Rework verify code from unlogged action

src/dev/peerat/backend/Main.java

@@ -51,6 +51,7 @@ import dev.peerat.backend.routes.users.ProfileSettings;
 import dev.peerat.backend.routes.users.Register;
 import dev.peerat.backend.utils.Mail;
 import dev.peerat.framework.Context;
+import dev.peerat.framework.DependencyInjector;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
 import dev.peerat.framework.Locker;
@@ -177,44 +178,18 @@ public class Main{
 	}
 
 	private static void initRoutes(Router<PeerAtUser> router, DatabaseRepository repo, Configuration config) throws Exception{
-		Map<String, Integer> playersWaiting = new HashMap<>();
-		Mail mail = config.getMail();
-		Locker<Group> groupLock = new Locker<>();
-		Locker<Completion> leaderboard = new Locker<>();
-		
-		if(config.isProduction())
-			router.
-				register(new Register(repo, playersWaiting, mail)).
-				register(new MailConfirmation(repo, router, config.getUsersFiles(), config.getGitToken(), playersWaiting, mail));
-		
-		router.
-			register(new Login(repo, router)).
-			register(new ProfileSettings(repo)).
-			register(new ChangePassword(repo)).
-//			register(new ForgotPassword(router, repo, mail)).
-		
-			register(new DynamicLogs(router.getLogger(), repo)).
-			register(new ExceptionLogs(router.getExceptionLogger())).
-			
-			register(new WebHookLeaderboard(leaderboard)).
-		
-			register(new ChapterElement(repo)).
-			register(new ChapterList(repo)).
-			register(new PuzzleElement(repo)).
-			register(new Result(repo)).
-			register(new Leaderboard(repo)).
-			register(new PlayerDetails(repo)).
-			register(new BadgeDetails(repo)).
-		
-			register(new DynamicLeaderboard(repo, leaderboard)).
-			register(new PuzzleResponse(repo, config.getUsersFiles(), leaderboard)).
-		
-			register(new GroupCreate(repo, groupLock, config.getGroupJoinMinutes())).
-			register(new GroupList(repo)).
-			register(new GroupJoin(repo, config.getGroupJoinMinutes(), config.getGroupQuitMinutes(), leaderboard)).
-			register(new GroupQuit(repo, config.getGroupJoinMinutes(), leaderboard))
-			
-			.register(new Swagger(new RouteExtracter(router),config.getTokenIssuer()));
+		router.registerPackages(new DependencyInjector()
+				.of(repo, router, config.getMail(), new RouteExtracter(router))
+				.of("waitting", new HashMap<>())
+				.of("leaderboard", new Locker<>())
+				.of("log", router.getLogger())
+				.of("exception", router.getExceptionLogger())
+				.of("groups", new Locker<>())
+				.of("groupDelay", config.getGroupJoinMinutes())
+				.of("waitTime", config.getGroupQuitMinutes())
+				.of("usersFiles", config.getUsersFiles())
+				.of("gitToken", config.getGitToken())
+				.of("issuer", config.getTokenIssuer()));
 		
 //		Bot bot = new Bot(config, repo, groupLock);
 //		bot.start();

