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<?php/*
 * list_files_in_google_drive.php
 *
 * @(#) $Id: list_files_in_google_drive.php,v 1.1 2024/03/19 10:16:34 mlemos Exp $
 *
 */
 
 // Include the necessary class files directly or
 // vendor/autoload.php if you used composer to
 // install the package.
 
 require('http.php');
 require('oauth_client.php');
 
 $client = new oauth_client_class;
 $client->server = 'Google';
 $client->debug = false;
 $client->debug_http = true;
 
 $client->redirect_uri = 'https://'.$_SERVER['HTTP_HOST'].
 dirname(strtok($_SERVER['REQUEST_URI'],'?')).
 '/list_files_in_google_drive.php';
 
 $client->client_id = ''; $application_line = __LINE__;
 $client->client_secret = '';
 
 if(strlen($client->client_id) == 0
 || strlen($client->client_secret) == 0)
 die('Please go to Google APIs console page '.
 'https://console.cloud.google.com/apis/api/drive.googleapis.com/'.
 ' in the API access tab, create a new client ID,'.
 ' and in the line '.$application_line.
 ' set the client_id to Client ID'.
 ' and client_secret with Client Secret. '.
 'The callback URL must be '.$client->redirect_uri.
 ' but make sure the domain is valid and'.
 ' can be resolved by a public DNS.');
 
 /* API permissions
 */
 $client->scope = 'https://www.googleapis.com/auth/drive';
 if(($success = $client->Initialize()))
 {
 if(($success = $client->Process()))
 {
 if(strlen($client->authorization_error))
 {
 $client->error = $client->authorization_error;
 $success = false;
 }
 elseif(strlen($client->access_token))
 {
 $success = $client->CallAPI(
 'https://www.googleapis.com/drive/v3/files',
 'GET', array(), array('FailOnAccessError'=>true),
 $files_list);
 }
 }
 $success = $client->Finalize($success);
 }
 if($client->exit)
 exit;
 if($success)
 {
 ?>
 <!DOCTYPE html>
 <html>
 <head>
 <title>Google Drive API List Files PHP Example</title>
 </head>
 <body>
 <h1>Google Drive API List Files<br>PHP Example</h1>
 <table rules="all">
 <?php
 $limit = 10;
 $exclude = array(
 '^Interview',
 '^LabControl',
 '^Pitch',
 '^Reunião'
 );
 $list = 0;
 foreach($files_list->files as $f => $file)
 {
 if($list >= $limit)
 break;
 foreach($exclude as $match)
 {
 if(preg_match('/'.$match.'/', $file->name))
 continue 2;
 }
 echo '<tr><td>'.
 htmlspecialchars($file->name).
 '</td></tr>',"\n";
 $list++;
 }
 ?>
 </table>
 </body>
 </html>
 <?php
 }
 else
 {
 ?>
 <!DOCTYPE html>
 <html>
 <head>
 <title>OAuth client error</title>
 </head>
 <body>
 <h1>OAuth client error</h1>
 <pre>Error: <?PHP
 echo HtmlSpecialChars($client->error);
 ?></pre>
 </body>
 </html>
 <?php
 }
 
 ?>
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