<?php
/**
* Simple elFinder driver for GoogleDrive
* google-api-php-client-2.x or above.
*
* @author Dmitry (dio) Levashov
* @author Cem (discofever)
**/
class elFinderVolumeGoogleDrive extends elFinderVolumeDriver
{
/**
* Driver id
* Must be started from letter and contains [a-z0-9]
* Used as part of volume id.
*
* @var string
**/
protected $driverId = 'gd';
/**
* Google API client object.
*
* @var object
**/
protected $client = null;
/**
* GoogleDrive service object.
*
* @var object
**/
protected $service = null;
/**
* Cache of parents of each directories.
*
* @var array
*/
protected $parents = [];
/**
* Cache of chiled directories of each directories.
*
* @var array
*/
protected $directories = null;
/**
* Cache of itemID => name of each items.
*
* @var array
*/
protected $names = [];
/**
* MIME tyoe of directory.
*
* @var string
*/
const DIRMIME = 'application/vnd.google-apps.folder';
/**
* Fetch fields for list.
*
* @var string
*/
const FETCHFIELDS_LIST = 'files(id,name,mimeType,modifiedTime,parents,permissions,size,imageMediaMetadata(height,width),thumbnailLink,webContentLink,webViewLink),nextPageToken';
/**
* Fetch fields for get.
*
* @var string
*/
const FETCHFIELDS_GET = 'id,name,mimeType,modifiedTime,parents,permissions,size,imageMediaMetadata(height,width),thumbnailLink,webContentLink,webViewLink';
/**
* Directory for tmp files
* If not set driver will try to use tmbDir as tmpDir.
*
* @var string
**/
protected $tmp = '';
/**
* Net mount key.
*
* @var string
**/
public $netMountKey = '';
/**
* Current token expires
*
* @var integer
**/
private $expires;
/**
* Constructor
* Extend options with required fields.
*
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
**/
public function __construct()
{
$opts = [
'client_id' => '',
'client_secret' => '',
'access_token' => [],
'refresh_token' => '',
'serviceAccountConfigFile' => '',
'root' => 'My Drive',
'gdAlias' => '%s@GDrive',
'googleApiClient' => '',
'path' => '/',
'tmbPath' => '',
'separator' => '/',
'useGoogleTmb' => true,
'acceptedName' => '#.#',
'rootCssClass' => 'elfinder-navbar-root-googledrive',
'publishPermission' => [
'type' => 'anyone',
'role' => 'reader',
'withLink' => true,
],
'appsExportMap' => [
'application/vnd.google-apps.document' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'application/vnd.google-apps.spreadsheet' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'application/vnd.google-apps.drawing' => 'application/pdf',
'application/vnd.google-apps.presentation' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'application/vnd.google-apps.script' => 'application/vnd.google-apps.script+json',
'default' => 'application/pdf',
],
];
$this->options = array_merge($this->options, $opts);
$this->options['mimeDetect'] = 'internal';
}
/*********************************************************************/
/* ORIGINAL FUNCTIONS */
/*********************************************************************/
/**
* Get Parent ID, Item ID, Parent Path as an array from path.
*
* @param string $path
*
* @return array
*/
protected function _gd_splitPath($path)
{
$path = trim($path, '/');
$pid = '';
if ($path === '') {
$id = 'root';
$parent = '';
} else {
$path = str_replace('\\/', chr(0), $path);
$paths = explode('/', $path);
$id = array_pop($paths);
$id = str_replace(chr(0), '/', $id);
if ($paths) {
$parent = '/' . implode('/', $paths);
$pid = array_pop($paths);
} else {
$rootid = ($this->root === '/') ? 'root' : trim($this->root, '/');
if ($id === $rootid) {
$parent = '';
} else {
$parent = $this->root;
$pid = $rootid;
}
}
}
return array($pid, $id, $parent);
}
/**
* Drive query and fetchAll.
*
* @param string $sql
*
* @return bool|array
*/
private function _gd_query($opts)
{
$result = [];
$pageToken = null;
$parameters = [
'fields' => self::FETCHFIELDS_LIST,
'pageSize' => 1000,
'spaces' => 'drive',
];
if (is_array($opts)) {
$parameters = array_merge($parameters, $opts);
}
do {
try {
if ($pageToken) {
$parameters['pageToken'] = $pageToken;
}
$files = $this->service->files->listFiles($parameters);
$result = array_merge($result, $files->getFiles());
$pageToken = $files->getNextPageToken();
} catch (Exception $e) {
$pageToken = null;
}
} while ($pageToken);
return $result;
}
/**
* Get dat(googledrive metadata) from GoogleDrive.
*
* @param string $path
*
* @return array googledrive metadata
*/
private function _gd_getFile($path, $fields = '')
{
list(, $itemId) = $this->_gd_splitPath($path);
if (!$fields) {
$fields = self::FETCHFIELDS_GET;
}
try {
$file = $this->service->files->get($itemId, ['fields' => $fields]);
if ($file instanceof Google_Service_Drive_DriveFile) {
return $file;
} else {
return [];
}
} catch (Exception $e) {
return [];
}
}
/**
* Parse line from googledrive metadata output and return file stat (array).
*
* @param array $raw line from ftp_rawlist() output
*
* @return array
* @author Dmitry Levashov
**/
protected function _gd_parseRaw($raw)
{
$stat = [];
$stat['iid'] = isset($raw['id']) ? $raw['id'] : 'root';
$stat['name'] = isset($raw['name']) ? $raw['name'] : '';
if (isset($raw['modifiedTime'])) {
$stat['ts'] = strtotime($raw['modifiedTime']);
}
if ($raw['mimeType'] === self::DIRMIME) {
$stat['mime'] = 'directory';
$stat['size'] = 0;
} else {
$stat['mime'] = $raw['mimeType'] == 'image/bmp' ? 'image/x-ms-bmp' : $raw['mimeType'];
$stat['size'] = (int)$raw['size'];
if ($size = $raw->getImageMediaMetadata()) {
$stat['width'] = $size['width'];
$stat['height'] = $size['height'];
}
$published = $this->_gd_isPublished($raw);
if ($this->options['useGoogleTmb']) {
if (isset($raw['thumbnailLink'])) {
if ($published) {
$stat['tmb'] = 'drive.google.com/thumbnail?authuser=0&sz=s' . $this->options['tmbSize'] . '&id=' . $raw['id'];
} else {
$stat['tmb'] = substr($raw['thumbnailLink'], 8); // remove "https://"
}
} else {
$stat['tmb'] = '';
}
}
if ($published) {
$stat['url'] = $this->_gd_getLink($raw);
} elseif (!$this->disabledGetUrl) {
$stat['url'] = '1';
}
}
return $stat;
}
/**
* Get dat(googledrive metadata) from GoogleDrive.
