Merge branch 'dev'

.idea/jarRepositories.xml

@@ -16,5 +16,10 @@
       <option name="name" value="MavenRepo" />
       <option name="url" value="https://repo.maven.apache.org/maven2/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
   </component>
 </project>

README.md

@@ -0,0 +1,15 @@
+# FileFrontEnd
+
+## Configuration
+
+### Technologies utilisées
+
+* Java 11 (ressources informatiques)
+* Gradle 7.1
+
+### Projet
+
+* src > main > resources > appdata.json -> Fichier de configuration à modifier
+* storagePath : indiquer le dossier où les fichiers temporaires du FFE seront stockés
+* network_interface : indiquer l'interface réseau à utiliser. Si elle n'est pas bonne, le programme demande laquelle utiliser au démarrage
+

app/build.gradle

@@ -24,6 +24,8 @@ dependencies {
     implementation 'com.google.guava:guava:30.1-jre'
     // Use gson to serialize/deserialize json files
     implementation 'com.google.code.gson:gson:2.9.0'
+    // https://mvnrepository.com/artifact/org.mindrot/jbcrypt
+    implementation group: 'org.mindrot', name: 'jbcrypt', version: '0.4'
 }
 
 application {
@@ -35,3 +37,8 @@ tasks.named('test') {
     // Use JUnit Platform for unit tests.
     useJUnitPlatform()
 }
+
+
+run {
+    standardInput = System.in
+}

app/src/main/java/lightcontainer/App.java

@@ -3,6 +3,7 @@
  */
 package lightcontainer;
 
+import lightcontainer.domains.FFETimer;
 import lightcontainer.domains.server.MulticastServerListener;
 import lightcontainer.domains.server.UnicastServerListener;
 import lightcontainer.interfaces.ProtocolRepository;
@@ -16,14 +17,11 @@ import lightcontainer.storage.AppData;
 import lightcontainer.storage.JsonAdapter;
 import lightcontainer.storage.Repository;
 
-import java.net.URL;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Timer;
 
 public class App {
 
-
     public static void main(String[] args) {
         setupVM();
         Repository repositoryStorage = prepareStorage();
@@ -31,7 +29,28 @@ public class App {
         // Create all repository
         ClientHandlerRepository clientRep = new ClientHandlerRepository();
         StoreProcessorRepository storeRep = new StoreProcessorRepository();
+
+        // Initialisation des protocoles
         ProtocolRepository protocolRep = new ProtocolRepositoryImpl();
+        initProtocols(repositoryStorage, protocolRep);
+
+        // Initialisation du dispatcher et des servers
+        FileFrontEnd ffe = new FileFrontEnd(clientRep, storeRep, protocolRep);
+        new UnicastServerListener(ffe, clientRep, protocolRep, repositoryStorage, repositoryStorage.getUnicastPort());
+        new MulticastServerListener(ffe, storeRep, protocolRep, repositoryStorage.getMulticastIp(), repositoryStorage.getMulticastPort(), repositoryStorage.getNetworkInterface());
+
+        // S'occupe de distribué les timeout pour les SBE plus connecté et donc de Timeout les clients
+        Timer ffeTimer = new Timer();
+        ffeTimer.schedule(new FFETimer(storeRep), 50000, 50000);
+
+    }
+
+    private static void initProtocols(Repository repositoryStorage, ProtocolRepository protocolRep) {
+        initReadersProtocols(repositoryStorage, protocolRep);
+        initWritersProtocols(repositoryStorage, protocolRep);
+    }
+
+    private static void initReadersProtocols(Repository repositoryStorage, ProtocolRepository protocolRep) {
         protocolRep.addReader(new HelloRule());
         protocolRep.addReader(new SigninRule(protocolRep));
         protocolRep.addReader(new SignupRule(protocolRep));
@@ -39,24 +58,28 @@ public class App {
         protocolRep.addReader(new FilelistRule(protocolRep));
         protocolRep.addReader(new SavefileRule(protocolRep, repositoryStorage.getStoragePath()));
         protocolRep.addReader(new SendOkRule(protocolRep));
+        protocolRep.addReader(new SendErrorRule(protocolRep));
+        protocolRep.addReader(new GetFileRule(protocolRep));
+        protocolRep.addReader(new EraseErrorRule(protocolRep));
+        protocolRep.addReader(new EraseOkRule(protocolRep));
+        protocolRep.addReader(new RemoveFileRule(protocolRep));
+        protocolRep.addReader(new RetrieveErrorRule(protocolRep));
+        protocolRep.addReader(new RetrieveOkRule(protocolRep, repositoryStorage.getStoragePath()));
+    }
 
+    private static void initWritersProtocols(Repository repositoryStorage, ProtocolRepository protocolRep) {
         protocolRep.addWriter(new SignOkRule());
         protocolRep.addWriter(new SignErrorRule());
         protocolRep.addWriter(new FilesRule());
-        protocolRep.addWriter(new SaveFileOkRule());
+        protocolRep.addWriter(new SaveFileOkRule(repositoryStorage.getStoragePath()));
-        protocolRep.addWriter(new SaveFileErrorRule());
+        protocolRep.addWriter(new SaveFileErrorRule(repositoryStorage.getStoragePath()));
         protocolRep.addWriter(new SendfileRule(repositoryStorage.getStoragePath()));
-
+        protocolRep.addWriter(new GetFileErrorRule(repositoryStorage.getStoragePath()));
-        FileFrontEnd ffe = new FileFrontEnd(clientRep, storeRep, protocolRep);
+        protocolRep.addWriter(new EraseFileRule());
-        new UnicastServerListener(ffe, clientRep, protocolRep, repositoryStorage, repositoryStorage.getUnicastPort());
+        protocolRep.addWriter(new RemoveFileErrorRule());
-        new MulticastServerListener(ffe, storeRep, protocolRep, repositoryStorage.getMulticastIp(), repositoryStorage.getMulticastPort());
+        protocolRep.addWriter(new RemoveFileOkRule());
-
+        protocolRep.addWriter(new GetFileOkRule(repositoryStorage.getStoragePath()));
-        // close repo et client et server.
+        protocolRep.addWriter(new RetrieveFileRule());
-
-        // Thread.sleep(60000);
-
-        // clientRep.close();
-        // storeRep.close();
     }
 
     private static Repository prepareStorage() {
@@ -71,9 +94,9 @@ public class App {
     }
 
     private static void setupVM() {
-        System.setProperty("javax.net.ssl.keyStore","../ffe.labo.swilabus.com.p12");
+        System.setProperty("javax.net.ssl.keyStore", "../ffe.labo.swilabus.com.p12");
-        System.setProperty("javax.net.ssl.keyStorePassword","labo2022");
+        System.setProperty("javax.net.ssl.keyStorePassword", "labo2022");
-        System.setProperty("https.protocols","TLSv1.3");
+        System.setProperty("https.protocols", "TLSv1.3");
     }
 
 }

app/src/main/java/lightcontainer/domains/FFETimer.java

@@ -0,0 +1,31 @@
+package lightcontainer.domains;
+
+import lightcontainer.interfaces.MulticastSPR;
+
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
+import java.util.TimerTask;
+
+/**
+ * Class s'occupant de gérer les timeout des différents SBE
+ */
+public class FFETimer extends TimerTask {
+
+    private final MulticastSPR processorRepository;
+
+    public FFETimer(MulticastSPR processorRepository) {
+        this.processorRepository = processorRepository;
+    }
+
+    @Override
+    public void run() {
+        for (String domain : processorRepository.getDomains()) {
+            LocalDateTime lastAnnounce = processorRepository.getLastAnnounce(domain);
+            long secondBetween = Math.abs(ChronoUnit.SECONDS.between(lastAnnounce, LocalDateTime.now()));
+
+            if (secondBetween > 50) {
+                processorRepository.closeStore(domain);
+            }
+        }
+    }
+}

app/src/main/java/lightcontainer/domains/Task.java

@@ -10,33 +10,35 @@ import lightcontainer.protocol.ProtocolWriter;
 public class Task {
     // Variables
     private TaskStatus status;
-    private ProtocolWriter.ProtocolResult command;
+    private final ProtocolWriter.ProtocolResult command;
 
 
     /**
-     * Défini le context courrant dans laquelle la tâche opère
+     * Défini le context courant dans laquelle la tâche opère
      */
-    private Context context;
+    private final Context context;
 
-    public Task(Context context, TaskStatus status, ProtocolWriter.ProtocolResult command) {
+    public Task(Context context, TaskStatus status, ProtocolWriter.ProtocolResult command, String requestDomain) {
         this.context = context;
         this.status = status;
         this.command = command;
+        context.setDomain(requestDomain); // Domaine requis
     }
 
     /**
      * Permet de créer une instance de la class {@link Task}
+     *
      * @param context Context à utiliser pour cette tâche
      * @param command Commande à exécuter
      * @return L'instance de la tâche créée
      */
-    public static Task newInstance(Context context, ProtocolWriter.ProtocolResult command) {
+    public static Task newInstance(Context context, ProtocolWriter.ProtocolResult command, String requestDomain) {
-        Task task = new Task(context, TaskStatus.PENDING, command);
+        return new Task(context, TaskStatus.PENDING, command, requestDomain);
-        return task;
     }
 
     /**
      * Permet de savoir si la réponse est destinée au client
+     *
      * @param storeDomain Nom du store back end fournissant la réponse.
      * @return TRUE si le client doit recevoir cette réponse.
      */
@@ -46,6 +48,7 @@ public class Task {
 
     /**
      * Permet de récupérer le login du client associé à la tâche
+     *
      * @return Login du client
      */
     public String getClient() {
@@ -54,6 +57,7 @@ public class Task {
 
     /**
      * Permet de récupérer la commande à executer
+     *
      * @return Commande à exécuter
      */
     public ProtocolWriter.ProtocolResult getCommand() {
@@ -62,6 +66,7 @@ public class Task {
 
     /**
      * Permet de définir le StorBackEnd à utiliser pour cette tâche
+     *
      * @param storeDomain Le StorBackEnd à utiliser
      */
     public void setDomain(String storeDomain) {
@@ -77,4 +82,12 @@ public class Task {
     public Context getContext() {
         return this.context;
     }
+
+    /**
+     * Le domaine actuellement utilisé OU requis, null si aucune domaine requis/associé
+     * @return
+     */
+    public String getDomain() {
+        return context.getDomain();
+    }
 }

app/src/main/java/lightcontainer/domains/client/ClientHandler.java

@@ -1,6 +1,5 @@
 package lightcontainer.domains.client;
 
-import lightcontainer.domains.server.UnicastServerListener;
 import lightcontainer.interfaces.ClientHandlerFFE;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.interfaces.UnicastCHR;
@@ -10,153 +9,107 @@ import lightcontainer.protocol.rules.reader.SigninRule;
 import lightcontainer.protocol.rules.reader.SignoutRule;
 import lightcontainer.protocol.rules.reader.SignupRule;
 import lightcontainer.protocol.rules.writer.SignErrorRule;
-import lightcontainer.protocol.rules.writer.SignOkRule;
+import lightcontainer.utils.Log;
 
-import javax.crypto.BadPaddingException;
+import java.io.IOException;
-import javax.net.ssl.SSLHandshakeException;
-import java.io.*;
 import java.net.Socket;
-import java.nio.charset.StandardCharsets;
 
 /**
  * ClientHandler
- *
+ * <p>
  * <!> UNICAST CLIENT <!>
  * Class communicating with the client, and
  * intercepting and sending files to the client.
  *
- * @version     1.1
+ * @author Jérémi NIHART <j.nihart@student.helmo.be>
- * @since       1.0
+ * @version 1.1
- *
+ * @see Runnable
- * @see         Runnable
+ * @see AutoCloseable
- * @see         AutoCloseable
+ * @since 1.0
- * @author      Jérémi NIHART <j.nihart@student.helmo.be>
  */
-public class ClientHandler implements Runnable, AutoCloseable {
+public class ClientHandler extends UnicastThread implements AutoCloseable {
     // Variables
-    private ClientHandlerFFE fileFrontEnd;
+    private final ClientHandlerFFE fileFrontEnd;
-    private final Socket client;
+    private final ProtocolRepository protocolRep;
-    private ProtocolRepository protocolRep;
+    private final UnicastCHR repository;
-    private Context context;
-    private boolean client_run;
-    private UnicastCHR repository;
-
-
-    private BufferedReader reader;
-    private PrintWriter writer;
     private ProtocolWriter.ProtocolResult response;
 
     // Constructor
     public ClientHandler(UnicastCHR repository, Socket client, ClientHandlerFFE ffe, ProtocolRepository protocolRep, Context context) {
+        super(client, context);
         this.repository = repository;
         this.fileFrontEnd = ffe;
-        this.client = client;
         this.protocolRep = protocolRep;
-        this.context = context;
-        this.client_run = false;
-        initClient();
-    }
-
-    /**
-     * Initialise the Client's Reader and Writer.
-     *
-     * @since       1.0
-     *
-     * @see         BufferedReader
-     * @see         PrintWriter
-     */
-    private void initClient() {
-        // Start the thread
-        try {
-            this.reader = new BufferedReader(new InputStreamReader(
-                this.client.getInputStream(),
-                StandardCharsets.UTF_8
-            ));
-            this.writer = new PrintWriter(new OutputStreamWriter(
-                this.client.getOutputStream(),
-                StandardCharsets.UTF_8
-            ), true);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
     }
 
     /**
      * Thread Function
      * Start the dialogue with the client.
      *
-     * @since       1.0
+     * @since 1.0
      */
     @Override
     public void run() {
-        this.client_run = true;
+        // Set process to true
-        while (this.client_run) {
+        this.setRunning(true);
+        // Process while
+        while (this.isRunning()) {
             // Signifie le démarrage d'une nouvelle rquête
-            context.newBundle();
+            getContext().newBundle();
-
             try {
-                String command = this.reader.readLine();
+                String command = this.readLine();
                 if (command != null) {
-                    System.out.println("Client: " + command);
+                    Log.getInstance().infoln("Client: " + command);
                 } else {
-                    repository.disconnect(this);
+                    this.repository.disconnect(this);
                     break;
                 }
 
-                ProtocolReader.ProtocolResult ruleResult = protocolRep.executeReader(context, command + "\r\n");
+                ProtocolReader.ProtocolResult ruleResult = this.protocolRep.executeReader(getContext(), command + "\r\n");
                 if (ruleResult == null) {
-                    repository.disconnect(this);
+                    this.repository.disconnect(this);
                     break;
                 }
 
                 if (checkAccess(ruleResult)) {
-                    ruleResult.read(this.client.getInputStream());
+                    // Lecture du fichier client
-
+                    ruleResult.read(this.getInputStream());
                     ProtocolWriter.ProtocolResult writerCommand = ruleResult.getResultCommand();
-
+                    // TODO : Vérifier que le StorBackEnd demandé (Pas toujours demandé) est disponible
-                    if (ruleResult.getReceiver() == ProtocolReader.ResultCmdReceiver.STOREBACKEND) {
+                    if (ruleResult.getReceiver() == ProtocolReader.ResultCmdReceiver.STOREBACKEND && !fileFrontEnd.canExecuteCommand(ruleResult.getRequestDomain())) {
-                        fileFrontEnd.newCommand(context, writerCommand); // Envoie dans la file de tâche FileFrontEnd en attente d'un traitement d'un StorBackEnd
+                        this.print(ruleResult.onNotExecutable(getContext())); // Renvoie au client
-
+                    } else if (ruleResult.getReceiver() == ProtocolReader.ResultCmdReceiver.STOREBACKEND) {
+                        this.fileFrontEnd.newCommand(getContext(), writerCommand, ruleResult.getRequestDomain()); // Envoie dans la file de tâche FileFrontEnd en attente d'un traitement d'un StorBackEnd
                         // Attend la fin de la réalisation de la tâche
                         waitTaskResponse();
-
+                        if (this.response != null) {
-                        writer.write(response.getCommand()); // Renvoye au client
+                            this.write(this.response.getCommand()); // Renvoie au client
-                        writer.flush();
+                            this.response.write(this.getOutputStream()); // Ecrit au client si nécessaire
-                        response.write(this.client.getOutputStream()); // Ecrit au client si nécessaire
+                        } else {
+                            this.print(ruleResult.onNotExecutable(getContext())); // Renvoie au client
+                        }
                     } else {
-                        writer.print(writerCommand.getCommand()); // Renvoye au client
+                        this.print(writerCommand.getCommand()); // Renvoie au client
-                        writer.flush();
                     }
-
                 } else {
-                    System.out.println(4);
                     accessDenied();
                 }
-            } catch (IOException ignore) {
+            } catch (IOException e) {
-                ignore.printStackTrace();
+                this.close();
-                repository.disconnect(this);
-                break;
             }
         }
-
-        try {
-            this.reader.close();
-            this.writer.close();
-            this.client.close();
-            System.out.printf("[CLIENT] %s s'est déconnecté\n", context.getLogin());
-        } catch (IOException ignored) { }
     }
 
     /**
      * Permet de vérifier si le client possède l'accès demandé
+     *
      * @param ruleResult La règle
      * @return TRUE si le client possède l'accès demandé
      */
     private boolean checkAccess(ProtocolReader.ProtocolResult ruleResult) {
         checkSignout(ruleResult);
-        if (context.isConnected())
+        if (getContext().isConnected())
             return true;
-
         try {
             ruleResult
                     .getClass()
@@ -166,9 +119,8 @@ public class ClientHandler implements Runnable, AutoCloseable {
             try {
                 ruleResult.getClass().asSubclass(SigninRule.Result.class);
                 return true;
-            } catch (ClassCastException e2) { }
+            } catch (ClassCastException ignored) { }
         }
-
         return false;
     }
 
@@ -176,31 +128,20 @@ public class ClientHandler implements Runnable, AutoCloseable {
      * Lorsque l'accès à été refusé.
      */
     private void accessDenied() {
-        ProtocolWriter.ProtocolResult signErrorResult = protocolRep.executeWriter(context, SignErrorRule.NAME);
+        ProtocolWriter.ProtocolResult signErrorResult = this.protocolRep.executeWriter(getContext(), SignErrorRule.NAME);
-        writer.write(signErrorResult.getCommand()); // Envoie SignError car echec de la connection
+        this.write(signErrorResult.getCommand()); // Envoie SignError car echec de la connection
-        writer.flush();
     }
 
     /**
      * Vérifie s'il s'âgit d'une demande de déconnexion
+     *
      * @param ruleResult
      */
     private void checkSignout(ProtocolReader.ProtocolResult ruleResult) {
         try {
             ruleResult.getClass().asSubclass(SignoutRule.Result.class);
-            repository.disconnect(this);
+            this.repository.disconnect(this);
-        } catch (ClassCastException e2) { }
+        } catch (ClassCastException ignored) {}
-    }
-
-    /**
-     * Vérifie s'il s'âgit d'une demande de déconnexion
-     * @param ruleResult
-     */
-    private void checkSignError(ProtocolWriter.ProtocolResult ruleResult) {
-       if (ruleResult.getCommand().startsWith(SignErrorRule.NAME)) {
-            System.out.println("Pas pu connecter");
-            repository.disconnect(this);
-        }
     }
 
     /**
@@ -210,12 +151,15 @@ public class ClientHandler implements Runnable, AutoCloseable {
         synchronized (this) {
             try {
                 this.wait();
-            } catch (InterruptedException e) { e.printStackTrace(); }
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
         }
     }
 
     /**
      * Permet d'envoyer la réponse au client.
+     *
      * @param response La réponse
      */
     public void respond(ProtocolWriter.ProtocolResult response) {
@@ -229,16 +173,23 @@ public class ClientHandler implements Runnable, AutoCloseable {
      * AutoClosable Function
      * Close the Client thread and resources.
      *
-     * @since       1.0
+     * @since 1.0
      */
     @Override
     public void close() {
-        System.out.println("Call close");
+        if (this.isRunning()) {
-        this.client_run = false;
+            try {
+                super.close();
+                this.repository.disconnect(this);
+                Log.getInstance().infof("[CLIENT] %s s'est déconnecté\n", getContext().getLogin());
+            } catch (IOException e) {
+                Log.getInstance().infoln("[CH] Error while closing client.");
+            }
+        }
     }
 
     public String getLogin() {
-        return this.context.getLogin();
+        return this.getContext().getLogin();
     }
 
