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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_Form
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Form_Element_Xhtml */
require_once 'Zend/Form/Element/Xhtml.php';
/**
* Zend_Form_Element
*
* @category Zend
* @package Zend_Form
* @subpackage Element
* @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: File.php 16218 2009-06-21 19:44:04Z thomas $
*/
class Zend_Form_Element_File extends Zend_Form_Element_Xhtml
{
/**
* @const string Plugin loader type
*/
const TRANSFER_ADAPTER = 'TRANSFER_ADAPTER';
/**
* @var string Default view helper
*/
public $helper = 'formFile';
/**
* @var Zend_File_Transfer_Adapter_Abstract
*/
protected $_adapter;
/**
* @var boolean Already validated ?
*/
protected $_validated = false;
/**
* @var boolean Disable value to be equal to file content
*/
protected $_valueDisabled = false;
/**
* @var integer Internal multifile counter
*/
protected $_counter = 1;
/**
* @var integer Maximum file size for MAX_FILE_SIZE attribut of form
*/
protected static $_maxFileSize = -1;
/**
* Load default decorators
*
* @return void
*/
public function loadDefaultDecorators()
{
if ($this->loadDefaultDecoratorsIsDisabled()) {
return;
}
$decorators = $this->getDecorators();
if (empty($decorators)) {
$this->addDecorator('File')
->addDecorator('Errors')
->addDecorator('Description')
->addDecorator('HtmlTag', array('tag' => 'dd'))
->addDecorator('Label', array('tag' => 'dt'));
}
}
/**
* Set plugin loader
*
* @param Zend_Loader_PluginLoader_Interface $loader
* @param string $type
* @return Zend_Form_Element_File
*/
public function setPluginLoader(Zend_Loader_PluginLoader_Interface $loader, $type)
{
$type = strtoupper($type);
if ($type != self::TRANSFER_ADAPTER) {
return parent::setPluginLoader($loader, $type);
}
$this->_loaders[$type] = $loader;
return $this;
}
/**
* Get Plugin Loader
*
* @param string $type
* @return Zend_Loader_PluginLoader_Interface
*/
public function getPluginLoader($type)
{
$type = strtoupper($type);
if ($type != self::TRANSFER_ADAPTER) {
return parent::getPluginLoader($type);
}
if (!array_key_exists($type, $this->_loaders)) {
require_once 'Zend/Loader/PluginLoader.php';
$loader = new Zend_Loader_PluginLoader(array(
'Zend_File_Transfer_Adapter' => 'Zend/File/Transfer/Adapter/',
));
$this->setPluginLoader($loader, self::TRANSFER_ADAPTER);
}
return $this->_loaders[$type];
}
/**
* Add prefix path for plugin loader
*
* @param string $prefix
* @param string $path
* @param string $type
* @return Zend_Form_Element_File
*/
public function addPrefixPath($prefix, $path, $type = null)
{
$type = strtoupper($type);
if (!empty($type) && ($type != self::TRANSFER_ADAPTER)) {
return parent::addPrefixPath($prefix, $path, $type);
}
if (empty($type)) {
$pluginPrefix = rtrim($prefix, '_') . '_Transfer_Adapter';
$pluginPath = rtrim($path, DIRECTORY_SEPARATOR) . '/Transfer/Adapter/';
$loader = $this->getPluginLoader(self::TRANSFER_ADAPTER);
$loader->addPrefixPath($pluginPrefix, $pluginPath);
return parent::addPrefixPath($prefix, $path, null);
}
$loader = $this->getPluginLoader($type);
$loader->addPrefixPath($prefix, $path);
return $this;
}
/**
* Set transfer adapter
*
* @param string|Zend_File_Transfer_Adapter_Abstract $adapter
* @return Zend_Form_Element_File
*/
public function setTransferAdapter($adapter)
{
if ($adapter instanceof Zend_File_Transfer_Adapter_Abstract) {
$this->_adapter = $adapter;
} elseif (is_string($adapter)) {
$loader = $this->getPluginLoader(self::TRANSFER_ADAPTER);
$class = $loader->load($adapter);
$this->_adapter = new $class;
} else {
require_once 'Zend/Form/Element/Exception.php';
throw new Zend_Form_Element_Exception('Invalid adapter specified');
}
foreach (array('filter', 'validate') as $type) {
$loader = $this->getPluginLoader($type);
$this->_adapter->setPluginLoader($loader, $type);
}
return $this;
}
/**
* Get transfer adapter
*
* Lazy loads HTTP transfer adapter when no adapter registered.
