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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_File_Transfer
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Http.php 16971 2009-07-22 18:05:45Z mikaelkael $
*/
/**
* @see Zend_File_Transfer_Adapter_Abstract
*/
require_once 'Zend/File/Transfer/Adapter/Abstract.php';
/**
* File transfer adapter class for the HTTP protocol
*
* @category Zend
* @package Zend_File_Transfer
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_File_Transfer_Adapter_Http extends Zend_File_Transfer_Adapter_Abstract
{
protected static $_callbackApc = 'apc_fetch';
protected static $_callbackUploadProgress = 'uploadprogress_get_info';
/**
* Constructor for Http File Transfers
*
* @param array $options OPTIONAL Options to set
*/
public function __construct($options = array())
{
if (ini_get('file_uploads') == false) {
require_once 'Zend/File/Transfer/Exception.php';
throw new Zend_File_Transfer_Exception('File uploads are not allowed in your php config!');
}
$this->_files = $this->_prepareFiles($_FILES);
$this->addValidator('Upload', false, $this->_files);
if (is_array($options)) {
$this->setOptions($options);
}
}
/**
* Sets a validator for the class, erasing all previous set
*
* @param string|array $validator Validator to set
* @param string|array $files Files to limit this validator to
* @return Zend_File_Transfer_Adapter
*/
public function setValidators(array $validators, $files = null)
{
$this->clearValidators();
return $this->addValidators($validators, $files);
}
/**
* Remove an individual validator
*
* @param string $name
* @return Zend_File_Transfer_Adapter_Abstract
*/
public function removeValidator($name)
{
if ($name == 'Upload') {
return $this;
}
return parent::removeValidator($name);
}
/**
* Remove an individual validator
*
* @param string $name
* @return Zend_File_Transfer_Adapter_Abstract
*/
public function clearValidators()
{
parent::clearValidators();
$this->addValidator('Upload', false, $this->_files);
return $this;
}
/**
* Send the file to the client (Download)
*
* @param string|array $options Options for the file(s) to send
* @return void
* @throws Zend_File_Transfer_Exception Not implemented
*/
public function send($options = null)
{
require_once 'Zend/File/Transfer/Exception.php';
throw new Zend_File_Transfer_Exception('Method not implemented');
}
/**
* Checks if the files are valid
*
* @param string|array $files (Optional) Files to check
* @return boolean True if all checks are valid
*/
public function isValid($files = null)
{
// Workaround for a PHP error returning empty $_FILES when form data exceeds php settings
if (empty($this->_files) && ($_SERVER['CONTENT_LENGTH'] > 0)) {
if (is_array($files)) {
$files = current($files);
}
$temp = array($files => array(
'name' => $files,
'error' => 1));
$validator = $this->_validators['Zend_Validate_File_Upload'];
$validator->setFiles($temp)
->isValid($files, null);
$this->_messages += $validator->getMessages();
return false;
}
return parent::isValid($files);
}
/**
* Receive the file from the client (Upload)
*
* @param string|array $files (Optional) Files to receive
* @return bool
*/
public function receive($files = null)
{
if (!$this->isValid($files)) {
return false;
}
$check = $this->_getFiles($files);
foreach ($check as $file => $content) {
if (!$content['received']) {
$directory = '';
$destination = $this->getDestination($file);
if ($destination !== null) {
$directory = $destination . DIRECTORY_SEPARATOR;
}
$filename = $directory . $content['name'];
$rename = $this->getFilter('Rename');
if ($rename !== null) {
$tmp = $rename->getNewName($content['tmp_name']);
if ($tmp != $content['tmp_name']) {
$filename = $tmp;
}
if (dirname($filename) == '.') {
$filename = $directory . $filename;
}
$key = array_search(get_class($rename), $this->_files[$file]['filters']);
unset($this->_files[$file]['filters'][$key]);
}
// Should never return false when it's tested by the upload validator
if (!move_uploaded_file($content['tmp_name'], $filename)) {
if ($content['options']['ignoreNoFile']) {
$this->_files[$file]['received'] = true;
$this->_files[$file]['filtered'] = true;
continue;
}
$this->_files[$file]['received'] = false;
return false;
}
if ($rename !== null) {
$this->_files[$file]['destination'] = dirname($filename);
$this->_files[$file]['name'] = basename($filename);
}
$this->_files[$file]['tmp_name'] = $filename;
$this->_files[$file]['received'] = true;
}
if (!$content['filtered']) {
if (!$this->_filter($file)) {
$this->_files[$file]['filtered'] = false;
return false;
}
$this->_files[$file]['filtered'] = true;
}
}
return true;
}
/**
* Checks if the file was already sent
*
* @param string|array $file Files to check
* @return bool
* @throws Zend_File_Transfer_Exception Not implemented
*/
public function isSent($files = null)
{
require_once 'Zend/File/Transfer/Exception.php';
throw new Zend_File_Transfer_Exception('Method not implemented');
}
/**
* Checks if the file was already received
*
* @param string|array $files (Optional) Files to check
* @return bool
*/
public function isReceived($files = null)
{
$files = $this->_getFiles($files, false, true);
if (empty($files)) {
return false;
}
foreach ($files as $content) {
if ($content['received'] !== true) {
return false;
}
}
return true;
}
/**
* Checks if the file was already filtered
*
* @param string|array $files (Optional) Files to check
* @return bool
*/
public function isFiltered($files = null)
{
$files = $this->_getFiles($files, false, true);
if (empty($files)) {
return false;
}
foreach ($files as $content) {
if ($content['filtered'] !== true) {
return false;
}
}
return true;
}
/**
* Has a file been uploaded ?