*
* @param string $path
*
* @return array googledrive metadata
*/
private function _gd_getNameByPath($path)
{
list(, $itemId) = $this->_gd_splitPath($path);
if (!$this->names) {
$this->_gd_getDirectoryData();
}
return isset($this->names[$itemId]) ? $this->names[$itemId] : '';
}
/**
* Make cache of $parents, $names and $directories.
*
* @param bool $usecache
*/
protected function _gd_getDirectoryData($usecache = true)
{
if ($usecache) {
$cache = $this->session->get($this->id . $this->netMountKey, []);
if ($cache) {
$this->parents = $cache['parents'];
$this->names = $cache['names'];
$this->directories = $cache['directories'];
return;
}
}
$root = '';
if ($this->root === '/') {
// get root id
if ($res = $this->_gd_getFile('/', 'id')) {
$root = $res->getId();
}
}
$data = [];
$opts = [
'fields' => 'files(id, name, parents)',
'q' => sprintf('trashed=false and mimeType="%s"', self::DIRMIME),
];
$res = $this->_gd_query($opts);
foreach ($res as $raw) {
if ($parents = $raw->getParents()) {
$id = $raw->getId();
$this->parents[$id] = $parents;
$this->names[$id] = $raw->getName();
foreach ($parents as $p) {
if (isset($data[$p])) {
$data[$p][] = $id;
} else {
$data[$p] = [$id];
}
}
}
}
if ($root && isset($data[$root])) {
$data['root'] = $data[$root];
}
$this->directories = $data;
$this->session->set($this->id . $this->netMountKey, [
'parents' => $this->parents,
'names' => $this->names,
'directories' => $this->directories,
]);
}
/**
* Get descendants directories.
*
* @param string $itemId
*
* @return array
*/
protected function _gd_getDirectories($itemId)
{
$ret = [];
if ($this->directories === null) {
$this->_gd_getDirectoryData();
}
$data = $this->directories;
if (isset($data[$itemId])) {
$ret = $data[$itemId];
foreach ($data[$itemId] as $cid) {
$ret = array_merge($ret, $this->_gd_getDirectories($cid));
}
}
return $ret;
}
/**
* Get ID based path from item ID.
*
* @param string $id
*
* @return array
*/
protected function _gd_getMountPaths($id)
{
$root = false;
if ($this->directories === null) {
$this->_gd_getDirectoryData();
}
list($pid) = explode('/', $id, 2);
$path = $id;
if ('/' . $pid === $this->root) {
$root = true;
} elseif (!isset($this->parents[$pid])) {
$root = true;
$path = ltrim(substr($path, strlen($pid)), '/');
}
$res = [];
if ($root) {
if ($this->root === '/' || strpos('/' . $path, $this->root) === 0) {
$res = [(strpos($path, '/') === false) ? '/' : ('/' . $path)];
}
} else {
foreach ($this->parents[$pid] as $p) {
$_p = $p . '/' . $path;
$res = array_merge($res, $this->_gd_getMountPaths($_p));
}
}
return $res;
}
/**
* Return is published.
*
* @param object $file
*
* @return bool
*/
protected function _gd_isPublished($file)
{
$res = false;
$pType = $this->options['publishPermission']['type'];
$pRole = $this->options['publishPermission']['role'];
if ($permissions = $file->getPermissions()) {
foreach ($permissions as $permission) {
if ($permission->type === $pType && $permission->role === $pRole) {
$res = true;
break;
}
}
}
return $res;
}
/**
* return item URL link.
*
* @param object $file
*
* @return string
*/
protected function _gd_getLink($file)
{
if (strpos($file->mimeType, 'application/vnd.google-apps.') !== 0) {
if ($url = $file->getWebContentLink()) {
return str_replace('export=download', 'export=media', $url);
}
}
if ($url = $file->getWebViewLink()) {
return $url;
}
return '';
}
/**
* Get download url.
*
* @param Google_Service_Drive_DriveFile $file
*
* @return string|false
*/
protected function _gd_getDownloadUrl($file)
{
if (strpos($file->mimeType, 'application/vnd.google-apps.') !== 0) {
return 'https://www.googleapis.com/drive/v3/files/' . $file->getId() . '?alt=media';
} else {
$mimeMap = $this->options['appsExportMap'];
if (isset($mimeMap[$file->getMimeType()])) {
$mime = $mimeMap[$file->getMimeType()];
} else {
$mime = $mimeMap['default'];
}
$mime = rawurlencode($mime);
return 'https://www.googleapis.com/drive/v3/files/' . $file->getId() . '/export?mimeType=' . $mime;
}
return false;
}
/**
* Get thumbnail from GoogleDrive.com.
*
* @param string $path
*
* @return string | boolean
*/
protected function _gd_getThumbnail($path)
{
list(, $itemId) = $this->_gd_splitPath($path);
try {
$contents = $this->service->files->get($itemId, [
'alt' => 'media',
]);
$contents = $contents->getBody()->detach();
rewind($contents);
return $contents;
} catch (Exception $e) {
return false;
}
}
/**
* Publish permissions specified path item.
*
* @param string $path
*
* @return bool
*/
protected function _gd_publish($path)
{
if ($file = $this->_gd_getFile($path)) {
if ($this->_gd_isPublished($file)) {
return true;
}
try {
if ($this->service->permissions->create($file->getId(), new \Google_Service_Drive_Permission($this->options['publishPermission']))) {
return true;
}
} catch (Exception $e) {
return false;
}
}
return false;
}
/**
* unPublish permissions specified path.
*
* @param string $path
*
* @return bool
*/
protected function _gd_unPublish($path)
{
if ($file = $this->_gd_getFile($path)) {
if (!$this->_gd_isPublished($file)) {
return true;
}
$permissions = $file->getPermissions();
$pType = $this->options['publishPermission']['type'];
$pRole = $this->options['publishPermission']['role'];
try {
foreach ($permissions as $permission) {
if ($permission->type === $pType && $permission->role === $pRole) {
$this->service->permissions->delete($file->getId(), $permission->getId());
return true;
break;
}
}
} catch (Exception $e) {
return false;
}
}
return false;
}
/**
* Read file chunk.
*
* @param resource $handle
* @param int $chunkSize
*
* @return string
*/
protected function _gd_readFileChunk($handle, $chunkSize)
{
$byteCount = 0;
$giantChunk = '';
while (!feof($handle)) {
// fread will never return more than 8192 bytes if the stream is read buffered and it does not represent a plain file
$chunk = fread($handle, 8192);
$byteCount += strlen($chunk);
$giantChunk .= $chunk;
if ($byteCount >= $chunkSize) {
return $giantChunk;
}
}
return $giantChunk;
}
/*********************************************************************/
/* EXTENDED FUNCTIONS */
/*********************************************************************/
/**
* Prepare
* Call from elFinder::netmout() before volume->mount().
