add last_fm api

index.php

@@ -11,6 +11,21 @@
 		integrity="sha256-WpOohJOqMqqyKL9FccASB9O0KwACQJpFTUBLTYOVvVU="
 		crossorigin="anonymous">
 	</script>
+	<script
+		src="https://cdnjs.cloudflare.com/ajax/libs/jsrender/1.0.6/jsrender.js"
+		integrity="sha256-2Mqub/wO44EnER/JI+RrSncU1C4rU9PKK7BaZIn87jI="
+		crossorigin="anonymous">
+	</script>
+	<script src="js/lastfm.api.md5.js" type="text/javascript"></script>
+	<script src="js/lastfm.api.js" type="text/javascript"></script>
+
+<!--
+	<script id="lastfmTemplateArtistInfo" type="text/x-jsrender">
+		<div class="artist_info">
+  	<a href="{{:url}}" rel="nofollow" target="_blank"><b>{{:name}}:</b><img src="{{:image[1]["#text"]}}" alt="{{:name}}" /></a>
+    </div>
+	</script>
+-->
 
 </head>
 
@@ -51,11 +66,17 @@
 		<br>
 		<div id="listeners">title</div>
 
+		<br>
+
+		<h2>Top artist</h2>
+	  <div class="content-body-inner" id="curr_artist"></div>
+
 	</div>
 </div>
 
 <script src="js/audio.js" type="text/javascript"></script>
 <script src="js/radio.js" type="text/javascript"></script>
+<script src="js/info.js" type="text/javascript"></script>
 
 </body>
 

js/info.js

@@ -0,0 +1,25 @@
+/* Create a cache object */
+//var cache = new LastFMCache();
+
+/* Create a LastFM object */
+var lastfm = new LastFM({
+  apiKey    : '59ab8307ec00a5ec90574ac91885798e',
+  apiSecret : 'e09bec215fdc3100ff998167e5b401f8',
+//  cache     : cache
+});
+
+/* Load some artist info. */
+/*
+lastfm.artist.getInfo({artist: 'Boris'}, {success: function(data){
+  $('#curr_artist').html(
+	$('#lastfmTemplateArtistInfo').render(data.artist));
+}, error: function(code, message){
+  alert('Error #'+code+': '+message);
+}});
+*/
+
+lastfm.artist.getInfo({artist: 'Boris'}, {success: function(data){
+  alert(data.artist.url)
+}, error: function(code, message){
+  alert('Error #'+code+': '+message);
+}});

js/lastfm.api.js

@@ -0,0 +1,847 @@
+/*
+ *
+ * Copyright (c) 2008-2010, Felix Bruns <felixbruns@web.de>
+ *
+ */
+
+function LastFM(options){
+	/* Set default values for required options. */
+	var apiKey    = options.apiKey    || '59ab8307ec00a5ec90574ac91885798e';
+	var apiSecret = options.apiSecret || 'e09bec215fdc3100ff998167e5b401f8';
+	var apiUrl    = options.apiUrl    || 'http://ws.audioscrobbler.com/2.0/';
+	var cache     = options.cache     || undefined;
+
+	/* Set API key. */
+	this.setApiKey = function(_apiKey){
+		apiKey = _apiKey;
+	};
+
+	/* Set API key. */
+	this.setApiSecret = function(_apiSecret){
+		apiSecret = _apiSecret;
+	};
+
+	/* Set API URL. */
+	this.setApiUrl = function(_apiUrl){
+		apiUrl = _apiUrl;
+	};
+
+	/* Set cache. */
+	this.setCache = function(_cache){
+		cache = _cache;
+	};
+
+	/* Set the JSONP callback identifier counter. This is used to ensure the callbacks are unique */
+	var jsonpCounter = 0;
+
+	/* Internal call (POST, GET). */
+	var internalCall = function(params, callbacks, requestMethod){
+		/* Cross-domain POST request (doesn't return any data, always successful). */
+		if(requestMethod == 'POST'){
+			/* Create iframe element to post data. */
+			var html   = document.getElementsByTagName('html')[0];
+			var iframe = document.createElement('iframe');
+			var doc;
+
+			/* Set iframe attributes. */
+			iframe.width        = 1;
+			iframe.height       = 1;
+			iframe.style.border = 'none';
+
+			/* Append iframe. */
+			html.appendChild(iframe);
+			iframe.onload       = function(){
+				/* Remove iframe element. */
+				html.removeChild(iframe);
+
+				/* Call user callback. */
+				if(typeof(callbacks.success) != 'undefined'){
