152 lines
3.7 KiB
PHP
152 lines
3.7 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Thomas Müller <thomas.mueller@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Files\Storage;
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set_include_path(get_include_path() . PATH_SEPARATOR .
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\OC_App::getAppPath('files_external') . '/3rdparty/irodsphp/prods/src');
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ob_start();
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require_once 'ProdsConfig.inc.php';
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require_once 'ProdsStreamer.class.php';
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ob_end_clean();
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class iRODS extends \OC\Files\Storage\StreamWrapper{
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private $password;
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private $user;
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private $host;
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private $port;
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private $zone;
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private $root;
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private $use_logon_credentials;
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private $auth_mode;
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public function __construct($params) {
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if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
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$this->host = $params['host'];
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$this->port = $params['port'];
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$this->user = $params['user'];
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$this->password = $params['password'];
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$this->use_logon_credentials = $params['use_logon_credentials'];
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$this->zone = $params['zone'];
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$this->auth_mode = isset($params['auth_mode']) ? $params['auth_mode'] : '';
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$this->root = isset($params['root']) ? $params['root'] : '/';
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if ( ! $this->root || $this->root[0] !== '/') {
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$this->root='/'.$this->root;
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}
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// take user and password from the session
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if ($this->use_logon_credentials && isset($_SESSION['irods-credentials']) )
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{
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$this->user = $_SESSION['irods-credentials']['uid'];
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$this->password = $_SESSION['irods-credentials']['password'];
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}
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//create the root folder if necessary
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if ( ! $this->is_dir('')) {
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$this->mkdir('');
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}
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} else {
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throw new \Exception();
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}
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}
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public static function login( $params ) {
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$_SESSION['irods-credentials'] = $params;
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}
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public function getId(){
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return 'irods::' . $this->user . '@' . $this->host . '/' . $this->root;
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}
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/**
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* construct the rods url
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* @param string $path
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* @return string
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*/
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public function constructUrl($path) {
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$path = rtrim($path,'/');
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if ( $path === '' || $path[0] !== '/') {
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$path = '/'.$path;
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}
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// adding auth method
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$userWithZone = $this->user.'.'.$this->zone;
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if ($this->auth_mode !== '') {
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$userWithZone .= '.'.$this->auth_mode;
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}
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// url wrapper schema is named rods
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return 'rods://'.$userWithZone.':'.$this->password.'@'.$this->host.':'.$this->port.$this->root.$path;
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}
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public function filetype($path) {
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return @filetype($this->constructUrl($path));
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}
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public function mkdir($path) {
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return @mkdir($this->constructUrl($path));
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}
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public function touch($path, $mtime=null) {
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// we cannot set a time
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if ($mtime != null) {
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return false;
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}
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$path = $this->constructUrl($path);
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// if the file doesn't exist we create it
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if (!file_exists($path)) {
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file_put_contents($path, '');
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return true;
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}
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// mtime updates are not supported
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return false;
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}
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/**
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* check if a file or folder has been updated since $time
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* @param string $path
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* @param int $time
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* @return bool
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*/
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public function hasUpdated($path,$time) {
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// this it a work around for folder mtimes -> we loop it's content
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if ( $this->is_dir($path)) {
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$actualTime=$this->collectionMTime($path);
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return $actualTime>$time;
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}
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$actualTime=$this->filemtime($path);
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return $actualTime>$time;
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}
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/**
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* get the best guess for the modification time of an iRODS collection
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*/
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private function collectionMTime($path) {
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$dh = $this->opendir($path);
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$lastCTime = $this->filemtime($path);
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while (($file = readdir($dh)) !== false) {
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if ($file != '.' and $file != '..') {
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$time = $this->filemtime($file);
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if ($time > $lastCTime) {
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$lastCTime = $time;
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}
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}
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}
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return $lastCTime;
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}
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}
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