 }

app/src/main/java/lightcontainer/domains/client/Context.java

@@ -1,14 +1,13 @@
 package lightcontainer.domains.client;
 
-import lightcontainer.storage.AppData;
+import lightcontainer.repository.ReadOnlyClientRepository;
 import lightcontainer.storage.File;
+import lightcontainer.storage.ReadOnlyFile;
 import lightcontainer.storage.Repository;
-import lightcontainer.storage.User;
 import lightcontainer.utils.AES_GCM;
+import lightcontainer.utils.BCryptHasher;
 import lightcontainer.utils.ShaHasher;
 
-import java.security.NoSuchAlgorithmException;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
@@ -17,10 +16,10 @@ import java.util.Set;
  * Permet de récupérer les données à celui-ci et d'effectuer des actions sur le context courant.
  */
 public class Context {
-
+    // Variables
-    private Repository repository;
+    private final Repository repository;
-
     private RequestBundle requestBundle;
+    private ReadOnlyClientRepository clientRepository;
 
     /**
      * Login de l'utilisateur
@@ -33,8 +32,9 @@ public class Context {
     private String domain;
 
     // Constructeur
-    public Context(Repository repository) {
+    public Context(Repository repository, ReadOnlyClientRepository clientRepository) {
         this.repository = repository;
+        this.clientRepository = clientRepository;
     }
 
 
@@ -46,18 +46,18 @@ public class Context {
      * @return TRUE si l'utilisateur a pu être créé
      */
     public boolean createUser(String login, String password) {
+        if (clientRepository.hasClient(login)) { // Empêcher double connection
+            return false;
+        }
+
         try {
             String key = AES_GCM.generateSecretKey();
-
+            String hashedPassword = BCryptHasher.hashPassword(password);
-            ShaHasher hasher = new ShaHasher(password);
+            if (this.repository.addUser(login, hashedPassword, key)) {
-            password = hasher.nextHashing();
-            String passwordSalt = hasher.getSalt();
-
-            if (this.repository.addUser(login, password, key, passwordSalt)) {
                 this.login = login;
                 return true;
             }
-        } catch (AES_GCM.AesGcmException e) {
+        } catch (AES_GCM.AesGcmException ignored) {
         }
         return false;
     }
@@ -73,21 +73,21 @@ public class Context {
 
 
     /**
-     * Permet de demander la connection de l'utilisateur
+     * Permet de demander la connexion de l'utilisateur
      *
      * @param login    Login
      * @param password Mot de passe
      * @return TRUE si l'utilisateur a été authentifié
      */
     public boolean signIn(String login, String password) {
-        String passwordSalt = this.repository.getUserPasswordSalt(login);
+        if (login == null || password == null) {
-        if (passwordSalt != null) {
+            return false;
-            ShaHasher hasher = new ShaHasher(password);
+        }
 
-            if (this.repository.verifyUser(login, hasher.fromSalt(hasher.saltToByte(passwordSalt)))) {
+        // Empêcher double connection
-                this.login = login;
+        if (!clientRepository.hasClient(login) && this.repository.verifyUser(login, password)) {
-                return true;
+            this.login = login;
-            }
+            return true;
         }
         return false;
     }
@@ -119,7 +119,7 @@ public class Context {
     }
 
     /**
-     * Permet d'ajouter des données pour la requête courrante
+     * Permet d'ajouter des données pour la requête courante
      *
      * @param key   La clé permettant de retrouver la valeur
      * @param value La valeur associée à la clé
@@ -129,7 +129,7 @@ public class Context {
     }
 
     /**
-     * Permet d'ajouter des données pour la requête courrante
+     * Permet d'ajouter des données pour la requête courante
      *
      * @param key   La clé permettant de retrouver la valeur
      * @param value La valeur associée à la clé
@@ -139,7 +139,15 @@ public class Context {
     }
 
     /**
-     * Permet de récupérer des données pour la requête courrante
+     * @param key   La clé permettant de retrouver la valeur
+     * @param value La valeur associée à la clé
+     */
+    public void putDataLong(String key, long value) {
+        requestBundle.putLong(key, value);
+    }
+
+    /**
+     * Permet de récupérer des données pour la requête courante
      *
      * @param key La clé permettant de retrouver la valeur
      * @return La valeur associée à la clé ou null
@@ -149,7 +157,7 @@ public class Context {
     }
 
     /**
-     * Permet de récupérer des données pour la requête courrante
+     * Permet de récupérer des données pour la requête courante
      *
      * @param key La clé permettant de retrouver la valeur
      * @return La valeur associée à la clé
@@ -158,6 +166,14 @@ public class Context {
         return requestBundle.getInt(key);
     }
 
+    /**
+     * @param key La clé permettant de retrouver la valeur
+     * @return La valeur associée à la clé
+     */
+    public long getDataLong(String key) {
+        return requestBundle.getLong(key);
+    }
+
     /**
      * Permet d'ajouter un fichier à l'utilisateur
      *
@@ -168,10 +184,24 @@ public class Context {
      * @param domain       Domain dans lequel est stocké le fichier
      * @return TRUE si le fichier a pu être enregistré.
      */
-    public boolean addFile(String fileName, String fileNameSalt, int size, String iv, String domain) {
+    public boolean addFile(String fileName, String fileNameSalt, long size, String iv, String domain) {
         return this.repository.addFileFor(new File(fileName, fileNameSalt, size, iv, Set.of(domain)), getLogin());
     }
 
+    public String getHashedFileName(String fileName) {
+        ReadOnlyFile file = repository.getFileOf(fileName, login);
+        if (file != null) {
+            String completeFileName = login + "_" + fileName;
+            ShaHasher hasher = new ShaHasher(completeFileName);
+            return hasher.fromSalt(hasher.saltToByte(file.getFileNameSalt()));
+        }
+        return null;
+    }
+
+    public ReadOnlyFile getFile(String fileName) {
+        return this.repository.getFileOf(fileName, login);
+    }
+
     public List<String> getStringifiedFilesOf() {
         return repository.getStringifiedFilesOf(login);
     }
@@ -187,4 +217,8 @@ public class Context {
     public void setDomain(String domain) {
         this.domain = domain;
     }
+
+    public void deleteFile(String deletedFileName) {
+        repository.deleteFileOf(deletedFileName, login);
+    }
 }

app/src/main/java/lightcontainer/domains/client/RequestBundle.java

@@ -1,18 +1,20 @@
 package lightcontainer.domains.client;
 
-
 import java.util.HashMap;
 import java.util.Map;
 
 public class RequestBundle {
 
-    private Map<String, String> stringData = new HashMap<>();
+    private final Map<String, String> stringData = new HashMap<>();
 
-    private Map<String, Integer> intData = new HashMap<>();
+    private final Map<String, Integer> intData = new HashMap<>();
+
+    private final Map<String, Long> longData = new HashMap<>();
 
     /**
      * Permet d'ajouter des String
-     * @param key La clé permettant de retrouver la valeur
+     *
+     * @param key   La clé permettant de retrouver la valeur
      * @param value La valeur associée à la clé
      */
     public void putString(String key, String value) {
@@ -21,7 +23,8 @@ public class RequestBundle {
 
     /**
      * Permet d'ajouter des int
-     * @param key La clé permettant de retrouver la valeur
+     *
+     * @param key   La clé permettant de retrouver la valeur
      * @param value La valeur associée à la clé
      */
     public void putInt(String key, int value) {
@@ -30,6 +33,7 @@ public class RequestBundle {
 
     /**
      * Permet de récupérer des données string
+     *
      * @param key La clé permettant de retrouver la valeur
      * @return La valeur associée à la clé ou null
      */
@@ -39,10 +43,28 @@ public class RequestBundle {
 
     /**
      * Permet de récupérer des données int
+     *
      * @param key La clé permettant de retrouver la valeur
      * @return La valeur associée à la clé
      */
     public int getInt(String key) {
         return intData.get(key);
     }
+
+    /**
+     * @param key   La clé permettant de retrouver la valeur
+     * @param value La valeur associée à la clé
+     */
+    public void putLong(String key, long value) {
+        longData.put(key, value);
+    }
+
+    /**
+     *
+     * @param key La clé permettant de retrouver la valeur
+     * @return La valeur associée à la clé ou null
+     */
+    public long getLong(String key) {
+        return longData.get(key);
+    }
 }

app/src/main/java/lightcontainer/domains/client/StoreProcessor.java

@@ -1,75 +1,44 @@
 package lightcontainer.domains.client;
 
-import lightcontainer.domains.Task;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.interfaces.StoreProcessorFFE;
 import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.utils.Log;
 
-import java.io.*;
+import java.io.IOException;
 import java.net.Socket;
-import java.nio.charset.StandardCharsets;
+import java.time.LocalDateTime;
 import java.util.Objects;
 
 /**
  * StoreProcessor
- *
+ * <p>
  * <!> MULTICAST CLIENT <!>
  * Class communicating with the storebackend and
  * processing the tasks in the FileFrontEnd
  *
- * @version     1.1
+ * @author Jérémi NIHART <j.nihart@student.helmo.be>
- * @since       1.0
+ * @version 1.1
- *
+ * @see Runnable
- * @see         Runnable
+ * @see AutoCloseable
- * @see         AutoCloseable
+ * @since 1.0
- * @author      Jérémi NIHART <j.nihart@student.helmo.be>
  */
-public class StoreProcessor extends Thread implements AutoCloseable {
+public class StoreProcessor extends UnicastThread implements AutoCloseable {
     // Variables
     private final StoreProcessorFFE fileFrontEnd;
-    private final Socket store;
     private final String domain;
-    private boolean client_run;
+    private LocalDateTime lastAnnounce;
 
-    private BufferedReader reader;
-    private Context context;
-    private PrintWriter writer;
     private ProtocolWriter.ProtocolResult protocolResult;
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     // Constructor
     public StoreProcessor(Socket socket, String domain, StoreProcessorFFE ffe, ProtocolRepository protocolRep) {
+        super(socket);
         this.domain = domain;
         this.fileFrontEnd = ffe;
-        this.store = socket;
         this.protocolRep = protocolRep;
-        this.client_run = false;
-        initStore();
-    }
-
-    /**
-     * Initialise the Store's Reader and Writer.
-     *
-     * @see BufferedReader
-     * @see PrintWriter
-     * @since 1.0
-     */
-    private void initStore() {
-        try {
-            this.reader = new BufferedReader(new InputStreamReader(
-                    this.store.getInputStream(),
-                    StandardCharsets.UTF_8
-            ));
-            this.writer = new PrintWriter(new OutputStreamWriter(
-                    this.store.getOutputStream(),
-                    StandardCharsets.UTF_8
-            ), true);
-
-            this.start();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
     }
 
     /**
@@ -80,42 +49,71 @@ public class StoreProcessor extends Thread implements AutoCloseable {
      */
     @Override
     public void run() {
-        this.client_run = true;
+        // Set process to true
-        while (this.client_run) {
+        this.setRunning(true);
+        // Process while
+        while (this.isRunning()) {
             try {
-                waitAction();
+                if (protocolResult == null) { // Si on n'a pas encore la commande à envoyer
-                System.out.println("[SBE] Envoie commande : " + protocolResult.getCommand());
+                    waitAction();
+                }
+                Log.getInstance().infoln("[SBE] Envoie commande : " + protocolResult.getCommand());
 
                 // Request
-                this.writer.write(protocolResult.getCommand());
+                this.write(protocolResult.getCommand());
-                this.writer.flush();
-                protocolResult.write(this.store.getOutputStream());
-
 
+                try {
+                    protocolResult.write(this.getOutputStream());
+                } catch (IOException writeException) { // Si SBE fermé
+                    // Envoie au client que la requête n'a pu être traitée
+                    alertAvailable(null);
+                    break;
+                }
                 // Response
-                String responseCommand = this.reader.readLine() + "\r\n";
+                String responseCommand = this.readLine();
-                if (responseCommand != null)
+                if (responseCommand != null && !responseCommand.isBlank()) {
-                System.out.println("StoreBackEnd: " + responseCommand);
+                    responseCommand += "\r\n";
-                ProtocolReader.ProtocolResult responseResult = protocolRep.executeReader(context, responseCommand);
+                    ProtocolReader.ProtocolResult responseResult = protocolRep.executeReader(getContext(), responseCommand);
-                responseResult.read(
+                    if (responseResult != null) {
-                        this.store.getInputStream()
+                        Log.getInstance().infoln("StoreBackEnd (" + domain + ") response to client: " + responseResult.getResultCommand());
-                );
+                        responseResult.read(
-                System.out.println("StoreBackEnd response to client: " + responseResult.getResultCommand());
+                                this.getInputStream()
+                        );
 
-                alertAvalaible(responseResult.getResultCommand());
+                        alertAvailable(responseResult.getResultCommand());
+                    } else {
+                        Log.getInstance().infoln("StoreBackEnd result: Commande null");
+                        alertAvailable(null);
+                    }
+                } else {
+                    Log.getInstance().infoln("StoreBackEnd: Commande null");
+                    alertAvailable(null);
+                }
 
-            } catch (IOException ignore) { }
+            } catch (IOException exception) {
+                Log.getInstance().infoln("[ERROR] Problem with SBE (" + domain + ") : " + exception.getMessage());
+                this.close();
+            }
+        }
+
+        // Closing SBE
+        try {
+            this.close();
+            this.fileFrontEnd.onStoreDisconnect(this.domain);
+        } catch (Exception e) {
+            Log.getInstance().infoln("[ERROR] Error while closing SBE (" + domain + ") : " + e.getMessage());
         }
     }
 
     /**
      * Permet de demander au StoreBackEnd d'effectuer une commande
+     *
      * @param protocolResult La commande à effectuer
      */
     public void executeCommand(Context context, ProtocolWriter.ProtocolResult protocolResult) {
         synchronized (this) {
             this.protocolResult = protocolResult;
-            this.context = context;
+            setContext(context);
             this.notify();
         }
     }
@@ -123,10 +121,13 @@ public class StoreProcessor extends Thread implements AutoCloseable {
     /**
      * Permet de déclarer le StoreBackEnd disponible
      */
-    private void alertAvalaible(ProtocolWriter.ProtocolResult responseCommand) {
+    private void alertAvailable(ProtocolWriter.ProtocolResult responseCommand) {
         synchronized (this) {
             this.protocolResult = null;
-            fileFrontEnd.onStoreAvailable(this, responseCommand);
+            if (responseCommand == null) {
+                this.setRunning(false);
+            }
+            fileFrontEnd.onStoreAvailable(this.getDomain(), responseCommand);
         }
     }
 
@@ -137,7 +138,9 @@ public class StoreProcessor extends Thread implements AutoCloseable {
         synchronized (this) {
             try {
                 this.wait();
-            } catch (InterruptedException e) { e.printStackTrace(); }
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
         }
     }
 
@@ -149,11 +152,9 @@ public class StoreProcessor extends Thread implements AutoCloseable {
      */
     @Override
     public void close() {
-        if (this.client_run) {
+        if (this.isRunning()) {
-            try {
+            this.setRunning(false);
-                this.client_run = false;
+            Log.getInstance().infoln("[SBE] Fermeture de " + domain);
-                this.store.close();
-            } catch (IOException ignored) { }
         }
     }
 
@@ -176,11 +177,25 @@ public class StoreProcessor extends Thread implements AutoCloseable {
         return Objects.hash(domain);
     }
 
-    public boolean canProcessTask(Task task) {
+    public boolean canProcessTask() {
         return this.protocolResult == null; // Vérifier si tâche veut ce SBE
     }
 
     public String getDomain() {
         return this.domain;
     }
+
+    /**
+     * Permet de mettre à jours la dernière annonce de ce SBE au FFE
+     */
+    public void setLastAnnounce(LocalDateTime lastAnnounce) {
+        this.lastAnnounce = lastAnnounce;
+    }
+
+    /**
+     * Permet de mettre à jours la dernière annonce de ce SBE au FFE
+     */
+    public LocalDateTime getLastAnnounce() {
+        return lastAnnounce;
+    }
 }

app/src/main/java/lightcontainer/domains/client/UnicastThread.java

@@ -0,0 +1,148 @@
+package lightcontainer.domains.client;
+
+import java.io.*;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+
+public abstract class UnicastThread extends Thread implements AutoCloseable {
+    // Variables
+    private final Socket socket;
+    private Context context;
+    private BufferedReader reader;
+    private PrintWriter writer;
+    private boolean isRunning = false;
+
+    /**
+     * UnicastThread Constructor
+     *
+     * @param socket Unicast Socket
+     */
+    public UnicastThread(Socket socket) {
+        this(socket, null);
+    }
+
+    /**
+     * UnicastThread Constructor
+     *
+     * @param socket Unicast Socket
+     * @param context Connection context
+     */
+    public UnicastThread(Socket socket, Context context) {
+        this.socket = socket;
+        this.context = context;
+        initSocket();
+    }
+
+    /**
+     * Initialise the Socket's Reader and Writer.
+     *
+     * @see BufferedReader
+     * @see PrintWriter
+     * @since 1.0
+     */
+    private void initSocket() {
+        // Start the thread
+        try {
+            this.reader = new BufferedReader(new InputStreamReader(
+                    this.socket.getInputStream(),
+                    StandardCharsets.UTF_8
+            ));
+            this.writer = new PrintWriter(new OutputStreamWriter(
+                    this.socket.getOutputStream(),
+                    StandardCharsets.UTF_8
+            ), true);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Read from the socket.
+     *
+     * @return Returns the line that was read
+     */
+    protected String readLine() throws IOException {
+        return this.reader.readLine();
+    }
+
+    /**
+     * Write to the socket.
+     *
+     * @param str Content to write.
+     */
+    protected void write(String str) {
+        this.writer.write(str);
+        this.writer.flush();
+    }
+
+    /**
+     * Print to the socket.
+     *
+     * @param str Content to print.
+     */
+    protected void print(String str) {
+        this.writer.print(str);
+        this.writer.flush();
+    }
+
+    /**
+     * Getter, allow to retrieve an inputstream of the socket.
+     *
+     * @return Socket inputstream.
+     */
+    protected InputStream getInputStream() throws IOException {
+        return this.socket.getInputStream();
+    }
+
+    /**
+     * Getter, allow to retrieve an outputstream of the socket.
+     *
+     * @return Socket outputstream.
+     */
+    protected OutputStream getOutputStream() throws IOException {
+        return this.socket.getOutputStream();
+    }
+
+    /**
+     * Close all connection stream and resources.
+     */
+    @Override
+    public void close() throws IOException {
+        this.reader.close();
+        this.writer.close();
+        this.socket.close();
+        setRunning(false);
+    }
+
+    /**
+     * Allow to verify if the thread is running.
+     * @return True; yes, False; no.
+     */
+    protected boolean isRunning() {
+        return this.isRunning;
+    }
+
+    /**
+     * Setter, define the running status.
+     * @param running True; is running, False; is not running.
+     */
+    protected void setRunning(boolean running) {
+        this.isRunning = running;
+    }
+
+    /**
+     * Retrieve connection context.
+     * @return Context.
+     */
+    protected Context getContext() {
+        return this.context;
+    }
+
+    /**
+     * Set connection context.
+     * @param context context.
+     */
+    protected void setContext(Context context) {
+        this.context = context;
+    }
+}

app/src/main/java/lightcontainer/domains/server/MulticastServerListener.java

@@ -3,9 +3,10 @@ package lightcontainer.domains.server;
 import lightcontainer.domains.client.StoreProcessor;
 import lightcontainer.interfaces.MulticastSPR;
 import lightcontainer.interfaces.ProtocolRepository;
-import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.reader.HelloRule;
 import lightcontainer.repository.FileFrontEnd;
+import lightcontainer.utils.Log;
+import lightcontainer.utils.NetChooser;
 
 import java.io.IOException;
 import java.net.*;
@@ -25,7 +26,8 @@ public class MulticastServerListener implements Runnable {
     // Variable
     private final String multicast_address;
     private final int multicast_port;
-    private FileFrontEnd ffe;
+    private final String network_interface;
+    private final FileFrontEnd ffe;
     private final MulticastSPR repository;
     private final ProtocolRepository protocolRep;
 