+					callbacks.success();
+				}
+			};
+
+			/* Get iframe document. */
+			if(typeof(iframe.contentWindow) != 'undefined'){
+				doc = iframe.contentWindow.document;
+			}
+			else if(typeof(iframe.contentDocument.document) != 'undefined'){
+				doc = iframe.contentDocument.document.document;
+			}
+			else{
+				doc = iframe.contentDocument.document;
+			}
+
+			/* Open iframe document and write a form. */
+			doc.open();
+			doc.clear();
+			doc.write('<form method="post" action="' + apiUrl + '" id="form">');
+
+			/* Write POST parameters as input fields. */
+			for(var param in params){
+				doc.write('<input type="text" name="' + param + '" value="' + params[param] + '">');
+			}
+
+			/* Write automatic form submission code. */
+			doc.write('</form>');
+			doc.write('<script type="application/x-javascript">');
+			doc.write('document.getElementById("form").submit();');
+			doc.write('</script>');
+
+			/* Close iframe document. */
+			doc.close();
+		}
+		/* Cross-domain GET request (JSONP). */
+		else{
+			/* Get JSONP callback name. */
+			var jsonp = 'jsonp' + new Date().getTime() + jsonpCounter;
+
+			/* Update the unique JSONP callback counter */
+			jsonpCounter += 1;
+
+			/* Calculate cache hash. */
+			var hash = auth.getApiSignature(params);
+
+			/* Check cache. */
+			if(typeof(cache) != 'undefined' && cache.contains(hash) && !cache.isExpired(hash)){
+				if(typeof(callbacks.success) != 'undefined'){
+					callbacks.success(cache.load(hash));
+				}
+
+				return;
+			}
+
+			/* Set callback name and response format. */
+			params.callback = jsonp;
+			params.format   = 'json';
+
+			/* Create JSONP callback function. */
+			window[jsonp] = function(data){
+				/* Is a cache available?. */
+				if(typeof(cache) != 'undefined'){
+					var expiration = cache.getExpirationTime(params);
+
+					if(expiration > 0){
+						cache.store(hash, data, expiration);
+					}
+				}
+
+				/* Call user callback. */
+				if(typeof(data.error) != 'undefined'){
+					if(typeof(callbacks.error) != 'undefined'){
+						callbacks.error(data.error, data.message);
+					}
+				}
+				else if(typeof(callbacks.success) != 'undefined'){
+					callbacks.success(data);
+				}
+
+				/* Garbage collect. */
+				window[jsonp] = undefined;
+
+				try{
+					delete window[jsonp];
+				}
+				catch(e){
+					/* Nothing. */
+				}
+
+				/* Remove script element. */
+				if(head){
+					head.removeChild(script);
+				}
+			};
+
+			/* Create script element to load JSON data. */
+			var head   = document.getElementsByTagName("head")[0];
+			var script = document.createElement("script");
+
+			/* Build parameter string. */
+			var array = [];
+
+			for(var param in params){
+				array.push(encodeURIComponent(param) + "=" + encodeURIComponent(params[param]));
+			}
+
+			/* Set script source. */
+			script.src = apiUrl + '?' + array.join('&').replace(/%20/g, '+');
+
+			/* Append script element. */
+			head.appendChild(script);
+		}
+	};
+
+	/* Normal method call. */
+	var call = function(method, params, callbacks, requestMethod){
+		/* Set default values. */
+		params        = params        || {};
+		callbacks     = callbacks     || {};
+		requestMethod = requestMethod || 'GET';
+
+		/* Add parameters. */
+		params.method  = method;
+		params.api_key = apiKey;
+
+		/* Call method. */
+		internalCall(params, callbacks, requestMethod);
+	};
+
+	/* Signed method call. */
+	var signedCall = function(method, params, session, callbacks, requestMethod){
+		/* Set default values. */
+		params        = params        || {};
