api.php

<?php
	define('JZ_SECURE_ACCESS','true');
	/**
	* - JINZORA | Web-based Media Streamer -  
	* 
	* Jinzora is a Web-based media streamer, primarily desgined to stream MP3s 
	* (but can be used for any media file that can stream from HTTP). 
	* Jinzora can be integrated into a CMS site, run as a standalone application, 
	* or integrated into any PHP website.  It is released under the GNU GPL.
	* 
	* - Resources -
	* - Jinzora Author: Ross Carlson <ross@jasbone.com>
	* - Web: http://www.jinzora.org
	* - Documentation: http://www.jinzora.org/docs	
	* - Support: http://www.jinzora.org/forum
	* - Downloads: http://www.jinzora.org/downloads
	* - License: GNU GPL <http://www.gnu.org/copyleft/gpl.html>
	* 
	* - Contributors -
	* Please see http://www.jinzora.org/team.html
	* 
	* - Code Purpose -
	* - This page handles all API requests for add-on services
	*
	* @since 04.14.05
	* @author Ross Carlson <ross@jinzora.org>
	* @author Ben Dodson <ben@jinzora.org>
	*/
	// Let's set the error reporting level
	//@error_reporting(E_ERROR);
	
	// Let's include ALL the functions we'll need
	// Now we'll need to figure out the path stuff for our includes
	// This is critical for CMS modes
	$include_path = ""; $link_root = ""; $cms_type = ""; $cms_mode = "false";
    $backend = ""; $jz_lang_file = ""; $skin = ""; $my_frontend = "";
	
	define('NO_AJAX_LINKS','true');
	
	include_once('system.php');		
	include_once('settings.php');	
	include_once('backend/backend.php');	
	include_once('playlists/playlists.php');
	include_once('lib/general.lib.php');
	include_once('lib/jzcomp.lib.php');
	include_once('services/class.php');
	
	$skin = "slick";
	$image_dir = $root_dir. "/style/$skin/";
	include_once('frontend/display.php');
	include_once('frontend/blocks.php');
	include_once('frontend/icons.lib.php');
	include_once('frontend/frontends/slick/blocks.php');
	include_once('frontend/frontends/slick/settings.php');
	
	
	$this_page = setThisPage();
        $enable_page_caching = "false";

	url_alias();
	// see this method for persistent vars
	$api_page = get_base_url();
	
	// Clean up input variables
	$_REQUEST = unurlize($_REQUEST);

	// Let's create our user object for later
	$jzUSER = new jzUser();
	
	// Let's create our services object
	// This object lets us do things like get metadata, resize images, get lyrics, etc
	$jzSERVICES = new jzServices();
	$jzSERVICES->loadStandardServices();
	$blocks = new jzBlocks();
	$display = new jzDisplay();
	$jz_path = $_REQUEST['jz_path'];
	$limit = isset($_REQUEST['limit']) ? $_REQUEST['limit'] : 0;
	
	$params = array();
	$params['limit'] = $limit;
	
        if (empty($_REQUEST['request']) && (isset($_REQUEST['query']) || isset($_REQUEST['search'])))  {
	  $_REQUEST['request'] = 'search';
	}
	
	// Non authenticated API requests.
	switch($_REQUEST['request']){
		case "trackinfo":
		return trackInfo();
		break;
		case "gettrackart":
		 return getTrackArt();
		 break;
	}
	
	// Let's make sure this user has the right permissions
	if ($jzUSER->getSetting("view") === false || isset($_REQUEST['user'])) {
		if (isset($_REQUEST['user'])) {
			$store_cookie = true;
			// Are they ok?
			$prehashed  = (isset($_REQUEST['pw_hashed']) && $_REQUEST['pw_hashed']=='true');
			if ($jzUSER->login($_REQUEST['user'],$_REQUEST['pass'],$store_cookie, $prehashed) === false) {
				echoXMLHeader();
				echo "<login>false</login>";
				echoXMLFooter();
				exit();
			}
		} else {
			// Nope, error...
			echoXMLHeader();
			echo "<login>false</login>";
			echoXMLFooter();
			exit();
		}
	}

	// Now let's see what they want
	switch($_REQUEST['request']){
		case "genres":
			//return listAllGenres($limit); // why??? :(
			return listAllSubNode("genre",$params);
		break;
		case "artists":
			return listAllSubNode("artist",$params);
		break;
		case "albums":
			return listAllSubNode("album",$params);
		break;
		case "playlists":
			return playlists();
		break;
		case "playlist":
			return playlist();
		break;
		case "saveplaylist":
			return savePlaylist();
			break;
		case "deleteplaylist":
			return deletePlaylist();
			break;
		case "curtrack":
			return getCurrentTrack();
		break;
		case "search":
			return search();
	        case "browse":
	                return browse();
		break;
	        case "home":
		  return home();
		break;
	        case "chart":
		  return chart();
		break;
    	        case "userhistories":
	          return userHistories();
	          break;
	        case "jukebox":
  	          return jukebox();
		  break;
	        case "adduser":
		  return adduser();
		  break;
	        case "removeuser":
		  return removeuser();
		  break;
	        case "listusers":
		  return listusers();
		  break;
	        case "setpassword":
		  return setpassword();
		  break;
		case "stylesheet":
			echo '<link rel="stylesheet" title="slick" type="text/css" media="screen" href="'. $root_dir. '/style/'. $skin. '/default.php">';
		break;
		case "javascript":
			$display->handleAJAX();
		break;
		
		case "artistAlbumsBlock":
		case "artistProfileBlock":
		case "displaySlickSampler":
		case "displaySlickAllTracks":
		case "artistAlbumArtBlock":
		case "albumAlbumBlock":
		case "albumTracksBlock":
		case "albumOtherAlbumBlock":
		case "blockUser":
		case "blockNowStreaming":
		case "blockWhoIsWhere":
		case "blockSearch":
		case "blockPlaylists":
		case "blockBrowsing":
		case "blockOptions":
		case "slickHeaderBlock":
		case "blockLogo":
			$node = new jzMediaNode($_REQUEST['jz_path']);
			$blocks->$_REQUEST['request']($node);
		break;


		default:
			echoXMLHeader();
			echo "<login>true</login>";
			echoXMLFooter();
			exit();
		break;
	}
	
	
/**
 * Gets the output format requested
 *
 * @author Ben Dodson
 * @since 6/21/08
 */
function getFormatFromRequest() {
  if (isset($_REQUEST['type'])){
    $type = $_REQUEST['type'];
  } else if (isset($_REQUEST['output'])) {
    $type = $_REQUEST['output'];
  } else {
    $type = "xml";
  }
  return $type;
}
	