*
* @return array
* @author Naoki Sawada
* @author Raja Sharma updating for GoogleDrive
**/
public function netmountPrepare($options)
{
if (empty($options['client_id']) && defined('ELFINDER_GOOGLEDRIVE_CLIENTID')) {
$options['client_id'] = ELFINDER_GOOGLEDRIVE_CLIENTID;
}
if (empty($options['client_secret']) && defined('ELFINDER_GOOGLEDRIVE_CLIENTSECRET')) {
$options['client_secret'] = ELFINDER_GOOGLEDRIVE_CLIENTSECRET;
}
if (empty($options['googleApiClient']) && defined('ELFINDER_GOOGLEDRIVE_GOOGLEAPICLIENT')) {
$options['googleApiClient'] = ELFINDER_GOOGLEDRIVE_GOOGLEAPICLIENT;
include_once $options['googleApiClient'];
}
if (!isset($options['pass'])) {
$options['pass'] = '';
}
try {
$client = new \Google_Client();
$client->setClientId($options['client_id']);
$client->setClientSecret($options['client_secret']);
if ($options['pass'] === 'reauth') {
$options['pass'] = '';
$this->session->set('GoogleDriveAuthParams', [])->set('GoogleDriveTokens', []);
} elseif ($options['pass'] === 'googledrive') {
$options['pass'] = '';
}
$options = array_merge($this->session->get('GoogleDriveAuthParams', []), $options);
if (!isset($options['access_token'])) {
$options['access_token'] = $this->session->get('GoogleDriveTokens', []);
$this->session->remove('GoogleDriveTokens');
}
$aToken = $options['access_token'];
$rootObj = $service = null;
if ($aToken) {
try {
$client->setAccessToken($aToken);
if ($client->isAccessTokenExpired()) {
$aToken = array_merge($aToken, $client->fetchAccessTokenWithRefreshToken());
$client->setAccessToken($aToken);
}
$service = new \Google_Service_Drive($client);
$rootObj = $service->files->get('root');
$options['access_token'] = $aToken;
$this->session->set('GoogleDriveAuthParams', $options);
} catch (Exception $e) {
$aToken = [];
$options['access_token'] = [];
if ($options['user'] !== 'init') {
$this->session->set('GoogleDriveAuthParams', $options);
return ['exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE];
}
}
}
$itpCare = isset($options['code']);
$code = $itpCare? $options['code'] : (isset($_GET['code'])? $_GET['code'] : '');
if ($code || (isset($options['user']) && $options['user'] === 'init')) {
if (empty($options['url'])) {
$options['url'] = elFinder::getConnectorUrl();
}
if (isset($options['id'])) {
$callback = $options['url']
. (strpos($options['url'], '?') !== false? '&' : '?') . 'cmd=netmount&protocol=googledrive&host=' . ($options['id'] === 'elfinder'? '1' : $options['id']);
$client->setRedirectUri($callback);
}
if (!$aToken && empty($code)) {
$client->setScopes([Google_Service_Drive::DRIVE]);
if (!empty($options['offline'])) {
$client->setApprovalPrompt('force');
$client->setAccessType('offline');
}
$url = $client->createAuthUrl();
$html = '<input id="elf-volumedriver-googledrive-host-btn" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" value="{msg:btnApprove}" type="button">';
$html .= '<script>
$("#' . $options['id'] . '").elfinder("instance").trigger("netmount", {protocol: "googledrive", mode: "makebtn", url: "' . $url . '"});
</script>';
if (empty($options['pass']) && $options['host'] !== '1') {
$options['pass'] = 'return';
$this->session->set('GoogleDriveAuthParams', $options);
return ['exit' => true, 'body' => $html];
} else {
$out = [
'node' => $options['id'],
'json' => '{"protocol": "googledrive", "mode": "makebtn", "body" : "' . str_replace($html, '"', '\\"') . '", "error" : "' . elFinder::ERROR_ACCESS_DENIED . '"}',
'bind' => 'netmount',
];
return ['exit' => 'callback', 'out' => $out];
}
} else {
if ($code) {
if (!empty($options['id'])) {
$aToken = $client->fetchAccessTokenWithAuthCode($code);
$options['access_token'] = $aToken;
unset($options['code']);
$this->session->set('GoogleDriveTokens', $aToken)->set('GoogleDriveAuthParams', $options);
$out = [
'node' => $options['id'],
'json' => '{"protocol": "googledrive", "mode": "done", "reset": 1}',
'bind' => 'netmount',
];
} else {
$nodeid = ($_GET['host'] === '1')? 'elfinder' : $_GET['host'];
$out = array(
'node' => $nodeid,
'json' => json_encode(array(
'protocol' => 'googledrive',
'host' => $nodeid,
'mode' => 'redirect',
'options' => array(
'id' => $nodeid,
'code'=> $code
)
)),
'bind' => 'netmount'
);
}
if (!$itpCare) {
return array('exit' => 'callback', 'out' => $out);
} else {
return array('exit' => true, 'body' => $out['json']);
}
}
$path = $options['path'];
if ($path === '/') {
$path = 'root';
}
$folders = [];
foreach ($service->files->listFiles([
'pageSize' => 1000,
'q' => sprintf('trashed = false and "%s" in parents and mimeType = "application/vnd.google-apps.folder"', $path),
]) as $f) {
$folders[$f->getId()] = $f->getName();
}
natcasesort($folders);
if ($options['pass'] === 'folders') {
return ['exit' => true, 'folders' => $folders];
}
$folders = ['root' => $rootObj->getName()] + $folders;
$folders = json_encode($folders);
$expires = empty($aToken['refresh_token']) ? $aToken['created'] + $aToken['expires_in'] - 30 : 0;
$mnt2res = empty($aToken['refresh_token']) ? '' : ', "mnt2res": 1';
$json = '{"protocol": "googledrive", "mode": "done", "folders": ' . $folders . ', "expires": ' . $expires . $mnt2res . '}';
$options['pass'] = 'return';
$html = 'Google.com';
$html .= '<script>
$("#' . $options['id'] . '").elfinder("instance").trigger("netmount", ' . $json . ');
</script>';
$this->session->set('GoogleDriveAuthParams', $options);
return ['exit' => true, 'body' => $html];
}
}
} catch (Exception $e) {
$this->session->remove('GoogleDriveAuthParams')->remove('GoogleDriveTokens');
if (empty($options['pass'])) {
return ['exit' => true, 'body' => '{msg:' . elFinder::ERROR_ACCESS_DENIED . '}' . ' ' . $e->getMessage()];
} else {
return ['exit' => true, 'error' => [elFinder::ERROR_ACCESS_DENIED, $e->getMessage()]];
}
}
if (!$aToken) {
return ['exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE];
}
if ($options['path'] === '/') {
$options['path'] = 'root';
}
try {
$file = $service->files->get($options['path']);
$options['alias'] = sprintf($this->options['gdAlias'], $file->getName());
} catch (Google_Service_Exception $e) {
$err = json_decode($e->getMessage(), true);
if (isset($err['error']) && $err['error']['code'] == 404) {
return ['exit' => true, 'error' => [elFinder::ERROR_TRGDIR_NOT_FOUND, $options['path']]];
} else {
return ['exit' => true, 'error' => $e->getMessage()];
}
} catch (Exception $e) {
return ['exit' => true, 'error' => $e->getMessage()];
}
foreach (['host', 'user', 'pass', 'id', 'offline'] as $key) {
unset($options[$key]);
}
return $options;
}
/**
* process of on netunmount
* Drop `googledrive` & rm thumbs.