+		callbacks     = callbacks     || {};
+		requestMethod = requestMethod || 'GET';
+
+		/* Add parameters. */
+		params.method  = method;
+		params.api_key = apiKey;
+
+		/* Add session key. */
+		if(session && typeof(session.key) != 'undefined'){
+			params.sk = session.key;
+		}
+
+		/* Get API signature. */
+		params.api_sig = auth.getApiSignature(params);
+
+		/* Call method. */
+		internalCall(params, callbacks, requestMethod);
+	};
+
+	/* Album methods. */
+	this.album = {
+		addTags : function(params, session, callbacks){
+			/* Build comma separated tags string. */
+			if(typeof(params.tags) == 'object'){
+				params.tags = params.tags.join(',');
+			}
+
+			signedCall('album.addTags', params, session, callbacks, 'POST');
+		},
+
+		getBuylinks : function(params, callbacks){
+			call('album.getBuylinks', params, callbacks);
+		},
+
+		getInfo : function(params, callbacks){
+			call('album.getInfo', params, callbacks);
+		},
+
+		getTags : function(params, session, callbacks){
+			signedCall('album.getTags', params, session, callbacks);
+		},
+
+		getTopTags: function(params, callbacks){
+			signedCall('album.getTopTags', params, callbacks);
+		},
+
+		removeTag : function(params, session, callbacks){
+			signedCall('album.removeTag', params, session, callbacks, 'POST');
+		},
+
+		search : function(params, callbacks){
+			call('album.search', params, callbacks);
+		},
+
+		share : function(params, session, callbacks){
+			/* Build comma separated recipients string. */
+			if(typeof(params.recipient) == 'object'){
+				params.recipient = params.recipient.join(',');
+			}
+
+			signedCall('album.share', params, callbacks);
+		}
+	};
+
+	/* Artist methods. */
+	this.artist = {
+		addTags : function(params, session, callbacks){
+			/* Build comma separated tags string. */
+			if(typeof(params.tags) == 'object'){
+				params.tags = params.tags.join(',');
+			}
+
+			signedCall('artist.addTags', params, session, callbacks, 'POST');
+		},
+
+		getCorrection : function(params, callbacks){
+			call('artist.getCorrection', params, callbacks);
+		},
+
+		getEvents : function(params, callbacks){
+			call('artist.getEvents', params, callbacks);
+		},
+
+		getImages : function(params, callbacks){
+			call('artist.getImages', params, callbacks);
+		},
+
+		getInfo : function(params, callbacks){
+			call('artist.getInfo', params, callbacks);
+		},
+
+		getPastEvents : function(params, callbacks){
+			call('artist.getPastEvents', params, callbacks);
+		},
+
+		getPodcast : function(params, callbacks){
+			call('artist.getPodcast', params, callbacks);
+		},
+
+		getShouts : function(params, callbacks){
+			call('artist.getShouts', params, callbacks);
+		},
+
+		getSimilar : function(params, callbacks){
+			call('artist.getSimilar', params, callbacks);
+		},
+
+		getTags : function(params, session, callbacks){
+			signedCall('artist.getTags', params, session, callbacks);
+		},
+
+		getTopAlbums : function(params, callbacks){
+			call('artist.getTopAlbums', params, callbacks);
+		},
+
+		getTopFans : function(params, callbacks){
+			call('artist.getTopFans', params, callbacks);
+		},
+
+		getTopTags : function(params, callbacks){
+			call('artist.getTopTags', params, callbacks);
+		},
+
+		getTopTracks : function(params, callbacks){
+			call('artist.getTopTracks', params, callbacks);
+		},
+
+		removeTag : function(params, session, callbacks){
+			signedCall('artist.removeTag', params, session, callbacks, 'POST');
+		},
+
+		search : function(params, callbacks){
+			call('artist.search', params, callbacks);
+		},
+
