implemented authentication

src/main/java/sarsoo/fmframework/fm/FmAuthNetwork.java

@@ -1,9 +1,250 @@
 package sarsoo.fmframework.fm;
 
+import java.io.UnsupportedEncodingException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.TreeMap;
+
+import org.json.JSONObject;
+
+import com.mashape.unirest.http.HttpResponse;
+import com.mashape.unirest.http.JsonNode;
+import com.mashape.unirest.http.Unirest;
+import com.mashape.unirest.http.exceptions.UnirestException;
+import com.mashape.unirest.request.HttpRequest;
+import com.mashape.unirest.request.HttpRequestWithBody;
+
+import sarsoo.fmframework.log.Logger;
+import sarsoo.fmframework.log.entry.ErrorEntry;
+import sarsoo.fmframework.music.Scrobble;
+
 public class FmAuthNetwork extends FmUserNetwork {
 
-	public FmAuthNetwork(String key, String userName) {
+	protected String secretKey;
+
+	public FmAuthNetwork(String key, String secretKey, String userName) {
 		super(key, userName);
+		this.secretKey = secretKey;
+	}
+	
+	public void scrobble(Scrobble scrobble, String sk) {
+		
+		HashMap<String, String> params = new HashMap<String, String>();
+		
+		params.put("artist", scrobble.getTrack().getArtist().getName());
+		params.put("track", scrobble.getTrack().getName());
+		params.put("timestamp", Long.toString(scrobble.getUTS()));
+		params.put("sk", sk);
+	
+		if(scrobble.getAlbum() != null) {
+			params.put("album", scrobble.getAlbum().getName());
+			params.put("albumArtist", scrobble.getAlbum().getArtist().getName());
+		}
+		
+		JSONObject obj = makeAuthPostRequest("track.scrobble", params);
+		
+		System.out.println(obj.toString());
+		
+	}
+
+	public String getToken() {
+		JSONObject obj = makeAuthGetRequest("auth.gettoken");
+
+		return obj.getString("token");
+	}
+
+	public String getSession(String token) {
+
+		HashMap<String, String> params = new HashMap<String, String>();
+		params.put("token", token);
+
+		JSONObject obj = makeAuthPostRequest("auth.getSession", params);
+		
+		return obj.getJSONObject("session").getString("key");
+	}
+
+	public String getApiSignature(HashMap<String, String> parameters) {
+
+		TreeMap<String, String> sorted = new TreeMap<>(parameters);
+
+		String apiSig = new String();
+
+		for (Entry<String, String> i : sorted.entrySet()) {
+			if (!i.getKey().equals("format") && !i.getKey().equals("callback")) {
+				apiSig += i.getKey() + i.getValue();
+			}
+		}
+
+		apiSig += secretKey;
+
+		try {
+			byte[] sigBytes = apiSig.getBytes("UTF-8");
+			MessageDigest md = MessageDigest.getInstance("MD5");
+			byte[] digest = md.digest(sigBytes);
+
+			StringBuilder b = new StringBuilder(32);
+			
+			for(byte aByte : digest) {
+				String hex = Integer.toHexString((int) aByte & 0xFF);
+				if(hex.length() == 1) {
+					b.append('0');
+				}
+				b.append(hex);
+				
+			}
+			
+			return b.toString();
+
+		} catch (UnsupportedEncodingException e) {
+			Logger.getLog().logError(new ErrorEntry("make API signature").addArg("unsupported encoding"));
+		} 
+		catch (NoSuchAlgorithmException e) {
+			Logger.getLog().logError(new ErrorEntry("make API signature").addArg("can't get md5 instance"));
+		}
+
+		return null;
+	}
+
+	protected JSONObject makeAuthGetRequest(String method) {
+
+		return makeAuthGetRequest(method, new HashMap<String, String>(), null);
+
+	}
+
+	protected JSONObject makeAuthGetRequest(String method, HashMap<String, String> parameters) {
+
+		return makeAuthGetRequest(method, parameters, null);
+
+	}
+
+	protected JSONObject makeAuthGetRequest(String method, HashMap<String, String> parameters,
+			HashMap<String, String> headers) {
+
+		HttpRequest request;
+		try {
+			request = Unirest.get("https://ws.audioscrobbler.com/2.0/").header("Accept", "application/json")
+					.header("User-Agent", "fmframework");
+
+			parameters.put("method", method);
+			parameters.put("api_key", key);
+			parameters.put("format", "json");
+
+			parameters.put("api_sig", getApiSignature(parameters).toString());
+
+			if (headers != null) {
+				for (String key : headers.keySet()) {
+					request = request.header(key, headers.get(key));
+				}
+			}
+
+			if (parameters != null) {
+				for (String key : parameters.keySet()) {
+					request = request.queryString(key, parameters.get(key));
+				}
+			}
+
+			HttpResponse<JsonNode> response = request.asJson();
+
+			if (response.getStatus() == 200) {
+
+				return new JSONObject(response.getBody().toString());
+
+			} else {
+				JSONObject obj = new JSONObject(response.getBody().toString());
+				Logger.getLog().logError(new ErrorEntry("HTTP Get").setErrorCode(response.getStatus())
+						.addArg(Integer.toString(obj.getInt("error"))).addArg(obj.getString("message")));
+				return null;
+			}
+		} catch (UnirestException e) {
+			e.printStackTrace();
+		}
+
+		return null;
+	}
+
+	protected JSONObject makeAuthPostRequest(String method) {
+
+		return makeAuthPostRequest(method, new HashMap<String, String>(), null);
+
+	}
+
+	protected JSONObject makeAuthPostRequest(String method, HashMap<String, String> parameters) {
+
+		return makeAuthPostRequest(method, parameters, null);
+
+	}
+
+	protected JSONObject makeAuthPostRequest(String method, HashMap<String, String> parameters,
+			HashMap<String, String> headers) {
+
+		HttpRequestWithBody request;
+		try {
+			request = Unirest.post("https://ws.audioscrobbler.com/2.0/").header("Accept", "application/json")
+					.header("User-Agent", "fmframework");
+
+			parameters.put("method", method);
+			parameters.put("api_key", key);
+			parameters.put("format", "json");
+
+			String apiSig = getApiSignature(parameters).toString();
+			
+			parameters.put("api_sig", apiSig);
+
+			if (headers != null) {
+				for (String key : headers.keySet()) {
+					request = request.header(key, headers.get(key));
+				}
+			}
+
+			String body = new String();
+			if (parameters != null) {
+
+				body = getBodyString(parameters);
+
+				request.body(body);
+			}
+
+			HttpResponse<JsonNode> response = request.asJson();
+
+			if (response.getStatus() == 200) {
+
+				return new JSONObject(response.getBody().toString());
+
+			} else {
+				JSONObject obj = new JSONObject(response.getBody().toString());
+				Logger.getLog().logError(new ErrorEntry("HTTP post").setErrorCode(response.getStatus())
+						.addArg(Integer.toString(obj.getInt("error"))).addArg(obj.getString("message")));
+				return null;
+			}
+		} catch (UnirestException e) {
+			e.printStackTrace();
+		}
+
+		return null;
+	}
+
+	public String getBodyString(Map<String, String> params) {
+
+		String body = new String();
+		
+		TreeMap<String, String> sorted = new TreeMap<>(params);
+
+		for (Iterator<Entry<String, String>> it = sorted.entrySet().iterator(); it.hasNext();) {
+			Entry<String, String> entry = it.next();
+			
+			body += entry.getKey();
+			body += '=';
+			body += entry.getValue();
+			
+			if(it.hasNext()) {
+				body += '&';
+			}
+		}
+		return body;
 	}
 
