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339 lines
13 KiB
339 lines
13 KiB
6 years ago
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<?php
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use League\Flysystem\Filesystem;
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use League\Flysystem\Adapter\Local;
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use League\Flysystem\Cached\CachedAdapter;
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use League\Flysystem\Cached\Storage\Adapter as ACache;
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use Hypweb\Flysystem\GoogleDrive\GoogleDriveAdapter;
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use Hypweb\Flysystem\Cached\Extra\Hasdir;
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use Hypweb\Flysystem\Cached\Extra\DisableEnsureParentDirectories;
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use Hypweb\elFinderFlysystemDriverExt\Driver as ExtDriver;
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elFinder::$netDrivers['googledrive'] = 'FlysystemGoogleDriveNetmount';
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if (!class_exists('elFinderVolumeFlysystemGoogleDriveCache', false)) {
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class elFinderVolumeFlysystemGoogleDriveCache extends ACache
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{
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use Hasdir;
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use DisableEnsureParentDirectories;
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}
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}
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class elFinderVolumeFlysystemGoogleDriveNetmount extends ExtDriver
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{
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public function __construct()
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{
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parent::__construct();
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$opts = array(
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'acceptedName' => '#^[^/\\?*:|"<>]*[^./\\?*:|"<>]$#',
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'rootCssClass' => 'elfinder-navbar-root-googledrive',
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'gdAlias' => '%s@GDrive',
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'gdCacheDir' => __DIR__ . '/.tmp',
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'gdCachePrefix' => 'gd-',
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'gdCacheExpire' => 600
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);
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$this->options = array_merge($this->options, $opts);
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}
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/**
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* Prepare driver before mount volume.
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* Return true if volume is ready.
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*
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* @return bool
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**/
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protected function init()
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{
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if (empty($this->options['icon'])) {
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$this->options['icon'] = true;
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}
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if ($res = parent::init()) {
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if ($this->options['icon'] === true) {
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unset($this->options['icon']);
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}
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// enable command archive
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$this->options['useRemoteArchive'] = true;
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}
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return $res;
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}
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/**
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* Prepare
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* Call from elFinder::netmout() before volume->mount()
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*
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* @param $options
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*
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* @return Array
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* @author Naoki Sawada
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*/
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public function netmountPrepare($options)
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{
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if (empty($options['client_id']) && defined('ELFINDER_GOOGLEDRIVE_CLIENTID')) {
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$options['client_id'] = ELFINDER_GOOGLEDRIVE_CLIENTID;
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}
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if (empty($options['client_secret']) && defined('ELFINDER_GOOGLEDRIVE_CLIENTSECRET')) {
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$options['client_secret'] = ELFINDER_GOOGLEDRIVE_CLIENTSECRET;
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}
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if (!isset($options['pass'])) {
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$options['pass'] = '';
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}
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try {
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$client = new \Google_Client();
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$client->setClientId($options['client_id']);
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$client->setClientSecret($options['client_secret']);
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if ($options['pass'] === 'reauth') {
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$options['pass'] = '';
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$this->session->set('GoogleDriveAuthParams', [])->set('GoogleDriveTokens', []);
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} else if ($options['pass'] === 'googledrive') {
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$options['pass'] = '';
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}
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$options = array_merge($this->session->get('GoogleDriveAuthParams', []), $options);
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if (!isset($options['access_token'])) {
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$options['access_token'] = $this->session->get('GoogleDriveTokens', []);
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$this->session->remove('GoogleDriveTokens');
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}
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$aToken = $options['access_token'];
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$rootObj = $service = null;
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if ($aToken) {
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try {
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$client->setAccessToken($aToken);
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if ($client->isAccessTokenExpired()) {
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$aToken = array_merge($aToken, $client->fetchAccessTokenWithRefreshToken());
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$client->setAccessToken($aToken);
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}
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$service = new \Google_Service_Drive($client);
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$rootObj = $service->files->get('root');
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$options['access_token'] = $aToken;
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$this->session->set('GoogleDriveAuthParams', $options);
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} catch (Exception $e) {
