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- <?php
- /* vim: set expandtab tabstop=4 shiftwidth=4: */
- // +----------------------------------------------------------------------+
- // | PHP version 4.0 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
- // +----------------------------------------------------------------------+
- // | This source file is subject to version 2.0 of the PHP license, |
- // | that is bundled with this package in the file LICENSE, and is |
- // | available at through the world-wide-web at |
- // | http://www.php.net/license/2_02.txt. |
- // | If you did not receive a copy of the PHP license and are unable to |
- // | obtain it through the world-wide-web, please send a note to |
- // | license@php.net so we can mail you a copy immediately. |
- // +----------------------------------------------------------------------+
- // | Authors: Adam Daniel <adaniel1@eesus.jnj.com> |
- // | Bertrand Mansion <bmansion@mamasam.com> |
- // +----------------------------------------------------------------------+
- //
- // $Id: file.php,v 1.18 2003/11/01 15:03:50 avb Exp $
-
- require_once("HTML/QuickForm/input.php");
-
- // register file-related rules
- if (class_exists('HTML_QuickForm')) {
- HTML_QuickForm::registerRule('uploadedfile', 'callback', '_ruleIsUploadedFile', 'HTML_QuickForm_file');
- HTML_QuickForm::registerRule('maxfilesize', 'callback', '_ruleCheckMaxFileSize', 'HTML_QuickForm_file');
- HTML_QuickForm::registerRule('mimetype', 'callback', '_ruleCheckMimeType', 'HTML_QuickForm_file');
- HTML_QuickForm::registerRule('filename', 'callback', '_ruleCheckFileName', 'HTML_QuickForm_file');
- }
-
- /**
- * HTML class for a file type element
- *
- * @author Adam Daniel <adaniel1@eesus.jnj.com>
- * @author Bertrand Mansion <bmansion@mamasam.com>
- * @version 1.0
- * @since PHP4.04pl1
- * @access public
- */
- class HTML_QuickForm_file extends HTML_QuickForm_input
- {
- // {{{ properties
-
- /**
- * Uploaded file data, from $_FILES
- * @var array
- */
- var $_value = null;
-
- // }}}
- // {{{ constructor
-
- /**
- * Class constructor
- *
- * @param string Input field name attribute
- * @param string Input field label
- * @param mixed (optional)Either a typical HTML attribute string
- * or an associative array
- * @since 1.0
- * @access public
- */
- function HTML_QuickForm_file($elementName=null, $elementLabel=null, $attributes=null)
- {
- HTML_QuickForm_input::HTML_QuickForm_input($elementName, $elementLabel, $attributes);
- $this->setType('file');
- } //end constructor
-
- // }}}
- // {{{ setSize()
-
- /**
- * Sets size of file element
- *
- * @param int Size of file element
- * @since 1.0
- * @access public
- */
- function setSize($size)
- {
- $this->updateAttributes(array('size' => $size));
- } //end func setSize
-
- // }}}
- // {{{ getSize()
-
- /**
- * Returns size of file element
- *
- * @since 1.0
- * @access public
- * @return int
- */
- function getSize()
- {
- return $this->getAttribute('size');
- } //end func getSize
-
- // }}}
- // {{{ freeze()
-
- /**
- * Freeze the element so that only its value is returned
- *
- * @access public
- * @return bool
- */
- function freeze()
- {
- return false;
- } //end func freeze
-
- // }}}
- // {{{ setValue()
-
- /**
- * Sets value for file element.
- *
- * Actually this does nothing. The function is defined here to override
- * HTML_Quickform_input's behaviour of setting the 'value' attribute. As
- * no sane user-agent uses <input type="file">'s value for anything
- * (because of security implications) we implement file's value as a
- * read-only property with a special meaning.
