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diff --git a/client/images/spin/64x64/Preloader_7.gif b/client/images/spin/64x64/Preloader_7.gif
new file mode 100644
index 0000000..5f6dd5e
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diff --git a/client/images/spin/64x64/Preloader_8.gif b/client/images/spin/64x64/Preloader_8.gif
new file mode 100644
index 0000000..b57e4d8
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diff --git a/client/images/spin/64x64/Preloader_9.gif b/client/images/spin/64x64/Preloader_9.gif
new file mode 100644
index 0000000..fc3ddb7
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diff --git a/client/index.html b/client/index.html
index ba183df..8ca2b9f 100644
--- a/client/index.html
+++ b/client/index.html
@@ -26,7 +26,11 @@
                 <div class="col-lg-12">
                     <!-- Login Overlay -->
                     <div ng-include="'./partials/login.html'"></div>
-                    <!-- Nav -->
+					<!-- Machine Details Overlay -->
+                    <div ng-include="'./partials/home/machineDetails.html'"></div>
+					<div ng-include="'./partials/loading.html'"></div>
+
+					<!-- Nav -->
                     <div ng-include="'./partials/nav.html'"></div>
                 </div>
             </div>
@@ -76,12 +80,15 @@
     <script src="./js/services/Identity.js"></script>
     <script src="./js/services/Image.js"></script>
     <script src="./js/services/Compute.js"></script>
+    <script src="./js/services/Loading.js"></script>
 	
     <!-- Include controller -->
     <script src="./js/controllers/login.js"></script>
     <script src="./js/controllers/status.js"></script>
     <script src="./js/controllers/home/main.js"></script>
+    <script src="./js/controllers/home/machineDetails.js"></script>	
     <script src="./js/controllers/network/main.js"></script>
+
     
     
 
diff --git a/client/js/controllers/home/machineDetails.js b/client/js/controllers/home/machineDetails.js
new file mode 100644
index 0000000..24fac42
--- /dev/null
+++ b/client/js/controllers/home/machineDetails.js
@@ -0,0 +1,41 @@
+/**
+ * The home controller
+ * 
+ * @param {$scope} $scope The $scope service from angular
+ */
+mainApp.controller('machineDetailsCtrl', [ '$scope', 'Compute', '$rootScope', '$timeout', function ($scope, Compute, $rootScope, $timeout)
+{
+
+	$scope.machine={};
+	$("#waitingForToggleMachine").hide();
+
+	$scope.$on('showMachineDetailsEvent', function(eventName ,machine, axioms){
+		$scope.machine=machine;
+		$scope.axioms=axioms;
+		console.log(machine);
+		$('#machineDetailsModal').modal({backdrop: false, keyboard: true});
+	});
+
+
+	$scope.toggleMachineState=function(){
+		$("#waitingForToggleMachine").show();
+
+		// Fake timeout
+		$timeout(function(){
+		$("#waitingForToggleMachine").hide();	
+		}, 3000);
+		$timeout(function(){
+		$scope.machine.online=!$scope.machine.online;
+
+		}, 3000);
+
+		
+	};
+
+	$scope.applyModifications=function(){
+		//Todo
+	}
+	
+
+	
+}]);
diff --git a/client/js/controllers/home/main.js b/client/js/controllers/home/main.js
index d25bfad..f84f625 100644
--- a/client/js/controllers/home/main.js
+++ b/client/js/controllers/home/main.js
@@ -3,15 +3,34 @@
  * 
  * @param {$scope} $scope The $scope service from angular
  */
-mainApp.controller('homeCtrl', [ '$scope', 'Compute', function ($scope, Compute)
+mainApp.controller('homeCtrl', [ '$scope', 'Compute', '$rootScope', 'Loading','Identity', function ($scope, Compute, $rootScope, Loading, Identity)
 {
 
-
-	var updatePage=function(){
-		// TODO Update graph etc...
+	var callMeAfterPullData=function(data){
+		$scope.machines=Compute.getData().machines;
+			Loading.stop();
 	}
 
-	// Retrieve all Data
-	Compute.pullData(updatePage);
-    
+	;
+	if(Compute.getData().machines == null && Identity.isAlreadyLogin()){
+		Loading.start();
+		Compute.pullData(callMeAfterPullData);		
+	}
+
+
+
+	
+	$scope.raiseShowMachineDetailsEvent=function(id){
+
+		var callback=function(){
+			Loading.stop();
+			var data=Compute.getData();
+			$rootScope.$broadcast("showMachineDetailsEvent", data.machines[id], data.axioms);		
+	
+		}
+		Loading.start();
+		Compute.pullMachines(callback);
+	}
+
+
 }]);
diff --git a/client/js/controllers/login.js b/client/js/controllers/login.js
index 829fc1d..1a89563 100644
--- a/client/js/controllers/login.js
+++ b/client/js/controllers/login.js
@@ -13,14 +13,19 @@ mainApp.controller('loginCtrl', ['$scope','$sce','Identity', function ($scope,$s
 	if(!Identity.isAlreadyLogin()){
 		$('#loginModal').modal({backdrop: 'static', keyboard: false});
 	}
+
+	// Manager logout event
 	$scope.$on('logoutEvent', function(){
+		Identity.logout();
 		$('#loginModal').modal({backdrop: 'static', keyboard: false});
 	});
-	
+
+	// Hide loading button and message alert
     $('#loadingLoginButton').hide();
     $('#failedToLoginAlert').hide();
 
-     
+	
+	// Defined function for login
     $scope.loginAction=function(){
 		
 		// Begin login state for template
diff --git a/client/js/controllers/status.js b/client/js/controllers/status.js
index e01df34..940d794 100644
--- a/client/js/controllers/status.js
+++ b/client/js/controllers/status.js
@@ -10,13 +10,11 @@ mainApp.controller('statusCtrl', ['$scope','Identity', '$rootScope', function ($
 {
 
 	// Give profile to model
-    $scope.profile=Identity.profile;
+    $scope.profile=Identity.getProfile();
 
     // Function to logout
-    $scope.logout=function(){
-		Identity.logout();
+    $scope.raiseLogoutEvent=function(){
 		$rootScope.$broadcast('logoutEvent');
-
 	};
 
