forked from extern/egroupware
743 lines
19 KiB
PHP
743 lines
19 KiB
PHP
<?php
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// Copyright (c) 1999,2000,2001 Edd Dumbill.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// * Neither the name of the "XML-RPC for PHP" nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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/* $Id$ */
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class xmlrpc_client
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{
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var $path;
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var $server;
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var $port=0;
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var $method='http';
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var $errno;
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var $errstr;
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var $debug=0;
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var $username='';
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var $password='';
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var $cert='';
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var $certpass='';
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var $verifypeer=1;
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var $verifyhost=1;
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var $no_multicall=False;
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var $proxy = '';
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var $proxyport=0;
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var $proxy_user = '';
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var $proxy_pass = '';
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/**
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* List of http compression methods accepted by the client for responses.
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* NB: PHP supports deflate, gzip compressions out of the box if compiled w. zlib
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*
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* NNB: you can set it to any non-empty array for HTTP11 and HTTPS, since
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* in those cases it will be up to CURL to decide the compression methods
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* it supports. You might check for the presence of 'zlib' in the output of
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* curl_version() to determine wheter compression is supported or not
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*/
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var $accepted_compression = array();
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/**
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* Name of compression scheme to be used for sending requests.
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* Either null, gzip or deflate
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*/
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var $request_compression = '';
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/**
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* CURL handle: used for keep-alive connections (PHP 4.3.8 up, see:
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* http://curl.haxx.se/docs/faq.html#7.3)
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*/
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var $xmlrpc_curl_handle = null;
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/// Whether to use persistent connections for http 1.1 and https
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var $keepalive = false;
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function xmlrpc_client($path, $server='', $port='', $method='')
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{
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// allow user to specify all params in $path
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if($server == '' and $port == '' and $method == '')
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{
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$parts = parse_url($path);
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$server = $parts['host'];
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$path = $parts['path'];
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if(isset($parts['query']))
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{
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$path .= '?'.$parts['query'];
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}
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if(isset($parts['fragment']))
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{
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$path .= '#'.$parts['fragment'];
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}
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if(isset($parts['port']))
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{
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$port = $parts['port'];
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}
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if(isset($parts['scheme']))
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{
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$method = $parts['scheme'];
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}
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if(isset($parts['user']))
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{
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$this->username = $parts['user'];
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}
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if(isset($parts['pass']))
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{
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$this->password = $parts['pass'];
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}
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}
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if($path == '' || $path[0] != '/')
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{
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$this->path='/'.$path;
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}
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else
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{
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$this->path=$path;
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}
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$this->server=$server;
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if($port != '')
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{
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$this->port=$port;
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}
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if($method != '')
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{
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$this->method=$method;
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}
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// if ZLIB is enabled, let the server by default accept compressed requests
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if(function_exists('gzinflate') || (
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function_exists('curl_init') && (($info = curl_version()) &&
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((is_string($info) && strpos($info, 'zlib') !== null) || isset($info['libz_version'])))
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))
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{
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$this->accepted_compression = array('gzip', 'deflate');
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}
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// keepalives: enabled by default ONLY for PHP >= 4.3.8
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// (see http://curl.haxx.se/docs/faq.html#7.3)
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if(version_compare(phpversion(), '4.3.8') >= 0)
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{
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$this->keepalive = true;
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}
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}
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function setDebug($in)
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{
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if ($in)
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{
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$this->debug = 1;
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}
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else
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{
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$this->debug = 0;
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}
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}
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function setCredentials($u, $p)
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{
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$this->username=$u;
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$this->password=$p;
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}
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function setCertificate($cert, $certpass)
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{