+		share : function(params, session, callbacks){
+			/* Build comma separated recipients string. */
+			if(typeof(params.recipient) == 'object'){
+				params.recipient = params.recipient.join(',');
+			}
+
+			signedCall('artist.share', params, session, callbacks, 'POST');
+		},
+
+		shout : function(params, session, callbacks){
+			signedCall('artist.shout', params, session, callbacks, 'POST');
+		}
+	};
+
+	/* Auth methods. */
+	this.auth = {
+		getMobileSession : function(params, callbacks){
+			/* Set new params object with authToken. */
+			params = {
+				username  : params.username,
+				authToken : md5(params.username + md5(params.password))
+			};
+
+			signedCall('auth.getMobileSession', params, null, callbacks);
+		},
+
+		getSession : function(params, callbacks){
+			signedCall('auth.getSession', params, null, callbacks);
+		},
+
+		getToken : function(callbacks){
+			signedCall('auth.getToken', null, null, callbacks);
+		},
+
+		/* Deprecated. Security hole was fixed. */
+		getWebSession : function(callbacks){
+			/* Save API URL and set new one (needs to be done due to a cookie!). */
+			var previuousApiUrl = apiUrl;
+
+			apiUrl = 'http://ext.last.fm/2.0/';
+
+			signedCall('auth.getWebSession', null, null, callbacks);
+
+			/* Restore API URL. */
+			apiUrl = previuousApiUrl;
+		}
+	};
+
+	/* Chart methods. */
+	this.chart = {
+		getHypedArtists : function(params, session, callbacks){
+			call('chart.getHypedArtists', params, callbacks);
+		},
+
+		getHypedTracks : function(params, session, callbacks){
+			call('chart.getHypedTracks', params, callbacks);
+		},
+
+		getLovedTracks : function(params, session, callbacks){
+			call('chart.getLovedTracks', params, callbacks);
+		},
+
+		getTopArtists : function(params, session, callbacks){
+			call('chart.getTopArtists', params, callbacks);
+		},
+
+		getTopTags : function(params, session, callbacks){
+			call('chart.getTopTags', params, callbacks);
+		},
+
+		getTopTracks : function(params, session, callbacks){
+			call('chart.getTopTracks', params, callbacks);
+		}
+	};
+
+	/* Event methods. */
+	this.event = {
+		attend : function(params, session, callbacks){
+			signedCall('event.attend', params, session, callbacks, 'POST');
+		},
+
+		getAttendees : function(params, session, callbacks){
+			call('event.getAttendees', params, callbacks);
+		},
+
+		getInfo : function(params, callbacks){
+			call('event.getInfo', params, callbacks);
+		},
+
+		getShouts : function(params, callbacks){
+			call('event.getShouts', params, callbacks);
+		},
+
+		share : function(params, session, callbacks){
+			/* Build comma separated recipients string. */
+			if(typeof(params.recipient) == 'object'){
+				params.recipient = params.recipient.join(',');
+			}
+
+			signedCall('event.share', params, session, callbacks, 'POST');
+		},
+
+		shout : function(params, session, callbacks){
+			signedCall('event.shout', params, session, callbacks, 'POST');
+		}
+	};
+
+	/* Geo methods. */
+	this.geo = {
+		getEvents : function(params, callbacks){
+			call('geo.getEvents', params, callbacks);
+		},
+
+		getMetroArtistChart : function(params, callbacks){
+			call('geo.getMetroArtistChart', params, callbacks);
+		},
+
+		getMetroHypeArtistChart : function(params, callbacks){
+			call('geo.getMetroHypeArtistChart', params, callbacks);
+		},
+
+		getMetroHypeTrackChart : function(params, callbacks){
+			call('geo.getMetroHypeTrackChart', params, callbacks);
+		},
+
+		getMetroTrackChart : function(params, callbacks){
+			call('geo.getMetroTrackChart', params, callbacks);
+		},
+
