header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
}

if (isset($_SESSION['access_token']) && $_SESSION['access_token']) {
  $client->setAccessToken($_SESSION['access_token']);
  $me = $plus->userinfo->get();
  $id = $me['id'];
  $name = $me['givenName'];
  $email = $me['email'];
  $profile_image_url = $me['picture'];
} else {
  $auth_url = $client->createAuthUrl();
}

?>

<div>
  <?php
    if (isset($auth_url)) {
      echo "<a href='".filter_var($auth_url, FILTER_SANITIZE_URL)."'>Google login</a>";
    } else {
      // print "ID: {$id} <br />";
      print "Name: {$name} <br />";
      print "Email: {$email} <br />";
      print "Image: {$profile_image_url} <br />";
      echo "<a href='?logout'>Sign out</a>";
    }
  ?>
</div>

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回复内容：

测试地址: http://www.euask.com/oauth/google.php

<?php

require_once __DIR__ .'/g/vendor/autoload.php';

session_start();

$client = new Google_Client();
$client->setAuthConfigFile('client_secrets.json');
$client->setRedirectUri('http://www.euask.com/oauth/google.php');
$client->setScopes(array(
  'https://www.googleapis.com/auth/userinfo.email',
  'https://www.googleapis.com/auth/plus.login',
  'https://www.googleapis.com/auth/plus.me'
));
// $client->addScope(Google_Service_Oauth2::USERINFO_EMAIL);
$plus = new Google_Service_Oauth2($client);

if (isset($_REQUEST['logout'])) {
  session_unset();
}

if (isset($_GET['code'])) {
  $client->authenticate($_GET['code']);
  $_SESSION['access_token'] = $client->getAccessToken();
  $redirect = 'http://www.euask.com/oauth/google.php';
  header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
}

if (isset($_SESSION['access_token']) && $_SESSION['access_token']) {
  $client->setAccessToken($_SESSION['access_token']);
  $me = $plus->userinfo->get();
  $id = $me['id'];
  $name = $me['givenName'];
  $email = $me['email'];
  $profile_image_url = $me['picture'];
} else {
  $auth_url = $client->createAuthUrl();
}

?>

<div>
  <?php
    if (isset($auth_url)) {
      echo "<a href='".filter_var($auth_url, FILTER_SANITIZE_URL)."'>Google login</a>";
    } else {
      // print "ID: {$id} <br />";
      print "Name: {$name} <br />";
      print "Email: {$email} <br />";
      print "Image: {$profile_image_url} <br />";
      echo "<a href='?logout'>Sign out</a>";
    }
  ?>
</div>

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