	
	// These are the functions for the API
	

/**
 * User management API
 */
function adduser() {
  global $jzUSER;

  if ($jzUSER->getSetting('admin') === false){
    echoXMLHeader();
    echo "  <error>Insufficient permissions.</error>\n";
    echoXMLFooter();
    return;
  }

  if (!isset($_REQUEST['add_user']) || !isset($_REQUEST['add_password'])) {
    echoXMLHeader();
    echo "  <error>Please specify a username/password (add_user/add_password).</error>\n";
    echoXMLFooter();
    return;
  }

  $user = $_REQUEST['add_user'];
  $password = $_REQUEST['add_password'];
  
  $uid = $jzUSER->addUser($user,$password);

  if ($uid === false) {
    echoXMLHeader();
    echo "  <error>Failed to add username/password.</error>\n";
    echoXMLFooter();
    return;
  }

  // todo: probably read settings from a template.
  
  echoXMLHeader();
  echo "  <userid>${uid}</userid>\n";
  echoXMLFooter();
}

function listusers() {
  global $jzUSER;

  if ($jzUSER->getSetting('admin') === false){
    echoXMLHeader();
    echo "  <error>Insufficient permissions.</error>\n";
    echoXMLFooter();
    return;
  }

  $list = $jzUSER->listUsers();
  
  echoXMLHeader();
  echo '<users>';
  foreach ($list as $id=>$user) {
    echo "  <user>\n";
    echo '    <id>'.$id."</id>\n";
    echo '    <username>'.$user."</username>\n";
    echo "  </user>\n";
    
  }
  echo "</users>\n";
  echoXMLFooter();
}

function removeuser() {
  global $jzUSER;

  if ($jzUSER->getSetting('admin') === false){
    echoXMLHeader();
    echo "  <error>Insufficient permissions.</error>\n";
    echoXMLFooter();
    return;
  }

  if (!isset($_REQUEST['remove_id']) && !isset($_REQUEST['remove_user'])) {
    echoXMLHeader();
    echo "  <error>Must specify a userto remove (remove_id or remove_user).</error>\n";
    echoXMLFooter();
    return;
  }

  if (isset($_REQUEST['remove_user'])) {
    $id = $jzUSER->lookupUID($_REQUEST['remove_user']);
  } else {
    $id=$_REQUEST['remove_id'];
  }

  if ($id === false) {
    echoXMLHeader();
    echo "  <error>Bad user specified.</error>\n";
    echoXMLFooter();
    return;
  }

  $jzUSER->removeUser($id);

  echoXMLHeader();
  echo "  <status>User removed.</status>";
  echoXMLFooter();
}

function setpassword() {
  global $jzUSER;

  if (!isset($_REQUEST['set_password'])) {
    echoXMLHeader();
    echo "  <error>Must specify a password to set.</error>\n";
    echoXMLFooter();
    return;
  }

  $pw = $_REQUEST['set_password'];

  if (isset($_REQUEST['modify_user'])) {
    if ($jzUSER->getSetting('admin') === false){
      echoXMLHeader();
      echo "  <error>Insufficient permissions.</error>\n";
      echoXMLFooter();
      return;
    }

    $user = $_REQUEST['modify_user'];

  } else {
    $user = false;
  }

  if (!$jzUSER->changePassword($pw,$user)) {
    echoXMLHeader();
    echo "  <error>Failed to set password.</error>\n";
    echoXMLFooter();
  } else {
    echoXMLHeader();
    echo "  <status>Changed password.</status>";
    echoXMLFooter();
  }
}


	/**
	* 
	* Searches the API and returns the results
	*
	* @author Ross Carlson
	* @since 4/21/05
	* 
	**/
	function search(){
		global $jzUSER, $this_site, $root_dir;
		
		// What kind of output?
		$type = getFormatFromRequest();
		
		// Let's setup our objects
		// The display object is just a set of functions related to display
		// Like returning images and links
		$display = new jzDisplay();
		
		// Let's search
		// This will search the API and return an array of objects
		$st = isset($_REQUEST['search_type']) ? $_REQUEST['search_type'] : 'best';
		$query = '';
		if (!empty($_REQUEST['search'])) {
		  $query = $_REQUEST['search'];
		}
		
		$results = handleSearch($query, $st);
		/*
		// Now let's make sure we had results
		if (count($results) == 0){
			// Now let's output
			switch ($type){
				case "xml":
					echoXMLHeader();
					echo "  <search>false</search>\n";
					echoXMLFooter();
					return;
				break;
			}
		}
		*/
		print_results($results,$type);
	}

	/**
	* 
	* Browses Jinzora given the path to a node.
	*
	* @author Ben Dodson
	* @since 4/21/05
	* @version 6/21/08
	* 
	**/
	function browse(){
		global $jzUSER, $this_site, $root_dir;
		
		$ntype = 'both';
		if (!isset($_REQUEST['jz_path'])) {
		  return home(); // or browse root?
		}

		$type = getFormatFromRequest();	
		$root = new JzMediaNode($_REQUEST['jz_path']);
		$trackfields = (isset($_REQUEST['track_fields'])) ? explode(',', $_REQUEST['track_fields']) : false;
		$nodefields = (isset($_REQUEST['node_fields'])) ? explode(',', $_REQUEST['node_fields']) : false;

		$distance = false;
		if (isset($_REQUEST['resulttype'])) {
		  $rt = $_REQUEST['resulttype'];

		  if ($rt == 'artist') {
		    $distance = distanceTo('artist',$root);
		  }
		  
		  if ($rt == 'album') {
		    $distance = distanceTo('album',$root);
		  }

		  if ($rt == 'track' || $rt == 'tracks') {
		    $distance = -1;
		    $ntype = 'tracks';
		  }
		}

		if (isset($_REQUEST['offset']) || isset($_REQUEST['limit'])){
			//$results = array_slice($results,$_REQUEST['offset'],$_REQUEST['limit']);
		}

		$lim = isset($_REQUEST['limit']) ? $_REQUEST['limit'] : 0;
		$off = isset($_REQUEST['offset']) ? $_REQUEST['offset'] : false;
		$results = $root->getSubNodes($ntype,$distance,false,$lim,false,$off);