*
* @param $netVolumes
* @param $key
*
* @return bool
*/
public function netunmount($netVolumes, $key)
{
if (!$this->options['useGoogleTmb']) {
if ($tmbs = glob(rtrim($this->options['tmbPath'], '\\/') . DIRECTORY_SEPARATOR . $this->netMountKey . '*.png')) {
foreach ($tmbs as $file) {
unlink($file);
}
}
}
$this->session->remove($this->id . $this->netMountKey);
return true;
}
/**
* Return fileinfo based on filename
* For item ID based path file system
* Please override if needed on each drivers.
*
* @param string $path file cache
*
* @return array
*/
protected function isNameExists($path)
{
list($parentId, $name) = $this->_gd_splitPath($path);
$opts = [
'q' => sprintf('trashed=false and "%s" in parents and name="%s"', $parentId, $name),
'fields' => self::FETCHFIELDS_LIST,
];
$srcFile = $this->_gd_query($opts);
return empty($srcFile) ? false : $this->_gd_parseRaw($srcFile[0]);
}
/*********************************************************************/
/* INIT AND CONFIGURE */
/*********************************************************************/
/**
* Prepare FTP connection
* Connect to remote server and check if credentials are correct, if so, store the connection id in $ftp_conn.
*
* @return bool
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
**/
protected function init()
{
$serviceAccountConfig = '';
if (empty($this->options['serviceAccountConfigFile'])) {
if (empty($options['client_id'])) {
if (defined('ELFINDER_GOOGLEDRIVE_CLIENTID') && ELFINDER_GOOGLEDRIVE_CLIENTID) {
$this->options['client_id'] = ELFINDER_GOOGLEDRIVE_CLIENTID;
} else {
return $this->setError('Required option "client_id" is undefined.');
}
}
if (empty($options['client_secret'])) {
if (defined('ELFINDER_GOOGLEDRIVE_CLIENTSECRET') && ELFINDER_GOOGLEDRIVE_CLIENTSECRET) {
$this->options['client_secret'] = ELFINDER_GOOGLEDRIVE_CLIENTSECRET;
} else {
return $this->setError('Required option "client_secret" is undefined.');
}
}
if (!$this->options['access_token'] && !$this->options['refresh_token']) {
return $this->setError('Required option "access_token" or "refresh_token" is undefined.');
}
} else {
if (!is_readable($this->options['serviceAccountConfigFile'])) {
return $this->setError('Option "serviceAccountConfigFile" file is not readable.');
}
$serviceAccountConfig = $this->options['serviceAccountConfigFile'];
}
try {
if (!$serviceAccountConfig) {
$aTokenFile = '';
if ($this->options['refresh_token']) {
// permanent mount
$aToken = $this->options['refresh_token'];
$this->options['access_token'] = '';
$tmp = elFinder::getStaticVar('commonTempPath');
if (!$tmp) {
$tmp = $this->getTempPath();
}
if ($tmp) {
$aTokenFile = $tmp . DIRECTORY_SEPARATOR . md5($this->options['client_id'] . $this->options['refresh_token']) . '.gtoken';
if (is_file($aTokenFile)) {
$this->options['access_token'] = json_decode(file_get_contents($aTokenFile), true);
}
}
} else {
// make net mount key for network mount
if (is_array($this->options['access_token'])) {
$aToken = !empty($this->options['access_token']['refresh_token'])
? $this->options['access_token']['refresh_token']
: $this->options['access_token']['access_token'];
} else {
return $this->setError('Required option "access_token" is not Array or empty.');
}
}
}
$errors = [];
if ($this->needOnline && !$this->service) {
if (($this->options['googleApiClient'] || defined('ELFINDER_GOOGLEDRIVE_GOOGLEAPICLIENT')) && !class_exists('Google_Client')) {
include_once $this->options['googleApiClient'] ? $this->options['googleApiClient'] : ELFINDER_GOOGLEDRIVE_GOOGLEAPICLIENT;
}
if (!class_exists('Google_Client')) {
return $this->setError('Class Google_Client not found.');
}
$this->client = new \Google_Client();
$client = $this->client;
if (!$serviceAccountConfig) {
if ($this->options['access_token']) {
$client->setAccessToken($this->options['access_token']);
$access_token = $this->options['access_token'];
}
if ($client->isAccessTokenExpired()) {
$client->setClientId($this->options['client_id']);
$client->setClientSecret($this->options['client_secret']);
$access_token = $client->fetchAccessTokenWithRefreshToken($this->options['refresh_token'] ?: null);
$client->setAccessToken($access_token);
if ($aTokenFile) {
file_put_contents($aTokenFile, json_encode($access_token));
} else {
$access_token['refresh_token'] = $this->options['access_token']['refresh_token'];
}
if (!empty($this->options['netkey'])) {
elFinder::$instance->updateNetVolumeOption($this->options['netkey'], 'access_token', $access_token);
}
$this->options['access_token'] = $access_token;
}
$this->expires = empty($access_token['refresh_token']) ? $access_token['created'] + $access_token['expires_in'] - 30 : 0;
} else {
$client->setAuthConfigFile($serviceAccountConfig);
$client->setScopes([Google_Service_Drive::DRIVE]);
$aToken = $client->getClientId();
}
$this->service = new \Google_Service_Drive($client);
}
if ($this->needOnline) {
$this->netMountKey = md5($aToken . '-' . $this->options['path']);
}
} catch (InvalidArgumentException $e) {
$errors[] = $e->getMessage();
} catch (Google_Service_Exception $e) {
$errors[] = $e->getMessage();
}
if ($this->needOnline && !$this->service) {
$this->session->remove($this->id . $this->netMountKey);
if ($aTokenFile) {
if (is_file($aTokenFile)) {
unlink($aTokenFile);
}
}
$errors[] = 'Google Drive Service could not be loaded.';
return $this->setError($errors);
}
// normalize root path
if ($this->options['path'] == 'root') {
$this->options['path'] = '/';
}
$this->root = $this->options['path'] = $this->_normpath($this->options['path']);
if (empty($this->options['alias'])) {
if ($this->needOnline) {
$this->options['root'] = ($this->options['root'] === '')? $this->_gd_getNameByPath('root') : $this->options['root'];
$this->options['alias'] = ($this->options['path'] === '/') ? $this->options['root'] : sprintf($this->options['gdAlias'], $this->_gd_getNameByPath($this->options['path']));
if (!empty($this->options['netkey'])) {
elFinder::$instance->updateNetVolumeOption($this->options['netkey'], 'alias', $this->options['alias']);
}
} else {
$this->options['root'] = ($this->options['root'] === '')? 'GoogleDrive' : $this->options['root'];
$this->options['alias'] = $this->options['root'];
}
}
$this->rootName = isset($this->options['alias'])? $this->options['alias'] : 'GoogleDrive';
if (!empty($this->options['tmpPath'])) {
if ((is_dir($this->options['tmpPath']) || mkdir($this->options['tmpPath'])) && is_writable($this->options['tmpPath'])) {
$this->tmp = $this->options['tmpPath'];
}
}
if (!$this->tmp && ($tmp = elFinder::getStaticVar('commonTempPath'))) {
$this->tmp = $tmp;
}
// This driver dose not support `syncChkAsTs`
$this->options['syncChkAsTs'] = false;
// 'lsPlSleep' minmum 10 sec
$this->options['lsPlSleep'] = max(10, $this->options['lsPlSleep']);
if ($this->options['useGoogleTmb']) {
$this->options['tmbURL'] = 'https://';
$this->options['tmbPath'] = '';
}
// enable command archive
$this->options['useRemoteArchive'] = true;
return true;
}
/**
* Configure after successfull mount.