 }]);
diff --git a/client/js/services/Compute.js b/client/js/services/Compute.js
index c5c8da9..36ddc16 100644
--- a/client/js/services/Compute.js
+++ b/client/js/services/Compute.js
@@ -2,38 +2,139 @@
 mainApp.factory('Compute',[ '$http', 'Identity', function($http, Identity){
 
 
-	
+	// Init data
 	var data={};
-	data.machines={};
+	data.machines=null;
+	data.axioms={} // Contain static data
+	data.axioms.ram=[128,512,1024,2048,4096];
+	data.axioms.disk=[1,2,5,10,25,50,100,150,200]
+	data.axioms.images={}; // Retrieve after
 	
 
-	// Parser
-	var parseGetMachinesAnswer=function(response, failedToSendRequest){
+	/**
+	 * Parse pullMachines answer
+	 * @param {response} the server response
+	 * @param {boolean} false if the request as been send true else
+	 * @return {requestParserResult} the result of parsing
+	 */
+	var parsePullMachinesAnswer=function(response, failedToSendRequest){
+
+		// Defined return object
+		var requestParserResult={};
+		requestParserResult.status=1;
+		requestParserResult.failReason=null;
+
 		
+		if (typeof response.data.Servers !== 'undefined') {
+			// Set status code
+			requestParserResult.status=0;
+			data.machines=response.data.Servers;
+
+		}
+		else if(failedToSendRequest){
+			requestParserResult.failReason="Failed to send request";
+		}
+		else{
+			requestParserResult.failReason="Error";
+		}
+		return requestParserResult;
 	};
 
 
-	// Get Machine
-	var getMachines=function(callback){
-
+	/**
+	 * Retrieve machine list 
+	 * @param {callback} function to call after request complete
+	 */
+	var pullMachines=function(callback){
+		// Send listServers request
 		var result=$http.post('../server/index.php',
-						  $.param({"token" : Identity.profile.token, "task" : "Compute"}));		
+							  $.param({"token" : Identity.getToken(), "task" : "compute", "action":"listServers"}));		
+
+		// Wait and handle the response
+        result.then(function (response){
+			callback(parsePullMachinesAnswer(response, false));
+        },function(response){
+			callback(parsePullMachinesAnswer(response, true));
+        });
+	};
+
+
+	/**
+	 * Parse pullImages answer
+	 * @param {response} the server response
+	 * @param {boolean} false if the request as been send true else
+	 * @return {requestParserResult} the result of parsing
+	 */
+	var parsePullImagesAnswer=function(response, failedToSendRequest){
+
+		// Defined return object
+		var requestParserResult={};
+		requestParserResult.status=1;
+		requestParserResult.failReason=null;
 
 		
+		if (typeof response.data.Images !== 'undefined') {
+			// Set status code
+			requestParserResult.status=0;
+			data.axioms.images=response.data.Images;
+		}
+		else if(failedToSendRequest){
+			requestParserResult.failReason="Failed to send request";
+		}
+		else{
+			requestParserResult.failReason="Error";
+		}
+		return requestParserResult;
 	};
+
+
+
 	
+	/**
+	 * Retrieve machine list 
+	 * @param {callback} function to call after request complete
+	 */
+	var pullImages=function(callback){
+		// Send listServers request
+		var result=$http.post('../server/index.php',
+							  $.param({"token" : Identity.getToken(), "task" : "compute", "action":"listImages"}));		
+
+		// Wait and handle the response
+        result.then(function (response){
+			callback(parsePullImagesAnswer(response, false));
+        },function(response){
+			callback(parsePullImagesAnswer(response, true));
+        });
+	};
 
 
+	/**
+	 * Retrieve all data 
+	 * @param {callback} function to call after request complete
+	 */
 	var pullData=function(callback){
-		// TODO call getMachines etc...
+		var nextFunction=function(response){
+			if(response.status==0){
+				pullMachines(callback);
+			}
+		}
+		pullImages(nextFunction);
 	}
 
-		
+
+	/**
+	 * Get Data
+	 * @return {data} return the data object
+	 */
+	var getData=function(){
+		return data;
+	}
+	
 	// Return services objects
 	return {
-		getMachines: getMachines
-		pullData: pullData
-		data:data
+		pullMachines: pullMachines,
+		pullData: pullData,
+		getData: getData
 	};
 
 	
diff --git a/client/js/services/Identity.js b/client/js/services/Identity.js
index 8ee664c..da85ecd 100644
--- a/client/js/services/Identity.js
+++ b/client/js/services/Identity.js
@@ -7,37 +7,50 @@ mainApp.factory('Identity',[ '$http', '$cookies', function($http, $cookies){
     var profile={};
     profile.username=null;
     profile.projectname=null;
-	profile.token=null;
-
-
-	/**
-	 * Save profile in cookies 
-	 */
-	var saveCookieForSession=function(){
-		$cookies.putObject('profile', 5);
-	};
-
+	var token=null;
 
+	
 	/* 
 	 * @returns {boolean} Return true if a cookie is found (and load it in profile) false else 
 	 */
 	var isAlreadyLogin=function(){
+
+		// Load cookies
 		var profileInCookie=$cookies.getObject('profile');
-		console.log(profileInCookie);
+		var tokenPart_0InCookie=$cookies.getObject('token.part_0');
+		var tokenPart_1InCookie=$cookies.getObject('token.part_1');
+
 		
-		if(typeof profileInCookie !== 'undefined'){
+		// Check if cookie is defined
+		if(typeof profileInCookie !== 'undefined'
+		   && typeof tokenPart_0InCookie !== 'undefined'
+		   && typeof tokenPart_1InCookie !== 'undefined'
+		  ){
+
+			// If yes, put it into variables
 			angular.extend(profile, profileInCookie);
+			token=tokenPart_0InCookie+tokenPart_1InCookie;
+
+			// Return I'm Login
 			return true;
 		}
 
+		// Return I'm not Login
 		return false;
 	}
 
+
+	
 	/*
 	 * Destroy profile cookies
 	 */
 	var logout=function(){
 		$cookies.remove('profile');
+		$cookies.remove('token.part_0');
+		$cookies.remove('token.part_1');
+		token=null;
+		profile.username=null;
+		profile.projectname=null;
 	}
 
