520 lines
18 KiB
PHP
520 lines
18 KiB
PHP
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<?php
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/**
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* PEAR_Remote
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Remote.php,v 1.76 2006/03/02 18:14:13 cellog Exp $
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 0.1
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*/
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/**
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* needed for PEAR_Error
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*/
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require_once 'PEAR.php';
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require_once 'PEAR/Config.php';
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/**
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* This is a class for doing remote operations against the central
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* PEAR database.
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*
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* @nodep XML_RPC_Value
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* @nodep XML_RPC_Message
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* @nodep XML_RPC_Client
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.4.11
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* @link http://pear.php.net/package/PEAR
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* @since Class available since Release 0.1
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*/
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class PEAR_Remote extends PEAR
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{
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// {{{ properties
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var $config = null;
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var $cache = null;
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/**
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* @var PEAR_Registry
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* @access private
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*/
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var $_registry;
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// }}}
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// {{{ PEAR_Remote(config_object)
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function PEAR_Remote(&$config)
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{
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$this->PEAR();
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$this->config = &$config;
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$this->_registry = &$this->config->getRegistry();
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}
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// }}}
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// {{{ setRegistry()
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function setRegistry(&$reg)
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{
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$this->_registry = &$reg;
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}
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// }}}
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// {{{ getCache()
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function getCache($args)
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{
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$id = md5(serialize($args));
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$cachedir = $this->config->get('cache_dir');
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$filename = $cachedir . DIRECTORY_SEPARATOR . 'xmlrpc_cache_' . $id;
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if (!file_exists($filename)) {
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return null;
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}
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$fp = fopen($filename, 'rb');
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if (!$fp) {
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return null;
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}
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if (function_exists('file_get_contents')) {
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fclose($fp);
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$content = file_get_contents($filename);
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} else {
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$content = fread($fp, filesize($filename));
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fclose($fp);
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}
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$result = array(
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'age' => time() - filemtime($filename),
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'lastChange' => filemtime($filename),
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'content' => unserialize($content),
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);
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return $result;
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}
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// }}}
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// {{{ saveCache()
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function saveCache($args, $data)
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{
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$id = md5(serialize($args));
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$cachedir = $this->config->get('cache_dir');
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if (!file_exists($cachedir)) {
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System::mkdir(array('-p', $cachedir));
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}
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$filename = $cachedir.'/xmlrpc_cache_'.$id;
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$fp = @fopen($filename, "wb");
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if ($fp) {
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fwrite($fp, serialize($data));
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fclose($fp);
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}
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}
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// }}}
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// {{{ clearCache()
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function clearCache($method, $args)
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{
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array_unshift($args, $method);
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array_unshift($args, $this->config->get('default_channel')); // cache by channel
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$id = md5(serialize($args));
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$cachedir = $this->config->get('cache_dir');
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$filename = $cachedir.'/xmlrpc_cache_'.$id;
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if (file_exists($filename)) {
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@unlink($filename);
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}
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}
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// }}}
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// {{{ call(method, [args...])
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function call($method)
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{
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$_args = $args = func_get_args();
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$server_channel = $this->config->get('default_channel');
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$channel = $this->_registry->getChannel($server_channel);
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if (!PEAR::isError($channel)) {
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$mirror = $this->config->get('preferred_mirror');
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if ($channel->getMirror($mirror)) {
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if ($channel->supports('xmlrpc', $method, $mirror)) {
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$server_channel = $server_host = $mirror; // use the preferred mirror
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$server_port = $channel->getPort($mirror);
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} elseif (!$channel->supports('xmlrpc', $method)) {
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return $this->raiseError("Channel $server_channel does not " .
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"support xml-rpc method $method");
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}
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}
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if (!isset($server_host)) {
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if (!$channel->supports('xmlrpc', $method)) {
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return $this->raiseError("Channel $server_channel does not support " .
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"xml-rpc method $method");
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} else {
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$server_host = $server_channel;
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$server_port = $channel->getPort();
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}
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}
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} else {
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return $this->raiseError("Unknown channel '$server_channel'");
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}
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array_unshift($_args, $server_channel); // cache by channel
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$this->cache = $this->getCache($_args);
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$cachettl = $this->config->get('cache_ttl');
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// If cache is newer than $cachettl seconds, we use the cache!
