www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/piwik/piwik/libs/HTML/QuickForm2/Rule/MimeType.php
<?php /** * Rule checking that uploaded file is of the correct MIME type * * PHP version 5 * * LICENSE: * * Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>, * Bertrand Mansion <golgote@mamasam.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * The names of the authors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * @category HTML * @package HTML_QuickForm2 * @author Alexey Borzov <avb@php.net> * @author Bertrand Mansion <golgote@mamasam.com> * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version SVN: $Id: MimeType.php 294057 2010-01-26 21:10:28Z avb $ * @link http://pear.php.net/package/HTML_QuickForm2 */ /** * Base class for HTML_QuickForm2 rules */ // require_once 'HTML/QuickForm2/Rule.php'; /** * Rule checking that uploaded file is of the correct MIME type * * The Rule needs one configuration parameter for its work: a string with a * desired MIME type or array of such strings. This parameter can be passed * either to {@link HTML_QuickForm2_Rule::__construct() the Rule constructor} * as local configuration or to {@link HTML_QuickForm2_Factory::registerRule()} * as global one. As usual, global configuration overrides local one. * * The Rule considers missing file uploads (UPLOAD_ERR_NO_FILE) valid. * * @category HTML * @package HTML_QuickForm2 * @author Alexey Borzov <avb@php.net> * @author Bertrand Mansion <golgote@mamasam.com> * @version Release: @package_version@ */ class HTML_QuickForm2_Rule_MimeType extends HTML_QuickForm2_Rule { /** * Validates the owner element * * @return bool whether uploaded file's MIME type is correct */ protected function validateOwner() { $value = $this->owner->getValue(); if (!isset($value['error']) || UPLOAD_ERR_NO_FILE == $value['error']) { return true; } $mime = $this->getConfig(); return is_array($mime)? in_array($value['type'], $mime): $value['type'] == $mime; } /** * Sets allowed MIME type(s) for the uploaded file * * @param string|array Allowed MIME type or an array of types * @return HTML_QuickForm2_Rule * @throws HTML_QuickForm2_InvalidArgumentException if bogus configuration provided */ public function setConfig($config) { if (0 == count($config) || !is_string($config) && !is_array($config)) { throw new HTML_QuickForm2_InvalidArgumentException( 'MimeType Rule requires MIME type(s), ' . preg_replace('/\s+/', ' ', var_export($config, true)) . ' given' ); } return parent::setConfig($config); } /** * Sets the element that will be validated by this rule * * @param HTML_QuickForm2_Element_InputFile File upload field to validate * @throws HTML_QuickForm2_InvalidArgumentException if trying to use * this Rule on something that isn't a file upload field */ public function setOwner(HTML_QuickForm2_Node $owner) { if (!$owner instanceof HTML_QuickForm2_Element_InputFile) { throw new HTML_QuickForm2_InvalidArgumentException( 'MimeType Rule can only validate file upload fields, '. get_class($owner) . ' given' ); } parent::setOwner($owner); } } ?>