 	
@@ -49,15 +62,32 @@ mainApp.factory('Identity',[ '$http', '$cookies', function($http, $cookies){
 	 */
 	var parseLoginAnswer=function(response, failedToSendRequest){
 		
-
+		// Defined return object
 		var requestParserResult={};
 		requestParserResult.status=1;
 		requestParserResult.failReason=null;
 
 		if (typeof response.data.token !== 'undefined') {
+			// Set status code
 			requestParserResult.status=0;
-			profile.token=response.data.token;
-			saveCookieForSession();
+
+			// Find the middle of the token to split it
+			var middle=parseInt(response.data.token.length/2);
+
+			// Create expire date (cookie expire in 55 mins)
+			var expireDate=new Date();
+			expireDate.setMinutes(expireDate.getMinutes()+55);
+			
+			// Save profile
+			$cookies.putObject('profile', profile, {'expires': expireDate});
+			// Save first part of token
+			$cookies.putObject('token.part_0', response.data.token.substring(0, middle), {'expires': expireDate});
+			// Save second part of token
+			$cookies.putObject('token.part_1', response.data.token.substring(middle, response.data.token.length), {'expires': expireDate});
+
+			// Put token in var
+			token=response.data.token;
+			
 		}
 		else if(failedToSendRequest){
 			requestParserResult.failReason="Failed to send request";
@@ -69,7 +99,6 @@ mainApp.factory('Identity',[ '$http', '$cookies', function($http, $cookies){
 		return requestParserResult;
 	};
 
-
 	
 	/**
 	 * Function to connect to OpenStack
@@ -80,31 +109,50 @@ mainApp.factory('Identity',[ '$http', '$cookies', function($http, $cookies){
 	 * @param {string} projectname The user project name
 	 * @param {function} function to call when data is avalaible
 	 */
-	var login=function(username, password,projectname, callback){    
+	var login=function(username, password,projectname,callback){    
 		
 		// Set profile information (early)
 		profile.username=username;
 		profile.projectname=projectname;
 		
 		var result=$http.post('../server/index.php',
-						  $.param({"task" : "Authenticate", "user" : username, "password" : password, "project" : projectname}));  
+							  $.param({"task" : "Authenticate", "user" : username, "password" : password, "project" : projectname}));  
 
 		// Wait and handle the response
         result.then(function (response){
-			callback(parseLoginAnswer(response), false);
+			callback(parseLoginAnswer(response, false));
         },function(response){
-			callback(parseLoginAnswer(response), true)
+			callback(parseLoginAnswer(response, true));
         });		
 	};	
 
 
 
+
+	
+	/*
+     * Get the profile
+	 */
+	var getProfile=function(){
+		return profile;
+	}
+
+	/*
+     * Get the token
+	 */	
+	var getToken=function(){
+		return token;
+	}
+
+	
+
 	// Return services objects
 	return {
 		login: login,
-		profile: profile,
+		getProfile: getProfile,
 		isAlreadyLogin: isAlreadyLogin,
-		logout:logout
+		logout:logout,
+		getToken:getToken
 	};
 
 	
diff --git a/client/js/services/Loading.js b/client/js/services/Loading.js
new file mode 100644
index 0000000..b12aaa0
--- /dev/null
+++ b/client/js/services/Loading.js
@@ -0,0 +1,22 @@
+
+mainApp.factory('Loading',[ '$http', 'Identity', function($http, Identity){
+
+
+
+
+	var start=function(){
+		$('#loadingModal').modal({backdrop: 'static', keyboard: false});	
+	};
+
+	var stop=function(){
+		$('#loadingModal').modal('hide');
+	}
+
+
+	return {
+		start:start,
+		stop:stop
+	};
+
+
+}]);
diff --git a/client/partials/home/machineDetails.html b/client/partials/home/machineDetails.html
new file mode 100644
index 0000000..47a65fb
--- /dev/null
+++ b/client/partials/home/machineDetails.html
@@ -0,0 +1,70 @@
+<div class="modal" id="machineDetailsModal" ng-controller="machineDetailsCtrl" >
+    <div class="modal-dialog">
+        <div class="modal-content"></div>
+    </div>
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <!--<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>-->
+                <h4 class="modal-title">Machine</h4>
+
+            </div>
+            <div class="modal-body">
+
+				<form class="form-horizontal" role="form">
+					<div class="form-group">
+						<label class="control-label col-sm-2" for="email">Name</label>
+						<div class="col-sm-10">
+							      <p class="form-control-static">{{ machine.name  }}</p>
+						</div>
+					</div>
+					<div class="form-group">
+						<label class="control-label col-sm-2" for="pwd">State</label>
+						<div class="col-sm-10">
+							<span ng-if="machine.status=='ACTIVE'">Online</span>
+							<span ng-if="machine.status!=='ACTIVE'">Offline</span>
+							&nbsp;
+							<button class="btn btn-danger" ng-if="machine.status=='ACTIVE'" ng-click="toggleMachineState()">Turn Off</button>		 
+							<button class="btn btn-success" ng-if="machine.status!=='ACTIVE'" ng-click="toggleMachineState()">Turn On</button>		 
+							&nbsp;<img src="images/spin/32x32/Preloader_1.gif" id="waitingForToggleMachine"></span>
+
+							
+						</div>
+					</div>
+					<fieldset class="form-group">
+						<label class="control-label col-sm-2">RAM</label>
+						<select class="col-sm-20" id="ramSelected">
+							<option ng-repeat="ram in axioms.ram" ng-selected="machine.ram == ram">{{ ram }}</option>
+						</select>
+						<span>MB</span>
+					</fieldset>
+
+					<fieldset class="form-group">
+						<label class="control-label col-sm-2">Disk</label>
+						<select class="col-sm-20" id="ramSelected">
+							<option ng-repeat="disk in axioms.disk" ng-selected="machine.disk == disk">{{ disk }}</option>
+						</select>
+					</fieldset>
+
+					<fieldset class="form-group">
+						<label class="control-label col-sm-2">Image</label>
+						<select class="col-sm-20" id="ramSelected">
+							<option ng-repeat="image in axioms.images" ng-selected="machine.imageId == Object.keys(image)">{{ image.name }}</option>
+						</select>
+					</fieldset>
+
+
+
+
+
+				</form>
+
+
+			</div>
+            <div class="modal-footer"> 
+                <a href="#" data-dismiss="modal" class="btn btn-primary">Apply</a>
+                <a href="#" data-dismiss="modal" class="btn btn-default">Cancel</a>
+            </div>
+        </div>
+    </div>
+</div>
diff --git a/client/partials/home/main.html b/client/partials/home/main.html
index 7a5045a..f9f8878 100644
--- a/client/partials/home/main.html
+++ b/client/partials/home/main.html
@@ -1,8 +1,12 @@
- <div class="panel panel-default">
+ <div class="panel panel-default" ng-controller="homeCtrl">
     <div class="panel-heading">
         Home 
     </div>
     <div class="panel-body">
-        Main Content
+        
+		Pour charger les machines, recharger la page (temporaire)<br />
+		Selectionner une machine:
+		<div ng-repeat="machine in machines"> <a ng-click="raiseShowMachineDetailsEvent(machine.id)"> {{ machine.name  }}</a></div>
+		
     </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/client/partials/loading.html b/client/partials/loading.html
new file mode 100644
index 0000000..c978190
--- /dev/null
+++ b/client/partials/loading.html
@@ -0,0 +1,18 @@
+<div class="modal fade" id="loadingModal" ng-controller="loginCtrl">
+    <div class="modal-dialog">
+        <div class="modal-content"></div>
+    </div>
+    <div class="modal-dialog" style="width:200px;">
+        <div class="modal-content">
+
+            <div class="modal-body" >
+				<div align="center">
+					<img src="images/spin/128x128/Preloader_8.gif" />
+				</div>
+
+
+            </div>
+
+        </div>
+    </div>
+</div>
diff --git a/client/partials/nav.html b/client/partials/nav.html
index 3c72844..b3ef76a 100644
--- a/client/partials/nav.html
+++ b/client/partials/nav.html
@@ -32,7 +32,7 @@
             <li><a href="#">Informations</a></li>
             <li><a href="#">Settings</a></li>
             <li role="separator" class="divider"></li>
-            <li><a href="#" ng-click="logout()">Logout</a></li>
+            <li><a href="#" ng-click="raiseLogoutEvent()">Logout</a></li>
           </ul>
         </li>
       </ul>
diff --git a/server/Test/AppTestClass.php b/server/Test/AppTestClass.php
index 311b9bf..4d7cab5 100755
--- a/server/Test/AppTestClass.php
+++ b/server/Test/AppTestClass.php
@@ -6,6 +6,7 @@ class AppTest{
 	