src/dev/peerat/backend/repository/DatabaseRepository.java

@@ -8,7 +8,9 @@ import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
@@ -32,6 +34,56 @@ public class DatabaseRepository {
 	public DatabaseRepository(Configuration config) {
 		this.config = config;
 	}
+	
+	public void hotfix() throws Exception{
+		ensureConnection();
+		
+		PreparedStatement stmt = con.prepareStatement("SELECT c.*, g.* FROM completions c JOIN puzzles p ON c.fk_puzzle = p.id_puzzle JOIN containsGroups cg ON cg.fk_player = c.fk_player JOIN groups g ON g.id_group = cg.fk_group WHERE g.fk_chapter = 12 AND p.fk_chapter = 12;");
+		ResultSet results = stmt.executeQuery();
+		List<Completionz> list = new ArrayList<>();
+		while(results.next()){
+			Completionz complete = new Completionz(results);
+			list.add(complete);
+		}
+		Map<Integer, Map<Integer, Completionz>> map = new HashMap<>();
+		for(Completionz comp : list){
+			Map<Integer,Completionz> puz = map.get(comp.puzzle);
+			if(puz == null){
+				puz = new HashMap<>();
+				map.put(comp.puzzle, puz);
+			}
+			Completionz c = puz.get(comp.groups);
+			if(c == null){
+				puz.put(comp.groups, comp);
+			}else{
+				if(comp.score >= c.score){
+					puz.put(comp.groups, comp);
+					System.out.println("remove compl "+c.id);
+				}
+			}
+		}
+	}
+	
+	private static class Completionz{
+		
+		public int id;
+		public int puzzle;
+		public int player;
+		public int tries;
+		public int score;
+		public int groups;
+		
+		public Completionz(ResultSet result) throws Exception{
+			id = result.getInt("id_completion");
+			puzzle = result.getInt("fk_puzzle");
+			player = result.getInt("fk_player");
+			tries = result.getInt("tries");
+			score = result.getInt("score");
+			groups = result.getInt("id_group");
+			System.out.println(id);
+		}
+		
+	}
 
 	private void ensureConnection() throws SQLException {
 		if (con == null || (!con.isValid(5))) {

src/dev/peerat/backend/routes/DynamicLeaderboard.java

@@ -8,6 +8,7 @@ import dev.peerat.backend.repository.DatabaseRepository;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Locker.Key;
 import dev.peerat.framework.Route;
@@ -16,7 +17,7 @@ public class DynamicLeaderboard extends Leaderboard{
 	
 	private Locker<Completion> locker;
 
-	public DynamicLeaderboard(DatabaseRepository databaseRepo, Locker<Completion> locker){
+	public DynamicLeaderboard(DatabaseRepository databaseRepo, @Injection("leaderboard") Locker<Completion> locker){
 		super(databaseRepo);
 		this.locker = locker;
 	}

src/dev/peerat/backend/routes/PlayerDetails.java

@@ -1,6 +1,5 @@
 package dev.peerat.backend.routes;
 
-import java.util.Base64;
 import java.util.regex.Matcher;
 
 import dev.peerat.backend.bonus.extract.RouteDoc;

src/dev/peerat/backend/routes/PuzzleResponse.java

@@ -22,6 +22,7 @@ import dev.peerat.backend.repository.DatabaseRepository;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
@@ -33,7 +34,7 @@ public class PuzzleResponse implements Response {
 	
 	private final Locker<Completion> leaderboard;
 	
-	public PuzzleResponse(DatabaseRepository databaseRepo, String initUsersFilesPath, Locker<Completion> locker){
+	public PuzzleResponse(DatabaseRepository databaseRepo, @Injection("usersFiles") String initUsersFilesPath, @Injection("leaderboard") Locker<Completion> locker){
 		this.databaseRepo = databaseRepo;
 		usersFilesPath = initUsersFilesPath;
 		this.leaderboard = locker;

src/dev/peerat/backend/routes/Swagger.java

@@ -6,6 +6,7 @@ import dev.peerat.backend.bonus.extract.RouteExtracter;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
 
@@ -13,7 +14,7 @@ public class Swagger implements Response{
 	
 	private String json;
 	
-	public Swagger(RouteExtracter extracter, String host){
+	public Swagger(RouteExtracter extracter, @Injection("issuer") String host){
 		try{
 			this.json = extracter.swagger(host).toString();
 		}catch(Exception e){

src/dev/peerat/backend/routes/admins/DynamicLogs.java

@@ -9,6 +9,7 @@ import dev.peerat.backend.repository.DatabaseRepository;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Locker.Key;
 import dev.peerat.framework.Response;
@@ -20,7 +21,7 @@ public class DynamicLogs implements Response{
 	private Locker<Context> locker; //Context
 	private DatabaseRepository repo;
 	