@@ -33,12 +35,13 @@ public class MulticastServerListener implements Runnable {
     private MulticastSocket listener;
 
     // Constructor
-    public MulticastServerListener(FileFrontEnd ffe, MulticastSPR repository, ProtocolRepository protocolRep, String multicast_address, int multicast_port) {
+    public MulticastServerListener(FileFrontEnd ffe, MulticastSPR repository, ProtocolRepository protocolRep, String multicast_address, int multicast_port, String network_interface) {
         this.ffe = ffe;
         this.repository = repository;
         this.protocolRep = protocolRep;
         this.multicast_address = multicast_address;
         this.multicast_port = multicast_port;
+        this.network_interface = network_interface;
         repository.setServerListener(this);
     }
 
@@ -54,6 +57,9 @@ public class MulticastServerListener implements Runnable {
         try {
             // Create a new listening socket
             this.listener = new MulticastSocket(this.multicast_port);
+
+            this.selectInterface();
+
             // Create an identifier for the multicast group on the specified ip
             InetAddress listener_group = InetAddress.getByName(this.multicast_address);
             // Creation of a packet for the information received
@@ -63,25 +69,52 @@ public class MulticastServerListener implements Runnable {
             while (true) {
                 // Read the packet received and build a string of characters
                 this.listener.receive(packet);
-                String data = new String(packet.getData(), 0, packet.getLength());
-                // Create a new StoreBacked (try used in the case of an error to maintain the listening loop)
-                try {
-                    // TODO Récupérer le port du message du packet et le setup (add description of the line).
-                    HelloRule.Result readerResult = protocolRep.executeReader(null, data);
-                    System.out.printf("Nouveau SBE : Domain=%s | Port=%d\n", readerResult.getDomain(), readerResult.getPort());
 
-                    Socket socket = new Socket(packet.getAddress(), readerResult.getPort());
+                onNewSbe(packet);
-
+            }
-                    // Create the store processor
+        } catch (IOException ioException) {
-                    StoreProcessor storeProcessor = new StoreProcessor(socket, readerResult.getDomain(), ffe, protocolRep); // TODO <!!!> : Voir comment on procède get via repo ou ici ?!
+            Log.getInstance().infoln("[ERREUR] Multicast server can't start : " + ioException.getMessage());
-
+        }
-                    // Add the store processor to its repository
+    }
-                    this.repository.addStore(storeProcessor);
+
-                } catch (IOException ignore) {
+    private void onNewSbe(DatagramPacket packet) {
-                    ignore.printStackTrace();
+        try {
-                }
+            String data = new String(packet.getData(), 0, packet.getLength());
+
+            HelloRule.Result readerResult = protocolRep.executeReader(null, data);
+
+            Log.getInstance().infof("Nouveau SBE : Domain=%s | Port=%d\n", readerResult.getDomain(), readerResult.getPort());
+
+            if (!this.repository.hasDomain(readerResult.getDomain())){
+                Socket socket = new Socket(packet.getAddress(), readerResult.getPort());
+
+                // Create the store processor
+                StoreProcessor storeProcessor = new StoreProcessor(socket, readerResult.getDomain(), ffe, protocolRep); // TODO <!!!> : Voir comment on procède get via repo ou ici ?!
+
+                // Add the store processor to its repository
+                this.repository.addStore(storeProcessor);
+            }
+            // Contient déjà le SBE donc maj de la dernière activité
+            this.repository.updateLastAnnounce(readerResult.getDomain());
+        } catch (IOException | ClassCastException exception) {
+            Log.getInstance().infoln("[ERREUR] Une SBE essaye de se connecter avec une mauvaise configuration : " + exception.getMessage());
+        }
+    }
+
+    /**
+     * Permet de choisir l'interface réseau d'écoute en Multicast
+     */
+    private void selectInterface() {
+        try {
+            this.listener.setNetworkInterface(NetworkInterface.getByName(network_interface));
+        } catch (SocketException| NullPointerException e) {
+            NetChooser netChooser = new NetChooser();
+            try {
+                this.listener.setNetworkInterface(netChooser.requestInterface());
+            } catch (SocketException socketException) {
+                socketException.printStackTrace();
+                this.stop();
             }
-        } catch (Exception ignore) {
         }
     }
 
@@ -92,6 +125,7 @@ public class MulticastServerListener implements Runnable {
      * @since 1.0
      */
     public void stop() {
+        repository.disconnectDomains();
         this.listener.close();
     }
 }

app/src/main/java/lightcontainer/domains/server/UnicastServerListener.java

@@ -5,15 +5,12 @@ import lightcontainer.domains.client.Context;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.interfaces.UnicastCHR;
 import lightcontainer.repository.FileFrontEnd;
-import lightcontainer.storage.AppData;
 import lightcontainer.storage.Repository;
 
-import javax.net.ssl.SSLServerSocket;
 import javax.net.ssl.SSLServerSocketFactory;
 import javax.net.ssl.SSLSocket;
 import java.io.IOException;
 import java.net.ServerSocket;
-import java.net.Socket;
 
 public class UnicastServerListener implements Runnable {
     // Variables
@@ -55,11 +52,11 @@ public class UnicastServerListener implements Runnable {
                 SSLSocket client = (SSLSocket) this.server.accept();
 
                 // Create a new Handler client by passing these dependencies to it
-                ClientHandler clientHandler = new ClientHandler(this.repository, client, ffe, protocolRep, new Context(repositoryStorage));
+                ClientHandler clientHandler = new ClientHandler(this.repository, client, ffe, protocolRep, new Context(repositoryStorage, repository));
                 // Add the client handler to its repository (clienthandlerrepository)
                 this.repository.addClient(clientHandler);
                 // Start the thread
-                (new Thread(clientHandler)).start();
+                clientHandler.start();
             }
         } catch (IOException e) {
             e.printStackTrace();

app/src/main/java/lightcontainer/enumerations/TaskType.java

@@ -3,7 +3,7 @@ package lightcontainer.enumerations;
 import lightcontainer.domains.Task;
 
 /**
- * enumeration to define the type of a {@link Task}.
+ * enumeration to define the type of {@link Task}.
  */
 public enum TaskType {
     SEND,

app/src/main/java/lightcontainer/interfaces/ClientHandlerFFE.java

@@ -13,9 +13,11 @@ public interface ClientHandlerFFE {
 
     /**
      * Demande le traitement d'une commande
+     *
      * @param context Context de la requête
      * @param command Commande à traiter
      */
-    void newCommand(Context context, ProtocolWriter.ProtocolResult command);
+    void newCommand(Context context, ProtocolWriter.ProtocolResult command, String requestDomain);
 
+    boolean canExecuteCommand(String domain);
 }

app/src/main/java/lightcontainer/interfaces/MulticastSPR.java

@@ -5,23 +5,63 @@ import lightcontainer.domains.client.StoreProcessor;
 import lightcontainer.domains.server.MulticastServerListener;
 import lightcontainer.repository.StoreProcessorRepository;
 
+import java.time.LocalDateTime;
+import java.util.Collection;
+
 /**
  * A communication interface between a {@link StoreProcessor} and the {@link StoreProcessorRepository}.
  */
 public interface MulticastSPR {
     /**
      * Setter, allow to define the ServerListener of a repository.
+     *
      * @param server ServerListener to set as default.
      */
     void setServerListener(MulticastServerListener server);
 
     /**
      * Add a StorePorcessor.
+     *
      * @param store Store processor to add.
      */
-    void addStore(StoreProcessor store);
+    boolean addStore(StoreProcessor store);
 
-    String findDomain(Task task);
+    String findDomain();
 
     void assignTask(String stor, Task task);
+
+    boolean hasDomain(String domain);
+
+    int domainCount();
+
+    /**
+     * Déconnecte tous les SBE
+     */
+    void disconnectDomains();
+
+    /**
+     * Permet de déconnecter un SBE
+     *
+     * @param domain Le domaine du SBE à déconnecter
+     */
+    void closeStore(String domain);
+
+    /**
+     * Permet de mettre à jours la dernière annonce de ce SBE au FFE
+     * @param domain Le domain s'annoncant
+     */
+    void updateLastAnnounce(String domain);
+
+
+    /**
+     * Permet de récupérer les noms des domaines connectés au FFE
+     * @return Les noms des domaines connectés au FFE
+     */
+    Collection<String> getDomains();
+
+    /**
+     * Permet de récupérer la dernière annonce d'un SBE
+     * @return La dernière annonce d'un SBE
+     */
+    LocalDateTime getLastAnnounce(String domain);
 }

app/src/main/java/lightcontainer/interfaces/ProtocolRepository.java

@@ -8,7 +8,7 @@ public interface ProtocolRepository {
 
     <T extends ProtocolReader.ProtocolResult> T executeReader(Context context, String data);
 
-    <T extends ProtocolWriter.ProtocolResult> T  executeWriter(Context context, String cmdName, String... data);
+    <T extends ProtocolWriter.ProtocolResult> T executeWriter(Context context, String cmdName, String... data);
 
     void addReader(ProtocolReader reader);
 

app/src/main/java/lightcontainer/interfaces/StoreProcessorFFE.java

@@ -10,8 +10,16 @@ import lightcontainer.repository.FileFrontEnd;
 public interface StoreProcessorFFE {
     /**
      * Allows a {@link StoreProcessor} to notify the FFE that it's available.
-     * @param         store The store processor that is now available.
+     *
-     * @param responseCommand
+     * @param storeDomain The store processor that is now available.
+     * @param response
      */
-    void onStoreAvailable(StoreProcessor store, ProtocolWriter.ProtocolResult response);
+    void onStoreAvailable(String storeDomain, ProtocolWriter.ProtocolResult response);
+
+    /**
+     * Permet de déconnecter un SBE
+     *
+     * @param domain Le domaine du SBE à déconnecter
+     */
+    void onStoreDisconnect(String domain);
 }

app/src/main/java/lightcontainer/interfaces/UnicastCHR.java

@@ -1,29 +1,33 @@
 package lightcontainer.interfaces;
 
 import lightcontainer.domains.client.ClientHandler;
-import lightcontainer.domains.server.MulticastServerListener;
 import lightcontainer.domains.server.UnicastServerListener;
 import lightcontainer.protocol.ProtocolWriter;
 import lightcontainer.repository.ClientHandlerRepository;
+import lightcontainer.repository.ReadOnlyClientRepository;
 
 /**
  * A communication interface between a {@link ClientHandler} and the {@link ClientHandlerRepository}.
  */
-public interface UnicastCHR {
+public interface UnicastCHR extends ReadOnlyClientRepository {
     /**
      * Setter, allow to define the ServerListener of a repository.
+     *
      * @param server ServerListener to set as default.
      */
     void setServerListener(UnicastServerListener server);
 
     /**
      * Add a ClientHandler.
+     *
      * @param client Client Handler to add.
      */
     void addClient(ClientHandler client);
 
+
     /**
      * Permet de demander la déconnection d'un client
+     *
      * @param client Le client à déconnecter
      */
     void disconnect(ClientHandler client);

app/src/main/java/lightcontainer/protocol/ProtocolReader.java

@@ -20,11 +20,13 @@ public abstract class ProtocolReader {
         this.rulePattern = Pattern.compile(pattern);
     }
 
+    // Receiver list
     public enum ResultCmdReceiver {
         CLIENT,
         STOREBACKEND
     }
 
+
     /**
      * Modèle utilisé par tout les résultats des règles de protocol.
      * Lorsqu'il retourne son résultat, on vérifie si il y a une demande de lecture/écriture de fichier depuis le réseau. Si oui on appel ces méthodes, sinon on ne fait rien.
@@ -39,7 +41,12 @@ public abstract class ProtocolReader {
         /**
          * Le context courant
          */
-        private Context context;
+        private final Context context;
+
+        /**
+         * Domaine demandé pour l'exécution de cette commande (NULL si aucun domaine spécifique demandé)
+         */
+        private String requestDomain;
 
         public ProtocolResult(Context context) {
             this.context = context;
@@ -52,7 +59,12 @@ public abstract class ProtocolReader {
          */
         private ResultCmdReceiver receiver;
 
-        public ResultCmdReceiver getReceiver() {
+        /**
+         * Récupérer le destinataire
+         *
+         * @return Receiver
+         */
+        public final ResultCmdReceiver getReceiver() {
             return receiver;
         }
 
@@ -61,7 +73,7 @@ public abstract class ProtocolReader {
          *
          * @return Commande
          */
-        public ProtocolWriter.ProtocolResult getResultCommand() {
+        public final ProtocolWriter.ProtocolResult getResultCommand() {
             return this.resultCommand;
         }
 
@@ -71,11 +83,12 @@ public abstract class ProtocolReader {
          * @param resultCommand Commande à envoyer
          * @param receiver      Le receveur de cette commande
          */
-        public void setResultCommand(ProtocolWriter.ProtocolResult resultCommand, ResultCmdReceiver receiver) {
+        public final void setResultCommand(ProtocolWriter.ProtocolResult resultCommand, ResultCmdReceiver receiver) {
             this.resultCommand = resultCommand;
             this.receiver = receiver;
         }
 
+
         /**
          * Permet de lire un fichier. Cad reçevoir le contenu d'un fichier provenant du réseau.
          * Redéfinissez cette méthode pour l'utiliser
@@ -87,12 +100,35 @@ public abstract class ProtocolReader {
 
         /**
          * Permet de récupérer le context courant
+         *
          * @return Context courant
          */
-        protected Context getContext() {
+        protected final Context getContext() {
             return context;
         }
 
+
+        /**
+         * Cette méthode est appelée lorsque la commande à exécuter ne peut pas être exécutée
+         */
+        public final String onNotExecutable(Context context) {
+            ProtocolResult cmdResult = onError(context);
+            return cmdResult == null ? null : cmdResult.getResultCommand().getCommand();
+        }
+
+        /**
+         * Accesseur du domaine demandé pour l'exécution de cette commande (NULL si aucun domaine spécifique demandé)
+         */
+        public String getRequestDomain() {
+            return requestDomain;
+        }
+
+        /**
+         * Mutateur du domaine demandé pour l'exécution de cette commande (NULL si aucun domaine spécifique demandé)
+         */
+        public void setRequestDomain(String requestDomain) {
+            this.requestDomain = requestDomain;
+        }
     }
 
     /**
@@ -123,19 +159,18 @@ public abstract class ProtocolReader {
     private String extractName(String data) {
         String name;
         int endIndex = data.indexOf(' ');
-        if (endIndex > 0) {
+        if (endIndex <= 0) {
-            name = data.substring(0, endIndex);
-        } else {
             endIndex = data.indexOf('\r');
-            name = data.substring(0, endIndex);
         }
+        name = data.substring(0, endIndex);
         return name;
     }
 
     /**
      * Cette méthode est appelée lors de l'exécution de la règle
      *
-     * @param data Paramètres pour créer la commande.
+     * @param context Utilisateur context.
+     * @param data    Paramètres pour créer la commande.
      */
     protected abstract <T extends ProtocolResult> T onExecuted(Context context, String... data);
 

app/src/main/java/lightcontainer/protocol/ProtocolWriter.java

@@ -2,6 +2,7 @@ package lightcontainer.protocol;
 
 import lightcontainer.domains.client.Context;
 
+import java.io.IOException;
 import java.io.OutputStream;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -22,6 +23,7 @@ public abstract class ProtocolWriter {
 
     /**
      * Permet de récupérer le nom de la commande.
+     *
      * @return Nom de la commande.
      */
     public final String getCmdName() {
@@ -49,21 +51,26 @@ public abstract class ProtocolWriter {
         /**
          * Permet d'écrire un fichier sur le réseau. Cad envoyer le contenu d'un fichier sur le réseau.
          * Redéfinissez cette méthode pour l'utiliser.
+         *
          * @param writer Buffer à remplir qui sera envoyer via le réseau
          */
-        public void write(OutputStream writer) {}
+        public void write(OutputStream writer) throws IOException {
+        }
 
         /**
          * Accesseur au contexte courant sur lequel opère la commande
+         *
          * @return Context
          */
         public Context getContext() {
             return context;
         }
+
     }
 
     /**
      * Permet de contruire une commande selon une règle établie.
+     *
      * @param data Les données à ajouter dans la commande; L'ordre défini leur position dans la commande
      * @return La commande construites
      */
@@ -72,11 +79,11 @@ public abstract class ProtocolWriter {
         StringBuilder builder = new StringBuilder(this.cmdName);
 
         for (String param : data)
-            builder.append(" " + param);
+            builder.append(" ").append(param);
 