 	protected $openstack;
 	protected $pluginsApi;
+	protected $postParams;
 	protected $tokenClass;
 	protected $tokenPost;
 	protected $output;
@@ -16,7 +17,9 @@ class AppTest{
 		$this->tokenClass = new genTokenOptions($args);
 		$this->openstack = new OpenStack\OpenStack([]);
 		$this->pluginsApi = plugin_api::getInstance();
+		$this->errorClass = new errorManagement($this);
 		$this->output = array();
+		$this->postParams = $_POST;
 
 	}
 	
@@ -40,6 +43,16 @@ class AppTest{
 				$opt = $this->tokenClass->getOptions($service);
 				return $this->openstack->imagesV2($opt);
 				break;
+			case "Compute":
+				if($this->tokenPost == NULL) $this->tokenClass->genComputeToken();
+				$opt = $this->tokenClass->getOptions($service);
+				return $this->openstack->computeV2($opt);
+				break;
+			case "Network":
+				if($this->tokenPost == NULL) $this->tokenClass->genNetworkToken();
+				$opt = $this->tokenClass->getOptions($service);
+				return $this->openstack->networkingV2($opt);
+				break;
 		}
 		
 	}
@@ -53,10 +66,21 @@ class AppTest{
 			$this->tokenClass->genNetworkToken();
 			
 			$this->setOutput("token", $this->tokenClass->getBackup());
-		}catch(Exception $e){
-			echo $e;
-			exit();
-		}
+		}catch(BadResponseError $e){
+			$this->errorClass->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->errorClass->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->errorClass->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->errorClass->NotImplementedHandler($e);
+        }
+		
+	}
+	
+	public function getPostParam($name){
+		
+		return $this->postParams[$name];
 		
 	}
 	
@@ -67,7 +91,7 @@ class AppTest{
 	}
 	
 	public function show(){
-		echo json_encode($this->output);
+		return json_encode($this->output);
 	}
 	
-}
\ No newline at end of file
+}
diff --git a/server/Test/computeTest.php b/server/Test/computeTest.php
new file mode 100644
index 0000000..3ce1f2e
--- /dev/null
+++ b/server/Test/computeTest.php
@@ -0,0 +1,20 @@
+re '../vendor/autoload.php';
+include('/istic-openstack/server/init.php');
+include_once("../core/Compute.php");
+$compute = new compute($App);
+
+$servers = $compute->listServers();
+
+$servers= $compute->listServers(true);
+foreach($servers as $server){
+        //print_r($server);
+        echo $server->name." ".$server->id."<br>";
+
+//$opt = Array();
+//$opt['name'] = "Test";
+//$serverid = Array("id"=>"69d5bcc4-2fab-4634-b0d2-f455fee5b7bd");
+//$serverid["id"] = "{69d5bcc4-2fab-4634-b0d2-f455fee5b7bd}";
+//unset($server);
+//$server = $compute->getServer($serverid);
+//echo $server->name." ".$server->image;
+//$server->update(array('name' => 'test'));
diff --git a/server/core/App.php b/server/core/App.php
old mode 100644
new mode 100755
index babb3d9..edb75f6
--- a/server/core/App.php
+++ b/server/core/App.php
@@ -33,7 +33,7 @@ class App{
 	public function setToken($token){
 		
