483 Zeilen
15 KiB
PHP
483 Zeilen
15 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_File_Transfer
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_File_Transfer_Adapter_Abstract
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*/
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require_once 'Zend/File/Transfer/Adapter/Abstract.php';
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/**
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* File transfer adapter class for the HTTP protocol
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*
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* @category Zend
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* @package Zend_File_Transfer
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_File_Transfer_Adapter_Http extends Zend_File_Transfer_Adapter_Abstract
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{
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protected static $_callbackApc = 'apc_fetch';
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protected static $_callbackUploadProgress = 'uploadprogress_get_info';
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/**
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* Constructor for Http File Transfers
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*
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* @param array $options OPTIONAL Options to set
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*/
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public function __construct($options = array())
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{
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if (ini_get('file_uploads') == false) {
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require_once 'Zend/File/Transfer/Exception.php';
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throw new Zend_File_Transfer_Exception('File uploads are not allowed in your php config!');
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}
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$this->setOptions($options);
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$this->_prepareFiles();
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$this->addValidator('Upload', false, $this->_files);
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}
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/**
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* Sets a validator for the class, erasing all previous set
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*
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* @param string|array $validator Validator to set
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* @param string|array $files Files to limit this validator to
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* @return Zend_File_Transfer_Adapter
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*/
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public function setValidators(array $validators, $files = null)
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{
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$this->clearValidators();
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return $this->addValidators($validators, $files);
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}
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/**
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* Remove an individual validator
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*
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* @param string $name
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* @return Zend_File_Transfer_Adapter_Abstract
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*/
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public function removeValidator($name)
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{
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if ($name == 'Upload') {
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return $this;
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}
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return parent::removeValidator($name);
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}
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/**
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* Remove an individual validator
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*
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* @param string $name
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* @return Zend_File_Transfer_Adapter_Abstract
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*/
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public function clearValidators()
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{
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parent::clearValidators();
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$this->addValidator('Upload', false, $this->_files);
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return $this;
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}
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/**
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* Send the file to the client (Download)
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*
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* @param string|array $options Options for the file(s) to send
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* @return void
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* @throws Zend_File_Transfer_Exception Not implemented
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*/
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public function send($options = null)
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{
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require_once 'Zend/File/Transfer/Exception.php';
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throw new Zend_File_Transfer_Exception('Method not implemented');
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}
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/**
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* Checks if the files are valid
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*
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* @param string|array $files (Optional) Files to check
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* @return boolean True if all checks are valid
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*/
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public function isValid($files = null)
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{
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// Workaround for WebServer not conforming HTTP and omitting CONTENT_LENGTH
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$content = 0;
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if (isset($_SERVER['CONTENT_LENGTH'])) {
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$content = $_SERVER['CONTENT_LENGTH'];
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} else if (!empty($_POST)) {
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$content = serialize($_POST);
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}
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// Workaround for a PHP error returning empty $_FILES when form data exceeds php settings
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if (empty($this->_files) && ($content > 0)) {
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if (is_array($files)) {
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$files = current($files);
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}
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$temp = array($files => array(
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'name' => $files,
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'error' => 1));
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$validator = $this->_validators['Zend_Validate_File_Upload'];
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$validator->setFiles($temp)
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->isValid($files, null);
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$this->_messages += $validator->getMessages();
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return false;
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}
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return parent::isValid($files);
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}
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/**
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* Receive the file from the client (Upload)
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*
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* @param string|array $files (Optional) Files to receive
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* @return bool
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*/
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public function receive($files = null)
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{
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if (!$this->isValid($files)) {
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return false;
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}
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$check = $this->_getFiles($files);
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foreach ($check as $file => $content) {
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if (!$content['received']) {
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$directory = '';
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$destination = $this->getDestination($file);
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if ($destination !== null) {
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$directory = $destination . DIRECTORY_SEPARATOR;
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}
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$filename = $directory . $content['name'];
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$rename = $this->getFilter('Rename');
