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我再次按照本教程使用 php 在 Google Drive 上上传文件,直接从我的远程服务器:所以我从 Google API 控制台创建了新的 API 项目,启用 Drive API 服务,请求 OAuth 客户端 ID 和客户端密码,将它们写在脚本,然后将其与Google APIs Client Library for PHP文件夹一起上传到此http://www.MYSERVER.com/script1.php,以检索 Auth 代码:

<?php

require_once 'google-api-php-client/src/Google_Client.php';
require_once 'google-api-php-client/src/contrib/Google_DriveService.php';

$drive = new Google_Client();

$drive->setClientId('XXX'); // HERE I WRITE MY Client ID

$drive->setClientSecret('XXX'); // HERE I WRITE MY Client Secret

$drive->setRedirectUri('urn:ietf:wg:oauth:2.0:oob');

$drive->setScopes(array('https://www.googleapis.com/auth/drive'));

$gdrive = new Google_DriveService($drive);

$url = $drive->createAuthUrl();
$authorizationCode = trim(fgets(STDIN));

$token = $drive->authenticate($authorizationCode);

?>

当我访问http://www.MYSERVER.com/script1.php时 ,我允许授权并获得我可以在第二个脚本中编写的 Auth 代码。然后我将它上传到http://www.MYSERVER.com/script2.php,它看起来像:

<?php

require_once 'google-api-php-client/src/Google_Client.php';
require_once 'google-api-php-client/src/contrib/Google_DriveService.php';

$drive = new Google_Client();

$drive->setClientId('X');  // HERE I WRITE MY Client ID
$drive->setClientSecret('X');  // HERE I WRITE MY Client Secret
$drive->setRedirectUri('urn:ietf:wg:oauth:2.0:oob');
$drive->setScopes(array('https://www.googleapis.com/auth/drive'));

$gdrive = new Google_DriveService($drive);

$_GET['code']= 'X/XXX'; // HERE I WRITE AUTH CODE RETRIEVED AFTER RUNNING REMOTE script.php

file_put_contents('token.json', $drive->authenticate());

$drive->setAccessToken(file_get_contents('token.json'));

$doc = new Google_DriveFile();

$doc->setTitle('Test Drive');
$doc->setDescription('Document');
$doc->setMimeType('text/plain');

$content = file_get_contents('drive.txt');

$output = $gdrive->files->insert($doc, array(
      'data' => $content,
      'mimeType' => 'text/plain',
    ));

print_r($output);

?>

好吧,现在文件 drive.txt 已上传到我的 Google Drive 上,并且 token.json 文件的结构是一种:

{"access_token":"XXX","token_type":"Bearer","expires_in":3600,"refresh_token":"YYY","created":1365505148}

现在,您可以想象我可以调用 script2.php 并上传文件直到某个时间。最后,重点是:不想token过期,不想每次过期都允许授权(回忆script1.php):白天需要定时调用script2.php,进行上传我的文件自动,无需用户交互。那么,在这种情况下永久自动刷新令牌的最佳方法是什么?我需要另一个脚本吗?我可以在 script2.php 中添加一些代码吗?还是修改 token.json 文件?我在哪里可以读取令牌到期前的剩余时间?谢谢!

4

2 回答 2

31

您不必定期请求访问令牌。如果你有一个 refresh_token,PHP 客户端会自动为你获取一个新的访问令牌。

为了检索 refresh_token,您需要将 access_type 设置为“offline”并请求离线访问权限:

$drive->setAccessType('offline');

一旦你得到一个code

$_GET['code']= 'X/XXX';
$drive->authenticate();

// persist refresh token encrypted
$refreshToken = $drive->getAccessToken()["refreshToken"];

对于未来的请求,请确保始终设置刷新的令牌:

$tokens = $drive->getAccessToken();
$tokens["refreshToken"] = $refreshToken;
$drive->setAccessToken(tokens);

如果您想要强制访问令牌刷新,您可以通过调用refreshToken

$drive->refreshToken($refreshToken);

请注意,refresh_token只会在第一次退回$drive->authenticate(),您需要永久保存它。为了获得新的 refresh_token,您需要撤销现有的令牌并再次启动身份验证过程。

离线访问在Google 的 OAuth 2.0 文档中有详细说明。

于 2013-04-09T15:07:49.867 回答
1

在搞砸了很多之后,我得到了这个工作。我正在使用一个文件/脚本来获取离线令牌,然后使用一个类来使用 api 做一些事情:

require_once 'src/Google/autoload.php'; // load library

session_start();

$client = new Google_Client();
// Get your credentials from the console
$client->setApplicationName("Get Token");
$client->setClientId('...');
$client->setClientSecret('...');
$client->setRedirectUri('...'); // self redirect
$client->setScopes(array('https://www.googleapis.com/auth/drive.file'));
$client->setAccessType("offline");
$client->setApprovalPrompt('force'); 



if (isset($_GET['code'])) {
    $client->authenticate($_GET['code']);
    $_SESSION['token'] = $client->getAccessToken();
    $client->getAccessToken(["refreshToken"]);
    $redirect = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'];
    header('Location: ' . filter_var($redirect, FILTER_SANITIZE_URL));
    return;
}

if (isset($_SESSION['token'])) {
    $client->setAccessToken($_SESSION['token']);
}

if (isset($_REQUEST['logout'])) {
    unset($_SESSION['token']);
    $client->revokeToken();
}


?>
<!doctype html>
<html>
    <head><meta charset="utf-8"></head>
    <body>
        <header><h1>Get Token</h1></header>
        <?php
        if ($client->getAccessToken()) {
            $_SESSION['token'] = $client->getAccessToken();
            $token = json_decode($_SESSION['token']);
            echo "Access Token = " . $token->access_token . '<br/>';
            echo "Refresh Token = " . $token->refresh_token . '<br/>';
            echo "Token type = " . $token->token_type . '<br/>';
            echo "Expires in = " . $token->expires_in . '<br/>';
            echo "Created = " . $token->created . '<br/>';
            echo "<a class='logout' href='?logout'>Logout</a>";
            file_put_contents("token.txt",$token->refresh_token); // saving access token to file for future use
        } else {
            $authUrl = $client->createAuthUrl();
            print "<a class='login' href='$authUrl'>Connect Me!</a>";
        }
        ?>
    </body>
</html>

您可以从文件加载刷新令牌并根据需要使用它进行离线访问:

class gdrive{

function __construct(){
        require_once 'src/Google/autoload.php';
        $this->client = new Google_Client();
}

function initialize(){
        echo "initializing class\n";
        $client = $this->client;
        // credentials from google console
        $client->setClientId('...');
        $client->setClientSecret('...');
        $client->setRedirectUri('...');

        $refreshToken = file_get_contents(__DIR__ . "/token.txt"); // load previously saved token
        $client->refreshToken($refreshToken);
        $tokens = $client->getAccessToken();
        $client->setAccessToken($tokens);

        $this->doSomething(); // go do something with the api       
    }
}

更多信息:https ://github.com/yannisg/Google-Drive-Uploader-PHP

于 2015-08-06T09:09:57.617 回答