		$total = $root->getSubNodeCount($ntype,$distance);
		$meta = array('totalMatches' => $total);
		print_results($results, $type, $trackfields, $nodefields, $meta);
	}

	function getTrackArt(){
		$display = new jzDisplay();
		$track = &new jzMediaTrack($_GET['jz_path'],"id");
		$album = $track->getAncestor("album");
		$art = $album->getMainArt(false, true, "audio", true);
		
		if($_GET['type'] == 'xml'){
			echoXMLHeader();
			echo "      <track>\n";
			echo "        <name>". xmlentities($track->getName()). "</name>\n";
			echo "        <image>";
			if ($art){
				echo xmlentities($display->returnImage($art,false,false, false, "limit", false, false, false, false, false, "0", false, true, true));
			}
			echo "        </image>\n"; 
			echo "        <thumbnail>";
			$art = $album->getMainArt('75x75', true, "audio", true);
			if ($art){
				echo xmlentities($display->returnImage($art,false,75,75, "limit", false, false, false, false, false, "0", false, true, true));
			}
			echo "        </thumbnail>\n";
			echo "      </track>\n";
			echoXMLFooter();
		} else {
			showImage($art);	
		}
		
	}
	
	function trackInfo(){
		global $this_site;
		$display = new jzDisplay();
		$track = &new jzMediaTrack($_GET['jz_path'],"id");
					
		$meta = $track->getMeta();

		$album = $track->getAncestor("album");
		$art = $album->getMainArt(false, true, "audio", true);
		$artist = $album->getAncestor("artist");
		$genre = $artist->getParent();
		$results = array();
		$results[] = $track;
		$trackfields = (isset($_REQUEST['track_fields'])) ? explode(',', $_REQUEST['track_fields']) : false;
		$nodefields = (isset($_REQUEST['node_fields'])) ? explode(',', $_REQUEST['node']) : false;
		$type = getFormatFromRequest();	
		print_results($results,$type, $trackfields, $nodefields);
	}
	
	function playlists() {
		global $api_page, $this_site, $jzUSER;
		$lists = $jzUSER->listPlaylists('all');
		$type = getFormatFromRequest();	
		switch ($type){
			case "xml":
				echoXMLHeader();
				echo "  <search>\n";
				echo "    <tracks>\n";
				echo "    </tracks>\n";
				echo "    <nodes>\n";
				foreach($lists as $id => $pname){
					$plist = $jzUSER->loadPlaylist($id);
					echo "      <node>\n";
					echo "        <name>" . xmlentities($pname)  . "</name>\n";
					echo "        <type>". xmlentities(ucwords("Playlist")) . "</type>\n";
					echo "        <playlink>". xmlentities($this_site .$plist->getPlayHREF()). "</playlink>\n";
					echo "        <image>";
					echo "        </image>\n";
					echo "        <playlistid>". xmlentities($id) . "</playlistid>\n"; 
					echo "        <thumbnail>";
					echo "        </thumbnail>\n"; 
					//echo "        <path>". xmlentities($pname). "</path>\n";
					echo "        <browse>". xmlentities($api_page.'&request=playlist&jz_playlist_id='. urlencode($id)). "</browse>\n";
					echo "      </node>\n";
				}
				echo "    </nodes>\n";
				echo "  </search>\n";
			    echoXMLFooter();
			    break;
			case "json":
				$jt = array(); $jn = array();
				foreach($lists as $id => $pname){
		  			$a = array();
		  			$plist = $jzUSER->loadPlaylist($id);
		  			$a['name'] = $pname;
		  			$a['type'] = ucwords("Playlist");
		  			$a['playlink'] = $this_site . $plist->getPlayHREF();
		  			$a['image'] = "";
		  			$a['playlistid'] = $id;
		  			$a['thumbnail'] = "";
		  			$a['browse'] = $api_page.'&request=playlist&jz_playlist_id='. urlencode($id);
		  			$jn[] = $a;
				}
		  		
		    	echo json_encode(array('tracks'=>$jt,'nodes'=>$jn));
		  		break;
		}
	}
	
	function playlist() {
		global $jzUSER, $this_site, $root_dir;
		$plist = $jzUSER->loadPlaylist($_REQUEST['jz_playlist_id']);
		$plist->flatten();
		$results = $plist->getList();
		$type = getFormatFromRequest();	
		$trackfields = (isset($_REQUEST['track_fields'])) ? explode(',', $_REQUEST['track_fields']) : false;
		$nodefields = (isset($_REQUEST['node_fields'])) ? explode(',', $_REQUEST['node']) : false;
		print_results($results,$type, $trackfields, $nodefields);
	}
	
	function savePlaylist() {
		global $jzUSER;
		$songarr = $_REQUEST["songs"];
		$tracks = array();
		foreach($songarr as $song){
			$track = &new jzMediaTrack($song,"id");
			$tracks[] = $track;
		}
		$pl = new jzPlaylist($tracks, $_REQUEST['name'], "static");
		$jzUSER->storePlaylist($pl);
		echo $pl->getID();
	}
	
	function deletePlayList() {
		global $jzUSER;
		$jzUSER->removePlaylist($_REQUEST["jz_playlist_id"]);
		
	}
	
        /**
	 * Get an api-centric 'homepage' for Jinzora
	 *
	 * @author Ben Dodson
	 * @since 6/21/08
	 */
         function home() {
	   global $api_page;
	   $entries = array();
	   if (false !== distanceTo('genre')) {
	     $entries[] = array('name' => 'Browse Genres',
				'description' => 'See music by genre.',
				'browse' => $api_page.'&request=browse&jz_path='.urlencode('/')
				);
	   }
	   $entries[] = array('name' => 'Browse Artists',
			      'description' => 'Browse all artists.',
			      'browse' => $api_page.'&request=browse&resulttype=artist&jz_path='.urlencode('/')
			      );
	   /*
	   $entries[] = array('name' => 'Browse Albums',
			      'description' => 'Browse all albums.',
			      'browse' => $api_page.'&request=browse&resulttype=album&jz_path='.urlencode('/')
			      );
	   */
	   /*
	   $entries[] = array('name' => 'Browse Tracks',
			      'description' => 'Browse all tracks.',
			      'browse' => $api_page.'&request=browse&resulttype=track&jz_path='.urlencode('/')
			      );
	   */	      
	   $entries[] = array('name' => 'Browse Playlists',
	   			  'description' => 'Browse all playlists.',
	   			  'browse' => $api_page.'&request=playlists'
	   			  );