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if ($rename !== null) {
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$tmp = $rename->getNewName($content['tmp_name']);
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if ($tmp != $content['tmp_name']) {
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$filename = $tmp;
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}
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if (dirname($filename) == '.') {
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$filename = $directory . $filename;
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}
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$key = array_search(get_class($rename), $this->_files[$file]['filters']);
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unset($this->_files[$file]['filters'][$key]);
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}
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// Should never return false when it's tested by the upload validator
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if (!move_uploaded_file($content['tmp_name'], $filename)) {
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if ($content['options']['ignoreNoFile']) {
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$this->_files[$file]['received'] = true;
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$this->_files[$file]['filtered'] = true;
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continue;
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}
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$this->_files[$file]['received'] = false;
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return false;
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}
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if ($rename !== null) {
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$this->_files[$file]['destination'] = dirname($filename);
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$this->_files[$file]['name'] = basename($filename);
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}
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$this->_files[$file]['tmp_name'] = $filename;
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$this->_files[$file]['received'] = true;
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}
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if (!$content['filtered']) {
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if (!$this->_filter($file)) {
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$this->_files[$file]['filtered'] = false;
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return false;
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}
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$this->_files[$file]['filtered'] = true;
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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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* Checks if the file was already sent
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*
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* @param string|array $file Files to check
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* @return bool
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* @throws Zend_File_Transfer_Exception Not implemented
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*/
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public function isSent($files = null)
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{
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require_once 'Zend/File/Transfer/Exception.php';
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throw new Zend_File_Transfer_Exception('Method not implemented');
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}
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/**
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* Checks if the file was already received
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*
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* @param string|array $files (Optional) Files to check
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* @return bool
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*/
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public function isReceived($files = null)
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{
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$files = $this->_getFiles($files, false, true);
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if (empty($files)) {
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return false;
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}
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foreach ($files as $content) {
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if ($content['received'] !== true) {
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return false;
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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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* Checks if the file was already filtered
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*
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* @param string|array $files (Optional) Files to check
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* @return bool
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*/
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public function isFiltered($files = null)
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{
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$files = $this->_getFiles($files, false, true);
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if (empty($files)) {
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return false;
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}
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foreach ($files as $content) {
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if ($content['filtered'] !== true) {
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return false;
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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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* Has a file been uploaded ?
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*
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* @param array|string|null $file
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* @return bool
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*/
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public function isUploaded($files = null)
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{
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$files = $this->_getFiles($files, false, true);
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if (empty($files)) {
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return false;
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}
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foreach ($files as $file) {
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if (empty($file['name'])) {
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return false;
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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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* Returns the actual progress of file up-/downloads
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*
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* @param string $id The upload to get the progress for
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* @return array|null
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*/
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public static function getProgress($id = null)
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{
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if (!function_exists('apc_fetch') and !function_exists('uploadprogress_get_info')) {
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require_once 'Zend/File/Transfer/Exception.php';
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throw new Zend_File_Transfer_Exception('Neither APC nor uploadprogress extension installed');
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}
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$session = 'Zend_File_Transfer_Adapter_Http_ProgressBar';
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$status = array(
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'total' => 0,
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'current' => 0,
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'rate' => 0,
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'message' => '',
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'done' => false
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);
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if (is_array($id)) {
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if (isset($id['progress'])) {
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$adapter = $id['progress'];
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}
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if (isset($id['session'])) {
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$session = $id['session'];
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}
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if (isset($id['id'])) {
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$id = $id['id'];
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} else {
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unset($id);
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}
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}
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if (!empty($id) && (($id instanceof Zend_ProgressBar_Adapter) || ($id instanceof Zend_ProgressBar))) {
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$adapter = $id;
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unset($id);
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}
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if (empty($id)) {