*
* @return Zend_File_Transfer_Adapter_Abstract
*/
public function getTransferAdapter()
{
if (null === $this->_adapter) {
$this->setTransferAdapter('Http');
}
return $this->_adapter;
}
/**
* Add Validator; proxy to adapter
*
* @param string|Zend_Validate_Interface $validator
* @param bool $breakChainOnFailure
* @param mixed $options
* @return Zend_Form_Element_File
*/
public function addValidator($validator, $breakChainOnFailure = false, $options = array())
{
$adapter = $this->getTransferAdapter();
$adapter->addValidator($validator, $breakChainOnFailure, $options, $this->getName());
$this->_validated = false;
return $this;
}
/**
* Add multiple validators at once; proxy to adapter
*
* @param array $validators
* @return Zend_Form_Element_File
*/
public function addValidators(array $validators)
{
$adapter = $this->getTransferAdapter();
$adapter->addValidators($validators, $this->getName());
$this->_validated = false;
return $this;
}
/**
* Add multiple validators at once, overwriting; proxy to adapter
*
* @param array $validators
* @return Zend_Form_Element_File
*/
public function setValidators(array $validators)
{
$adapter = $this->getTransferAdapter();
$adapter->setValidators($validators, $this->getName());
$this->_validated = false;
return $this;
}
/**
* Retrieve validator by name; proxy to adapter
*
* @param string $name
* @return Zend_Validate_Interface|null
*/
public function getValidator($name)
{
$adapter = $this->getTransferAdapter();
return $adapter->getValidator($name);
}
/**
* Retrieve all validators; proxy to adapter
*
* @return array
*/
public function getValidators()
{
$adapter = $this->getTransferAdapter();
$validators = $adapter->getValidators($this->getName());
if ($validators === null) {
$validators = array();
}
return $validators;
}
/**
* Remove validator by name; proxy to adapter
*
* @param string $name
* @return Zend_Form_Element_File
*/
public function removeValidator($name)
{
$adapter = $this->getTransferAdapter();
$adapter->removeValidator($name);
$this->_validated = false;
return $this;
}
/**
* Remove all validators; proxy to adapter
*
* @return Zend_Form_Element_File
*/
public function clearValidators()
{
$adapter = $this->getTransferAdapter();
$adapter->clearValidators();
$this->_validated = false;
return $this;
}
/**
* Add Filter; proxy to adapter
*
* @param string|array $filter Type of filter to add
* @param string|array $options Options to set for the filter
* @return Zend_Form_Element_File
*/
public function addFilter($filter, $options = null)
{
$adapter = $this->getTransferAdapter();
$adapter->addFilter($filter, $options, $this->getName());
return $this;
}
/**
* Add Multiple filters at once; proxy to adapter
*
* @param array $filters
* @return Zend_Form_Element_File
*/
public function addFilters(array $filters)
{
$adapter = $this->getTransferAdapter();
$adapter->addFilters($filters, $this->getName());
return $this;
}
/**
* Sets a filter for the class, erasing all previous set; proxy to adapter
*
* @param string|array $filter Filter to set
* @return Zend_Form_Element_File
*/
public function setFilters(array $filters)
{
$adapter = $this->getTransferAdapter();
$adapter->setFilters($filters, $this->getName());
return $this;
}
/**
* Retrieve individual filter; proxy to adapter
*
* @param string $name
* @return Zend_Filter_Interface|null
*/
public function getFilter($name)
{
$adapter = $this->getTransferAdapter();
return $adapter->getFilter($name);
}
/**
* Returns all set filters; proxy to adapter
*
* @return array List of set filters
*/
public function getFilters()
{
$adapter = $this->getTransferAdapter();
$filters = $adapter->getFilters($this->getName());
if ($filters === null) {
$filters = array();
}
return $filters;
}
/**
* Remove an individual filter; proxy to adapter
*
* @param string $name
* @return Zend_Form_Element_File
*/
public function removeFilter($name)
{
$adapter = $this->getTransferAdapter();
$adapter->removeFilter($name);
return $this;
}
/**
* Remove all filters; proxy to adapter
*
* @return Zend_Form_Element_File
*/
public function clearFilters()
{
$adapter = $this->getTransferAdapter();
$adapter->clearFilters();
return $this;
}
/**
* Validate upload
*
* @param string $value File, can be optional, give null to validate all files
* @param mixed $context
* @return bool
*/
public function isValid($value, $context = null)
{
if ($this->_validated) {
return true;
}
$adapter = $this->getTransferAdapter();
$translator = $this->getTranslator();
if ($translator !== null) {
$adapter->setTranslator($translator);
}
if (!$this->isRequired()) {
$adapter->setOptions(array('ignoreNoFile' => true), $this->getName());
} else {
$adapter->setOptions(array('ignoreNoFile' => false), $this->getName());
if ($this->autoInsertNotEmptyValidator() and
!$this->getValidator('NotEmpty'))
{
$validators = $this->getValidators();
$notEmpty = array('validator' => 'NotEmpty', 'breakChainOnFailure' => true);
array_unshift($validators, $notEmpty);
$this->setValidators($validators);
}
}
if($adapter->isValid($this->getName())) {
$this->_validated = true;
return true;
}
$this->_validated = false;
return false;
}
/**
* Receive the uploaded file
*
* @return boolean
*/
public function receive()
{
if (!$this->_validated) {
if (!$this->isValid($this->getName())) {
return false;
}
}
$adapter = $this->getTransferAdapter();
if ($adapter->receive($this->getName())) {
return true;
}
return false;
}
/**
* Retrieve error codes; proxy to transfer adapter
*
* @return array
*/
public function getErrors()
{
return parent::getErrors() + $this->getTransferAdapter()->getErrors();
}
/**
* Are there errors registered?