 		$this->tokenPost = $token;
-		$this->tokenClass->loadBackup($his->tokenPost);
+		$this->tokenClass->loadBackup($this->tokenPost);
 		
 	}
 	
@@ -50,6 +50,16 @@ class App{
 				$opt = $this->tokenClass->getOptions($service);
 				return $this->openstack->imagesV2($opt);
 				break;
+			case "Network":
+				if($this->tokenPost == NULL) $this->tokenClass->genNetworkToken();
+				$opt = $this->tokenClass->getOptions($service);
+				return $this->openstack->networkingV2($opt);
+				break;
+			case "Compute":
+                                if($this->tokenPost == NULL) $this->tokenClass->genComputeToken();
+                                $opt = $this->tokenClass->getOptions($service);
+                                return $this->openstack->computeV2($opt);
+                                break;
 		}
 		
 	}
@@ -95,6 +105,7 @@ class App{
 	
 	public function show(){
 		echo json_encode($this->output);
+		//error_log(var_dump(json_encode($this->output), true), 0);
 	}
 	
-}
\ No newline at end of file
+}
diff --git a/server/core/Compute.php b/server/core/Compute.php
index 8d1c8b6..a5b8375 100644
--- a/server/core/Compute.php
+++ b/server/core/Compute.php
@@ -1 +1,201 @@
+<?php
+//namespace istic-openstack\Server\core;
+// TODO introduce error-handling based on errors specific to the compute module
+use OpenStack\Common\Error;
+
+class compute 
+{
+        /** @var App $app protected, contains the main app object */
+        protected $app;
+
+        /** @var OpenStack\Identity $libClass protected, contains the library Compute object */
+        protected $libClass;
+
+
+    public function __construct($app)
+    {
+                $this->app = $app;
+                $this->libClass = $app->getLibClass("Compute");
+    }
+	/**
+	* Execute an action
+	*
+	* @param String $action name of another function of this class
+	*
+	* @return void
+	*/
+	public function action($action){
+		
+		 $this->{$action.""}();
+		
+	}
+    	/**
+     	* List servers.
+     	* @return array
+     	*/
+        public function listServers()
+        {
+                $serverList = $this->libClass->listServers(true);
+		$servers = Array();
+		foreach($serverList as $server){
+		$servers[$server->id] = Array();
+		$server->flavor->retrieve();
+		$server->image->retrieve();
+		$servers[$server->id]["id"]  = $server->id;
+		$servers[$server->id]["name"] = $server->name;
+		$servers[$server->id]["imageId"] = $server->image->id; 
+		$servers[$server->id]["flavorId"] = $server->flavor->id; 
+		$servers[$server->id]["status"] = $server->status;
+		$servers[$server->id]["ram"] = $server->flavor->ram;
+		$servers[$server->id]["disk"] = $server->flavor->disk;
+		}
+		$this->app->setOutput("Servers", $servers);
+                return;
+        }
+        /**
+         * List flavors.
+         * @return array
+         */
+        public function listFlavors()
+        {
+                $flavorList = $this->libClass->listFlavors();
+		$flavors = Array();
+		foreach($flavorList as $flavor){
+		$flavors[$flavor->id] = Array();
+		$flavors[$flavor->id]["id"]  = $flavor->id;
+		$flavors[$flavor->id]["name"] = $flavor->name;
+		}
+		$this->app->setOutput("Flavors", $flavors);
+                return;
+        }
+        /**
+         * List images.
+         * @return array
+         */
+        public function listImages()
+        {
+                $imageList = $this->libClass->listImages();
+		$images = Array();
+		foreach($imageList as $image){
+		$images[$image->id] = Array();
+		$images[$image->id]["id"]  = $image->id;
+		$images[$image->id]["name"] = $image->name;
+		}
+		$this->app->setOutput("Images", $images);
+                return;
+        }
+        /**
+         * Create server.
+         * @return array
+         * 
+        public function createServer()
+        {
+
+                $server = $this->libClass->createServer();
+        }
+	*/
+        /**
+         * Get server details.
+         * @return array
+         */
+        public function getServer()
+        {
+		$serverId = $this->app->getPostParam("serverId");
+		$opt = array('id' => $serverId);
+                $server = $this->libClass->getServer($opt);
+		$server->retrieve();
+		$this->app->setOutput("MyServer", $server);
+                return;
+        }
+        /**
+         * Get flavor details.
+         * @return array
+         */
+        public function getFlavor()
+        {
+		$flavorId = $this->app->getPostParam("flavorId");
+		$opt = array('id' => $flavorId);
+                $flavor = $this->libClass->getFlavor($opt);
+		$flavor->retrieve();
+		$this->app->setOutput("MyFlavor", $flavor);
+                return;
+        }
+        /**
+         * Get image details.
+         * @return array
+         */
+        public function getImage()
+        {
+		$imageId = $this->app->getPostParam("imageId");
+		$opt = array('id' => $imageId);
+                $image = $this->libClass->getImage($opt);
+		$image->retrieve();
+		$this->app->setOutput("MyImage", $image);
+                return;
+        }
+        /* working on tests
+
+        public function update()
+        {
+                $image = $this->app->getServer(array $options = []);
+
+        }
+        public function delete()
+        {
+                //TODO
+        }
+        public function changePassword($newPassword)
+        {
+                //TODO
+        }
+        public function reboot($type = Enum::REBOOT_SOFT)
+        {
+                //TODO
+        }
+        public function rebuild(array $options)
+        {
+                //TODO
+        }
+        public function resize($flavorId)
+        {
+                //TODO
+        }
+        public function confirmResize()
+        {
+                //TODO
+        }
+        public function revertResize()
+        {
+                //TODO
+        }
+        public function createImage(array $options)
+        {
+                //TODO
+        }
+        public function listAddresses(array $options = [])
+        {
+                //TODO
+        }
+        public function getMetadata()
+        {
+                //TODO
+        }
+        public function resetMetadata(array $metadata)
+        {
+                //TODO
+        }
+        public function mergeMetadata(array $metadata)
+        {
+                //TODO
+        }
+        public function getMetadataItem($key)
+        {
+                //TODO
+        }
+        public function deleteMetadataItem($key)
+        {
+                //TODO
+        }
+*/
+}
  
diff --git a/server/core/Image.php b/server/core/Image.php
index 3001eea..4025595 100644
--- a/server/core/Image.php
+++ b/server/core/Image.php
@@ -1,7 +1,4 @@
 <?php
-
-//require 'CoreInterface.php';
-
 /**
 * File containing the Image Class.
 *
@@ -12,16 +9,18 @@
 * 
 * @todo Complete the functions with errors detection and finish the descriptions
 */
- 
- 
+use OpenStack\Common\Error\BadResponseError;
+use OpenStack\Common\Error\BaseError;
+use OpenStack\Common\Error\NotImplementedError;
+use OpenStack\Common\Error\UserInputError;
+
 /**
 * Image Class of the back-end application
 *
 * ADD CLASS DESCRIPTION
 *
 */
-class image{ 
-	//implements Core
+class image implements Core{ 
 