*
* @author Dmitry (dio) Levashov
**/
protected function configure()
{
parent::configure();
// fallback of $this->tmp
if (!$this->tmp && $this->tmbPathWritable) {
$this->tmp = $this->tmbPath;
}
if ($this->needOnline && $this->isMyReload()) {
$this->_gd_getDirectoryData(false);
}
}
/*********************************************************************/
/* FS API */
/*********************************************************************/
/**
* Close opened connection.
*
* @author Dmitry (dio) Levashov
**/
public function umount()
{
}
/**
* Cache dir contents.
*
* @param string $path dir path
*
* @return array
* @author Dmitry Levashov
*/
protected function cacheDir($path)
{
$this->dirsCache[$path] = [];
$hasDir = false;
list(, $pid) = $this->_gd_splitPath($path);
$opts = [
'fields' => self::FETCHFIELDS_LIST,
'q' => sprintf('trashed=false and "%s" in parents', $pid),
];
$res = $this->_gd_query($opts);
$mountPath = $this->_normpath($path . '/');
if ($res) {
foreach ($res as $raw) {
if ($stat = $this->_gd_parseRaw($raw)) {
$stat = $this->updateCache($mountPath . $raw->id, $stat);
if (empty($stat['hidden']) && $path !== $mountPath . $raw->id) {
if (!$hasDir && $stat['mime'] === 'directory') {
$hasDir = true;
}
$this->dirsCache[$path][] = $mountPath . $raw->id;
}
}
}
}
if (isset($this->sessionCache['subdirs'])) {
$this->sessionCache['subdirs'][$path] = $hasDir;
}
return $this->dirsCache[$path];
}
/**
* Recursive files search.
*
* @param string $path dir path
* @param string $q search string
* @param array $mimes
*
* @return array
* @throws elFinderAbortException
* @author Naoki Sawada
*/
protected function doSearch($path, $q, $mimes)
{
if (!empty($this->doSearchCurrentQuery['matchMethod'])) {
// has custom match method use elFinderVolumeDriver::doSearch()
return parent::doSearch($path, $q, $mimes);
}
list(, $itemId) = $this->_gd_splitPath($path);
$path = $this->_normpath($path . '/');
$result = [];
$query = '';
if ($itemId !== 'root') {
$dirs = array_merge([$itemId], $this->_gd_getDirectories($itemId));
$query = '(\'' . implode('\' in parents or \'', $dirs) . '\' in parents)';
}
$tmp = [];
if (!$mimes) {
foreach (explode(' ', $q) as $_v) {
$tmp[] = 'fullText contains \'' . str_replace('\'', '\\\'', $_v) . '\'';
}
$query .= ($query ? ' and ' : '') . implode(' and ', $tmp);
} else {
foreach ($mimes as $_v) {
$tmp[] = 'mimeType contains \'' . str_replace('\'', '\\\'', $_v) . '\'';
}
$query .= ($query ? ' and ' : '') . '(' . implode(' or ', $tmp) . ')';
}
$opts = [
'q' => sprintf('trashed=false and (%s)', $query),
];
$res = $this->_gd_query($opts);
$timeout = $this->options['searchTimeout'] ? $this->searchStart + $this->options['searchTimeout'] : 0;
foreach ($res as $raw) {
if ($timeout && $timeout < time()) {
$this->setError(elFinder::ERROR_SEARCH_TIMEOUT, $this->_path($path));
break;
}
if ($stat = $this->_gd_parseRaw($raw)) {
if ($parents = $raw->getParents()) {
foreach ($parents as $parent) {
$paths = $this->_gd_getMountPaths($parent);
foreach ($paths as $path) {
$path = ($path === '') ? '/' : (rtrim($path, '/') . '/');
if (!isset($this->cache[$path . $raw->id])) {
$stat = $this->updateCache($path . $raw->id, $stat);
} else {
$stat = $this->cache[$path . $raw->id];
}
if (empty($stat['hidden'])) {
$stat['path'] = $this->_path($path) . $stat['name'];
$result[] = $stat;
}
}
}
}
}
}
return $result;
}
/**
* Copy file/recursive copy dir only in current volume.
* Return new file path or false.
*
* @param string $src source path
* @param string $dst destination dir path
* @param string $name new file name (optionaly)
*
* @return string|false
* @author Dmitry (dio) Levashov
* @author Naoki Sawada
**/
protected function copy($src, $dst, $name)
{
$this->clearcache();
$res = $this->_gd_getFile($src);
if ($res['mimeType'] == self::DIRMIME) {
$newDir = $this->_mkdir($dst, $name);
if ($newDir) {
list(, $itemId) = $this->_gd_splitPath($newDir);
list(, $srcId) = $this->_gd_splitPath($src);
$path = $this->_joinPath($dst, $itemId);
$opts = [
'q' => sprintf('trashed=false and "%s" in parents', $srcId),
];
$res = $this->_gd_query($opts);
foreach ($res as $raw) {
$raw['mimeType'] == self::DIRMIME ? $this->copy($src . '/' . $raw['id'], $path, $raw['name']) : $this->_copy($src . '/' . $raw['id'], $path, $raw['name']);
}
$ret = $this->_joinPath($dst, $itemId);
$this->added[] = $this->stat($ret);
} else {
$ret = $this->setError(elFinder::ERROR_COPY, $this->_path($src));
}
} else {
if ($itemId = $this->_copy($src, $dst, $name)) {
$ret = $this->_joinPath($dst, $itemId);
$this->added[] = $this->stat($ret);
} else {
$ret = $this->setError(elFinder::ERROR_COPY, $this->_path($src));
}
}
return $ret;
}
/**
* Remove file/ recursive remove dir.