	   $entries[] = array('name' => 'Recently Added Albums',
			      'description' => 'Albums recently added to Jinzora.',
			      'browse' => $api_page.'&request=chart&chart=newalbums'
			      );
	   $entries[] = array('name' => 'Recently Played Albums',
			      'description' => 'Albums recently listened to.',
			      'browse' => $api_page.'&request=chart&chart=recentlyplayedalbums'
			      );
	   
	   $entries[] = array('name' => 'Recently Played by Friends',
			      'description' => 'Albums recently listened to.',
			      'browse' => $api_page.'&request=userhistories'
			      );
	   
	   $entries[] = array('name' => 'Random Albums',
			      'description' => 'A list of randomly selected albums.',
			      'browse' => $api_page.'&request=chart&chart=randomalbums'
			      );

	   $type = getFormatFromRequest();
	   print_lists($entries,$type);

	 }


/**
 * Play histories for users
 */

function userHistories() {
  global $api_page;

  $be = new jzBackend();
  if (!isset($_REQUEST['forUser'])) {
    $users = $be->getUsersWithHistories();
    
	$type = getFormatFromRequest();	
	switch ($type){
		case "xml":
			echoXMLHeader();
			echo "  <search>\n";
			echo "    <tracks>\n";
			echo "    </tracks>\n";
			echo "    <nodes>\n";
			foreach($users as $u){
			  $playlink = xmlentities($api_page.'&request=userhistories&doplaylist=true&forUser='.$u.'&ext=pl.m3u');
				echo "      <node>\n";
				echo "        <name>" . xmlentities("Played By " . $u)  . "</name>\n";
				echo "        <type>". xmlentities(ucwords("User-History")) . "</type>\n";
				echo "        <playlink>" . $playlink  . "</playlink>\n";
				echo "        <image>";
				echo "        </image>\n";
				//echo "        <playlistid>"; 
				//echo "        </playlistid>\n"; 
				echo "        <thumbnail>";
				echo "        </thumbnail>\n"; 
				//echo "        <path>". xmlentities($pname). "</path>\n";
				echo "        <browse>". xmlentities($api_page.'&request=userhistories&forUser='.$u). "</browse>\n";
				echo "      </node>\n";
			}
			echo "    </nodes>\n";
			echo "  </search>\n";
		    echoXMLFooter();
		    break;
		case "json":
	        case "jsonp":
		  if ($type == "jsonp"){
		    echo $_GET['jsoncallback'] . '(';
		  }
			$jt = array(); $jn = array();
			foreach($users as $u){
			  // hack for now. TODO: merge play histories into core.
			  $playlink = $api_page.'&request=userhistories&doplaylist=true&forUser='.$u.'&ext=pl.m3u';
	  			$a = array();
	  			$a['name'] = "Played By " . $u;
	  			$a['type'] = ucwords("User-History");
	  			$a['playlink'] = $playlink;
	  			$a['image'] = "";
	  			//$a['playlistid'] = $id;
	  			$a['thumbnail'] = "";
	  			$a['browse'] = $api_page.'&request=userhistories&forUser='.$u;
	  			$jn[] = $a;
			}
	  		
	    	echo json_encode(array('tracks'=>$jt,'nodes'=>$jn));
		if ($type == "jsonp"){
		  echo ')';
		}
	  		break;
	}
    
    return;
  } else {
    $for = $_REQUEST['forUser'];
    $h = $be->getPlayHistory($for);

    if ($_REQUEST['doplaylist']) {
      $pl = new jzPlaylist();
      $pl->add($h);
      $pl->stream();
    } else {
     
      $trackfields = (isset($_REQUEST['track_fields'])) ? explode(',', $_REQUEST['track_fields']) : false;
	  $nodefields = (isset($_REQUEST['node_fields'])) ? explode(',', $_REQUEST['node']) : false;
	  print_results($h,getFormatFromRequest(), $trackfields, $nodefields);
    }
  }
  
}

         /**
	  * Gets the requested chart.
	  * @author Ben Dodson
	  * @since 6/21/08
	  */
         function chart() {
	   // todo: use common code for charts in blocks.php and here.
	   $chart = $_REQUEST['chart'];
	   $limit = 25;
	   $results = array();
	   if (isset($_REQUEST['jz_path'])) {
	     $root = new jzMediaNode($_REQUEST['jz_path']);
	   } else {
	     $root = new jzMediaNode();
	   }
	   switch ($chart) {
	   case 'newalbums':
	     $results = $root->getRecentlyAdded('nodes',distanceTo('album',$root),$limit);
	     break;
	   case 'recentlyplayedalbums':
	     $results = $root->getRecentlyPlayed('nodes',distanceTo('album',$root),$limit);
	     break;
	   case 'randomalbums':
	     $results = $root->getSubnodes('nodes',distanceTo('album',$root),true,$limit);
	     break;
	   }
	   
	   print_results($results,getFormatFromRequest());
	 }

         function jukebox() {
	   global $jzUSER;

	   if (!isset($_REQUEST['jb_id']) && $_REQUEST['action'] != 'list') {
	     return;
	   }
	   $_SESSION['jb_id'] = $_REQUEST['jb_id'];
	   if (isset($_REQUEST['action'])) {
	     if ($_REQUEST['action']=='list') {
	       if ($jzUSER->getSetting('jukebox_admin') === false && $jzUSER->getSetting('jukebox_queue') === false) {
		 echo "";
		 return;
	       }
	       
	       @include_once('jukebox/class.php');
	       $jbArr = jzJukebox::getJbArr();
	       foreach ($jbArr as $key => $val) {
		 echo $key.':'.$val['description']."\n";
	       }
	     }
	   }


	   // Do we need to use the standard jukebox or not?
	   // Now did they have a subcommand?
	   if ($jzUSER->getSetting('jukebox_admin') === false && $jzUSER->getSetting('jukebox_queue') === false) {
	     echo 'insufficient permissions.';
	     exit();
	   }


	   if (isset($_REQUEST['external_playlist'])) {
		require_once('playlists/class.php');

		$pl = new JzPlaylist();
		$pl->addFromExternal($_REQUEST['external_player']);
		$pl->jukebox();
		
		// Questions: how to handle addwhere param;
		// how to bring in media as JzObject (without breaking built-in calls)
                return;
	    }

	   // Jukebox commands:
	   if (isset($_REQUEST['command'])){
	     $command = $_REQUEST['command'];

	     
	     // Let's include the Jukebox classes
	     writeLogData("messages","API: Passing command: ". $command. " to the jukebox");
	     include_once("jukebox/class.php");
	     $jb = new jzJukebox();
	     $jb->passCommand($command);
	   }

