394 lines
14 KiB
PHP
394 lines
14 KiB
PHP
<?php
|
|
//
|
|
// +----------------------------------------------------------------------+
|
|
// | PHP Version 5 |
|
|
// +----------------------------------------------------------------------+
|
|
// | Copyright (c) 1997-2004 The PHP Group |
|
|
// +----------------------------------------------------------------------+
|
|
// | This source file is subject to version 3.0 of the PHP license, |
|
|
// | that is bundled with this package in the file LICENSE, and is |
|
|
// | available through the world-wide-web at the following url: |
|
|
// | http://www.php.net/license/3_0.txt. |
|
|
// | If you did not receive a copy of the PHP license and are unable to |
|
|
// | obtain it through the world-wide-web, please send a note to |
|
|
// | license@php.net so we can mail you a copy immediately. |
|
|
// +----------------------------------------------------------------------+
|
|
// | Author: Stig Bakken <ssb@php.net> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id: Remote.php,v 1.50 2004/06/08 18:03:46 cellog Exp $
|
|
|
|
require_once 'PEAR.php';
|
|
require_once 'PEAR/Config.php';
|
|
|
|
/**
|
|
* This is a class for doing remote operations against the central
|
|
* PEAR database.
|
|
*
|
|
* @nodep XML_RPC_Value
|
|
* @nodep XML_RPC_Message
|
|
* @nodep XML_RPC_Client
|
|
*/
|
|
class PEAR_Remote extends PEAR
|
|
{
|
|
// {{{ properties
|
|
|
|
var $config = null;
|
|
var $cache = null;
|
|
|
|
// }}}
|
|
|
|
// {{{ PEAR_Remote(config_object)
|
|
|
|
function PEAR_Remote(&$config)
|
|
{
|
|
$this->PEAR();
|
|
$this->config = &$config;
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ getCache()
|
|
|
|
|
|
function getCache($args)
|
|
{
|
|
$id = md5(serialize($args));
|
|
$cachedir = $this->config->get('cache_dir');
|
|
$filename = $cachedir . DIRECTORY_SEPARATOR . 'xmlrpc_cache_' . $id;
|
|
if (!file_exists($filename)) {
|
|
return null;
|
|
};
|
|
|
|
$fp = fopen($filename, 'rb');
|
|
if (!$fp) {
|
|
return null;
|
|
}
|
|
$content = fread($fp, filesize($filename));
|
|
fclose($fp);
|
|
$result = array(
|
|
'age' => time() - filemtime($filename),
|
|
'lastChange' => filemtime($filename),
|
|
'content' => unserialize($content),
|
|
);
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ saveCache()
|
|
|
|
function saveCache($args, $data)
|
|
{
|
|
$id = md5(serialize($args));
|
|
$cachedir = $this->config->get('cache_dir');
|
|
if (!file_exists($cachedir)) {
|
|
System::mkdir(array('-p', $cachedir));
|
|
}
|
|
$filename = $cachedir.'/xmlrpc_cache_'.$id;
|
|
|
|
$fp = @fopen($filename, "wb");
|
|
if ($fp) {
|
|
fwrite($fp, serialize($data));
|
|
fclose($fp);
|
|
};
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ call(method, [args...])
|
|
|
|
function call($method)
|
|
{
|
|
$_args = $args = func_get_args();
|
|
|
|
$this->cache = $this->getCache($args);
|
|
$cachettl = $this->config->get('cache_ttl');
|
|
// If cache is newer than $cachettl seconds, we use the cache!
|
|
if ($this->cache !== null && $this->cache['age'] < $cachettl) {
|
|
return $this->cache['content'];
|
|
};
|
|
|
|
if (extension_loaded("xmlrpc")) {
|
|
$result = call_user_func_array(array(&$this, 'call_epi'), $args);
|
|
if (!PEAR::isError($result)) {
|
|
$this->saveCache($_args, $result);
|
|
};
|
|
return $result;
|
|
}
|
|
if (!@include_once("XML/RPC.php")) {
|
|
return $this->raiseError("For this remote PEAR operation you need to install the XML_RPC package");
|
|
}
|
|
array_shift($args);
|
|
$server_host = $this->config->get('master_server');
|
|
$username = $this->config->get('username');
|
|
$password = $this->config->get('password');
|
|
$eargs = array();
|
|
foreach($args as $arg) $eargs[] = $this->_encode($arg);
|
|
$f = new XML_RPC_Message($method, $eargs);
|
|
if ($this->cache !== null) {
|
|
$maxAge = '?maxAge='.$this->cache['lastChange'];
|
|
} else {
|
|
$maxAge = '';
|
|
};
|
|
$proxy_host = $proxy_port = $proxy_user = $proxy_pass = '';
|
|
if ($proxy = parse_url($this->config->get('http_proxy'))) {
|
|
$proxy_host = @$proxy['host'];
|
|
$proxy_port = @$proxy['port'];
|
|
$proxy_user = @urldecode(@$proxy['user']);
|
|
$proxy_pass = @urldecode(@$proxy['pass']);
|
|
}
|
|
$c = new XML_RPC_Client('/xmlrpc.php'.$maxAge, $server_host, 80, $proxy_host, $proxy_port, $proxy_user, $proxy_pass);
|
|
if ($username && $password) {
|
|
$c->setCredentials($username, $password);
|
|
}
|
|
if ($this->config->get('verbose') >= 3) {
|
|
$c->setDebug(1);
|
|
}
|
|
$r = $c->send($f);
|
|
if (!$r) {
|
|
return $this->raiseError("XML_RPC send failed");
|
|
}
|
|
$v = $r->value();
|
|
if ($e = $r->faultCode()) {
|
|
if ($e == $GLOBALS['XML_RPC_err']['http_error'] && strstr($r->faultString(), '304 Not Modified') !== false) {
|
|
return $this->cache['content'];
|
|
}
|
|
return $this->raiseError($r->faultString(), $e);
|
|
}
|
|
|
|
$result = XML_RPC_decode($v);
|
|
$this->saveCache($_args, $result);
|
|
return $result;
|
|
}
|
|
|
|
// }}}
|
|
|
|
// {{{ call_epi(method, [args...])
