azhar25git/Upload to Google Drive via PHP

## Upload to Google Drive via PHP
<?php
// error_reporting( E_ALL );
// you need to get Google OAuth Client Package with this command: composer require google/apiclient:"^2.0"
require __DIR__ . '/vendor/autoload.php';

// Credentials for your Drive App created on https://console.cloud.google.com
$clientId = 'xxxxxxapps.googleusercontent.com';
$clientSec = 'xxxxxxxx';

// Get access tokens from https://developers.google.com/oauthplayground using your Own Client ID and Cilent Secret
// The Scope must be from Drive API example: https://www.googleapis.com/auth/drive, https://www.googleapis.com/auth/drive.file
$accessToken = 'xxxxxxx';
$refreshToken = 'xxxxxxxxx';

// general redirect URL
$redirectUrl = 'urn:ietf:wg:oauth:2.0:oob';
// generate a token object from tokens your scope should be mentioned here
$tokenObj = '{"access_token":"'.$accessToken.'","expires_in":3600,"scope":"https:\/\/www.googleapis.com\/auth\/drive.file","token_type":"Bearer","created":1555475349,"refresh_token":"'.$refreshToken.'"}';
// you can also provide a token.json file downloaded from console.cloud.google.com
$tokenPath = 'token.json';
// file to upload
$file_path = realpath('files/cat.zip');
$file_name = basename($file_path);

// Get the API client and construct the service object.
$client = getClient($clientId, $clientSec, $redirectUrl, $tokenObj, $tokenPath);

$service = new Google_Service_Drive($client);

if ($service){
    $mime_type = finfo_file( finfo_open(FILEINFO_MIME_TYPE) , $file_path );

    $fileMetadata = new Google_Service_Drive_DriveFile(array(
    'name' => $file_name, 'mimeType' => $mime_type));

    $content = file_get_contents($file_path);
    // file upload process
    try {
        $file = $service->files->create($fileMetadata, array(
        'data' => $content,
        'mimeType' => $mime_type,
        'uploadType' => 'multipart',
        'fields' => 'id'));

        printf("Upload Success. File ID: %s\n", $file->id);
    }
    catch (\Exception $e) {
        echo $e->getMessage();exit;
    }

}


/**
 * Returns an authorized API client.
 * @return Google_Client the authorized client object
 */
function getClient($clientId, $clientSec, $redirectUrl, $tokenObj = '', $tokenPath = '')
{

    $client = new Google_Client();
    $client->setApplicationName('RTG Google Drive API Quickstart');
    $client->setScopes(Google_Service_Drive::DRIVE_FILE);
    $client->setClientId($clientId);
    $client->setClientSecret($clientSec);
    $client->setRedirectUri($redirectUrl);
    $client->setAccessType('offline');
    $client->setApprovalPrompt('auto');

    // Load previously authorized token from a file, if it exists.
    // The file token.json stores the user's access and refresh tokens, and is
    // created automatically when the authorization flow completes for the first
    // time.

    if (file_exists($tokenPath) && is_file($tokenPath)) {
        $accessTokenArray = json_decode(file_get_contents($tokenPath), true);
        if ($accessTokenArray != null) {
            $client->setAccessToken($accessTokenArray);
            $accessToken = $accessTokenArray;
        }

    }
    // if file not found then token should be taken from Token Object
    else if (is_string($tokenObj) && $tokenObj !=null && $tokenObj != '') {
        $accessTokenArray = json_decode($tokenObj , true);
        $client->setAccessToken($accessTokenArray);
        // $accessToken = $accessTokenArray['access_token'];
    }

    // If there is no previous token or it's expired.
    if ($client->isAccessTokenExpired()) {
        // Refresh the token if possible, else fetch a new one.
        if ($client->getRefreshToken()) {
            $client->fetchAccessTokenWithRefreshToken($client->getRefreshToken());
        }
        // custom access token creation if there is no token file or no token object provided
        else {

            // Request authorization from the user.
            $authUrl = $client->createAuthUrl();

                echo '
            <!DOCTYPE html>
            <html lang="en">
            <head>
                <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                <meta http-equiv="X-UA-Compatible" content="ie=edge">
                <title>Document</title>
            </head>
            <body>
            <a href='.$authUrl.' id="link" target="_blank">Click to Generate Token</a>
                <script>
            // document.getElementById("link").click();
            </script>
            </body>
            </html>
            ';
            print '<form action="index.php" method="GET">
            <input type="text" name="verify" placeholder="Enter verification code:">
            <input type="submit" name="Submit" value="Submit">
            </form>';

            if(isset($_GET['verify']) && $_GET['verify'] != '') {
                $authCode = $_GET['verify'];

                // Exchange authorization code for an access token.
                if(isset($authCode)) {
                    // $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
                    $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
                    $client->setAccessToken($accessToken);
                }
                // Check to see if there was an error.
                if (array_key_exists('error', $accessToken)) {
                    throw new Exception(join(', ', $accessToken));
                }
            }
        }
        // Uncomment this to Save the token to a file.
        // if (!file_exists(dirname($tokenPath))) {
        //     mkdir(dirname($tokenPath), 0700, true);
        // }
        // file_put_contents($tokenPath, json_encode($client->getAccessToken()));