	   
	 }


	/**
	* 
	* Echos out the XML header information
	*
	* @author Ross Carlson
	* @since 3/31/05
	* 
	**/
	function getCurrentTrack(){
		global $jzUSER, $this_site, $root_dir;
		
		// What kind of output?
		if (isset($_REQUEST['type'])){
			$type = $_REQUEST['type'];
		} else {
			$type = "xml";
		}
		
		// Now let's set the width
		if (isset($_REQUEST['imagesize'])){
			$imagesize = $_REQUEST['imagesize']. "x". $_REQUEST['imagesize'];
		} else {
			$imagesize = "150x150";
		}
		
		// Now let's see when to stop
		if (isset($_REQUEST['count'])){
			$total = $_REQUEST['count'];
		} else {
			$total = 1;
		}

		// Let's start the page
		if ($type == "xml"){
			echoXMLHeader();
		}
		
		// Now let's get the data
		$be = new jzBackend();
		$ar = $be->getPlaying();
		$display = new jzDisplay();
		
		$fullList = "";
		$found=false;
		foreach($ar as $user=>$tracks) {
			$name = $jzUSER->getSetting("full_name");
			if ($name == ""){
				$name = $jzUSER->lookupName($user); // that's the user name
			}			
			$i=0;			
			foreach($tracks as $time=>$song) {
				// Now let's make sure this is the right user
				if ($name == $jzUSER->getName()){
					// Now let's make sure we don't list this twice
					if (stristr($fullList,$song['path']. "-". $name. "\n")){continue;}
					$fullList .= $song['path']. "-". $name. "\n";
					
					// Now let's create the objects we need
					$node = new jzMediaNode($song['path']);
					$track = new jzMediaTrack($song['path']);
					$album = $node->getParent();
					$artist = $album->getParent();
					$meta = $track->getMeta();
					
					// Now, now let's echo out the data
					switch ($type){
						case "xml":
							echo "  <item>\n";
							echo "    <title>". $this_site. xmlUrlClean($meta['title']). "</title>\n";
							echo "    <album>\n";
							echo "      <name>". $this_site. xmlUrlClean($album->getName()). "</name>\n";
							echo "      <image>". $this_site. xmlUrlClean($display->returnImage($album->getMainArt(false, true, "audio", true),$album->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true)). "</image>\n";
							echo "    </album>\n";					
							echo "    <artist>\n";
							echo "      <name>". $this_site. xmlUrlClean($artist->getName()). "</name>\n";
							echo "      <image>". $this_site. xmlUrlClean($display->returnImage($artist->getMainArt(false, true, "audio", true),$artist->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true)). "</image>\n";
							echo "    </artist>\n";
							echo "  </item>\n";
						break;
						case "html":
							if (isset($_REQUEST['align'])){
								if ($_REQUEST['align'] == "center"){
									echo "<center>";
								}
							}
							echo $meta['title']. "<br>";
							echo $album->getName(). "<br>";
							echo $this_site. $display->returnImage($album->getMainArt(false, true, "audio", true),$album->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true). "<br>";
							echo $artist->getName(). "<br>";
							echo $display->returnImage($artist->getMainArt(false, true, "audio", true),$artist->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true). "<br>";
						break;
						case "mt":
							$art = $album->getMainArt($imagesize, true, "audio", true);
							if ($art){					
								// Now let's try to get the link from the amazon meta data service
								if ($_REQUEST['amazon_id'] <> ""){
									$jzService = new jzServices();		
									$jzService->loadService("metadata", "amazon");
									$id = $jzService->getAlbumMetadata($album, false, "id");	
									
									echo '<a target="_blank" href="http://www.amazon.com/exec/obidos/tg/detail/-/'. $id. '/'. $_REQUEST['amazon_id']. '/">';
								}
								$display->image($art,$album->getName(),150,false,"limit");	
								if ($_REQUEST['amazon_id'] <> ""){
									echo '</a>';
								}
								echo "<br>";
							}
							echo $meta['title']. "<br>";
							if ($_REQUEST['amazon_id'] <> ""){
								$jzService = new jzServices();		
								$jzService->loadService("metadata", "amazon");
								$id = $jzService->getAlbumMetadata($album, false, "id");	
								
								echo '<a target="_blank" href="http://www.amazon.com/exec/obidos/tg/detail/-/'. $id. '/'. $_REQUEST['amazon_id']. '/">'. $album->getName(). "</a><br>";
							} else {
								echo $album->getName(). "<br>";
							}
							echo $artist->getName(). "<br>";
						break;
					}
					$found=true;
					// Now should we stop?
					$i++;
					if ($i >= $total){ break; }
				}
			}
		}
		
		if (!$found){
			// Ok, we didn't find anything so let's get the last thing they played...
			$be = new jzBackend();
			$history = explode("\n",$be->loadData("playhistory-". $jzUSER->getID()));
			$track = new jzMediatrack($history[count($history)-1]);
			$album = $track->getParent();
			$artist = $album->getParent();
			$meta = $track->getMeta();
			
			// Now, now let's echo out the data
			switch ($type){
				case "xml":
					echo "  <item>\n";
					echo "    <title>". $this_site. xmlUrlClean($meta['title']). "</title>\n";
					echo "    <album>\n";
					echo "      <name>". $this_site. xmlUrlClean($album->getName()). "</name>\n";
					echo "      <image>". $this_site. xmlUrlClean($display->returnImage($album->getMainArt(false, true, "audio", true),$album->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true)). "</image>\n";
					echo "    </album>\n";					
					echo "    <artist>\n";
					echo "      <name>". $this_site. xmlUrlClean($artist->getName()). "</name>\n";
					echo "      <image>". $this_site. xmlUrlClean($display->returnImage($artist->getMainArt(false, true, "audio", true),$artist->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true)). "</image>\n";
					echo "    </artist>\n";
					echo "  </item>\n";
				break;
				case "html":
					if (isset($_REQUEST['align'])){
						if ($_REQUEST['align'] == "center"){
							echo "<center>";
						}
					}
					echo $meta['title']. "<br>";
					echo $album->getName(). "<br>";
					echo $this_site. $display->returnImage($album->getMainArt(false, true, "audio", true),$album->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true). "<br>";
					echo $artist->getName(). "<br>";
					echo $display->returnImage($artist->getMainArt(false, true, "audio", true),$artist->getName(),false, false, "limit", false, false, false, false, false, "0", false, true, true). "<br>";
				break;
				case "mt":
					if (isset($_REQUEST['align'])){
						if ($_REQUEST['align'] == "center"){
							echo "<center>";
						}
					}
					$art = $album->getMainArt($imagesize, true, "audio", true);
					if ($art){					
						// Now let's try to get the link from the amazon meta data service
						if ($_REQUEST['amazon_id'] <> ""){
							$jzService = new jzServices();		
							$jzService->loadService("metadata", "amazon");
							$id = $jzService->getAlbumMetadata($album, false, "id");	
							