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$aToken = [];
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$options['access_token'] = [];
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if ($options['user'] !== 'init') {
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$this->session->set('GoogleDriveAuthParams', $options);
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return array('exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE);
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}
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}
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}
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if ($options['user'] === 'init') {
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if (empty($options['url'])) {
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$options['url'] = elFinder::getConnectorUrl();
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}
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$callback = $options['url']
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. '?cmd=netmount&protocol=googledrive&host=1';
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$client->setRedirectUri($callback);
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if (!$aToken && empty($_GET['code'])) {
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$client->setScopes([Google_Service_Drive::DRIVE]);
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if (!empty($options['offline'])) {
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$client->setApprovalPrompt('force');
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$client->setAccessType('offline');
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}
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$url = $client->createAuthUrl();
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$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" onclick="window.open(\'' . $url . '\')">';
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$html .= '<script>
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$("#' . $options['id'] . '").elfinder("instance").trigger("netmount", {protocol: "googledrive", mode: "makebtn"});
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</script>';
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if (empty($options['pass']) && $options['host'] !== '1') {
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$options['pass'] = 'return';
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$this->session->set('GoogleDriveAuthParams', $options);
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return array('exit' => true, 'body' => $html);
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} else {
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$out = array(
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'node' => $options['id'],
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'json' => '{"protocol": "googledrive", "mode": "makebtn", "body" : "' . str_replace($html, '"', '\\"') . '", "error" : "' . elFinder::ERROR_ACCESS_DENIED . '"}',
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'bind' => 'netmount'
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);
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return array('exit' => 'callback', 'out' => $out);
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}
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} else {
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if (!empty($_GET['code'])) {
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$aToken = $client->fetchAccessTokenWithAuthCode($_GET['code']);
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$options['access_token'] = $aToken;
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$this->session->set('GoogleDriveTokens', $aToken)->set('GoogleDriveAuthParams', $options);
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$out = array(
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'node' => $options['id'],
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'json' => '{"protocol": "googledrive", "mode": "done", "reset": 1}',
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'bind' => 'netmount'
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);
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return array('exit' => 'callback', 'out' => $out);
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}
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$folders = [];
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foreach ($service->files->listFiles([
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'pageSize' => 1000,
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'q' => 'trashed = false and mimeType = "application/vnd.google-apps.folder"'
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]) as $f) {
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$folders[$f->getId()] = $f->getName();
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}
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natcasesort($folders);
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$folders = ['root' => $rootObj->getName()] + $folders;
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$folders = json_encode($folders);
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$json = '{"protocol": "googledrive", "mode": "done", "folders": ' . $folders . '}';
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$options['pass'] = 'return';
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$html = 'Google.com';
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$html .= '<script>
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$("#' . $options['id'] . '").elfinder("instance").trigger("netmount", ' . $json . ');
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</script>';
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$this->session->set('GoogleDriveAuthParams', $options);
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return array('exit' => true, 'body' => $html);
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}
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}
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} catch (Exception $e) {
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$this->session->remove('GoogleDriveAuthParams')->remove('GoogleDriveTokens');
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if (empty($options['pass'])) {
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return array('exit' => true, 'body' => '{msg:' . elFinder::ERROR_ACCESS_DENIED . '}' . ' ' . $e->getMessage());
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} else {
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return array('exit' => true, 'error' => [elFinder::ERROR_ACCESS_DENIED, $e->getMessage()]);
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}
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}
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if (!$aToken) {
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return array('exit' => true, 'error' => elFinder::ERROR_REAUTH_REQUIRE);
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}
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if ($options['path'] === '/') {
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$options['path'] = 'root';
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}
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try {
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$file = $service->files->get($options['path']);
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$options['alias'] = sprintf($this->options['gdAlias'], $file->getName());
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} catch (Google_Service_Exception $e) {
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$err = json_decode($e->getMessage(), true);
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if (isset($err['error']) && $err['error']['code'] == 404) {
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return array('exit' => true, 'error' => [elFinder::ERROR_TRGDIR_NOT_FOUND, $options['path']]);
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} else {
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return array('exit' => true, 'error' => $e->getMessage());
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}
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} catch (Exception $e) {