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$this->cert = $cert;
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$this->certpass = $certpass;
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}
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function setSSLVerifyPeer($i)
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{
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$this->verifypeer = $i;
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}
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function setSSLVerifyHost($i)
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{
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$this->verifyhost = $i;
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}
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/**
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* set proxy info
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*
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* @param string $proxyhost
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* @param string $proxyport. Defaults to 8080 for HTTP and 443 for HTTPS
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* @param string $proxyusername
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* @param string $proxypassword
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* @access public
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*/
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function setProxy($proxyhost, $proxyport, $proxyusername = '', $proxypassword = '')
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{
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$this->proxy = $proxyhost;
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$this->proxyport = $proxyport;
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$this->proxy_user = $proxyusername;
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$this->proxy_pass = $proxypassword;
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}
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function& send($msg, $timeout=0, $method='')
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{
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// if user does not specify http protocol, use native method of this client
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// (i.e. method set during call to constructor)
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if($method == '')
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{
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$method = $this->method;
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}
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if(is_array($msg))
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{
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// $msg is an array of xmlrpcmsg's
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$r =& $this->multicall($msg, $timeout, $method);
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return $r;
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}
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elseif(is_string($msg))
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{
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$n = new xmlrpcmsg('');
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$n->payload = $msg;
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$msg = $n;
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}
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// where msg is an xmlrpcmsg
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$msg->debug=$this->debug;
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switch($method)
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{
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case 'https':
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$r =& $this->sendPayloadHTTPS(
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$msg,
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$this->server,
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$this->port,
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$timeout,
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$this->username,
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$this->password,
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$this->cert,
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$this->certpass,
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$this->proxy,
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$this->proxyport,
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$this->proxy_user,
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$this->proxy_pass,
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'https',
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$this->keepalive
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);
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break;
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case 'http11':
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$r =& $this->sendPayloadCURL(
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$msg,
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$this->server,
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$this->port,
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$timeout,
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$this->username,
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$this->password,
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null,
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null,
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$this->proxy,
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$this->proxyport,
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$this->proxy_user,
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$this->proxy_pass,
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'http',
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$this->keepalive
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);
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break;
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case 'http10':
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default:
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$r =& $this->sendPayloadHTTP10(
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$msg,
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$this->server,
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$this->port,
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$timeout,
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$this->username,
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$this->password,
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$this->proxy,
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$this->proxyport,
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$this->proxy_user,
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$this->proxy_pass
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);
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}
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return $r;
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}
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function &sendPayloadHTTP10($msg, $server, $port, $timeout=0,$username='', $password='',
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$proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='')
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{
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if($port==0)
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{
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$port=80;
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}
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// Only create the payload if it was not created previously
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if(empty($msg->payload))
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{
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$msg->createPayload();
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}
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// Deflate request body and set appropriate request headers
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if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))
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{
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if($this->request_compression == 'gzip')
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{
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$a = @gzencode($msg->payload);
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if($a)
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{
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$msg->payload = $a;
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$encoding_hdr = "Content-Encoding: gzip\r\n";
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}
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}
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else
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{
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$a = @gzdeflate($msg->payload);
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if($a)
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{
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$msg->payload = $a;
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$encoding_hdr = "Content-Encoding: deflate\r\n";
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}