*
* @param string $path file path
* @param bool $force try to remove even if file locked
* @param bool $recursive
*
* @return bool
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
* @author Naoki Sawada
*/
protected function remove($path, $force = false, $recursive = false)
{
$stat = $this->stat($path);
$stat['realpath'] = $path;
$this->rmTmb($stat);
$this->clearcache();
if (empty($stat)) {
return $this->setError(elFinder::ERROR_RM, $this->_path($path), elFinder::ERROR_FILE_NOT_FOUND);
}
if (!$force && !empty($stat['locked'])) {
return $this->setError(elFinder::ERROR_LOCKED, $this->_path($path));
}
if ($stat['mime'] == 'directory') {
if (!$recursive && !$this->_rmdir($path)) {
return $this->setError(elFinder::ERROR_RM, $this->_path($path));
}
} else {
if (!$recursive && !$this->_unlink($path)) {
return $this->setError(elFinder::ERROR_RM, $this->_path($path));
}
}
$this->removed[] = $stat;
return true;
}
/**
* Create thumnbnail and return it's URL on success.
*
* @param string $path file path
* @param $stat
*
* @return string|false
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
* @author Naoki Sawada
*/
protected function createTmb($path, $stat)
{
if (!$stat || !$this->canCreateTmb($path, $stat)) {
return false;
}
$name = $this->tmbname($stat);
$tmb = $this->tmbPath . DIRECTORY_SEPARATOR . $name;
// copy image into tmbPath so some drivers does not store files on local fs
if (!$data = $this->_gd_getThumbnail($path)) {
return false;
}
if (!file_put_contents($tmb, $data)) {
return false;
}
$result = false;
$tmbSize = $this->tmbSize;
if (($s = getimagesize($tmb)) == false) {
return false;
}
/* If image smaller or equal thumbnail size - just fitting to thumbnail square */
if ($s[0] <= $tmbSize && $s[1] <= $tmbSize) {
$result = $this->imgSquareFit($tmb, $tmbSize, $tmbSize, 'center', 'middle', $this->options['tmbBgColor'], 'png');
} else {
if ($this->options['tmbCrop']) {
/* Resize and crop if image bigger than thumbnail */
if (!(($s[0] > $tmbSize && $s[1] <= $tmbSize) || ($s[0] <= $tmbSize && $s[1] > $tmbSize)) || ($s[0] > $tmbSize && $s[1] > $tmbSize)) {
$result = $this->imgResize($tmb, $tmbSize, $tmbSize, true, false, 'png');
}
if (($s = getimagesize($tmb)) != false) {
$x = $s[0] > $tmbSize ? intval(($s[0] - $tmbSize) / 2) : 0;
$y = $s[1] > $tmbSize ? intval(($s[1] - $tmbSize) / 2) : 0;
$result = $this->imgCrop($tmb, $tmbSize, $tmbSize, $x, $y, 'png');
}
} else {
$result = $this->imgResize($tmb, $tmbSize, $tmbSize, true, true, 'png');
}
$result = $this->imgSquareFit($tmb, $tmbSize, $tmbSize, 'center', 'middle', $this->options['tmbBgColor'], 'png');
}
if (!$result) {
unlink($tmb);
return false;
}
return $name;
}
/**
* Return thumbnail file name for required file.
*
* @param array $stat file stat
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function tmbname($stat)
{
return $this->netMountKey . $stat['iid'] . $stat['ts'] . '.png';
}
/**
* Return content URL (for netmout volume driver)
* If file.url == 1 requests from JavaScript client with XHR.
*
* @param string $hash file hash
* @param array $options options array
*
* @return bool|string
* @author Naoki Sawada
*/
public function getContentUrl($hash, $options = [])
{
if (!empty($options['onetime']) && $this->options['onetimeUrl']) {
return parent::getContentUrl($hash, $options);
}
if (!empty($options['temporary'])) {
// try make temporary file
$url = parent::getContentUrl($hash, $options);
if ($url) {
return $url;
}
}
if (($file = $this->file($hash)) == false || !$file['url'] || $file['url'] == 1) {
$path = $this->decode($hash);
if ($this->_gd_publish($path)) {
if ($raw = $this->_gd_getFile($path)) {
return $this->_gd_getLink($raw);
}
}
}
return false;
}
/**
* Return debug info for client.
*
* @return array
**/
public function debug()
{
$res = parent::debug();
if (!empty($this->options['netkey']) && empty($this->options['refresh_token']) && $this->options['access_token'] && isset($this->options['access_token']['refresh_token'])) {
$res['refresh_token'] = $this->options['access_token']['refresh_token'];
}
return $res;
}
/*********************** paths/urls *************************/
/**
* Return parent directory path.
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _dirname($path)
{
list(, , $parent) = $this->_gd_splitPath($path);
return $this->_normpath($parent);
}
/**
* Return file name.
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _basename($path)
{
list(, $basename) = $this->_gd_splitPath($path);
return $basename;
}
/**
* Join dir name and file name and retur full path.
*
* @param string $dir
* @param string $name
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _joinPath($dir, $name)
{
return $this->_normpath($dir . '/' . str_replace('/', '\\/', $name));
}
/**
* Return normalized path, this works the same as os.path.normpath() in Python.
*
* @param string $path path
*
* @return string
* @author Troex Nevelin
**/
protected function _normpath($path)
{
if (DIRECTORY_SEPARATOR !== '/') {
$path = str_replace(DIRECTORY_SEPARATOR, '/', $path);
}
$path = '/' . ltrim($path, '/');
return $path;
}
/**
* Return file path related to root dir.
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _relpath($path)
{
return $path;
}
/**
* Convert path related to root dir into real path.
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _abspath($path)
{
return $path;
}
/**
* Return fake path started from root dir.
*
* @param string $path file path
*
* @return string
* @author Dmitry (dio) Levashov
**/
protected function _path($path)
{
if (!$this->names) {
$this->_gd_getDirectoryData();
}
$path = $this->_normpath(substr($path, strlen($this->root)));
$names = [];
$paths = explode('/', $path);
foreach ($paths as $_p) {
$names[] = isset($this->names[$_p]) ? $this->names[$_p] : $_p;
}
return $this->rootName . implode('/', $names);
}
/**
* Return true if $path is children of $parent.
*
* @param string $path path to check
* @param string $parent parent path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _inpath($path, $parent)
{
return $path == $parent || strpos($path, $parent . '/') === 0;
}
/***************** file stat ********************/
/**
* Return stat for given path.