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return array('exit' => true, 'error' => $e->getMessage());
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}
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foreach (['host', 'user', 'pass', 'id', 'offline'] as $key) {
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unset($options[$key]);
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}
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return $options;
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}
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/**
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* process of on netunmount
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* Drop table `dropbox` & rm thumbs
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*
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* @param $netVolumes
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* @param $key
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*
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* @return bool
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* @internal param array $options
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*/
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public function netunmount($netVolumes, $key)
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{
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$cache = $this->options['gdCacheDir'] . DIRECTORY_SEPARATOR . $this->options['gdCachePrefix'] . $this->netMountKey;
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if (file_exists($cache) && is_writeable($cache)) {
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unlink($cache);
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}
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if ($tmbs = glob($this->tmbPath . DIRECTORY_SEPARATOR . $this->netMountKey . '*')) {
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foreach ($tmbs as $file) {
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unlink($file);
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}
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}
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return true;
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}
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/**
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* "Mount" volume.
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* Return true if volume available for read or write,
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* false - otherwise
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*
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* @param array $opts
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*
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* @return bool
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* @author Naoki Sawada
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*/
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public function mount(array $opts)
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{
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$creds = null;
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if (isset($opts['access_token'])) {
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$this->netMountKey = md5(join('-', array('googledrive', $opts['path'], (isset($opts['access_token']['refresh_token']) ? $opts['access_token']['refresh_token'] : $opts['access_token']['access_token']))));
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}
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$client = new \Google_Client();
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$client->setClientId($opts['client_id']);
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$client->setClientSecret($opts['client_secret']);
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if (!empty($opts['access_token'])) {
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$client->setAccessToken($opts['access_token']);
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}
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if ($client->isAccessTokenExpired()) {
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try {
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$creds = $client->fetchAccessTokenWithRefreshToken();
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} catch (LogicException $e) {
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$this->session->remove('GoogleDriveAuthParams');
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throw $e;
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}
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}
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$service = new \Google_Service_Drive($client);
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// If path is not set, use the root
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if (!isset($opts['path']) || $opts['path'] === '') {
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$opts['path'] = 'root';
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}
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$googleDrive = new GoogleDriveAdapter($service, $opts['path'], ['useHasDir' => true]);
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$opts['fscache'] = null;
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if ($this->options['gdCacheDir'] && is_writeable($this->options['gdCacheDir'])) {
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if ($this->options['gdCacheExpire']) {
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$opts['fscache'] = new elFinderVolumeFlysystemGoogleDriveCache(new Local($this->options['gdCacheDir']), $this->options['gdCachePrefix'] . $this->netMountKey, $this->options['gdCacheExpire']);
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}
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}
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if ($opts['fscache']) {
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$filesystem = new Filesystem(new CachedAdapter($googleDrive, $opts['fscache']));
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} else {
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$filesystem = new Filesystem($googleDrive);
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}
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$opts['driver'] = 'FlysystemExt';
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$opts['filesystem'] = $filesystem;
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$opts['separator'] = '/';
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$opts['checkSubfolders'] = true;
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if (!isset($opts['alias'])) {
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$opts['alias'] = 'GoogleDrive';
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}
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if ($res = parent::mount($opts)) {
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// update access_token of session data
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if ($creds) {
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$netVolumes = $this->session->get('netvolume');
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$netVolumes[$this->netMountKey]['access_token'] = array_merge($netVolumes[$this->netMountKey]['access_token'], $creds);
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$this->session->set('netvolume', $netVolumes);
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}
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}
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return $res;
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}
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/**
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* @inheritdoc
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*/
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protected function tmbname($stat)
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{
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return $this->netMountKey . substr(substr($stat['hash'], strlen($this->id)), -38) . $stat['ts'] . '.png';
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}
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}
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