134 lines
3 KiB
PHP
134 lines
3 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@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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class FTP 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 $secure;
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private $root;
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private static $tempFiles=array();
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public function __construct($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->user=$params['user'];
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$this->password=$params['password'];
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if (isset($params['secure'])) {
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if (is_string($params['secure'])) {
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$this->secure = ($params['secure'] === 'true');
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} else {
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$this->secure = (bool)$params['secure'];
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}
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} else {
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$this->secure = false;
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}
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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='/'.$this->root;
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}
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if (substr($this->root, -1) !== '/') {
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$this->root .= '/';
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}
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} else {
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throw new \Exception('Creating \OC\Files\Storage\FTP storage failed');
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}
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}
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public function getId(){
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return 'ftp::' . $this->user . '@' . $this->host . '/' . $this->root;
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}
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/**
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* construct the ftp 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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$url='ftp';
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if ($this->secure) {
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$url.='s';
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}
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$url.='://'.$this->user.':'.$this->password.'@'.$this->host.$this->root.$path;
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return $url;
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}
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/**
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* Unlinks file or directory
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* @param string $path
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*/
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public function unlink($path) {
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if ($this->is_dir($path)) {
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return $this->rmdir($path);
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}
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else {
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$url = $this->constructUrl($path);
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$result = unlink($url);
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clearstatcache(true, $url);
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return $result;
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}
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}
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public function fopen($path,$mode) {
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switch($mode) {
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case 'r':
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case 'rb':
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case 'w':
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case 'wb':
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case 'a':
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case 'ab':
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//these are supported by the wrapper
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$context = stream_context_create(array('ftp' => array('overwrite' => true)));
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return fopen($this->constructUrl($path), $mode, false, $context);
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case 'r+':
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case 'w+':
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case 'wb+':
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case 'a+':
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case 'x':
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case 'x+':
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case 'c':
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case 'c+':
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//emulate these
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if (strrpos($path, '.')!==false) {
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$ext=substr($path, strrpos($path, '.'));
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} else {
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$ext='';
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}
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$tmpFile=\OCP\Files::tmpFile($ext);
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\OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
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if ($this->file_exists($path)) {
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$this->getFile($path, $tmpFile);
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}
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self::$tempFiles[$tmpFile]=$path;
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return fopen('close://'.$tmpFile, $mode);
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}
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return false;
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}
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public function writeBack($tmpFile) {
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if (isset(self::$tempFiles[$tmpFile])) {
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$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
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unlink($tmpFile);
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}
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}
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/**
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* check if php-ftp is installed
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*/
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public static function checkDependencies() {
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if (function_exists('ftp_login')) {
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return(true);
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} else {
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return array('ftp');
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}
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}
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}
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