<?php
/**************************************************************************\
* phpGroupWare API - phpgw Inter-server communications class *
* This file written by Miles Lott <milosch@phpgroupware.org> *
* Maintain list and provide send interface to remote phpgw servers *
* Copyright (C) 2001 Miles Lott *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class interserver
{
var $db;
var $accounts;
var $table = 'phpgw_interserv';
var $total = 0;
var $servers = array();
var $serverid = 0;
var $security = '';
var $mode = '';
var $authed = False;
var $urlparts = array(
'xmlrpc' => '/phpgroupware/xmlrpc.php',
'soap' => '/phpgroupware/soap.php'
);
/*
0/none == no access
1/apps == read app data only
99/all == read accounts and other api data
Two servers must have each other setup as 'all' for full coop
*/
var $trust_levels = array(
'none' => 0,
'apps' => 1,
'all' => 99
);
var $trust_relationships = array(
'we request' => 0,
'they request' => 1,
'bi-directional' => 2
);
var $security_types = array(
'standard' => '',
'ssl' => 'ssl'
);
var $server_modes = array(
'XML-RPC' => 'xmlrpc',
'SOAP' => 'soap'
);
function interserver($serverid='')
{
$this->db = $GLOBALS['phpgw']->db;
if($serverid)
{
$this->serverid = intval($serverid);
$this->setup();
}
}
function debug($str,$debug=False)
{
if($debug)
{
$this->_debug($str);
}
}
function _debug($err='')
{
if(!$err)
{
return;
}
echo $err . ' ';
}
function setup()
{
$this->read_repository();
if($this->server['trust_level'])
{
$this->accounts = CreateObject('phpgwapi.accounts');
$this->accounts->server = $this->serverid;
}
$this->security = $this->server->security;
$this->mode = $this->server->mode;
}
/* send command to remote server */
function send($method_name, $args, $url, $debug=True)
{
$cmd = '$return = $this->_send_' . $this->mode . '_' . $this->security . '($method_name, $args, $url, $debug);';
eval($cmd);
if($return)
{
return $return;
}
}
function _split_url($url)
{
preg_match('/^(.*?\/\/.*?)(\/.*)/',$url,$matches);
$hostport = $matches[1];
$uri = $matches[2];
return array($uri,$hostport);
}
function _send_xmlrpc_ssl($method_name, $args, $url, $debug=True)
{
if(!function_exists(curl_init))
{
$this->debug('No curl functions available - use of ssl is invalid',$debug);
return False;
}
/* curl Method borrowed from:
http://sourceforge.net/tracker/index.php?func=detail&aid=427359&group_id=23199&atid=377731
*/
list($uri,$hostport) = $this->_split_url($url);
$this->debug("opening curl to $url", $debug);
if(gettype($args) != 'array')
{
$arr = array(CreateObject('phpgwapi.xmlrpcval',$args,'string'));
}
else
{
while(list($key,$val) = @each($args))
{
$arr[$key] = CreateObject('phpgwapi.xmlrpcval',$val, 'string');
}
}
$f = CreateObject('phpgwapi.xmlrpcmsg',$method_name,$arr);
$content_len = strlen($f->serialize());
$cliversion = $GLOBALS['phpgw_info']['server']['versions']['phpgwapi'];
$http_request = 'POST ' . $uri . ' HTTP/1.0' . "\r\n"
. 'User-Agent: phpGroupware/' . $cliversion . '(PHP) ' . "\r\n"
. 'X-PHPGW-Server: ' . $method_name . ' ' . "\r\n"
. 'Content-Type: text/xml' . "\r\n"
. 'Content-Length: ' . $content_len . "\r\n\r\n"
. $f->serialize();
$this->debug("sending http request:</h3><xmp>\n" . $http_request . "\n</xmp>", $debug);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$hostport);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $http_request);
curl_setopt($ch, CURLOPT_HEADER, 0);
$response_buf = curl_exec($ch);
curl_close($ch);
$this->debug("got response:</h3>.<xmp>\n$response_buf\n</xmp>\n", $debug);
$retval = '';
if (strlen($response_buf))
{
$xml_begin = substr($response_buf, strpos($response_buf, "<?xml"));
if (strlen($xml_begin))
{
$retval = xmlrpc_decode($xml_begin);
}
else
{
$this->debug('Error: no xml start found from'.$hostport.'!');
}
}
else
{
$this->debug('Error: no response from '.$hostport.'!');
}
return $retval;
}
function _send_xmlrpc_($method_name, $args, $url, $debug=True)
{
list($uri,$hostport) = $this->_split_url($url);
if(gettype($args) != 'array')
{
$arr = array(CreateObject('phpgwapi.xmlrpcval',$args,'string'));
}
else
{
while(list($key,$val) = @each($args))
{
$arr[$key] = CreateObject('phpgwapi.xmlrpcval',$val, 'string');
}
}
$f = CreateObject('phpgwapi.xmlrpcmsg', $method, $arr);
//echo "<pre>" . htmlentities($f->serialize()) . "</pre>\n";
$c = CreateObject('phpgwapi.xmlrpc_client',$this->urlparts['xmlrpc'], $uri, 80);
$c->setDebug(0);
$r = $c->send($f);
if (!$r)