							echo '<a target="_blank" href="http://www.amazon.com/exec/obidos/tg/detail/-/'. $id. '/'. $_REQUEST['amazon_id']. '/">';
						}
						$display->image($art,$album->getName(),150,false,"limit");	
						if ($_REQUEST['amazon_id'] <> ""){
							echo '</a>';
						}
						echo "<br>";
					}
					echo $meta['title']. "<br>";
					if ($_REQUEST['amazon_id'] <> ""){
						$jzService = new jzServices();		
						$jzService->loadService("metadata", "amazon");
						$id = $jzService->getAlbumMetadata($album, false, "id");	
						
						echo '<a target="_blank" href="http://www.amazon.com/exec/obidos/tg/detail/-/'. $id. '/'. $_REQUEST['amazon_id']. '/">'. $album->getName(). "</a><br>";
					} else {
						echo $album->getName(). "<br>";
					}
					echo $artist->getName(). "<br>";
				break;
			}
		}
		
		// Now let's close out
		switch ($type){
			case "xml":
				echoXMLFooter();
			break;
			case "html":
				echo '<a target="_blank" title="Jinzora :: Free Your Media!" href="http://www.jinzora.com"><img src="http://www.jinzora.com/downloads/button-stream.gif" border="0"></a>';
			break;
			case "mt":
				echo '<a target="_blank" title="Jinzora :: Free Your Media!" href="http://www.jinzora.com"><img src="http://www.jinzora.com/downloads/button-stream.gif" border="0"></a>';
			break;
		}
		
		if (isset($_REQUEST['align'])){
			if ($_REQUEST['align'] == "center"){
				echo "</center>";
			}
		}
	}
	
	
	/**
	* 
	* Echos out the XML header information
	*
	* @author Ross Carlson
	* @since 3/31/05
	* 
	**/
	function echoXMLHeader(){
		header("Content-type: text/xml");
		echo '<?xml version="1.0" encoding="ISO-8859-1"?>'. "\n";
		echo '<jinzora>'. "\n";
	}	
	
	/**
	* 
	* Echos out the XML footer information
	*
	* @author Ross Carlson
	* @since 3/31/05
	* 
	**/
	function echoXMLFooter(){
		echo '</jinzora>'. "\n";
	}	
	
	/**
	* 
	* Cleans an XML url for display
	*
	* @author Ross Carlson
	* @since 3/31/05
	* 
	* @param $string The string to clean
	* @return Returns the cleaned string
	**/
	function xmlUrlClean($string){
		//$string = urlencode($string);
		$string = str_replace("&","&amp;",$string);
		$string = str_replace('api.php',"index.php",$string);
				
		return $string;
	}
	
	
	/**
	* 
	* Generates an XML list of all genres
	*
	* @author Ross Carlson
	* @since 3/31/05
	* @return Returns a XML formatted list of all genres
	* 
	**/
	function listAllGenres($limit){
		global $this_site, $root_dir;
		
		// Let's setup the display object
		$display = new jzDisplay();
		
		// Let's echo out the XML header
		echoXMLHeader();
	
		// Let's get all the nodes
		$node = new jzMediaNode();
		
		// Now let's get each genre
		$nodes = $node->getSubNodes("nodes",false,false,$limit);
		foreach ($nodes as $item){
			echo '  <genre name="'. xmlUrlClean($item->getName()). '">'. "\n";
			echo '    <link>'. $this_site. xmlUrlClean($display->link($item,false,false,false,true,true)). '</link>'. "\n";
			echo "  </genre>\n";
		}
		
		echoXMLFooter();
	}
	
	
	/**
	* 
	* Generates an XML list of all artists
	*
	* @author Ross Carlson
	* @since 3/31/05
	* @return Returns a XML formatted list of all genres
	* 
	**/
	function listAllSubNode($type,$params){
		global $this_site, $root_dir, $jzSERVICES;
		
		$limit = $params['limit'];
		
		// Let's setup the display object
		$display = new jzDisplay();
		
		// Let's echo out the XML header
		echoXMLHeader();
	
		// Let's get all the nodes
		$node = new jzMediaNode();
		
		// Now let's get each genre
		$nodes = $node->getSubNodes("nodes",distanceTo($type),false,$limit);
		sortElements($nodes,"name");
		foreach ($nodes as $item){
			echo '  <'. $type. ' name="'. xmlUrlClean($item->getName()). '">'. "\n";
			echo '    <link>'. $this_site. xmlUrlClean($display->link($item,false,false,false,true,true)). '</link>'. "\n";
			// Now did they want full details?
			if (isset($_REQUEST['full']) && $_REQUEST['full'] == "true"){
				if (($art = $item->getMainArt(false, true, "audio", true)) !== false){
					$image = xmlUrlClean($display->returnImage($art,false,false,false,"limit",false,false,false,false,false,"0",false,true));
				} else {
					$image = "";
				}
				echo '    <image>'. $image. '</image>'. "\n";
				echo '    <desc><![CDATA['. $item->getDescription(). ']]></desc>'. "\n";
			}
			
			// Now let's close out
			echo "  </". $type. ">\n";
			flushdisplay();
		}
		
		echoXMLFooter();
	}
	
/**
 * Prints out a given array of associative
 * arrays in the requested format.
 * 
 * @author Ben Dodson
 * @since 6/21/08
 */
function print_lists($results, $format='xml') {
  switch (strtolower($format)) {
  case 'xml':
    echoXMLHeader();
    echo '  <browse>';
    foreach ($results as $r) {
      echo '<list>';
      foreach ($r as $key => $val) {
	echo "    <${key}>".xmlentities($val)."</${key}>";
      }
      echo '</list>';
    }
    echo '  </browse>';
    echoXMLFooter();
    break;
  case 'json':
    echo json_encode($results);
    break;
  case 'jsonp':
    echo $_GET['jsoncallback'] . '({"nodes":';
    echo json_encode($results);
    echo '})';
    break;
  }
}