* Stat contains following fields:
* - (int) size file size in b. required
* - (int) ts file modification time in unix time. required
* - (string) mime mimetype. required for folders, others - optionally
* - (bool) read read permissions. required
* - (bool) write write permissions. required
* - (bool) locked is object locked. optionally
* - (bool) hidden is object hidden. optionally
* - (string) alias for symlinks - link target path relative to root path. optionally
* - (string) target for symlinks - link target path. optionally.
* If file does not exists - returns empty array or false.
*
* @param string $path file path
*
* @return array|false
* @author Dmitry (dio) Levashov
**/
protected function _stat($path)
{
if ($raw = $this->_gd_getFile($path)) {
$stat = $this->_gd_parseRaw($raw);
if ($path === $this->root) {
$stat['expires'] = $this->expires;
}
return $stat;
}
return false;
}
/**
* Return true if path is dir and has at least one childs directory.
*
* @param string $path dir path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _subdirs($path)
{
if ($this->directories === null) {
$this->_gd_getDirectoryData();
}
list(, $itemId) = $this->_gd_splitPath($path);
return isset($this->directories[$itemId]);
}
/**
* Return object width and height
* Ususaly used for images, but can be realize for video etc...
*
* @param string $path file path
* @param string $mime file mime type
*
* @return string
* @throws ImagickException
* @throws elFinderAbortException
* @author Dmitry (dio) Levashov
*/
protected function _dimensions($path, $mime)
{
if (strpos($mime, 'image') !== 0) {
return '';
}
$ret = '';
if ($file = $this->_gd_getFile($path)) {
if (isset($file['imageMediaMetadata'])) {
$ret = array('dim' => $file['imageMediaMetadata']['width'] . 'x' . $file['imageMediaMetadata']['height']);
if (func_num_args() > 2) {
$args = func_get_arg(2);
} else {
$args = array();
}
if (!empty($args['substitute'])) {
$tmbSize = intval($args['substitute']);
$srcSize = explode('x', $ret['dim']);
if ($srcSize[0] && $srcSize[1]) {
if (min(($tmbSize / $srcSize[0]), ($tmbSize / $srcSize[1])) < 1) {
if ($this->_gd_isPublished($file)) {
$tmbSize = strval($tmbSize);
$ret['url'] = 'https://drive.google.com/thumbnail?authuser=0&sz=s' . $tmbSize . '&id=' . $file['id'];
} elseif ($subImgLink = $this->getSubstituteImgLink(elFinder::$currentArgs['target'], $srcSize)) {
$ret['url'] = $subImgLink;
}
}
}
}
}
}
return $ret;
}
/******************** file/dir content *********************/
/**
* Return files list in directory.
*
* @param string $path dir path
*
* @return array
* @author Dmitry (dio) Levashov
* @author Cem (DiscoFever)
**/
protected function _scandir($path)
{
return isset($this->dirsCache[$path])
? $this->dirsCache[$path]
: $this->cacheDir($path);
}
/**
* Open file and return file pointer.
*
* @param string $path file path
* @param bool $write open file for writing
*
* @return resource|false
* @author Dmitry (dio) Levashov
**/
protected function _fopen($path, $mode = 'rb')
{
if ($mode === 'rb' || $mode === 'r') {
if ($file = $this->_gd_getFile($path)) {
if ($dlurl = $this->_gd_getDownloadUrl($file)) {
$token = $this->client->getAccessToken();
if (!$token && $this->client->isUsingApplicationDefaultCredentials()) {
$this->client->fetchAccessTokenWithAssertion();
$token = $this->client->getAccessToken();
}
$access_token = '';
if (is_array($token)) {
$access_token = $token['access_token'];
} else {
if ($token = json_decode($this->client->getAccessToken())) {
$access_token = $token->access_token;
}
}
if ($access_token) {
$data = array(
'target' => $dlurl,
'headers' => array('Authorization: Bearer ' . $access_token),
);
// to support range request
if (func_num_args() > 2) {
$opts = func_get_arg(2);
} else {
$opts = array();
}
if (!empty($opts['httpheaders'])) {
$data['headers'] = array_merge($opts['httpheaders'], $data['headers']);
}
return elFinder::getStreamByUrl($data);
}
}
}
}
return false;
}
/**
* Close opened file.
*
* @param resource $fp file pointer
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _fclose($fp, $path = '')
{
is_resource($fp) && fclose($fp);
if ($path) {
unlink($this->getTempFile($path));
}
}
/******************** file/dir manipulations *************************/
/**
* Create dir and return created dir path or false on failed.
*
* @param string $path parent dir path
* @param string $name new directory name
*
* @return string|bool
* @author Dmitry (dio) Levashov
**/
protected function _mkdir($path, $name)
{
$path = $this->_joinPath($path, $name);
list($parentId, , $parent) = $this->_gd_splitPath($path);
try {
$file = new \Google_Service_Drive_DriveFile();
$file->setName($name);
$file->setMimeType(self::DIRMIME);
$file->setParents([$parentId]);
//create the Folder in the Parent
$obj = $this->service->files->create($file);
if ($obj instanceof Google_Service_Drive_DriveFile) {
$path = $this->_joinPath($parent, $obj['id']);
$this->_gd_getDirectoryData(false);
return $path;
} else {
return false;
}
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
}
/**
* Create file and return it's path or false on failed.
*
* @param string $path parent dir path
* @param string $name new file name
*
* @return string|bool
* @author Dmitry (dio) Levashov
**/
protected function _mkfile($path, $name)
{
return $this->_save($this->tmpfile(), $path, $name, []);
}
/**
* Create symlink. FTP driver does not support symlinks.
*
* @param string $target link target
* @param string $path symlink path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _symlink($target, $path, $name)
{
return false;
}
/**
* Copy file into another file.
*
* @param string $source source file path
* @param string $targetDir target directory path
* @param string $name new file name
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _copy($source, $targetDir, $name)
{
$source = $this->_normpath($source);
$targetDir = $this->_normpath($targetDir);
try {
$file = new \Google_Service_Drive_DriveFile();
$file->setName($name);
//Set the Parent id
list(, $parentId) = $this->_gd_splitPath($targetDir);
$file->setParents([$parentId]);
list(, $srcId) = $this->_gd_splitPath($source);
$file = $this->service->files->copy($srcId, $file, ['fields' => self::FETCHFIELDS_GET]);
$itemId = $file->id;
return $itemId;
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
return true;
}
/**
* Move file into another parent dir.
* Return new file path or false.