-	public DynamicLogs(Locker<Context> locker,  DatabaseRepository repo){
+	public DynamicLogs(@Injection("log") Locker<Context> locker,  DatabaseRepository repo){
 		this.locker = locker;
 		this.repo = repo;
 	}

src/dev/peerat/backend/routes/admins/ExceptionLogs.java

@@ -5,6 +5,7 @@ import java.util.regex.Matcher;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Locker.Key;
 import dev.peerat.framework.Response;
@@ -16,7 +17,7 @@ public class ExceptionLogs implements Response{
 	
 	private Locker<Exception> locker;
 	
-	public ExceptionLogs(Locker<Exception> locker){
+	public ExceptionLogs(@Injection("exception") Locker<Exception> locker){
 		this.locker = locker;
 	}
 	

src/dev/peerat/backend/routes/admins/WebHookLeaderboard.java

@@ -6,6 +6,7 @@ import dev.peerat.backend.model.Completion;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
@@ -14,7 +15,7 @@ public class WebHookLeaderboard implements Response{
 	
 	private Locker<Completion> locker;
 	
-	public WebHookLeaderboard(Locker<Completion> locker){
+	public WebHookLeaderboard(@Injection("leaderboard") Locker<Completion> locker){
 		this.locker = locker;
 	}
 	

src/dev/peerat/backend/routes/groups/GroupCreate.java

@@ -14,6 +14,7 @@ import dev.peerat.backend.utils.FormResponse;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
@@ -25,7 +26,7 @@ public class GroupCreate extends FormResponse {
 	private DatabaseRepository repo;
 	private int groupDelay;
 
-	public GroupCreate(DatabaseRepository repo, Locker<Group> locker, int groupDelay){
+	public GroupCreate(DatabaseRepository repo, @Injection("groups") Locker<Group> locker, @Injection("groupDelay") int groupDelay){
 		this.repo = repo;
 		this.locker = locker;
 		this.groupDelay = groupDelay;

src/dev/peerat/backend/routes/groups/GroupJoin.java

@@ -14,6 +14,7 @@ import dev.peerat.backend.repository.DatabaseRepository;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
@@ -26,7 +27,7 @@ public class GroupJoin implements Response{
 	
 	private final Locker<Completion> leaderboard;
 
-	public GroupJoin(DatabaseRepository repo, int groupDelay, String waitTime, Locker<Completion> locker){
+	public GroupJoin(DatabaseRepository repo, @Injection("groupDelay") int groupDelay, @Injection("waitTime") String waitTime, @Injection("leaderboard") Locker<Completion> locker){
 		this.repo = repo;
 		this.groupDelay = groupDelay;
 		this.waitTime = waitTime;

src/dev/peerat/backend/routes/groups/GroupQuit.java

@@ -14,6 +14,7 @@ import dev.peerat.backend.repository.DatabaseRepository;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Locker;
 import dev.peerat.framework.Response;
 import dev.peerat.framework.Route;
@@ -25,7 +26,7 @@ public class GroupQuit implements Response{
 	
 	private final Locker<Completion> leaderboard;
 
-	public GroupQuit(DatabaseRepository repo, int groupDelay, Locker<Completion> locker){
+	public GroupQuit(DatabaseRepository repo, @Injection("groupDelay") int groupDelay, @Injection("leaderboard") Locker<Completion> locker){
 		this.repo = repo;
 		this.groupDelay = groupDelay;
 		

src/dev/peerat/backend/routes/users/ForgotPassword.java

@@ -2,9 +2,14 @@ package dev.peerat.backend.routes.users;
 
 import static dev.peerat.framework.RequestType.POST;
 