|
|
|
|
function call_epi($method)
|
|
{
|
|
do {
|
|
if (extension_loaded("xmlrpc")) {
|
|
break;
|
|
}
|
|
if (OS_WINDOWS) {
|
|
$ext = 'dll';
|
|
} elseif (PHP_OS == 'HP-UX') {
|
|
$ext = 'sl';
|
|
} elseif (PHP_OS == 'AIX') {
|
|
$ext = 'a';
|
|
} else {
|
|
$ext = 'so';
|
|
}
|
|
$ext = OS_WINDOWS ? 'dll' : 'so';
|
|
@dl("xmlrpc-epi.$ext");
|
|
if (extension_loaded("xmlrpc")) {
|
|
break;
|
|
}
|
|
@dl("xmlrpc.$ext");
|
|
if (extension_loaded("xmlrpc")) {
|
|
break;
|
|
}
|
|
return $this->raiseError("unable to load xmlrpc extension");
|
|
} while (false);
|
|
$params = func_get_args();
|
|
array_shift($params);
|
|
$method = str_replace("_", ".", $method);
|
|
$request = xmlrpc_encode_request($method, $params);
|
|
$server_host = $this->config->get("master_server");
|
|
if (empty($server_host)) {
|
|
return $this->raiseError("PEAR_Remote::call: no master_server configured");
|
|
}
|
|
$server_port = 80;
|
|
if ($http_proxy = $this->config->get('http_proxy')) {
|
|
$proxy = parse_url($http_proxy);
|
|
$proxy_host = $proxy_port = $proxy_user = $proxy_pass = '';
|
|
$proxy_host = @$proxy['host'];
|
|
$proxy_port = @$proxy['port'];
|
|
$proxy_user = @urldecode(@$proxy['user']);
|
|
$proxy_pass = @urldecode(@$proxy['pass']);
|
|
$fp = @fsockopen($proxy_host, $proxy_port);
|
|
$use_proxy = true;
|
|
} else {
|
|
$use_proxy = false;
|
|
$fp = @fsockopen($server_host, $server_port);
|
|
}
|
|
if (!$fp && $http_proxy) {
|
|
return $this->raiseError("PEAR_Remote::call: fsockopen(`$proxy_host', $proxy_port) failed");
|
|
} elseif (!$fp) {
|
|
return $this->raiseError("PEAR_Remote::call: fsockopen(`$server_host', $server_port) failed");
|
|
}
|
|
$len = strlen($request);
|
|
$req_headers = "Host: $server_host:$server_port\r\n" .
|
|
"Content-type: text/xml\r\n" .
|
|
"Content-length: $len\r\n";
|
|
$username = $this->config->get('username');
|
|
$password = $this->config->get('password');
|
|
if ($username && $password) {
|
|
$req_headers .= "Cookie: PEAR_USER=$username; PEAR_PW=$password\r\n";
|
|
$tmp = base64_encode("$username:$password");
|
|
$req_headers .= "Authorization: Basic $tmp\r\n";
|
|
}
|
|
if ($this->cache !== null) {
|
|
$maxAge = '?maxAge='.$this->cache['lastChange'];
|
|
} else {
|
|
$maxAge = '';
|
|
};
|
|
|
|
if ($use_proxy && $proxy_host != '' && $proxy_user != '') {
|
|
$req_headers .= 'Proxy-Authorization: Basic '
|
|
.base64_encode($proxy_user.':'.$proxy_pass)
|
|
."\r\n";
|
|
}
|
|
|
|
if ($this->config->get('verbose') > 3) {
|
|
print "XMLRPC REQUEST HEADERS:\n";
|
|
var_dump($req_headers);
|
|
print "XMLRPC REQUEST BODY:\n";
|
|
var_dump($request);
|
|
}
|
|
|
|
if ($use_proxy && $proxy_host != '') {
|
|
$post_string = "POST http://".$server_host;
|
|
if ($proxy_port > '') {
|
|
$post_string .= ':'.$server_port;
|
|
}
|
|
} else {
|
|
$post_string = "POST ";
|
|
}
|
|
|
|
fwrite($fp, ($post_string."/xmlrpc.php$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: authorization failed", 401);
|
|
} else {
|
|
return $this->raiseError("PEAR_Remote: authorization required, please log in first", 401);
|
|
}
|
|
default:
|
|
return $this->raiseError("PEAR_Remote: unexpected HTTP response", (int)$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);
|
|
}
|
|
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);
|
|
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;
|
|
}
|
|
|
|
// }}}
|
|
|
|
}
|
|
|
|
?>
|