         String command = builder + "\r\n";
         Matcher ruleMatcher = this.rulePattern.matcher(command); // Vérifie que tout match (cf. Matcher). Si match alors on retourne la commande build, sinon on retourne NULL
-        System.out.println("Essaye : " + command);
+
         if (ruleMatcher.matches()) {
             ProtocolResult result = onExecuted(context, data);
             result.setCommand(command);

app/src/main/java/lightcontainer/protocol/StandardizedDefinitions.java

@@ -0,0 +1,56 @@
+package lightcontainer.protocol;
+
+public class StandardizedDefinitions {
+
+    //Parties de regex non-utilisées en dehors de cette classe.
+    private final static String DIGIT = "[\\x30-\\x39]";
+    private final static String VISIBLECHAR = "[\\x20-\\xFF]";
+    private final static String PASSCHAR = "[\\x22-\\xFF]";
+    private final static String BINARY = "[\\x00-\\xFF]";
+    private final static String LETTER = "[\\x41-\\x5A\\x61-\\x7A]";
+    private final static String DIGIT_LETTER = "[\\x30-\\x39\\x41-\\x5A\\x61-\\x7A]";
+    private final static String PORT = "(6553[\\x30-\\x35])|(655[\\x30-\\x32][\\x30-\\x39])|(65[\\x30-\\x34][\\x30-\\x32]{2})|(6[\\x30-\\x34][\\x30-\\x39]{3})|([\\x31-\\x35][\\x30-\\x39]{4})|([\\x30-\\x35]{0,5})|([\\x30-\\x39]{1,4})";
+    private final static String SIZE = DIGIT + "{1,10}";
+    private final static String LINE = "\\x0D\\x0A";
+    private final static String PASSWORD = PASSCHAR + "{5,50}";
+    private final static String BL = "\\x20";
+    private final static String FILENAME = PASSCHAR + "{1,20}";
+    private final static String DOMAIN = "[a-z-A-Z0-9.]{5,20}";
+    private final static String HASH_FILENAME = DIGIT_LETTER + "{50,200}";
+    private final static String HASH_FILECONTENT = DIGIT_LETTER + "{50,200}";
+    private final static String FILE_INFO = "(" + HASH_FILENAME + ")" + BL + "(" + SIZE + ")" + BL + "(" + HASH_FILECONTENT + ")";
+    private final static String LOGIN = DIGIT_LETTER + "{5,20}";
+
+    //Regex à utiliser dans les différents protocoles.
+    //SBE s'annonce à FFE.
+    public final static String SBE_HELLO = "^HELLO" + BL + "(" + DOMAIN + ")" + BL + "(" + PORT + ")" + LINE + "$";
+
+    //FFE demande à SBE une tâche. SBE répond à FFE.
+    public final static String FFE_SENDFILE = "^SENDFILE" + BL + FILE_INFO + LINE + "$";
+    public final static String SBE_SEND_RESULT_OK = "^SEND_OK" + LINE + "$";
+    public final static String SBE_SEND_RESULT_ERROR = "^SEND_ERROR" + LINE + "$";
+    public final static String FFE_ERASE_FILE = "^ERASEFILE" + BL + "(" + HASH_FILENAME + ")" + LINE + "$";
+    public final static String SBE_ERASE_RESULT_OK = "^ERASE_OK" + LINE + "$";
+    public final static String SBE_ERASE_RESULT_ERROR = "^ERASE_ERROR" + LINE + "$";
+    public final static String FFE_RETRIEVE_FILE = "^RETRIEVEFILE" + BL + "(" + HASH_FILENAME + ")" + LINE + "$";
+    public final static String SBE_RETRIEVE_RESULT_OK = "^RETRIEVE_OK" + BL + FILE_INFO + LINE + "$";
+    public final static String SBE_RETRIEVE_RESULT_ERROR = "^RETRIEVE_ERROR" + LINE + "$";
+
+    //Client demande à FFE une tâche. FFE répond à client.
+    public final static String CLIENT_SIGN_IN = "^SIGNIN" + BL + "(" + LOGIN + ")" + BL + "(" + PASSWORD + ")" + LINE + "$";
+    public final static String CLIENT_SIGN_UP = "^SIGNUP" + BL + "(" + LOGIN + ")" + BL + "(" + PASSWORD + ")" + LINE + "$";
+    public final static String FFE_SIGN_OK = "^SIGN_OK" + LINE + "$";
+    public final static String FFE_SIGN_ERROR = "^SIGN_ERROR" + LINE + "$";
+    public final static String CLIENT_FILE_LIST = "^FILELIST" + LINE + "$";
+    public final static String FFE_FILE_LIST_RESULT = "^FILES" + "( (" + PASSCHAR + "{1,20})!(" + DIGIT + "{1,10})){0,50}" + LINE + "$";
+    public final static String CLIENT_SAVE_FILE = "^SAVEFILE" + BL + "(" + FILENAME + ")" + BL + "(" + SIZE + ")" + LINE + "$";
+    public final static String FFE_SAVE_FILE_OK = "^SAVEFILE_OK" + LINE + "$";
+    public final static String FFE_SAVE_FILE_ERROR = "^SAVEFILE_ERROR" + LINE + "$";
+    public final static String CLIENT_GET_FILE = "^GETFILE" + BL + "(" + FILENAME + ")" + LINE + "$";
+    public final static String FFE_GET_FILE_RESULT_OK = "^GETFILE_OK" + BL + FILENAME + BL + SIZE + LINE + "$";
+    public final static String FFE_GET_FILE_RESULT_ERROR = "^GETFILE_ERROR" + LINE + "$";
+    public final static String CLIENT_REMOVE_FILE = "^REMOVEFILE" + BL + "(" + FILENAME + ")" + LINE + "$";
+    public final static String FFE_REMOVE_OK = "^REMOVEFILE_OK" + LINE + "$";
+    public final static String FFE_REMOVE_ERROR = "^REMOVEFILE_ERROR" + LINE + "$";
+    public final static String CLIENT_SIGN_OUT = "^SIGNOUT" + LINE + "$";
+}

app/src/main/java/lightcontainer/protocol/rules/reader/EraseErrorRule.java

@@ -0,0 +1,30 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.RemoveFileErrorRule;
+
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_ERASE_RESULT_ERROR;
+
+public class EraseErrorRule extends ProtocolReader {
+    //"^ERASE_ERROR\r\n$"
+    private static final String PATTERN = SBE_ERASE_RESULT_ERROR;
+
+    private static final String NAME = "ERASE_ERROR";
+
+    private final ProtocolRepository protocolRep;
+
+
+    public EraseErrorRule(ProtocolRepository protocolRep) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+    }
+
+    @Override
+    protected ProtocolResult onExecuted(Context context, String... data) {
+        ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
+        result.setResultCommand(protocolRep.executeWriter(context, RemoveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/reader/EraseOkRule.java

@@ -0,0 +1,33 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.RemoveFileOkRule;
+
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_ERASE_RESULT_OK;
+
+public class EraseOkRule extends ProtocolReader {
+
+    private static final String PATTERN = SBE_ERASE_RESULT_OK;
+
+    private static final String NAME = "ERASE_OK";
+
+    private final ProtocolRepository protocolRep;
+
+    public EraseOkRule(ProtocolRepository protocolRep) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+    }
+
+    @Override
+    protected ProtocolReader.ProtocolResult onExecuted(Context context, String... data) {
+        ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
+        String deletedFileName = context.getDataString("fileName");
+        context.deleteFile(deletedFileName);
+        result.setResultCommand(protocolRep.executeWriter(context, RemoveFileOkRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+
+
+}

app/src/main/java/lightcontainer/protocol/rules/reader/FilelistRule.java

@@ -7,16 +7,18 @@ import lightcontainer.protocol.rules.writer.FilesRule;
 
 import java.util.List;
 
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_FILE_LIST;
+
 /**
  * Règle permettant de récupérer la liste des fichiers d'un utilisateur
  */
 public class FilelistRule extends ProtocolReader {
     // Constants
-    private static final String PATTERN = "^FILELIST\r\n$";
+    private static final String PATTERN = CLIENT_FILE_LIST;
 
     private static final String NAME = "FILELIST";
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     // Constructor
     public FilelistRule(ProtocolRepository protocolRep) {
@@ -47,7 +49,7 @@ public class FilelistRule extends ProtocolReader {
         return result;
     }
 
-    @Override
+    @Override//TODO ???
     protected <T extends ProtocolResult> T onError(Context context) {
         return super.onError(context);
     }

app/src/main/java/lightcontainer/protocol/rules/reader/GetFileRule.java

@@ -0,0 +1,96 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.GetFileErrorRule;
+import lightcontainer.protocol.rules.writer.RetrieveFileRule;
+import lightcontainer.storage.ReadOnlyFile;
+
+import java.util.Iterator;
+
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_GET_FILE;
+
+public class GetFileRule extends ProtocolReader {
+    // Constants
+    //"^GETFILE ([^ !]{1,20})\r\n$"
+    private static final String PATTERN = CLIENT_GET_FILE;
+    private static final String NAME = "GETFILE";
+    // -- arguments
+    private static final int FILE_NAME = 0; // Index file name.
+
+    // Variables
+    private final ProtocolRepository protocolRep;
+
+    // Constructor
+    public GetFileRule(ProtocolRepository protocolRep) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+    }
+
+    /**
+     * Rule Result
+     */
+    public class Result extends ProtocolResult {
+        // Variables
+        private final String fileName;
+
+        // Constructor
+        public Result(Context context, String fileName) {
+            super(context);
+            this.fileName = fileName;
+        }
+    }
+
+    /**
+     * Cette méthode est appelée lors de l'exécution de la règle
+     *
+     * @param context Utilisateur context.
+     * @param data    Paramètres pour créer la commande.
+     */
+    @Override
+    protected GetFileRule.Result onExecuted(Context context, String... data) {
+        GetFileRule.Result result = new GetFileRule.Result(context, data[FILE_NAME]);
+
+        ReadOnlyFile file = context.getFile(data[FILE_NAME]);
+
+        if (file != null) {
+            // Précision du store back end demandé pour traiter cette commande.
+            String requestDomain = extractRequestDomain(file.getStorageIterator());
+            result.setRequestDomain(requestDomain);
+
+            // Save into bundle
+            context.putDataString("fileName", file.getName());
+            context.putDataLong("fileSize", file.getSize());
+            context.putDataString("fileIV", file.getIv());
+
+            // Create cmd for storebacked
+            result.setResultCommand(protocolRep.executeWriter(context, RetrieveFileRule.NAME, context.getHashedFileName(file.getName())), ResultCmdReceiver.STOREBACKEND);
+        } else {
+            result.setResultCommand(protocolRep.executeWriter(context, GetFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        }
+        return result;
+    }
+
+    /**
+     * Cette méthode est appelée lors d'une erreur de la règle
+     */
+    protected ProtocolReader.ProtocolResult onError(Context context) {
+        ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
+        // Make getFileErrorRule
+        result.setResultCommand(protocolRep.executeWriter(context, GetFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+
+    /**
+     * TMP
+     * TODO : But futur est de pouvoir en avoir plusieurs (sbe)
+     * Cette méthode permet de choisir le domaine voulu.
+     *
+     * @param storageIterator Les domaines
+     * @return Le domain choisi
+     */
+    private String extractRequestDomain(Iterator<String> storageIterator) {
+        return storageIterator.next();
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/reader/HelloRule.java

@@ -3,14 +3,16 @@ package lightcontainer.protocol.rules.reader;
 import lightcontainer.domains.client.Context;
 import lightcontainer.protocol.ProtocolReader;
 
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_HELLO;
+
 /**
  * Règle permettant d'être alerter de l'annoncement d'un SBE
  */
 public class HelloRule extends ProtocolReader {
+    //"^HELLO ([A-Za-z0-9.]{5,20}) ([\\d]{0,5})\r\n$"
+    private static final String PATTERN = SBE_HELLO;
 
-    private static final  String PATTERN = "^HELLO ([A-Za-z0-9]{5,20}) ([0-9]{1,5})\r\n$";
+    private static final String NAME = "HELLO";
-
-    private static final  String NAME = "HELLO";
 
     // Index du domain dans le tableau de donnée
     private static final int DOMAIN = 0;

app/src/main/java/lightcontainer/protocol/rules/reader/RemoveFileRule.java

@@ -0,0 +1,80 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.EraseFileRule;
+import lightcontainer.protocol.rules.writer.RemoveFileErrorRule;
+import lightcontainer.storage.ReadOnlyFile;
+
+import java.util.Iterator;
+
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_REMOVE_FILE;
+
+public class RemoveFileRule extends ProtocolReader {
+    //"^REMOVEFILE ([^ !]{1,20})\r\n$"
+    private static final String PATTERN = CLIENT_REMOVE_FILE;
+
+    private static final String NAME = "REMOVEFILE";
+
+    private static final int FILENAME = 0;
+
+
+    private final ProtocolRepository protocolRep;
+
+    public RemoveFileRule(ProtocolRepository protocolRep) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+    }
+
+    public class Result extends ProtocolResult {
+        private final String fileName;
+
+        public Result(Context context, String fileName) {
+            super(context);
+            this.fileName = fileName;
+        }
+
+        public String getFileName() {
+            return fileName;
+        }
+    }
+
+    @Override
+    protected RemoveFileRule.Result onExecuted(Context context, String... data) {
+        RemoveFileRule.Result result = new RemoveFileRule.Result(context, data[FILENAME]);
+        ReadOnlyFile file = context.getFile(result.getFileName());
+
+        if (file != null) {
+            String extendedFileName = context.getHashedFileName(result.getFileName());
+            context.putDataString("fileName", result.getFileName());
+            result.setResultCommand(protocolRep.executeWriter(context, EraseFileRule.NAME, extendedFileName), ResultCmdReceiver.STOREBACKEND);
+
+            // Précision du store back end demandé pour traiter cette commande.
+            String requestDomain = extractRequestDomain(file.getStorageIterator());
+            result.setRequestDomain(requestDomain);
+        } else {
+            result.setResultCommand(protocolRep.executeWriter(context, RemoveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        }
+
+        return result;
+    }
+
+    @Override
+    protected ProtocolReader.ProtocolResult onError(Context context) {
+        ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
+        result.setResultCommand(protocolRep.executeWriter(context, RemoveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+
+    /**
+     * TODO : But futur est de pouvoir en avoir plusieurs
+     * Cette méthode permet de choisir le domaine voulu.
+     *
+     * @param storageIterator Les domaines
+     * @return Le domain choisi
+     */
+    private String extractRequestDomain(Iterator<String> storageIterator) {
+        return storageIterator.next();
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/reader/RetrieveErrorRule.java

@@ -0,0 +1,37 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.GetFileErrorRule;
+
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_RETRIEVE_RESULT_ERROR;
+
+public class RetrieveErrorRule extends ProtocolReader {
+    // Constants
+    //"^RETRIEVE_ERROR\r\n$"
+    private static final String PATTERN = SBE_RETRIEVE_RESULT_ERROR;
+    private static final String NAME = "RETRIEVE_ERROR";
+
+    // Variables
+    private final ProtocolRepository protocolRep;
+
+    // Constructor
+    public RetrieveErrorRule(ProtocolRepository protocolRep) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+    }
+
+    /**
+     * Cette méthode est appelée lors de l'exécution de la règle
+     *
+     * @param context Utilisateur context.
+     * @param data    Paramètres pour créer la commande.
+     */
+    @Override
+    protected ProtocolReader.ProtocolResult onExecuted(Context context, String... data) {
+        ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
+        result.setResultCommand(protocolRep.executeWriter(context, GetFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/reader/RetrieveOkRule.java

@@ -0,0 +1,103 @@
+package lightcontainer.protocol.rules.reader;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.interfaces.ProtocolRepository;
+import lightcontainer.protocol.ProtocolReader;
+import lightcontainer.protocol.rules.writer.GetFileErrorRule;
+import lightcontainer.protocol.rules.writer.GetFileOkRule;
+import lightcontainer.utils.FileReceiver;
+import lightcontainer.utils.SHA;
+
+import java.io.InputStream;
+
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_RETRIEVE_RESULT_OK;
+
+public class RetrieveOkRule extends ProtocolReader {
+    // Constants
+    //"^RETRIEVE_OK ([A-Za-z0-9.]{50,200}) ([0-9]{1,10}) ([A-Za-z0-9.]{50,200})\r\n$"
+    private static final String PATTERN = SBE_RETRIEVE_RESULT_OK;
+    private static final String NAME = "RETRIEVE_OK";
+    // -- arguments
+    private static final int HASHED_FILE_NAME = 0; // Index hashed filename
+    private static final int FILE_SIZE = 1; // Index file size
+    private static final int HASHED_FILE_CONTENT = 2; // Index hashed file content
+
+    // Variables
+    private final ProtocolRepository protocolRep;
+    private final String storagePath;
+
+    // Variables
+    public RetrieveOkRule(ProtocolRepository protocolRep, String storagePath) {
+        super(NAME, PATTERN);
+        this.protocolRep = protocolRep;
+        this.storagePath = storagePath;
+    }
+
+    public class Result extends ProtocolResult {
+        // Variables
+        private final String filename;
+        private final long filesize;
+        private final String hashedFileContent;
+
+        public Result(Context context, String filename, long filesize, String hashedFileContent) {
+            super(context);
+            this.filename = filename;
+            this.filesize = filesize;
+            this.hashedFileContent = hashedFileContent;
+        }
+
+        public String getFilename() {
+            return filename;
+        }
+
+        public long getFilesize() {
+            return filesize;
+        }
+
+        /**
+         * @param reader Buffer rempli du fichier
+         */
+        @Override
+        public void read(InputStream reader) {
+            super.read(reader);
+
+            try {
+                FileReceiver fileReceiver = new FileReceiver(storagePath);
+                if (!fileReceiver.receiveFile(reader, this.filename, this.filesize)) {
+                    throw new IllegalStateException("Bad file reception");
+                }
+                if (!SHA.hashFile(storagePath, this.filename).equals(this.hashedFileContent)) {
+                    throw new IllegalStateException("File hash content are not equals");
+                }
+            } catch (IllegalStateException|SHA.ShaException e) {
+                this.setResultCommand(protocolRep.executeWriter(getContext(), GetFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+            }
+        }
+    }
+
+    /**
+     * Cette méthode est appelée lors de l'exécution de la règle
+     *
+     * @param context Utilisateur context.
+     * @param data    Paramètres pour créer la commande.
+     */
+    @Override
+    protected RetrieveOkRule.Result onExecuted(Context context, String... data) {
+        RetrieveOkRule.Result result = new RetrieveOkRule.Result(context, data[HASHED_FILE_NAME], Integer.parseInt(data[FILE_SIZE]), data[HASHED_FILE_CONTENT]);
+
+        // save encrypted file size into bundle
+        context.putDataLong("encryptedFileSize", result.getFilesize()); // TODO to long ?!
+        context.putDataString("hashedFileName", result.getFilename());
+
+        // Set result command
+        result.setResultCommand(protocolRep.executeWriter(context, GetFileOkRule.NAME, context.getDataString("fileName"), String.valueOf(context.getDataLong("fileSize"))), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+
+    @Override
+    protected ProtocolReader.ProtocolResult onError(Context context) {
+        ProtocolResult result = new ProtocolResult(context);
+        result.setResultCommand(protocolRep.executeWriter(context, GetFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
+        return result;
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/reader/SavefileRule.java

@@ -4,17 +4,16 @@ import lightcontainer.domains.client.Context;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.writer.SaveFileErrorRule;
-import lightcontainer.protocol.rules.writer.SaveFileOkRule;
 import lightcontainer.protocol.rules.writer.SendfileRule;
 import lightcontainer.utils.AES_GCM;
 import lightcontainer.utils.FileReceiver;
 import lightcontainer.utils.SHA;
 import lightcontainer.utils.ShaHasher;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.security.NoSuchAlgorithmException;
+
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_SAVE_FILE;
 
 /**
  * Règle permettant de sauvegarder un fichier sur le SBE.
@@ -22,15 +21,16 @@ import java.security.NoSuchAlgorithmException;
  */
 public class SavefileRule extends ProtocolReader {
     // Constants
-    private static final String PATTERN = "^SAVEFILE ([^ !]{1,20}) ([0-9]{1,10})\r\n$";
+    //"^SAVEFILE ([^ !]{1,20}) ([0-9]{1,10})\r\n$"
+    private static final String PATTERN = CLIENT_SAVE_FILE;
 
     private static final String NAME = "SAVEFILE";
 
     private static final int FILE_NAME = 0; // Index file name.
     private static final int FILE_SIZE = 1; // Index file size.
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
-    private String storagePath;
+    private final String storagePath;
 
     // Constructor
     public SavefileRule(ProtocolRepository protocolRep, String storagePath) {
@@ -42,10 +42,10 @@ public class SavefileRule extends ProtocolReader {
     public class Result extends ProtocolResult {
         // Variables
         private String filename;
-        private int size;
+        private final long size;
 
         // Construct
-        public Result(Context context, String filename, int size) {
+        public Result(Context context, String filename, long size) {
             super(context);
             this.filename = filename;
             this.size = size;
@@ -54,7 +54,6 @@ public class SavefileRule extends ProtocolReader {
         @Override
         public void read(InputStream reader) {
             super.read(reader);
-            System.out.printf("Sauvegarde du fichier : %s %d\n", filename, size);
 
             if (getContext().canAddFile()) {
                 try {
@@ -73,20 +72,19 @@ public class SavefileRule extends ProtocolReader {
                     String iv = AES_GCM.generateIV();
 
                     // retrieve file and new size
-                    int encryptedFileSize = fileReceiver.receiveFile(reader, this.filename, this.size, key, iv);
+                    long encryptedFileSize = fileReceiver.receiveFile(reader, this.filename, this.size, key, iv);
                     if (encryptedFileSize < 0) throw new IOException();
 
                     String fileHash = SHA.hashFile(storagePath, this.filename);
 
                     // On met les données de la requête actuelle
-                    getContext().putDataInt("size", size);
+                    getContext().putDataLong("size", size);
                     getContext().putDataString("iv", iv);
                     getContext().putDataString("fileNameSalt", fileNameSalt);
 
                     this.setResultCommand(protocolRep.executeWriter(getContext(), SendfileRule.NAME, this.filename, String.valueOf(encryptedFileSize), fileHash), ResultCmdReceiver.STOREBACKEND);
                 } catch (IOException | SHA.ShaException e) {
                     this.setResultCommand(protocolRep.executeWriter(getContext(), SaveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
-                    e.printStackTrace();
                 }
             } else {
                 this.setResultCommand(protocolRep.executeWriter(getContext(), SaveFileErrorRule.NAME), ResultCmdReceiver.CLIENT);
@@ -102,6 +100,8 @@ public class SavefileRule extends ProtocolReader {
     @Override
     protected SavefileRule.Result onExecuted(Context context, String... data) {
         SavefileRule.Result result = new SavefileRule.Result(context, data[FILE_NAME], Integer.parseInt(data[FILE_SIZE]));
+
+
         return result;
     }
 

app/src/main/java/lightcontainer/protocol/rules/reader/SendErrorRule.java

@@ -4,20 +4,20 @@ import lightcontainer.domains.client.Context;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.writer.SaveFileErrorRule;
-import lightcontainer.protocol.rules.writer.SaveFileOkRule;
+
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_SEND_RESULT_ERROR;
 