+import java.lang.reflect.Constructor;
+import java.security.SecureRandom;
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.UUID;
 import java.util.regex.Matcher;
 
 import dev.peerat.backend.model.PeerAtUser;
@@ -23,13 +28,28 @@ public class ForgotPassword extends FormResponse{
 	private Router<PeerAtUser> router;
 	private DatabaseRepository repo;
 	private Mail mail;
-	private Map<String, Integer> codes;
+	private Map<String, String> codes;
+	private List<Random> randoms;
 	
 	public ForgotPassword(Router<PeerAtUser> router, DatabaseRepository repo, Mail mail){
 		this.router = router;
 		this.repo = repo;
 		this.mail = mail;
 		this.codes = new HashMap<>();
+		
+		this.randoms = new ArrayList<>();
+		
+		Random random = new Random();
+		int randoms = random.nextInt(10)+3;
+		for(int i = 0; i < randoms; i++) this.randoms.add(new SecureRandom());
+		
+		try {
+			Constructor<?> constructor = UUID.class.getDeclaredConstructor(byte[].class);
+			constructor.setAccessible(true);
+			this.uuidBuilder = constructor;
+		} catch (Exception e){
+			e.printStackTrace();
+		}
 	}
 
 	@Route(path = "^/user/fpw$", type = POST)
@@ -54,16 +74,16 @@ public class ForgotPassword extends FormResponse{
 		}
 		
 		if(hasFields("code") && areValids("password")){
-			Integer checkCode = codes.get(email);
+			String checkCode = codes.get(email);
 			if(checkCode == null){
 				context.response(400);
 				return;
 			}
 			
-			int code = json.<Number>get("code").intValue();
+			String code = json.<String>get("code");
 			String password = json.get("password");
 			
-			if(code == checkCode.intValue()){
+			if(checkCode.equals(code)){
 				codes.remove(email);
 				
 				repo.updatePassword(player, password);
@@ -74,18 +94,25 @@ public class ForgotPassword extends FormResponse{
 				context.response(400);
 			}
 		}else{
-			int code = codeGenerator();
+			String code = codeGenerator();
 			codes.put(email, code);
 			mail.send(email, "Forgot your Peer @ Code password ?", "Your check code is "+code+" !");
 			context.response(200);
 		}
 	}
 	
-	private int codeGenerator(){
-		int min = 1000;
-		int max = 9999;
-		return new Random().nextInt((max-min)) + min;
-
+	private Constructor<?> uuidBuilder;
+	
+	private String codeGenerator() throws Exception{
+		Random random = new Random();
+		Random target = this.randoms.get(random.nextInt(this.randoms.size()));
+		byte[] arrayOfByte = new byte[16];
+		target.nextBytes(arrayOfByte);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] & 0xF);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] | 0x40);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] & 0x3F);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] | 0x80);
+	    return uuidBuilder.newInstance(arrayOfByte).toString();
 	}
 
 }

src/dev/peerat/backend/routes/users/MailConfirmation.java

@@ -5,6 +5,7 @@ import static dev.peerat.framework.RequestType.POST;
 import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
+import java.lang.reflect.Constructor;
 import java.net.URL;
 import java.nio.ByteBuffer;
 import java.nio.file.Files;
@@ -12,11 +13,15 @@ import java.nio.file.Paths;
 import java.security.KeyPair;
 import java.security.KeyPairGenerator;
 import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
 import java.security.interfaces.RSAPublicKey;
+import java.util.ArrayList;
 import java.util.Base64;
 import java.util.Base64.Encoder;
+import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.UUID;
 import java.util.regex.Matcher;
 
 import javax.net.ssl.HttpsURLConnection;
@@ -32,11 +37,12 @@ import dev.peerat.backend.utils.Mail;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Route;
 import dev.peerat.framework.Router;
 import dev.peerat.framework.utils.json.JsonMap;
 