*
* @param array|string|null $file
* @return bool
*/
public function isUploaded($files = null)
{
$files = $this->_getFiles($files, false, true);
if (empty($files)) {
return false;
}
foreach ($files as $file) {
if (empty($file['name'])) {
return false;
}
}
return true;
}
/**
* Returns the actual progress of file up-/downloads
*
* @param string $id The upload to get the progress for
* @return array|null
*/
public static function getProgress($id = null)
{
if (!function_exists('apc_fetch') and !function_exists('uploadprogress_get_info')) {
require_once 'Zend/File/Transfer/Exception.php';
throw new Zend_File_Transfer_Exception('Wether APC nor uploadprogress extension installed');
}
$session = 'Zend_File_Transfer_Adapter_Http_ProgressBar';
$status = array(
'total' => 0,
'current' => 0,
'rate' => 0,
'message' => '',
'done' => false
);
if (is_array($id)) {
if (isset($id['progress'])) {
$adapter = $id['progress'];
}
if (isset($id['session'])) {
$session = $id['session'];
}
if (isset($id['id'])) {
$id = $id['id'];
} else {
unset($id);
}
}
if (!empty($id) && (($id instanceof Zend_ProgressBar_Adapter) || ($id instanceof Zend_ProgressBar))) {
$adapter = $id;
unset($id);
}
if (empty($id)) {
if (!isset($_GET['progress_key'])) {
$status['message'] = 'No upload in progress';
$status['done'] = true;
} else {
$id = $_GET['progress_key'];
}
}
if (!empty($id)) {
if (self::isApcAvailable()) {
$call = call_user_func(self::$_callbackApc, 'upload_' . $id);
if (is_array($call)) {
$status = $call + $status;
}
} else if (self::isUploadProgressAvailable()) {
$call = call_user_func(self::$_callbackUploadProgress, $id);
if (is_array($call)) {
$status = $call + $status;
$status['total'] = $status['bytes_total'];
$status['current'] = $status['bytes_uploaded'];
$status['rate'] = $status['speed_average'];
if ($status['total'] == $status['current']) {
$status['done'] = true;
}
}
}
if (!is_array($call)) {
$status['done'] = true;
$status['message'] = 'Failure while retrieving the upload progress';
} else if (!empty($status['cancel_upload'])) {
$status['done'] = true;
$status['message'] = 'The upload has been canceled';
} else {
$status['message'] = self::_toByteString($status['current']) . " - " . self::_toByteString($status['total']);
}
$status['id'] = $id;
}
if (isset($adapter) && isset($status['id'])) {
if ($adapter instanceof Zend_ProgressBar_Adapter) {
require_once 'Zend/ProgressBar.php';
$adapter = new Zend_ProgressBar($adapter, 0, $status['total'], $session);
}
if (!($adapter instanceof Zend_ProgressBar)) {
require_once 'Zend/File/Transfer/Exception.php';
throw new Zend_File_Transfer_Exception('Unknown Adapter given');
}
if ($status['done']) {
$adapter->finish();
} else {
$adapter->update($status['current'], $status['message']);
}
$status['progress'] = $adapter;
}
return $status;
}
/**
* Checks the APC extension for progress information
*
* @return boolean
*/
public static function isApcAvailable()
{
return (bool) ini_get('apc.enabled') && (bool) ini_get('apc.rfc1867') && is_callable(self::$_callbackApc);
}
/**
* Checks the UploadProgress extension for progress information
*
* @return boolean
*/
public static function isUploadProgressAvailable()
{
return is_callable(self::$_callbackUploadProgress);
}
/**
* Prepare the $_FILES array to match the internal syntax of one file per entry
*
* @param array $files
* @return array
*/
protected function _prepareFiles(array $files = array())
{
$result = array();
foreach ($files as $form => $content) {
if (is_array($content['name'])) {
foreach ($content as $param => $file) {
foreach ($file as $number => $target) {
$result[$form . '_' . $number . '_'][$param] = $target;
$result[$form . '_' . $number . '_']['options'] = $this->_options;
$result[$form . '_' . $number . '_']['validated'] = false;
$result[$form . '_' . $number . '_']['received'] = false;
$result[$form . '_' . $number . '_']['filtered'] = false;
$result[$form]['multifiles'][$number] = $form . '_' . $number . '_';
$result[$form]['name'] = $form;
}
}
} else {
$result[$form] = $content;
$result[$form]['options'] = $this->_options;
$result[$form]['validated'] = false;
$result[$form]['received'] = false;
$result[$form]['filtered'] = false;
}
}
return $result;
}
}
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