| Current Path : /opt/cpanel/ea-php54/root/usr/share/pear/HTML/QuickForm2/Controller/Action/ |
| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/HTML/QuickForm2/Controller/Action/Jump.php |
<?php
/**
* This handler performs an HTTP redirect to a specific page
*
* PHP version 5
*
* LICENSE:
*
* Copyright (c) 2006-2014, 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
* @link http://pear.php.net/package/HTML_QuickForm2
*/
/** Interface for Controller action handlers */
require_once 'HTML/QuickForm2/Controller/Action.php';
/**
* This handler performs an HTTP redirect to a specific page
*
* @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 Release: 2.0.2
* @link http://pear.php.net/package/HTML_QuickForm2
*/
class HTML_QuickForm2_Controller_Action_Jump
implements HTML_QuickForm2_Controller_Action
{
/**
* Whether to trust $_SERVER entries coming from proxies
* @var bool
*/
protected $trustProxy = false;
/**
* Splits (part of) the URI into path and query components
*
* @param string $uri String of the form 'foo?bar'
*
* @return array Array of the form array('foo', '?bar)
*/
protected static function splitUri($uri)
{
if (false === ($qm = strpos($uri, '?'))) {
return array($uri, '');
} else {
return array(substr($uri, 0, $qm), substr($uri, $qm));
}
}
/**
* Removes the '..' and '.' segments from the path component
*
* @param string $path Path component of the URL, possibly with '.' and '..' segments
*
* @return string Path component of the URL with '.' and '..' segments removed
*/
protected static function normalizePath($path)
{
$pathAry = explode('/', $path);
$i = 1;
do {
if ('.' == $pathAry[$i]) {
if ($i < count($pathAry) - 1) {
array_splice($pathAry, $i, 1);
} else {
$pathAry[$i] = '';
$i++;
}
} elseif ('..' == $pathAry[$i]) {
if (1 == $i) {
array_splice($pathAry, 1, 1);
} elseif ('..' != $pathAry[$i - 1]) {
if ($i < count($pathAry) - 1) {
array_splice($pathAry, $i - 1, 2);
$i--;
} else {
array_splice($pathAry, $i - 1, 2, '');
}
}
} else {
$i++;
}
} while ($i < count($pathAry));
return implode('/', $pathAry);
}
/**
* Constructor, sets $trustProxy flag
*
* @param bool $trustProxy Whether to trust $_SERVER entries
* (specifically HTTP_X_FORWARDED_HOST) coming from proxies.
* Should be set to true if application is hosted behind a
* reverse proxy that you manage.
*/
public function __construct($trustProxy = false)
{
$this->trustProxy = (bool)$trustProxy;
}
/**
* Resolves relative URL using current page's URL as base
*
* The method follows procedure described in section 4 of RFC 1808 and
* passes the examples provided in section 5 of said RFC. Values from
* $_SERVER array are used for calculation of "current URL"
*
* @param string $url Relative URL, probably from form's action attribute
*
* @return string Absolute URL
*/
protected function resolveRelativeURL($url)
{
$https = !empty($_SERVER['HTTPS']) && ('off' != strtolower($_SERVER['HTTPS']));
$scheme = ($https? 'https:': 'http:');
if ('//' == substr($url, 0, 2)) {
return $scheme . $url;
} else {
if ($this->trustProxy && !empty($_SERVER['HTTP_X_FORWARDED_HOST'])) {
$parts = explode(',', $_SERVER['HTTP_X_FORWARDED_HOST']);
$host = trim(end($parts));
} else {
$host = '';
foreach (array('HTTP_HOST', 'SERVER_NAME', 'SERVER_ADDR') as $key) {
if (!empty($_SERVER[$key])) {
$host = $_SERVER[$key];
break;
}
}
}
$host = $scheme . '//' . preg_replace('/:\d+$/', '', $host)
. (($https && 443 == $_SERVER['SERVER_PORT']
|| !$https && 80 == $_SERVER['SERVER_PORT'])
? '' : ':' . $_SERVER['SERVER_PORT']);
if ('' == $url) {
return $host . $_SERVER['REQUEST_URI'];
} elseif ('/' == $url[0]) {
list($actPath, $actQuery) = self::splitUri($url);
return $host . self::normalizePath($actPath) . $actQuery;
} else {
list($basePath, $baseQuery) = self::splitUri($_SERVER['REQUEST_URI']);
list($actPath, $actQuery) = self::splitUri($url);
if ('' == $actPath) {
return $host . $basePath . $actQuery;
} else {
$path = substr($basePath, 0, strrpos($basePath, '/') + 1) . $actPath;
return $host . self::normalizePath($path) . $actQuery;
}
}
}
}
public function perform(HTML_QuickForm2_Controller_Page $page, $name)
{
// we check whether *all* pages up to current are valid
// if there is an invalid page we go to it, instead of the
// requested one
if ($page->getController()->isWizard()
&& !$page->getController()->isValid($page)
) {
$page = $page->getController()->getFirstInvalidPage();
}
// generate the URL for the page 'display' event and redirect to it
$action = $page->getForm()->getAttribute('action');
// Bug #13087: RFC 2616 requires an absolute URI in Location header
if (!preg_match('@^([a-z][a-z0-9.+-]*):@i', $action)) {
$action = $this->resolveRelativeURL($action);
}
if (!$page->getController()->propagateId()) {
$controllerId = '';
} else {
$controllerId = '&' . HTML_QuickForm2_Controller::KEY_ID . '=' .
$page->getController()->getId();
}
if (!defined('SID') || '' == SID || ini_get('session.use_only_cookies')) {
$sessionId = '';
} else {
$sessionId = '&' . SID;
}
return $this->doRedirect(
$action . (false === strpos($action, '?')? '?': '&') .
$page->getButtonName('display') . '=true' . $controllerId . $sessionId
);
}
/**
* Redirects to a given URL via Location: header and exits the script
*
* A separate method is mostly needed for creating mocks of this class
* during testing.
*
* @param string $url URL to redirect to
*/
protected function doRedirect($url)
{
header('Location: ' . $url);
exit;
}
}
?>
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