+		getMetroUniqueArtistChart : function(params, callbacks){
+			call('geo.getMetroUniqueArtistChart', params, callbacks);
+		},
+
+		getMetroUniqueTrackChart : function(params, callbacks){
+			call('geo.getMetroUniqueTrackChart', params, callbacks);
+		},
+
+		getMetroWeeklyChartlist : function(params, callbacks){
+			call('geo.getMetroWeeklyChartlist', params, callbacks);
+		},
+
+		getMetros : function(params, callbacks){
+			call('geo.getMetros', params, callbacks);
+		},
+
+		getTopArtists : function(params, callbacks){
+			call('geo.getTopArtists', params, callbacks);
+		},
+
+		getTopTracks : function(params, callbacks){
+			call('geo.getTopTracks', params, callbacks);
+		}
+	};
+
+	/* Group methods. */
+	this.group = {
+		getHype : function(params, callbacks){
+			call('group.getHype', params, callbacks);
+		},
+
+		getMembers : function(params, callbacks){
+			call('group.getMembers', params, callbacks);
+		},
+
+		getWeeklyAlbumChart : function(params, callbacks){
+			call('group.getWeeklyAlbumChart', params, callbacks);
+		},
+
+		getWeeklyArtistChart : function(params, callbacks){
+			call('group.getWeeklyArtistChart', params, callbacks);
+		},
+
+		getWeeklyChartList : function(params, callbacks){
+			call('group.getWeeklyChartList', params, callbacks);
+		},
+
+		getWeeklyTrackChart : function(params, callbacks){
+			call('group.getWeeklyTrackChart', params, callbacks);
+		}
+	};
+
+	/* Library methods. */
+	this.library = {
+		addAlbum : function(params, session, callbacks){
+			signedCall('library.addAlbum', params, session, callbacks, 'POST');
+		},
+
+		addArtist : function(params, session, callbacks){
+			signedCall('library.addArtist', params, session, callbacks, 'POST');
+		},
+
+		addTrack : function(params, session, callbacks){
+			signedCall('library.addTrack', params, session, callbacks, 'POST');
+		},
+
+		getAlbums : function(params, callbacks){
+			call('library.getAlbums', params, callbacks);
+		},
+
+		getArtists : function(params, callbacks){
+			call('library.getArtists', params, callbacks);
+		},
+
+		getTracks : function(params, callbacks){
+			call('library.getTracks', params, callbacks);
+		}
+	};
+
+	/* Playlist methods. */
+	this.playlist = {
+		addTrack : function(params, session, callbacks){
+			signedCall('playlist.addTrack', params, session, callbacks, 'POST');
+		},
+
+		create : function(params, session, callbacks){
+			signedCall('playlist.create', params, session, callbacks, 'POST');
+		},
+
+		fetch : function(params, callbacks){
+			call('playlist.fetch', params, callbacks);
+		}
+	};
+
+	/* Radio methods. */
+	this.radio = {
+		getPlaylist : function(params, session, callbacks){
+			signedCall('radio.getPlaylist', params, session, callbacks);
+		},
+
+		search : function(params, session, callbacks){
+			signedCall('radio.search', params, session, callbacks);
+		},
+
+		tune : function(params, session, callbacks){
+			signedCall('radio.tune', params, session, callbacks);
+		}
+	};
+
+	/* Tag methods. */
+	this.tag = {
+		getInfo : function(params, callbacks){
+			call('tag.getInfo', params, callbacks);
+		},
+
+		getSimilar : function(params, callbacks){
+			call('tag.getSimilar', params, callbacks);
+		},
+
+		getTopAlbums : function(params, callbacks){
+			call('tag.getTopAlbums', params, callbacks);
+		},
+
+		getTopArtists : function(params, callbacks){
+			call('tag.getTopArtists', params, callbacks);
+		},
+
+		getTopTags : function(callbacks){
+			call('tag.getTopTags', null, callbacks);
+		},
+
+		getTopTracks : function(params, callbacks){