 /**
  * Règle permettant de de confirmer la sauvegrade d'un fichier.
  */
 public class SendErrorRule extends ProtocolReader {
-
-
     // Constants
-    private static final String PATTERN = "^SEND_ERROR\r\n$";
+    //"^SEND_ERROR\r\n$"
+    private static final String PATTERN = SBE_SEND_RESULT_ERROR;
 
-    private static final String NAME = "SEND_ERROR";
+    private static final String NAME = "SENDERROR";
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     // Constructor
     public SendErrorRule(ProtocolRepository protocolRep) {
@@ -25,7 +25,6 @@ public class SendErrorRule extends ProtocolReader {
         this.protocolRep = protocolRep;
     }
 
-
     @Override
     protected ProtocolResult onExecuted(Context context, String... data) {
         ProtocolResult result = new ProtocolResult(context);

app/src/main/java/lightcontainer/protocol/rules/reader/SendOkRule.java

@@ -5,17 +5,20 @@ import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.writer.SaveFileOkRule;
 
+import static lightcontainer.protocol.StandardizedDefinitions.SBE_SEND_RESULT_OK;
+
 /**
  * Règle permettant de de confirmer la sauvegrade d'un fichier.
  */
 public class SendOkRule extends ProtocolReader {
 
     // Constants
-    private static final String PATTERN = "^SEND_OK\r\n$";
+    //"^SEND_OK\r\n$"
+    private static final String PATTERN = SBE_SEND_RESULT_OK;
 
     private static final String NAME = "SEND_OK";
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     // Constructor
     public SendOkRule(ProtocolRepository protocolRep) {
@@ -23,16 +26,10 @@ public class SendOkRule extends ProtocolReader {
         this.protocolRep = protocolRep;
     }
 
-
     @Override
-    protected ProtocolReader.ProtocolResult onExecuted(Context context, String... data) {
+    protected ProtocolResult onExecuted(Context context, String... data) {
         ProtocolReader.ProtocolResult result = new ProtocolReader.ProtocolResult(context);
         result.setResultCommand(protocolRep.executeWriter(context, SaveFileOkRule.NAME), ResultCmdReceiver.CLIENT);
-
-        // Sauvegarder dans JSON
-        System.out.println("Save en json du fichier");
-        context.addFile(context.getDataString("fileName"), context.getDataString("fileNameSalt"), context.getDataInt("size"), context.getDataString("iv"), context.getDomain());
-
         return result;
     }
 }

app/src/main/java/lightcontainer/protocol/rules/reader/SigninRule.java

@@ -6,19 +6,22 @@ import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.writer.SignErrorRule;
 import lightcontainer.protocol.rules.writer.SignOkRule;
 
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_SIGN_IN;
+
 /**
  * Règle permettant de gérer la connection d'un utilisateur
  */
 public class SigninRule extends ProtocolReader {
     // Constants
-    private static final String PATTERN = "^SIGNIN ([A-Za-z0-9]{5,20}) ([^ !]{5,50})\r\n$";
+    //"^SIGNIN ([A-Za-z0-9]{5,20}) ([^ !]{5,50})\r\n$"
+    private static final String PATTERN = CLIENT_SIGN_IN;
 
     private static final String NAME = "SIGNIN";
 
     private static final int LOGIN = 0;  // Index du domain dans le tableau de données
     private static final int PASSWORD = 1;  // Index du port dans le tableau de données
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     // Constructor
     public SigninRule(ProtocolRepository protocolRep) {

app/src/main/java/lightcontainer/protocol/rules/reader/SignoutRule.java

@@ -3,12 +3,14 @@ package lightcontainer.protocol.rules.reader;
 import lightcontainer.domains.client.Context;
 import lightcontainer.protocol.ProtocolReader;
 
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_SIGN_OUT;
+
 /**
  * Règle demandant la déconnexion du client
  */
 public class SignoutRule extends ProtocolReader {
-
+    //"^SIGNOUT\r\n$"
-    private static final String PATTERN = "^SIGNOUT\r\n$";
+    private static final String PATTERN = CLIENT_SIGN_OUT;
 
     public static final String NAME = "SIGNOUT";
 

app/src/main/java/lightcontainer/protocol/rules/reader/SignupRule.java

@@ -6,17 +6,20 @@ import lightcontainer.protocol.ProtocolReader;
 import lightcontainer.protocol.rules.writer.SignErrorRule;
 import lightcontainer.protocol.rules.writer.SignOkRule;
 
+import static lightcontainer.protocol.StandardizedDefinitions.CLIENT_SIGN_UP;
+
 /**
  * Règle permettant de gérer la création d'un utilisateur
  */
 public class SignupRule extends ProtocolReader {
     // Constants
-    private static final String PATTERN = "^SIGNUP ([A-Za-z0-9]{5,20}) ([^ !]{5,50})\r\n$";
+    //"^SIGNUP ([A-Za-z0-9]{5,20}) ([^ !]{5,50})\r\n$"
+    private static final String PATTERN = CLIENT_SIGN_UP;
     private static final String NAME = "SIGNUP";
     private static final int LOGIN = 0;
     private static final int PASSWORD = 1;
 
-    private ProtocolRepository protocolRep;
+    private final ProtocolRepository protocolRep;
 
     public SignupRule(ProtocolRepository protocolRep) {
         super(NAME, PATTERN);

app/src/main/java/lightcontainer/protocol/rules/writer/EraseFileRule.java

@@ -0,0 +1,18 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.protocol.ProtocolWriter;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_ERASE_FILE;
+
+public class EraseFileRule extends ProtocolWriter {
+
+    //"^ERASEFILE ([A-Za-z0-9.]{50,200})\r\n$"
+    private static final String PATTERN = FFE_ERASE_FILE;
+
+    public static String NAME = "ERASEFILE";
+
+
+    public EraseFileRule() {
+        super(NAME, PATTERN);
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/FilesRule.java

@@ -2,12 +2,14 @@ package lightcontainer.protocol.rules.writer;
 
 import lightcontainer.protocol.ProtocolWriter;
 
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_FILE_LIST_RESULT;
+
 /**
  * Règle permettant de construire une commande contenant la liste des fichiers d'un utilisateur
  */
 public class FilesRule extends ProtocolWriter {
-
+    //"^FILES( ([^ !]{1,20})!([0-9]{1,10})){0,50}\r\n$"
-    private static final String PATTERN = "^FILES( ([^ !]{1,20})!([0-9]{1,10})){0,50}\r\n$";
+    private static final String PATTERN = FFE_FILE_LIST_RESULT;
 
     public static final String NAME = "FILES";
 

app/src/main/java/lightcontainer/protocol/rules/writer/GetFileErrorRule.java

@@ -0,0 +1,37 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.utils.DeepFileEraser;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_GET_FILE_RESULT_ERROR;
+
+/**
+ * Règle utilisé dans le cas ou une erreur survient lors
+ * de la demande de récupération d'un fichier.
+ */
+public class GetFileErrorRule extends ProtocolWriter {
+    // Constants
+    //"^GETFILE_ERROR\r\n$"
+    private static final String PATTERN = FFE_GET_FILE_RESULT_ERROR;
+    public static final String NAME = "GETFILE_ERROR";
+
+    // Variables
+    private final String storagePath;
+
+    // Constructors
+    public GetFileErrorRule(String storagePath) {
+        super(NAME, PATTERN);
+        this.storagePath = storagePath;
+    }
+
+    @Override
+    protected ProtocolResult onExecuted(Context context, String... data) {
+        // Delete the file
+        try {
+            DeepFileEraser.eraseFile(String.format("%s/%s", storagePath, context.getDataString("hashedFileName")));
+        } catch (DeepFileEraser.DeepFileEraserException ignore) { }
+        // Return new protocol result
+        return new ProtocolResult(context);
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/GetFileOkRule.java

@@ -0,0 +1,69 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.domains.client.Context;
+import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.utils.DeepFileEraser;
+import lightcontainer.utils.FileSender;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_GET_FILE_RESULT_OK;
+
+public class GetFileOkRule extends ProtocolWriter {
+    // Constants
+    //"^GETFILE_OK ([^ !]{1,20}) ([0-9]{1,10})\r\n$"
+    private static final String PATTERN = FFE_GET_FILE_RESULT_OK;
+    public static final String NAME = "GETFILE_OK";
+    // -- params
+    private static final int FILE_NAME = 0;  // Index file name hashed
+    private static final int FILE_SIZE = 1;  // Index file size
+
+    // Variables
+    private final String storagePath;
+
+    // Constructors
+    public GetFileOkRule(String storagePath) {
+        super(NAME, PATTERN);
+        this.storagePath = storagePath;
+    }
+
+    public class Result extends ProtocolWriter.ProtocolResult {
+        // Variables
+        private final String filename;
+        private final long filesize;
+
+        // Constructors
+        public Result(Context context, String filename, long filesize) {
+            super(context);
+            this.filename = filename;
+            this.filesize = filesize;
+        }
+
+        /**
+         * Oh yeahh baby by tonton EndMove ;-)
+         *
+         * @param writer Buffer à remplir qui sera envoyer via le réseau
+         */
+        @Override
+        public void write(OutputStream writer) throws IOException {
+            FileSender fileSender = new FileSender(storagePath);
+            fileSender.sendFile(
+                    getContext().getDataString("hashedFileName"),
+                    writer,
+                    getContext().getDataLong("encryptedFileSize"), // Encrypted file size (because data is parsing into AES system)
+                    getContext().getAesKey(),
+                    getContext().getDataString("fileIV")
+            );
+
+            try {
+                DeepFileEraser.eraseFile(String.format("%s/%s", storagePath, getContext().getDataString("hashedFileName")));
+            } catch (DeepFileEraser.DeepFileEraserException ignore) { }
+        }
+    }
+
+    @Override
+    protected GetFileOkRule.Result onExecuted(Context context, String... data) {
+        return new GetFileOkRule.Result(context, data[FILE_NAME], Integer.parseInt(data[FILE_SIZE]));
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/RemoveFileErrorRule.java

@@ -0,0 +1,17 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.protocol.ProtocolWriter;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_REMOVE_ERROR;
+
+public class RemoveFileErrorRule extends ProtocolWriter {
+
+    //"^REMOVEFILE_ERROR\r\n$"
+    private static final String PATTERN = FFE_REMOVE_ERROR;
+
+    public static String NAME = "REMOVEFILE_ERROR";
+
+    public RemoveFileErrorRule() {
+        super(NAME, PATTERN);
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/RemoveFileOkRule.java

@@ -0,0 +1,15 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.protocol.ProtocolWriter;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_REMOVE_OK;
+
+public class RemoveFileOkRule extends ProtocolWriter {
+    //"^REMOVEFILE_OK\r\n$"
+    private static final String PATTERN = FFE_REMOVE_OK;
+    public static String NAME = "REMOVEFILE_OK";
+
+    public RemoveFileOkRule() {
+        super(NAME, PATTERN);
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/RetrieveFileRule.java

@@ -0,0 +1,17 @@
+package lightcontainer.protocol.rules.writer;
+
+import lightcontainer.protocol.ProtocolWriter;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_RETRIEVE_FILE;
+
+public class RetrieveFileRule extends ProtocolWriter {
+    // Constants
+    //"^RETRIEVEFILE ([A-Za-z0-9]{50,200})\r\n$"
+    private static final String PATTERN = FFE_RETRIEVE_FILE;
+    public static final String NAME = "RETRIEVEFILE";
+
+    // Constructor
+    public RetrieveFileRule() {
+        super(NAME, PATTERN);
+    }
+}

app/src/main/java/lightcontainer/protocol/rules/writer/SaveFileErrorRule.java

@@ -1,18 +1,44 @@
 package lightcontainer.protocol.rules.writer;
 
+import lightcontainer.domains.client.Context;
 import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.utils.DeepFileEraser;
+import lightcontainer.utils.ShaHasher;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_SAVE_FILE_ERROR;
 
 /**
  * Règle signifiant que la sauvegarde d'un fichier a échoué
  */
 public class SaveFileErrorRule extends ProtocolWriter {
-
+    //"^SAVEFILE_ERROR\r\n$"
-    private static final String PATTERN = "^SAVEFILE_ERROR\r\n$";
+    private static final String PATTERN = FFE_SAVE_FILE_ERROR;
 
     public static final String NAME = "SAVEFILE_ERROR";
 
-    public SaveFileErrorRule() {
+    private final String storagePath;
+
+    public SaveFileErrorRule(String storagePath) {
         super(NAME, PATTERN);
+        this.storagePath = storagePath;
     }
 
+
+    @Override
+    protected ProtocolResult onExecuted(Context context, String... data) {
+        ProtocolResult result = new ProtocolResult(context);
+        String fileName = context.getDataString("fileName");
+        String fileNameSalt = context.getDataString("fileNameSalt");
+
+        if (fileName != null && fileNameSalt != null) {
+            // Suppression du fichier temporaire dans le stockage du FFE
+            ShaHasher hasher = new ShaHasher(context.getLogin() + "_" + context.getDataString("fileName"));
+            try {
+                DeepFileEraser.eraseFile(String.format("%s/%s", this.storagePath,
+                        hasher.fromSalt(hasher.saltToByte(context.getDataString("fileNameSalt")))));
+            } catch (DeepFileEraser.DeepFileEraserException ignore) {
+            }
+        }
+        return result;
+    }
 }

app/src/main/java/lightcontainer/protocol/rules/writer/SaveFileOkRule.java

@@ -1,18 +1,40 @@
 package lightcontainer.protocol.rules.writer;
 
+import lightcontainer.domains.client.Context;
 import lightcontainer.protocol.ProtocolWriter;
+import lightcontainer.utils.DeepFileEraser;
+
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_SAVE_FILE_OK;
 
 /**
  * Règle signifiant que la sauvegarde d'un fichier fût un succès
  */
 public class SaveFileOkRule extends ProtocolWriter {
-
+    //"^SAVEFILE_OK\r\n$"
-    private static final String PATTERN = "^SAVEFILE_OK\r\n$";
+    private static final String PATTERN = FFE_SAVE_FILE_OK;
 
     public static final String NAME = "SAVEFILE_OK";
 
-    public SaveFileOkRule() {
+    private final String storagePath;
+
+    public SaveFileOkRule(String storagePath) {
         super(NAME, PATTERN);
+        this.storagePath = storagePath;
     }
 
+    @Override
+    protected ProtocolWriter.ProtocolResult onExecuted(Context context, String... data) {
+        ProtocolWriter.ProtocolResult result = new ProtocolWriter.ProtocolResult(context);
+
+        // Sauvegarder dans JSON
+        context.addFile(context.getDataString("fileName"), context.getDataString("fileNameSalt"), context.getDataLong("size"), context.getDataString("iv"), context.getDomain());
+
+        // Suppression du fichier temporaire dans le stockage du FFE
+        String hashedFileName = context.getHashedFileName(context.getDataString("fileName"));
+
+        try {
+            DeepFileEraser.eraseFile(String.format("%s/%s", storagePath, hashedFileName));
+        } catch (DeepFileEraser.DeepFileEraserException ignore) { }
+        return result;
+    }
 }

app/src/main/java/lightcontainer/protocol/rules/writer/SendfileRule.java

@@ -4,14 +4,17 @@ import lightcontainer.domains.client.Context;
 import lightcontainer.protocol.ProtocolWriter;
 import lightcontainer.utils.FileSender;
 
+import java.io.IOException;
 import java.io.OutputStream;
 
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_SENDFILE;
+
 /**
  * Règle envoyée au SBE, demandant la sauvegarde d'un fichier.
  */
 public class SendfileRule extends ProtocolWriter {
-
+    //"^SENDFILE [A-Za-z0-9]{50,200} [0-9]{1,10} [A-Za-z0-9]{50,200}\r\n$"
-    private static final String PATTERN = "^SENDFILE [A-Za-z0-9.]{0,200} [0-9]{1,10} [A-Za-z0-9.]{50,200}\r\n$";
+    private static final String PATTERN = FFE_SENDFILE;
 
     public static final String NAME = "SENDFILE";
 
@@ -19,7 +22,7 @@ public class SendfileRule extends ProtocolWriter {
     private static final int FILE_SIZE = 1; // Index file size.
     private static final int HASHED_FILE_CONTENT = 2; // Index file content hashed.
 