 	/** @var App $app protected, contains the main app object */
 	protected $app;
@@ -29,10 +28,6 @@ class image{
 	/** @var OpenStack\Identity $libClass protected, contains the library Identity object */
 	protected $libClass;
 	
-	/** @var array $actions protected, contains the functions which can be call by the front-end */
-	protected $actions = array();
-
-	
 	/**
 	* Image constructor
 	*
@@ -43,12 +38,36 @@ class image{
 	* @return Image
 	*/
 	public function __construct($app){
-		$this->app = $app;
-		$this->libClass = $app->getLibClass("Image");
+		if(!isset($app)){
+			$this->app->setOutput("Error", "Incorrect parameter");
+		}
+		try{
+			$this->app = $app;
+			$this->libClass = $app->getLibClass("Image");
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 
-	
+	/**
+	* Execute an action
+	*
+	* @param String $action name of another function of this class
+	*
+	* @return void
+	*/
+	public function action($action){
+		
+		 $this->{$action.""}();
+		
+	}
 
 	/**
 	* Details about an image
@@ -57,55 +76,96 @@ class image{
 	*	options for the image creation
 	*
 	**/
-	public function create_image(array $opt){
-		// VOIR SI MAUVAIS TYPE
-		$options = Array();
-		if(isset($opt['name'])){ // string, rendre le nom obligatoire, vérifier nom pas déjà pris
-		}
-		else{
-			//ERROR
-		}
-		if(isset($opt['id'])){ // UUID : nnnnnnnn-nnnn-nnnn-nnnn-nnnnnnnnnnnn
-			$options['id'] = $opt['id'];
-		}
-		if(isset($opt['visibility'])){ // public, private
-			$options['visibility'] = $opt['visibility'];
-		}
-		if(isset($opt['tags'])){ // list
-			$options['tags'] = $opt['tags'];
-		}
-		if(isset($opt['containerFormat'])){ // string : ami, ari, aki, bare, ovf, ova, docker
-			$options['containerFormat'] = $opt['containerFormat'];
-		}
-		if(isset($opt['diskFormat'])){ // string : ami, ari, aki, vhd, vmdk, raw, qcow2, vdi, iso
-			$options['diskFormat'] = $opt['diskFormat'];
-		}
-		if(isset($opt['minDisk'])){ //int
-			$options['minDisk'] = $opt['minDisk'];
-		}
-		if(isset($opt['minRam'])){ // int
-			$options['minRam'] = $opt['minRam'];
-		}
-		if(isset($opt['protected'])){ // boolean
-			$options['protected'] = $opt['protected'];
-		}
-		if(isset($opt['properties'])){ // type dict ?
-			$options['properties'] = $opt['properties'];
-		}	
+	private function createImage(array $opt){
 
-		$image = $this->oidentity->createImage($options);
+		if(!isset($opt)){
+			$this->app->setOutput("Error", "Incorrect parameter");
+		}
 
+
+		try{	
+			// VOIR SI MAUVAIS TYPE
+			$options = Array();
+			if(isset($opt['name'])){ // if the image name already exists -> error
+				$imagesList = listImage();
+				if(isset($images)){
+    				foreach($imagesList as $image){
+    					if(strcmp($image->name, $opt['name']) == 0){
+
+    					}
+    				}
+    			}
+
+			}
+			else{
+				$this->app->setOutput("Error", "Image name already exists");
+			}
+			if(isset($opt['id'])){ // UUID : nnnnnnnn-nnnn-nnnn-nnnn-nnnnnnnnnnnn
+				if($this->libClass->getImage($opt['id']) != null){ // if the id already exists -> error
+
+				}
+				$options['id'] = $opt['id'];
+			}
+			if(isset($opt['visibility'])){ // public, private
+				$options['visibility'] = $opt['visibility'];
+			}
+			if(isset($opt['tags'])){ // list
+				$options['tags'] = $opt['tags'];
+			}
+			if(isset($opt['containerFormat'])){ // string : ami, ari, aki, bare, ovf, ova, docker
+				$options['containerFormat'] = $opt['containerFormat'];
+			}
+			if(isset($opt['diskFormat'])){ // string : ami, ari, aki, vhd, vmdk, raw, qcow2, vdi, iso
+				$options['diskFormat'] = $opt['diskFormat'];
+			}
+			if(isset($opt['minDisk'])){ //int
+				$options['minDisk'] = $opt['minDisk'];
+			}
+			if(isset($opt['minRam'])){ // int
+				$options['minRam'] = $opt['minRam'];
+			}
+			if(isset($opt['protected'])){ // boolean
+				$options['protected'] = $opt['protected'];
+			}
+			if(isset($opt['properties'])){ // type dict ?
+				$options['properties'] = $opt['properties'];
+			}	
+
+			$image = $this->libClass->createImage($options);
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 		return $image;
 	}
 
-	/*
-	* List images
+	/**
+	* List the images of the server
+	*
+	* @return the list with all images on the server
 	*/
-	public function list_images(){
-		// vérifier si au moins une image
-		$service = $this->oidentity;
-		$images = $service->listImages();
-		return $images;
+	private function listImage(){
+		try{
+			$l = $this->libClass->listImages();
+			if(!isset($l)){ // if the list is empty there is no images
+				$this->app->setOutput("Error", "No image");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
+		return $l;
+
 	}
 