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if ($this->cache !== null && $this->cache['age'] < $cachettl) {
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return $this->cache['content'];
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}
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if (extension_loaded("xmlrpc")) {
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$result = call_user_func_array(array(&$this, 'call_epi'), $args);
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if (!PEAR::isError($result)) {
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$this->saveCache($_args, $result);
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}
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return $result;
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} elseif (!@include_once 'XML/RPC.php') {
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return $this->raiseError("For this remote PEAR operation you need to load the xmlrpc extension or install XML_RPC");
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}
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array_shift($args);
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$username = $this->config->get('username');
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$password = $this->config->get('password');
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$eargs = array();
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foreach($args as $arg) {
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$eargs[] = $this->_encode($arg);
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}
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$f = new XML_RPC_Message($method, $eargs);
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if ($this->cache !== null) {
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$maxAge = '?maxAge='.$this->cache['lastChange'];
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} else {
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$maxAge = '';
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}
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$proxy_host = $proxy_port = $proxy_user = $proxy_pass = '';
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if ($proxy = parse_url($this->config->get('http_proxy'))) {
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$proxy_host = @$proxy['host'];
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if (isset($proxy['scheme']) && $proxy['scheme'] == 'https') {
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$proxy_host = 'https://' . $proxy_host;
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}
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$proxy_port = @$proxy['port'];
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$proxy_user = @urldecode(@$proxy['user']);
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$proxy_pass = @urldecode(@$proxy['pass']);
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}
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$shost = $server_host;
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if ($channel->getSSL()) {
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$shost = "https://$shost";
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}
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$c = new XML_RPC_Client('/' . $channel->getPath('xmlrpc')
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. $maxAge, $shost, $server_port, $proxy_host, $proxy_port,
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$proxy_user, $proxy_pass);
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if ($username && $password) {
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$c->setCredentials($username, $password);
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}
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if ($this->config->get('verbose') >= 3) {
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$c->setDebug(1);
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}
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$r = $c->send($f);
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if (!$r) {
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return $this->raiseError("XML_RPC send failed");
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}
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$v = $r->value();
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if ($e = $r->faultCode()) {
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if ($e == $GLOBALS['XML_RPC_err']['http_error'] && strstr($r->faultString(), '304 Not Modified') !== false) {
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return $this->cache['content'];
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}
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return $this->raiseError($r->faultString(), $e);
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}
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$result = XML_RPC_decode($v);
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$this->saveCache($_args, $result);
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return $result;
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}
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// }}}
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// {{{ call_epi(method, [args...])
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function call_epi($method)
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{
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do {
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if (extension_loaded("xmlrpc")) {
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break;
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}
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if (OS_WINDOWS) {
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$ext = 'dll';
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} elseif (PHP_OS == 'HP-UX') {
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$ext = 'sl';
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} elseif (PHP_OS == 'AIX') {
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$ext = 'a';
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} else {
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$ext = 'so';
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}
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$ext = OS_WINDOWS ? 'dll' : 'so';
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@dl("xmlrpc-epi.$ext");
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if (extension_loaded("xmlrpc")) {
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break;
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}
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@dl("xmlrpc.$ext");
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if (extension_loaded("xmlrpc")) {
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break;
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}
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return $this->raiseError("unable to load xmlrpc extension");
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} while (false);
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$server_channel = $this->config->get('default_channel');
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$channel = $this->_registry->getChannel($server_channel);
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if (!PEAR::isError($channel)) {
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$mirror = $this->config->get('preferred_mirror');
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if ($channel->getMirror($mirror)) {
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if ($channel->supports('xmlrpc', $method, $mirror)) {
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$server_channel = $server_host = $mirror; // use the preferred mirror
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$server_port = $channel->getPort($mirror);
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} elseif (!$channel->supports('xmlrpc', $method)) {
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return $this->raiseError("Channel $server_channel does not " .
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"support xml-rpc method $method");
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}
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}
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if (!isset($server_host)) {
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if (!$channel->supports('xmlrpc', $method)) {
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return $this->raiseError("Channel $server_channel does not support " .