/**
 * Results is an array of nodes and tracks.
 * Prints results in a variety of formats.
 */
function print_results($results, $format='xml', $trackfields=false, $nodefields=false, $queryMeta=false) {
  global $this_site,$api_page; 
  $display = new jzDisplay();
		$tracks = array();
		$nodes = array();
		// Now let's break our nodes and tracks out
		foreach ($results as $val) {
			// We look at objects as leafs or nodes
			// Leafs are the last branch on the tree
			// So those would be tracks/videos
			if ($val->isLeaf()) {
				$tracks[] = $val;	
			} else {
				// Nodes are everything above the leafs
				// So albums, artists, and genres
				$nodes[] = $val;
			}
		}

		// Now let's output
		switch ($format){
		case "xml": 
				echoXMLHeader();
				echo "  <search>\n";
				echo "    <tracks>\n";
				// Now let's display the tracks
				if (sizeof($tracks) > 0)
				foreach($tracks as $track){
					// Let's get all the data for display
					// The getMeta function lets us get all the metadata (length, bitrate, etc) from a tack
					$meta = $track->getMeta();
					
					// Now we go up from this item to get it's "ancestors" 
					// The reason we do this is to make sure we get the right thing
					// for it, not just the one above.  This is important when using multidisk
					// albums where their parent would be DISC1 not AlbumName
					// You can do this recursively if you want
					$album = $track->getAncestor("album");
					$art = $album->getMainArt(false, true, "audio", true);
					$artist = $album->getAncestor("artist");
					$genre = $artist->getParent();
					
					// Now let's display
					echo "      <track>\n";
					if(!is_array($trackfields) || in_array('id', $trackfields)) echo "        <id>". xmlentities($track->getID()). "</id>\n";
					if(!is_array($trackfields) || in_array('name', $trackfields)) echo "        <name>". xmlentities($meta['title']). "</name>\n";
					if(!is_array($trackfields) || in_array('metadata', $trackfields)){
						echo "        <metadata>\n";
						echo "          <filename>". xmlentities($meta['filename']). "</filename>\n";
						echo "          <tracknumber>". xmlentities($meta['number']). "</tracknumber>\n";
						echo "          <length>". xmlentities($meta['length']). "</length>\n";
						echo "          <bitrate>". xmlentities($meta['bitrate']). "</bitrate>\n";
						echo "          <samplerate>". xmlentities($meta['frequency']). "</samplerate>\n";
						echo "          <filesize>". xmlentities($meta['size']). "</filesize>\n";
						echo "        </metadata>\n";
					}
					if(!is_array($trackfields) || in_array('album', $trackfields)) echo "        <album>". xmlentities($album->getName()). "</album>\n";
					if(!is_array($trackfields) || in_array('artist', $trackfields)) echo "        <artist>". xmlentities($artist->getName()). "</artist>\n";
					if(!is_array($trackfields) || in_array('genre', $trackfields)) echo "        <genre>". xmlentities($genre->getName()). "</genre>\n";
					if(!is_array($trackfields) || in_array('path', $trackfields)) echo "        <path>". xmlentities($track->getPath("string")). "</path>\n";
					if(!is_array($trackfields) || in_array('playlink', $trackfields)) echo "        <playlink>". xmlentities($this_site.$track->getPlayHREF()). "</playlink>\n";
					if(!is_array($trackfields) || in_array('image', $trackfields)){
						echo "        <image>";
						if ($art){
							echo xmlentities($display->returnImage($art,false,false, false, "limit", false, false, false, false, false, "0", false, true, true));
						}
						echo "        </image>\n"; 
					}
					if(!is_array($trackfields) || in_array('thumbnail', $trackfields)){
						echo "        <thumbnail>";
						$art = $album->getMainArt('75x75', true, "audio", true);
						if ($art){
							echo xmlentities($display->returnImage($art,false,75,75, "limit", false, false, false, false, false, "0", false, true, true));
						}
						echo "        </thumbnail>\n"; 
					}
					if(!is_array($trackfields) || in_array('type', $trackfields)) echo "        <type>" . xmlentities("Track"). "</type>\n";
					echo "      </track>\n";
				}
				echo "    </tracks>\n";
				echo "    <nodes>\n";
				// Now let's display the nodes
				if (sizeof($nodes) > 0)
				  foreach($nodes as $node){
					// We do the same things here by getting item off the node
					// $art would be the image for the item we're looking at
					// In this case we want the art for the match we found
					// This works on ALL objects if they have art
					$art = $node->getMainArt(false, true, "audio", true);
					
					$album = $node->getAncestor("album");
					if ($album) {
						$artist = $album->getAncestor("artist");
					} else {
                                                $artist = "";
                                        }
					
					echo "      <node>\n";
					if(!is_array($nodefields) || in_array('id', $nodefields)) echo "        <id>". xmlentities($node->getID()). "</id>\n";
					if(!is_array($nodefields) || in_array('name', $nodefields)) echo "        <name>". xmlentities($node->getName()). "</name>\n";
					if(!is_array($nodefields) || in_array('type', $nodefields)) echo "        <type>". xmlentities(ucwords($node->getPType())). "</type>\n";
					if(!is_array($nodefields) || in_array('link', $nodefields)) echo "        <link>". xmlentities($this_site.$display->link($node,false,false,false,true,true)). "</link>\n";
					if((!is_array($nodefields) || in_array('album', $nodefields)) && !empty($album)) {
						  echo "        <album>". xmlentities($album->getName()). "</album>\n";
					}
					if ((!is_array($nodefields) || in_array('artist', $nodefields)) && !empty($artist)) {
					  echo "        <artist>". xmlentities($artist->getName()). "</artist>\n";
					}
					if(!is_array($nodefields) || in_array('image', $nodefields)) {
						echo "        <image>";
						if ($art){
							echo xmlentities($display->returnImage($art,false,false, false, "limit", false, false, false, false, false, "0", false, true, true));
						}
						echo "        </image>\n";
					}
					if(!is_array($nodefields) || in_array('thumbnail', $nodefields)) {
						echo "        <thumbnail>";
						$art = $node->getMainArt('75x75', true, "audio", true);
						if ($art){
							echo xmlentities($display->returnImage($art,false,75,75, "limit", false, false, false, false, false, "0", false, true, true));
						}
						echo "        </thumbnail>\n"; 
				  	}
				  	if(!is_array($nodefields) || in_array('playlink', $nodefields)) {
						if ($node->getPType() == 'artist' || $node->getPType() == 'genre') {
						  echo "        <playlink>". xmlentities($this_site.$node->getPlayHREF(true,50)). "</playlink>\n";
						} else {
						  echo "        <playlink>". xmlentities($this_site.$node->getPlayHREF()). "</playlink>\n";
						}
				  	}
					if(!is_array($nodefields) || in_array('path', $nodefields)) echo "        <path>". xmlentities($node->getPath("string")). "</path>\n";
					if(!is_array($nodefields) || in_array('browse', $nodefields))echo "        <browse>". xmlentities($api_page.'&request=browse&jz_path='.urlencode($node->getPath('string'))). "</browse>\n";
					echo "      </node>\n";
				}
				echo "    </nodes>\n";
				echo "  </search>\n";
				echoXMLFooter();
			break;
			case "display":
				// Ok, let's redirect them to the search page
				header("Location: ". $this_site. "/index.php?doSearch=true&search_query=jam&search_type=ALL");
			break;
		case "json":
		case "jsonp":
		  $jt = array(); $jn = array();
		  foreach ($tracks as $t) {
		    $n = array();