+			call('tag.getTopTracks', params, callbacks);
+		},
+
+		getWeeklyArtistChart : function(params, callbacks){
+			call('tag.getWeeklyArtistChart', params, callbacks);
+		},
+
+		getWeeklyChartList : function(params, callbacks){
+			call('tag.getWeeklyChartList', params, callbacks);
+		},
+
+		search : function(params, callbacks){
+			call('tag.search', params, callbacks);
+		}
+	};
+
+	/* Tasteometer method. */
+	this.tasteometer = {
+		compare : function(params, callbacks){
+			call('tasteometer.compare', params, callbacks);
+		},
+
+		compareGroup : function(params, callbacks){
+			call('tasteometer.compareGroup', params, callbacks);
+		}
+	};
+
+	/* Track methods. */
+	this.track = {
+		addTags : function(params, session, callbacks){
+			signedCall('track.addTags', params, session, callbacks, 'POST');
+		},
+
+		ban : function(params, session, callbacks){
+			signedCall('track.ban', params, session, callbacks, 'POST');
+		},
+
+		getBuylinks : function(params, callbacks){
+			call('track.getBuylinks', params, callbacks);
+		},
+
+		getCorrection : function(params, callbacks){
+			call('track.getCorrection', params, callbacks);
+		},
+
+		getFingerprintMetadata : function(params, callbacks){
+			call('track.getFingerprintMetadata', params, callbacks);
+		},
+
+		getInfo : function(params, callbacks){
+			call('track.getInfo', params, callbacks);
+		},
+
+		getShouts : function(params, callbacks){
+			call('track.getShouts', params, callbacks);
+		},
+
+		getSimilar : function(params, callbacks){
+			call('track.getSimilar', params, callbacks);
+		},
+
+		getTags : function(params, session, callbacks){
+			signedCall('track.getTags', params, session, callbacks);
+		},
+
+		getTopFans : function(params, callbacks){
+			call('track.getTopFans', params, callbacks);
+		},
+
+		getTopTags : function(params, callbacks){
+			call('track.getTopTags', params, callbacks);
+		},
+
+		love : function(params, session, callbacks){
+			signedCall('track.love', params, session, callbacks, 'POST');
+		},
+
+		removeTag : function(params, session, callbacks){
+			signedCall('track.removeTag', params, session, callbacks, 'POST');
+		},
+
+		scrobble : function(params, session, callbacks){
+			/* Flatten an array of multiple tracks into an object with "array notation". */
+			if(params.constructor.toString().indexOf("Array") != -1){
+				var p = {};
+
+				for(i in params){
+					for(j in params[i]){
+						p[j + '[' + i + ']'] = params[i][j];
+					}
+				}
+
+				params = p;
+			}
+
+			signedCall('track.scrobble', params, session, callbacks, 'POST');
+		},
+
+		search : function(params, callbacks){
+			call('track.search', params, callbacks);
+		},
+
+		share : function(params, session, callbacks){
+			/* Build comma separated recipients string. */
+			if(typeof(params.recipient) == 'object'){
+				params.recipient = params.recipient.join(',');
+			}
+
+			signedCall('track.share', params, session, callbacks, 'POST');
+		},
+
+		unban : function(params, session, callbacks){
+			signedCall('track.unban', params, session, callbacks, 'POST');
+		},
+
+		unlove : function(params, session, callbacks){
+			signedCall('track.unlove', params, session, callbacks, 'POST');
+		},
+
+		updateNowPlaying : function(params, session, callbacks){
+			signedCall('track.updateNowPlaying', params, session, callbacks, 'POST');
+		}
+	};
+
+	/* User methods. */
+	this.user = {
+		getArtistTracks : function(params, callbacks){
+			call('user.getArtistTracks', params, callbacks);
+		},
+
+		getBannedTracks : function(params, callbacks){