{
$this->debug('send failed');
}
$v = $r->value();
if (!$r->faultCode())
{
$this->debug('<hr>I got this value back<br><pre>' . htmlentities($r->serialize()) . '</pre><hr>',$debug);
}
else
{
$this->debug('Fault Code: ' . $r->faultCode() . ' Reason "' . $r->faultString() . '"<br>',$debug);
}
return $v;
}
function _send_soap_ssl($method_name, $args, $url, $debug=True)
{
/* Not working */
return;
preg_match('/^(.*?\/\/.*?)(\/.*)/',$url,$matches);
$hostport = $matches[1];
$uri = $matches[2];
$this->debug("opening curl to $url", $debug);
if(gettype($args) != 'array')
{
$args[] = $args;
}
else
{
while(list($key,$val) = @each($args))
{
$arr[$key] = CreateObject('phpgwapi.xmlrpcval',$val, 'string');
}
}
$f = CreateObject('phpgwapi.xmlrpcmsg',$method_name,array($arr));
$content_len = strlen($f->serialize());
$cliversion = $GLOBALS['phpgw_info']['server']['versions']['phpgwapi'];
$http_request = 'POST ' . $uri . ' HTTP/1.0' . "\r\n"
. 'User-Agent: phpGroupware/' . $cliversion . '(PHP) ' . "\r\n"
. 'X-PHPGW-Server: ' . $method_name . ' ' . "\r\n"
. 'Content-Type: text/xml' . "\r\n"
. 'Content-Length: ' . $content_len . "\r\n" . "\r\n"
. $f->serialize();
$this->debug("sending http request:</h3><xmp>\n" . $http_request . "\n</xmp>", $debug);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,$hostport);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $http_request);
curl_setopt($ch, CURLOPT_HEADER, 0);
$response_buf = curl_exec($ch);
curl_close($ch);
$this->debug("got response:</h3>.<xmp>\n$response_buf\n</xmp>\n", $debug);
$retval = '';
if (strlen($response_buf))
{
$xml_begin = substr($response_buf, strpos($response_buf, "<?xml"));
if (strlen($xml_begin))
{
$retval = xmlrpc_decode($xml_begin);
}
else
{
$this->debug('Error: no xml start found from'.$hostport.'!');
}
}
else
{
$this->debug('Error: no response from '.$hostport.'!');
}
return $retval;
}
function _send_soap_($method_name, $args, $url, $debug=True)
{
/* Not working */
return;
while(list($key,$val) = @each($args))
{
$arr[$key] = CreateObject('phpgwapi.soapval',$val, 'string');
}
$soap_message = CreateObject('phpgwapi.soapmsg',
$method,
$method_params[$method],
$server['methodNamespace']
);
/* print_r($soap_message);exit; */
$soap = CreateObject('phpgwapi.soap_client',$server['endpoint']);
/* print_r($soap);exit; */
if($return = $soap->send($soap_message,$server['soapaction']))
{
return $return;
}
}
/* Following are for server list management and query */
function read_repository($serverid='')
{
$sql = "SELECT * FROM $this->table WHERE server_id=" . intval($serverid);
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
$this->server['server_name'] = $this->db->f('server_name');
$this->server['server_url'] = $this->db->f('server_url');
$this->server['server_mode'] = $this->db->f('server_mode');
$this->server['server_security'] = $this->db->f('server_security');
$this->server['trust_level'] = $this->db->f('trust_level');
$this->server['trust_rel'] = $this->db->f('trust_rel');
$this->server['username'] = $this->db->f('username');
$this->server['password'] = $this->db->f('password');
$this->server['admin_name'] = $this->db->f('admin_name');
$this->server['admin_email'] = $this->db->f('admin_email');
}
return $this->server;
}
function save_repository($serverid='')
{
if(!$serverid)
{
$serverid = $this->serverid;
}
if($serverid && gettype($this->server) == 'array')
{
$sql = "UPDATE $this->table SET "
. "server_name='" . $this->server['server_name'] . "',"
. "server_url='" . $this->server['server_url'] . "',"
. "server_mode='" . $this->server['server_mode'] . "',"
. "server_security='" . $this->server['server_security'] . "',"
. "trust_level=" . intval($this->server['trust_level']) . ","
. "trust_rel=" . intval($this->server['trust_rel']) . ","
. "username='" . $this->server['username'] . "',"
. "password='" . $this->server['password'] . "',"
. "admin_name='" . $this->server['admin_name'] . "',"
. "admin_email='" . $this->server['admin_email'] . "' "
. "WHERE server_id=" . intval($serverid);
$this->db->query($sql,__LINE__,__FILE__);
return True;
}
return False;
}
function create($server_info='')
{
if(gettype($server_info) != 'array')
{
return False;
}
$sql = "INSERT INTO $this->table (server_name,server_url,server_mode,server_security,"
. "trust_level,trust_rel,username,password,admin_name,admin_email) "
. "VALUES('" . $server_info['server_name'] . "','" . $server_info['server_url'] . "','"