-public class MailConfirmation extends FormResponse {
+public class MailConfirmation extends FormResponse{
 
 	private DatabaseRepository databaseRepo;
 	private Router<PeerAtUser> router;
@@ -44,15 +50,16 @@ public class MailConfirmation extends FormResponse {
 	private KeyPairGenerator generator;
 	private Encoder encoder;
 	private String gitToken;
-	private Map<String, Integer> playersWaiting;
+	private Map<String, String> playersWaiting;
 	private Mail mail;
-
+	private List<Random> randoms;
+	
 	public MailConfirmation(
 			DatabaseRepository databaseRepo,
 			Router<PeerAtUser> router,
-			String initUsersFilesPath,
-			String gitToken,
-			Map<String, Integer> playersWaiting,
+			@Injection("usersFiles") String initUsersFilesPath,
+			@Injection("gitToken") String gitToken,
+			@Injection("waitting") Map<String, String> playersWaiting,
 			Mail mail) throws NoSuchAlgorithmException{
 		
 		this.databaseRepo = databaseRepo;
@@ -66,6 +73,20 @@ public class MailConfirmation extends FormResponse {
 		generator.initialize(4096);
 		encoder = Base64.getEncoder();
 		
+		this.randoms = new ArrayList<>();
+		
+		Random random = new Random();
+		int randoms = random.nextInt(10)+3;
+		for(int i = 0; i < randoms; i++) this.randoms.add(new SecureRandom());
+		
+		try {
+			Constructor<?> constructor = UUID.class.getDeclaredConstructor(byte[].class);
+			constructor.setAccessible(true);
+			this.uuidBuilder = constructor;
+		} catch (Exception e){
+			e.printStackTrace();
+		}
+		
 		validator("pseudo", "[a-zA-Z0-9&|!?{}\\[\\]%/*\\-+=:;,_#@ ]{3,100}");
 		validator("firstname", "^(?>[a-zA-Z]+ ?)+$");
 		validator("lastname", "^(?>[a-zA-Z]+ ?)+$");
@@ -87,13 +108,13 @@ public class MailConfirmation extends FormResponse {
 			return;
 		}
 		String email = json.get("email");
-		int code = json.<Number>get("code").intValue();
+		String code = json.<String>get("code");
 		String pseudo = json.get("pseudo");
 		String firstname = json.get("firstname");
 		String lastname = json.get("lastname");
 		String password = json.get("passwd");
 		
-		Integer checkCode = playersWaiting.get(email);
+		String checkCode = playersWaiting.get(email);
 		if(checkCode == null){
 			context.response(400);
 			return;
@@ -102,7 +123,7 @@ public class MailConfirmation extends FormResponse {
 		boolean pseudoAvailable = databaseRepo.checkPseudoAvailability(pseudo);
 		boolean emailAvailable = databaseRepo.checkEmailAvailability(email);
 		if(pseudoAvailable && emailAvailable){
-			if(code == checkCode.intValue()){
+			if(code.equals(checkCode)){
 				playersWaiting.remove(email);
 				int id = databaseRepo.register(pseudo, email, password, firstname, lastname, "", "", "");
 				if(id >= 0){
@@ -117,7 +138,7 @@ public class MailConfirmation extends FormResponse {
 					error.set("username_valid", pseudo);
 					error.set("email_valid", email);
 					writer.write(error.toString());
-					int ncode = codeGenerator();
+					String ncode = codeGenerator()+codeGenerator();
 					playersWaiting.put(email, ncode);
 					mail.send(email, "Welcome @ Peer @ Code", "Your check code is "+ncode+" !");
 				}
@@ -133,13 +154,20 @@ public class MailConfirmation extends FormResponse {
 		}
 	}
 	
-	private int codeGenerator(){
-		int min = 1000;
-		int max = 9999;
-		return new Random().nextInt((max-min)) + min;
-
+	private Constructor<?> uuidBuilder;
+	
+	private String codeGenerator() throws Exception{
+		Random random = new Random();
+		Random target = this.randoms.get(random.nextInt(this.randoms.size()));
+		byte[] arrayOfByte = new byte[16];
+		target.nextBytes(arrayOfByte);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] & 0xF);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] | 0x40);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] & 0x3F);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] | 0x80);
+	    return uuidBuilder.newInstance(arrayOfByte).toString();
 	}
-
+	
 	private void createFolderToSaveSourceCode(String pseudo) throws IOException {
 