+			call('user.getBannedTracks', params, callbacks);
+		},
+
+		getEvents : function(params, callbacks){
+			call('user.getEvents', params, callbacks);
+		},
+
+		getFriends : function(params, callbacks){
+			call('user.getFriends', params, callbacks);
+		},
+
+		getInfo : function(params, callbacks){
+			call('user.getInfo', params, callbacks);
+		},
+
+		getLovedTracks : function(params, callbacks){
+			call('user.getLovedTracks', params, callbacks);
+		},
+
+		getNeighbours : function(params, callbacks){
+			call('user.getNeighbours', params, callbacks);
+		},
+
+		getNewReleases : function(params, callbacks){
+			call('user.getNewReleases', params, callbacks);
+		},
+
+		getPastEvents : function(params, callbacks){
+			call('user.getPastEvents', params, callbacks);
+		},
+
+		getPersonalTags : function(params, callbacks){
+			call('user.getPersonalTags', params, callbacks);
+		},
+
+		getPlaylists : function(params, callbacks){
+			call('user.getPlaylists', params, callbacks);
+		},
+
+		getRecentStations : function(params, session, callbacks){
+			signedCall('user.getRecentStations', params, session, callbacks);
+		},
+
+		getRecentTracks : function(params, callbacks){
+			call('user.getRecentTracks', params, callbacks);
+		},
+
+		getRecommendedArtists : function(params, session, callbacks){
+			signedCall('user.getRecommendedArtists', params, session, callbacks);
+		},
+
+		getRecommendedEvents : function(params, session, callbacks){
+			signedCall('user.getRecommendedEvents', params, session, callbacks);
+		},
+
+		getShouts : function(params, callbacks){
+			call('user.getShouts', params, callbacks);
+		},
+
+		getTopAlbums : function(params, callbacks){
+			call('user.getTopAlbums', params, callbacks);
+		},
+
+		getTopArtists : function(params, callbacks){
+			call('user.getTopArtists', params, callbacks);
+		},
+
+		getTopTags : function(params, callbacks){
+			call('user.getTopTags', params, callbacks);
+		},
+
+		getTopTracks : function(params, callbacks){
+			call('user.getTopTracks', params, callbacks);
+		},
+
+		getWeeklyAlbumChart : function(params, callbacks){
+			call('user.getWeeklyAlbumChart', params, callbacks);
+		},
+
+		getWeeklyArtistChart : function(params, callbacks){
+			call('user.getWeeklyArtistChart', params, callbacks);
+		},
+
+		getWeeklyChartList : function(params, callbacks){
+			call('user.getWeeklyChartList', params, callbacks);
+		},
+
+		getWeeklyTrackChart : function(params, callbacks){
+			call('user.getWeeklyTrackChart', params, callbacks);
+		},
+
+		shout : function(params, session, callbacks){
+			signedCall('user.shout', params, session, callbacks, 'POST');
+		}
+	};
+
+	/* Venue methods. */
+	this.venue = {
+		getEvents : function(params, callbacks){
+			call('venue.getEvents', params, callbacks);
+		},
+
+		getPastEvents : function(params, callbacks){
+			call('venue.getPastEvents', params, callbacks);
+		},
+
+		search : function(params, callbacks){
+			call('venue.search', params, callbacks);
+		}
+	};
+
+	/* Private auth methods. */
+	var auth = {
+		getApiSignature : function(params){
+			var keys = Object.keys(params);
+			var string = '';
+
+			keys.sort();
+			keys.forEach(function(key) {
+				string += key + params[key];
+			});
+
+			string += apiSecret;
+
+			/* Needs lastfm.api.md5.js. */
+			return md5(string);
+		}
+	};
+}

js/lastfm.api.md5.js

@@ -0,0 +1,257 @@
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+/*
+ * Configurable variables. You may need to tweak these to be compatible with
+ * the server-side, but the defaults work in most cases.