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"xml-rpc method $method");
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} else {
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$server_host = $server_channel;
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$server_port = $channel->getPort();
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}
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}
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} else {
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return $this->raiseError("Unknown channel '$server_channel'");
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}
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$params = func_get_args();
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array_shift($params);
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$method = str_replace("_", ".", $method);
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$request = xmlrpc_encode_request($method, $params);
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if ($http_proxy = $this->config->get('http_proxy')) {
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$proxy = parse_url($http_proxy);
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$proxy_host = $proxy_port = $proxy_user = $proxy_pass = '';
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$proxy_host = @$proxy['host'];
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if (isset($proxy['scheme']) && $proxy['scheme'] == 'https') {
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$proxy_host = 'ssl://' . $proxy_host;
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}
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$proxy_port = @$proxy['port'];
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$proxy_user = @urldecode(@$proxy['user']);
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$proxy_pass = @urldecode(@$proxy['pass']);
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$fp = @fsockopen($proxy_host, $proxy_port);
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$use_proxy = true;
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if ($channel->getSSL()) {
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$server_host = "https://$server_host";
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}
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} else {
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$use_proxy = false;
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$ssl = $channel->getSSL();
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$fp = @fsockopen(($ssl ? 'ssl://' : '') . $server_host, $server_port);
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if (!$fp) {
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$server_host = "$ssl$server_host"; // for error-reporting
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}
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}
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if (!$fp && $http_proxy) {
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return $this->raiseError("PEAR_Remote::call: fsockopen(`$proxy_host', $proxy_port) failed");
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} elseif (!$fp) {
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return $this->raiseError("PEAR_Remote::call: fsockopen(`$server_host', $server_port) failed");
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}
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$len = strlen($request);
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$req_headers = "Host: $server_host:$server_port\r\n" .
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"Content-type: text/xml\r\n" .
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"Content-length: $len\r\n";
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$username = $this->config->get('username');
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$password = $this->config->get('password');
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if ($username && $password) {
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$req_headers .= "Cookie: PEAR_USER=$username; PEAR_PW=$password\r\n";
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$tmp = base64_encode("$username:$password");
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$req_headers .= "Authorization: Basic $tmp\r\n";
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}
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if ($this->cache !== null) {
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$maxAge = '?maxAge='.$this->cache['lastChange'];
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} else {
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$maxAge = '';
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}
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if ($use_proxy && $proxy_host != '' && $proxy_user != '') {
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$req_headers .= 'Proxy-Authorization: Basic '
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.base64_encode($proxy_user.':'.$proxy_pass)
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."\r\n";
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}
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if ($this->config->get('verbose') > 3) {
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print "XMLRPC REQUEST HEADERS:\n";
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var_dump($req_headers);
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print "XMLRPC REQUEST BODY:\n";
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var_dump($request);
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}
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if ($use_proxy && $proxy_host != '') {
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$post_string = "POST http://".$server_host;
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|
|
if ($proxy_port > '') {
|
||
|
|
$post_string .= ':'.$server_port;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$post_string = "POST ";
|
||
|
|
}
|
||
|
|
|
||
|
|
$path = '/' . $channel->getPath('xmlrpc');
|
||
|
|
fwrite($fp, ($post_string . $path . "$maxAge HTTP/1.0\r\n$req_headers\r\n$request"));
|
||
|
|
$response = '';
|
||
|
|
$line1 = fgets($fp, 2048);
|
||
|
|
if (!preg_match('!^HTTP/[0-9\.]+ (\d+) (.*)!', $line1, $matches)) {
|
||
|
|
return $this->raiseError("PEAR_Remote: invalid HTTP response from XML-RPC server");
|
||
|
|
}
|
||
|
|
switch ($matches[1]) {
|
||
|
|
case "200": // OK
|
||
|
|
break;
|
||
|
|
case "304": // Not Modified
|
||
|
|
return $this->cache['content'];
|
||
|
|
case "401": // Unauthorized
|
||
|
|
if ($username && $password) {
|
||
|
|
return $this->raiseError("PEAR_Remote ($server_host:$server_port) " .
|
||
|
|
": authorization failed", 401);
|
||
|
|
} else {
|
||
|
|
return $this->raiseError("PEAR_Remote ($server_host:$server_port) " .
|
||
|
|
": authorization required, please log in first", 401);
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
return $this->raiseError("PEAR_Remote ($server_host:$server_port) : " .