 		Files.createDirectories(Paths.get(String.format("%s/%s", usersFilesPath, pseudo)));

src/dev/peerat/backend/routes/users/Register.java

@@ -2,8 +2,13 @@ package dev.peerat.backend.routes.users;
 
 import static dev.peerat.framework.RequestType.POST;
 
+import java.lang.reflect.Constructor;
+import java.security.SecureRandom;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 import java.util.Random;
+import java.util.UUID;
 import java.util.regex.Matcher;
 
 import dev.peerat.backend.bonus.extract.RouteDoc;
@@ -13,19 +18,36 @@ import dev.peerat.backend.utils.Mail;
 import dev.peerat.framework.Context;
 import dev.peerat.framework.HttpReader;
 import dev.peerat.framework.HttpWriter;
+import dev.peerat.framework.Injection;
 import dev.peerat.framework.Route;
 import dev.peerat.framework.utils.json.JsonMap;
 
-public class Register extends FormResponse {
+public class Register extends FormResponse{
 
 	private DatabaseRepository databaseRepo;
-	private Map<String, Integer> playersWaiting;
+	private Map<String, String> playersWaiting;
 	private Mail mail;
+	private String host;
+	private List<Random> randoms;
 
-	public Register(DatabaseRepository databaseRepo, Map<String, Integer> playersWaiting, Mail mail){
+	public Register(DatabaseRepository databaseRepo, @Injection("waitting") Map<String, String> playersWaiting, Mail mail, @Injection("issuer") String host){
 		this.databaseRepo = databaseRepo;
 		this.playersWaiting = playersWaiting;
 		this.mail = mail;
+		this.host = host;
+		this.randoms = new ArrayList<>();
+		
+		Random random = new Random();
+		int randoms = random.nextInt(10)+3;
+		for(int i = 0; i < randoms; i++) this.randoms.add(new SecureRandom());
+		
+		try {
+			Constructor<?> constructor = UUID.class.getDeclaredConstructor(byte[].class);
+			constructor.setAccessible(true);
+			this.uuidBuilder = constructor;
+		} catch (Exception e){
+			e.printStackTrace();
+		}
 	}
 	
 	@RouteDoc(path = "/register", responseCode = 200, responseDescription = "L'utilisateur est inscrit")
@@ -48,9 +70,9 @@ public class Register extends FormResponse {
 
 		boolean emailAvailable = databaseRepo.checkEmailAvailability(email);
 		if(emailAvailable){
-			int code = codeGenerator();
+			String code = codeGenerator()+codeGenerator();
 			playersWaiting.put(email, code);
-			mail.send(email, "Welcome @ Peer @ Code", "Your check code is "+code+" !");
+			mail.send(email, "Welcome @ Peer @ Code", "Please, confirm your code on "+host+"/?code="+code+" !");
 			context.response(200);
 		}else{
 			context.response(400);
@@ -60,11 +82,18 @@ public class Register extends FormResponse {
 		}
 	}
 	
-	private int codeGenerator(){
-		int min = 1000;
-		int max = 9999;
-		return new Random().nextInt((max-min)) + min;
-
+	private Constructor<?> uuidBuilder;
+	
+	private String codeGenerator() throws Exception{
+		Random random = new Random();
+		Random target = this.randoms.get(random.nextInt(this.randoms.size()));
+		byte[] arrayOfByte = new byte[16];
+		target.nextBytes(arrayOfByte);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] & 0xF);
+	    arrayOfByte[6] = (byte)(arrayOfByte[6] | 0x40);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] & 0x3F);
+	    arrayOfByte[8] = (byte)(arrayOfByte[8] | 0x80);
+	    return uuidBuilder.newInstance(arrayOfByte).toString();
 	}
 	
 }