		    $meta = $t->getMeta();
		    
		    $album = $artist = $genre = false;
		    $album = $t->getAncestor("album");
		    if ($album) $artist = $album->getAncestor("artist");
		    if ($artist) $genre = $artist->getParent();
		    
		    if ($album) $art = $album->getMainArt(false, true, "audio", true);
		    
		    // Now let's display
		    if(!is_array($trackfields) || in_array('image', $trackfields)) $n['image']=($art) ? $display->returnImage($art,false,false, false, "limit", false, false, false, false, false, "0", false, true, true) : '';
		    if ($album) $art = $album->getMainArt('75x75', true, "audio", true);
		    if(!is_array($trackfields) || in_array('thumbnail', $trackfields))  $n['thumbnail']=($art) ? $display->returnImage($art,false,75, 75, "limit", false, false, false, false, false, "0", false, true, true) : '';
		    if(!is_array($trackfields) || in_array('id', $trackfields)) $n['id'] = $t->getID();
		    if(!is_array($trackfields) || in_array('name', $trackfields)) $n['name'] = $meta['title'];
		    if(!is_array($trackfields) || in_array('album', $trackfields)) $n['album'] = ($album) ? $album->getName() : '';
		    if(!is_array($trackfields) || in_array('artist', $trackfields)) $n['artist'] = ($artist) ? $artist->getName() : '';
		    if(!is_array($trackfields) || in_array('genre', $trackfields)) $n['genre'] = ($genre) ? $genre->getName() : '';
		    if(!is_array($trackfields) || in_array('playlink', $trackfields)) $n['playlink'] = $this_site.$t->getPlayHREF();
		    if(!is_array($trackfields) || in_array('playlink', $trackfields)) $n['download'] = $this_site.$t->getDownloadHREF();
		    if(!is_array($trackfields) || in_array('metadata', $trackfields)) $n['metadata'] = $meta;
		    if(!is_array($trackfields) || in_array('path', $trackfields)) $n['path'] = $t->getPath("string");
		    if(!is_array($trackfields) || in_array('type', $trackfields)) $n['type'] = 'Track';

		    $jt[] = $n;
		  }

		  foreach ($nodes as $n) {
		    $a = array();
		    
		    $album = $n->getAncestor("album");
			if ($album) {
				$artist = $album->getAncestor("artist");
			}
			
		    $art = $n->getMainArt(false, true, "audio", true);

		    if(!is_array($nodefields) || in_array('id', $nodefields)) $a['id']=$n->getID();
		    if(!is_array($nodefields) || in_array('name', $nodefields)) $a['name']=$n->getName();
		    if(!is_array($nodefields) || in_array('type', $nodefields))  $a['type']=ucwords($n->getPType());
		    if(!is_array($nodefields) || in_array('link', $nodefields)) $a['link']=$this_site.$display->link($node,false,false,false,true,true);
		    if(!is_array($nodefields) || in_array('album', $nodefields)) $a['album']=(empty($album)) ? '' : $album->getName();
		    if(!is_array($nodefields) || in_array('artist', $nodefields)) $a['artist']=(empty($artist))?'':$artist->getName();
		    if(!is_array($nodefields) || in_array('image', $nodefields)) $a['image']=($art) ? $display->returnImage($art,false,false, false, "limit", false, false, false, false, false, "0", false, true, true) : '';
		    $art = $n->getMainArt('75x75', true, "audio", true);
		    if(!is_array($nodefields) || in_array('thumbnail', $nodefields)) $a['thumbnail']=($art) ? $display->returnImage($art,false,75, 75, "limit", false, false, false, false, false, "0", false, true, true) : '';
		    if(!is_array($nodefields) || in_array('playlink', $nodefields)) {
			    if ($a['type']=='Artist' || $a['type'] == 'Genre') {
			      $a['playlink'] = $this_site.$n->getPlayHREF(true,50);
			    } else {
			      $a['playlink'] = $this_site.$n->getPlayHREF();
			    }
		    }
		    if(!is_array($nodefields) || in_array('path', $nodefields)) $a['path'] = $n->getPath("string");
		    if(!is_array($nodefields) || in_array('browse', $nodefields)) $a['browse'] = $api_page.'&request=browse&jz_path='.urlencode($n->getPath('string'));

		    $jn[] = $a;
		  }

		  $obj = array('tracks'=>$jt,'nodes'=>$jn);
		  if ($queryMeta !== false) {
		    $obj['meta'] = $queryMeta;
		  }
		  if ($format == 'jsonp') {
		    echo $_GET['jsoncallback'] . '(';
		    echo json_encode($obj);
		    echo ')';
		  } else {
		    echo json_encode($obj);
		  }
		  

		  break;

		case 'plain':
		case 'text':
		  foreach ($tracks as $t) {
		    echo $t->getName() . "\n";
		  }

		  foreach ($nodes as $n) {
		    echo $n->getName() . "\n";
		  }
		}
}

function url_alias() {
  $aliases = array('password'=>'pass',
		   'username'=>'user',
		   'query'=>'search');

  foreach ($aliases as $alias => $canonical) {
    if (isset($_REQUEST[$alias])) {
      $_REQUEST[$canonical]=$_REQUEST[$alias];
    }
  }
}

function get_base_url() {
  global $this_site,$api_page;
  
  $maintain = array('user','pass','jb_id', 'output', 'pw_hashed');


        $api_page = $this_site.$_SERVER['PHP_SELF'] .'?';
	$c = '';
	foreach ($maintain as $m) {
	  if (isset($_REQUEST[$m])) {
	    $api_page .= $c . $m . '=' . urlencode($_REQUEST[$m]);
	    $c = '&';
	  }
	}

	return $api_page;
}