-    private String storagePath;
+    private final String storagePath;
 
     public SendfileRule(String storagePath) {
         super(NAME, PATTERN);
@@ -29,10 +32,10 @@ public class SendfileRule extends ProtocolWriter {
     public class Result extends ProtocolWriter.ProtocolResult {
 
         private final String hashedFileName;
-        private final int fileSize;
+        private final long fileSize;
         private final String hashedFileContent;
 
-        public Result(Context context, String hashedFileName, int fileSize, String hashedFileContent) {
+        public Result(Context context, String hashedFileName, long fileSize, String hashedFileContent) {
             super(context);
             this.hashedFileName = hashedFileName;
             this.fileSize = fileSize;
@@ -40,19 +43,14 @@ public class SendfileRule extends ProtocolWriter {
         }
 
         @Override
-        public void write(OutputStream writer) {
+        public void write(OutputStream writer) throws IOException {
             super.write(writer);
-            System.out.println("Envoie du fichier au SBE");
-
 
             FileSender fileSender = new FileSender(storagePath);
             fileSender.sendFile(hashedFileName, writer);
-
-            // TODO : Supprimer le fichier du FFE
         }
     }
 
-
     @Override
     protected SendfileRule.Result onExecuted(Context context, String... data) {
         return new SendfileRule.Result(context, data[HASHED_FILE_NAME], Integer.parseInt(data[FILE_SIZE]), data[HASHED_FILE_CONTENT]);

app/src/main/java/lightcontainer/protocol/rules/writer/SignErrorRule.java

@@ -2,12 +2,14 @@ package lightcontainer.protocol.rules.writer;
 
 import lightcontainer.protocol.ProtocolWriter;
 
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_SIGN_ERROR;
+
 /**
  * Règle renvoyée au client lorsque l'authentification a échoué.
  */
 public class SignErrorRule extends ProtocolWriter {
-
+    //"^SIGN_ERROR\r\n$"
-    private static final String PATTERN = "^SIGN_ERROR\r\n$";
+    private static final String PATTERN = FFE_SIGN_ERROR;
 
     public static final String NAME = "SIGN_ERROR";
 

app/src/main/java/lightcontainer/protocol/rules/writer/SignOkRule.java

@@ -2,12 +2,14 @@ package lightcontainer.protocol.rules.writer;
 
 import lightcontainer.protocol.ProtocolWriter;
 
+import static lightcontainer.protocol.StandardizedDefinitions.FFE_SIGN_OK;
+
 /**
  * Règle renvoyée au client lorsque l'authentification a réusie.
  */
 public class SignOkRule extends ProtocolWriter {
-
+    //"^SIGN_OK\r\n$"
-    private static final String PATTERN = "^SIGN_OK\r\n$";
+    private static final String PATTERN = FFE_SIGN_OK;
 
     public static final String NAME = "SIGN_OK";
 

app/src/main/java/lightcontainer/repository/ClientHandlerRepository.java

@@ -8,18 +8,18 @@ import lightcontainer.protocol.ProtocolWriter;
 import java.util.ArrayList;
 import java.util.List;
 // TODO : C'est genre un ClientHandlerManager quoi hein, normal qu'il fasse blinder de chose ;)
+
 /**
  * ClientHandlerRepository
- *
+ * <p>
  * Repository storing ClientHandler class.
  * Contains some utility functions.
  *
- * @version     1.0
+ * @author Jérémi NIHART <j.nihart@student.helmo.be>
- * @since       1.0
+ * @version 1.0
- *
+ * @see ClientHandler
- * @see         ClientHandler
+ * @see AutoCloseable
- * @see         AutoCloseable
+ * @since 1.0
- * @author      Jérémi NIHART <j.nihart@student.helmo.be>
  */
 public class ClientHandlerRepository implements AutoCloseable, UnicastCHR {
     // Variable
@@ -34,9 +34,9 @@ public class ClientHandlerRepository implements AutoCloseable, UnicastCHR {
     /**
      * Setter, allow to define the ServerListener of a repository.
      * & Start the server.
-     * @param server ServerListener to set as default.
      *
-     * @since       1.0
+     * @param server ServerListener to set as default.
+     * @since 1.0
      */
     @Override
     public void setServerListener(UnicastServerListener server) {
@@ -46,15 +46,31 @@ public class ClientHandlerRepository implements AutoCloseable, UnicastCHR {
 
     /**
      * Add a ClientHandler.
-     * @param client Client Handler to add.
      *
-     * @since       1.0
+     * @param client Client Handler to add.
+     * @since 1.0
      */
     @Override
     public void addClient(ClientHandler client) {
         this.handlers.add(client);
     }
 
+    /**
+     * Permet de savoir si un client est déjà connecté avec ce login.
+     *
+     * @param login Login du client.
+     */
+    @Override
+    public boolean hasClient(String login) {
+        for (ClientHandler client : handlers) {
+            if (client.getLogin() != null && client.getLogin().equals(login)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
     @Override
     public void disconnect(ClientHandler client) {
         if (handlers.remove(client))
@@ -75,7 +91,7 @@ public class ClientHandlerRepository implements AutoCloseable, UnicastCHR {
      * AutoClosable Function
      * Closes all ClientHandlers stored in this repository and deallocates all resources.
      *
-     * @since       1.0
+     * @since 1.0
      */
     @Override
     public void close() {

app/src/main/java/lightcontainer/repository/FileFrontEnd.java

@@ -1,9 +1,8 @@
 package lightcontainer.repository;
 
+import lightcontainer.domains.Task;
 import lightcontainer.domains.client.Context;
 import lightcontainer.domains.client.StoreProcessor;
-import lightcontainer.domains.Task;
-import lightcontainer.enumerations.TaskStatus;
 import lightcontainer.interfaces.ClientHandlerFFE;
 import lightcontainer.interfaces.ProtocolRepository;
 import lightcontainer.interfaces.StoreProcessorFFE;
@@ -15,9 +14,9 @@ import java.util.concurrent.ConcurrentLinkedDeque;
 
 public class FileFrontEnd implements ClientHandlerFFE, StoreProcessorFFE {
     // Variables
-    private Deque<Task> tasks = new ConcurrentLinkedDeque<>();
+    private final Deque<Task> tasks = new ConcurrentLinkedDeque<>();
-    private ClientHandlerRepository clientRepository; // TODO -> pourquoi pas une interface ? end
+    private final ClientHandlerRepository clientRepository; // TODO -> pourquoi pas une interface ? end
-    private StoreProcessorRepository storeRepository; // TODO -> pourquoi pas une interface ? end
+    private final StoreProcessorRepository storeRepository; // TODO -> pourquoi pas une interface ? end
     private ProtocolRepository protocolRepository;
 
     // Constructor
@@ -32,7 +31,7 @@ public class FileFrontEnd implements ClientHandlerFFE, StoreProcessorFFE {
      */
     public void alertStoreProcessors(Task task) {
         // On avertit les stor processors d'une nouvelle tâche
-        String stor = storeRepository.findDomain(task);
+        String stor = storeRepository.findDomain();
         if (stor != null) {
             storeRepository.assignTask(stor, task);
             task.setDomain(stor);
@@ -42,44 +41,60 @@ public class FileFrontEnd implements ClientHandlerFFE, StoreProcessorFFE {
     /**
      * Permet à un {@link StoreProcessor} d'avertir le FFE qu'il est disponible
      *
-     * @param store Le SBE qui s'est occupé de la tâche
+     * @param storeDomain Le SBE qui s'est occupé de la tâche
      * @param response La réponse à envoyer au client
      */
     @Override
-    public void onStoreAvailable(StoreProcessor store, ProtocolWriter.ProtocolResult response) {
+    public void onStoreAvailable(String storeDomain, ProtocolWriter.ProtocolResult response) {
-        // TODO : Chercher une tâche appropriée
+        responseToClient(storeDomain, response);
-        if (response != null) {
-            Iterator<Task> it = tasks.iterator();
-            while (it.hasNext()) {
-                Task task = it.next();
-                if (task.isResponseOfClient(store.getDomain())) {
-                    clientRepository.respondToClient(task.getClient(), response);
-                    it.remove(); // Suppression de la tâche
-                    break;
-                }
-            }
-        }
 
-        assignOtherTask(store);
-    }
-
-    private void assignOtherTask(StoreProcessor store) {
         Iterator<Task> it = tasks.iterator();
-
         while (it.hasNext()) {
             Task task = it.next();
-            if (store.canProcessTask(task)) {
+            if (task.getDomain() == null || task.getDomain().equals(storeDomain)) { // Si tâche sans domaine ou si domaine requis pour la tâche est le domaine
-                storeRepository.assignTask(store.getDomain(), task);
+                task.setDomain(storeDomain);
-                task.setDomain(store.getDomain());
+                storeRepository.assignTask(storeDomain, task);
+                return;
+            }
+        }
+    }
+
+    @Override
+    public void onStoreDisconnect(String domain) {
+        responseToClient(domain, null);
+        Iterator<Task> it = tasks.iterator();
+        while (it.hasNext()) {
+            Task task = it.next();
+            if (storeRepository.domainCount() == 0 || (task.getDomain() != null && task.getDomain().equals(domain))) {
+                clientRepository.respondToClient(it.next().getClient(), null);
+                it.remove(); // Suppression de la tâche
+            }
+        }
+        this.storeRepository.closeStore(domain);
+    }
+
+    private void responseToClient(String storeDomain, ProtocolWriter.ProtocolResult response) {
+        Iterator<Task> it = tasks.iterator();
+        while (it.hasNext()) {
+            Task task = it.next();
+            if (task.isResponseOfClient(storeDomain)) {
+                clientRepository.respondToClient(task.getClient(), response);
+                it.remove(); // Suppression de la tâche
+                break;
             }
         }
     }
 
 
     @Override
-    public void newCommand(Context context, ProtocolWriter.ProtocolResult command) {
+    public void newCommand(Context context, ProtocolWriter.ProtocolResult command, String requestDomain) {
-        Task task = Task.newInstance(context, command);
+        Task task = Task.newInstance(context, command, requestDomain);
         tasks.add(task);
         alertStoreProcessors(task);
     }
+
+    @Override
+    public boolean canExecuteCommand(String domain) {
+        return domain == null ? storeRepository.domainCount() > 0 : storeRepository.hasDomain(domain);
+    }
 }

app/src/main/java/lightcontainer/repository/ProtocolRepositoryImpl.java

@@ -31,7 +31,6 @@ public class ProtocolRepositoryImpl implements ProtocolRepository {
                 return command;
             }
         }
-        System.out.println("COMMANDE NULL");
         return null;
     }
 

app/src/main/java/lightcontainer/repository/ReadOnlyClientRepository.java

@@ -0,0 +1,12 @@
+package lightcontainer.repository;
+
+public interface ReadOnlyClientRepository {
+
+    /**
+     * Permet de savoir si un client est déjà connecté avec ce login.
+     *
+     * @param login Login du client.
+     */
+    boolean hasClient(String login);
+
+}

app/src/main/java/lightcontainer/repository/StoreProcessorRepository.java

@@ -5,20 +5,22 @@ import lightcontainer.domains.client.StoreProcessor;
 import lightcontainer.domains.server.MulticastServerListener;
 import lightcontainer.interfaces.MulticastSPR;
 
+import java.time.LocalDateTime;
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 // TODO : C'est genre un ClientHandlerManager quoi hein, normal qu'il fasse blinder de chose ;)
+
 /**
  * StoreProcessorRepository
- *
+ * <p>
  * Repository storing StorePorcessor class.
  * Contains some utility functions.
  *
- * @version     1.0
+ * @author Jérémi NIHART <j.nihart@student.helmo.be>
- * @since       1.0
+ * @version 1.0
- *
+ * @see StoreProcessor
- * @see         StoreProcessor
+ * @since 1.0
- * @author      Jérémi NIHART <j.nihart@student.helmo.be>
  */
 public class StoreProcessorRepository implements AutoCloseable, MulticastSPR {
     // Variables
@@ -33,9 +35,9 @@ public class StoreProcessorRepository implements AutoCloseable, MulticastSPR {
     /**
      * Setter, allow to define the ServerListener of a repository.
      * & start the server.
-     * @param server ServerListener to set as default.
      *
-     * @since       1.0
+     * @param server ServerListener to set as default.
+     * @since 1.0
      */
     @Override
     public void setServerListener(MulticastServerListener server) {
@@ -45,25 +47,38 @@ public class StoreProcessorRepository implements AutoCloseable, MulticastSPR {
 
     /**
      * Add a StorePorcessor.
-     * @param store Store processor to add.
      *
-     * @since       1.0
+     * @param store Store processor to add.
+     * @since 1.0
      */
     @Override
-    public void addStore(StoreProcessor store) {
+    public boolean addStore(StoreProcessor store) {
-        this.handlers.add(store);
+        if (!this.hasDomain(store.getDomain())) {
-
+            store.start();
+            return this.handlers.add(store);
+        }
+        return false;
     }
 
     @Override
-    public String findDomain(Task task) {
+    public String findDomain() {
-        StoreProcessor handler = findSBE(task);
+        StoreProcessor handler = findSBE();
         return handler == null ? null : handler.getDomain();
     }
 
-    private StoreProcessor findSBE(Task task) {
+    private StoreProcessor findSBE() {
         for (StoreProcessor handler : handlers) {
-            if (handler.canProcessTask(task)) {
+            if (handler.canProcessTask()) {
+                return handler;
+            }
+        }
+
+        return null;
+    }
+
+    private StoreProcessor getSBE(String stor) {
+        for (StoreProcessor handler : handlers) {
+            if (handler.getDomain().equals(stor)) {
                 return handler;
             }
         }
@@ -73,16 +88,95 @@ public class StoreProcessorRepository implements AutoCloseable, MulticastSPR {
 
     @Override
     public void assignTask(String stor, Task task) {
-        StoreProcessor handler = findSBE(task);
+        StoreProcessor handler = getSBE(stor);
-        System.out.println("Find stor : " + handler);
+        if (handler != null) {
-        handler.executeCommand(task.getContext(), task.getCommand());
+            handler.executeCommand(task.getContext(), task.getCommand());
+        }
+    }
+
+    @Override
+    public boolean hasDomain(String domain) {
+        for (StoreProcessor handler : handlers) {
+            if (handler.getDomain().equals(domain)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public int domainCount() {
+        return handlers.size();
+    }
+
+    @Override
+    public void disconnectDomains() {
+        for (StoreProcessor handler : handlers) {
+            handler.close();
+        }
+    }
+
+    /**
+     * Permet de déconnecter un SBE
+     *
+     * @param domain Le domaine du SBE à déconnecter
+     */
+    @Override
+    public void closeStore(String domain) {
+        StoreProcessor storeProcessor = getSBE(domain);
+        if (storeProcessor != null) {
+            storeProcessor.close();
+            handlers.remove(storeProcessor);
+        }
+    }
+
+    /**
+     * Permet de mettre à jours la dernière annonce de ce SBE au FFE
+     *
+     * @param domain Le domain s'annoncant
+     */
+    @Override
+    public void updateLastAnnounce(String domain) {
+        StoreProcessor storeProcessor = getSBE(domain);
+        if (storeProcessor != null) {
+            storeProcessor.setLastAnnounce(LocalDateTime.now());
+        }
+    }
+
+    /**
+     * Permet de récupérer les noms des domaines connectés au FFE
+     *
+     * @return Les noms des domaines connectés au FFE
+     */
+    @Override
+    public Collection<String> getDomains() {
+        Set<String> domains = new HashSet<>();
+
+        for (StoreProcessor domain : handlers) {
+            domains.add(domain.getDomain());
+        }
+
+        return domains;
+    }
+
+    /**
+     * Permet de récupérer la dernière annonce d'un SBE
+     *
+     * @param domain
+     * @return La dernière annonce d'un SBE
+     */
+    @Override
+    public LocalDateTime getLastAnnounce(String domain) {
+        StoreProcessor storeProcessor = getSBE(domain);
+        return storeProcessor == null ? null : storeProcessor.getLastAnnounce();
     }
 
     /**
      * AutoClosable Function
      * Closes all StoreProcessor stored in this repository and deallocates all resources.
      *
-     * @since       1.0
+     * @since 1.0
      */
     @Override
     public void close() {
@@ -91,4 +185,7 @@ public class StoreProcessorRepository implements AutoCloseable, MulticastSPR {
         // Close each client.
         this.handlers.forEach(StoreProcessor::close);
     }
+
+
+
 }

app/src/main/java/lightcontainer/storage/AppConfig.java

@@ -90,6 +90,7 @@ public class AppConfig {
 
     /**
      * Méthode permettant de récupérer le chemin de sauvegarde des fichiers
+     *
      * @return Chemin de sauvegarde
      */
     public String getStoragePath() {

app/src/main/java/lightcontainer/storage/AppData.java

@@ -16,12 +16,11 @@ import java.util.Map;
  * @since 1.0
  */
 public class AppData {
-
+    // Variable
     private static AppData instance = null;
     private AppConfig appConfig;
     private final Map<String, User> users;
 
-
     /**
      * Constructs a new instance of AppData.
      * Sets appConfig to null and creates a new Hashmap of users.
@@ -76,14 +75,13 @@ public class AppData {
         return null;
     }
 
-
     /**
      * Use this method when a user signs up.
      *
      * @return True if the user was added. False if a user with the same name already exists.
      */
-    public boolean addUser(String login, String password, String key, String passwordSalt) {
+    public boolean addUser(String login, String password, String key) {
-        User user = new User(login, password, key, passwordSalt, new HashMap<>());
+        User user = new User(login, password, key, new HashMap<>());
         if (this.users.containsKey(user.getName())) {
             return false;
         } else {
@@ -138,6 +136,24 @@ public class AppData {
         }
     }
 
+    /**
+     * Getter, allow to retrieve a specified file object.
+     *
+     * @param fileName The name of the file to retrieve.
+     * @param userName The name of the user who wants to retrieve the file.
+     * @return The requested file matching file name and username, or null
+     * if the user or file do not exist.
+     * @author Unknown...
+     * @see User#getFile(String)
+     * @see File
+     */
+    public File getFileOf(String fileName, String userName) {
+        if (this.users.containsKey(userName)) {
+            return this.users.get(userName).getFile(fileName);
+        }
+        return null;
+    }
+
     /**
      * Call this method after receiving REMOVEFILE_OK from the StorBackEnd.
      * Do NOT call when receiving REMOVEFILE_ERROR, or it will break the system's synchronization.
@@ -171,17 +187,16 @@ public class AppData {
         }
     }
 
+    /**
+     * @param login    The login of the user to test password
+     * @param password The plain text password to try against user's hashed password
+     * @return True if password matches user's password. False if user could not be found or password didn't match
+     */
     public boolean verifyUser(String login, String password) {
         User user = getUser(login);
         return user != null && user.verifyPassword(password);
     }
 
-    public String getUserPasswordSalt(String login) {
-        User user = getUser(login);
-        return user == null ? null : user.getPasswordSalt();
-    }
-
-
     /**
      * Méthode permettant de récupérer la clé AES d'un utilisateur
      *
@@ -192,5 +207,4 @@ public class AppData {
         User user = getUser(login);
         return user == null ? null : user.getAesKey();
     }
-
 }

app/src/main/java/lightcontainer/storage/File.java

@@ -6,15 +6,16 @@ import java.util.Set;
 /**
  * File represents all information related to a file
  */
-public class File {
+public class File implements ReadOnlyFile {
-
+    // Variables
     private final String name;
     private final String fileNameSalt;
-    private final int size;
+    private final long size;
     private final String iv;
     private final Set<String> storage;
 
-    public File(String name, String fileNameSalt, int size, String iv, Set<String> storage) {
+    // Constructor
+    public File(String name, String fileNameSalt, long size, String iv, Set<String> storage) {
         this.name = name;
         this.fileNameSalt = fileNameSalt;
         this.size = size;
@@ -22,22 +23,27 @@ public class File {
         this.storage = storage;
     }
 
+    @Override
     public String getName() {
         return name;
     }
 
+    @Override
     public String getFileNameSalt() {
         return fileNameSalt;
     }
 
-    public int getSize() {
+    @Override
+    public long getSize() {
         return size;
     }
 
+    @Override
     public String getIv() {
         return iv;
     }
 
+    @Override
     public Iterator<String> getStorageIterator() {
         return storage.iterator();
     }
@@ -50,6 +56,5 @@ public class File {
             return true;
         }
     }
-
 }
 

app/src/main/java/lightcontainer/storage/JsonAdapter.java

@@ -1,6 +1,7 @@
 package lightcontainer.storage;
 
 import com.google.gson.*;
+import lightcontainer.utils.Log;
 
 import java.util.*;
 
@@ -40,7 +41,6 @@ public class JsonAdapter implements Adapter {
             user.addProperty("name", current.getName());
             user.addProperty("password", current.getPassword());
             user.addProperty("aes_key", current.getAesKey());
-            user.addProperty("passwordSalt", current.getPasswordSalt());
             JsonArray files = new JsonArray();
             Iterator<File> fileIterator = current.fileIterator();
             addFiles(fileIterator, files);
@@ -98,7 +98,7 @@ public class JsonAdapter implements Adapter {
             }
             return appData;
         } catch (JsonParseException parseException) {
-            System.out.println("[FFE] : Error while loading configuration file"); //TODO - changer en log
+            Log.getInstance().infoln("[FFE] : Error while loading configuration file"); //TODO - changer en log
             return null;
         }
     }
@@ -109,11 +109,10 @@ public class JsonAdapter implements Adapter {
             String name = jsonUser.get("name").getAsString();
             String password = jsonUser.get("password").getAsString();
             String aeskey = jsonUser.get("aes_key").getAsString();
-            String passwordSalt = jsonUser.get("passwordSalt").getAsString();
             Map<String, File> userFiles = new HashMap<>();
             JsonArray jsonFiles = jsonUser.getAsJsonArray("files");
             getFiles(userFiles, jsonFiles);
-            User user = new User(name, password, aeskey, passwordSalt, userFiles);
+            User user = new User(name, password, aeskey, userFiles);
             users.add(user);
         }
     }

app/src/main/java/lightcontainer/storage/ReadOnlyFile.java

@@ -0,0 +1,16 @@
+package lightcontainer.storage;
+
+import java.util.Iterator;
+
+public interface ReadOnlyFile {
+
+    String getName();
+
+    String getFileNameSalt();
+
+    long getSize();
+
+    String getIv();
+
+    Iterator<String> getStorageIterator();
+}

app/src/main/java/lightcontainer/storage/Repository.java

@@ -1,5 +1,7 @@
 package lightcontainer.storage;
 