*
* @param string $source source file path
* @param string $target target dir path
* @param string $name file name
*
* @return string|bool
* @author Dmitry (dio) Levashov
**/
protected function _move($source, $targetDir, $name)
{
list($removeParents, $itemId) = $this->_gd_splitPath($source);
$target = $this->_normpath($targetDir . '/' . $itemId);
try {
//moving and renaming a file or directory
$files = new \Google_Service_Drive_DriveFile();
$files->setName($name);
//Set new Parent and remove old parent
list(, $addParents) = $this->_gd_splitPath($targetDir);
$opts = ['addParents' => $addParents, 'removeParents' => $removeParents];
$file = $this->service->files->update($itemId, $files, $opts);
if ($file->getMimeType() === self::DIRMIME) {
$this->_gd_getDirectoryData(false);
}
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
return $target;
}
/**
* Remove file.
*
* @param string $path file path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _unlink($path)
{
try {
$files = new \Google_Service_Drive_DriveFile();
$files->setTrashed(true);
list($pid, $itemId) = $this->_gd_splitPath($path);
$opts = ['removeParents' => $pid];
$this->service->files->update($itemId, $files, $opts);
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
return true;
}
/**
* Remove dir.
*
* @param string $path dir path
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _rmdir($path)
{
$res = $this->_unlink($path);
$res && $this->_gd_getDirectoryData(false);
return $res;
}
/**
* Create new file and write into it from file pointer.
* Return new file path or false on error.
*
* @param resource $fp file pointer
* @param $path
* @param string $name file name
* @param array $stat file stat (required by some virtual fs)
*
* @return bool|string
* @author Dmitry (dio) Levashov
*/
protected function _save($fp, $path, $name, $stat)
{
if ($name !== '') {
$path .= '/' . str_replace('/', '\\/', $name);
}
list($parentId, $itemId, $parent) = $this->_gd_splitPath($path);
if ($name === '') {
$stat['iid'] = $itemId;
}
if (!$stat || empty($stat['iid'])) {
$opts = [
'q' => sprintf('trashed=false and "%s" in parents and name="%s"', $parentId, $name),
'fields' => self::FETCHFIELDS_LIST,
];
$srcFile = $this->_gd_query($opts);
$srcFile = empty($srcFile) ? null : $srcFile[0];
} else {
$srcFile = $this->_gd_getFile($path);
}
try {
$mode = 'update';
$mime = isset($stat['mime']) ? $stat['mime'] : '';
$file = new Google_Service_Drive_DriveFile();
if ($srcFile) {
$mime = $srcFile->getMimeType();
} else {
$mode = 'insert';
$file->setName($name);
$file->setParents([
$parentId,
]);
}
if (!$mime) {
$mime = self::mimetypeInternalDetect($name);
}
if ($mime === 'unknown') {
$mime = 'application/octet-stream';
}
$file->setMimeType($mime);
$size = 0;
if (isset($stat['size'])) {
$size = $stat['size'];
} else {
$fstat = fstat($fp);
if (!empty($fstat['size'])) {
$size = $fstat['size'];
}
}
// set chunk size (max: 100MB)
$chunkSizeBytes = 100 * 1024 * 1024;
if ($size > 0) {
$memory = elFinder::getIniBytes('memory_limit');
if ($memory > 0) {
$chunkSizeBytes = max(262144, min([$chunkSizeBytes, (intval($memory / 4 / 256) * 256)]));
}
}
if ($size > $chunkSizeBytes) {
$client = $this->client;
// Call the API with the media upload, defer so it doesn't immediately return.
$client->setDefer(true);
if ($mode === 'insert') {
$request = $this->service->files->create($file, [
'fields' => self::FETCHFIELDS_GET,
]);
} else {
$request = $this->service->files->update($srcFile->getId(), $file, [
'fields' => self::FETCHFIELDS_GET,
]);
}
// Create a media file upload to represent our upload process.
$media = new Google_Http_MediaFileUpload($client, $request, $mime, null, true, $chunkSizeBytes);
$media->setFileSize($size);
// Upload the various chunks. $status will be false until the process is
// complete.
$status = false;
while (!$status && !feof($fp)) {
elFinder::checkAborted();
// read until you get $chunkSizeBytes from TESTFILE
// fread will never return more than 8192 bytes if the stream is read buffered and it does not represent a plain file
// An example of a read buffered file is when reading from a URL
$chunk = $this->_gd_readFileChunk($fp, $chunkSizeBytes);
$status = $media->nextChunk($chunk);
}
// The final value of $status will be the data from the API for the object
// that has been uploaded.
if ($status !== false) {
$obj = $status;
}
$client->setDefer(false);
} else {
$params = [
'data' => stream_get_contents($fp),
'uploadType' => 'media',
'fields' => self::FETCHFIELDS_GET,
];
if ($mode === 'insert') {
$obj = $this->service->files->create($file, $params);
} else {
$obj = $this->service->files->update($srcFile->getId(), $file, $params);
}
}
if ($obj instanceof Google_Service_Drive_DriveFile) {
return $this->_joinPath($parent, $obj->getId());
} else {
return false;
}
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
}
/**
* Get file contents.
*
* @param string $path file path
*
* @return string|false
* @author Dmitry (dio) Levashov
**/
protected function _getContents($path)
{
$contents = '';
try {
list(, $itemId) = $this->_gd_splitPath($path);
$contents = $this->service->files->get($itemId, [
'alt' => 'media',
]);
$contents = (string)$contents->getBody();
} catch (Exception $e) {
return $this->setError('GoogleDrive error: ' . $e->getMessage());
}
return $contents;
}
/**
* Write a string to a file.
*
* @param string $path file path
* @param string $content new file content
*
* @return bool
* @author Dmitry (dio) Levashov
**/
protected function _filePutContents($path, $content)
{
$res = false;
if ($local = $this->getTempFile($path)) {
if (file_put_contents($local, $content, LOCK_EX) !== false
&& ($fp = fopen($local, 'rb'))) {
clearstatcache();
$res = $this->_save($fp, $path, '', []);
fclose($fp);
}
file_exists($local) && unlink($local);
}
return $res;
}
/**
* Detect available archivers.
**/
protected function _checkArchivers()
{
// die('Not yet implemented. (_checkArchivers)');
return [];
}
/**
* chmod implementation.
*
* @return bool
**/
protected function _chmod($path, $mode)
{
return false;
}
/**
* Unpack archive.
*
* @param string $path archive path
* @param array $arc archiver command and arguments (same as in $this->archivers)
*
* @return void
* @author Dmitry (dio) Levashov
* @author Alexey Sukhotin
*/
protected function _unpack($path, $arc)
{
die('Not yet implemented. (_unpack)');
//return false;
}
/**
* Extract files from archive.
*
* @param string $path archive path
* @param array $arc archiver command and arguments (same as in $this->archivers)
*
* @return void
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
*/
protected function _extract($path, $arc)
{
die('Not yet implemented. (_extract)');
}
/**
* Create archive and return its path.
*
* @param string $dir target dir
* @param array $files files names list
* @param string $name archive name
* @param array $arc archiver options
*
* @return string|bool
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
**/
protected function _archive($dir, $files, $name, $arc)
{
die('Not yet implemented. (_archive)');
}
} // END class