 }

src/main/java/sarsoo/fmframework/fm/FmNetwork.java

@@ -377,7 +377,11 @@ public class FmNetwork {
 		HttpRequest request;
 		try {
 			request = Unirest.get("https://ws.audioscrobbler.com/2.0/").header("Accept", "application/json")
-					.header("User-Agent", "fmframework").queryString("method", method);
+					.header("User-Agent", "fmframework");
+			
+			parameters.put("method", method);
+			parameters.put("api_key", key);
+			parameters.put("format", "json");
 
 			if (headers != null) {
 				for (String key : headers.keySet()) {
@@ -391,8 +395,6 @@ public class FmNetwork {
 				}
 			}
 
-			request = request.queryString("api_key", key).queryString("format", "json");
-
 			HttpResponse<JsonNode> response = request.asJson();
 
 			if (response.getStatus() == 200) {

src/main/java/sarsoo/fmframework/music/Scrobble.java

@@ -7,11 +7,13 @@ import java.time.ZoneId;
 public class Scrobble {
 	
 	private LocalDateTime dateTime;
+	private long uts;
 	private Track track;
 	private Album album;
 	
 	public Scrobble(long uts, Track track) {
 		this.track = track;	
+		this.uts = uts;
 		this.dateTime = LocalDateTime.ofInstant(Instant.ofEpochSecond(uts), ZoneId.systemDefault());
 	}
 	
@@ -25,6 +27,10 @@ public class Scrobble {
 		return dateTime;
 	}
 	
+	public long getUTS() {
+		return uts;
+	}
+	
 	public Track getTrack() {
 		return track;
 	}

src/test/java/sarsoo/fmframework/fm/FmAuthNetworkTest.java

@@ -0,0 +1,47 @@
+package sarsoo.fmframework.fm;
+
+import static org.junit.Assert.*;
+
+import java.util.HashMap;
+import java.util.Scanner;
+
+import org.junit.Test;
+
+import sarsoo.fmframework.music.Scrobble;
+import sarsoo.fmframework.music.Track.TrackBuilder;
+import sarsoo.fmframework.music.Artist.ArtistBuilder;
+import sarsoo.fmframework.net.Key;
+
+public class FmAuthNetworkTest {
+
+	@Test
+	public void test() {
+		
+		FmAuthNetwork net = new FmAuthNetwork(Key.getKey(), Key.getSecret(), "sarsoo");
+		
+//		HashMap<String, String> hash = new HashMap<>();
+//		
+//		hash.put("zoo", "ash");
+//		hash.put("boo", "ash");
+//		hash.put("ash", "boo");
+//		
+//		net.getApiSignature(hash);
+		
+		String token = net.getToken();
+		
+		System.out.println(token);
+		
+//		new Scanner(System.in).nextLine();
+		
+		String key = net.getSession(token);
+		
+		System.out.println(key);
+		
+		Scrobble scrobble = new Scrobble(1557750712, new TrackBuilder("i", new ArtistBuilder("kendrick lamar").build()).build());
+		
+		net.scrobble(scrobble, key);
+		
+		assertTrue(true);
+	}
+
+}