+import lightcontainer.utils.Log;
+
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.IOException;
@@ -10,7 +12,7 @@ import java.nio.file.StandardOpenOption;
 import java.util.List;
 
 public class Repository {
-
+    // Variables
     private final String filePath;
     private final Adapter adapter;
     private final AppData appData;
@@ -28,20 +30,20 @@ public class Repository {
     /**
      * Saves configuration file
      */
-    public void save() {
+    public synchronized void save() {
         if (filePath != null) {
             String jsonAppData = adapter.toString(appData);
             try (BufferedWriter bufferedWriter = Files.newBufferedWriter(Paths.get(filePath).toAbsolutePath(), StandardCharsets.UTF_8, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
                 bufferedWriter.write(jsonAppData);
                 bufferedWriter.flush();
             } catch (IOException e) {
-                System.out.println("Error while saving configuration file !");
+                Log.getInstance().infoln("Error while saving configuration file !");
             }
         }
     }
 
-    public boolean addUser(String login, String password, String key, String passwordSalt) {
+    public boolean addUser(String login, String password, String key) {
-        if (appData.addUser(login, password, key, passwordSalt)) {
+        if (appData.addUser(login, password, key)) {
             save();
             return true;
         }
@@ -76,7 +78,6 @@ public class Repository {
         return false;
     }
 
-
     /**
      * Loads configuration file
      *
@@ -94,7 +95,7 @@ public class Repository {
                 builder.append(reader.readLine());
             }
         } catch (IOException e) {
-            System.out.println("Error while reading configuration file");
+            Log.getInstance().infoln("Error while reading configuration file");
             builder.setLength(0);
         }
         return builder.toString();
@@ -112,14 +113,15 @@ public class Repository {
         return appData.getAppConfig().getMulticastPort();
     }
 
+    /**
+     * @param login    The login of the user to test password
+     * @param password The plain text password to try against user's hashed password
+     * @return True if password matches user's password. False if user could not be found or password didn't match
+     */
     public boolean verifyUser(String login, String password) {
         return appData.verifyUser(login, password);
     }
 
-    public String getUserPasswordSalt(String login) {
-        return appData.getUserPasswordSalt(login);
-    }
-
     /**
      * Méthode permettant de récupérer le chemin de sauvegarde des fichiers
      *
@@ -139,8 +141,26 @@ public class Repository {
         return appData.getUserAesKey(login);
     }
 
+    /**
+     * Getter, allow to retrieve a specified file object.
+     *
+     * @param fileName The name of the file to retrieve.
+     * @param userName The name of the user who wants to retrieve the file.
+     * @return The requested file matching file name and username, or null
+     * if the user or file do not exist.
+     * @author Unknown...
+     * @see AppData#getFileOf(String, String)
+     * @see File
+     */
+    public ReadOnlyFile getFileOf(String fileName, String userName) {
+        return this.appData.getFileOf(fileName, userName);
+    }
 
     public List<String> getStringifiedFilesOf(String login) {
         return this.appData.getStringifiedFilesOf(login);
     }
+
+    public String getNetworkInterface() {
+        return this.appData.getAppConfig().getNetworkInterface();
+    }
 }

app/src/main/java/lightcontainer/storage/User.java

@@ -1,5 +1,7 @@
 package lightcontainer.storage;
 
+import lightcontainer.utils.BCryptHasher;
+
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -13,20 +15,18 @@ import java.util.Map;
  * @since 1.0
  */
 public class User {
-
+    // Variables
     private final String name;
     private final String password;
     private final String aesKey;
-    private final String passwordSalt;
     private final Map<String, File> files;
 
-    public User(String name, String password, String aesKey, String passwordSalt, Map<String, File> files) {
+    // Constructor
+    public User(String name, String password, String aesKey, Map<String, File> files) {
         this.name = name;
         this.password = password;
         this.aesKey = aesKey;
-        this.passwordSalt = passwordSalt;
         this.files = files;
-        System.out.println(files.size() + " fichiers trouvéssss pour " + name);
     }
 
     public String getName() {
@@ -41,10 +41,6 @@ public class User {
         return aesKey;
     }
 
-    public String getPasswordSalt() {
-        return this.passwordSalt;
-    }
-
     public Iterator<File> fileIterator() {
         return files.values().iterator();
     }
@@ -106,8 +102,11 @@ public class User {
         }
     }
 
+    /**
+     * @param password The plain text password to test
+     * @return True if password matches user's hashed password. False otherwise
+     */
     public boolean verifyPassword(String password) {
-        return this.password.equals(password);
+        return BCryptHasher.checkPassword(password, this.password);
     }
-
 }

app/src/main/java/lightcontainer/utils/AES_GCM.java

@@ -3,7 +3,8 @@ package lightcontainer.utils;
 import javax.crypto.*;
 import javax.crypto.spec.GCMParameterSpec;
 import javax.crypto.spec.SecretKeySpec;
-import java.io.*;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.nio.charset.StandardCharsets;
 import java.security.*;
 import java.util.Base64;
@@ -11,10 +12,9 @@ import java.util.Base64;
 /**
  * AES GCM 256 Encryption Class [DO NOT EDIT]
  *
- * @since 1.0
- * @version 1.0
- *
  * @author Jérémi Nihart <contact@endmove.eu>
+ * @version 1.0
+ * @since 1.0
  */
 public class AES_GCM {
     // Constants
@@ -22,65 +22,12 @@ public class AES_GCM {
     public static final int GCM_IV_LENGTH = 16;
     public static final int GCM_TAG_LENGTH = 16;
 
-    // Main method for testing
-    public static void main(String[] args) throws Exception
-    {
-        /*
-         * FILE ENCRYPTION DEMO
-         */
-        // Init files
-        File inFile = new File("D:\\HELMo.png");
-        File outFile = new File("D:\\HELMoCrypted.png");
-        File clearFile = new File("D:\\HELMoClear.png");
-        outFile.createNewFile();
-        clearFile.createNewFile();
-        // Make options
-        String IVFile = generateIV();
-        String keyFile = generateSecretKey();
-        // Show options
-        System.out.println("IV : "+IVFile);
-        System.out.println("Key : "+keyFile);
-        // Encrypt
-        encryptStream(
-            new FileInputStream(inFile),
-            new FileOutputStream(outFile),
-                inFile.length(),
-                IVFile,
-                keyFile
-        );
-        // Decrypt
-        decryptStream(
-            new FileInputStream(outFile),
-            new FileOutputStream(clearFile),
-                outFile.length(),
-                IVFile,
-                keyFile
-        );
-
-        /*
-         * TEXT ENCRYPTION DEMO
-         */
-        // Make option
-        String plainText = "Salut sombre fils de pute, comment vas tu ?";//TODO enlever le text chelou de Jérémi (ce fou là)
-        String IV = generateIV();
-        String key = generateSecretKey();
-        // Show options
-        System.out.println("IV : "+IV);
-        System.out.println("Key : "+key);
-        System.out.println("Original text : " + plainText);
-        // Crypt
-        String cryptText = encrypt(plainText, key, IV);
-        System.out.println("Encrypted text : " + cryptText);
-        // Decrypt
-        String decryptedText = decrypt(cryptText, key, IV);
-        System.out.println("Decrypted text : " + decryptedText);
-    }
 
     /**
      * Decoder to decode base64 vector to byte vector.
      *
-     * @param           base64Vector A base64 encoded vector.
+     * @param base64Vector A base64 encoded vector.
-     * @return          Byte vector.
+     * @return Byte vector.
      */
     private static byte[] decodeBase64Vector(String base64Vector) {
         Base64.Decoder b64Decoder = Base64.getDecoder();
@@ -90,10 +37,9 @@ public class AES_GCM {
     /**
      * Decoder to decode base64 string to plain string.
      *
-     * @param           base64String A base64 encoded string.
+     * @param base64String A base64 encoded string.
-     * @return          Plain string.
+     * @return Plain string.
-     *
+     * @see AES_GCM#decodeBase64Vector(String)
-     * @see             AES_GCM#decodeBase64Vector(String)
      */
     private static String decodeBase64String(String base64String) {
         return new String(decodeBase64Vector(base64String));
@@ -101,8 +47,9 @@ public class AES_GCM {
 
     /**
      * Encoder to encode vector to base64 string.
-     * @param           rawVector A raw vector.
+     *
-     * @return          A base64 encoded vector.
+     * @param rawVector A raw vector.
+     * @return A base64 encoded vector.
      */
     private static String encodeBase64(byte[] rawVector) {
         Base64.Encoder b64Encoder = Base64.getEncoder();
@@ -111,10 +58,10 @@ public class AES_GCM {
 
     /**
      * Encoder to encode string to base64 string.
-     * @param           rawString A raw string.
-     * @return          A base64 encoded string.
      *
-     * @see             AES_GCM#encodeBase64(byte[]))
+     * @param rawString A raw string.
+     * @return A base64 encoded string.
+     * @see AES_GCM#encodeBase64(byte[]))
      */
     private static String encodeBase64(String rawString) {
         return encodeBase64(rawString.getBytes(StandardCharsets.UTF_8));
@@ -123,14 +70,12 @@ public class AES_GCM {
     /**
      * FACTORY, to setting up a Java cryptographic cypher.
      *
-     * @param           op_mode the operation mode of this cipher (this is one of the
+     * @param op_mode the operation mode of this cipher (this is one of the
-     *                          following: ENCRYPT_MODE, DECRYPT_MODE, WRAP_MODE or UNWRAP_MODE)
+     *                following: ENCRYPT_MODE, DECRYPT_MODE, WRAP_MODE or UNWRAP_MODE)
-     * @param           key Base64 encoded secret key.
+     * @param key     Base64 encoded secret key.
-     * @param           IV Base64 encoded vector.
+     * @param IV      Base64 encoded vector.
-     *
+     * @return A Cryptography cypher.
-     * @return          A Cryptography cypher.
+     * @throws AesGcmException Throw an exception in case of an error occur while setting up the the cypher.
-     *
-     * @throws          AesGcmException Throw an exception in case of an error occur while setting up the the cypher.
      */
     private static Cipher createCipher(int op_mode, String key, String IV) throws AesGcmException {
         try {
@@ -151,9 +96,8 @@ public class AES_GCM {
     /**
      * Generate a secret key base64 encoded.
      *
-     * @return          New Secret key b64 encoded.
+     * @return New Secret key b64 encoded.
-     *
+     * @throws AesGcmException Exception if an error occur.
-     * @throws          AesGcmException Exception if an error occur.
      */
     public static String generateSecretKey() throws AesGcmException {
         try {
@@ -169,7 +113,7 @@ public class AES_GCM {
     /**
      * Generate an IV (initialisation vector) base64 encoded.
      *
-     * @return          New generated IV b64 encoded.
+     * @return New generated IV b64 encoded.
      */
     public static String generateIV() {
         byte[] IV = new byte[GCM_IV_LENGTH];
@@ -181,13 +125,11 @@ public class AES_GCM {
     /**
      * Encrypt text, with AES GCM.
      *
-     * @param           plainText Plain text to encrypt.
+     * @param plainText Plain text to encrypt.
-     * @param           key Base64 encoded secret key.
+     * @param key       Base64 encoded secret key.
-     * @param           IV Base64 encoded vector.
+     * @param IV        Base64 encoded vector.
-     *
+     * @return The encrypted plain text Base64 encoded.
-     * @return          The encrypted plain text Base64 encoded.
+     * @throws AesGcmException Exception if an error occur.
-     *
-     * @throws          AesGcmException Exception if an error occur.
      */
     public static String encrypt(String plainText, String key, String IV) throws AesGcmException {
         try {
@@ -202,18 +144,18 @@ public class AES_GCM {
 
     /**
      * Encrypt stream, with AES GCM.
+     * The output stream is automatically closed after processing.
      *
-     * @param           in InputStream to the input, flux to encrypt.
+     * @param in       InputStream to the input, flux to encrypt.
-     * @param           out OutputStream to the output, encrypted flux.
+     * @param out      OutputStream to the output, encrypted flux.
-     * @param           fileSize Stream/file size.
+     * @param fileSize Stream/file size (! unencrypted size !).
-     * @param           key Base64 encoded secret key.
+     * @param key      Base64 encoded secret key.
-     * @param           IV Base64 encoded vector.
+     * @param IV       Base64 encoded vector.
-     *
+     * @throws AesGcmException Exception if an error occur.
-     * @throws          AesGcmException Exception if an error occur.
      */
     public static void encryptStream(InputStream in, OutputStream out, long fileSize, String key, String IV) throws AesGcmException {
         byte[] buffer = new byte[1024];
-        int currentSize = 0;
+        long currentSize = 0;
         int bytes;
         try {
             // Make the cipher for encryption
@@ -221,7 +163,7 @@ public class AES_GCM {
             // Initialize a CipherOutputStream
             CipherOutputStream cipherOut = new CipherOutputStream(out, cipher);
             // Encryption Process
-            while((currentSize < fileSize) && (bytes = in.read(buffer)) > 0) {
+            while ((currentSize < fileSize) && (bytes = in.read(buffer)) > 0) {
                 cipherOut.write(buffer, 0, bytes);
                 cipherOut.flush();
                 currentSize += bytes;
@@ -236,13 +178,11 @@ public class AES_GCM {
     /**
      * Decrypt, with AES GCM.
      *
-     * @param           cryptText The encrypted text.
+     * @param cryptText The encrypted text.
-     * @param           key Base64 encoded secret key.
+     * @param key       Base64 encoded secret key.
-     * @param           IV Base64 encoded vector.
+     * @param IV        Base64 encoded vector.
-     *
+     * @return The decrypted plain text.
-     * @return          The decrypted plain text.
+     * @throws AesGcmException Exception if an error occur.
-     *
-     * @throws          AesGcmException Exception if an error occur.
      */
     public static String decrypt(String cryptText, String key, String IV) throws AesGcmException {
         try {
@@ -257,18 +197,18 @@ public class AES_GCM {
 
     /**
      * Decrypt stream, with AES GCM.
+     * The input stream is automatically closed after processing.
      *
-     * @param           in InputStream to the input, flux to decrypt.
+     * @param in       InputStream to the input, flux to decrypt.
-     * @param           out OutputStream to the output, decrypted flux.
+     * @param out      OutputStream to the output, decrypted flux.
-     * @param           fileSize Stream/file size.
+     * @param fileSize Stream/file size (! encrypted size !).
-     * @param           key Base64 encoded secret key.
+     * @param key      Base64 encoded secret key.
-     * @param           IV Base64 encoded vector.
+     * @param IV       Base64 encoded vector.
-     *
+     * @throws AesGcmException Exception if an error occur.
-     * @throws          AesGcmException Exception if an error occur.
      */
     public static void decryptStream(InputStream in, OutputStream out, long fileSize, String key, String IV) throws AesGcmException {
         byte[] buffer = new byte[1024];
-        int currentSize = 0;
+        long currentSize = 0;
         int bytes;
         try {
             // Make the cipher for decryption
@@ -276,7 +216,7 @@ public class AES_GCM {
             // Initialize a CipherOutputStream
             CipherInputStream cipherIn = new CipherInputStream(in, cipher);
             // Encryption Process
-            while((currentSize < fileSize) && (bytes = cipherIn.read(buffer)) > 0) {
+            while ((currentSize < fileSize) && (bytes = cipherIn.read(buffer)) > 0) {
                 out.write(buffer, 0, bytes);
                 out.flush();
                 currentSize += bytes;
@@ -299,7 +239,7 @@ public class AES_GCM {
          * Constructor of AesGcmException,
          * which define it's own detail message.
          *
-         * @param           msg The detail message.
+         * @param msg The detail message.
          */
         public AesGcmException(String msg) {
             super(msg);
@@ -310,7 +250,7 @@ public class AES_GCM {
          * which propagates the error triggering
          * a crash of the encryption system.
          *
-         * @param           e Previous exception throwable.
+         * @param e Previous exception throwable.
          */
         public AesGcmException(Throwable e) {
             super(e);
@@ -322,8 +262,8 @@ public class AES_GCM {
          * a crash of the encryption system with
          * a chosen detail message.
          *
-         * @param           e Previous exception throwable.
+         * @param e   Previous exception throwable.
-         * @param           msg The detail message.
+         * @param msg The detail message.
          */
         public AesGcmException(GeneralSecurityException e, String msg) {
             super(msg, e);

app/src/main/java/lightcontainer/utils/BCryptHasher.java

@@ -0,0 +1,14 @@
+package lightcontainer.utils;
+
+import org.mindrot.jbcrypt.BCrypt;
+
+public class BCryptHasher {
+
+    public static String hashPassword(String plainTextPassword) {
+        return BCrypt.hashpw(plainTextPassword, BCrypt.gensalt());
+    }
+
+    public static boolean checkPassword(String plainTextPassword, String hashedPassword) {
+        return BCrypt.checkpw(plainTextPassword, hashedPassword);
+    }
+}

app/src/main/java/lightcontainer/utils/DeepFileEraser.java

@@ -0,0 +1,139 @@
+package lightcontainer.utils;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.util.Arrays;
+
+/**
+ * DeepFileEraser - Secure file remover
+ *
+ * @since 1.0
+ * @version 1.0
+ *
+ * @author Jérémi Nihart <contact@endmove.eu>
+ */
+public class DeepFileEraser {
+    public static final int DFE_BUFFER_DEFAULT_SIZE = 1024;         // Default buffer size
+    public static final int DFE_BUFFER_MINIMUM_SIZE = 250;          // Minimum buffer size
+    public static final int DFE_BASE_DEFAULT_FILL_VALUE = 0;        // Filling value of the initialisation phase
+    public static final int DFE_STEP_MIN_FILL_VALUE = 0;            // Minimum filling value of a writing phase
+    public static final int DFE_STEP_MAX_FILL_VALUE = 15;           // Maximum filling value of a writing phase
+
+
+    /**
+     * Generate a number randomly.
+     *
+     * @param           min Minimal value (included)
+     * @param           max Maximal value (included)
+     *
+     * @return          Random generated number.
+     */
+    private static int random(int min, int max) {
+        return min + (int)(Math.random() * ((max - min) + 1));
+    }
+
+    /**
+     * Simple remove operation.
+     *
+     * @param               target File object on which to operate.
+     * @param               length File size.
+     *
+     * @throws              DeepFileEraserException Exception if an error occur.
+     */
+    private static void eraseBase(File target, long length) throws DeepFileEraserException {
+        byte[] buffer = new byte[DFE_BUFFER_DEFAULT_SIZE];
+        long wroteLength = 0;
+        try (OutputStream out = new FileOutputStream(target)) {
+            Arrays.fill(buffer, (byte)DFE_BASE_DEFAULT_FILL_VALUE);
+            while (wroteLength < length) {
+                if (wroteLength + buffer.length > length) {
+                    buffer = new byte[(int)(length-wroteLength)];
+                    Arrays.fill(buffer, (byte)DFE_BASE_DEFAULT_FILL_VALUE);
+                }
+                out.write(buffer);
+                wroteLength += buffer.length;
+            }
+        } catch (Exception e) {
+            throw new DeepFileEraserException(e, "Error while the Base erasing step.");
+        }
+    }
+
+    /**
+     * Deep remove operation.
+     *
+     * @param               target File object on which to operate.
+     * @param               length File size.
+     *
+     * @throws              DeepFileEraserException Exception if an error occur.
+     */
+    private static void eraseStep(File target, long length) throws DeepFileEraserException {
+        byte[] buffer = new byte[random(DFE_BUFFER_MINIMUM_SIZE, DFE_BUFFER_DEFAULT_SIZE)];
+        long wroteLength = 0;
+        try (OutputStream out = new FileOutputStream(target)) {
+            while(wroteLength < length) {
+                if (wroteLength + buffer.length > length) buffer = new byte[(int)(length-wroteLength)];
+                Arrays.fill(buffer, (byte) random(DFE_STEP_MIN_FILL_VALUE, DFE_STEP_MAX_FILL_VALUE));
+                out.write(buffer);
+                wroteLength += buffer.length;
+            }
+        } catch (Exception e) {
+            throw new DeepFileEraserException(e, "Error while the Step erasing step.");
+        }
+    }
+
+    /**
+     * Erase a file deeply.
+     * default deeply level = 7.
+     *
+     * @param               filePath Path of the file.
+     *
+     * @throws              DeepFileEraserException Exception if an error occur.
+     */
+    public static void eraseFile(String filePath) throws DeepFileEraserException {
+        eraseFile(filePath, 7);
+    }
+
+    /**
+     * Erase a file deeply.
+     *
+     * @param               filePath Path of the file.
+     * @param               depthLevel Erasure level (the higher the number, the longer and more secure the erasure).
+     *
+     * @throws              DeepFileEraserException Exception if an error occur.
+     */
+    public static void eraseFile(String filePath, int depthLevel) throws DeepFileEraserException {
+        // Init
+        File target = new File(filePath);
+        if (target.exists()) {
+            long targetSize = target.length();
+            // Base write
+            eraseBase(target, targetSize);
+            // Deep write
+            for (int i = 0; i < depthLevel; i++) eraseStep(target, targetSize);
+            // Delete file
+            target.delete();
+        }
+    }
+
+    /**
+     * Internal Error from DeepFileEraser encryption Class
+     */
+    public static class DeepFileEraserException extends Exception {
+        // Constant
+        private static final long serialVersionUID = -158979547897543145L;
+
+        /**
+         * Constructor of DeepFileEraserException,
+         * which propagates the error triggering
+         * a crash of the erasing file system with
+         * a chosen detail message.
+         *
+         * @param           e Previous exception throwable.
+         * @param           msg The detail message.
+         */
+        public DeepFileEraserException(Throwable e, String msg) {
+            super(msg, e);
+        }
+    }
+}

app/src/main/java/lightcontainer/utils/FileReceiver.java

@@ -3,28 +3,55 @@ package lightcontainer.utils;
 import java.io.*;
 
 public class FileReceiver {
-    private String path;
+    private final String path;
 