 	/**
@@ -115,11 +175,27 @@ class image{
 	*	identifier of the image
 	*
 	**/
-	public function image_details($id){
-		//vérifier existence image
-		$service = $this->oidentity;
-		$image = $service->getImage($id);
-		return $image;
+	private function detailsImage($id){
+		if(!isset($id)){
+			// Renvoyer erreur 
+		}
+		try{
+			$service = $this->libClass;
+			$image = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			
+			return $image;
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	/**
@@ -131,33 +207,53 @@ class image{
 	* @param array $opt
 	*	options for the image creation
 	**/
-	public function update_image($id, array $opt){
-		//vérifier existence image
-		$service = $this->oidentity;
-		$image = $service->getImage($id);
-		$options = Array();
+	private function updateImage($id, array $opt){
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect id parameter"); 
+		}
+		if(!isset($opt)){
+			$this->app->setOutput("Error", "Incorrect opt parameter");
+		}
 
-		// Voir vérification des types
-		if(isset($opt['name'])){ //string
-			$options['name'] = $opt['name'];
-		}
-		if(isset($opt['minDisk'])){ //int
-			$options['minDisk'] = $opt['minDisk'];
-		}
-		if(isset($opt['minRam'])){ // int
-			$options['minRam'] = $opt['minRam'];
-		}
-		if(isset($opt['protected'])){ // boolean
-			$options['protected'] = $opt['protected'];
-		}
-		if(isset($opt['visibility'])){ // public, private
-			$options['visibility'] = $opt['visibility'];
-		}
-		if(isset($opt['tags'])){ // list
-			$options['tags'] = $opt['tags'];
-		}
-		$image->update($options);
+		try{
+			//vérifier existence image
+			$service = $this->libClass;
+			$image = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
 
+			$options = Array();
+
+			// Voir vérification des types
+			if(isset($opt['name'])){ //string
+				$options['name'] = $opt['name'];
+			}
+			if(isset($opt['minDisk'])){ //int
+				$options['minDisk'] = $opt['minDisk'];
+			}
+			if(isset($opt['minRam'])){ // int
+				$options['minRam'] = $opt['minRam'];
+			}
+			if(isset($opt['protected'])){ // boolean
+				$options['protected'] = $opt['protected'];
+			}
+			if(isset($opt['visibility'])){ // public, private
+				$options['visibility'] = $opt['visibility'];
+			}
+			if(isset($opt['tags'])){ // list
+				$options['tags'] = $opt['tags'];
+			}
+			$image->update($options);
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 		return $image;
 	}
 
@@ -167,11 +263,30 @@ class image{
 	* @param string $id
 	*	identifier of the image
 	**/
-	public function delete_image($id){
+	private function deleteImage($id){
 		// si protected = true, demander de le mettre a false
 		// vérifier existence image
-		$service = $this->oidentity;
-		$service->getImage($id)->delete();
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Image doesn't exist");
+		}
+
+		try{
+			$service = $this->libClass;
+			$image = $this->libClass->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$image->delete();
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
+		
 	}
 
 	/**
@@ -180,11 +295,27 @@ class image{
 	* @param string $id
 	*	identifier of the image
 	**/
-	public function reactivate_image($id){
-		// vérifier existence image
-		$service = $this->oidentity;
-		$image = $service->getImage($id);
-		$image->reactivate();
+	private function reactivateImage($id){
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter");
+		}
+		try{
+			// vérifier existence image
+			$service = $this->libClass;
+			$image = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$image->reactivate();
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	/**
@@ -193,11 +324,27 @@ class image{
 	* @param string $id
 	*	identifier of the image
 	**/
-	public function desactivate_image($id){
-		// vérifier existence image
-		$service = $this->oidentity;
-		$image = $service->getImage($id);
-		$image->deactivate();
+	private function desactivateImage($id){
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter");
+		}
+		try{
+			// vérifier existence image
+			$service = $this->libClass;
+			$image = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$image->deactivate();
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	/**
@@ -209,12 +356,31 @@ class image{
 	* @param string $file_name
 	*	path of the image
 	**/
-	public function upload_image($id, $file_name){
-		// vérifier existence image
-		$service = $this->oidentity;
-		$image  = $service->getImage($id);
-		$stream = \GuzzleHttp\Psr7\stream_for(fopen($file_name, 'r')); // A VOIR
-		$image->uploadData($stream);
+	private function uploadImage($id, $file_name){
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect id parameter");
+		}
+		if(!isset($file_name)){
+			$this->app->setOutput("Error", "Incorrect file_name parameter");
+		}
+		try{
+			// vérifier existence image
+			$service = $this->libClass;
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$stream = \GuzzleHttp\Psr7\stream_for(fopen($file_name, 'r'));
+			$image->uploadData($stream);
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	/**
@@ -223,12 +389,28 @@ class image{
 	* @param string $id
 	*	identifier of the image
 	**/
-	public function download_image($id){
-		// vérifier existence image 
-		$service = $this->oidentity;
-		$image  = $service->getImage($id);
-		$stream = $image->downloadData();
-		return $stream;
+	private function downloadImage($id){
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter");
+		}
+		try{
+			// vérifier existence image 
+			$service = $this->libClass;
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$stream = $image->downloadData();
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
+        return $stream;
 	}
 
 	/**
@@ -240,12 +422,30 @@ class image{
 	* @param string $member_id
 	*	identifier of the member
 	**/
-	public function add_member($image_id, $member_id){
-		// vérifier existence image
-		// on doit être le proprio de l'image
-		// vérifier membre existe
-		$service = $this->oidentity;		
-		$member_id = $service>getImage($image_id)->addMember($member_id);
+	private function addMemberImage($image_id, $member_id){
+		if(!isset($image_id)){
+			$this->app->setOutput("Error", "Incorrect parameter image_id");
+		}
+		if(!isset($member_id)){
+			$this->app->setOutput("Error", "Incorrect parameter member_id");
+		}
+		try{
+			$service = $this->libClass;	
+
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$member_id = $image->addMember($member_id);
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	
@@ -255,11 +455,33 @@ class image{
 	* @param string $image_id
 	*	identifier of the image
 	**/
-	public function list_member($image_id, $member_id){
-		// vérifier existence image
-		$service = $this->oidentity;
-		$image = $service->getImage($image_id);
-		$members = $image->listMembers();
+	private function listMemberImage($image_id, $member_id){
+		if(!isset($image_id)){
+			$this->app->setOutput("Error", "Incorrect parameter image_id");
+		}
+		if(!isset($member_id)){
+			$this->app->setOutput("Error", "Incorrect parameter member_id"); 
+		}
+		try{
+			// vérifier existence image
+			$service = $this->libClass;
+			$image = $service->getImage($image_id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist"); 
+			}
+			$members = $image->listMembers();
+			if($member == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "No member");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 		return $members;
 	}
 