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}
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}
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else
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{
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$encoding_hdr = '';
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}
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// thanks to Grant Rauscher <grant7@firstworld.net>
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// for this
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$credentials='';
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if($username!='')
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{
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$credentials='Authorization: Basic ' . base64_encode($username . ':' . $password) . "\r\n";
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}
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$accepted_encoding = '';
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if(is_array($this->accepted_compression) && count($this->accepted_compression))
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{
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$accepted_encoding = 'Accept-Encoding: ' . implode(', ', $this->accepted_compression) . "\r\n";
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}
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$proxy_credentials = '';
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if($proxyhost)
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{
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if($proxyport == 0)
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{
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$proxyport = 8080;
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}
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$connectserver = $proxyhost;
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$connectport = $proxyport;
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$uri = 'http://'.$server.':'.$port.$this->path;
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if($proxyusername != '')
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{
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$proxy_credentials = 'Proxy-Authorization: Basic ' . base64_encode($proxyusername.':'.$proxypassword) . "\r\n";
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}
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}
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else
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{
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$connectserver = $server;
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$connectport = $port;
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$uri = $this->path;
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}
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$op= "POST " . $uri. " HTTP/1.0\r\n"
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. "User-Agent: " . $GLOBALS['xmlrpcName'] . " " . $GLOBALS['xmlrpcVersion'] . "\r\n"
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. 'X-EGW-Server: ' . $this->server . ' ' . "\r\n"
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. 'X-EGW-Version: ' . $GLOBALS['egw_info']['server']['versions']['phpgwapi'] . "\r\n"
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. "Host: ". $this->server . "\r\n"
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. $credentials
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. $proxy_credentials
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. $accepted_encoding
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. $encoding_hdr
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. "Accept-Charset: " . $GLOBALS['xmlrpc_defencoding'] . "\r\n"
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. "Content-Type: text/xml\r\nContent-Length: "
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. strlen($msg->payload) . "\r\n\r\n"
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. $msg->payload;
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if($timeout>0)
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{
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$fp = @fsockopen($connectserver, $connectport, $this->errno, $this->errstr, $timeout);
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}
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else
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{
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$fp = @fsockopen($connectserver, $connectport, $this->errno, $this->errstr);
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}
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if($fp)
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{
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if($timeout>0 && function_exists('stream_set_timeout'))
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{
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stream_set_timeout($fp, $timeout);
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}
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}
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else
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{
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$this->errstr='Connect error: '.$this->errstr;
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$r = CreateObject(
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'phpgwapi.xmlrpcresp',
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'',
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$GLOBALS['xmlrpcerr']['http_error'],
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$GLOBALS['xmlrpcstr']['http_error']
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);
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return $r;
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}
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if(!fputs($fp, $op, strlen($op)))
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{
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$this->errstr = 'Write error';
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return CreateObject(
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'phpgwapi.xmlrpcresp',
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'',
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$GLOBALS['xmlrpcerr']['http_error'],
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$GLOBALS['xmlrpcstr']['http_error']
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);
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}
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else
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{
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// should we reset errno and errstr on succesful socket connection?
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}
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$resp =& $msg->parseResponseFile($fp);
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// shall we move this into parseresponsefile, cuz' we have to close the socket 1st
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// and do the parsing second if we want to have recursive calls
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// (i.e. redirects)
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fclose($fp);
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return $resp;
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}
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// contributed by Justin Miller <justin@voxel.net>
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// requires curl to be built into PHP
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// NB: CURL versions before 7.11.10 cannot use proxy to talk to https servers!
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function &sendPayloadHTTPS($msg, $server, $port, $timeout=0,$username='', $password='', $cert='',$certpass='',
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$proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $keepalive=false)
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{
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$r =& $this->sendPayloadCURL($msg, $server, $port, $timeout, $username, $password, $cert, $certpass,
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$proxyhost, $proxyport, $proxyusername, $proxypassword, $keepalive);
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return $r;
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}
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function &sendPayloadCURL($msg, $server, $port, $timeout=0, $username='', $password='', $cert='', $certpass='',
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$proxyhost='', $proxyport=0, $proxyusername='', $proxypassword='', $method='https', $keepalive=false)
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{
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if(!function_exists('curl_init'))
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{
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$r = CreateObject(
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'phpgwapi.xmlrpcresp',
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'',
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$GLOBALS['xmlrpcerr']['no_curl'],
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$GLOBALS['xmlrpcstr']['no_curl']
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);
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return $r;