-    public FileReceiver(String path) { this.path = path; }
+    public FileReceiver(String path) {
-
+        this.path = path;
-    public int receiveFile(InputStream input, String fileName, int fileSize, String key, String iv) {
+    }
-        BufferedOutputStream bosFile = null;
 
+    public int receiveFile(InputStream input, String fileName, long fileSize, String key, String iv) {
         try {
-            bosFile = new BufferedOutputStream(new FileOutputStream(String.format("%s/%s", path, fileName)));
+            File file = new File(String.format("%s/%s", path, fileName));
-
+            if (file.createNewFile()) {
-            AES_GCM.encryptStream(input, bosFile, fileSize, key, iv);
+                try (BufferedOutputStream bufferedStream = new BufferedOutputStream(new FileOutputStream(file))) {
-
+                    // AES close l'outputstream mais on le try with ressources au cas ou ;)
-            bosFile.flush();
+                    AES_GCM.encryptStream(input, bufferedStream, fileSize, key, iv);
-            bosFile.close();
+                }
-
+            }
-            File f = new File(String.format("%s/%s", path, fileName));
+            return (int) file.length(); // TODO change the size to LONG
-            return (int)f.length();
+        } catch (IOException | AES_GCM.AesGcmException ex) {
-        } catch(IOException | AES_GCM.AesGcmException ex) {
             ex.printStackTrace();
-            if(bosFile != null) { try { bosFile.close(); } catch(Exception e) {} }
             return -1;
         }
     }
 
+    public boolean receiveFile(InputStream input, String fileName, long fileSize) {
+        int bytesReceived = 0;
+        BufferedOutputStream bosFile = null;
+
+        try {
+            byte[] buffer = new byte[1024];
+            bosFile = new BufferedOutputStream(new FileOutputStream(String.format("%s/%s", path, fileName)));
+            long currentOffset = 0;
+
+            while ((currentOffset < fileSize) && ((bytesReceived = input.read(buffer)) > 0)) {
+                bosFile.write(buffer, 0, bytesReceived);
+                currentOffset += bytesReceived;
+            }
+            bosFile.flush();
+            bosFile.close();
+
+            return true;
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            if (bosFile != null) {
+                try {
+                    bosFile.close();
+                } catch (Exception e) {
+                }
+            }
+            return false;
+        }
+    }
+
 }

app/src/main/java/lightcontainer/utils/FileSender.java

@@ -3,53 +3,49 @@ package lightcontainer.utils;
 import java.io.*;
 
 public class FileSender {
-    private static final int DEFAULT_BUFFER=8000;
+    private static final int DEFAULT_BUFFER = 8000;
     private final String path;
 
-    public FileSender(String path) { this.path = path; }
+    public FileSender(String path) {
+        this.path = path;
+    }
 
-    public boolean sendFile(String filename, OutputStream out, int fileSize, String aesKey, String iv) {
+    public boolean sendFile(String filename, OutputStream out, long fileSize, String aesKey, String iv) throws IOException {
         BufferedInputStream bisFile;
-        System.out.printf("Envoie fichier :  %s - %s - %s \n", filename, aesKey, iv);
         try {
             File f = new File(String.format("%s/%s", path, filename));
-            if(f.exists()) {
+            if (f.exists()) {
                 bisFile = new BufferedInputStream(new FileInputStream(f));
-
                 AES_GCM.decryptStream(bisFile, out, fileSize, aesKey, iv);
-
-                bisFile.close();
                 return true;
             } else
                 return false;
-        } catch(IOException | AES_GCM.AesGcmException ex) {
+        } catch (IOException | AES_GCM.AesGcmException ex) {
-            ex.printStackTrace();
+            throw new IOException();
-            return false;
         }
     }
 
-    public boolean sendFile(String filename, OutputStream out) {
+    public boolean sendFile(String filename, OutputStream out) throws IOException {
         BufferedInputStream bisFile;
-        int bytesReaded = 0;
+        int bytesRead = 0;
-
         try {
-            File f = new File(String.format("%s/%s", path, filename));
+            File file = new File(String.format("%s/%s", path, filename));
-            long fileSize = f.length();
+            long fileSize = file.length();
-            if(f.exists()) {
+            if (file.exists()) {
                 byte[] buffer = new byte[DEFAULT_BUFFER];
-                bisFile = new BufferedInputStream(new FileInputStream(f));
+                bisFile = new BufferedInputStream(new FileInputStream(file));
                 long currentOffset = 0;
-                while((currentOffset < fileSize) && (bytesReaded = bisFile.read(buffer)) > 0) {
+                while ((currentOffset < fileSize) && (bytesRead = bisFile.read(buffer)) > 0) {
-                    out.write(buffer, 0, bytesReaded); out.flush();
+                    out.write(buffer, 0, bytesRead);
-                    currentOffset+= bytesReaded;
+                    out.flush();
+                    currentOffset += bytesRead;
                 }
                 bisFile.close();
                 return true;
             } else
                 return false;
-        } catch(IOException ex) {
+        } catch (IOException ex) {// todo change
-            ex.printStackTrace();
+            throw ex;
-            return false;
         }
     }
 

app/src/main/java/lightcontainer/utils/Log.java

@@ -0,0 +1,35 @@
+package lightcontainer.utils;
+
+public class Log  {
+
+    public void infoln(String msg) {
+        System.out.println(msg);
+    }
+
+    public void infoln(int msg) {
+        System.out.println(msg);
+    }
+
+    public void infoln(long msg) {
+        System.out.println(msg);
+    }
+
+    public void infoln(Object msg) {
+        System.out.println(msg);
+    }
+
+
+    public void infof(String msg, Object... data) {
+        System.out.printf(msg, data);
+    }
+
+    private static Log instance;
+
+    public static Log getInstance() {
+        if (instance == null) {
+            instance = new Log();
+        }
+        return instance;
+    }
+
+}

app/src/main/java/lightcontainer/utils/NetChooser.java

@@ -13,15 +13,18 @@ public class NetChooser {
 
     public NetChooser() {
         loadInterfaces();
+    }
+
+    public NetworkInterface requestInterface() {
         Scanner console = new Scanner(System.in);
         String[] allInterfaceNames = getInterfaces();
-        for(int index=0; index < allInterfaceNames.length; ++index) {
+        for (int index = 0; index < allInterfaceNames.length; ++index) {
-            System.out.printf("%d. %s\n", index, allInterfaceNames[index]);
+            Log.getInstance().infof("%d. %s\n", index, allInterfaceNames[index]);
         }
-        System.out.printf("Select your interface :");
+        Log.getInstance().infof("Select your interface :");
         NetworkInterface selected = getInterfacesByIndex(console.nextInt());
-        System.out.printf("Selected interface: %s\n", selected.getDisplayName());
+        Log.getInstance().infof("Selected interface: %s\n", selected.getDisplayName());
-
+        return selected;
     }
 
     private void loadInterfaces() {
@@ -32,38 +35,35 @@ public class NetChooser {
                 NetworkInterface currentInterface = discoveredInterfaces.nextElement();
                 Enumeration<InetAddress> inetAddresses = currentInterface.getInetAddresses();
                 int ipCount = 0;
-                while(inetAddresses.hasMoreElements()) {
+                while (inetAddresses.hasMoreElements()) {
                     InetAddress currentAddress = inetAddresses.nextElement();
                     ipCount++;
                 }
-                if(ipCount > 0)
+                if (ipCount > 0)
                     interfaces.add(currentInterface);
             }
-        } catch(SocketException ex) {
+        } catch (SocketException ex) {
             ex.printStackTrace();
         }
 
     }
 
     public NetworkInterface getInterfacesByIndex(int i) {
-        if(i >= 0)
+        if (i >= 0)
             return interfaces.get(i);
         else
             return null;
     }
 
     public String[] getInterfaces() {
-        if(interfaces.size() > 0) {
+        if (interfaces.size() > 0) {
             String[] result = new String[interfaces.size()];
             for (int i = 0; i < interfaces.size(); ++i) {
-                result[i] = interfaces.get(i).getDisplayName();
+                result[i] = interfaces.get(i).getDisplayName() + " --> " + interfaces.get(i).getName();
             }
             return result;
         } else
             return null;
     }
 
-    public static void main(String[] args) {
-        new NetChooser();
-    }
 }

app/src/main/java/lightcontainer/utils/SHA.java

@@ -3,53 +3,29 @@ package lightcontainer.utils;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.InputStream;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.security.GeneralSecurityException;
 import java.security.MessageDigest;
-import java.util.Base64;
 
 /**
  * SHA 256 Hashing and borrowing Class [DO NOT EDIT]
  *
- * @since 1.0
- * @version 1.0
- *
  * @author Jérémi Nihart <contact@endmove.eu>
+ * @version 1.0
+ * @since 1.0
  */
 public class SHA {
     // Constants
     public static final String SHA_VERSION = "SHA-256";
 
-    // Main method for testing
-    public static void main(String[] args) throws Exception {
-        /*
-         * BORROWING ENCRYPTION DEMO
-         */
-        File inFile = new File("D:\\HELMo.txt");
-        System.out.println(hashStream(
-                new FileInputStream(inFile),
-                (int)inFile.length()
-        ));
-
-        System.out.println(hashFile( // caca5439dc02f2ced5094e95f1a3403d42127cda29feecd2eb1c68ff38a6fee3
-                "D:\\ffe",
-                "46ba86ddecd2fe80c3bdb9fb2f9480b4c92057447e9d1b43863dd1a6d540f3a316571684f9e3a7459f533a9792d4925e"
-        ));
-    }
 
     /**
      * Make a borrowing of the stream.
      *
-     * @param           in InputStream to the input, flux to hash.
+     * @param in       InputStream to the input, flux to hash.
-     * @param           fileSize Stream/file size.
+     * @param fileSize Stream/file size.
-     *
+     * @return Borrowing of the full current flux.
-     * @return          Borrowing of the full current flux.
+     * @throws ShaException if an error occur.
-     *
-     * @throws          ShaException if an error occur.
      */
-    public static String hashStream(InputStream in, int fileSize) throws ShaException {
+    public static String hashStream(InputStream in, long fileSize) throws ShaException {
         StringBuilder sb = new StringBuilder();
         byte[] buffer = new byte[1024];
         int currentSize = 0;
@@ -58,7 +34,7 @@ public class SHA {
             // Init Digest algo
             MessageDigest digest = MessageDigest.getInstance(SHA_VERSION);
             // Process flux
-            while ((currentSize < fileSize) && (bytes=in.read(buffer)) > 0) {
+            while ((currentSize < fileSize) && (bytes = in.read(buffer)) > 0) {
                 digest.update(buffer, 0, bytes);
                 currentSize += bytes;
             }
@@ -77,17 +53,19 @@ public class SHA {
     /**
      * Make a borrowing of the file.
      *
-     * @param           rootPath Root path of the file.
+     * @param rootPath Root path of the file.
-     * @param           fileName File Name.
+     * @param fileName File Name.
-     *
+     * @return Borrowing of the file.
-     * @return          Borrowing of the file.
+     * @throws ShaException if an error occur.
-     *
-     * @throws          ShaException if an error occur.
      */
     public static String hashFile(String rootPath, String fileName) throws ShaException {
         try {
             File file = new File(String.format("%s/%s", rootPath, fileName));
-            return hashStream(new FileInputStream(file), (int)file.length());
+            String hash;
+            try (InputStream inStream = new FileInputStream(file)) {
+                hash = hashStream(inStream, file.length());
+            }
+            return hash;
         } catch (Exception e) {
             throw new ShaException(e);
         }
@@ -105,11 +83,10 @@ public class SHA {
          * which propagates the error triggering
          * a crash of the hash system.
          *
-         * @param           e Previous exception throwable.
+         * @param e Previous exception throwable.
          */
         public ShaException(Throwable e) {
             super(e);
         }
     }
-
 }

app/src/main/resources/appdata.json

@@ -1 +1,10 @@
-{"unicast_port":8000,"multicast_ip":"226.66.66.1","multicast_port":15502,"network_interface":"My network interface","tls":true,"storagePath":"/home/benjamin/ffe","users":[{"name":"endmove","password":"1f82407cace28cd7d97d23f82e8235d9da97575d033a12334fc71d3517f6a90fa04af829df3c722c38d3b68842e4ca2b","aes_key":"p0G+iViPp656O6aMKgcXSDT/e9/00wQH/ztUWf4tyr4=","passwordSalt":"ItYiXkwPa84Gwb6dGHQvXQ==","files":[]},{"name":"aaaaa","password":"5d628c274ebb008324f1e199d3bfff0a3fe839730a7f2355e82850d7acca5e5ca64db9071abf3d91034295695f84a617","aes_key":"qlTH6TijnfMRnrS0Qf+k6IPKGp5LoRMXGxCq16e+mF4=","passwordSalt":"Ns8Al6DpqPsIDlCSRBVTEg==","files":[{"name":"ca.crt","fileNameSalt":"Mjo7iQeEl2PYX1RDUZbSlQ==","size":4207,"iv":"uALI+Feo1lIg1lBxbCMwIQ==","storage":["lightcontainerSB01"]},{"name":"main.py","fileNameSalt":"YRwnBiXINCJ+zyxwADgNRQ==","size":854,"iv":"9LXrJFtcgU4DeUBghc4Dgw==","storage":["lightcontainerSB01"]}]}]}
+{
+  "unicast_port": 8000,
+  "multicast_ip": "224.66.66.1",
+  "multicast_port": 15502,
+  "network_interface": "Mon interface réseau",
+  "tls": true,
+  "storagePath": "Chemin vers le dossier FFE",
+  "users": [
+  ]
+}

app/src/main/resources/rules.txt

@@ -1,22 +1,23 @@
 //Standardized definitions
-digit = [0-9]
+digit = [\x30-\x39] //Unicode
-port = (6553[0-5])|(655[0-2][0-9])|(65[0-4][0-9]{2})|(6[0-4][0-9]{3})|([1-5][0-9]{4})|([0-5]{0,5})|([0-9]{1,4})
+port = (6553[\x30-\x35])|(655[\x30-\x32][\x30-\x39])|(65[\x30-\x34][\x30-\x32]{2})|(6[\x30-\x34][\x30-\x39]{3})|([\x31-\x35][\x30-\x39]{4})|([\x30-\x35]{0,5})|([\x30-\x39]{1,4})
-size = [0-9]{1,10}
+size = [\x30-\x39]{1,10}
-line = \r\n
+line = \x0D\x0A
-visiblechar = \p{Print}
+visiblechar = [\x20-\xFF]
-passchar = [^ !]
+passchar = [\x22-\xFF]
-binary = .
+binary = [\x00-\xFF]
-password = [^ !]{5,50}
+password = [\x22-\xFF]{5,50}
-bl =   //espace
+bl = \x20 //espace
-letter = [A-Za-z]
+letter = [\x41-\x5A\x61-\x7A]
-digit_letter = [A-Za-z0-9]
+digit_letter = [\x30-\x39]|[\x41-\x5A\x61-\x7A]
-filename = [^ !]{1,20}
+filename = [\x22-\xFF]{1,20}
-domain = [A-Za-z0-9.]{5,20}
+domain = [\x30-\x39\x41-\x5A\x61-\x7A]{5,20}[.] //Le point est obligatoire
-hash_filename = [A-Za-z0-9.]{50,200}
+hash_filename = [\x30-\x39\x41-\x5A\x61-\x7A]{50,200}
-hash_filecontent = [A-Za-z0-9.]{50,200}
+hash_filecontent = [\x30-\x39\x41-\x5A\x61-\x7A]{50,200}
-file_info = [A-Za-z0-9.]{50,200} [0-9]{1,10} [A-Za-z0-9.]{50,200}
+file_info = [\x30-\x39\x41-\x5A\x61-\x7A]{50,200}\x20[\x30-\x39]{1,10}\x20[\x30-\x39\x41-\x5A\x61-\x7A]{50,200}
-login = [A-Za-z0-9]{2,20}
+login = [\x30-\x39\x41-\x5A\x61-\x7A]{5,20}
 
+//OBSOLETE
 //StorBackEnd to FileFrontEnd
 sbe_hello = ^HELLO ([A-Za-z0-9.]{5,20}) ([\d]{0,5})\r\n$ //TODO \r\n -> à tester pour voir si déjà dans le flux ou doit être construit
 

app/src/test/java/lightcontainer/AppTest.java

@@ -3,9 +3,6 @@
  */
 package lightcontainer;
 
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
 class AppTest {
 //    @Test void appHasAGreeting() {
 //        App classUnderTest = new App();

app/src/test/java/lightcontainer/protocol/rules/reader/HelloRuleTest.java

@@ -3,8 +3,6 @@ package lightcontainer.protocol.rules.reader;
 import lightcontainer.protocol.ProtocolReader;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 class HelloRuleTest {
 
     @Test

app/src/test/java/lightcontainer/protocol/rules/writer/SignoutRuleTest.java

@@ -1,11 +1,7 @@
 package lightcontainer.protocol.rules.writer;
 
-import lightcontainer.protocol.ProtocolWriter;
-import lightcontainer.protocol.rules.reader.SignoutRule;
 import org.junit.jupiter.api.Test;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 class SignoutRuleTest {
 
     @Test

app/src/test/java/lightcontainer/storage/JsonAdapterTests.java

@@ -1,13 +1,5 @@
 package lightcontainer.storage;
 
-import org.junit.jupiter.api.Test;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-
 public class JsonAdapterTests {
 /*
     @Test

app/src/test/java/lightcontainer/storage/RepositoryTests.java

@@ -1,17 +1,5 @@
 package lightcontainer.storage;
 
-import org.junit.jupiter.api.AfterEach;
-import org.junit.jupiter.api.Test;
-
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.HashSet;
-import java.util.Set;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-
 public class RepositoryTests {
 
     /*
@@ -20,7 +8,7 @@ public class RepositoryTests {
         try {
             Files.deleteIfExists(Paths.get("src", "test", "resources", "test.json").toAbsolutePath());
         } catch (IOException e) {
-            System.out.println("Error while destroying file");
+            Log.getInstance().infoln("Error while destroying file");
         }
     }