@@ -272,12 +494,37 @@ class image{
 	* @param string $member_id
 	*	identifier of the member
 	**/
-	public function detail_member($image_id, $member_id){
-		// vérifier existence image
-		// on doit être le proprio de l'image
-		// vérifier membre existe
-		$service = $this->oidentity;		
-		$member = $service>getImage($image_id)->getMember($member_id);
+	private function detailMemberImage($image_id, $member_id){
+		if(!isset($image_id)){
+			$this->app->setOutput("Error", "Incorrect parameter image_id"); 
+		}
+		if(!isset($member_id)){
+			$this->app->setOutput("Error", "Incorrect parameter member_id");
+		}
+		try{
+			// vérifier existence image
+			// on doit être le proprio de l'image
+			// vérifier membre existe
+			$service = $this->libClass;	
+
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+
+			$member = $image->getMember($member_id);
+			if($member == null){ // if the member don't exists -> error
+				$this->app->setOutput("Error", "Member doesn't exist");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 		return $member;
 	}
 	
@@ -290,12 +537,34 @@ class image{
 	* @param string $member_id
 	*	identifier of the member
 	**/
-	public function remove_member($image_id, $member_id){
-		// vérifier existence image
-		// on doit être le proprio de l'image
-		// vérifier membre existe
-		$service = $this->oidentity;		
-		$service>getImage($image_id)->getMember($member_id)->delete();
+	private function removeMemberImage($image_id, $member_id){
+		if(!isset($image_id)){
+			$this->app->setOutput("Error", "Incorrect parameter image_id"); 
+		}
+		if(!isset($member_id)){
+			$this->app->setOutput("Error", "Incorrect parameter member_id");
+		}
+		try{
+			$service = $this->libClass;	
+
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}	
+			$member = $image->getMember($member_id);
+			if($member == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Member doesn't exist");
+			}
+			$member->delete();
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 	/**
@@ -310,13 +579,35 @@ class image{
 	* @param string $status
 	*	new status for the member
 	**/
-	public function update_member($image_id, $member_id, $status){
-		// vérifier existence image
-		// on doit être le proprio de l'image
-		// vérifier membre existe
-		$service = $this->oidentity;		
-		$member = $service>getImage($image_id)->getMember($member_id)->updateStatus($status);
+	private function updateMemberImage($image_id, $member_id, $status){
+		if(!isset($image_id)){
+			$this->app->setOutput("Error", "Incorrect parameter image_id");
+		}
+		if(!isset($member_id)){
+			$this->app->setOutput("Error", "Incorrect parameter member_id");
+		}
+		try{
+			$service = $this->libClass;		
+
+			$image  = $service->getImage($id);
+			if($image == null){ // if the image don't exists -> error
+				$this->app->setOutput("Error", "Image doesn't exist");
+			}
+			$member = $image->getMember($member_id);
+			if($member == null){ // if the member don't exists -> error
+				$this->app->setOutput("Error", "Member doesn't exist");
+			}
+			$member->updateStatus($status);
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance->NotImplementedHandler($e);
+        }
 	}
 
 }
-?> 
+?>
\ No newline at end of file
diff --git a/server/core/LibOverride/genTokenOptions.php b/server/core/LibOverride/genTokenOptions.php
old mode 100644
new mode 100755
index b71defa..50826ed
--- a/server/core/LibOverride/genTokenOptions.php
+++ b/server/core/LibOverride/genTokenOptions.php
@@ -260,13 +260,14 @@ class genTokenOptions
 	public function loadBackup($back){
 		
 		$backup = unserialize($back);
+
 		$this->backup["roles"] = $backup["roles"];
 		$this->backup["project"] = $backup["project"];
 		$this->backup["user"] = $backup["user"];
-		loadComputeBackup($backup["Compute"]);
-		loadIdentityBackup($backup["Identity"]);
-		loadImageBackup($backup["Image"]);
-		loadNetworkBackup($backup["Network"]);
+		$this->loadComputeBackup($backup["Compute"]);
+		$this->loadIdentityBackup($backup["Identity"]);
+		$this->loadImageBackup($backup["Image"]);
+		$this->loadNetworkBackup($backup["Network"]);
 		
 	}
 	
@@ -324,6 +325,7 @@ class genTokenOptions
 	
 	private function unserializeToken($tokenSerialized){
 		$Saved = file_get_contents("core/LibOverride/projectTokenData/".$this->backup["project"]);
+		$Saved = unserialize($Saved);
 		$api = new Api();
 		$token = new Models\Token($this->httpClient, $api);
 		$token->methods = unserialize($tokenSerialized["methods"]);
diff --git a/server/index.php b/server/index.php
index 166e82e..f888671 100644
--- a/server/index.php
+++ b/server/index.php
@@ -27,12 +27,26 @@
 			$identityObject->action($action);
 			$App->show();
 			break;
-			
+		
+		case "network":
+                        include_once("core/Network.php");
+                        $networkObject = new network($App);
+                        $networkObject->action($action);
+                        $App->show();
+                        break;	
+		
 		case "image":
 			include_once("core/Image.php");
 			$imageObject = new image($App);
 			$imageObject->action($action);
 			$App->show();
 			break;
+
+		case "compute":
+			include_once("core/Compute.php");
+			$computeObject = new compute($App);
+			$computeObject->action($action);
+			$App->show();
+			break;
 	}