*
* @return bool
*/
public function hasErrors()
{
return (parent::hasErrors() || $this->getTransferAdapter()->hasErrors());
}
/**
* Retrieve error messages; proxy to transfer adapter
*
* @return array
*/
public function getMessages()
{
return parent::getMessages() + $this->getTransferAdapter()->getMessages();
}
/**
* Set the upload destination
*
* @param string $path
* @return Zend_Form_Element_File
*/
public function setDestination($path)
{
$this->getTransferAdapter()->setDestination($path, $this->getName());
return $this;
}
/**
* Get the upload destination
*
* @return string
*/
public function getDestination()
{
return $this->getTransferAdapter()->getDestination($this->getName());
}
/**
* Get the final filename
*
* @param string $value (Optional) Element or file to return
* @param boolean $path (Optional) Return also the path, defaults to true
* @return string
*/
public function getFileName($value = null, $path = true)
{
if (empty($value)) {
$value = $this->getName();
}
return $this->getTransferAdapter()->getFileName($value, $path);
}
/**
* Get internal file informations
*
* @param string $value (Optional) Element or file to return
* @return array
*/
public function getFileInfo($value = null)
{
if (empty($value)) {
$value = $this->getName();
}
return $this->getTransferAdapter()->getFileInfo($value);
}
/**
* Set a multifile element
*
* @param integer $count Number of file elements
* @return Zend_Form_Element_File Provides fluent interface
*/
public function setMultiFile($count)
{
if ((integer) $count < 2) {
$this->setIsArray(false);
$this->_counter = 1;
} else {
$this->setIsArray(true);
$this->_counter = (integer) $count;
}
return $this;
}
/**
* Returns the multifile element number
*
* @return integer
*/
public function getMultiFile()
{
return $this->_counter;
}
/**
* Sets the maximum file size of the form
*
* @return integer
*/
public function getMaxFileSize()
{
if (self::$_maxFileSize < 0) {
$ini = $this->_convertIniToInteger(trim(ini_get('post_max_size')));
$max = $this->_convertIniToInteger(trim(ini_get('upload_max_filesize')));
$min = max($ini, $max);
if ($ini > 0) {
$min = min($min, $ini);
}
if ($max > 0) {
$min = min($min, $max);
}
self::$_maxFileSize = $min;
}
return self::$_maxFileSize;
}
/**
* Sets the maximum file size of the form
*
* @param integer $size
* @return integer
*/
public function setMaxFileSize($size)
{
$ini = $this->_convertIniToInteger(trim(ini_get('post_max_size')));
$max = $this->_convertIniToInteger(trim(ini_get('upload_max_filesize')));
if (($max > -1) && ($size > $max)) {
trigger_error("Your 'upload_max_filesize' config setting limits the maximum filesize to '$max'. You tried to set '$size'.", E_USER_NOTICE);
$size = $max;
}
if (($ini > -1) && ($size > $ini)) {
trigger_error("Your 'post_max_size' config setting limits the maximum filesize to '$ini'. You tried to set '$size'.", E_USER_NOTICE);
$size = $ini;
}
self::$_maxFileSize = $size;
return $this;
}
/**
* Converts a ini setting to a integer value
*
* @param string $setting
* @return integer
*/
private function _convertIniToInteger($setting)
{
if (!is_numeric($setting)) {
$type = strtoupper(substr($setting, -1));
$setting = (integer) substr($setting, 0, -1);
switch ($type) {
case 'K' :
$setting *= 1024;
break;
case 'M' :
$setting *= 1024 * 1024;
break;
case 'G' :
$setting *= 1024 * 1024 * 1024;
break;
default :
break;
}
}
return (integer) $setting;
}
/**
* Set if the file will be uploaded when getting the value
* This defaults to false which will force receive() when calling getValues()
*
* @param boolean $flag Sets if the file is handled as the elements value
* @return Zend_Form_Element_File
*/
public function setValueDisabled($flag)
{
$this->_valueDisabled = (bool) $flag;
return $this;
}
/**
* Returns if the file will be uploaded when calling getValues()
*
* @return boolean Receive the file on calling getValues()?