- *
- * @param mixed Value for file element
- * @since 3.0
- * @access public
- */
- function setValue($value)
- {
- return null;
- } //end func setValue
-
- // }}}
- // {{{ getValue()
-
- /**
- * Returns information about the uploaded file
- *
- * @since 3.0
- * @access public
- * @return array
- */
- function getValue()
- {
- return $this->_value;
- } // end func getValue
-
- // }}}
- // {{{ onQuickFormEvent()
-
- /**
- * Called by HTML_QuickForm whenever form event is made on this element
- *
- * @param string Name of event
- * @param mixed event arguments
- * @param object calling object
- * @since 1.0
- * @access public
- * @return bool
- */
- function onQuickFormEvent($event, $arg, &$caller)
- {
- switch ($event) {
- case 'updateValue':
- if ($caller->getAttribute('method') == 'get') {
- return PEAR::raiseError('Cannot add a file upload field to a GET method form');
- }
- $this->_value = $this->_findValue();
- $caller->updateAttributes(array('enctype' => 'multipart/form-data'));
- $caller->setMaxFileSize();
- break;
- case 'addElement':
- $this->onQuickFormEvent('createElement', $arg, $caller);
- return $this->onQuickFormEvent('updateValue', null, $caller);
- break;
- case 'createElement':
- $className = get_class($this);
- $this->$className($arg[0], $arg[1], $arg[2]);
- break;
- }
- return true;
- } // end func onQuickFormEvent
-
- // }}}
- // {{{ moveUploadedFile()
-
- /**
- * Moves an uploaded file into the destination
- *
- * @param string Destination directory path
- * @param string New file name
- * @access public
- */
- function moveUploadedFile($dest, $fileName = '')
- {
- if ($dest != '' && substr($dest, -1) != '/') {
- $dest .= '/';
- }
- $fileName = ($fileName != '') ? $fileName : basename($this->_value['name']);
- if (move_uploaded_file($this->_value['tmp_name'], $dest . $fileName)) {
- return true;
- } else {
- return false;
- }
- } // end func moveUploadedFile
-
- // }}}
- // {{{ isUploadedFile()
-
- /**
- * Checks if the element contains an uploaded file
- *
- * @access public
- * @return bool true if file has been uploaded, false otherwise
- */
- function isUploadedFile()
- {
- return $this->_ruleIsUploadedFile($this->_value);
- } // end func isUploadedFile
-
- // }}}
- // {{{ _ruleIsUploadedFile()
-
- /**
- * Checks if the given element contains an uploaded file
- *
- * @param array Uploaded file info (from $_FILES)
- * @access private
- * @return bool true if file has been uploaded, false otherwise
- */
- function _ruleIsUploadedFile($elementValue)
- {
- if ((isset($elementValue['error']) && $elementValue['error'] == 0) ||
- (!empty($elementValue['tmp_name']) && $elementValue['tmp_name'] != 'none')) {
- return is_uploaded_file($elementValue['tmp_name']);
- } else {
- return false;
- }
- } // end func _ruleIsUploadedFile
-
- // }}}
- // {{{ _ruleCheckMaxFileSize()
-
- /**
- * Checks that the file does not exceed the max file size
- *
- * @param array Uploaded file info (from $_FILES)
- * @param int Max file size
- * @access private
- * @return bool true if filesize is lower than maxsize, false otherwise
- */
- function _ruleCheckMaxFileSize($elementValue, $maxSize)
- {
- if (!HTML_QuickForm_file::_ruleIsUploadedFile($elementValue)) {
- return true;
- }
- return ($maxSize >= @filesize($elementValue['tmp_name']));
- } // end func _ruleCheckMaxFileSize
-
- // }}}
- // {{{ _ruleCheckMimeType()
-
- /**
- * Checks if the given element contains an uploaded file of the right mime type
- *
- * @param array Uploaded file info (from $_FILES)
- * @param mixed Mime Type (can be an array of allowed types)
- * @access private
- * @return bool true if mimetype is correct, false otherwise
- */
- function _ruleCheckMimeType($elementValue, $mimeType)
- {
- if (!HTML_QuickForm_file::_ruleIsUploadedFile($elementValue)) {
- return true;
- }
- if (is_array($mimeType)) {
- return in_array($elementValue['type'], $mimeType);
- }
- return $elementValue['type'] == $mimeType;
- } // end func _ruleCheckMimeType
-
- // }}}
- // {{{ _ruleCheckFileName()
-
- /**
- * Checks if the given element contains an uploaded file of the filename regex
- *
- * @param array Uploaded file info (from $_FILES)
- * @param string Regular expression
- * @access private
- * @return bool true if name matches regex, false otherwise
- */
- function _ruleCheckFileName($elementValue, $regex)
- {
- if (!HTML_QuickForm_file::_ruleIsUploadedFile($elementValue)) {
- return true;
- }
- return preg_match($regex, $elementValue['name']);
- } // end func _ruleCheckFileName
-
- // }}}
- // {{{ _findValue()
-
- /**
- * Tries to find the element value from the values array
- *
- * Needs to be redefined here as $_FILES is populated differently from
- * other arrays when element name is of the form foo[bar]
- *
- * @access private
- * @return mixed
- */
- function _findValue()
- {
- if (empty($_FILES)) {
- return null;
- }
- $elementName = $this->getName();
- if (isset($_FILES[$elementName])) {
- return $_FILES[$elementName];
- } elseif (false !== ($pos = strpos($elementName, '['))) {
- $base = substr($elementName, 0, $pos);
- $idx = "['" . str_replace(array(']', '['), array('', "']['"), substr($elementName, $pos + 1, -1)) . "']";
- $props = array('name', 'type', 'size', 'tmp_name', 'error');
- $code = "if (!isset(\$_FILES['{$base}']['name']{$idx})) {\n" .
- " return null;\n" .
- "} else {\n" .
- " \$value = array();\n";
- foreach ($props as $prop) {
- $code .= " \$value['{$prop}'] = \$_FILES['{$base}']['{$prop}']{$idx};\n";
- }
- return eval($code . " return \$value;\n}\n");
- } else {
- return null;
- }
- }
-
- // }}}
- } // end class HTML_QuickForm_file
- ?>
-