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<?php
/*
Copyright (c) 2001 - 2006 Ampache.org
All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* XML-RPC Library
* If you want an honest answer NFC. Copy and paste baby!
* @package XMLRPC
* @catagory Server
* @author Karl Vollmer
* @copyright Ampache.org 2001 - 2006
*/
/**
* remote_catalog_query
* this is the initial contact and response to a xmlrpc request from another ampache server
* this returns a list of catalog names
* @package XMLRPC
* @catagory Server
*/
function remote_catalog_query($m) {
$var = $m->getParam(0);
$key = $var->scalarval();
/* Verify the KEY */
if (!remote_key_verify($key,$_SERVER['REMOTE_ADDR'],'5')) {
return new xmlrpcresp(0,'503','Key/IP Mis-match Access Denied');
}
$result = array();
// we only want to send the local entries
$sql = "SELECT name,COUNT(song.id) FROM catalog " .
"LEFT JOIN song ON catalog.id = song.catalog " .
"WHERE catalog_type='local' GROUP BY catalog.id";
$db_result = mysql_query($sql, dbh());
while ( $i = mysql_fetch_row($db_result) ) {
$result[] = $i;
}
set_time_limit(0);
$encoded_array = php_xmlrpc_encode($result);
debug_event('xmlrpc-server',"Encoded Catalogs: " . count($result),'3');
return new xmlrpcresp($encoded_array);
} // remote_server_query
/**
* remote_song_query
* return all local songs and their information it pulls all local catalogs, then all enabled songs
* then it strings togeather their information sepearted by :: and then base64 encodes it before sending it along
* @package XMLRPC
* @catagory Server
* @todo Add catalog level access control
* @todo fix for the smallint(1) change of song.status
* @todo serialize the information rather than cheat with the ::
*/
function remote_song_query($params) {
$var = $params->getParam(0);
$key = $var->scalarval();
/* Verify the KEY */
if (!remote_key_verify($key,$_SERVER['REMOTE_ADDR'],'5')) {
return new xmlrpcresp(0,'503','Key/IP Mis-match Access Denied');
}
$start = $params->params['1']->me['int'];
$step = $params->params['2']->me['int'];
// Get me a list of all local catalogs
$sql = "SELECT catalog.id FROM catalog WHERE catalog_type='local'";
$db_results = mysql_query($sql, dbh());
$results = array();
$sql = "SELECT song.id FROM song WHERE song.enabled='1' AND (";
// Get the catalogs and build the query!
while ($r = mysql_fetch_object($db_results)) {
$sql .= " song.catalog='$r->id' OR";
} // build query
$sql = rtrim($sql,"OR");
$sql .= ") LIMIT $start,$step";
$db_results = mysql_query($sql, dbh());
// Recurse through the songs and build a results
// array that is base64_encoded
while ($r = mysql_fetch_object($db_results)) {
$song = new Song($r->id);
$song->album = $song->get_album_name();
$song->artist = $song->get_artist_name();
$song->genre = $song->get_genre_name();
// Format the output
$output = '';
$output = $song->artist . "::" . $song->album . "::" . $song->title . "::" . $song->comment .
"::" . $song->year . "::" . $song->bitrate . "::" . $song->rate . "::" . $song->mode .
"::" . $song->size . "::" . $song->time . "::" . $song->track . "::" . $song->genre . "::" . $r->id;
$output = base64_encode($output);
$results[] = $output;
// Prevent Timeout
set_time_limit(0);
} // while songs
set_time_limit(0);
$encoded_array = php_xmlrpc_encode($results);
debug_event('xmlrpc-server',"Encoded Song Query Results ($start,$step):" . count($results),'3');
return new xmlrpcresp($encoded_array);
} // remote_song_query
/**
* remote_session_verify
* This checks the session on THIS server and returns a true false
* The problem with this funcion is that we don't have the key from
* the other server... this needs to be fixed potential security flaw
* Other server still needs read xml-rpc permissions, but no key
* @package XMLRPC
* @catagory Server
*/
function remote_session_verify($params) {
/* We may need to do this correctly.. :S */
$var = $params->getParam(0);
$sid = $var->scalarval();
if (session_exists($sid)) {
$data = true;
}
else {
$data = false;
}
$encoded_data = php_xmlrpc_encode($data);
if (conf('debug')) { log_event($_SESSION['userdata']['username'],' xmlrpc-server ',"Encoded Session Verify: $data Recieved: $sid"); }
return new xmlrpcresp($encoded_data);
} // remote_session_verify
/**
* remote_server_denied
* Access Denied Sucka!
* @package XMLRPC
* @catagory Server
*/
function remote_server_denied() {
$result = array();
$result['access_denied'] = "Access Denied: Sorry, but " . $_SERVER['REMOTE_ADDR'] . " does not have access to " .
"this server's catalog. Please make sure that you have been added to this server's access list.\n";
$encoded_array = php_xmlrpc_encode($result);
if (conf('debug')) { log_event($_SESSION['userdata']['username'], 'xmlrpc-server',"Access Denied: " . $_SERVER['REMOTE_ADDR']); }
return new xmlrpcresp($encoded_array);
} // remote_server_denied
/**
* remote_key_verify
* This does a ACCESS control check against
* the incomming xml-rpc request. it takes the
* passed key and makes sure the IP+KEY+LEVEL
* matches in the local ACL
*/
function remote_key_verify($key,$ip,$level) {
$access = new Access();
if ($access->check('xml-rpc',$ip,'',$level,$key)) {
return true;
}
return false;
} // remote_key_verify
?>
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