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}
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if($method == 'https')
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{
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if(($info = curl_version()) &&
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((is_string($info) && strpos($info, 'OpenSSL') === null) || (is_array($info) && !isset($info['ssl_version']))))
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{
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$this->errstr = 'SSL unavailable on this install';
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$r = CreateObject(
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'phpgwapi.xmlrpcresp',
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'',
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$GLOBALS['xmlrpcerr']['no_ssl'],
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$GLOBALS['xmlrpcstr']['no_ssl']
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);
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return $r;
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}
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}
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if($port == 0)
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{
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if($method == 'http')
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{
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$port = 80;
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}
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else
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{
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$port = 443;
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}
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}
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// Only create the payload if it was not created previously
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if(empty($msg->payload))
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{
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$msg->createPayload();
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}
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// Deflate request body and set appropriate request headers
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if(function_exists('gzdeflate') && ($this->request_compression == 'gzip' || $this->request_compression == 'deflate'))
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{
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if($this->request_compression == 'gzip')
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{
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$a = @gzencode($msg->payload);
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if($a)
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{
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$msg->payload = $a;
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$encoding_hdr = "Content-Encoding: gzip";
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}
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}
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else
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{
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$a = @gzdeflate($msg->payload);
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if($a)
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{
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$msg->payload = $a;
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$encoding_hdr = "Content-Encoding: deflate";
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}
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}
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}
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else
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{
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$encoding_hdr = '';
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}
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if(!$keepalive || !$this->xmlrpc_curl_handle)
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{
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$curl = curl_init($method . '://' . $server . ':' . $port . $this->path);
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if($keepalive)
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{
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$this->xmlrpc_curl_handle = $curl;
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}
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}
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else
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{
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$curl = $this->xmlrpc_curl_handle;
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}
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// results into variable
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
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if($this->debug)
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{
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curl_setopt($curl, CURLOPT_VERBOSE, 1);
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}
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curl_setopt($curl, CURLOPT_USERAGENT, $GLOBALS['xmlrpcName'].' '.$GLOBALS['xmlrpcVersion']);
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// required for XMLRPC: post the data
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curl_setopt($curl, CURLOPT_POST, 1);
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// the data
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curl_setopt($curl, CURLOPT_POSTFIELDS, $msg->payload);
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// return the header too
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|
curl_setopt($curl, CURLOPT_HTTPHEADER, array(
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'X-EGW-Server: ' . $this->server,
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'X-EGW-Version: ' . $GLOBALS['egw_info']['server']['versions']['phpgwapi'],
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'Content-Type: text/xml'
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));
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// will only work with PHP >= 5.0
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// NB: if we set an empty string, CURL will add http header indicating
|
|
// ALL methods it is supporting. This is possibly a better option than
|
|
// letting the user tell what curl can / cannot do...
|
|
if(is_array($this->accepted_compression) && count($this->accepted_compression))
|
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{
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//curl_setopt($curl, CURLOPT_ENCODING, implode(',', $this->accepted_compression));
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curl_setopt($curl, CURLOPT_ENCODING, '');
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}
|
|
// extra headers
|
|
$headers = array('Content-Type: text/xml', 'Accept-Charset: '.$GLOBALS['xmlrpc_internalencoding']);
|
|
// if no keepalive is wanted, let the server know it in advance
|
|
if(!$keepalive)
|
|
{
|
|
$headers[] = 'Connection: close';
|
|
}
|
|
// request compression header
|
|
if($encoding_hdr)
|
|
{
|
|
$headers[] = $encoding_hdr;
|
|
}
|
|
|
|
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
|
|
// timeout is borked
|
|
if($timeout)
|
|
{
|
|
curl_setopt($curl, CURLOPT_TIMEOUT, $timeout == 1 ? 1 : $timeout - 1);
|
|
}
|
|
|
|
if($username && $password)
|
|
{
|
|
curl_setopt($curl, CURLOPT_USERPWD,"$username:$password");
|
|
}
|
|
|
|
if($method == 'https')
|
|
{
|
|
// set cert file
|
|
if($cert)
|
|
{
|
|
curl_setopt($curl, CURLOPT_SSLCERT, $cert);
|
|
}
|
|
// set cert password
|
|
if($certpass)
|
|
{
|
|
curl_setopt($curl, CURLOPT_SSLCERTPASSWD, $certpass);
|
|
}
|
|
// whether to verify remote host's cert
|
|
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, $this->verifypeer);
|
|
// whether to verify cert's common name (CN); 0 for no, 1 to verify that it exists, and 2 to verify that it matches the hostname used
|
|
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, $this->verifyhost);
|
|
}
|
|
|
|
// proxy info
|
|
if($proxyhost)
|
|
{
|
|
if($proxyport == 0)
|
|
{
|
|
$proxyport = 8080; // NB: even for HTTPS, local connection is on port 8080
|
|
}
|
|
curl_setopt($curl, CURLOPT_PROXY,$proxyhost.':'.$proxyport);
|
|
//curl_setopt($curl, CURLOPT_PROXYPORT,$proxyport);
|
|
if($proxyusername)
|
|
{
|
|
curl_setopt($curl, CURLOPT_PROXYUSERPWD, $proxyusername.':'.$proxypassword);
|
|
}
|
|
}
|
|
|
|
$result = curl_exec($curl);
|
|
|
|
if(!$result)
|
|
{
|
|
$this->errstr = 'Write error';
|
|
$resp = CreateObject(
|
|
'phpgwapi.xmlrpcresp',
|
|
'',
|
|
$GLOBALS['xmlrpcerr']['curl_fail'],
|
|
$GLOBALS['xmlrpcstr']['curl_fail'] . ': ' . curl_error($curl)
|
|
);
|
|
if(!$keepalive)
|
|
{
|
|
curl_close($curl);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!$keepalive)
|
|
{
|
|
curl_close($curl);
|
|
}
|
|
$resp =& $msg->parseResponse($result, true);
|
|
}
|
|
return $resp;
|
|
}
|
|
|
|
function& multicall($msgs, $timeout=0, $method='http')
|
|
{
|
|
$results = false;
|
|
|
|
if(!$this->no_multicall)
|
|
{
|
|
$results = $this->_try_multicall($msgs, $timeout, $method);
|
|
if($results !== false)
|
|
{
|
|
// Either the system.multicall succeeded, or the send
|
|
// failed (e.g. due to HTTP timeout). In either case,
|
|
// we're done for now.