    }
    return $client;
}
	<?php
	// error_reporting( E_ALL );
	// you need to get Google OAuth Client Package with this command: composer require google/apiclient:"^2.0"
	require __DIR__ . '/vendor/autoload.php';

	// Credentials for your Drive App created on https://console.cloud.google.com
	$clientId = 'xxxxxxapps.googleusercontent.com';
	$clientSec = 'xxxxxxxx';

	// Get access tokens from https://developers.google.com/oauthplayground using your Own Client ID and Cilent Secret
	// The Scope must be from Drive API example: https://www.googleapis.com/auth/drive, https://www.googleapis.com/auth/drive.file
	$accessToken = 'xxxxxxx';
	$refreshToken = 'xxxxxxxxx';

	// general redirect URL
	$redirectUrl = 'urn:ietf:wg:oauth:2.0:oob';
	// generate a token object from tokens your scope should be mentioned here
	$tokenObj = '{"access_token":"'.$accessToken.'","expires_in":3600,"scope":"https:\/\/www.googleapis.com\/auth\/drive.file","token_type":"Bearer","created":1555475349,"refresh_token":"'.$refreshToken.'"}';
	// you can also provide a token.json file downloaded from console.cloud.google.com
	$tokenPath = 'token.json';
	// file to upload
	$file_path = realpath('files/cat.zip');
	$file_name = basename($file_path);

	// Get the API client and construct the service object.
	$client = getClient($clientId, $clientSec, $redirectUrl, $tokenObj, $tokenPath);

	$service = new Google_Service_Drive($client);

	if ($service){
	$mime_type = finfo_file( finfo_open(FILEINFO_MIME_TYPE) , $file_path );

	$fileMetadata = new Google_Service_Drive_DriveFile(array(
	'name' => $file_name, 'mimeType' => $mime_type));

	$content = file_get_contents($file_path);
	// file upload process
	try {
	$file = $service->files->create($fileMetadata, array(
	'data' => $content,
	'mimeType' => $mime_type,
	'uploadType' => 'multipart',
	'fields' => 'id'));

	printf("Upload Success. File ID: %s\n", $file->id);
	}
	catch (\Exception $e) {
	echo $e->getMessage();exit;
	}

	}


	/**
	* Returns an authorized API client.
	* @return Google_Client the authorized client object
	*/
	function getClient($clientId, $clientSec, $redirectUrl, $tokenObj = '', $tokenPath = '')
	{

	$client = new Google_Client();
	$client->setApplicationName('RTG Google Drive API Quickstart');
	$client->setScopes(Google_Service_Drive::DRIVE_FILE);
	$client->setClientId($clientId);
	$client->setClientSecret($clientSec);
	$client->setRedirectUri($redirectUrl);
	$client->setAccessType('offline');
	$client->setApprovalPrompt('auto');

	// Load previously authorized token from a file, if it exists.
	// The file token.json stores the user's access and refresh tokens, and is
	// created automatically when the authorization flow completes for the first
	// time.

	if (file_exists($tokenPath) && is_file($tokenPath)) {
	$accessTokenArray = json_decode(file_get_contents($tokenPath), true);
	if ($accessTokenArray != null) {
	$client->setAccessToken($accessTokenArray);
	$accessToken = $accessTokenArray;
	}

	}
	// if file not found then token should be taken from Token Object
	else if (is_string($tokenObj) && $tokenObj !=null && $tokenObj != '') {
	$accessTokenArray = json_decode($tokenObj , true);
	$client->setAccessToken($accessTokenArray);
	// $accessToken = $accessTokenArray['access_token'];
	}

	// If there is no previous token or it's expired.
	if ($client->isAccessTokenExpired()) {
	// Refresh the token if possible, else fetch a new one.
	if ($client->getRefreshToken()) {
	$client->fetchAccessTokenWithRefreshToken($client->getRefreshToken());
	}
	// custom access token creation if there is no token file or no token object provided
	else {

	// Request authorization from the user.
	$authUrl = $client->createAuthUrl();

	echo '
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>Document</title>
	</head>
	<body>
	<a href='.$authUrl.' id="link" target="_blank">Click to Generate Token</a>
	<script>
	// document.getElementById("link").click();
	</script>
	</body>
	</html>
	';
	print '<form action="index.php" method="GET">
	<input type="text" name="verify" placeholder="Enter verification code:">
	<input type="submit" name="Submit" value="Submit">
	</form>';

	if(isset($_GET['verify']) && $_GET['verify'] != '') {
	$authCode = $_GET['verify'];

	// Exchange authorization code for an access token.
	if(isset($authCode)) {
	// $accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
	$accessToken = $client->fetchAccessTokenWithAuthCode($authCode);
	$client->setAccessToken($accessToken);
	}
	// Check to see if there was an error.
	if (array_key_exists('error', $accessToken)) {
	throw new Exception(join(', ', $accessToken));
	}
	}
	}
	// Uncomment this to Save the token to a file.
	// if (!file_exists(dirname($tokenPath))) {
	// mkdir(dirname($tokenPath), 0700, true);
	// }
	// file_put_contents($tokenPath, json_encode($client->getAccessToken()));

	}
	return $client;
	}