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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
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// LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{
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/**
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* +-----------------------------------------------------------------------------+
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* | Copyright (c) 2004-2006 Sergio Goncalves Carvalho |
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* +-----------------------------------------------------------------------------+
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* | This file is part of XML_RPC2. |
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* | |
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* | XML_RPC2 is free software; you can redistribute it and/or modify |
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* | it under the terms of the GNU Lesser General Public License as published by |
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* | the Free Software Foundation; either version 2.1 of the License, or |
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* | (at your option) any later version. |
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* | |
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* | XML_RPC2 is distributed in the hope that it will be useful, |
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* | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* | GNU Lesser General Public License for more details. |
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* | |
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* | You should have received a copy of the GNU Lesser General Public License |
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* | along with XML_RPC2; if not, write to the Free Software |
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* | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* | 02111-1307 USA |
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* +-----------------------------------------------------------------------------+
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* | Author: Sergio Carvalho <sergio.carvalho@portugalmail.com> |
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* +-----------------------------------------------------------------------------+
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*
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* @category XML
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* @package XML_RPC2
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* @author Sergio Carvalho <sergio.carvalho@portugalmail.com>
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* @copyright 2004-2006 Sergio Carvalho
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @version CVS: $Id: Base64.php 205681 2006-01-22 01:57:00Z fab $
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* @link http://pear.php.net/package/XML_RPC2
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*/
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// }}}
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// dependencies {{{
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require_once 'XML/RPC2/Exception.php';
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require_once 'XML/RPC2/Backend/Php/Value/Scalar.php';
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// }}}
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/**
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* XML_RPC base64 value class. Instances of this class represent base64-encoded string scalars in XML_RPC
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*
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* To work on a compatible way with the xmlrpcext backend, we introduce a particular "nativeValue" which is
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* a standard class (stdclass) with two public properties :
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* scalar => the string (non encoded)
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* xmlrpc_type => 'base64'
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*
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* The constructor can be called with a "classic" string or with a such object
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*
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* @category XML
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* @package XML_RPC2
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* @author Sergio Carvalho <sergio.carvalho@portugalmail.com>
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* @copyright 2004-2006 Sergio Carvalho
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* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
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* @link http://pear.php.net/package/XML_RPC2
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*/
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class XML_RPC2_Backend_Php_Value_Base64 extends XML_RPC2_Backend_Php_Value
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{
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// {{{ constructor
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/**
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* Constructor. Will build a new XML_RPC2_Backend_Php_Value_Base64 with the given value
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*
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* This class handles encoding-decoding internally. Do not provide the
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* native string base64-encoded
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*
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* @param mixed String $nativeValue to be transmited base64-encoded or "stdclass native value"
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*/
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public function __construct($nativeValue)
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{
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if ((is_object($nativeValue)) &&(strtolower(get_class($nativeValue)) == 'stdclass') && (isset($nativeValue->xmlrpc_type))) {
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$scalar = $nativeValue->scalar;
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} else {
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if (!is_string($nativeValue)) {
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throw new XML_RPC2_InvalidTypeException(sprintf('Cannot create XML_RPC2_Backend_Php_Value_Base64 from type \'%s\'.', gettype($nativeValue)));
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}
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$scalar = $nativeValue;
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}
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$tmp = new stdclass();
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$tmp->scalar = $scalar;
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$tmp->xmlrpc_type = 'base64';
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$this->setNativeValue($tmp);
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}
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// }}}
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// {{{ encode()
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/**
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* Encode the instance into XML, for transport
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*
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* @return string The encoded XML-RPC value,
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*/
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public function encode()
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{
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$native = $this->getNativeValue();
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return '<base64>' . base64_encode($native->scalar) . '</base64>';
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}
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// }}}
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// {{{ decode()
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/**
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* Decode transport XML and set the instance value accordingly
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*
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* @param mixed $xml The encoded XML-RPC value,
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*/
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public static function decode($xml)
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{
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// TODO Remove reparsing of XML fragment, when SimpleXML proves more solid. Currently it segfaults when
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// xpath is used both in an element and in one of its children
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$xml = simplexml_load_string($xml->asXML());
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$value = $xml->xpath('/value/base64/text()');
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if (!array_key_exists(0, $value)) {
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$value = $xml->xpath('/value/text()');
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}
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// Emulate xmlrpcext results (to be able to switch from a backend to another)
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$result = new stdclass();
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$result->scalar = base64_decode($value[0]);
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$result->xmlrpc_type = 'base64';
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return $result;
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}
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// }}}
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}
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?>
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