|
|
return $results;
|
|
}
|
|
else
|
|
{
|
|
// system.multicall unsupported by server,
|
|
// don't try it next time...
|
|
$this->no_multicall = true;
|
|
}
|
|
}
|
|
|
|
// system.multicall is unupported by server:
|
|
// Emulate multicall via multiple requests
|
|
$results = array();
|
|
foreach($msgs as $msg)
|
|
{
|
|
$results[] =& $this->send($msg, $timeout, $method);
|
|
}
|
|
return $results;
|
|
}
|
|
|
|
// Attempt to boxcar $msgs via system.multicall.
|
|
function _try_multicall($msgs, $timeout, $method)
|
|
{
|
|
// Construct multicall message
|
|
$calls = array();
|
|
foreach($msgs as $msg)
|
|
{
|
|
$call['methodName'] = new xmlrpcval($msg->method(),'string');
|
|
$numParams = $msg->getNumParams();
|
|
$params = array();
|
|
for($i = 0; $i < $numParams; $i++)
|
|
{
|
|
$params[$i] = $msg->getParam($i);
|
|
}
|
|
$call['params'] = new xmlrpcval($params, 'array');
|
|
$calls[] = new xmlrpcval($call, 'struct');
|
|
}
|
|
$multicall = new xmlrpcmsg('system.multicall');
|
|
$multicall->addParam(new xmlrpcval($calls, 'array'));
|
|
|
|
// Attempt RPC call
|
|
$result =& $this->send($multicall, $timeout, $method);
|
|
//if(!is_object($result))
|
|
//{
|
|
// return ($result || 0); // transport failed
|
|
//}
|
|
|
|
if($result->faultCode() != 0)
|
|
{
|
|
return false; // system.multicall failed
|
|
}
|
|
|
|
// Unpack responses.
|
|
$rets = $result->value();
|
|
if($rets->kindOf() != 'array')
|
|
{
|
|
return false; // bad return type from system.multicall
|
|
}
|
|
$numRets = $rets->arraysize();
|
|
if($numRets != count($msgs))
|
|
{
|
|
return false; // wrong number of return values.
|
|
}
|
|
|
|
$response = array();
|
|
for($i = 0; $i < $numRets; $i++)
|
|
{
|
|
$val = $rets->arraymem($i);
|
|
switch($val->kindOf())
|
|
{
|
|
case 'array':
|
|
if($val->arraysize() != 1)
|
|
{
|
|
return false; // Bad value
|
|
}
|
|
// Normal return value
|
|
$response[$i] = new xmlrpcresp($val->arraymem(0));
|
|
break;
|
|
case 'struct':
|
|
$code = $val->structmem('faultCode');
|
|
if($code->kindOf() != 'scalar' || $code->scalartyp() != 'int')
|
|
{
|
|
return false;
|
|
}
|
|
$str = $val->structmem('faultString');
|
|
if($str->kindOf() != 'scalar' || $str->scalartyp() != 'string')
|
|
{
|
|
return false;
|
|
}
|
|
$response[$i] = new xmlrpcresp(0, $code->scalarval(), $str->scalarval());
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
return $response;
|
|
}
|
|
} // end class xmlrpc_client
|
|
?>
|