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if (!isset($_GET['progress_key'])) {
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$status['message'] = 'No upload in progress';
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$status['done'] = true;
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} else {
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$id = $_GET['progress_key'];
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}
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}
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if (!empty($id)) {
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if (self::isApcAvailable()) {
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$call = call_user_func(self::$_callbackApc, ini_get('apc.rfc1867_prefix') . $id);
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if (is_array($call)) {
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$status = $call + $status;
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}
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} else if (self::isUploadProgressAvailable()) {
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$call = call_user_func(self::$_callbackUploadProgress, $id);
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if (is_array($call)) {
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$status = $call + $status;
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$status['total'] = $status['bytes_total'];
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$status['current'] = $status['bytes_uploaded'];
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$status['rate'] = $status['speed_average'];
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if ($status['total'] == $status['current']) {
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$status['done'] = true;
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}
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}
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}
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if (!is_array($call)) {
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$status['done'] = true;
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$status['message'] = 'Failure while retrieving the upload progress';
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} else if (!empty($status['cancel_upload'])) {
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$status['done'] = true;
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$status['message'] = 'The upload has been canceled';
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} else {
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$status['message'] = self::_toByteString($status['current']) . " - " . self::_toByteString($status['total']);
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}
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$status['id'] = $id;
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}
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if (isset($adapter) && isset($status['id'])) {
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if ($adapter instanceof Zend_ProgressBar_Adapter) {
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require_once 'Zend/ProgressBar.php';
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$adapter = new Zend_ProgressBar($adapter, 0, $status['total'], $session);
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}
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if (!($adapter instanceof Zend_ProgressBar)) {
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require_once 'Zend/File/Transfer/Exception.php';
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throw new Zend_File_Transfer_Exception('Unknown Adapter given');
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}
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if ($status['done']) {
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$adapter->finish();
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} else {
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$adapter->update($status['current'], $status['message']);
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}
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$status['progress'] = $adapter;
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}
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return $status;
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}
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/**
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* Checks the APC extension for progress information
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*
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* @return boolean
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*/
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public static function isApcAvailable()
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{
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return (bool) ini_get('apc.enabled') && (bool) ini_get('apc.rfc1867') && is_callable(self::$_callbackApc);
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}
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/**
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* Checks the UploadProgress extension for progress information
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*
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* @return boolean
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*/
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public static function isUploadProgressAvailable()
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{
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return is_callable(self::$_callbackUploadProgress);
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}
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/**
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* Prepare the $_FILES array to match the internal syntax of one file per entry
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*
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* @param array $files
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* @return array
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*/
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protected function _prepareFiles()
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{
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$this->_files = array();
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foreach ($_FILES as $form => $content) {
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if (is_array($content['name'])) {
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foreach ($content as $param => $file) {
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foreach ($file as $number => $target) {
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$this->_files[$form . '_' . $number . '_'][$param] = $target;
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$this->_files[$form]['multifiles'][$number] = $form . '_' . $number . '_';
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}
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}
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$this->_files[$form]['name'] = $form;
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foreach($this->_files[$form]['multifiles'] as $key => $value) {
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$this->_files[$value]['options'] = $this->_options;
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$this->_files[$value]['validated'] = false;
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$this->_files[$value]['received'] = false;
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$this->_files[$value]['filtered'] = false;
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$mimetype = $this->_detectMimeType($this->_files[$value]);
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$this->_files[$value]['type'] = $mimetype;
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$filesize = $this->_detectFileSize($this->_files[$value]);
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$this->_files[$value]['size'] = $filesize;
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if ($this->_options['detectInfos']) {
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$_FILES[$form]['type'][$key] = $mimetype;
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$_FILES[$form]['size'][$key] = $filesize;
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}
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}
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} else {
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$this->_files[$form] = $content;
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$this->_files[$form]['options'] = $this->_options;
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$this->_files[$form]['validated'] = false;
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$this->_files[$form]['received'] = false;
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$this->_files[$form]['filtered'] = false;
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$mimetype = $this->_detectMimeType($this->_files[$form]);
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$this->_files[$form]['type'] = $mimetype;
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$filesize = $this->_detectFileSize($this->_files[$form]);
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$this->_files[$form]['size'] = $filesize;
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if ($this->_options['detectInfos']) {
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$_FILES[$form]['type'] = $mimetype;
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$_FILES[$form]['size'] = $filesize;
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}
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}
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}
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return $this;
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}
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}
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