*/
public function isValueDisabled()
{
return $this->_valueDisabled;
}
/**
* Processes the file, returns null or the filename only
* For the complete path, use getFileName
*
* @return null|string
*/
public function getValue()
{
if ($this->_value !== null) {
return $this->_value;
}
$content = $this->getTransferAdapter()->getFileName($this->getName());
if (empty($content)) {
return null;
}
if (!$this->isValid(null)) {
return null;
}
if (!$this->_valueDisabled && !$this->receive()) {
return null;
}
return $this->getFileName(null, false);
}
/**
* Disallow setting the value
*
* @param mixed $value
* @return Zend_Form_Element_File
*/
public function setValue($value)
{
return $this;
}
/**
* Set translator object for localization
*
* @param Zend_Translate|null $translator
* @return Zend_Form_Element_File
*/
public function setTranslator($translator = null)
{
$adapter = $this->getTransferAdapter();
$adapter->setTranslator($translator);
parent::setTranslator($translator);
return $this;
}
/**
* Retrieve localization translator object
*
* @return Zend_Translate_Adapter|null
*/
public function getTranslator()
{
$adapter = $this->getTransferAdapter();
return $adapter->getTranslator();
}
/**
* Indicate whether or not translation should be disabled
*
* @param bool $flag
* @return Zend_Form_Element_File
*/
public function setDisableTranslator($flag)
{
$adapter = $this->getTransferAdapter();
$adapter->setDisableTranslator($flag);
$this->_translatorDisabled = (bool) $flag;
return $this;
}
/**
* Is translation disabled?
*
* @return bool
*/
public function translatorIsDisabled()
{
$adapter = $this->getTransferAdapter();
return $adapter->translatorIsDisabled();
}
/**
* Was the file received?
*
* @return bool
*/
public function isReceived()
{
$adapter = $this->getTransferAdapter();
return $adapter->isReceived($this->getName());
}
/**
* Was the file uploaded?
*
* @return bool
*/
public function isUploaded()
{
$adapter = $this->getTransferAdapter();
return $adapter->isUploaded($this->getName());
}
/**
* Has the file been filtered?
*
* @return bool
*/
public function isFiltered()
{
$adapter = $this->getTransferAdapter();
return $adapter->isFiltered($this->getName());
}
/**
* Returns the hash for this file element
*
* @param string $hash (Optional) Hash algorithm to use
* @return string|array Hashstring
*/
public function getHash($hash = 'crc32')
{
$adapter = $this->getTransferAdapter();
return $adapter->getHash($hash, $this->getName());
}
/**
* Returns the filesize for this file element
*
* @return string|array Filesize
*/
public function getFileSize()
{
$adapter = $this->getTransferAdapter();
return $adapter->getFileSize($this->getName());
}
/**
* Returns the mimetype for this file element
*
* @return string|array Mimetype
*/
public function getMimeType()
{
$adapter = $this->getTransferAdapter();
return $adapter->getMimeType($this->getName());
}
/**
* Render form element
* Checks for decorator interface to prevent errors
*
* @param Zend_View_Interface $view
* @return string
*/
public function render(Zend_View_Interface $view = null)
{
$marker = false;
foreach ($this->getDecorators() as $decorator) {
if ($decorator instanceof Zend_Form_Decorator_Marker_File_Interface) {
$marker = true;
}
}
if (!$marker) {
require_once 'Zend/Form/Element/Exception.php';
throw new Zend_Form_Element_Exception('No file decorator found... unable to render file element');
}
return parent::render($view);
}
/**
* Retrieve error messages and perform translation and value substitution
*
* @return array
*/
protected function _getErrorMessages()
{
$translator = $this->getTranslator();
$messages = $this->getErrorMessages();
$value = $this->getFileName();
foreach ($messages as $key => $message) {
if (null !== $translator) {
$message = $translator->translate($message);
}
if ($this->isArray() || is_array($value)) {
$aggregateMessages = array();
foreach ($value as $val) {
$aggregateMessages[] = str_replace('%value%', $val, $message);
}
if (!empty($aggregateMessages)) {
$messages[$key] = $aggregateMessages;
}
} else {
$messages[$key] = str_replace('%value%', $value, $message);
}
}
return $messages;
}
}
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