|
||
|
|
"unexpected HTTP response", (int)$matches[1], null, null,
|
||
|
|
"$matches[1] $matches[2]");
|
||
|
|
}
|
||
|
|
while (trim(fgets($fp, 2048)) != ''); // skip rest of headers
|
||
|
|
while ($chunk = fread($fp, 10240)) {
|
||
|
|
$response .= $chunk;
|
||
|
|
}
|
||
|
|
fclose($fp);
|
||
|
|
if ($this->config->get('verbose') > 3) {
|
||
|
|
print "XMLRPC RESPONSE:\n";
|
||
|
|
var_dump($response);
|
||
|
|
}
|
||
|
|
$ret = xmlrpc_decode($response);
|
||
|
|
if (is_array($ret) && isset($ret['__PEAR_TYPE__'])) {
|
||
|
|
if ($ret['__PEAR_TYPE__'] == 'error') {
|
||
|
|
if (isset($ret['__PEAR_CLASS__'])) {
|
||
|
|
$class = $ret['__PEAR_CLASS__'];
|
||
|
|
} else {
|
||
|
|
$class = "PEAR_Error";
|
||
|
|
}
|
||
|
|
if ($ret['code'] === '') $ret['code'] = null;
|
||
|
|
if ($ret['message'] === '') $ret['message'] = null;
|
||
|
|
if ($ret['userinfo'] === '') $ret['userinfo'] = null;
|
||
|
|
if (strtolower($class) == 'db_error') {
|
||
|
|
$ret = $this->raiseError(PEAR::errorMessage($ret['code']),
|
||
|
|
$ret['code'], null, null,
|
||
|
|
$ret['userinfo']);
|
||
|
|
} else {
|
||
|
|
$ret = $this->raiseError($ret['message'], $ret['code'],
|
||
|
|
null, null, $ret['userinfo']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} elseif (is_array($ret) && sizeof($ret) == 1 && isset($ret[0])
|
||
|
|
&& is_array($ret[0]) &&
|
||
|
|
!empty($ret[0]['faultString']) &&
|
||
|
|
!empty($ret[0]['faultCode'])) {
|
||
|
|
extract($ret[0]);
|
||
|
|
$faultString = "XML-RPC Server Fault: " .
|
||
|
|
str_replace("\n", " ", $faultString);
|
||
|
|
return $this->raiseError($faultString, $faultCode);
|
||
|
|
} elseif (is_array($ret) && sizeof($ret) == 2 && !empty($ret['faultString']) &&
|
||
|
|
!empty($ret['faultCode'])) {
|
||
|
|
extract($ret);
|
||
|
|
$faultString = "XML-RPC Server Fault: " .
|
||
|
|
str_replace("\n", " ", $faultString);
|
||
|
|
return $this->raiseError($faultString, $faultCode);
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
|
||
|
|
// {{{ _encode
|
||
|
|
|
||
|
|
// a slightly extended version of XML_RPC_encode
|
||
|
|
function _encode($php_val)
|
||
|
|
{
|
||
|
|
global $XML_RPC_Boolean, $XML_RPC_Int, $XML_RPC_Double;
|
||
|
|
global $XML_RPC_String, $XML_RPC_Array, $XML_RPC_Struct;
|
||
|
|
|
||
|
|
$type = gettype($php_val);
|
||
|
|
$xmlrpcval = new XML_RPC_Value;
|
||
|
|
|
||
|
|
switch($type) {
|
||
|
|
case "array":
|
||
|
|
reset($php_val);
|
||
|
|
$firstkey = key($php_val);
|
||
|
|
end($php_val);
|
||
|
|
$lastkey = key($php_val);
|
||
|
|
reset($php_val);
|
||
|
|
if ($firstkey === 0 && is_int($lastkey) &&
|
||
|
|
($lastkey + 1) == count($php_val)) {
|
||
|
|
$is_continuous = true;
|
||
|
|
reset($php_val);
|
||
|
|
$size = count($php_val);
|
||
|
|
for ($expect = 0; $expect < $size; $expect++, next($php_val)) {
|
||
|
|
if (key($php_val) !== $expect) {
|
||
|
|
$is_continuous = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($is_continuous) {
|
||
|
|
reset($php_val);
|
||
|
|
$arr = array();
|
||
|
|
while (list($k, $v) = each($php_val)) {
|
||
|
|
$arr[$k] = $this->_encode($v);
|
||
|
|
}
|
||
|
|
$xmlrpcval->addArray($arr);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// fall though if not numerical and continuous
|
||
|
|
case "object":
|
||
|
|
$arr = array();
|
||
|
|
while (list($k, $v) = each($php_val)) {
|
||
|
|
$arr[$k] = $this->_encode($v);
|
||
|
|
}
|
||
|
|
$xmlrpcval->addStruct($arr);
|
||
|
|
break;
|
||
|
|
case "integer":
|
||
|
|
$xmlrpcval->addScalar($php_val, $XML_RPC_Int);
|
||
|
|
break;
|
||
|
|
case "double":
|
||
|
|
$xmlrpcval->addScalar($php_val, $XML_RPC_Double);
|
||
|
|
break;
|
||
|
|
case "string":
|
||
|
|
case "NULL":
|
||
|
|
$xmlrpcval->addScalar($php_val, $XML_RPC_String);
|
||
|
|
break;
|
||
|
|
case "boolean":
|
||
|
|
$xmlrpcval->addScalar($php_val, $XML_RPC_Boolean);
|
||
|
|
break;
|
||
|
|
case "unknown type":
|
||
|
|
default:
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return $xmlrpcval;
|
||
|
|
}
|
||
|
|
|
||
|
|
// }}}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|