+ */
+var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
+var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
+var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */
+
+/*
+ * These are the functions you'll usually want to call
+ * They take string arguments and return either hex or base-64 encoded strings
+ */
+function md5(s){ return hex_md5(s); }
+function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
+function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
+function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
+function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
+function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
+function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
+
+/*
+ * Perform a simple self-test to see if the VM is working
+ */
+function md5_vm_test()
+{
+  return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
+}
+
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length
+ */
+function core_md5(x, len)
+{
+  /* append padding */
+  x[len >> 5] |= 0x80 << ((len) % 32);
+  x[(((len + 64) >>> 9) << 4) + 14] = len;
+
+  var a =  1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+  var d =  271733878;
+
+  for(var i = 0; i < x.length; i += 16)
+  {
+    var olda = a;
+    var oldb = b;
+    var oldc = c;
+    var oldd = d;
+
+    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
+    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
+    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
+    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
+    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
+    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
+    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
+    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
+    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
+    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
+    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
+    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
+    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
+    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
+    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
+    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
+
+    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
+    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
+    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
+    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
+    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
+    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
+    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
+    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
+    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
+    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
+    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
+    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
+    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
+    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
+    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
+    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
+
+    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
+    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
+    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
+    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
+    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
+    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
+    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
+    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
+    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
+    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
+    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
+    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
+    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
+    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
+    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
+    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
+
+    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
+    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
+    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
+    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
+    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
+    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
+    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
+    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
+    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
+    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
+    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
+    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
+    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
+    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
+    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
+    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
+
+    a = safe_add(a, olda);
+    b = safe_add(b, oldb);
+    c = safe_add(c, oldc);
+    d = safe_add(d, oldd);
+  }
+  return Array(a, b, c, d);
+
+}
+
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+function md5_cmn(q, a, b, x, s, t)
+{
+  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
+}
+function md5_ff(a, b, c, d, x, s, t)
+{
+  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
+}
+function md5_gg(a, b, c, d, x, s, t)
+{
+  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
+}
+function md5_hh(a, b, c, d, x, s, t)
+{
+  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
+}
+function md5_ii(a, b, c, d, x, s, t)
+{
+  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
+}
+
+/*
+ * Calculate the HMAC-MD5, of a key and some data
+ */
+function core_hmac_md5(key, data)
+{
+  var bkey = str2binl(key);
+  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
+
+  var ipad = Array(16), opad = Array(16);
+  for(var i = 0; i < 16; i++)
+  {
+    ipad[i] = bkey[i] ^ 0x36363636;
+    opad[i] = bkey[i] ^ 0x5C5C5C5C;
+  }
+
+  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
+  return core_md5(opad.concat(hash), 512 + 128);
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add(x, y)
+{
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol(num, cnt)
+{
+  return (num << cnt) | (num >>> (32 - cnt));
+}
+
+/*
+ * Convert a string to an array of little-endian words
+ * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
+ */
+function str2binl(str)
+{
+  var bin = Array();
+  var mask = (1 << chrsz) - 1;
+  for(var i = 0; i < str.length * chrsz; i += chrsz)
+    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
+  return bin;
+}
+
+/*
+ * Convert an array of little-endian words to a string
+ */
+function binl2str(bin)
+{
+  var str = "";
+  var mask = (1 << chrsz) - 1;
+  for(var i = 0; i < bin.length * 32; i += chrsz)
+    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
+  return str;
+}
+
+/*
+ * Convert an array of little-endian words to a hex string.
+ */
+function binl2hex(binarray)
+{
+  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
+  var str = "";
+  for(var i = 0; i < binarray.length * 4; i++)
+  {
+    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
+           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
+  }
+  return str;
+}
+
+/*
+ * Convert an array of little-endian words to a base-64 string
+ */
+function binl2b64(binarray)
+{
+  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  var str = "";
+  for(var i = 0; i < binarray.length * 4; i += 3)
+  {
+    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
+                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
+                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
+    for(var j = 0; j < 4; j++)
+    {
+      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
+      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
+    }
+  }
+  return str;
+}