. $server_info['server_mode'] . "','" . $server_info['server_security'] . "',"
. intval($server_info['trust_level']) . "," . intval($server_info['trust_rel']) . ",'"
. $server_info['username'] . "','" . $server_info['password'] . "','"
. $server_info['admin_name'] . "','" . $server_info['admin_email'] . "')";
$this->db->query($sql,__LINE__,__FILE__);
$sql = "SELECT server_id FROM $this->table WHERE server_name='" . $server_info['server_name'] . "'";
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
$server_info['server_id'] = $this->db->f(0);
$this->serverid = $server_info['server_id'];
$this->server = $server_info;
return $this->serverid;
}
return False;
}
function delete($serverid='')
{
if(!$serverid)
{
$serverid = $this->serverid;
}
if($serverid)
{
$sql = "DELETE FROM $this->table WHERE server_id=$serverid";
$this->db->query($sql,__LINE__,__FILE__);
return True;
}
return False;
}
function get_list($start='',$sort='',$order='',$query='',$offset='')
{
$sql = "SELECT * FROM $this->table";
$this->db->query($sql,__LINE__,__FILE__);
while ($this->db->next_record())
{
$this->servers[$this->db->f('server_name')]['server_id'] = $this->db->f('server_id');
$this->servers[$this->db->f('server_name')]['server_name'] = $this->db->f('server_name');
$this->servers[$this->db->f('server_name')]['server_url'] = $this->db->f('server_url');
$this->servers[$this->db->f('server_name')]['server_mode'] = $this->db->f('server_mode');
$this->servers[$this->db->f('server_name')]['server_security'] = $this->db->f('server_security');
$this->servers[$this->db->f('server_name')]['trust_level'] = $this->db->f('trust_level');
$this->servers[$this->db->f('server_name')]['trust_rel'] = $this->db->f('trust_rel');
$this->servers[$this->db->f('server_name')]['admin_name'] = $this->db->f('admin_name');
$this->servers[$this->db->f('server_name')]['admin_email'] = $this->db->f('admin_email');
}
$this->total = $this->db->num_rows();
return $this->servers;
}
function formatted_list($server_id=0,$java=False)
{
if ($java)
{
$jselect = ' onChange="this.form.submit();"';
}
$select = "\n" .'<select name="server_id"' . $jselect . ">\n";
$select .= '<option value="0"';
if(!$server_id)
{
$select .= ' selected';
}
$select .= '>' . lang('Local') . '</option>'."\n";
while (list($key,$val) = each($this->get_list()))
{
$foundservers = True;
$select .= '<option value="' . $val['server_id'] . '"';
if ($val['server_id'] == $server_id)
{
$select .= ' selected';
}
$select .= '>' . $val['server_name'] . '</option>'."\n";
}
$select .= '</select>'."\n";
$select .= '<noscript><input type="submit" name="server_id_select" value="' . lang('Select') . '"></noscript>' . "\n";
if(!$foundservers)
{
$select = '';
}
return $select;
}
function name2id($server_name='')
{
if(!$server_name)
{
$server_name = $this->server['server_name'];
}
if($server_name)
{
$sql = "SELECT server_id FROM $this->table WHERE server_name='$server_name'";
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
$serverid = $this->db->f(0);
return $serverid;
}
}
return False;
}
function id2name($serverid='')
{
if(!$serverid)
{
$serverid = $this->serverid;
}
if($serverid)
{
$sql = "SELECT server_name FROM $this->table WHERE serverid=$serverid";
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
$server_name = $this->db->f(0);
return $server_name;
}
}
return False;
}
function exists($serverdata='')
{
if(!$serverdata)
{
return False;
}
if(gettype($serverdata) == 'integer')
{
$serverid = $serverdata;
settype($server_name,'string');
$server_name = $this->id2name($serverid);
}
else
{
$server_name = $serverdata;
}
$sql = "SELECT server_id FROM $this->table WHERE server_name='$server_name'";
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
return True;
}
return False;
}
function auth($serverdata='')
{
if(!$serverdata || gettype($serverdata) != 'array')
{
return False;
}
$server_name = $serverdata['server_name'];
$username = $serverdata['username'];
$password = $serverdata['password'];
$sql = "SELECT server_id,trust_rel FROM $this->table WHERE server_name='$server_name'";
$this->db->query($sql,__LINE__,__FILE__);
if($this->db->next_record())
{
if ($username == $GLOBALS['phpgw_info']['server']['site_username'] &&
$password == $GLOBALS['phpgw_info']['server']['site_password'] &&
$this->db->f('trust_rel') >= 1)
{
$this->authed = True;
$sessionid = $GLOBALS['phpgw']->session->create('anonymous','anonymous1');
return $sessionid;
}
}
return False;
}
}
?>